From 5536f7ad22621d7a7101b8149516307f807c43d6 Mon Sep 17 00:00:00 2001 From: Rob Garrison Date: Sat, 3 Nov 2018 09:37:25 -0500 Subject: [PATCH 1/4] Locales (#532) * Add gitattributes * Add update locales script * Update locales * Remove old script files * Switch to use transifex client app --- .gitattributes | 2 + .github/CONTRIBUTING.md | 24 +++++- .gitignore | 1 + .tx/config | 10 +++ _locales/ar/messages.json | 2 +- _locales/bg/messages.json | 2 +- _locales/bg_BG/messages.json | 2 +- _locales/cs/messages.json | 28 +++++-- _locales/de/messages.json | 22 ++++-- _locales/el/messages.json | 2 +- _locales/en_GB/messages.json | 2 +- _locales/es/messages.json | 14 ++-- _locales/et/messages.json | 14 ++-- _locales/fi/messages.json | 2 +- _locales/fr/messages.json | 14 ++-- _locales/fy/messages.json | 2 +- _locales/gl/messages.json | 52 +++++++++++++ _locales/he/messages.json | 2 +- _locales/hu/messages.json | 124 +++++++++++++++--------------- _locales/it/messages.json | 24 +++--- _locales/ja/messages.json | 22 ++++-- _locales/nl/messages.json | 22 ++++-- _locales/pl/messages.json | 22 ++++-- _locales/pt_BR/messages.json | 2 +- _locales/pt_PT/messages.json | 14 ++-- _locales/ro/messages.json | 14 ++-- _locales/ru/messages.json | 14 ++-- _locales/sr/messages.json | 2 +- _locales/sv/messages.json | 2 +- _locales/te/messages.json | 2 +- _locales/tr/messages.json | 2 +- _locales/zh/messages.json | 2 +- _locales/zh_CN/messages.json | 14 ++-- _locales/zh_TW/messages.json | 24 ++++-- package.json | 9 ++- tools/pull_locales.rb | 45 ----------- tools/pull_locales.sh | 2 - tools/pull_locales_postprocess.py | 45 ----------- 38 files changed, 331 insertions(+), 273 deletions(-) create mode 100644 .gitattributes create mode 100644 .tx/config create mode 100644 _locales/gl/messages.json delete mode 100644 tools/pull_locales.rb delete mode 100644 tools/pull_locales.sh delete mode 100644 tools/pull_locales_postprocess.py diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 00000000..dfe07704 --- /dev/null +++ b/.gitattributes @@ -0,0 +1,2 @@ +# Auto detect text files and perform LF normalization +* text=auto diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md index 666643b7..56afb80b 100644 --- a/.github/CONTRIBUTING.md +++ b/.github/CONTRIBUTING.md @@ -4,7 +4,9 @@ 2. [How to report issues](#how-to-report-issues) 3. [Adding translations](#adding-translations) 4. [Pull requests](#pull-requests) -5. [Contact us](#contact-us) +5. [Scripts](#scripts) +6. [Updating locale files](#updating-locale-files-admin-only) +7. [Contact us](#contact-us) ## Getting involved @@ -32,6 +34,26 @@ You can help us translate the extension on [Transifex](https://www.transifex.com * Make any changes within a branch of this repository (not the `master` branch). * Submit a pull request and include a reference to the initial issue with the discussion. +## Scripts + +* `npm run lint` - Run ESLint on all JavaScript files. +* `npm run update` - Runs update-node & update-main scripts. +* `npm run update-quick` - Updates development dependencies (uses `npm update`; does not include new dependencies). +* `npm run update-locales` (admin only)- Updates locale files from Transifex. See the [updating locale files section](#updating-locale-files-admin-only) for more details. +* `npm run update-main` - Runs update-versions & update-codemirror. +* `npm run update-node` - Update development dependencies, removes & reinstalls `node_modules` folder (slow). +* `npm run update-transifex` (admin only) - Upload `en/messages.json` source to Transifex. +* `npm run update-vendor` - Update codemirror, codemirror themes & other vendor libraries. +* `npm run update-versions` - Update version of `manifest.json` to match `package.json`. +* `npm run zip` - Run update-versions, then compress required files into a zip file. + +## Updating locale files (admin only) + +* Make sure you have the Transifex client installed. Follow the instructions on [this page](https://docs.transifex.com/client/installing-the-client). +* Contact another admin if you need the `.transifexrc` file in the root folder. It includes the API key to use Transifex's API. +* Use `npm run update-locales` in the command line to [update the language files](https://docs.transifex.com/client/pull) in the repo. +* Use `npm run update-transifex` in the command line to [upload the source](https://docs.transifex.com/client/push) `en/messages.json` file to Transifex. + ## Contact us If you prefer a more informal method of getting in touch or starting a conversation, please [join us on Discord](https://discordapp.com/widget?id=379521691774353408) or leave a comment in the [discussion section](https://add0n.com/stylus.html#reviews). We will monitor any discussions there and join in, and it may be a more appropriate venue for opinions and less urgent suggestions. diff --git a/.gitignore b/.gitignore index 8b786b66..657469e8 100644 --- a/.gitignore +++ b/.gitignore @@ -6,3 +6,4 @@ package-lock.json yarn.lock *.zip .eslintcache +.transifexrc diff --git a/.tx/config b/.tx/config new file mode 100644 index 00000000..9eacfc21 --- /dev/null +++ b/.tx/config @@ -0,0 +1,10 @@ +[main] +host = https://www.transifex.com + +[Stylus.messages] +file_filter = _locales//messages.json +minimum_perc = 0 +source_file = _locales/en/messages.json +source_lang = en_US +type = CHROME + diff --git a/_locales/ar/messages.json b/_locales/ar/messages.json index 5e267436..5bdf4ff4 100644 --- a/_locales/ar/messages.json +++ b/_locales/ar/messages.json @@ -160,4 +160,4 @@ "updateCompleted": { "message": "اكتمل التحديث." } -} +} \ No newline at end of file diff --git a/_locales/bg/messages.json b/_locales/bg/messages.json index 622b4a27..f50a29fd 100644 --- a/_locales/bg/messages.json +++ b/_locales/bg/messages.json @@ -575,4 +575,4 @@ "writeStyleForURL": { "message": "този адрес" } -} +} \ No newline at end of file diff --git a/_locales/bg_BG/messages.json b/_locales/bg_BG/messages.json index 54210865..3b8c1b49 100644 --- a/_locales/bg_BG/messages.json +++ b/_locales/bg_BG/messages.json @@ -284,4 +284,4 @@ "manageOnlyUsercss": { "message": "Само Потребителскиcss стилове" } -} +} \ No newline at end of file diff --git a/_locales/cs/messages.json b/_locales/cs/messages.json index 8a6bacaf..1468c3f8 100644 --- a/_locales/cs/messages.json +++ b/_locales/cs/messages.json @@ -258,11 +258,11 @@ "filteredStyles": { "message": "zobrazeno $numShown$ z $numTotal$", "placeholders": { - "numShown": { - "content": "$1" - }, "numTotal": { "content": "$2" + }, + "numShown": { + "content": "$1" } } }, @@ -742,6 +742,9 @@ "styleBeautifyIndentConditional": { "message": "Odsadit @media, @supports" }, + "styleBeautifyPreserveNewlines": { + "message": "Zachovat nové řádky" + }, "styleCancelEditLabel": { "message": "Zpět ke správě" }, @@ -776,14 +779,14 @@ "styleInstallOverwrite": { "message": "Styl „$stylename$“ je již nainstalován. Přepsat?\nVerze: $oldVersion$ → $newVersion$", "placeholders": { + "stylename": { + "content": "$1" + }, "newVersion": { "content": "$3" }, "oldVersion": { "content": "$2" - }, - "stylename": { - "content": "$1" } } }, @@ -798,6 +801,14 @@ } } }, + "styleMetaErrorRangeOrNumber": { + "message": "Neplatná @var $type$: hodnota musí být pole obsahující alespoň jedno číslo na nulové pozici", + "placeholders": { + "type": { + "content": "$1" + } + } + }, "styleMetaErrorPreprocessor": { "message": "Nepodporovaný @preprocessor: $preprocessor$", "placeholders": { @@ -953,6 +964,9 @@ "updatesCurrentlyInstalled": { "message": "Instalované aktualizace:" }, + "usercssAvoidOverwriting": { + "message": "Prosím, změňte hodnotu @name nebo @namespace ať nedojde k přepsání existujícího stylu." + }, "usercssConfigIncomplete": { "message": "Styl byl aktualizován nebo smazán po zobrazení dialogu konfigurace. Tyto proměnné nebyly uloženy aby se předešlo poškození metadat stylu." }, @@ -977,4 +991,4 @@ "writeStyleForURL": { "message": "tuto URL" } -} +} \ No newline at end of file diff --git a/_locales/de/messages.json b/_locales/de/messages.json index 8b318046..e61173a4 100644 --- a/_locales/de/messages.json +++ b/_locales/de/messages.json @@ -246,11 +246,11 @@ "filteredStyles": { "message": "$numShown$ von $numTotal$ gesamt", "placeholders": { - "numShown": { - "content": "$1" - }, "numTotal": { "content": "$2" + }, + "numShown": { + "content": "$1" } } }, @@ -776,14 +776,14 @@ "styleInstallOverwrite": { "message": "\"$stylename$\" ist bereits installiert. Überschreiben?\nVersion: $oldVersion$ -> $newVersion$", "placeholders": { + "stylename": { + "content": "$1" + }, "newVersion": { "content": "$3" }, "oldVersion": { "content": "$2" - }, - "stylename": { - "content": "$1" } } }, @@ -798,6 +798,14 @@ } } }, + "styleMetaErrorRangeOrNumber": { + "message": "@var $type$ ungültig: Wert muss ein Array sein, welches mindestens eine Zahl an Index 0 enthält", + "placeholders": { + "type": { + "content": "$1" + } + } + }, "styleMetaErrorPreprocessor": { "message": "Nicht unterstützter @preprocessor: $preprocessor$", "placeholders": { @@ -980,4 +988,4 @@ "writeStyleForURL": { "message": "diese URL" } -} +} \ No newline at end of file diff --git a/_locales/el/messages.json b/_locales/el/messages.json index 29f66a24..43cb40ed 100644 --- a/_locales/el/messages.json +++ b/_locales/el/messages.json @@ -225,4 +225,4 @@ "writeStyleForURL": { "message": "αυτή την διεύθυνση URL" } -} +} \ No newline at end of file diff --git a/_locales/en_GB/messages.json b/_locales/en_GB/messages.json index 9765b9cc..077986fd 100644 --- a/_locales/en_GB/messages.json +++ b/_locales/en_GB/messages.json @@ -72,4 +72,4 @@ "usercssConfigIncomplete": { "message": "The style was updated or deleted after the configuration dialogue was shown. These variables were not saved to avoid corrupting the style's metadata:" } -} +} \ No newline at end of file diff --git a/_locales/es/messages.json b/_locales/es/messages.json index 0633c7f1..688fc8ba 100644 --- a/_locales/es/messages.json +++ b/_locales/es/messages.json @@ -255,11 +255,11 @@ "filteredStyles": { "message": "$numShown$ mostrados de $numTotal$ en total", "placeholders": { - "numShown": { - "content": "$1" - }, "numTotal": { "content": "$2" + }, + "numShown": { + "content": "$1" } } }, @@ -791,14 +791,14 @@ "styleInstallOverwrite": { "message": "'$stylename$' ya está instalado ¿Sobrescribirlo?\nVersión: $oldVersion$ -> $newVersion$", "placeholders": { + "stylename": { + "content": "$1" + }, "newVersion": { "content": "$3" }, "oldVersion": { "content": "$2" - }, - "stylename": { - "content": "$1" } } }, @@ -998,4 +998,4 @@ "writeStyleForURL": { "message": "este URL" } -} +} \ No newline at end of file diff --git a/_locales/et/messages.json b/_locales/et/messages.json index 13540f79..5056d08e 100644 --- a/_locales/et/messages.json +++ b/_locales/et/messages.json @@ -255,11 +255,11 @@ "filteredStyles": { "message": "$numShown$/$numTotal$ kuvatud", "placeholders": { - "numShown": { - "content": "$1" - }, "numTotal": { "content": "$2" + }, + "numShown": { + "content": "$1" } } }, @@ -794,14 +794,14 @@ "styleInstallOverwrite": { "message": "'$stylename$' on juba paigaldatud. Kas kirjutada üle?\nVersioon: $oldVersion$ -> $newVersion$", "placeholders": { + "stylename": { + "content": "$1" + }, "newVersion": { "content": "$3" }, "oldVersion": { "content": "$2" - }, - "stylename": { - "content": "$1" } } }, @@ -1001,4 +1001,4 @@ "writeStyleForURL": { "message": "see URL" } -} +} \ No newline at end of file diff --git a/_locales/fi/messages.json b/_locales/fi/messages.json index 2a2c3771..33382027 100644 --- a/_locales/fi/messages.json +++ b/_locales/fi/messages.json @@ -172,4 +172,4 @@ "updateCompleted": { "message": "Päivitys suoritettu." } -} +} \ No newline at end of file diff --git a/_locales/fr/messages.json b/_locales/fr/messages.json index a2c712de..ea627a09 100644 --- a/_locales/fr/messages.json +++ b/_locales/fr/messages.json @@ -258,11 +258,11 @@ "filteredStyles": { "message": "$numShown$ montrés sur $numTotal$ au total", "placeholders": { - "numShown": { - "content": "$1" - }, "numTotal": { "content": "$2" + }, + "numShown": { + "content": "$1" } } }, @@ -785,14 +785,14 @@ "styleInstallOverwrite": { "message": "\"$stylename$\" est déjà installé. L'écraser ?\nVersion : $oldVersion$ -> $newVersion$", "placeholders": { + "stylename": { + "content": "$1" + }, "newVersion": { "content": "$3" }, "oldVersion": { "content": "$2" - }, - "stylename": { - "content": "$1" } } }, @@ -989,4 +989,4 @@ "writeStyleForURL": { "message": "cette URL" } -} +} \ No newline at end of file diff --git a/_locales/fy/messages.json b/_locales/fy/messages.json index e186fc6a..774a9b1d 100644 --- a/_locales/fy/messages.json +++ b/_locales/fy/messages.json @@ -94,4 +94,4 @@ "deleteStyleLabel": { "message": "Fuortsmite" } -} +} \ No newline at end of file diff --git a/_locales/gl/messages.json b/_locales/gl/messages.json new file mode 100644 index 00000000..aa311e67 --- /dev/null +++ b/_locales/gl/messages.json @@ -0,0 +1,52 @@ +{ + "addStyleTitle": { + "message": "Engadir Estilo" + }, + "alphaChannel": { + "message": "Opacidade" + }, + "appliesAdd": { + "message": "Engadir" + }, + "appliesDisplay": { + "message": "Aplica a: $applies$", + "placeholders": { + "applies": { + "content": "$1" + } + } + }, + "appliesDisplayTruncatedSuffix": { + "message": "e mais" + }, + "appliesDomainOption": { + "message": "URLs no dominio" + }, + "appliesLabel": { + "message": "Aplica para" + }, + "appliesLineWidgetWarning": { + "message": "Non funciona con CSS minificado" + }, + "appliesRegexpOption": { + "message": "URLs que concorden co regexp" + }, + "appliesRemove": { + "message": "Suprimir" + }, + "appliesSpecify": { + "message": "Especificar" + }, + "appliesToEverything": { + "message": "Todo" + }, + "appliesUrlPrefixOption": { + "message": "URLs que comecen por" + }, + "applyAllUpdates": { + "message": "Aplicar tódalas actualizacións" + }, + "author": { + "message": "Autor" + } +} \ No newline at end of file diff --git a/_locales/he/messages.json b/_locales/he/messages.json index af42eb36..a938de6f 100644 --- a/_locales/he/messages.json +++ b/_locales/he/messages.json @@ -764,4 +764,4 @@ "writeStyleForURL": { "message": "הקישור הנוכחי" } -} +} \ No newline at end of file diff --git a/_locales/hu/messages.json b/_locales/hu/messages.json index 4058066c..9d14e1d1 100644 --- a/_locales/hu/messages.json +++ b/_locales/hu/messages.json @@ -12,7 +12,7 @@ "message": "Hozzáadás" }, "appliesDisplay": { - "message": "A következőre érvényesül:$applies$", + "message": "Érvényes erre:$applies$", "placeholders": { "applies": { "content": "$1" @@ -23,22 +23,22 @@ "message": "és ennél is több" }, "appliesDomainOption": { - "message": "URL-ek a doménon" + "message": "URL-ek a tartományban" }, "appliesHelp": { - "message": "Használd az \"A következőre érvényesül\" részt, hogy korlátozd, milyen URL-ekre vonatkozzon az itt lévő kód!" + "message": "Az \"Érvényes erre\" beállítással korlártozható, hogy milyen URL-ekre vonatkozik az itt lévő kód." }, "appliesLabel": { - "message": "Amire érvényesül" + "message": "Érvényes erre" }, "appliesLineWidgetLabel": { "message": "Információ megjelenítése arról, hogy mire van alkalmazva" }, "appliesLineWidgetWarning": { - "message": "Nem működik minimalizált CSS-szel" + "message": "Nem működik minimalizált CSS-sel" }, "appliesRegexpOption": { - "message": "Reguláris kifejezésekre (regexp) illeszkedő URL-ek" + "message": "Reguláris kifejezésre (regexp) illeszkedő URL-ek" }, "appliesRemove": { "message": "Eltávolítás" @@ -71,7 +71,7 @@ "message": "Stílusok exportálása" }, "checkAllUpdates": { - "message": "Az összes stílus frissítésének ellenőrzése" + "message": "Összes stílus frissítésének ellenőrzése" }, "checkAllUpdatesForce": { "message": "Ellenőrizd újra, nem módosítottam egy stílust sem!" @@ -89,13 +89,13 @@ "message": "Zárójelek és idézőjelek automatikus bezárása" }, "cm_autoCloseBracketsTooltip": { - "message": "Automatikusan legyen hozzáadva záró jelpár a következők gépelésekor: ()[]{}''\"\"" + "message": "Nyitó '([{'zárójel gépelésekor lezáró ')]}' zárójel automatikus hozzáadása" }, "cm_autocompleteOnTyping": { "message": "Automatikus kiegészítés gépeléskor" }, "cm_colorpicker": { - "message": "Színválasztó CSS színekhez" + "message": "Színválasztó CSS-színekhez" }, "cm_indentWithTabs": { "message": "Tabulátorok használata intelligens behúzásra" @@ -107,7 +107,7 @@ "message": "Automatikus sortörés" }, "cm_matchHighlight": { - "message": "Kijelöl" + "message": "Kijelölés" }, "cm_matchHighlightSelection": { "message": "Csak kiválasztás" @@ -125,7 +125,7 @@ "message": "Példák kifejezésekre: .valami-2 #aabbcc 0.32 !important\nAmikor ki van kapcsolva: a központosítással elválasztott szavak ki lesznek jelölve." }, "cm_smartIndent": { - "message": "Intelligens behúzás használata" + "message": "Intelligens behúzás" }, "cm_tabSize": { "message": "Tabulátorméret" @@ -200,7 +200,7 @@ "message": "Tervezd újra a webet a Stylus stíluskezelővel. A Stylus lehetővé teszi a témák és egyéni külsők egyszerű telepítését sok népszerű oldalhoz." }, "disableAllStyles": { - "message": "Az összes stílus kikapcsolása" + "message": "Összes stílus kikapcsolása" }, "disableStyleLabel": { "message": "Letiltás" @@ -255,11 +255,11 @@ "filteredStyles": { "message": "$numShown$ mutatva $numTotal$-ból/-ből", "placeholders": { - "numShown": { - "content": "$1" - }, "numTotal": { "content": "$2" + }, + "numShown": { + "content": "$1" } } }, @@ -321,10 +321,10 @@ "message": "Írj be egy parancsot" }, "helpKeyMapHotkey": { - "message": "Gyorsgomb" + "message": "Gyorsbillentyű" }, "importAppendLabel": { - "message": "Hozzáadás stílushoz" + "message": "Hozzáfűzés stílushoz" }, "importAppendTooltip": { "message": "Az importált stílus hozzáadása a jelenlegi stílushoz" @@ -357,10 +357,10 @@ "message": "metainfó frissítve" }, "importReportTitle": { - "message": "A stílusok importálása befejeződött" + "message": "A stílusok importálása befejeződött." }, "importReportUnchanged": { - "message": "Semmi sem változott." + "message": "Nincs változás." }, "importReportUndone": { "message": "stílusok visszavonva" @@ -384,7 +384,7 @@ "message": "Frissítés telepítése" }, "installUpdateFrom": { - "message": "A stílus most a következő helyről frissül: $url$", + "message": "A stílus jelenleg innen frissül: $url$", "placeholders": { "url": { "content": "$1" @@ -398,7 +398,7 @@ "message": "Licenc" }, "linkGetHelp": { - "message": "Kérj segítséget" + "message": "Segítség kérése" }, "linkGetStyles": { "message": "Szerezz be stílusokat" @@ -426,10 +426,10 @@ } }, "linterConfigTooltip": { - "message": "Kattints ennek a linternek a beállításához" + "message": "Linter beállítása" }, "linterInvalidConfigError": { - "message": "Nincs mentve ezek miatt az érvénytelen beállítások miatt:" + "message": "Nincs mentve a következő érvénytelen beállítások miatt:" }, "linterIssues": { "message": "Problémák" @@ -443,31 +443,31 @@ } }, "linterJSONError": { - "message": "Érvénytelen JSON formátum" + "message": "Érvénytelen JSON-formátum" }, "linterResetMessage": { "message": "Egy véletlen visszaállítás visszavonásához nyomj Ctrl-Z-t (vagy Cmd-Z) a szövegdobozon belül)" }, "linterRulesLink": { - "message": "Lista az összes stílusról" + "message": "Összes szabály listája" }, "liveReloadError": { "message": "Hiba történt a fájl figyelése közben" }, "liveReloadInstallHint": { - "message": "A valós idejű újratöltés engedélyezve van, így a telepített stílus automatikusan frissítve lesz kűlső változtatások során amíg ez a fül és a forrásfájlt tartalmazó fül nyitva van." + "message": "A valós idejű újratöltés engedélyezve van, így a telepített stílus automatikusan frissül külső változások során, amíg ez a fül és a forrásfájlt tartalmazó fül nyitva van." }, "liveReloadLabel": { "message": "Valós idejű újratöltés" }, "manageFavicons": { - "message": "Faviconok az alkalmazási oszlopban" + "message": "Faviconok az 'Érvényes erre' oszlopban" }, "manageFaviconsGray": { - "message": "Szürke mód" + "message": "Megjelenítés szürkítve" }, "manageFaviconsHelp": { - "message": "A Stylus egy külső szolgáltatást használ (https://www.google.com/s2/favicons)" + "message": "A Stylus külső szolgáltatást használ (https://www.google.com/s2/favicons)" }, "manageFilters": { "message": "Szűrők" @@ -476,13 +476,13 @@ "message": "Telepített stílusok" }, "manageMaxTargets": { - "message": "Megjelenítendő célok száma" + "message": "'Érvényes erre' elemek kijelzendő száma" }, "manageNewStyleAsUsercss": { "message": "Usercss-ként" }, "manageNewUI": { - "message": "Az új kezelési felületkiosztás" + "message": "Új kezelői felület" }, "manageOnlyDisabled": { "message": "Csak letiltott stílusok" @@ -497,13 +497,13 @@ "message": "Csak helyileg létrehozott stílusok" }, "manageOnlyLocalTooltip": { - "message": "(a stílusok nem egy userstyles.org oldalon lettek telepítve)" + "message": "(a stílusok nem a userstyles.org egyik oldaláról települtek)" }, "manageOnlyNonUsercss": { "message": "Csak nem Usercss stílusok" }, "manageOnlyUpdates": { - "message": "Csak frissíthetőek vagy problémásak" + "message": "Csak a frissíthetők vagy problémásak" }, "manageOnlyUsercss": { "message": "Csak Usercss stílusok" @@ -524,7 +524,7 @@ "message": "Beállítások" }, "openStylesManager": { - "message": "A frissítéskezelő megnyitása" + "message": "Stíluskezelő megnyitása" }, "optionsActions": { "message": "Műveletek" @@ -533,13 +533,13 @@ "message": "Haladó" }, "optionsAdvancedContextDelete": { - "message": "Delete hozzáadása a gyorsmenühöz" + "message": "'Törlés' parancs a szerkesztő helyi menüjében" }, "optionsAdvancedExposeIframes": { "message": "iframe-ek kitevése HTML[stylus-iframe]-en keresztül" }, "optionsAdvancedExposeIframesNote": { - "message": "Engedélyezi a legfelsőbb szintű domain elérését\nmindegyik iframe-ben. Lehetővé teszi az olyan\niframe-specifikus CSS írását, mint:\nhtml[stylus-iframe$=\"twitter.com\"] h1 { display:none }" + "message": "A legfelsőbb szintű tartomány elérésének engedélyezése\nmindegyik iframe-ben. Lehetővé teszi az olyan\niframe-specifikus CSS írását, mint pl.:\nhtml[stylus-iframe$=\"twitter.com\"] h1 { display:none }" }, "optionsAdvancedNewStyleAsUsercss": { "message": "Új stílus írása usercss-ként" @@ -557,13 +557,13 @@ "message": "Az összes frissítés ellenőrzése és telepítése" }, "optionsCustomizeBadge": { - "message": "Jelvény az eszköztárikonon" + "message": "Ikon képe az eszköztáron" }, "optionsCustomizeIcon": { "message": "Eszköztárikon" }, "optionsCustomizePopup": { - "message": "Felugró" + "message": "Felugró ablak" }, "optionsCustomizeUpdate": { "message": "Frissítések" @@ -587,13 +587,13 @@ "message": "Felugró ablak szélessége (pixelben)" }, "optionsReset": { - "message": "Beállítások visszaállítása alapértelmezett értékekre." + "message": "Beállítások visszaállítása alapértelmezett értékre" }, "optionsResetButton": { - "message": "Beállítások visszaállítása alapra" + "message": "Alapértelmezés visszaállítása" }, "optionsSubheading": { - "message": "Még több beállítás" + "message": "További beállítások" }, "optionsUpdateImportNote": { "message": "Amikor régebbi verzióból vagy a Stylishból importálsz stílusokat, egyszer manuálisan frissítsd a stílusokat a stíluskezelőben, hogy megbizonyosodj afelől, hogy mindegyik frissítve van!" @@ -620,19 +620,19 @@ "message": "A Stylus nem tudta elemezni a usercss-t" }, "popupBorders": { - "message": "Fehér szegélyek használata két oldalt" + "message": "Fehér szegély az oldalakon" }, "popupBordersTooltip": { - "message": "Hasznos az új Chromehoz létrehozott sötét témákhoz, mert nem színezi át az oldalszegélyeket" + "message": "Hasznos az új Chrome sötét témáinál, mert nem színezi át az oldalszegélyeket" }, "popupHotkeysInfo": { "message": "<1>-<9>, <0>, a numpaden is - be-/kikapcsolja az n-nedik stílust (a 0 10-et jelent)\n- az adott betűvel kezdődő első stílust kapcsolja be/ki \n kapcsolgatás helyett megnyitja a szerkesztőt\n listázott stílusokat engedélyez\n listázott stílusokat tilt le\n és <`> (fordított félidézőjel) - kezdeti állapotban engedélyezett stílusokat kapcsol; nem vonatkozik azokra a stílusokra, amiket később engedélyeztél, mialatt a felugró ablakocska nyitva volt, hogy vissza tudd állítani a kezdeti kiválasztást tesztelés után: egyszerűen tilts le mindent, majd pl. vagy \nTovábbi információ a wikiben" }, "popupHotkeysTooltip": { - "message": "Kattints az elérhető gyorsbillentyűk megtekintéséhez" + "message": "Elérhető gyorsbillentyűk megtekintése" }, "popupManageTooltip": { - "message": "Shift-kattintás vagy jobb kattintás megnyitja a stíluskezelőt a jelenlegi oldalra érvényesülő stílusokkal" + "message": "Shift+kattintás vagy jobb kattintás: a stíluskezelő megnyitása a jelenlegi oldalra érvényes stílusokkal" }, "popupOpenEditInWindow": { "message": "Szerkesztő megnyitása új ablakban" @@ -641,7 +641,7 @@ "message": "A fül a böngésző ablakától történő leválasztásával is engedélyezhető, és letiltható a fül egy másik ablakhoz való hozzácsatolásával." }, "popupStylesFirst": { - "message": "Parancsok előtti stílusok" + "message": "Stílusnevek a parancsok előtt" }, "prefShowBadge": { "message": "A jelenlegi oldalon aktív stílusok száma" @@ -722,28 +722,28 @@ "message": "Gyorsbillentyűk megadása" }, "sortDateNewestFirst": { - "message": "a legújabb elöl" + "message": "újabb elöl" }, "sortDateOldestFirst": { - "message": "a legrégebbi elöl" + "message": "régebbi elöl" }, "sortLabel": { - "message": "Válaszd ki, hogyan szeretnéd sorba rendezni a telepített stílusokat" + "message": "Telepített stílusok sorbarendezésének módja" }, "sortLabelTitleAsc": { - "message": "Cím növekvő sorrendben" + "message": "Cím - növekvő sorrend" }, "sortLabelTitleDesc": { - "message": "Cím csökkenő sorrendben" + "message": "Cím - csökkenő sorrend" }, "sortStylesHelp": { - "message": "A legördülő menüben válaszd ki, hogyan szeretnéd sorba rendezni a telepített bejegyzéseket. Az alapértelmezett beállítás növekvő sorrend (A-tól Z-ig) a bejegyzések címei szerint. A „Cím csökkenő sorrendben” csoportban megadott rendezési módok csökkenő sorrendet (Z-től A-ig) alkalmaznak a címre.\nMás beállítások azt is lehetővé teszik, hogy több szempont alapján rendezd a bejegyzéseket. Elképzelheted ezt úgy, mint egy többoszlopos rendezési táblázatot, amelyben minden egyes (a plusz jelek között) kiválasztott kategória egy oszlopot vagy egy csoportot jelképez.\nPéldául ha az van beállítva, hogy „Engedélyezve (első) + Cím”, az engedélyezett bejegyzések kerülnek a lista tetejére, aztán az engedélyezett és a letiltott bejegyzések címei külön-külön növekvő sorrendbe A-tól Z-ig) vannak rendezve." + "message": "A legördülő menüben válaszhatjuk ki, hogyan szeretnénk sorbarendezni a telepített stílusok bejegyzéseit. Az alapértelmezett beállítás a bejegyzések címei szerinti növekvő (A-tól Z-ig) sorrend. A „Cím - csökkenő sorrend” csoportban megadott rendezési módok csökkenő (Z-től A-ig) sorrendben rendezik a címeket.\nEgyéb beállításokkal több szempont alapján is rendezhetők a bejegyzések. Tekintsünk erre úgy, mint egy többoszlopos, rendezhető táblázatra, amelyben minden egyes (a plusz jelek között) kiválasztott kategória egy oszlopot vagy egy csoportot jelképez.\nPéldául, ha az van beállítva, hogy „Engedélyezve (első) + Cím”, az engedélyezett bejegyzések kerülnek a lista tetejére, majd az engedélyezett és a letiltott bejegyzések címei külön-külön, növekvő (A-tól Z-ig) sorrendben jelennek meg." }, "sortStylesHelpTitle": { "message": "Tartalom rendezése" }, "styleBadRegexp": { - "message": "Érvénytelen regexp." + "message": "Érvénytelen reguláris kifejezés." }, "styleBeautify": { "message": "Csinosít" @@ -788,14 +788,14 @@ "styleInstallOverwrite": { "message": "„$stylename$” már telepítve van. Felülírod?\nVerzió: $oldVersion$ -> $newVersion$", "placeholders": { + "stylename": { + "content": "$1" + }, "newVersion": { "content": "$3" }, "oldVersion": { "content": "$2" - }, - "stylename": { - "content": "$1" } } }, @@ -833,28 +833,28 @@ "message": "Írj be egy nevet!" }, "styleMozillaFormatHeading": { - "message": "Mozilla formátum" + "message": "Mozilla-formátum" }, "styleNotAppliedRegexpProblemTooltip": { "message": "A stílus nem lett alkalmazva a „regexp()” helytelen használata miatt" }, "styleRegexpInvalidExplanation": { - "message": "Egyes „regexp()” szabályokat nem lehetett lefordítani." + "message": "Néhány „regexp()” szabály nem lefordítható." }, "styleRegexpPartialExplanation": { - "message": "Ez a stílus olyan részlegesen illeszkedő reguláris kifejezéseket használ, melyek sértik aCSS4@dokumentumspecifikációt, mely szerint egy teljes URL-illeszkedésre van szükség. Az érintett CSS-szekciók nem kerültek alkalmazásra az oldalon. Ez a stílus valószínűleg a Stylish Chrome-kiegészítőben lett létrehozva, amely helytelenül ellenőrzi a „regexp()” szabályokat az első verziótól fogva (ismert hiba)." + "message": "A stílus olyan részlegesen illeszkedő reguláris kifejezéseket használ, amelyek sértik aCSS4@dokumentumspecifikációt, amely megköveteli az URL teljes illeszkedését. Az érintett CSS-szekciók nem kerültek alkalmazásra az oldalon. A stílus valószínűleg a Stylish-for-Chrome kiegészítőben készült, amely helytelenül ellenőrzi a „regexp()” szabályokat a legelső verziótól fogva (ismert hiba)." }, "styleRegexpProblemTooltip": { "message": "A nem alkalmazott szeckiók száma helytelen 'regexp()' használat miatt" }, "styleRegexpTestButton": { - "message": "RegExp teszt" + "message": "RegExp tesztelése" }, "styleRegexpTestFull": { "message": "Illeszkedő fülek" }, "styleRegexpTestInvalid": { - "message": "Kihagyott érvénytelen reguláris kifejezések" + "message": "Kihagyott, érvénytelen reguláris kifejezések" }, "styleRegexpTestNone": { "message": "Nincs illeszkedő fül" @@ -995,4 +995,4 @@ "writeStyleForURL": { "message": "ehhez az URL-hez" } -} +} \ No newline at end of file diff --git a/_locales/it/messages.json b/_locales/it/messages.json index 40b9e669..e3716baa 100644 --- a/_locales/it/messages.json +++ b/_locales/it/messages.json @@ -79,6 +79,9 @@ "clickToUninstall": { "message": "Clica per disinstallare" }, + "cm_autoCloseBrackets": { + "message": "Chiudi automaticamente parentesi e virgolette" + }, "cm_autocompleteOnTyping": { "message": "Completamento automatico durante digitazione" }, @@ -86,7 +89,7 @@ "message": "Selezionatore colore per colori CSS" }, "cm_indentWithTabs": { - "message": "Usa schede con indentazione intellingente" + "message": "Usa tabulazioni con indentazione intellingente" }, "cm_keyMap": { "message": "Mappa caratteri" @@ -101,7 +104,7 @@ "message": "Usa indentazione intelligente" }, "cm_tabSize": { - "message": "Dimensione scheda" + "message": "Dimensione tabulazione" }, "cm_theme": { "message": "Tema" @@ -207,11 +210,11 @@ "filteredStyles": { "message": "$numShown$ mostrati di $numTotal$ totali", "placeholders": { - "numShown": { - "content": "$1" - }, "numTotal": { "content": "$2" + }, + "numShown": { + "content": "$1" } } }, @@ -523,6 +526,9 @@ "search": { "message": "Cerca" }, + "searchNumberOfResults": { + "message": "Numero di occorrenze" + }, "searchResultInstallCount": { "message": "Installazioni totali" }, @@ -611,14 +617,14 @@ "styleInstallOverwrite": { "message": "'$stylename$' è già installato. Vuoi sovrascriverlo?\nVersione: $oldVersion$ -> $newVersion$", "placeholders": { + "stylename": { + "content": "$1" + }, "newVersion": { "content": "$3" }, "oldVersion": { "content": "$2" - }, - "stylename": { - "content": "$1" } } }, @@ -727,4 +733,4 @@ "writeStyleForURL": { "message": "questo URL" } -} +} \ No newline at end of file diff --git a/_locales/ja/messages.json b/_locales/ja/messages.json index 5a6c4c6c..75970981 100644 --- a/_locales/ja/messages.json +++ b/_locales/ja/messages.json @@ -255,11 +255,11 @@ "filteredStyles": { "message": "$numTotal$ 件中の $numShown$ 件を表示", "placeholders": { - "numShown": { - "content": "$1" - }, "numTotal": { "content": "$2" + }, + "numShown": { + "content": "$1" } } }, @@ -797,14 +797,14 @@ "styleInstallOverwrite": { "message": "「$stylename$」はすでにインストール済みです。上書きしますか？\nバージョン: $oldVersion$ -> $newVersion$", "placeholders": { + "stylename": { + "content": "$1" + }, "newVersion": { "content": "$3" }, "oldVersion": { "content": "$2" - }, - "stylename": { - "content": "$1" } } }, @@ -819,6 +819,14 @@ } } }, + "styleMetaErrorRangeOrNumber": { + "message": "不正な @var $type$: 最低でも1個の数値を持つ配列である必要があります", + "placeholders": { + "type": { + "content": "$1" + } + } + }, "styleMetaErrorPreprocessor": { "message": "未サポートの @preprocessor: $preprocessor$", "placeholders": { @@ -1001,4 +1009,4 @@ "writeStyleForURL": { "message": "このURL" } -} +} \ No newline at end of file diff --git a/_locales/nl/messages.json b/_locales/nl/messages.json index b9787607..ecda9ad5 100644 --- a/_locales/nl/messages.json +++ b/_locales/nl/messages.json @@ -255,11 +255,11 @@ "filteredStyles": { "message": "$numShown$ van de $numTotal$ getoond", "placeholders": { - "numShown": { - "content": "$1" - }, "numTotal": { "content": "$2" + }, + "numShown": { + "content": "$1" } } }, @@ -782,14 +782,14 @@ "styleInstallOverwrite": { "message": "‘$stylename$’ is al geïnstalleerd. Overschrijven?\nVersie: $oldVersion$ -> $newVersion$", "placeholders": { + "stylename": { + "content": "$1" + }, "newVersion": { "content": "$3" }, "oldVersion": { "content": "$2" - }, - "stylename": { - "content": "$1" } } }, @@ -804,6 +804,14 @@ } } }, + "styleMetaErrorRangeOrNumber": { + "message": "Ongeldige @var $type$: de waarde moet een reeks zijn die minimaal één getal bevat bij index nul", + "placeholders": { + "type": { + "content": "$1" + } + } + }, "styleMetaErrorPreprocessor": { "message": "Niet-ondersteunde @preprocessor: $preprocessor$", "placeholders": { @@ -989,4 +997,4 @@ "writeStyleForURL": { "message": "deze URL" } -} +} \ No newline at end of file diff --git a/_locales/pl/messages.json b/_locales/pl/messages.json index 867f11d2..b664b88b 100644 --- a/_locales/pl/messages.json +++ b/_locales/pl/messages.json @@ -261,11 +261,11 @@ "filteredStyles": { "message": "Pokazano $numShown$ z sumy $numTotal$", "placeholders": { - "numShown": { - "content": "$1" - }, "numTotal": { "content": "$2" + }, + "numShown": { + "content": "$1" } } }, @@ -800,14 +800,14 @@ "styleInstallOverwrite": { "message": "'$stylename$' jest już zainstalowany. Zastąpić?\nWersja: $oldVersion$ -> $newVersion$", "placeholders": { + "stylename": { + "content": "$1" + }, "newVersion": { "content": "$3" }, "oldVersion": { "content": "$2" - }, - "stylename": { - "content": "$1" } } }, @@ -822,6 +822,14 @@ } } }, + "styleMetaErrorRangeOrNumber": { + "message": "Nieprawidłowa wartość @var $type$: musi być tablicą zawierającą co najmniej jedną liczbę w punkcie zerowym", + "placeholders": { + "type": { + "content": "$1" + } + } + }, "styleMetaErrorPreprocessor": { "message": "Nieobsługiwany @preprocessor: $preprocessor$", "placeholders": { @@ -1007,4 +1015,4 @@ "writeStyleForURL": { "message": "tego adresu URL" } -} +} \ No newline at end of file diff --git a/_locales/pt_BR/messages.json b/_locales/pt_BR/messages.json index 658254a9..7c5b2ff4 100644 --- a/_locales/pt_BR/messages.json +++ b/_locales/pt_BR/messages.json @@ -271,4 +271,4 @@ "writeStyleForURL": { "message": "esse URL" } -} +} \ No newline at end of file diff --git a/_locales/pt_PT/messages.json b/_locales/pt_PT/messages.json index bd6ef471..42277521 100644 --- a/_locales/pt_PT/messages.json +++ b/_locales/pt_PT/messages.json @@ -249,11 +249,11 @@ "filteredStyles": { "message": "$numShown$ apresentado(s) de $numTotal$total", "placeholders": { - "numShown": { - "content": "$1" - }, "numTotal": { "content": "$2" + }, + "numShown": { + "content": "$1" } } }, @@ -782,14 +782,14 @@ "styleInstallOverwrite": { "message": "$stylename$já está instalado. Substituir?\nVersão:$oldVersion$-> $newVersion$", "placeholders": { + "stylename": { + "content": "$1" + }, "newVersion": { "content": "$3" }, "oldVersion": { "content": "$2" - }, - "stylename": { - "content": "$1" } } }, @@ -989,4 +989,4 @@ "writeStyleForURL": { "message": "este URL" } -} +} \ No newline at end of file diff --git a/_locales/ro/messages.json b/_locales/ro/messages.json index 25923945..200cbd6e 100644 --- a/_locales/ro/messages.json +++ b/_locales/ro/messages.json @@ -222,11 +222,11 @@ "filteredStyles": { "message": "$numShown$ vizualizabile din $numTotal$ ", "placeholders": { - "numShown": { - "content": "$1" - }, "numTotal": { "content": "$2" + }, + "numShown": { + "content": "$1" } } }, @@ -725,14 +725,14 @@ "styleInstallOverwrite": { "message": "'$stylename$' este deja instalată. Scrieți peste?\nVersiune: $oldVersion$ -> $newVersion$", "placeholders": { + "stylename": { + "content": "$1" + }, "newVersion": { "content": "$3" }, "oldVersion": { "content": "$2" - }, - "stylename": { - "content": "$1" } } }, @@ -926,4 +926,4 @@ "writeStyleForURL": { "message": "acest URL" } -} +} \ No newline at end of file diff --git a/_locales/ru/messages.json b/_locales/ru/messages.json index 69e0f81a..26357fdd 100644 --- a/_locales/ru/messages.json +++ b/_locales/ru/messages.json @@ -261,11 +261,11 @@ "filteredStyles": { "message": "найдено $numShown$ из $numTotal$всего", "placeholders": { - "numShown": { - "content": "$1" - }, "numTotal": { "content": "$2" + }, + "numShown": { + "content": "$1" } } }, @@ -803,14 +803,14 @@ "styleInstallOverwrite": { "message": "'$stylename$' уже установлен. Обновить?\nВерсии: $oldVersion$ -> $newVersion$", "placeholders": { + "stylename": { + "content": "$1" + }, "newVersion": { "content": "$3" }, "oldVersion": { "content": "$2" - }, - "stylename": { - "content": "$1" } } }, @@ -1010,4 +1010,4 @@ "writeStyleForURL": { "message": "этого адреса" } -} +} \ No newline at end of file diff --git a/_locales/sr/messages.json b/_locales/sr/messages.json index 883cd278..5ab59114 100644 --- a/_locales/sr/messages.json +++ b/_locales/sr/messages.json @@ -320,4 +320,4 @@ "writeStyleForURL": { "message": "ову УРЛ адресу" } -} +} \ No newline at end of file diff --git a/_locales/sv/messages.json b/_locales/sv/messages.json index 2a3ae884..d63eb70b 100644 --- a/_locales/sv/messages.json +++ b/_locales/sv/messages.json @@ -402,4 +402,4 @@ "writeStyleForURL": { "message": "denna URL" } -} +} \ No newline at end of file diff --git a/_locales/te/messages.json b/_locales/te/messages.json index 5a43de68..7c7c3d91 100644 --- a/_locales/te/messages.json +++ b/_locales/te/messages.json @@ -52,4 +52,4 @@ "styleSectionsTitle": { "message": "విభాగాలు" } -} +} \ No newline at end of file diff --git a/_locales/tr/messages.json b/_locales/tr/messages.json index 35cda391..0609d3ed 100644 --- a/_locales/tr/messages.json +++ b/_locales/tr/messages.json @@ -157,4 +157,4 @@ "updateCompleted": { "message": "Güncelleme tamamlandı." } -} +} \ No newline at end of file diff --git a/_locales/zh/messages.json b/_locales/zh/messages.json index 0180fdee..5ccd56c6 100644 --- a/_locales/zh/messages.json +++ b/_locales/zh/messages.json @@ -168,4 +168,4 @@ "updateCompleted": { "message": "更新完成." } -} +} \ No newline at end of file diff --git a/_locales/zh_CN/messages.json b/_locales/zh_CN/messages.json index 94eabd6f..2ffeac3b 100644 --- a/_locales/zh_CN/messages.json +++ b/_locales/zh_CN/messages.json @@ -255,11 +255,11 @@ "filteredStyles": { "message": "已显示 $numShown$ 个，总共 $numTotal$ 个", "placeholders": { - "numShown": { - "content": "$1" - }, "numTotal": { "content": "$2" + }, + "numShown": { + "content": "$1" } } }, @@ -776,14 +776,14 @@ "styleInstallOverwrite": { "message": "'$stylename$' 已经安装，要覆盖吗？\n版本： $oldVersion$ -> $newVersion$", "placeholders": { + "stylename": { + "content": "$1" + }, "newVersion": { "content": "$3" }, "oldVersion": { "content": "$2" - }, - "stylename": { - "content": "$1" } } }, @@ -980,4 +980,4 @@ "writeStyleForURL": { "message": "这个URL" } -} +} \ No newline at end of file diff --git a/_locales/zh_TW/messages.json b/_locales/zh_TW/messages.json index 1b7b26dd..1671b36c 100644 --- a/_locales/zh_TW/messages.json +++ b/_locales/zh_TW/messages.json @@ -206,7 +206,7 @@ "message": "用Stylus（一個用戶樣式管理器）重塑網頁。 Stylus 讓你能為诸多主流網站輕鬆的安裝主題和皮膚。" }, "disableAllStyles": { - "message": "禁用所有樣式" + "message": "停用所有樣式" }, "disableStyleLabel": { "message": "停用" @@ -261,11 +261,11 @@ "filteredStyles": { "message": "$numShown$ 個已顯示，總共 $numTotal$ 個", "placeholders": { - "numShown": { - "content": "$1" - }, "numTotal": { "content": "$2" + }, + "numShown": { + "content": "$1" } } }, @@ -800,14 +800,14 @@ "styleInstallOverwrite": { "message": "「$stylename$」已安裝。要覆寫嗎？\n版本：$oldVersion$→$newVersion$", "placeholders": { + "stylename": { + "content": "$1" + }, "newVersion": { "content": "$3" }, "oldVersion": { "content": "$2" - }, - "stylename": { - "content": "$1" } } }, @@ -822,6 +822,14 @@ } } }, + "styleMetaErrorRangeOrNumber": { + "message": "無效的 @var $type$：值必須為在索引零處包含至少一個數字的陣列", + "placeholders": { + "type": { + "content": "$1" + } + } + }, "styleMetaErrorPreprocessor": { "message": "不支援的 @preprocessor：$preprocessor$", "placeholders": { @@ -1007,4 +1015,4 @@ "writeStyleForURL": { "message": "此網址" } -} +} \ No newline at end of file diff --git a/package.json b/package.json index 1f519203..3b464adb 100644 --- a/package.json +++ b/package.json @@ -17,15 +17,18 @@ "semver-bundle": "^0.1.1", "stylelint-bundle": "^8.0.0", "stylus-lang-bundle": "^0.54.5", - "updates": "^4.2.1" + "updates": "^4.2.1", + "webext-tx-fix": "^0.3.1" }, "scripts": { "lint": "eslint **/*.js --cache || exit 0", "update": "npm run update-node && npm run update-main", "update-quick": "updates -u && npm update && npm run update-main", - "update-main": "npm run update-versions && npm run update-codemirror", + "update-locales": "tx pull --all && webext-tx-fix", + "update-main": "npm run update-versions && npm run update-vendor", "update-node": "updates -u && node tools/remove-modules.js && npm install", - "update-codemirror": "node tools/update-libraries.js && node tools/update-codemirror-themes.js", + "update-transifex": "tx push -s", + "update-vendor": "node tools/update-libraries.js && node tools/update-codemirror-themes.js", "update-versions": "node tools/update-versions", "zip": "npm run update-versions && node tools/zip.js" } diff --git a/tools/pull_locales.rb b/tools/pull_locales.rb deleted file mode 100644 index 23ff1225..00000000 --- a/tools/pull_locales.rb +++ /dev/null @@ -1,45 +0,0 @@ -# Install transifex-ruby - https://rubygems.org/gems/transifex-ruby -# -# Create a file called pull_locales_login.rb. -# Contents should be: -# -# Transifex.configure do |config| -# config.username = 'transifex.username' -# config.password = 'transifex.password' -# end -# -# Update require_relative to point to this file. - -require 'transifex' -require 'fileutils' -require_relative '../stylish-chrome-bin/pull_locales_login' - -project_slug = 'stylish-for-chrome' - -transifex = Transifex::Client.new -project = transifex.project(project_slug) - -project.languages.each do |language| - code = language.language_code - puts "Getting locale #{code}" - dir_name = "../_locales/#{code}" - Dir.mkdir(dir_name) if !Dir.exist?(dir_name) - has_content = false - project.resources.each do |resource| - c = resource.translation(code).content - file_name = "#{dir_name}/#{resource.name}" - begin - completed = resource.stats(code).completed - rescue Transifex::NotFound - puts "#{code} not found." - next - end - has_content ||= completed != "0%" - puts "Writing resource #{file_name}, #{completed} complete." - File.open(file_name, 'w') { |file| file.write(c) } - end - if !has_content - puts "Locale #{code} has no content, deleting." - FileUtils.rm_rf(dir_name) - end -end diff --git a/tools/pull_locales.sh b/tools/pull_locales.sh deleted file mode 100644 index a53ccee3..00000000 --- a/tools/pull_locales.sh +++ /dev/null @@ -1,2 +0,0 @@ -ruby pull_locales.rb -python pull_locales_postprocess.py diff --git a/tools/pull_locales_postprocess.py b/tools/pull_locales_postprocess.py deleted file mode 100644 index a4cdb6c2..00000000 --- a/tools/pull_locales_postprocess.py +++ /dev/null @@ -1,45 +0,0 @@ -#! python2 -import io, os, json, re -from collections import OrderedDict - -with io.open('../_locales/en/messages.json', 'r', encoding='utf-8') as f: - items = json.load(f).items() - english = [(k, v['message']) for k, v in items if 'message' in v] - english_placeholders = [(k, v['placeholders']) for k,v in items - if 'placeholders' in v] - -for locale_name in os.listdir('../_locales'): - if locale_name == 'en': - continue - if not re.match(r'^\w{2}(_\w{2,3})?$', locale_name): - print('Skipped %s: not a locale dir' % locale_name) - continue - loc_path = '../_locales/' + locale_name + '/messages.json' - with io.open(loc_path, 'r+', encoding='utf-8') as f: - loc = json.load(f, object_pairs_hook=OrderedDict) - - deduplicated = 0 - for msgId, message in english: - if msgId in loc and loc[msgId].get('message', '') == message: - del loc[msgId] - deduplicated += 1 - - changed = 0 - for msgId, placeholder in english_placeholders: - if msgId in loc and cmp(placeholder, loc[msgId].get('placeholders', None)) != 0: - loc[msgId]['placeholders'] = placeholder - changed += 1 - - if deduplicated > 0 or changed > 0: - f.seek(0) - json_str = json.dumps(loc, indent=1, ensure_ascii=False, - separators=(',', ': '), encoding='utf-8') - json_tabs = re.sub(r'^\s+', lambda s: s.group(0).replace(' ', '\t'), - json_str, flags=re.MULTILINE) - f.write(json_tabs) - f.truncate() - print('%s: %d deduplicated%s' % ( - locale_name, - deduplicated, - ', %d placeholder(s) added' % changed if changed else '' - )) From 14144c287cf318b478b9a668048cec231b39af31 Mon Sep 17 00:00:00 2001 From: Rob Garrison Date: Sat, 3 Nov 2018 12:12:02 -0500 Subject: [PATCH 2/4] Update dev dependencies & CodeMirror --- package.json | 6 +- vendor/codemirror/README.md | 2 +- vendor/codemirror/addon/fold/brace-fold.js | 2 +- vendor/codemirror/keymap/vim.js | 113 +- vendor/codemirror/lib/codemirror.js | 18660 ++++++++-------- vendor/codemirror/mode/css/css.js | 2 +- .../codemirror/mode/javascript/javascript.js | 5 +- vendor/codemirror/theme/gruvbox-dark.css | 9 +- 8 files changed, 9428 insertions(+), 9371 deletions(-) diff --git a/package.json b/package.json index 3b464adb..11141f0c 100644 --- a/package.json +++ b/package.json @@ -7,8 +7,8 @@ "author": "Stylus Team", "devDependencies": { "archiver": "^3.0.0", - "codemirror": "^5.40.0", - "eslint": "^5.4.0", + "codemirror": "^5.41.0", + "eslint": "^5.8.0", "fs-extra": "^7.0.0", "jsonlint": "^1.6.3", "less": "^3.8.1", @@ -17,7 +17,7 @@ "semver-bundle": "^0.1.1", "stylelint-bundle": "^8.0.0", "stylus-lang-bundle": "^0.54.5", - "updates": "^4.2.1", + "updates": "^5.1.2", "webext-tx-fix": "^0.3.1" }, "scripts": { diff --git a/vendor/codemirror/README.md b/vendor/codemirror/README.md index f526c657..93aa746c 100644 --- a/vendor/codemirror/README.md +++ b/vendor/codemirror/README.md @@ -1,3 +1,3 @@ -## CodeMirror v5.40.0 +## CodeMirror v5.41.0 Only files & folders that exist in the `vendor/codemirror` folder are copied from the `node_modules/codemirror` folder. Except all theme files are copied, in case new themes have been added. diff --git a/vendor/codemirror/addon/fold/brace-fold.js b/vendor/codemirror/addon/fold/brace-fold.js index c420c02a..654d1fb6 100644 --- a/vendor/codemirror/addon/fold/brace-fold.js +++ b/vendor/codemirror/addon/fold/brace-fold.js @@ -54,7 +54,7 @@ CodeMirror.registerHelper("fold", "brace", function(cm, start) { ++pos; } } - if (end == null || line == end && endCh == startCh) return; + if (end == null || line == end) return; return {from: CodeMirror.Pos(line, startCh), to: CodeMirror.Pos(end, endCh)}; }); diff --git a/vendor/codemirror/keymap/vim.js b/vendor/codemirror/keymap/vim.js index b03c1393..a734026d 100644 --- a/vendor/codemirror/keymap/vim.js +++ b/vendor/codemirror/keymap/vim.js @@ -3,7 +3,7 @@ /** * Supported keybindings: - * Too many to list. Refer to defaultKeyMap below. + * Too many to list. Refer to defaultKeymap below. * * Supported Ex commands: * Refer to defaultExCommandMap below. @@ -207,6 +207,7 @@ // Ex command { keys: ':', type: 'ex' } ]; + var defaultKeymapLength = defaultKeymap.length; /** * Ex commands @@ -742,6 +743,78 @@ unmap: function(lhs, ctx) { exCommandDispatcher.unmap(lhs, ctx); }, + // Non-recursive map function. + // NOTE: This will not create mappings to key maps that aren't present + // in the default key map. See TODO at bottom of function. + noremap: function(lhs, rhs, ctx) { + function toCtxArray(ctx) { + return ctx ? [ctx] : ['normal', 'insert', 'visual']; + } + var ctxsToMap = toCtxArray(ctx); + // Look through all actual defaults to find a map candidate. + var actualLength = defaultKeymap.length, origLength = defaultKeymapLength; + for (var i = actualLength - origLength; + i < actualLength && ctxsToMap.length; + i++) { + var mapping = defaultKeymap[i]; + // Omit mappings that operate in the wrong context(s) and those of invalid type. + if (mapping.keys == rhs && + (!ctx || !mapping.context || mapping.context === ctx) && + mapping.type.substr(0, 2) !== 'ex' && + mapping.type.substr(0, 3) !== 'key') { + // Make a shallow copy of the original keymap entry. + var newMapping = {}; + for (var key in mapping) { + newMapping[key] = mapping[key]; + } + // Modify it point to the new mapping with the proper context. + newMapping.keys = lhs; + if (ctx && !newMapping.context) { + newMapping.context = ctx; + } + // Add it to the keymap with a higher priority than the original. + this._mapCommand(newMapping); + // Record the mapped contexts as complete. + var mappedCtxs = toCtxArray(mapping.context); + ctxsToMap = ctxsToMap.filter(function(el) { return mappedCtxs.indexOf(el) === -1; }); + } + } + // TODO: Create non-recursive keyToKey mappings for the unmapped contexts once those exist. + }, + // Remove all user-defined mappings for the provided context. + mapclear: function(ctx) { + // Partition the existing keymap into user-defined and true defaults. + var actualLength = defaultKeymap.length, + origLength = defaultKeymapLength; + var userKeymap = defaultKeymap.slice(0, actualLength - origLength); + defaultKeymap = defaultKeymap.slice(actualLength - origLength); + if (ctx) { + // If a specific context is being cleared, we need to keep mappings + // from all other contexts. + for (var i = userKeymap.length - 1; i >= 0; i--) { + var mapping = userKeymap[i]; + if (ctx !== mapping.context) { + if (mapping.context) { + this._mapCommand(mapping); + } else { + // `mapping` applies to all contexts so create keymap copies + // for each context except the one being cleared. + var contexts = ['normal', 'insert', 'visual']; + for (var j in contexts) { + if (contexts[j] !== ctx) { + var newMapping = {}; + for (var key in mapping) { + newMapping[key] = mapping[key]; + } + newMapping.context = contexts[j]; + this._mapCommand(newMapping); + } + } + } + } + } + } + }, // TODO: Expose setOption and getOption as instance methods. Need to decide how to namespace // them, or somehow make them work with the existing CodeMirror setOption/getOption API. setOption: setOption, @@ -5040,32 +5113,7 @@ var insertModeChangeRegister = vimGlobalState.registerController.getRegister('.'); var isPlaying = macroModeState.isPlaying; var lastChange = macroModeState.lastInsertModeChanges; - // In case of visual block, the insertModeChanges are not saved as a - // single word, so we convert them to a single word - // so as to update the ". register as expected in real vim. - var text = []; if (!isPlaying) { - var selLength = lastChange.inVisualBlock && vim.lastSelection ? - vim.lastSelection.visualBlock.height : 1; - var changes = lastChange.changes; - var text = []; - var i = 0; - // In case of multiple selections in blockwise visual, - // the inserted text, for example: 'foo', is stored as - // 'f', 'f', InsertModeKey 'o', 'o', 'o', 'o'. (if you have a block with 2 lines). - // We push the contents of the changes array as per the following: - // 1. In case of InsertModeKey, just increment by 1. - // 2. In case of a character, jump by selLength (2 in the example). - while (i < changes.length) { - // This loop will convert 'ffoooo' to 'foo'. - text.push(changes[i]); - if (changes[i] instanceof InsertModeKey) { - i++; - } else { - i+= selLength; - } - } - lastChange.changes = text; cm.off('change', onChange); CodeMirror.off(cm.getInputField(), 'keydown', onKeyEventTargetKeyDown); } @@ -5196,17 +5244,24 @@ if (!macroModeState.isPlaying) { while(changeObj) { lastChange.expectCursorActivityForChange = true; - if (changeObj.origin == '+input' || changeObj.origin == 'paste' + if (lastChange.ignoreCount > 1) { + lastChange.ignoreCount--; + } else if (changeObj.origin == '+input' || changeObj.origin == 'paste' || changeObj.origin === undefined /* only in testing */) { + var selectionCount = cm.listSelections().length; + if (selectionCount > 1) + lastChange.ignoreCount = selectionCount; var text = changeObj.text.join('\n'); if (lastChange.maybeReset) { lastChange.changes = []; lastChange.maybeReset = false; } - if (cm.state.overwrite && !/\n/.test(text)) { + if (text) { + if (cm.state.overwrite && !/\n/.test(text)) { lastChange.changes.push([text]); - } else { + } else { lastChange.changes.push(text); + } } } // Change objects may be chained with next. diff --git a/vendor/codemirror/lib/codemirror.js b/vendor/codemirror/lib/codemirror.js index 96ec6c5f..93c0ead2 100644 --- a/vendor/codemirror/lib/codemirror.js +++ b/vendor/codemirror/lib/codemirror.js @@ -8,9695 +8,9691 @@ // at http://marijnhaverbeke.nl/blog/#cm-internals . (function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : - typeof define === 'function' && define.amd ? define(factory) : - (global.CodeMirror = factory()); + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global.CodeMirror = factory()); }(this, (function () { 'use strict'; -// Kludges for bugs and behavior differences that can't be feature -// detected are enabled based on userAgent etc sniffing. -var userAgent = navigator.userAgent; -var platform = navigator.platform; + // Kludges for bugs and behavior differences that can't be feature + // detected are enabled based on userAgent etc sniffing. + var userAgent = navigator.userAgent; + var platform = navigator.platform; -var gecko = /gecko\/\d/i.test(userAgent); -var ie_upto10 = /MSIE \d/.test(userAgent); -var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent); -var edge = /Edge\/(\d+)/.exec(userAgent); -var ie = ie_upto10 || ie_11up || edge; -var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]); -var webkit = !edge && /WebKit\//.test(userAgent); -var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent); -var chrome = !edge && /Chrome\//.test(userAgent); -var presto = /Opera\//.test(userAgent); -var safari = /Apple Computer/.test(navigator.vendor); -var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent); -var phantom = /PhantomJS/.test(userAgent); + var gecko = /gecko\/\d/i.test(userAgent); + var ie_upto10 = /MSIE \d/.test(userAgent); + var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent); + var edge = /Edge\/(\d+)/.exec(userAgent); + var ie = ie_upto10 || ie_11up || edge; + var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]); + var webkit = !edge && /WebKit\//.test(userAgent); + var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent); + var chrome = !edge && /Chrome\//.test(userAgent); + var presto = /Opera\//.test(userAgent); + var safari = /Apple Computer/.test(navigator.vendor); + var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent); + var phantom = /PhantomJS/.test(userAgent); -var ios = !edge && /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent); -var android = /Android/.test(userAgent); -// This is woefully incomplete. Suggestions for alternative methods welcome. -var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent); -var mac = ios || /Mac/.test(platform); -var chromeOS = /\bCrOS\b/.test(userAgent); -var windows = /win/i.test(platform); + var ios = !edge && /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent); + var android = /Android/.test(userAgent); + // This is woefully incomplete. Suggestions for alternative methods welcome. + var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent); + var mac = ios || /Mac/.test(platform); + var chromeOS = /\bCrOS\b/.test(userAgent); + var windows = /win/i.test(platform); -var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/); -if (presto_version) { presto_version = Number(presto_version[1]); } -if (presto_version && presto_version >= 15) { presto = false; webkit = true; } -// Some browsers use the wrong event properties to signal cmd/ctrl on OS X -var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11)); -var captureRightClick = gecko || (ie && ie_version >= 9); + var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/); + if (presto_version) { presto_version = Number(presto_version[1]); } + if (presto_version && presto_version >= 15) { presto = false; webkit = true; } + // Some browsers use the wrong event properties to signal cmd/ctrl on OS X + var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11)); + var captureRightClick = gecko || (ie && ie_version >= 9); -function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") } + function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") } -var rmClass = function(node, cls) { - var current = node.className; - var match = classTest(cls).exec(current); - if (match) { - var after = current.slice(match.index + match[0].length); - node.className = current.slice(0, match.index) + (after ? match[1] + after : ""); - } -}; + var rmClass = function(node, cls) { + var current = node.className; + var match = classTest(cls).exec(current); + if (match) { + var after = current.slice(match.index + match[0].length); + node.className = current.slice(0, match.index) + (after ? match[1] + after : ""); + } + }; -function removeChildren(e) { - for (var count = e.childNodes.length; count > 0; --count) - { e.removeChild(e.firstChild); } - return e -} - -function removeChildrenAndAdd(parent, e) { - return removeChildren(parent).appendChild(e) -} - -function elt(tag, content, className, style) { - var e = document.createElement(tag); - if (className) { e.className = className; } - if (style) { e.style.cssText = style; } - if (typeof content == "string") { e.appendChild(document.createTextNode(content)); } - else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } } - return e -} -// wrapper for elt, which removes the elt from the accessibility tree -function eltP(tag, content, className, style) { - var e = elt(tag, content, className, style); - e.setAttribute("role", "presentation"); - return e -} - -var range; -if (document.createRange) { range = function(node, start, end, endNode) { - var r = document.createRange(); - r.setEnd(endNode || node, end); - r.setStart(node, start); - return r -}; } -else { range = function(node, start, end) { - var r = document.body.createTextRange(); - try { r.moveToElementText(node.parentNode); } - catch(e) { return r } - r.collapse(true); - r.moveEnd("character", end); - r.moveStart("character", start); - return r -}; } - -function contains(parent, child) { - if (child.nodeType == 3) // Android browser always returns false when child is a textnode - { child = child.parentNode; } - if (parent.contains) - { return parent.contains(child) } - do { - if (child.nodeType == 11) { child = child.host; } - if (child == parent) { return true } - } while (child = child.parentNode) -} - -function activeElt() { - // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement. - // IE < 10 will throw when accessed while the page is loading or in an iframe. - // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable. - var activeElement; - try { - activeElement = document.activeElement; - } catch(e) { - activeElement = document.body || null; - } - while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement) - { activeElement = activeElement.shadowRoot.activeElement; } - return activeElement -} - -function addClass(node, cls) { - var current = node.className; - if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; } -} -function joinClasses(a, b) { - var as = a.split(" "); - for (var i = 0; i < as.length; i++) - { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } } - return b -} - -var selectInput = function(node) { node.select(); }; -if (ios) // Mobile Safari apparently has a bug where select() is broken. - { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; } -else if (ie) // Suppress mysterious IE10 errors - { selectInput = function(node) { try { node.select(); } catch(_e) {} }; } - -function bind(f) { - var args = Array.prototype.slice.call(arguments, 1); - return function(){return f.apply(null, args)} -} - -function copyObj(obj, target, overwrite) { - if (!target) { target = {}; } - for (var prop in obj) - { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop))) - { target[prop] = obj[prop]; } } - return target -} - -// Counts the column offset in a string, taking tabs into account. -// Used mostly to find indentation. -function countColumn(string, end, tabSize, startIndex, startValue) { - if (end == null) { - end = string.search(/[^\s\u00a0]/); - if (end == -1) { end = string.length; } - } - for (var i = startIndex || 0, n = startValue || 0;;) { - var nextTab = string.indexOf("\t", i); - if (nextTab < 0 || nextTab >= end) - { return n + (end - i) } - n += nextTab - i; - n += tabSize - (n % tabSize); - i = nextTab + 1; - } -} - -var Delayed = function() {this.id = null;}; -Delayed.prototype.set = function (ms, f) { - clearTimeout(this.id); - this.id = setTimeout(f, ms); -}; - -function indexOf(array, elt) { - for (var i = 0; i < array.length; ++i) - { if (array[i] == elt) { return i } } - return -1 -} - -// Number of pixels added to scroller and sizer to hide scrollbar -var scrollerGap = 30; - -// Returned or thrown by various protocols to signal 'I'm not -// handling this'. -var Pass = {toString: function(){return "CodeMirror.Pass"}}; - -// Reused option objects for setSelection & friends -var sel_dontScroll = {scroll: false}; -var sel_mouse = {origin: "*mouse"}; -var sel_move = {origin: "+move"}; - -// The inverse of countColumn -- find the offset that corresponds to -// a particular column. -function findColumn(string, goal, tabSize) { - for (var pos = 0, col = 0;;) { - var nextTab = string.indexOf("\t", pos); - if (nextTab == -1) { nextTab = string.length; } - var skipped = nextTab - pos; - if (nextTab == string.length || col + skipped >= goal) - { return pos + Math.min(skipped, goal - col) } - col += nextTab - pos; - col += tabSize - (col % tabSize); - pos = nextTab + 1; - if (col >= goal) { return pos } - } -} - -var spaceStrs = [""]; -function spaceStr(n) { - while (spaceStrs.length <= n) - { spaceStrs.push(lst(spaceStrs) + " "); } - return spaceStrs[n] -} - -function lst(arr) { return arr[arr.length-1] } - -function map(array, f) { - var out = []; - for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); } - return out -} - -function insertSorted(array, value, score) { - var pos = 0, priority = score(value); - while (pos < array.length && score(array[pos]) <= priority) { pos++; } - array.splice(pos, 0, value); -} - -function nothing() {} - -function createObj(base, props) { - var inst; - if (Object.create) { - inst = Object.create(base); - } else { - nothing.prototype = base; - inst = new nothing(); - } - if (props) { copyObj(props, inst); } - return inst -} - -var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; -function isWordCharBasic(ch) { - return /\w/.test(ch) || ch > "\x80" && - (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)) -} -function isWordChar(ch, helper) { - if (!helper) { return isWordCharBasic(ch) } - if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true } - return helper.test(ch) -} - -function isEmpty(obj) { - for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } } - return true -} - -// Extending unicode characters. A series of a non-extending char + -// any number of extending chars is treated as a single unit as far -// as editing and measuring is concerned. This is not fully correct, -// since some scripts/fonts/browsers also treat other configurations -// of code points as a group. -var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; -function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) } - -// Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range. -function skipExtendingChars(str, pos, dir) { - while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; } - return pos -} - -// Returns the value from the range [`from`; `to`] that satisfies -// `pred` and is closest to `from`. Assumes that at least `to` -// satisfies `pred`. Supports `from` being greater than `to`. -function findFirst(pred, from, to) { - // At any point we are certain `to` satisfies `pred`, don't know - // whether `from` does. - var dir = from > to ? -1 : 1; - for (;;) { - if (from == to) { return from } - var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF); - if (mid == from) { return pred(mid) ? from : to } - if (pred(mid)) { to = mid; } - else { from = mid + dir; } - } -} - -// The display handles the DOM integration, both for input reading -// and content drawing. It holds references to DOM nodes and -// display-related state. - -function Display(place, doc, input) { - var d = this; - this.input = input; - - // Covers bottom-right square when both scrollbars are present. - d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler"); - d.scrollbarFiller.setAttribute("cm-not-content", "true"); - // Covers bottom of gutter when coverGutterNextToScrollbar is on - // and h scrollbar is present. - d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler"); - d.gutterFiller.setAttribute("cm-not-content", "true"); - // Will contain the actual code, positioned to cover the viewport. - d.lineDiv = eltP("div", null, "CodeMirror-code"); - // Elements are added to these to represent selection and cursors. - d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1"); - d.cursorDiv = elt("div", null, "CodeMirror-cursors"); - // A visibility: hidden element used to find the size of things. - d.measure = elt("div", null, "CodeMirror-measure"); - // When lines outside of the viewport are measured, they are drawn in this. - d.lineMeasure = elt("div", null, "CodeMirror-measure"); - // Wraps everything that needs to exist inside the vertically-padded coordinate system - d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], - null, "position: relative; outline: none"); - var lines = eltP("div", [d.lineSpace], "CodeMirror-lines"); - // Moved around its parent to cover visible view. - d.mover = elt("div", [lines], null, "position: relative"); - // Set to the height of the document, allowing scrolling. - d.sizer = elt("div", [d.mover], "CodeMirror-sizer"); - d.sizerWidth = null; - // Behavior of elts with overflow: auto and padding is - // inconsistent across browsers. This is used to ensure the - // scrollable area is big enough. - d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;"); - // Will contain the gutters, if any. - d.gutters = elt("div", null, "CodeMirror-gutters"); - d.lineGutter = null; - // Actual scrollable element. - d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll"); - d.scroller.setAttribute("tabIndex", "-1"); - // The element in which the editor lives. - d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror"); - - // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported) - if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; } - if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; } - - if (place) { - if (place.appendChild) { place.appendChild(d.wrapper); } - else { place(d.wrapper); } + function removeChildren(e) { + for (var count = e.childNodes.length; count > 0; --count) + { e.removeChild(e.firstChild); } + return e } - // Current rendered range (may be bigger than the view window). - d.viewFrom = d.viewTo = doc.first; - d.reportedViewFrom = d.reportedViewTo = doc.first; - // Information about the rendered lines. - d.view = []; - d.renderedView = null; - // Holds info about a single rendered line when it was rendered - // for measurement, while not in view. - d.externalMeasured = null; - // Empty space (in pixels) above the view - d.viewOffset = 0; - d.lastWrapHeight = d.lastWrapWidth = 0; - d.updateLineNumbers = null; + function removeChildrenAndAdd(parent, e) { + return removeChildren(parent).appendChild(e) + } - d.nativeBarWidth = d.barHeight = d.barWidth = 0; - d.scrollbarsClipped = false; + function elt(tag, content, className, style) { + var e = document.createElement(tag); + if (className) { e.className = className; } + if (style) { e.style.cssText = style; } + if (typeof content == "string") { e.appendChild(document.createTextNode(content)); } + else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } } + return e + } + // wrapper for elt, which removes the elt from the accessibility tree + function eltP(tag, content, className, style) { + var e = elt(tag, content, className, style); + e.setAttribute("role", "presentation"); + return e + } - // Used to only resize the line number gutter when necessary (when - // the amount of lines crosses a boundary that makes its width change) - d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null; - // Set to true when a non-horizontal-scrolling line widget is - // added. As an optimization, line widget aligning is skipped when - // this is false. - d.alignWidgets = false; + var range; + if (document.createRange) { range = function(node, start, end, endNode) { + var r = document.createRange(); + r.setEnd(endNode || node, end); + r.setStart(node, start); + return r + }; } + else { range = function(node, start, end) { + var r = document.body.createTextRange(); + try { r.moveToElementText(node.parentNode); } + catch(e) { return r } + r.collapse(true); + r.moveEnd("character", end); + r.moveStart("character", start); + return r + }; } - d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; + function contains(parent, child) { + if (child.nodeType == 3) // Android browser always returns false when child is a textnode + { child = child.parentNode; } + if (parent.contains) + { return parent.contains(child) } + do { + if (child.nodeType == 11) { child = child.host; } + if (child == parent) { return true } + } while (child = child.parentNode) + } - // Tracks the maximum line length so that the horizontal scrollbar - // can be kept static when scrolling. - d.maxLine = null; - d.maxLineLength = 0; - d.maxLineChanged = false; + function activeElt() { + // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement. + // IE < 10 will throw when accessed while the page is loading or in an iframe. + // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable. + var activeElement; + try { + activeElement = document.activeElement; + } catch(e) { + activeElement = document.body || null; + } + while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement) + { activeElement = activeElement.shadowRoot.activeElement; } + return activeElement + } - // Used for measuring wheel scrolling granularity - d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null; + function addClass(node, cls) { + var current = node.className; + if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; } + } + function joinClasses(a, b) { + var as = a.split(" "); + for (var i = 0; i < as.length; i++) + { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } } + return b + } - // True when shift is held down. - d.shift = false; + var selectInput = function(node) { node.select(); }; + if (ios) // Mobile Safari apparently has a bug where select() is broken. + { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; } + else if (ie) // Suppress mysterious IE10 errors + { selectInput = function(node) { try { node.select(); } catch(_e) {} }; } - // Used to track whether anything happened since the context menu - // was opened. - d.selForContextMenu = null; + function bind(f) { + var args = Array.prototype.slice.call(arguments, 1); + return function(){return f.apply(null, args)} + } - d.activeTouch = null; + function copyObj(obj, target, overwrite) { + if (!target) { target = {}; } + for (var prop in obj) + { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop))) + { target[prop] = obj[prop]; } } + return target + } - input.init(d); -} - -// Find the line object corresponding to the given line number. -function getLine(doc, n) { - n -= doc.first; - if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") } - var chunk = doc; - while (!chunk.lines) { - for (var i = 0;; ++i) { - var child = chunk.children[i], sz = child.chunkSize(); - if (n < sz) { chunk = child; break } - n -= sz; + // Counts the column offset in a string, taking tabs into account. + // Used mostly to find indentation. + function countColumn(string, end, tabSize, startIndex, startValue) { + if (end == null) { + end = string.search(/[^\s\u00a0]/); + if (end == -1) { end = string.length; } + } + for (var i = startIndex || 0, n = startValue || 0;;) { + var nextTab = string.indexOf("\t", i); + if (nextTab < 0 || nextTab >= end) + { return n + (end - i) } + n += nextTab - i; + n += tabSize - (n % tabSize); + i = nextTab + 1; } } - return chunk.lines[n] -} -// Get the part of a document between two positions, as an array of -// strings. -function getBetween(doc, start, end) { - var out = [], n = start.line; - doc.iter(start.line, end.line + 1, function (line) { - var text = line.text; - if (n == end.line) { text = text.slice(0, end.ch); } - if (n == start.line) { text = text.slice(start.ch); } - out.push(text); - ++n; - }); - return out -} -// Get the lines between from and to, as array of strings. -function getLines(doc, from, to) { - var out = []; - doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value - return out -} + var Delayed = function() {this.id = null;}; + Delayed.prototype.set = function (ms, f) { + clearTimeout(this.id); + this.id = setTimeout(f, ms); + }; -// Update the height of a line, propagating the height change -// upwards to parent nodes. -function updateLineHeight(line, height) { - var diff = height - line.height; - if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } } -} + function indexOf(array, elt) { + for (var i = 0; i < array.length; ++i) + { if (array[i] == elt) { return i } } + return -1 + } -// Given a line object, find its line number by walking up through -// its parent links. -function lineNo(line) { - if (line.parent == null) { return null } - var cur = line.parent, no = indexOf(cur.lines, line); - for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { - for (var i = 0;; ++i) { - if (chunk.children[i] == cur) { break } - no += chunk.children[i].chunkSize(); + // Number of pixels added to scroller and sizer to hide scrollbar + var scrollerGap = 30; + + // Returned or thrown by various protocols to signal 'I'm not + // handling this'. + var Pass = {toString: function(){return "CodeMirror.Pass"}}; + + // Reused option objects for setSelection & friends + var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"}; + + // The inverse of countColumn -- find the offset that corresponds to + // a particular column. + function findColumn(string, goal, tabSize) { + for (var pos = 0, col = 0;;) { + var nextTab = string.indexOf("\t", pos); + if (nextTab == -1) { nextTab = string.length; } + var skipped = nextTab - pos; + if (nextTab == string.length || col + skipped >= goal) + { return pos + Math.min(skipped, goal - col) } + col += nextTab - pos; + col += tabSize - (col % tabSize); + pos = nextTab + 1; + if (col >= goal) { return pos } } } - return no + cur.first -} -// Find the line at the given vertical position, using the height -// information in the document tree. -function lineAtHeight(chunk, h) { - var n = chunk.first; - outer: do { - for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) { - var child = chunk.children[i$1], ch = child.height; - if (h < ch) { chunk = child; continue outer } - h -= ch; - n += child.chunkSize(); - } - return n - } while (!chunk.lines) - var i = 0; - for (; i < chunk.lines.length; ++i) { - var line = chunk.lines[i], lh = line.height; - if (h < lh) { break } - h -= lh; + var spaceStrs = [""]; + function spaceStr(n) { + while (spaceStrs.length <= n) + { spaceStrs.push(lst(spaceStrs) + " "); } + return spaceStrs[n] } - return n + i -} -function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size} + function lst(arr) { return arr[arr.length-1] } -function lineNumberFor(options, i) { - return String(options.lineNumberFormatter(i + options.firstLineNumber)) -} + function map(array, f) { + var out = []; + for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); } + return out + } -// A Pos instance represents a position within the text. -function Pos(line, ch, sticky) { - if ( sticky === void 0 ) sticky = null; + function insertSorted(array, value, score) { + var pos = 0, priority = score(value); + while (pos < array.length && score(array[pos]) <= priority) { pos++; } + array.splice(pos, 0, value); + } - if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) } - this.line = line; - this.ch = ch; - this.sticky = sticky; -} + function nothing() {} -// Compare two positions, return 0 if they are the same, a negative -// number when a is less, and a positive number otherwise. -function cmp(a, b) { return a.line - b.line || a.ch - b.ch } - -function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 } - -function copyPos(x) {return Pos(x.line, x.ch)} -function maxPos(a, b) { return cmp(a, b) < 0 ? b : a } -function minPos(a, b) { return cmp(a, b) < 0 ? a : b } - -// Most of the external API clips given positions to make sure they -// actually exist within the document. -function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))} -function clipPos(doc, pos) { - if (pos.line < doc.first) { return Pos(doc.first, 0) } - var last = doc.first + doc.size - 1; - if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) } - return clipToLen(pos, getLine(doc, pos.line).text.length) -} -function clipToLen(pos, linelen) { - var ch = pos.ch; - if (ch == null || ch > linelen) { return Pos(pos.line, linelen) } - else if (ch < 0) { return Pos(pos.line, 0) } - else { return pos } -} -function clipPosArray(doc, array) { - var out = []; - for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); } - return out -} - -// Optimize some code when these features are not used. -var sawReadOnlySpans = false; -var sawCollapsedSpans = false; - -function seeReadOnlySpans() { - sawReadOnlySpans = true; -} - -function seeCollapsedSpans() { - sawCollapsedSpans = true; -} - -// TEXTMARKER SPANS - -function MarkedSpan(marker, from, to) { - this.marker = marker; - this.from = from; this.to = to; -} - -// Search an array of spans for a span matching the given marker. -function getMarkedSpanFor(spans, marker) { - if (spans) { for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if (span.marker == marker) { return span } - } } -} -// Remove a span from an array, returning undefined if no spans are -// left (we don't store arrays for lines without spans). -function removeMarkedSpan(spans, span) { - var r; - for (var i = 0; i < spans.length; ++i) - { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } } - return r -} -// Add a span to a line. -function addMarkedSpan(line, span) { - line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]; - span.marker.attachLine(line); -} - -// Used for the algorithm that adjusts markers for a change in the -// document. These functions cut an array of spans at a given -// character position, returning an array of remaining chunks (or -// undefined if nothing remains). -function markedSpansBefore(old, startCh, isInsert) { - var nw; - if (old) { for (var i = 0; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); - if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to)); + function createObj(base, props) { + var inst; + if (Object.create) { + inst = Object.create(base); + } else { + nothing.prototype = base; + inst = new nothing(); } - } } - return nw -} -function markedSpansAfter(old, endCh, isInsert) { - var nw; - if (old) { for (var i = 0; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); - if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, - span.to == null ? null : span.to - endCh)); + if (props) { copyObj(props, inst); } + return inst + } + + var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; + function isWordCharBasic(ch) { + return /\w/.test(ch) || ch > "\x80" && + (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)) + } + function isWordChar(ch, helper) { + if (!helper) { return isWordCharBasic(ch) } + if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true } + return helper.test(ch) + } + + function isEmpty(obj) { + for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } } + return true + } + + // Extending unicode characters. A series of a non-extending char + + // any number of extending chars is treated as a single unit as far + // as editing and measuring is concerned. This is not fully correct, + // since some scripts/fonts/browsers also treat other configurations + // of code points as a group. + var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; + function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) } + + // Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range. + function skipExtendingChars(str, pos, dir) { + while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; } + return pos + } + + // Returns the value from the range [`from`; `to`] that satisfies + // `pred` and is closest to `from`. Assumes that at least `to` + // satisfies `pred`. Supports `from` being greater than `to`. + function findFirst(pred, from, to) { + // At any point we are certain `to` satisfies `pred`, don't know + // whether `from` does. + var dir = from > to ? -1 : 1; + for (;;) { + if (from == to) { return from } + var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF); + if (mid == from) { return pred(mid) ? from : to } + if (pred(mid)) { to = mid; } + else { from = mid + dir; } } - } } - return nw -} + } -// Given a change object, compute the new set of marker spans that -// cover the line in which the change took place. Removes spans -// entirely within the change, reconnects spans belonging to the -// same marker that appear on both sides of the change, and cuts off -// spans partially within the change. Returns an array of span -// arrays with one element for each line in (after) the change. -function stretchSpansOverChange(doc, change) { - if (change.full) { return null } - var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; - var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; - if (!oldFirst && !oldLast) { return null } + // The display handles the DOM integration, both for input reading + // and content drawing. It holds references to DOM nodes and + // display-related state. - var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0; - // Get the spans that 'stick out' on both sides - var first = markedSpansBefore(oldFirst, startCh, isInsert); - var last = markedSpansAfter(oldLast, endCh, isInsert); + function Display(place, doc, input) { + var d = this; + this.input = input; - // Next, merge those two ends - var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0); - if (first) { - // Fix up .to properties of first - for (var i = 0; i < first.length; ++i) { - var span = first[i]; - if (span.to == null) { - var found = getMarkedSpanFor(last, span.marker); - if (!found) { span.to = startCh; } - else if (sameLine) { span.to = found.to == null ? null : found.to + offset; } + // Covers bottom-right square when both scrollbars are present. + d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler"); + d.scrollbarFiller.setAttribute("cm-not-content", "true"); + // Covers bottom of gutter when coverGutterNextToScrollbar is on + // and h scrollbar is present. + d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler"); + d.gutterFiller.setAttribute("cm-not-content", "true"); + // Will contain the actual code, positioned to cover the viewport. + d.lineDiv = eltP("div", null, "CodeMirror-code"); + // Elements are added to these to represent selection and cursors. + d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1"); + d.cursorDiv = elt("div", null, "CodeMirror-cursors"); + // A visibility: hidden element used to find the size of things. + d.measure = elt("div", null, "CodeMirror-measure"); + // When lines outside of the viewport are measured, they are drawn in this. + d.lineMeasure = elt("div", null, "CodeMirror-measure"); + // Wraps everything that needs to exist inside the vertically-padded coordinate system + d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], + null, "position: relative; outline: none"); + var lines = eltP("div", [d.lineSpace], "CodeMirror-lines"); + // Moved around its parent to cover visible view. + d.mover = elt("div", [lines], null, "position: relative"); + // Set to the height of the document, allowing scrolling. + d.sizer = elt("div", [d.mover], "CodeMirror-sizer"); + d.sizerWidth = null; + // Behavior of elts with overflow: auto and padding is + // inconsistent across browsers. This is used to ensure the + // scrollable area is big enough. + d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;"); + // Will contain the gutters, if any. + d.gutters = elt("div", null, "CodeMirror-gutters"); + d.lineGutter = null; + // Actual scrollable element. + d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll"); + d.scroller.setAttribute("tabIndex", "-1"); + // The element in which the editor lives. + d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror"); + + // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported) + if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; } + if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; } + + if (place) { + if (place.appendChild) { place.appendChild(d.wrapper); } + else { place(d.wrapper); } + } + + // Current rendered range (may be bigger than the view window). + d.viewFrom = d.viewTo = doc.first; + d.reportedViewFrom = d.reportedViewTo = doc.first; + // Information about the rendered lines. + d.view = []; + d.renderedView = null; + // Holds info about a single rendered line when it was rendered + // for measurement, while not in view. + d.externalMeasured = null; + // Empty space (in pixels) above the view + d.viewOffset = 0; + d.lastWrapHeight = d.lastWrapWidth = 0; + d.updateLineNumbers = null; + + d.nativeBarWidth = d.barHeight = d.barWidth = 0; + d.scrollbarsClipped = false; + + // Used to only resize the line number gutter when necessary (when + // the amount of lines crosses a boundary that makes its width change) + d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null; + // Set to true when a non-horizontal-scrolling line widget is + // added. As an optimization, line widget aligning is skipped when + // this is false. + d.alignWidgets = false; + + d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; + + // Tracks the maximum line length so that the horizontal scrollbar + // can be kept static when scrolling. + d.maxLine = null; + d.maxLineLength = 0; + d.maxLineChanged = false; + + // Used for measuring wheel scrolling granularity + d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null; + + // True when shift is held down. + d.shift = false; + + // Used to track whether anything happened since the context menu + // was opened. + d.selForContextMenu = null; + + d.activeTouch = null; + + input.init(d); + } + + // Find the line object corresponding to the given line number. + function getLine(doc, n) { + n -= doc.first; + if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") } + var chunk = doc; + while (!chunk.lines) { + for (var i = 0;; ++i) { + var child = chunk.children[i], sz = child.chunkSize(); + if (n < sz) { chunk = child; break } + n -= sz; } } + return chunk.lines[n] } - if (last) { - // Fix up .from in last (or move them into first in case of sameLine) - for (var i$1 = 0; i$1 < last.length; ++i$1) { - var span$1 = last[i$1]; - if (span$1.to != null) { span$1.to += offset; } - if (span$1.from == null) { - var found$1 = getMarkedSpanFor(first, span$1.marker); - if (!found$1) { - span$1.from = offset; - if (sameLine) { (first || (first = [])).push(span$1); } - } - } else { - span$1.from += offset; - if (sameLine) { (first || (first = [])).push(span$1); } + + // Get the part of a document between two positions, as an array of + // strings. + function getBetween(doc, start, end) { + var out = [], n = start.line; + doc.iter(start.line, end.line + 1, function (line) { + var text = line.text; + if (n == end.line) { text = text.slice(0, end.ch); } + if (n == start.line) { text = text.slice(start.ch); } + out.push(text); + ++n; + }); + return out + } + // Get the lines between from and to, as array of strings. + function getLines(doc, from, to) { + var out = []; + doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value + return out + } + + // Update the height of a line, propagating the height change + // upwards to parent nodes. + function updateLineHeight(line, height) { + var diff = height - line.height; + if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } } + } + + // Given a line object, find its line number by walking up through + // its parent links. + function lineNo(line) { + if (line.parent == null) { return null } + var cur = line.parent, no = indexOf(cur.lines, line); + for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { + for (var i = 0;; ++i) { + if (chunk.children[i] == cur) { break } + no += chunk.children[i].chunkSize(); } } + return no + cur.first } - // Make sure we didn't create any zero-length spans - if (first) { first = clearEmptySpans(first); } - if (last && last != first) { last = clearEmptySpans(last); } - var newMarkers = [first]; - if (!sameLine) { - // Fill gap with whole-line-spans - var gap = change.text.length - 2, gapMarkers; - if (gap > 0 && first) - { for (var i$2 = 0; i$2 < first.length; ++i$2) - { if (first[i$2].to == null) - { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } } - for (var i$3 = 0; i$3 < gap; ++i$3) - { newMarkers.push(gapMarkers); } - newMarkers.push(last); - } - return newMarkers -} - -// Remove spans that are empty and don't have a clearWhenEmpty -// option of false. -function clearEmptySpans(spans) { - for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false) - { spans.splice(i--, 1); } - } - if (!spans.length) { return null } - return spans -} - -// Used to 'clip' out readOnly ranges when making a change. -function removeReadOnlyRanges(doc, from, to) { - var markers = null; - doc.iter(from.line, to.line + 1, function (line) { - if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { - var mark = line.markedSpans[i].marker; - if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) - { (markers || (markers = [])).push(mark); } - } } - }); - if (!markers) { return null } - var parts = [{from: from, to: to}]; - for (var i = 0; i < markers.length; ++i) { - var mk = markers[i], m = mk.find(0); - for (var j = 0; j < parts.length; ++j) { - var p = parts[j]; - if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue } - var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to); - if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) - { newParts.push({from: p.from, to: m.from}); } - if (dto > 0 || !mk.inclusiveRight && !dto) - { newParts.push({from: m.to, to: p.to}); } - parts.splice.apply(parts, newParts); - j += newParts.length - 3; + // Find the line at the given vertical position, using the height + // information in the document tree. + function lineAtHeight(chunk, h) { + var n = chunk.first; + outer: do { + for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) { + var child = chunk.children[i$1], ch = child.height; + if (h < ch) { chunk = child; continue outer } + h -= ch; + n += child.chunkSize(); + } + return n + } while (!chunk.lines) + var i = 0; + for (; i < chunk.lines.length; ++i) { + var line = chunk.lines[i], lh = line.height; + if (h < lh) { break } + h -= lh; } - } - return parts -} - -// Connect or disconnect spans from a line. -function detachMarkedSpans(line) { - var spans = line.markedSpans; - if (!spans) { return } - for (var i = 0; i < spans.length; ++i) - { spans[i].marker.detachLine(line); } - line.markedSpans = null; -} -function attachMarkedSpans(line, spans) { - if (!spans) { return } - for (var i = 0; i < spans.length; ++i) - { spans[i].marker.attachLine(line); } - line.markedSpans = spans; -} - -// Helpers used when computing which overlapping collapsed span -// counts as the larger one. -function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 } -function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 } - -// Returns a number indicating which of two overlapping collapsed -// spans is larger (and thus includes the other). Falls back to -// comparing ids when the spans cover exactly the same range. -function compareCollapsedMarkers(a, b) { - var lenDiff = a.lines.length - b.lines.length; - if (lenDiff != 0) { return lenDiff } - var aPos = a.find(), bPos = b.find(); - var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b); - if (fromCmp) { return -fromCmp } - var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b); - if (toCmp) { return toCmp } - return b.id - a.id -} - -// Find out whether a line ends or starts in a collapsed span. If -// so, return the marker for that span. -function collapsedSpanAtSide(line, start) { - var sps = sawCollapsedSpans && line.markedSpans, found; - if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { - sp = sps[i]; - if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && - (!found || compareCollapsedMarkers(found, sp.marker) < 0)) - { found = sp.marker; } - } } - return found -} -function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) } -function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) } - -function collapsedSpanAround(line, ch) { - var sps = sawCollapsedSpans && line.markedSpans, found; - if (sps) { for (var i = 0; i < sps.length; ++i) { - var sp = sps[i]; - if (sp.marker.collapsed && (sp.from == null || sp.from < ch) && (sp.to == null || sp.to > ch) && - (!found || compareCollapsedMarkers(found, sp.marker) < 0)) { found = sp.marker; } - } } - return found -} - -// Test whether there exists a collapsed span that partially -// overlaps (covers the start or end, but not both) of a new span. -// Such overlap is not allowed. -function conflictingCollapsedRange(doc, lineNo$$1, from, to, marker) { - var line = getLine(doc, lineNo$$1); - var sps = sawCollapsedSpans && line.markedSpans; - if (sps) { for (var i = 0; i < sps.length; ++i) { - var sp = sps[i]; - if (!sp.marker.collapsed) { continue } - var found = sp.marker.find(0); - var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); - var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); - if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue } - if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) || - fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0)) - { return true } - } } -} - -// A visual line is a line as drawn on the screen. Folding, for -// example, can cause multiple logical lines to appear on the same -// visual line. This finds the start of the visual line that the -// given line is part of (usually that is the line itself). -function visualLine(line) { - var merged; - while (merged = collapsedSpanAtStart(line)) - { line = merged.find(-1, true).line; } - return line -} - -function visualLineEnd(line) { - var merged; - while (merged = collapsedSpanAtEnd(line)) - { line = merged.find(1, true).line; } - return line -} - -// Returns an array of logical lines that continue the visual line -// started by the argument, or undefined if there are no such lines. -function visualLineContinued(line) { - var merged, lines; - while (merged = collapsedSpanAtEnd(line)) { - line = merged.find(1, true).line - ;(lines || (lines = [])).push(line); - } - return lines -} - -// Get the line number of the start of the visual line that the -// given line number is part of. -function visualLineNo(doc, lineN) { - var line = getLine(doc, lineN), vis = visualLine(line); - if (line == vis) { return lineN } - return lineNo(vis) -} - -// Get the line number of the start of the next visual line after -// the given line. -function visualLineEndNo(doc, lineN) { - if (lineN > doc.lastLine()) { return lineN } - var line = getLine(doc, lineN), merged; - if (!lineIsHidden(doc, line)) { return lineN } - while (merged = collapsedSpanAtEnd(line)) - { line = merged.find(1, true).line; } - return lineNo(line) + 1 -} - -// Compute whether a line is hidden. Lines count as hidden when they -// are part of a visual line that starts with another line, or when -// they are entirely covered by collapsed, non-widget span. -function lineIsHidden(doc, line) { - var sps = sawCollapsedSpans && line.markedSpans; - if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { - sp = sps[i]; - if (!sp.marker.collapsed) { continue } - if (sp.from == null) { return true } - if (sp.marker.widgetNode) { continue } - if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) - { return true } - } } -} -function lineIsHiddenInner(doc, line, span) { - if (span.to == null) { - var end = span.marker.find(1, true); - return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)) - } - if (span.marker.inclusiveRight && span.to == line.text.length) - { return true } - for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) { - sp = line.markedSpans[i]; - if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && - (sp.to == null || sp.to != span.from) && - (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && - lineIsHiddenInner(doc, line, sp)) { return true } - } -} - -// Find the height above the given line. -function heightAtLine(lineObj) { - lineObj = visualLine(lineObj); - - var h = 0, chunk = lineObj.parent; - for (var i = 0; i < chunk.lines.length; ++i) { - var line = chunk.lines[i]; - if (line == lineObj) { break } - else { h += line.height; } - } - for (var p = chunk.parent; p; chunk = p, p = chunk.parent) { - for (var i$1 = 0; i$1 < p.children.length; ++i$1) { - var cur = p.children[i$1]; - if (cur == chunk) { break } - else { h += cur.height; } - } - } - return h -} - -// Compute the character length of a line, taking into account -// collapsed ranges (see markText) that might hide parts, and join -// other lines onto it. -function lineLength(line) { - if (line.height == 0) { return 0 } - var len = line.text.length, merged, cur = line; - while (merged = collapsedSpanAtStart(cur)) { - var found = merged.find(0, true); - cur = found.from.line; - len += found.from.ch - found.to.ch; - } - cur = line; - while (merged = collapsedSpanAtEnd(cur)) { - var found$1 = merged.find(0, true); - len -= cur.text.length - found$1.from.ch; - cur = found$1.to.line; - len += cur.text.length - found$1.to.ch; - } - return len -} - -// Find the longest line in the document. -function findMaxLine(cm) { - var d = cm.display, doc = cm.doc; - d.maxLine = getLine(doc, doc.first); - d.maxLineLength = lineLength(d.maxLine); - d.maxLineChanged = true; - doc.iter(function (line) { - var len = lineLength(line); - if (len > d.maxLineLength) { - d.maxLineLength = len; - d.maxLine = line; - } - }); -} - -// BIDI HELPERS - -function iterateBidiSections(order, from, to, f) { - if (!order) { return f(from, to, "ltr", 0) } - var found = false; - for (var i = 0; i < order.length; ++i) { - var part = order[i]; - if (part.from < to && part.to > from || from == to && part.to == from) { - f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i); - found = true; - } - } - if (!found) { f(from, to, "ltr"); } -} - -var bidiOther = null; -function getBidiPartAt(order, ch, sticky) { - var found; - bidiOther = null; - for (var i = 0; i < order.length; ++i) { - var cur = order[i]; - if (cur.from < ch && cur.to > ch) { return i } - if (cur.to == ch) { - if (cur.from != cur.to && sticky == "before") { found = i; } - else { bidiOther = i; } - } - if (cur.from == ch) { - if (cur.from != cur.to && sticky != "before") { found = i; } - else { bidiOther = i; } - } - } - return found != null ? found : bidiOther -} - -// Bidirectional ordering algorithm -// See http://unicode.org/reports/tr9/tr9-13.html for the algorithm -// that this (partially) implements. - -// One-char codes used for character types: -// L (L): Left-to-Right -// R (R): Right-to-Left -// r (AL): Right-to-Left Arabic -// 1 (EN): European Number -// + (ES): European Number Separator -// % (ET): European Number Terminator -// n (AN): Arabic Number -// , (CS): Common Number Separator -// m (NSM): Non-Spacing Mark -// b (BN): Boundary Neutral -// s (B): Paragraph Separator -// t (S): Segment Separator -// w (WS): Whitespace -// N (ON): Other Neutrals - -// Returns null if characters are ordered as they appear -// (left-to-right), or an array of sections ({from, to, level} -// objects) in the order in which they occur visually. -var bidiOrdering = (function() { - // Character types for codepoints 0 to 0xff - var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"; - // Character types for codepoints 0x600 to 0x6f9 - var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111"; - function charType(code) { - if (code <= 0xf7) { return lowTypes.charAt(code) } - else if (0x590 <= code && code <= 0x5f4) { return "R" } - else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) } - else if (0x6ee <= code && code <= 0x8ac) { return "r" } - else if (0x2000 <= code && code <= 0x200b) { return "w" } - else if (code == 0x200c) { return "b" } - else { return "L" } + return n + i } - var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; - var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; + function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size} - function BidiSpan(level, from, to) { - this.level = level; + function lineNumberFor(options, i) { + return String(options.lineNumberFormatter(i + options.firstLineNumber)) + } + + // A Pos instance represents a position within the text. + function Pos(line, ch, sticky) { + if ( sticky === void 0 ) sticky = null; + + if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) } + this.line = line; + this.ch = ch; + this.sticky = sticky; + } + + // Compare two positions, return 0 if they are the same, a negative + // number when a is less, and a positive number otherwise. + function cmp(a, b) { return a.line - b.line || a.ch - b.ch } + + function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 } + + function copyPos(x) {return Pos(x.line, x.ch)} + function maxPos(a, b) { return cmp(a, b) < 0 ? b : a } + function minPos(a, b) { return cmp(a, b) < 0 ? a : b } + + // Most of the external API clips given positions to make sure they + // actually exist within the document. + function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))} + function clipPos(doc, pos) { + if (pos.line < doc.first) { return Pos(doc.first, 0) } + var last = doc.first + doc.size - 1; + if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) } + return clipToLen(pos, getLine(doc, pos.line).text.length) + } + function clipToLen(pos, linelen) { + var ch = pos.ch; + if (ch == null || ch > linelen) { return Pos(pos.line, linelen) } + else if (ch < 0) { return Pos(pos.line, 0) } + else { return pos } + } + function clipPosArray(doc, array) { + var out = []; + for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); } + return out + } + + // Optimize some code when these features are not used. + var sawReadOnlySpans = false, sawCollapsedSpans = false; + + function seeReadOnlySpans() { + sawReadOnlySpans = true; + } + + function seeCollapsedSpans() { + sawCollapsedSpans = true; + } + + // TEXTMARKER SPANS + + function MarkedSpan(marker, from, to) { + this.marker = marker; this.from = from; this.to = to; } - return function(str, direction) { - var outerType = direction == "ltr" ? "L" : "R"; + // Search an array of spans for a span matching the given marker. + function getMarkedSpanFor(spans, marker) { + if (spans) { for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if (span.marker == marker) { return span } + } } + } + // Remove a span from an array, returning undefined if no spans are + // left (we don't store arrays for lines without spans). + function removeMarkedSpan(spans, span) { + var r; + for (var i = 0; i < spans.length; ++i) + { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } } + return r + } + // Add a span to a line. + function addMarkedSpan(line, span) { + line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]; + span.marker.attachLine(line); + } - if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false } - var len = str.length, types = []; - for (var i = 0; i < len; ++i) - { types.push(charType(str.charCodeAt(i))); } - - // W1. Examine each non-spacing mark (NSM) in the level run, and - // change the type of the NSM to the type of the previous - // character. If the NSM is at the start of the level run, it will - // get the type of sor. - for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) { - var type = types[i$1]; - if (type == "m") { types[i$1] = prev; } - else { prev = type; } - } - - // W2. Search backwards from each instance of a European number - // until the first strong type (R, L, AL, or sor) is found. If an - // AL is found, change the type of the European number to Arabic - // number. - // W3. Change all ALs to R. - for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) { - var type$1 = types[i$2]; - if (type$1 == "1" && cur == "r") { types[i$2] = "n"; } - else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } } - } - - // W4. A single European separator between two European numbers - // changes to a European number. A single common separator between - // two numbers of the same type changes to that type. - for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) { - var type$2 = types[i$3]; - if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; } - else if (type$2 == "," && prev$1 == types[i$3+1] && - (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; } - prev$1 = type$2; - } - - // W5. A sequence of European terminators adjacent to European - // numbers changes to all European numbers. - // W6. Otherwise, separators and terminators change to Other - // Neutral. - for (var i$4 = 0; i$4 < len; ++i$4) { - var type$3 = types[i$4]; - if (type$3 == ",") { types[i$4] = "N"; } - else if (type$3 == "%") { - var end = (void 0); - for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {} - var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N"; - for (var j = i$4; j < end; ++j) { types[j] = replace; } - i$4 = end - 1; + // Used for the algorithm that adjusts markers for a change in the + // document. These functions cut an array of spans at a given + // character position, returning an array of remaining chunks (or + // undefined if nothing remains). + function markedSpansBefore(old, startCh, isInsert) { + var nw; + if (old) { for (var i = 0; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); + if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh) + ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to)); } - } - - // W7. Search backwards from each instance of a European number - // until the first strong type (R, L, or sor) is found. If an L is - // found, then change the type of the European number to L. - for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) { - var type$4 = types[i$5]; - if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; } - else if (isStrong.test(type$4)) { cur$1 = type$4; } - } - - // N1. A sequence of neutrals takes the direction of the - // surrounding strong text if the text on both sides has the same - // direction. European and Arabic numbers act as if they were R in - // terms of their influence on neutrals. Start-of-level-run (sor) - // and end-of-level-run (eor) are used at level run boundaries. - // N2. Any remaining neutrals take the embedding direction. - for (var i$6 = 0; i$6 < len; ++i$6) { - if (isNeutral.test(types[i$6])) { - var end$1 = (void 0); - for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {} - var before = (i$6 ? types[i$6-1] : outerType) == "L"; - var after = (end$1 < len ? types[end$1] : outerType) == "L"; - var replace$1 = before == after ? (before ? "L" : "R") : outerType; - for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; } - i$6 = end$1 - 1; + } } + return nw + } + function markedSpansAfter(old, endCh, isInsert) { + var nw; + if (old) { for (var i = 0; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); + if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh) + ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, + span.to == null ? null : span.to - endCh)); } - } - - // Here we depart from the documented algorithm, in order to avoid - // building up an actual levels array. Since there are only three - // levels (0, 1, 2) in an implementation that doesn't take - // explicit embedding into account, we can build up the order on - // the fly, without following the level-based algorithm. - var order = [], m; - for (var i$7 = 0; i$7 < len;) { - if (countsAsLeft.test(types[i$7])) { - var start = i$7; - for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {} - order.push(new BidiSpan(0, start, i$7)); - } else { - var pos = i$7, at = order.length; - for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {} - for (var j$2 = pos; j$2 < i$7;) { - if (countsAsNum.test(types[j$2])) { - if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); } - var nstart = j$2; - for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {} - order.splice(at, 0, new BidiSpan(2, nstart, j$2)); - pos = j$2; - } else { ++j$2; } - } - if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); } - } - } - if (direction == "ltr") { - if (order[0].level == 1 && (m = str.match(/^\s+/))) { - order[0].from = m[0].length; - order.unshift(new BidiSpan(0, 0, m[0].length)); - } - if (lst(order).level == 1 && (m = str.match(/\s+$/))) { - lst(order).to -= m[0].length; - order.push(new BidiSpan(0, len - m[0].length, len)); - } - } - - return direction == "rtl" ? order.reverse() : order + } } + return nw } -})(); -// Get the bidi ordering for the given line (and cache it). Returns -// false for lines that are fully left-to-right, and an array of -// BidiSpan objects otherwise. -function getOrder(line, direction) { - var order = line.order; - if (order == null) { order = line.order = bidiOrdering(line.text, direction); } - return order -} + // Given a change object, compute the new set of marker spans that + // cover the line in which the change took place. Removes spans + // entirely within the change, reconnects spans belonging to the + // same marker that appear on both sides of the change, and cuts off + // spans partially within the change. Returns an array of span + // arrays with one element for each line in (after) the change. + function stretchSpansOverChange(doc, change) { + if (change.full) { return null } + var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; + var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; + if (!oldFirst && !oldLast) { return null } -// EVENT HANDLING + var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0; + // Get the spans that 'stick out' on both sides + var first = markedSpansBefore(oldFirst, startCh, isInsert); + var last = markedSpansAfter(oldLast, endCh, isInsert); -// Lightweight event framework. on/off also work on DOM nodes, -// registering native DOM handlers. - -var noHandlers = []; - -var on = function(emitter, type, f) { - if (emitter.addEventListener) { - emitter.addEventListener(type, f, false); - } else if (emitter.attachEvent) { - emitter.attachEvent("on" + type, f); - } else { - var map$$1 = emitter._handlers || (emitter._handlers = {}); - map$$1[type] = (map$$1[type] || noHandlers).concat(f); - } -}; - -function getHandlers(emitter, type) { - return emitter._handlers && emitter._handlers[type] || noHandlers -} - -function off(emitter, type, f) { - if (emitter.removeEventListener) { - emitter.removeEventListener(type, f, false); - } else if (emitter.detachEvent) { - emitter.detachEvent("on" + type, f); - } else { - var map$$1 = emitter._handlers, arr = map$$1 && map$$1[type]; - if (arr) { - var index = indexOf(arr, f); - if (index > -1) - { map$$1[type] = arr.slice(0, index).concat(arr.slice(index + 1)); } - } - } -} - -function signal(emitter, type /*, values...*/) { - var handlers = getHandlers(emitter, type); - if (!handlers.length) { return } - var args = Array.prototype.slice.call(arguments, 2); - for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); } -} - -// The DOM events that CodeMirror handles can be overridden by -// registering a (non-DOM) handler on the editor for the event name, -// and preventDefault-ing the event in that handler. -function signalDOMEvent(cm, e, override) { - if (typeof e == "string") - { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; } - signal(cm, override || e.type, cm, e); - return e_defaultPrevented(e) || e.codemirrorIgnore -} - -function signalCursorActivity(cm) { - var arr = cm._handlers && cm._handlers.cursorActivity; - if (!arr) { return } - var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []); - for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1) - { set.push(arr[i]); } } -} - -function hasHandler(emitter, type) { - return getHandlers(emitter, type).length > 0 -} - -// Add on and off methods to a constructor's prototype, to make -// registering events on such objects more convenient. -function eventMixin(ctor) { - ctor.prototype.on = function(type, f) {on(this, type, f);}; - ctor.prototype.off = function(type, f) {off(this, type, f);}; -} - -// Due to the fact that we still support jurassic IE versions, some -// compatibility wrappers are needed. - -function e_preventDefault(e) { - if (e.preventDefault) { e.preventDefault(); } - else { e.returnValue = false; } -} -function e_stopPropagation(e) { - if (e.stopPropagation) { e.stopPropagation(); } - else { e.cancelBubble = true; } -} -function e_defaultPrevented(e) { - return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false -} -function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);} - -function e_target(e) {return e.target || e.srcElement} -function e_button(e) { - var b = e.which; - if (b == null) { - if (e.button & 1) { b = 1; } - else if (e.button & 2) { b = 3; } - else if (e.button & 4) { b = 2; } - } - if (mac && e.ctrlKey && b == 1) { b = 3; } - return b -} - -// Detect drag-and-drop -var dragAndDrop = function() { - // There is *some* kind of drag-and-drop support in IE6-8, but I - // couldn't get it to work yet. - if (ie && ie_version < 9) { return false } - var div = elt('div'); - return "draggable" in div || "dragDrop" in div -}(); - -var zwspSupported; -function zeroWidthElement(measure) { - if (zwspSupported == null) { - var test = elt("span", "\u200b"); - removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])); - if (measure.firstChild.offsetHeight != 0) - { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); } - } - var node = zwspSupported ? elt("span", "\u200b") : - elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); - node.setAttribute("cm-text", ""); - return node -} - -// Feature-detect IE's crummy client rect reporting for bidi text -var badBidiRects; -function hasBadBidiRects(measure) { - if (badBidiRects != null) { return badBidiRects } - var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")); - var r0 = range(txt, 0, 1).getBoundingClientRect(); - var r1 = range(txt, 1, 2).getBoundingClientRect(); - removeChildren(measure); - if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780) - return badBidiRects = (r1.right - r0.right < 3) -} - -// See if "".split is the broken IE version, if so, provide an -// alternative way to split lines. -var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) { - var pos = 0, result = [], l = string.length; - while (pos <= l) { - var nl = string.indexOf("\n", pos); - if (nl == -1) { nl = string.length; } - var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); - var rt = line.indexOf("\r"); - if (rt != -1) { - result.push(line.slice(0, rt)); - pos += rt + 1; - } else { - result.push(line); - pos = nl + 1; - } - } - return result -} : function (string) { return string.split(/\r\n?|\n/); }; - -var hasSelection = window.getSelection ? function (te) { - try { return te.selectionStart != te.selectionEnd } - catch(e) { return false } -} : function (te) { - var range$$1; - try {range$$1 = te.ownerDocument.selection.createRange();} - catch(e) {} - if (!range$$1 || range$$1.parentElement() != te) { return false } - return range$$1.compareEndPoints("StartToEnd", range$$1) != 0 -}; - -var hasCopyEvent = (function () { - var e = elt("div"); - if ("oncopy" in e) { return true } - e.setAttribute("oncopy", "return;"); - return typeof e.oncopy == "function" -})(); - -var badZoomedRects = null; -function hasBadZoomedRects(measure) { - if (badZoomedRects != null) { return badZoomedRects } - var node = removeChildrenAndAdd(measure, elt("span", "x")); - var normal = node.getBoundingClientRect(); - var fromRange = range(node, 0, 1).getBoundingClientRect(); - return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1 -} - -// Known modes, by name and by MIME -var modes = {}; -var mimeModes = {}; - -// Extra arguments are stored as the mode's dependencies, which is -// used by (legacy) mechanisms like loadmode.js to automatically -// load a mode. (Preferred mechanism is the require/define calls.) -function defineMode(name, mode) { - if (arguments.length > 2) - { mode.dependencies = Array.prototype.slice.call(arguments, 2); } - modes[name] = mode; -} - -function defineMIME(mime, spec) { - mimeModes[mime] = spec; -} - -// Given a MIME type, a {name, ...options} config object, or a name -// string, return a mode config object. -function resolveMode(spec) { - if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { - spec = mimeModes[spec]; - } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { - var found = mimeModes[spec.name]; - if (typeof found == "string") { found = {name: found}; } - spec = createObj(found, spec); - spec.name = found.name; - } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { - return resolveMode("application/xml") - } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) { - return resolveMode("application/json") - } - if (typeof spec == "string") { return {name: spec} } - else { return spec || {name: "null"} } -} - -// Given a mode spec (anything that resolveMode accepts), find and -// initialize an actual mode object. -function getMode(options, spec) { - spec = resolveMode(spec); - var mfactory = modes[spec.name]; - if (!mfactory) { return getMode(options, "text/plain") } - var modeObj = mfactory(options, spec); - if (modeExtensions.hasOwnProperty(spec.name)) { - var exts = modeExtensions[spec.name]; - for (var prop in exts) { - if (!exts.hasOwnProperty(prop)) { continue } - if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; } - modeObj[prop] = exts[prop]; - } - } - modeObj.name = spec.name; - if (spec.helperType) { modeObj.helperType = spec.helperType; } - if (spec.modeProps) { for (var prop$1 in spec.modeProps) - { modeObj[prop$1] = spec.modeProps[prop$1]; } } - - return modeObj -} - -// This can be used to attach properties to mode objects from -// outside the actual mode definition. -var modeExtensions = {}; -function extendMode(mode, properties) { - var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); - copyObj(properties, exts); -} - -function copyState(mode, state) { - if (state === true) { return state } - if (mode.copyState) { return mode.copyState(state) } - var nstate = {}; - for (var n in state) { - var val = state[n]; - if (val instanceof Array) { val = val.concat([]); } - nstate[n] = val; - } - return nstate -} - -// Given a mode and a state (for that mode), find the inner mode and -// state at the position that the state refers to. -function innerMode(mode, state) { - var info; - while (mode.innerMode) { - info = mode.innerMode(state); - if (!info || info.mode == mode) { break } - state = info.state; - mode = info.mode; - } - return info || {mode: mode, state: state} -} - -function startState(mode, a1, a2) { - return mode.startState ? mode.startState(a1, a2) : true -} - -// STRING STREAM - -// Fed to the mode parsers, provides helper functions to make -// parsers more succinct. - -var StringStream = function(string, tabSize, lineOracle) { - this.pos = this.start = 0; - this.string = string; - this.tabSize = tabSize || 8; - this.lastColumnPos = this.lastColumnValue = 0; - this.lineStart = 0; - this.lineOracle = lineOracle; -}; - -StringStream.prototype.eol = function () {return this.pos >= this.string.length}; -StringStream.prototype.sol = function () {return this.pos == this.lineStart}; -StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined}; -StringStream.prototype.next = function () { - if (this.pos < this.string.length) - { return this.string.charAt(this.pos++) } -}; -StringStream.prototype.eat = function (match) { - var ch = this.string.charAt(this.pos); - var ok; - if (typeof match == "string") { ok = ch == match; } - else { ok = ch && (match.test ? match.test(ch) : match(ch)); } - if (ok) {++this.pos; return ch} -}; -StringStream.prototype.eatWhile = function (match) { - var start = this.pos; - while (this.eat(match)){} - return this.pos > start -}; -StringStream.prototype.eatSpace = function () { - var this$1 = this; - - var start = this.pos; - while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this$1.pos; } - return this.pos > start -}; -StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;}; -StringStream.prototype.skipTo = function (ch) { - var found = this.string.indexOf(ch, this.pos); - if (found > -1) {this.pos = found; return true} -}; -StringStream.prototype.backUp = function (n) {this.pos -= n;}; -StringStream.prototype.column = function () { - if (this.lastColumnPos < this.start) { - this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue); - this.lastColumnPos = this.start; - } - return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) -}; -StringStream.prototype.indentation = function () { - return countColumn(this.string, null, this.tabSize) - - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) -}; -StringStream.prototype.match = function (pattern, consume, caseInsensitive) { - if (typeof pattern == "string") { - var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; }; - var substr = this.string.substr(this.pos, pattern.length); - if (cased(substr) == cased(pattern)) { - if (consume !== false) { this.pos += pattern.length; } - return true - } - } else { - var match = this.string.slice(this.pos).match(pattern); - if (match && match.index > 0) { return null } - if (match && consume !== false) { this.pos += match[0].length; } - return match - } -}; -StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)}; -StringStream.prototype.hideFirstChars = function (n, inner) { - this.lineStart += n; - try { return inner() } - finally { this.lineStart -= n; } -}; -StringStream.prototype.lookAhead = function (n) { - var oracle = this.lineOracle; - return oracle && oracle.lookAhead(n) -}; -StringStream.prototype.baseToken = function () { - var oracle = this.lineOracle; - return oracle && oracle.baseToken(this.pos) -}; - -var SavedContext = function(state, lookAhead) { - this.state = state; - this.lookAhead = lookAhead; -}; - -var Context = function(doc, state, line, lookAhead) { - this.state = state; - this.doc = doc; - this.line = line; - this.maxLookAhead = lookAhead || 0; - this.baseTokens = null; - this.baseTokenPos = 1; -}; - -Context.prototype.lookAhead = function (n) { - var line = this.doc.getLine(this.line + n); - if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; } - return line -}; - -Context.prototype.baseToken = function (n) { - var this$1 = this; - - if (!this.baseTokens) { return null } - while (this.baseTokens[this.baseTokenPos] <= n) - { this$1.baseTokenPos += 2; } - var type = this.baseTokens[this.baseTokenPos + 1]; - return {type: type && type.replace(/( |^)overlay .*/, ""), - size: this.baseTokens[this.baseTokenPos] - n} -}; - -Context.prototype.nextLine = function () { - this.line++; - if (this.maxLookAhead > 0) { this.maxLookAhead--; } -}; - -Context.fromSaved = function (doc, saved, line) { - if (saved instanceof SavedContext) - { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) } - else - { return new Context(doc, copyState(doc.mode, saved), line) } -}; - -Context.prototype.save = function (copy) { - var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state; - return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state -}; - - -// Compute a style array (an array starting with a mode generation -// -- for invalidation -- followed by pairs of end positions and -// style strings), which is used to highlight the tokens on the -// line. -function highlightLine(cm, line, context, forceToEnd) { - // A styles array always starts with a number identifying the - // mode/overlays that it is based on (for easy invalidation). - var st = [cm.state.modeGen], lineClasses = {}; - // Compute the base array of styles - runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); }, - lineClasses, forceToEnd); - var state = context.state; - - // Run overlays, adjust style array. - var loop = function ( o ) { - context.baseTokens = st; - var overlay = cm.state.overlays[o], i = 1, at = 0; - context.state = true; - runMode(cm, line.text, overlay.mode, context, function (end, style) { - var start = i; - // Ensure there's a token end at the current position, and that i points at it - while (at < end) { - var i_end = st[i]; - if (i_end > end) - { st.splice(i, 1, end, st[i+1], i_end); } - i += 2; - at = Math.min(end, i_end); - } - if (!style) { return } - if (overlay.opaque) { - st.splice(start, i - start, end, "overlay " + style); - i = start + 2; - } else { - for (; start < i; start += 2) { - var cur = st[start+1]; - st[start+1] = (cur ? cur + " " : "") + "overlay " + style; + // Next, merge those two ends + var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0); + if (first) { + // Fix up .to properties of first + for (var i = 0; i < first.length; ++i) { + var span = first[i]; + if (span.to == null) { + var found = getMarkedSpanFor(last, span.marker); + if (!found) { span.to = startCh; } + else if (sameLine) { span.to = found.to == null ? null : found.to + offset; } } } - }, lineClasses); - context.state = state; - context.baseTokens = null; - context.baseTokenPos = 1; - }; - - for (var o = 0; o < cm.state.overlays.length; ++o) loop( o ); - - return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null} -} - -function getLineStyles(cm, line, updateFrontier) { - if (!line.styles || line.styles[0] != cm.state.modeGen) { - var context = getContextBefore(cm, lineNo(line)); - var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state); - var result = highlightLine(cm, line, context); - if (resetState) { context.state = resetState; } - line.stateAfter = context.save(!resetState); - line.styles = result.styles; - if (result.classes) { line.styleClasses = result.classes; } - else if (line.styleClasses) { line.styleClasses = null; } - if (updateFrontier === cm.doc.highlightFrontier) - { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); } - } - return line.styles -} - -function getContextBefore(cm, n, precise) { - var doc = cm.doc, display = cm.display; - if (!doc.mode.startState) { return new Context(doc, true, n) } - var start = findStartLine(cm, n, precise); - var saved = start > doc.first && getLine(doc, start - 1).stateAfter; - var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start); - - doc.iter(start, n, function (line) { - processLine(cm, line.text, context); - var pos = context.line; - line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null; - context.nextLine(); - }); - if (precise) { doc.modeFrontier = context.line; } - return context -} - -// Lightweight form of highlight -- proceed over this line and -// update state, but don't save a style array. Used for lines that -// aren't currently visible. -function processLine(cm, text, context, startAt) { - var mode = cm.doc.mode; - var stream = new StringStream(text, cm.options.tabSize, context); - stream.start = stream.pos = startAt || 0; - if (text == "") { callBlankLine(mode, context.state); } - while (!stream.eol()) { - readToken(mode, stream, context.state); - stream.start = stream.pos; - } -} - -function callBlankLine(mode, state) { - if (mode.blankLine) { return mode.blankLine(state) } - if (!mode.innerMode) { return } - var inner = innerMode(mode, state); - if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) } -} - -function readToken(mode, stream, state, inner) { - for (var i = 0; i < 10; i++) { - if (inner) { inner[0] = innerMode(mode, state).mode; } - var style = mode.token(stream, state); - if (stream.pos > stream.start) { return style } - } - throw new Error("Mode " + mode.name + " failed to advance stream.") -} - -var Token = function(stream, type, state) { - this.start = stream.start; this.end = stream.pos; - this.string = stream.current(); - this.type = type || null; - this.state = state; -}; - -// Utility for getTokenAt and getLineTokens -function takeToken(cm, pos, precise, asArray) { - var doc = cm.doc, mode = doc.mode, style; - pos = clipPos(doc, pos); - var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise); - var stream = new StringStream(line.text, cm.options.tabSize, context), tokens; - if (asArray) { tokens = []; } - while ((asArray || stream.pos < pos.ch) && !stream.eol()) { - stream.start = stream.pos; - style = readToken(mode, stream, context.state); - if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); } - } - return asArray ? tokens : new Token(stream, style, context.state) -} - -function extractLineClasses(type, output) { - if (type) { for (;;) { - var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/); - if (!lineClass) { break } - type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length); - var prop = lineClass[1] ? "bgClass" : "textClass"; - if (output[prop] == null) - { output[prop] = lineClass[2]; } - else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop])) - { output[prop] += " " + lineClass[2]; } - } } - return type -} - -// Run the given mode's parser over a line, calling f for each token. -function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) { - var flattenSpans = mode.flattenSpans; - if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; } - var curStart = 0, curStyle = null; - var stream = new StringStream(text, cm.options.tabSize, context), style; - var inner = cm.options.addModeClass && [null]; - if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); } - while (!stream.eol()) { - if (stream.pos > cm.options.maxHighlightLength) { - flattenSpans = false; - if (forceToEnd) { processLine(cm, text, context, stream.pos); } - stream.pos = text.length; - style = null; - } else { - style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses); } - if (inner) { - var mName = inner[0].name; - if (mName) { style = "m-" + (style ? mName + " " + style : mName); } - } - if (!flattenSpans || curStyle != style) { - while (curStart < stream.start) { - curStart = Math.min(stream.start, curStart + 5000); - f(curStart, curStyle); - } - curStyle = style; - } - stream.start = stream.pos; - } - while (curStart < stream.pos) { - // Webkit seems to refuse to render text nodes longer than 57444 - // characters, and returns inaccurate measurements in nodes - // starting around 5000 chars. - var pos = Math.min(stream.pos, curStart + 5000); - f(pos, curStyle); - curStart = pos; - } -} - -// Finds the line to start with when starting a parse. Tries to -// find a line with a stateAfter, so that it can start with a -// valid state. If that fails, it returns the line with the -// smallest indentation, which tends to need the least context to -// parse correctly. -function findStartLine(cm, n, precise) { - var minindent, minline, doc = cm.doc; - var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100); - for (var search = n; search > lim; --search) { - if (search <= doc.first) { return doc.first } - var line = getLine(doc, search - 1), after = line.stateAfter; - if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier)) - { return search } - var indented = countColumn(line.text, null, cm.options.tabSize); - if (minline == null || minindent > indented) { - minline = search - 1; - minindent = indented; - } - } - return minline -} - -function retreatFrontier(doc, n) { - doc.modeFrontier = Math.min(doc.modeFrontier, n); - if (doc.highlightFrontier < n - 10) { return } - var start = doc.first; - for (var line = n - 1; line > start; line--) { - var saved = getLine(doc, line).stateAfter; - // change is on 3 - // state on line 1 looked ahead 2 -- so saw 3 - // test 1 + 2 < 3 should cover this - if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) { - start = line + 1; - break - } - } - doc.highlightFrontier = Math.min(doc.highlightFrontier, start); -} - -// LINE DATA STRUCTURE - -// Line objects. These hold state related to a line, including -// highlighting info (the styles array). -var Line = function(text, markedSpans, estimateHeight) { - this.text = text; - attachMarkedSpans(this, markedSpans); - this.height = estimateHeight ? estimateHeight(this) : 1; -}; - -Line.prototype.lineNo = function () { return lineNo(this) }; -eventMixin(Line); - -// Change the content (text, markers) of a line. Automatically -// invalidates cached information and tries to re-estimate the -// line's height. -function updateLine(line, text, markedSpans, estimateHeight) { - line.text = text; - if (line.stateAfter) { line.stateAfter = null; } - if (line.styles) { line.styles = null; } - if (line.order != null) { line.order = null; } - detachMarkedSpans(line); - attachMarkedSpans(line, markedSpans); - var estHeight = estimateHeight ? estimateHeight(line) : 1; - if (estHeight != line.height) { updateLineHeight(line, estHeight); } -} - -// Detach a line from the document tree and its markers. -function cleanUpLine(line) { - line.parent = null; - detachMarkedSpans(line); -} - -// Convert a style as returned by a mode (either null, or a string -// containing one or more styles) to a CSS style. This is cached, -// and also looks for line-wide styles. -var styleToClassCache = {}; -var styleToClassCacheWithMode = {}; -function interpretTokenStyle(style, options) { - if (!style || /^\s*$/.test(style)) { return null } - var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache; - return cache[style] || - (cache[style] = style.replace(/\S+/g, "cm-$&")) -} - -// Render the DOM representation of the text of a line. Also builds -// up a 'line map', which points at the DOM nodes that represent -// specific stretches of text, and is used by the measuring code. -// The returned object contains the DOM node, this map, and -// information about line-wide styles that were set by the mode. -function buildLineContent(cm, lineView) { - // The padding-right forces the element to have a 'border', which - // is needed on Webkit to be able to get line-level bounding - // rectangles for it (in measureChar). - var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null); - var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content, - col: 0, pos: 0, cm: cm, - trailingSpace: false, - splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")}; - lineView.measure = {}; - - // Iterate over the logical lines that make up this visual line. - for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) { - var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0); - builder.pos = 0; - builder.addToken = buildToken; - // Optionally wire in some hacks into the token-rendering - // algorithm, to deal with browser quirks. - if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction))) - { builder.addToken = buildTokenBadBidi(builder.addToken, order); } - builder.map = []; - var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line); - insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)); - if (line.styleClasses) { - if (line.styleClasses.bgClass) - { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); } - if (line.styleClasses.textClass) - { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); } - } - - // Ensure at least a single node is present, for measuring. - if (builder.map.length == 0) - { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); } - - // Store the map and a cache object for the current logical line - if (i == 0) { - lineView.measure.map = builder.map; - lineView.measure.cache = {}; - } else { - (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map) - ;(lineView.measure.caches || (lineView.measure.caches = [])).push({}); - } - } - - // See issue #2901 - if (webkit) { - var last = builder.content.lastChild; - if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab"))) - { builder.content.className = "cm-tab-wrap-hack"; } - } - - signal(cm, "renderLine", cm, lineView.line, builder.pre); - if (builder.pre.className) - { builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); } - - return builder -} - -function defaultSpecialCharPlaceholder(ch) { - var token = elt("span", "\u2022", "cm-invalidchar"); - token.title = "\\u" + ch.charCodeAt(0).toString(16); - token.setAttribute("aria-label", token.title); - return token -} - -// Build up the DOM representation for a single token, and add it to -// the line map. Takes care to render special characters separately. -function buildToken(builder, text, style, startStyle, endStyle, title, css) { - if (!text) { return } - var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text; - var special = builder.cm.state.specialChars, mustWrap = false; - var content; - if (!special.test(text)) { - builder.col += text.length; - content = document.createTextNode(displayText); - builder.map.push(builder.pos, builder.pos + text.length, content); - if (ie && ie_version < 9) { mustWrap = true; } - builder.pos += text.length; - } else { - content = document.createDocumentFragment(); - var pos = 0; - while (true) { - special.lastIndex = pos; - var m = special.exec(text); - var skipped = m ? m.index - pos : text.length - pos; - if (skipped) { - var txt = document.createTextNode(displayText.slice(pos, pos + skipped)); - if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])); } - else { content.appendChild(txt); } - builder.map.push(builder.pos, builder.pos + skipped, txt); - builder.col += skipped; - builder.pos += skipped; - } - if (!m) { break } - pos += skipped + 1; - var txt$1 = (void 0); - if (m[0] == "\t") { - var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; - txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); - txt$1.setAttribute("role", "presentation"); - txt$1.setAttribute("cm-text", "\t"); - builder.col += tabWidth; - } else if (m[0] == "\r" || m[0] == "\n") { - txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")); - txt$1.setAttribute("cm-text", m[0]); - builder.col += 1; - } else { - txt$1 = builder.cm.options.specialCharPlaceholder(m[0]); - txt$1.setAttribute("cm-text", m[0]); - if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])); } - else { content.appendChild(txt$1); } - builder.col += 1; - } - builder.map.push(builder.pos, builder.pos + 1, txt$1); - builder.pos++; - } - } - builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32; - if (style || startStyle || endStyle || mustWrap || css) { - var fullStyle = style || ""; - if (startStyle) { fullStyle += startStyle; } - if (endStyle) { fullStyle += endStyle; } - var token = elt("span", [content], fullStyle, css); - if (title) { token.title = title; } - return builder.content.appendChild(token) - } - builder.content.appendChild(content); -} - -function splitSpaces(text, trailingBefore) { - if (text.length > 1 && !/ /.test(text)) { return text } - var spaceBefore = trailingBefore, result = ""; - for (var i = 0; i < text.length; i++) { - var ch = text.charAt(i); - if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32)) - { ch = "\u00a0"; } - result += ch; - spaceBefore = ch == " "; - } - return result -} - -// Work around nonsense dimensions being reported for stretches of -// right-to-left text. -function buildTokenBadBidi(inner, order) { - return function (builder, text, style, startStyle, endStyle, title, css) { - style = style ? style + " cm-force-border" : "cm-force-border"; - var start = builder.pos, end = start + text.length; - for (;;) { - // Find the part that overlaps with the start of this text - var part = (void 0); - for (var i = 0; i < order.length; i++) { - part = order[i]; - if (part.to > start && part.from <= start) { break } - } - if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, title, css) } - inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css); - startStyle = null; - text = text.slice(part.to - start); - start = part.to; - } - } -} - -function buildCollapsedSpan(builder, size, marker, ignoreWidget) { - var widget = !ignoreWidget && marker.widgetNode; - if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); } - if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { - if (!widget) - { widget = builder.content.appendChild(document.createElement("span")); } - widget.setAttribute("cm-marker", marker.id); - } - if (widget) { - builder.cm.display.input.setUneditable(widget); - builder.content.appendChild(widget); - } - builder.pos += size; - builder.trailingSpace = false; -} - -// Outputs a number of spans to make up a line, taking highlighting -// and marked text into account. -function insertLineContent(line, builder, styles) { - var spans = line.markedSpans, allText = line.text, at = 0; - if (!spans) { - for (var i$1 = 1; i$1 < styles.length; i$1+=2) - { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); } - return - } - - var len = allText.length, pos = 0, i = 1, text = "", style, css; - var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed; - for (;;) { - if (nextChange == pos) { // Update current marker set - spanStyle = spanEndStyle = spanStartStyle = title = css = ""; - collapsed = null; nextChange = Infinity; - var foundBookmarks = [], endStyles = (void 0); - for (var j = 0; j < spans.length; ++j) { - var sp = spans[j], m = sp.marker; - if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { - foundBookmarks.push(m); - } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { - if (sp.to != null && sp.to != pos && nextChange > sp.to) { - nextChange = sp.to; - spanEndStyle = ""; + if (last) { + // Fix up .from in last (or move them into first in case of sameLine) + for (var i$1 = 0; i$1 < last.length; ++i$1) { + var span$1 = last[i$1]; + if (span$1.to != null) { span$1.to += offset; } + if (span$1.from == null) { + var found$1 = getMarkedSpanFor(first, span$1.marker); + if (!found$1) { + span$1.from = offset; + if (sameLine) { (first || (first = [])).push(span$1); } } - if (m.className) { spanStyle += " " + m.className; } - if (m.css) { css = (css ? css + ";" : "") + m.css; } - if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle; } - if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); } - if (m.title && !title) { title = m.title; } - if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) - { collapsed = sp; } - } else if (sp.from > pos && nextChange > sp.from) { - nextChange = sp.from; - } - } - if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2) - { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1]; } } } - - if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2) - { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } } - if (collapsed && (collapsed.from || 0) == pos) { - buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, - collapsed.marker, collapsed.from == null); - if (collapsed.to == null) { return } - if (collapsed.to == pos) { collapsed = false; } - } - } - if (pos >= len) { break } - - var upto = Math.min(len, nextChange); - while (true) { - if (text) { - var end = pos + text.length; - if (!collapsed) { - var tokenText = end > upto ? text.slice(0, upto - pos) : text; - builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, - spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css); - } - if (end >= upto) {text = text.slice(upto - pos); pos = upto; break} - pos = end; - spanStartStyle = ""; - } - text = allText.slice(at, at = styles[i++]); - style = interpretTokenStyle(styles[i++], builder.cm.options); - } - } -} - - -// These objects are used to represent the visible (currently drawn) -// part of the document. A LineView may correspond to multiple -// logical lines, if those are connected by collapsed ranges. -function LineView(doc, line, lineN) { - // The starting line - this.line = line; - // Continuing lines, if any - this.rest = visualLineContinued(line); - // Number of logical lines in this visual line - this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1; - this.node = this.text = null; - this.hidden = lineIsHidden(doc, line); -} - -// Create a range of LineView objects for the given lines. -function buildViewArray(cm, from, to) { - var array = [], nextPos; - for (var pos = from; pos < to; pos = nextPos) { - var view = new LineView(cm.doc, getLine(cm.doc, pos), pos); - nextPos = pos + view.size; - array.push(view); - } - return array -} - -var operationGroup = null; - -function pushOperation(op) { - if (operationGroup) { - operationGroup.ops.push(op); - } else { - op.ownsGroup = operationGroup = { - ops: [op], - delayedCallbacks: [] - }; - } -} - -function fireCallbacksForOps(group) { - // Calls delayed callbacks and cursorActivity handlers until no - // new ones appear - var callbacks = group.delayedCallbacks, i = 0; - do { - for (; i < callbacks.length; i++) - { callbacks[i].call(null); } - for (var j = 0; j < group.ops.length; j++) { - var op = group.ops[j]; - if (op.cursorActivityHandlers) - { while (op.cursorActivityCalled < op.cursorActivityHandlers.length) - { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } } - } - } while (i < callbacks.length) -} - -function finishOperation(op, endCb) { - var group = op.ownsGroup; - if (!group) { return } - - try { fireCallbacksForOps(group); } - finally { - operationGroup = null; - endCb(group); - } -} - -var orphanDelayedCallbacks = null; - -// Often, we want to signal events at a point where we are in the -// middle of some work, but don't want the handler to start calling -// other methods on the editor, which might be in an inconsistent -// state or simply not expect any other events to happen. -// signalLater looks whether there are any handlers, and schedules -// them to be executed when the last operation ends, or, if no -// operation is active, when a timeout fires. -function signalLater(emitter, type /*, values...*/) { - var arr = getHandlers(emitter, type); - if (!arr.length) { return } - var args = Array.prototype.slice.call(arguments, 2), list; - if (operationGroup) { - list = operationGroup.delayedCallbacks; - } else if (orphanDelayedCallbacks) { - list = orphanDelayedCallbacks; - } else { - list = orphanDelayedCallbacks = []; - setTimeout(fireOrphanDelayed, 0); - } - var loop = function ( i ) { - list.push(function () { return arr[i].apply(null, args); }); - }; - - for (var i = 0; i < arr.length; ++i) - loop( i ); -} - -function fireOrphanDelayed() { - var delayed = orphanDelayedCallbacks; - orphanDelayedCallbacks = null; - for (var i = 0; i < delayed.length; ++i) { delayed[i](); } -} - -// When an aspect of a line changes, a string is added to -// lineView.changes. This updates the relevant part of the line's -// DOM structure. -function updateLineForChanges(cm, lineView, lineN, dims) { - for (var j = 0; j < lineView.changes.length; j++) { - var type = lineView.changes[j]; - if (type == "text") { updateLineText(cm, lineView); } - else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims); } - else if (type == "class") { updateLineClasses(cm, lineView); } - else if (type == "widget") { updateLineWidgets(cm, lineView, dims); } - } - lineView.changes = null; -} - -// Lines with gutter elements, widgets or a background class need to -// be wrapped, and have the extra elements added to the wrapper div -function ensureLineWrapped(lineView) { - if (lineView.node == lineView.text) { - lineView.node = elt("div", null, null, "position: relative"); - if (lineView.text.parentNode) - { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); } - lineView.node.appendChild(lineView.text); - if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; } - } - return lineView.node -} - -function updateLineBackground(cm, lineView) { - var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass; - if (cls) { cls += " CodeMirror-linebackground"; } - if (lineView.background) { - if (cls) { lineView.background.className = cls; } - else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; } - } else if (cls) { - var wrap = ensureLineWrapped(lineView); - lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild); - cm.display.input.setUneditable(lineView.background); - } -} - -// Wrapper around buildLineContent which will reuse the structure -// in display.externalMeasured when possible. -function getLineContent(cm, lineView) { - var ext = cm.display.externalMeasured; - if (ext && ext.line == lineView.line) { - cm.display.externalMeasured = null; - lineView.measure = ext.measure; - return ext.built - } - return buildLineContent(cm, lineView) -} - -// Redraw the line's text. Interacts with the background and text -// classes because the mode may output tokens that influence these -// classes. -function updateLineText(cm, lineView) { - var cls = lineView.text.className; - var built = getLineContent(cm, lineView); - if (lineView.text == lineView.node) { lineView.node = built.pre; } - lineView.text.parentNode.replaceChild(built.pre, lineView.text); - lineView.text = built.pre; - if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) { - lineView.bgClass = built.bgClass; - lineView.textClass = built.textClass; - updateLineClasses(cm, lineView); - } else if (cls) { - lineView.text.className = cls; - } -} - -function updateLineClasses(cm, lineView) { - updateLineBackground(cm, lineView); - if (lineView.line.wrapClass) - { ensureLineWrapped(lineView).className = lineView.line.wrapClass; } - else if (lineView.node != lineView.text) - { lineView.node.className = ""; } - var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass; - lineView.text.className = textClass || ""; -} - -function updateLineGutter(cm, lineView, lineN, dims) { - if (lineView.gutter) { - lineView.node.removeChild(lineView.gutter); - lineView.gutter = null; - } - if (lineView.gutterBackground) { - lineView.node.removeChild(lineView.gutterBackground); - lineView.gutterBackground = null; - } - if (lineView.line.gutterClass) { - var wrap = ensureLineWrapped(lineView); - lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, - ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px")); - cm.display.input.setUneditable(lineView.gutterBackground); - wrap.insertBefore(lineView.gutterBackground, lineView.text); - } - var markers = lineView.line.gutterMarkers; - if (cm.options.lineNumbers || markers) { - var wrap$1 = ensureLineWrapped(lineView); - var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px")); - cm.display.input.setUneditable(gutterWrap); - wrap$1.insertBefore(gutterWrap, lineView.text); - if (lineView.line.gutterClass) - { gutterWrap.className += " " + lineView.line.gutterClass; } - if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) - { lineView.lineNumber = gutterWrap.appendChild( - elt("div", lineNumberFor(cm.options, lineN), - "CodeMirror-linenumber CodeMirror-gutter-elt", - ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))); } - if (markers) { for (var k = 0; k < cm.options.gutters.length; ++k) { - var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id]; - if (found) - { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", - ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))); } - } } - } -} - -function updateLineWidgets(cm, lineView, dims) { - if (lineView.alignable) { lineView.alignable = null; } - for (var node = lineView.node.firstChild, next = (void 0); node; node = next) { - next = node.nextSibling; - if (node.className == "CodeMirror-linewidget") - { lineView.node.removeChild(node); } - } - insertLineWidgets(cm, lineView, dims); -} - -// Build a line's DOM representation from scratch -function buildLineElement(cm, lineView, lineN, dims) { - var built = getLineContent(cm, lineView); - lineView.text = lineView.node = built.pre; - if (built.bgClass) { lineView.bgClass = built.bgClass; } - if (built.textClass) { lineView.textClass = built.textClass; } - - updateLineClasses(cm, lineView); - updateLineGutter(cm, lineView, lineN, dims); - insertLineWidgets(cm, lineView, dims); - return lineView.node -} - -// A lineView may contain multiple logical lines (when merged by -// collapsed spans). The widgets for all of them need to be drawn. -function insertLineWidgets(cm, lineView, dims) { - insertLineWidgetsFor(cm, lineView.line, lineView, dims, true); - if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) - { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } } -} - -function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) { - if (!line.widgets) { return } - var wrap = ensureLineWrapped(lineView); - for (var i = 0, ws = line.widgets; i < ws.length; ++i) { - var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget"); - if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true"); } - positionLineWidget(widget, node, lineView, dims); - cm.display.input.setUneditable(node); - if (allowAbove && widget.above) - { wrap.insertBefore(node, lineView.gutter || lineView.text); } - else - { wrap.appendChild(node); } - signalLater(widget, "redraw"); - } -} - -function positionLineWidget(widget, node, lineView, dims) { - if (widget.noHScroll) { - (lineView.alignable || (lineView.alignable = [])).push(node); - var width = dims.wrapperWidth; - node.style.left = dims.fixedPos + "px"; - if (!widget.coverGutter) { - width -= dims.gutterTotalWidth; - node.style.paddingLeft = dims.gutterTotalWidth + "px"; - } - node.style.width = width + "px"; - } - if (widget.coverGutter) { - node.style.zIndex = 5; - node.style.position = "relative"; - if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px"; } - } -} - -function widgetHeight(widget) { - if (widget.height != null) { return widget.height } - var cm = widget.doc.cm; - if (!cm) { return 0 } - if (!contains(document.body, widget.node)) { - var parentStyle = "position: relative;"; - if (widget.coverGutter) - { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; } - if (widget.noHScroll) - { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; } - removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)); - } - return widget.height = widget.node.parentNode.offsetHeight -} - -// Return true when the given mouse event happened in a widget -function eventInWidget(display, e) { - for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { - if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || - (n.parentNode == display.sizer && n != display.mover)) - { return true } - } -} - -// POSITION MEASUREMENT - -function paddingTop(display) {return display.lineSpace.offsetTop} -function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight} -function paddingH(display) { - if (display.cachedPaddingH) { return display.cachedPaddingH } - var e = removeChildrenAndAdd(display.measure, elt("pre", "x")); - var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle; - var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)}; - if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; } - return data -} - -function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth } -function displayWidth(cm) { - return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth -} -function displayHeight(cm) { - return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight -} - -// Ensure the lineView.wrapping.heights array is populated. This is -// an array of bottom offsets for the lines that make up a drawn -// line. When lineWrapping is on, there might be more than one -// height. -function ensureLineHeights(cm, lineView, rect) { - var wrapping = cm.options.lineWrapping; - var curWidth = wrapping && displayWidth(cm); - if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) { - var heights = lineView.measure.heights = []; - if (wrapping) { - lineView.measure.width = curWidth; - var rects = lineView.text.firstChild.getClientRects(); - for (var i = 0; i < rects.length - 1; i++) { - var cur = rects[i], next = rects[i + 1]; - if (Math.abs(cur.bottom - next.bottom) > 2) - { heights.push((cur.bottom + next.top) / 2 - rect.top); } - } - } - heights.push(rect.bottom - rect.top); - } -} - -// Find a line map (mapping character offsets to text nodes) and a -// measurement cache for the given line number. (A line view might -// contain multiple lines when collapsed ranges are present.) -function mapFromLineView(lineView, line, lineN) { - if (lineView.line == line) - { return {map: lineView.measure.map, cache: lineView.measure.cache} } - for (var i = 0; i < lineView.rest.length; i++) - { if (lineView.rest[i] == line) - { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } } - for (var i$1 = 0; i$1 < lineView.rest.length; i$1++) - { if (lineNo(lineView.rest[i$1]) > lineN) - { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } } -} - -// Render a line into the hidden node display.externalMeasured. Used -// when measurement is needed for a line that's not in the viewport. -function updateExternalMeasurement(cm, line) { - line = visualLine(line); - var lineN = lineNo(line); - var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN); - view.lineN = lineN; - var built = view.built = buildLineContent(cm, view); - view.text = built.pre; - removeChildrenAndAdd(cm.display.lineMeasure, built.pre); - return view -} - -// Get a {top, bottom, left, right} box (in line-local coordinates) -// for a given character. -function measureChar(cm, line, ch, bias) { - return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias) -} - -// Find a line view that corresponds to the given line number. -function findViewForLine(cm, lineN) { - if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo) - { return cm.display.view[findViewIndex(cm, lineN)] } - var ext = cm.display.externalMeasured; - if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) - { return ext } -} - -// Measurement can be split in two steps, the set-up work that -// applies to the whole line, and the measurement of the actual -// character. Functions like coordsChar, that need to do a lot of -// measurements in a row, can thus ensure that the set-up work is -// only done once. -function prepareMeasureForLine(cm, line) { - var lineN = lineNo(line); - var view = findViewForLine(cm, lineN); - if (view && !view.text) { - view = null; - } else if (view && view.changes) { - updateLineForChanges(cm, view, lineN, getDimensions(cm)); - cm.curOp.forceUpdate = true; - } - if (!view) - { view = updateExternalMeasurement(cm, line); } - - var info = mapFromLineView(view, line, lineN); - return { - line: line, view: view, rect: null, - map: info.map, cache: info.cache, before: info.before, - hasHeights: false - } -} - -// Given a prepared measurement object, measures the position of an -// actual character (or fetches it from the cache). -function measureCharPrepared(cm, prepared, ch, bias, varHeight) { - if (prepared.before) { ch = -1; } - var key = ch + (bias || ""), found; - if (prepared.cache.hasOwnProperty(key)) { - found = prepared.cache[key]; - } else { - if (!prepared.rect) - { prepared.rect = prepared.view.text.getBoundingClientRect(); } - if (!prepared.hasHeights) { - ensureLineHeights(cm, prepared.view, prepared.rect); - prepared.hasHeights = true; - } - found = measureCharInner(cm, prepared, ch, bias); - if (!found.bogus) { prepared.cache[key] = found; } - } - return {left: found.left, right: found.right, - top: varHeight ? found.rtop : found.top, - bottom: varHeight ? found.rbottom : found.bottom} -} - -var nullRect = {left: 0, right: 0, top: 0, bottom: 0}; - -function nodeAndOffsetInLineMap(map$$1, ch, bias) { - var node, start, end, collapse, mStart, mEnd; - // First, search the line map for the text node corresponding to, - // or closest to, the target character. - for (var i = 0; i < map$$1.length; i += 3) { - mStart = map$$1[i]; - mEnd = map$$1[i + 1]; - if (ch < mStart) { - start = 0; end = 1; - collapse = "left"; - } else if (ch < mEnd) { - start = ch - mStart; - end = start + 1; - } else if (i == map$$1.length - 3 || ch == mEnd && map$$1[i + 3] > ch) { - end = mEnd - mStart; - start = end - 1; - if (ch >= mEnd) { collapse = "right"; } - } - if (start != null) { - node = map$$1[i + 2]; - if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right")) - { collapse = bias; } - if (bias == "left" && start == 0) - { while (i && map$$1[i - 2] == map$$1[i - 3] && map$$1[i - 1].insertLeft) { - node = map$$1[(i -= 3) + 2]; - collapse = "left"; - } } - if (bias == "right" && start == mEnd - mStart) - { while (i < map$$1.length - 3 && map$$1[i + 3] == map$$1[i + 4] && !map$$1[i + 5].insertLeft) { - node = map$$1[(i += 3) + 2]; - collapse = "right"; - } } - break - } - } - return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd} -} - -function getUsefulRect(rects, bias) { - var rect = nullRect; - if (bias == "left") { for (var i = 0; i < rects.length; i++) { - if ((rect = rects[i]).left != rect.right) { break } - } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) { - if ((rect = rects[i$1]).left != rect.right) { break } - } } - return rect -} - -function measureCharInner(cm, prepared, ch, bias) { - var place = nodeAndOffsetInLineMap(prepared.map, ch, bias); - var node = place.node, start = place.start, end = place.end, collapse = place.collapse; - - var rect; - if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates. - for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned - while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; } - while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; } - if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) - { rect = node.parentNode.getBoundingClientRect(); } - else - { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); } - if (rect.left || rect.right || start == 0) { break } - end = start; - start = start - 1; - collapse = "right"; - } - if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); } - } else { // If it is a widget, simply get the box for the whole widget. - if (start > 0) { collapse = bias = "right"; } - var rects; - if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1) - { rect = rects[bias == "right" ? rects.length - 1 : 0]; } - else - { rect = node.getBoundingClientRect(); } - } - if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) { - var rSpan = node.parentNode.getClientRects()[0]; - if (rSpan) - { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; } - else - { rect = nullRect; } - } - - var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top; - var mid = (rtop + rbot) / 2; - var heights = prepared.view.measure.heights; - var i = 0; - for (; i < heights.length - 1; i++) - { if (mid < heights[i]) { break } } - var top = i ? heights[i - 1] : 0, bot = heights[i]; - var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left, - right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left, - top: top, bottom: bot}; - if (!rect.left && !rect.right) { result.bogus = true; } - if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; } - - return result -} - -// Work around problem with bounding client rects on ranges being -// returned incorrectly when zoomed on IE10 and below. -function maybeUpdateRectForZooming(measure, rect) { - if (!window.screen || screen.logicalXDPI == null || - screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure)) - { return rect } - var scaleX = screen.logicalXDPI / screen.deviceXDPI; - var scaleY = screen.logicalYDPI / screen.deviceYDPI; - return {left: rect.left * scaleX, right: rect.right * scaleX, - top: rect.top * scaleY, bottom: rect.bottom * scaleY} -} - -function clearLineMeasurementCacheFor(lineView) { - if (lineView.measure) { - lineView.measure.cache = {}; - lineView.measure.heights = null; - if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) - { lineView.measure.caches[i] = {}; } } - } -} - -function clearLineMeasurementCache(cm) { - cm.display.externalMeasure = null; - removeChildren(cm.display.lineMeasure); - for (var i = 0; i < cm.display.view.length; i++) - { clearLineMeasurementCacheFor(cm.display.view[i]); } -} - -function clearCaches(cm) { - clearLineMeasurementCache(cm); - cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null; - if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; } - cm.display.lineNumChars = null; -} - -function pageScrollX() { - // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206 - // which causes page_Offset and bounding client rects to use - // different reference viewports and invalidate our calculations. - if (chrome && android) { return -(document.body.getBoundingClientRect().left - parseInt(getComputedStyle(document.body).marginLeft)) } - return window.pageXOffset || (document.documentElement || document.body).scrollLeft -} -function pageScrollY() { - if (chrome && android) { return -(document.body.getBoundingClientRect().top - parseInt(getComputedStyle(document.body).marginTop)) } - return window.pageYOffset || (document.documentElement || document.body).scrollTop -} - -function widgetTopHeight(lineObj) { - var height = 0; - if (lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above) - { height += widgetHeight(lineObj.widgets[i]); } } } - return height -} - -// Converts a {top, bottom, left, right} box from line-local -// coordinates into another coordinate system. Context may be one of -// "line", "div" (display.lineDiv), "local"./null (editor), "window", -// or "page". -function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) { - if (!includeWidgets) { - var height = widgetTopHeight(lineObj); - rect.top += height; rect.bottom += height; - } - if (context == "line") { return rect } - if (!context) { context = "local"; } - var yOff = heightAtLine(lineObj); - if (context == "local") { yOff += paddingTop(cm.display); } - else { yOff -= cm.display.viewOffset; } - if (context == "page" || context == "window") { - var lOff = cm.display.lineSpace.getBoundingClientRect(); - yOff += lOff.top + (context == "window" ? 0 : pageScrollY()); - var xOff = lOff.left + (context == "window" ? 0 : pageScrollX()); - rect.left += xOff; rect.right += xOff; - } - rect.top += yOff; rect.bottom += yOff; - return rect -} - -// Coverts a box from "div" coords to another coordinate system. -// Context may be "window", "page", "div", or "local"./null. -function fromCoordSystem(cm, coords, context) { - if (context == "div") { return coords } - var left = coords.left, top = coords.top; - // First move into "page" coordinate system - if (context == "page") { - left -= pageScrollX(); - top -= pageScrollY(); - } else if (context == "local" || !context) { - var localBox = cm.display.sizer.getBoundingClientRect(); - left += localBox.left; - top += localBox.top; - } - - var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect(); - return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top} -} - -function charCoords(cm, pos, context, lineObj, bias) { - if (!lineObj) { lineObj = getLine(cm.doc, pos.line); } - return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context) -} - -// Returns a box for a given cursor position, which may have an -// 'other' property containing the position of the secondary cursor -// on a bidi boundary. -// A cursor Pos(line, char, "before") is on the same visual line as `char - 1` -// and after `char - 1` in writing order of `char - 1` -// A cursor Pos(line, char, "after") is on the same visual line as `char` -// and before `char` in writing order of `char` -// Examples (upper-case letters are RTL, lower-case are LTR): -// Pos(0, 1, ...) -// before after -// ab a|b a|b -// aB a|B aB| -// Ab |Ab A|b -// AB B|A B|A -// Every position after the last character on a line is considered to stick -// to the last character on the line. -function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) { - lineObj = lineObj || getLine(cm.doc, pos.line); - if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); } - function get(ch, right) { - var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight); - if (right) { m.left = m.right; } else { m.right = m.left; } - return intoCoordSystem(cm, lineObj, m, context) - } - var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky; - if (ch >= lineObj.text.length) { - ch = lineObj.text.length; - sticky = "before"; - } else if (ch <= 0) { - ch = 0; - sticky = "after"; - } - if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") } - - function getBidi(ch, partPos, invert) { - var part = order[partPos], right = part.level == 1; - return get(invert ? ch - 1 : ch, right != invert) - } - var partPos = getBidiPartAt(order, ch, sticky); - var other = bidiOther; - var val = getBidi(ch, partPos, sticky == "before"); - if (other != null) { val.other = getBidi(ch, other, sticky != "before"); } - return val -} - -// Used to cheaply estimate the coordinates for a position. Used for -// intermediate scroll updates. -function estimateCoords(cm, pos) { - var left = 0; - pos = clipPos(cm.doc, pos); - if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; } - var lineObj = getLine(cm.doc, pos.line); - var top = heightAtLine(lineObj) + paddingTop(cm.display); - return {left: left, right: left, top: top, bottom: top + lineObj.height} -} - -// Positions returned by coordsChar contain some extra information. -// xRel is the relative x position of the input coordinates compared -// to the found position (so xRel > 0 means the coordinates are to -// the right of the character position, for example). When outside -// is true, that means the coordinates lie outside the line's -// vertical range. -function PosWithInfo(line, ch, sticky, outside, xRel) { - var pos = Pos(line, ch, sticky); - pos.xRel = xRel; - if (outside) { pos.outside = true; } - return pos -} - -// Compute the character position closest to the given coordinates. -// Input must be lineSpace-local ("div" coordinate system). -function coordsChar(cm, x, y) { - var doc = cm.doc; - y += cm.display.viewOffset; - if (y < 0) { return PosWithInfo(doc.first, 0, null, true, -1) } - var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1; - if (lineN > last) - { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, true, 1) } - if (x < 0) { x = 0; } - - var lineObj = getLine(doc, lineN); - for (;;) { - var found = coordsCharInner(cm, lineObj, lineN, x, y); - var collapsed = collapsedSpanAround(lineObj, found.ch + (found.xRel > 0 ? 1 : 0)); - if (!collapsed) { return found } - var rangeEnd = collapsed.find(1); - if (rangeEnd.line == lineN) { return rangeEnd } - lineObj = getLine(doc, lineN = rangeEnd.line); - } -} - -function wrappedLineExtent(cm, lineObj, preparedMeasure, y) { - y -= widgetTopHeight(lineObj); - var end = lineObj.text.length; - var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0); - end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end); - return {begin: begin, end: end} -} - -function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) { - if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); } - var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top; - return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop) -} - -// Returns true if the given side of a box is after the given -// coordinates, in top-to-bottom, left-to-right order. -function boxIsAfter(box, x, y, left) { - return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x -} - -function coordsCharInner(cm, lineObj, lineNo$$1, x, y) { - // Move y into line-local coordinate space - y -= heightAtLine(lineObj); - var preparedMeasure = prepareMeasureForLine(cm, lineObj); - // When directly calling `measureCharPrepared`, we have to adjust - // for the widgets at this line. - var widgetHeight$$1 = widgetTopHeight(lineObj); - var begin = 0, end = lineObj.text.length, ltr = true; - - var order = getOrder(lineObj, cm.doc.direction); - // If the line isn't plain left-to-right text, first figure out - // which bidi section the coordinates fall into. - if (order) { - var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart) - (cm, lineObj, lineNo$$1, preparedMeasure, order, x, y); - ltr = part.level != 1; - // The awkward -1 offsets are needed because findFirst (called - // on these below) will treat its first bound as inclusive, - // second as exclusive, but we want to actually address the - // characters in the part's range - begin = ltr ? part.from : part.to - 1; - end = ltr ? part.to : part.from - 1; - } - - // A binary search to find the first character whose bounding box - // starts after the coordinates. If we run across any whose box wrap - // the coordinates, store that. - var chAround = null, boxAround = null; - var ch = findFirst(function (ch) { - var box = measureCharPrepared(cm, preparedMeasure, ch); - box.top += widgetHeight$$1; box.bottom += widgetHeight$$1; - if (!boxIsAfter(box, x, y, false)) { return false } - if (box.top <= y && box.left <= x) { - chAround = ch; - boxAround = box; - } - return true - }, begin, end); - - var baseX, sticky, outside = false; - // If a box around the coordinates was found, use that - if (boxAround) { - // Distinguish coordinates nearer to the left or right side of the box - var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr; - ch = chAround + (atStart ? 0 : 1); - sticky = atStart ? "after" : "before"; - baseX = atLeft ? boxAround.left : boxAround.right; - } else { - // (Adjust for extended bound, if necessary.) - if (!ltr && (ch == end || ch == begin)) { ch++; } - // To determine which side to associate with, get the box to the - // left of the character and compare it's vertical position to the - // coordinates - sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" : - (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight$$1 <= y) == ltr ? - "after" : "before"; - // Now get accurate coordinates for this place, in order to get a - // base X position - var coords = cursorCoords(cm, Pos(lineNo$$1, ch, sticky), "line", lineObj, preparedMeasure); - baseX = coords.left; - outside = y < coords.top || y >= coords.bottom; - } - - ch = skipExtendingChars(lineObj.text, ch, 1); - return PosWithInfo(lineNo$$1, ch, sticky, outside, x - baseX) -} - -function coordsBidiPart(cm, lineObj, lineNo$$1, preparedMeasure, order, x, y) { - // Bidi parts are sorted left-to-right, and in a non-line-wrapping - // situation, we can take this ordering to correspond to the visual - // ordering. This finds the first part whose end is after the given - // coordinates. - var index = findFirst(function (i) { - var part = order[i], ltr = part.level != 1; - return boxIsAfter(cursorCoords(cm, Pos(lineNo$$1, ltr ? part.to : part.from, ltr ? "before" : "after"), - "line", lineObj, preparedMeasure), x, y, true) - }, 0, order.length - 1); - var part = order[index]; - // If this isn't the first part, the part's start is also after - // the coordinates, and the coordinates aren't on the same line as - // that start, move one part back. - if (index > 0) { - var ltr = part.level != 1; - var start = cursorCoords(cm, Pos(lineNo$$1, ltr ? part.from : part.to, ltr ? "after" : "before"), - "line", lineObj, preparedMeasure); - if (boxIsAfter(start, x, y, true) && start.top > y) - { part = order[index - 1]; } - } - return part -} - -function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) { - // In a wrapped line, rtl text on wrapping boundaries can do things - // that don't correspond to the ordering in our `order` array at - // all, so a binary search doesn't work, and we want to return a - // part that only spans one line so that the binary search in - // coordsCharInner is safe. As such, we first find the extent of the - // wrapped line, and then do a flat search in which we discard any - // spans that aren't on the line. - var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y); - var begin = ref.begin; - var end = ref.end; - if (/\s/.test(lineObj.text.charAt(end - 1))) { end--; } - var part = null, closestDist = null; - for (var i = 0; i < order.length; i++) { - var p = order[i]; - if (p.from >= end || p.to <= begin) { continue } - var ltr = p.level != 1; - var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right; - // Weigh against spans ending before this, so that they are only - // picked if nothing ends after - var dist = endX < x ? x - endX + 1e9 : endX - x; - if (!part || closestDist > dist) { - part = p; - closestDist = dist; - } - } - if (!part) { part = order[order.length - 1]; } - // Clip the part to the wrapped line. - if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; } - if (part.to > end) { part = {from: part.from, to: end, level: part.level}; } - return part -} - -var measureText; -// Compute the default text height. -function textHeight(display) { - if (display.cachedTextHeight != null) { return display.cachedTextHeight } - if (measureText == null) { - measureText = elt("pre"); - // Measure a bunch of lines, for browsers that compute - // fractional heights. - for (var i = 0; i < 49; ++i) { - measureText.appendChild(document.createTextNode("x")); - measureText.appendChild(elt("br")); - } - measureText.appendChild(document.createTextNode("x")); - } - removeChildrenAndAdd(display.measure, measureText); - var height = measureText.offsetHeight / 50; - if (height > 3) { display.cachedTextHeight = height; } - removeChildren(display.measure); - return height || 1 -} - -// Compute the default character width. -function charWidth(display) { - if (display.cachedCharWidth != null) { return display.cachedCharWidth } - var anchor = elt("span", "xxxxxxxxxx"); - var pre = elt("pre", [anchor]); - removeChildrenAndAdd(display.measure, pre); - var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10; - if (width > 2) { display.cachedCharWidth = width; } - return width || 10 -} - -// Do a bulk-read of the DOM positions and sizes needed to draw the -// view, so that we don't interleave reading and writing to the DOM. -function getDimensions(cm) { - var d = cm.display, left = {}, width = {}; - var gutterLeft = d.gutters.clientLeft; - for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { - left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft; - width[cm.options.gutters[i]] = n.clientWidth; - } - return {fixedPos: compensateForHScroll(d), - gutterTotalWidth: d.gutters.offsetWidth, - gutterLeft: left, - gutterWidth: width, - wrapperWidth: d.wrapper.clientWidth} -} - -// Computes display.scroller.scrollLeft + display.gutters.offsetWidth, -// but using getBoundingClientRect to get a sub-pixel-accurate -// result. -function compensateForHScroll(display) { - return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left -} - -// Returns a function that estimates the height of a line, to use as -// first approximation until the line becomes visible (and is thus -// properly measurable). -function estimateHeight(cm) { - var th = textHeight(cm.display), wrapping = cm.options.lineWrapping; - var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); - return function (line) { - if (lineIsHidden(cm.doc, line)) { return 0 } - - var widgetsHeight = 0; - if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) { - if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; } - } } - - if (wrapping) - { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th } - else - { return widgetsHeight + th } - } -} - -function estimateLineHeights(cm) { - var doc = cm.doc, est = estimateHeight(cm); - doc.iter(function (line) { - var estHeight = est(line); - if (estHeight != line.height) { updateLineHeight(line, estHeight); } - }); -} - -// Given a mouse event, find the corresponding position. If liberal -// is false, it checks whether a gutter or scrollbar was clicked, -// and returns null if it was. forRect is used by rectangular -// selections, and tries to estimate a character position even for -// coordinates beyond the right of the text. -function posFromMouse(cm, e, liberal, forRect) { - var display = cm.display; - if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null } - - var x, y, space = display.lineSpace.getBoundingClientRect(); - // Fails unpredictably on IE[67] when mouse is dragged around quickly. - try { x = e.clientX - space.left; y = e.clientY - space.top; } - catch (e) { return null } - var coords = coordsChar(cm, x, y), line; - if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) { - var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length; - coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)); - } - return coords -} - -// Find the view element corresponding to a given line. Return null -// when the line isn't visible. -function findViewIndex(cm, n) { - if (n >= cm.display.viewTo) { return null } - n -= cm.display.viewFrom; - if (n < 0) { return null } - var view = cm.display.view; - for (var i = 0; i < view.length; i++) { - n -= view[i].size; - if (n < 0) { return i } - } -} - -function updateSelection(cm) { - cm.display.input.showSelection(cm.display.input.prepareSelection()); -} - -function prepareSelection(cm, primary) { - if ( primary === void 0 ) primary = true; - - var doc = cm.doc, result = {}; - var curFragment = result.cursors = document.createDocumentFragment(); - var selFragment = result.selection = document.createDocumentFragment(); - - for (var i = 0; i < doc.sel.ranges.length; i++) { - if (!primary && i == doc.sel.primIndex) { continue } - var range$$1 = doc.sel.ranges[i]; - if (range$$1.from().line >= cm.display.viewTo || range$$1.to().line < cm.display.viewFrom) { continue } - var collapsed = range$$1.empty(); - if (collapsed || cm.options.showCursorWhenSelecting) - { drawSelectionCursor(cm, range$$1.head, curFragment); } - if (!collapsed) - { drawSelectionRange(cm, range$$1, selFragment); } - } - return result -} - -// Draws a cursor for the given range -function drawSelectionCursor(cm, head, output) { - var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine); - - var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")); - cursor.style.left = pos.left + "px"; - cursor.style.top = pos.top + "px"; - cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; - - if (pos.other) { - // Secondary cursor, shown when on a 'jump' in bi-directional text - var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")); - otherCursor.style.display = ""; - otherCursor.style.left = pos.other.left + "px"; - otherCursor.style.top = pos.other.top + "px"; - otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"; - } -} - -function cmpCoords(a, b) { return a.top - b.top || a.left - b.left } - -// Draws the given range as a highlighted selection -function drawSelectionRange(cm, range$$1, output) { - var display = cm.display, doc = cm.doc; - var fragment = document.createDocumentFragment(); - var padding = paddingH(cm.display), leftSide = padding.left; - var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right; - var docLTR = doc.direction == "ltr"; - - function add(left, top, width, bottom) { - if (top < 0) { top = 0; } - top = Math.round(top); - bottom = Math.round(bottom); - fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n height: " + (bottom - top) + "px"))); - } - - function drawForLine(line, fromArg, toArg) { - var lineObj = getLine(doc, line); - var lineLen = lineObj.text.length; - var start, end; - function coords(ch, bias) { - return charCoords(cm, Pos(line, ch), "div", lineObj, bias) - } - - function wrapX(pos, dir, side) { - var extent = wrappedLineExtentChar(cm, lineObj, null, pos); - var prop = (dir == "ltr") == (side == "after") ? "left" : "right"; - var ch = side == "after" ? extent.begin : extent.end - (/\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1); - return coords(ch, prop)[prop] - } - - var order = getOrder(lineObj, doc.direction); - iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) { - var ltr = dir == "ltr"; - var fromPos = coords(from, ltr ? "left" : "right"); - var toPos = coords(to - 1, ltr ? "right" : "left"); - - var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen; - var first = i == 0, last = !order || i == order.length - 1; - if (toPos.top - fromPos.top <= 3) { // Single line - var openLeft = (docLTR ? openStart : openEnd) && first; - var openRight = (docLTR ? openEnd : openStart) && last; - var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left; - var right = openRight ? rightSide : (ltr ? toPos : fromPos).right; - add(left, fromPos.top, right - left, fromPos.bottom); - } else { // Multiple lines - var topLeft, topRight, botLeft, botRight; - if (ltr) { - topLeft = docLTR && openStart && first ? leftSide : fromPos.left; - topRight = docLTR ? rightSide : wrapX(from, dir, "before"); - botLeft = docLTR ? leftSide : wrapX(to, dir, "after"); - botRight = docLTR && openEnd && last ? rightSide : toPos.right; } else { - topLeft = !docLTR ? leftSide : wrapX(from, dir, "before"); - topRight = !docLTR && openStart && first ? rightSide : fromPos.right; - botLeft = !docLTR && openEnd && last ? leftSide : toPos.left; - botRight = !docLTR ? rightSide : wrapX(to, dir, "after"); + span$1.from += offset; + if (sameLine) { (first || (first = [])).push(span$1); } } - add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom); - if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); } - add(botLeft, toPos.top, botRight - botLeft, toPos.bottom); } + } + // Make sure we didn't create any zero-length spans + if (first) { first = clearEmptySpans(first); } + if (last && last != first) { last = clearEmptySpans(last); } - if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; } - if (cmpCoords(toPos, start) < 0) { start = toPos; } - if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; } - if (cmpCoords(toPos, end) < 0) { end = toPos; } + var newMarkers = [first]; + if (!sameLine) { + // Fill gap with whole-line-spans + var gap = change.text.length - 2, gapMarkers; + if (gap > 0 && first) + { for (var i$2 = 0; i$2 < first.length; ++i$2) + { if (first[i$2].to == null) + { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } } + for (var i$3 = 0; i$3 < gap; ++i$3) + { newMarkers.push(gapMarkers); } + newMarkers.push(last); + } + return newMarkers + } + + // Remove spans that are empty and don't have a clearWhenEmpty + // option of false. + function clearEmptySpans(spans) { + for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false) + { spans.splice(i--, 1); } + } + if (!spans.length) { return null } + return spans + } + + // Used to 'clip' out readOnly ranges when making a change. + function removeReadOnlyRanges(doc, from, to) { + var markers = null; + doc.iter(from.line, to.line + 1, function (line) { + if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { + var mark = line.markedSpans[i].marker; + if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) + { (markers || (markers = [])).push(mark); } + } } }); - return {start: start, end: end} - } - - var sFrom = range$$1.from(), sTo = range$$1.to(); - if (sFrom.line == sTo.line) { - drawForLine(sFrom.line, sFrom.ch, sTo.ch); - } else { - var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line); - var singleVLine = visualLine(fromLine) == visualLine(toLine); - var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end; - var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start; - if (singleVLine) { - if (leftEnd.top < rightStart.top - 2) { - add(leftEnd.right, leftEnd.top, null, leftEnd.bottom); - add(leftSide, rightStart.top, rightStart.left, rightStart.bottom); - } else { - add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom); + if (!markers) { return null } + var parts = [{from: from, to: to}]; + for (var i = 0; i < markers.length; ++i) { + var mk = markers[i], m = mk.find(0); + for (var j = 0; j < parts.length; ++j) { + var p = parts[j]; + if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue } + var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to); + if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) + { newParts.push({from: p.from, to: m.from}); } + if (dto > 0 || !mk.inclusiveRight && !dto) + { newParts.push({from: m.to, to: p.to}); } + parts.splice.apply(parts, newParts); + j += newParts.length - 3; } } - if (leftEnd.bottom < rightStart.top) - { add(leftSide, leftEnd.bottom, null, rightStart.top); } + return parts } - output.appendChild(fragment); -} + // Connect or disconnect spans from a line. + function detachMarkedSpans(line) { + var spans = line.markedSpans; + if (!spans) { return } + for (var i = 0; i < spans.length; ++i) + { spans[i].marker.detachLine(line); } + line.markedSpans = null; + } + function attachMarkedSpans(line, spans) { + if (!spans) { return } + for (var i = 0; i < spans.length; ++i) + { spans[i].marker.attachLine(line); } + line.markedSpans = spans; + } -// Cursor-blinking -function restartBlink(cm) { - if (!cm.state.focused) { return } - var display = cm.display; - clearInterval(display.blinker); - var on = true; - display.cursorDiv.style.visibility = ""; - if (cm.options.cursorBlinkRate > 0) - { display.blinker = setInterval(function () { return display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; }, - cm.options.cursorBlinkRate); } - else if (cm.options.cursorBlinkRate < 0) - { display.cursorDiv.style.visibility = "hidden"; } -} + // Helpers used when computing which overlapping collapsed span + // counts as the larger one. + function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 } + function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 } -function ensureFocus(cm) { - if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); } -} + // Returns a number indicating which of two overlapping collapsed + // spans is larger (and thus includes the other). Falls back to + // comparing ids when the spans cover exactly the same range. + function compareCollapsedMarkers(a, b) { + var lenDiff = a.lines.length - b.lines.length; + if (lenDiff != 0) { return lenDiff } + var aPos = a.find(), bPos = b.find(); + var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b); + if (fromCmp) { return -fromCmp } + var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b); + if (toCmp) { return toCmp } + return b.id - a.id + } -function delayBlurEvent(cm) { - cm.state.delayingBlurEvent = true; - setTimeout(function () { if (cm.state.delayingBlurEvent) { - cm.state.delayingBlurEvent = false; - onBlur(cm); - } }, 100); -} + // Find out whether a line ends or starts in a collapsed span. If + // so, return the marker for that span. + function collapsedSpanAtSide(line, start) { + var sps = sawCollapsedSpans && line.markedSpans, found; + if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { + sp = sps[i]; + if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && + (!found || compareCollapsedMarkers(found, sp.marker) < 0)) + { found = sp.marker; } + } } + return found + } + function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) } + function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) } -function onFocus(cm, e) { - if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false; } + function collapsedSpanAround(line, ch) { + var sps = sawCollapsedSpans && line.markedSpans, found; + if (sps) { for (var i = 0; i < sps.length; ++i) { + var sp = sps[i]; + if (sp.marker.collapsed && (sp.from == null || sp.from < ch) && (sp.to == null || sp.to > ch) && + (!found || compareCollapsedMarkers(found, sp.marker) < 0)) { found = sp.marker; } + } } + return found + } - if (cm.options.readOnly == "nocursor") { return } - if (!cm.state.focused) { - signal(cm, "focus", cm, e); - cm.state.focused = true; - addClass(cm.display.wrapper, "CodeMirror-focused"); - // This test prevents this from firing when a context - // menu is closed (since the input reset would kill the - // select-all detection hack) - if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { - cm.display.input.reset(); - if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730 + // Test whether there exists a collapsed span that partially + // overlaps (covers the start or end, but not both) of a new span. + // Such overlap is not allowed. + function conflictingCollapsedRange(doc, lineNo$$1, from, to, marker) { + var line = getLine(doc, lineNo$$1); + var sps = sawCollapsedSpans && line.markedSpans; + if (sps) { for (var i = 0; i < sps.length; ++i) { + var sp = sps[i]; + if (!sp.marker.collapsed) { continue } + var found = sp.marker.find(0); + var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); + var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); + if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue } + if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) || + fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0)) + { return true } + } } + } + + // A visual line is a line as drawn on the screen. Folding, for + // example, can cause multiple logical lines to appear on the same + // visual line. This finds the start of the visual line that the + // given line is part of (usually that is the line itself). + function visualLine(line) { + var merged; + while (merged = collapsedSpanAtStart(line)) + { line = merged.find(-1, true).line; } + return line + } + + function visualLineEnd(line) { + var merged; + while (merged = collapsedSpanAtEnd(line)) + { line = merged.find(1, true).line; } + return line + } + + // Returns an array of logical lines that continue the visual line + // started by the argument, or undefined if there are no such lines. + function visualLineContinued(line) { + var merged, lines; + while (merged = collapsedSpanAtEnd(line)) { + line = merged.find(1, true).line + ;(lines || (lines = [])).push(line); } - cm.display.input.receivedFocus(); + return lines } - restartBlink(cm); -} -function onBlur(cm, e) { - if (cm.state.delayingBlurEvent) { return } - if (cm.state.focused) { - signal(cm, "blur", cm, e); - cm.state.focused = false; - rmClass(cm.display.wrapper, "CodeMirror-focused"); + // Get the line number of the start of the visual line that the + // given line number is part of. + function visualLineNo(doc, lineN) { + var line = getLine(doc, lineN), vis = visualLine(line); + if (line == vis) { return lineN } + return lineNo(vis) } - clearInterval(cm.display.blinker); - setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150); -} -// Read the actual heights of the rendered lines, and update their -// stored heights to match. -function updateHeightsInViewport(cm) { - var display = cm.display; - var prevBottom = display.lineDiv.offsetTop; - for (var i = 0; i < display.view.length; i++) { - var cur = display.view[i], height = (void 0); - if (cur.hidden) { continue } - if (ie && ie_version < 8) { - var bot = cur.node.offsetTop + cur.node.offsetHeight; - height = bot - prevBottom; - prevBottom = bot; + // Get the line number of the start of the next visual line after + // the given line. + function visualLineEndNo(doc, lineN) { + if (lineN > doc.lastLine()) { return lineN } + var line = getLine(doc, lineN), merged; + if (!lineIsHidden(doc, line)) { return lineN } + while (merged = collapsedSpanAtEnd(line)) + { line = merged.find(1, true).line; } + return lineNo(line) + 1 + } + + // Compute whether a line is hidden. Lines count as hidden when they + // are part of a visual line that starts with another line, or when + // they are entirely covered by collapsed, non-widget span. + function lineIsHidden(doc, line) { + var sps = sawCollapsedSpans && line.markedSpans; + if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { + sp = sps[i]; + if (!sp.marker.collapsed) { continue } + if (sp.from == null) { return true } + if (sp.marker.widgetNode) { continue } + if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) + { return true } + } } + } + function lineIsHiddenInner(doc, line, span) { + if (span.to == null) { + var end = span.marker.find(1, true); + return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)) + } + if (span.marker.inclusiveRight && span.to == line.text.length) + { return true } + for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) { + sp = line.markedSpans[i]; + if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && + (sp.to == null || sp.to != span.from) && + (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && + lineIsHiddenInner(doc, line, sp)) { return true } + } + } + + // Find the height above the given line. + function heightAtLine(lineObj) { + lineObj = visualLine(lineObj); + + var h = 0, chunk = lineObj.parent; + for (var i = 0; i < chunk.lines.length; ++i) { + var line = chunk.lines[i]; + if (line == lineObj) { break } + else { h += line.height; } + } + for (var p = chunk.parent; p; chunk = p, p = chunk.parent) { + for (var i$1 = 0; i$1 < p.children.length; ++i$1) { + var cur = p.children[i$1]; + if (cur == chunk) { break } + else { h += cur.height; } + } + } + return h + } + + // Compute the character length of a line, taking into account + // collapsed ranges (see markText) that might hide parts, and join + // other lines onto it. + function lineLength(line) { + if (line.height == 0) { return 0 } + var len = line.text.length, merged, cur = line; + while (merged = collapsedSpanAtStart(cur)) { + var found = merged.find(0, true); + cur = found.from.line; + len += found.from.ch - found.to.ch; + } + cur = line; + while (merged = collapsedSpanAtEnd(cur)) { + var found$1 = merged.find(0, true); + len -= cur.text.length - found$1.from.ch; + cur = found$1.to.line; + len += cur.text.length - found$1.to.ch; + } + return len + } + + // Find the longest line in the document. + function findMaxLine(cm) { + var d = cm.display, doc = cm.doc; + d.maxLine = getLine(doc, doc.first); + d.maxLineLength = lineLength(d.maxLine); + d.maxLineChanged = true; + doc.iter(function (line) { + var len = lineLength(line); + if (len > d.maxLineLength) { + d.maxLineLength = len; + d.maxLine = line; + } + }); + } + + // BIDI HELPERS + + function iterateBidiSections(order, from, to, f) { + if (!order) { return f(from, to, "ltr", 0) } + var found = false; + for (var i = 0; i < order.length; ++i) { + var part = order[i]; + if (part.from < to && part.to > from || from == to && part.to == from) { + f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i); + found = true; + } + } + if (!found) { f(from, to, "ltr"); } + } + + var bidiOther = null; + function getBidiPartAt(order, ch, sticky) { + var found; + bidiOther = null; + for (var i = 0; i < order.length; ++i) { + var cur = order[i]; + if (cur.from < ch && cur.to > ch) { return i } + if (cur.to == ch) { + if (cur.from != cur.to && sticky == "before") { found = i; } + else { bidiOther = i; } + } + if (cur.from == ch) { + if (cur.from != cur.to && sticky != "before") { found = i; } + else { bidiOther = i; } + } + } + return found != null ? found : bidiOther + } + + // Bidirectional ordering algorithm + // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm + // that this (partially) implements. + + // One-char codes used for character types: + // L (L): Left-to-Right + // R (R): Right-to-Left + // r (AL): Right-to-Left Arabic + // 1 (EN): European Number + // + (ES): European Number Separator + // % (ET): European Number Terminator + // n (AN): Arabic Number + // , (CS): Common Number Separator + // m (NSM): Non-Spacing Mark + // b (BN): Boundary Neutral + // s (B): Paragraph Separator + // t (S): Segment Separator + // w (WS): Whitespace + // N (ON): Other Neutrals + + // Returns null if characters are ordered as they appear + // (left-to-right), or an array of sections ({from, to, level} + // objects) in the order in which they occur visually. + var bidiOrdering = (function() { + // Character types for codepoints 0 to 0xff + var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"; + // Character types for codepoints 0x600 to 0x6f9 + var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111"; + function charType(code) { + if (code <= 0xf7) { return lowTypes.charAt(code) } + else if (0x590 <= code && code <= 0x5f4) { return "R" } + else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) } + else if (0x6ee <= code && code <= 0x8ac) { return "r" } + else if (0x2000 <= code && code <= 0x200b) { return "w" } + else if (code == 0x200c) { return "b" } + else { return "L" } + } + + var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; + var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; + + function BidiSpan(level, from, to) { + this.level = level; + this.from = from; this.to = to; + } + + return function(str, direction) { + var outerType = direction == "ltr" ? "L" : "R"; + + if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false } + var len = str.length, types = []; + for (var i = 0; i < len; ++i) + { types.push(charType(str.charCodeAt(i))); } + + // W1. Examine each non-spacing mark (NSM) in the level run, and + // change the type of the NSM to the type of the previous + // character. If the NSM is at the start of the level run, it will + // get the type of sor. + for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) { + var type = types[i$1]; + if (type == "m") { types[i$1] = prev; } + else { prev = type; } + } + + // W2. Search backwards from each instance of a European number + // until the first strong type (R, L, AL, or sor) is found. If an + // AL is found, change the type of the European number to Arabic + // number. + // W3. Change all ALs to R. + for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) { + var type$1 = types[i$2]; + if (type$1 == "1" && cur == "r") { types[i$2] = "n"; } + else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } } + } + + // W4. A single European separator between two European numbers + // changes to a European number. A single common separator between + // two numbers of the same type changes to that type. + for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) { + var type$2 = types[i$3]; + if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; } + else if (type$2 == "," && prev$1 == types[i$3+1] && + (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; } + prev$1 = type$2; + } + + // W5. A sequence of European terminators adjacent to European + // numbers changes to all European numbers. + // W6. Otherwise, separators and terminators change to Other + // Neutral. + for (var i$4 = 0; i$4 < len; ++i$4) { + var type$3 = types[i$4]; + if (type$3 == ",") { types[i$4] = "N"; } + else if (type$3 == "%") { + var end = (void 0); + for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {} + var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N"; + for (var j = i$4; j < end; ++j) { types[j] = replace; } + i$4 = end - 1; + } + } + + // W7. Search backwards from each instance of a European number + // until the first strong type (R, L, or sor) is found. If an L is + // found, then change the type of the European number to L. + for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) { + var type$4 = types[i$5]; + if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; } + else if (isStrong.test(type$4)) { cur$1 = type$4; } + } + + // N1. A sequence of neutrals takes the direction of the + // surrounding strong text if the text on both sides has the same + // direction. European and Arabic numbers act as if they were R in + // terms of their influence on neutrals. Start-of-level-run (sor) + // and end-of-level-run (eor) are used at level run boundaries. + // N2. Any remaining neutrals take the embedding direction. + for (var i$6 = 0; i$6 < len; ++i$6) { + if (isNeutral.test(types[i$6])) { + var end$1 = (void 0); + for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {} + var before = (i$6 ? types[i$6-1] : outerType) == "L"; + var after = (end$1 < len ? types[end$1] : outerType) == "L"; + var replace$1 = before == after ? (before ? "L" : "R") : outerType; + for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; } + i$6 = end$1 - 1; + } + } + + // Here we depart from the documented algorithm, in order to avoid + // building up an actual levels array. Since there are only three + // levels (0, 1, 2) in an implementation that doesn't take + // explicit embedding into account, we can build up the order on + // the fly, without following the level-based algorithm. + var order = [], m; + for (var i$7 = 0; i$7 < len;) { + if (countsAsLeft.test(types[i$7])) { + var start = i$7; + for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {} + order.push(new BidiSpan(0, start, i$7)); + } else { + var pos = i$7, at = order.length; + for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {} + for (var j$2 = pos; j$2 < i$7;) { + if (countsAsNum.test(types[j$2])) { + if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); } + var nstart = j$2; + for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {} + order.splice(at, 0, new BidiSpan(2, nstart, j$2)); + pos = j$2; + } else { ++j$2; } + } + if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); } + } + } + if (direction == "ltr") { + if (order[0].level == 1 && (m = str.match(/^\s+/))) { + order[0].from = m[0].length; + order.unshift(new BidiSpan(0, 0, m[0].length)); + } + if (lst(order).level == 1 && (m = str.match(/\s+$/))) { + lst(order).to -= m[0].length; + order.push(new BidiSpan(0, len - m[0].length, len)); + } + } + + return direction == "rtl" ? order.reverse() : order + } + })(); + + // Get the bidi ordering for the given line (and cache it). Returns + // false for lines that are fully left-to-right, and an array of + // BidiSpan objects otherwise. + function getOrder(line, direction) { + var order = line.order; + if (order == null) { order = line.order = bidiOrdering(line.text, direction); } + return order + } + + // EVENT HANDLING + + // Lightweight event framework. on/off also work on DOM nodes, + // registering native DOM handlers. + + var noHandlers = []; + + var on = function(emitter, type, f) { + if (emitter.addEventListener) { + emitter.addEventListener(type, f, false); + } else if (emitter.attachEvent) { + emitter.attachEvent("on" + type, f); } else { - var box = cur.node.getBoundingClientRect(); - height = box.bottom - box.top; + var map$$1 = emitter._handlers || (emitter._handlers = {}); + map$$1[type] = (map$$1[type] || noHandlers).concat(f); } - var diff = cur.line.height - height; - if (height < 2) { height = textHeight(display); } - if (diff > .005 || diff < -.005) { - updateLineHeight(cur.line, height); - updateWidgetHeight(cur.line); - if (cur.rest) { for (var j = 0; j < cur.rest.length; j++) - { updateWidgetHeight(cur.rest[j]); } } - } - } -} - -// Read and store the height of line widgets associated with the -// given line. -function updateWidgetHeight(line) { - if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) { - var w = line.widgets[i], parent = w.node.parentNode; - if (parent) { w.height = parent.offsetHeight; } - } } -} - -// Compute the lines that are visible in a given viewport (defaults -// the the current scroll position). viewport may contain top, -// height, and ensure (see op.scrollToPos) properties. -function visibleLines(display, doc, viewport) { - var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop; - top = Math.floor(top - paddingTop(display)); - var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight; - - var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom); - // Ensure is a {from: {line, ch}, to: {line, ch}} object, and - // forces those lines into the viewport (if possible). - if (viewport && viewport.ensure) { - var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line; - if (ensureFrom < from) { - from = ensureFrom; - to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight); - } else if (Math.min(ensureTo, doc.lastLine()) >= to) { - from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight); - to = ensureTo; - } - } - return {from: from, to: Math.max(to, from + 1)} -} - -// Re-align line numbers and gutter marks to compensate for -// horizontal scrolling. -function alignHorizontally(cm) { - var display = cm.display, view = display.view; - if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return } - var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft; - var gutterW = display.gutters.offsetWidth, left = comp + "px"; - for (var i = 0; i < view.length; i++) { if (!view[i].hidden) { - if (cm.options.fixedGutter) { - if (view[i].gutter) - { view[i].gutter.style.left = left; } - if (view[i].gutterBackground) - { view[i].gutterBackground.style.left = left; } - } - var align = view[i].alignable; - if (align) { for (var j = 0; j < align.length; j++) - { align[j].style.left = left; } } - } } - if (cm.options.fixedGutter) - { display.gutters.style.left = (comp + gutterW) + "px"; } -} - -// Used to ensure that the line number gutter is still the right -// size for the current document size. Returns true when an update -// is needed. -function maybeUpdateLineNumberWidth(cm) { - if (!cm.options.lineNumbers) { return false } - var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display; - if (last.length != display.lineNumChars) { - var test = display.measure.appendChild(elt("div", [elt("div", last)], - "CodeMirror-linenumber CodeMirror-gutter-elt")); - var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; - display.lineGutter.style.width = ""; - display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; - display.lineNumWidth = display.lineNumInnerWidth + padding; - display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; - display.lineGutter.style.width = display.lineNumWidth + "px"; - updateGutterSpace(cm); - return true - } - return false -} - -// SCROLLING THINGS INTO VIEW - -// If an editor sits on the top or bottom of the window, partially -// scrolled out of view, this ensures that the cursor is visible. -function maybeScrollWindow(cm, rect) { - if (signalDOMEvent(cm, "scrollCursorIntoView")) { return } - - var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null; - if (rect.top + box.top < 0) { doScroll = true; } - else if (rect.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false; } - if (doScroll != null && !phantom) { - var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\n height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\n left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;")); - cm.display.lineSpace.appendChild(scrollNode); - scrollNode.scrollIntoView(doScroll); - cm.display.lineSpace.removeChild(scrollNode); - } -} - -// Scroll a given position into view (immediately), verifying that -// it actually became visible (as line heights are accurately -// measured, the position of something may 'drift' during drawing). -function scrollPosIntoView(cm, pos, end, margin) { - if (margin == null) { margin = 0; } - var rect; - if (!cm.options.lineWrapping && pos == end) { - // Set pos and end to the cursor positions around the character pos sticks to - // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch - // If pos == Pos(_, 0, "before"), pos and end are unchanged - pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos; - end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos; - } - for (var limit = 0; limit < 5; limit++) { - var changed = false; - var coords = cursorCoords(cm, pos); - var endCoords = !end || end == pos ? coords : cursorCoords(cm, end); - rect = {left: Math.min(coords.left, endCoords.left), - top: Math.min(coords.top, endCoords.top) - margin, - right: Math.max(coords.left, endCoords.left), - bottom: Math.max(coords.bottom, endCoords.bottom) + margin}; - var scrollPos = calculateScrollPos(cm, rect); - var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft; - if (scrollPos.scrollTop != null) { - updateScrollTop(cm, scrollPos.scrollTop); - if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; } - } - if (scrollPos.scrollLeft != null) { - setScrollLeft(cm, scrollPos.scrollLeft); - if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; } - } - if (!changed) { break } - } - return rect -} - -// Scroll a given set of coordinates into view (immediately). -function scrollIntoView(cm, rect) { - var scrollPos = calculateScrollPos(cm, rect); - if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); } - if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); } -} - -// Calculate a new scroll position needed to scroll the given -// rectangle into view. Returns an object with scrollTop and -// scrollLeft properties. When these are undefined, the -// vertical/horizontal position does not need to be adjusted. -function calculateScrollPos(cm, rect) { - var display = cm.display, snapMargin = textHeight(cm.display); - if (rect.top < 0) { rect.top = 0; } - var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop; - var screen = displayHeight(cm), result = {}; - if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; } - var docBottom = cm.doc.height + paddingVert(display); - var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin; - if (rect.top < screentop) { - result.scrollTop = atTop ? 0 : rect.top; - } else if (rect.bottom > screentop + screen) { - var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen); - if (newTop != screentop) { result.scrollTop = newTop; } - } - - var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft; - var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0); - var tooWide = rect.right - rect.left > screenw; - if (tooWide) { rect.right = rect.left + screenw; } - if (rect.left < 10) - { result.scrollLeft = 0; } - else if (rect.left < screenleft) - { result.scrollLeft = Math.max(0, rect.left - (tooWide ? 0 : 10)); } - else if (rect.right > screenw + screenleft - 3) - { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; } - return result -} - -// Store a relative adjustment to the scroll position in the current -// operation (to be applied when the operation finishes). -function addToScrollTop(cm, top) { - if (top == null) { return } - resolveScrollToPos(cm); - cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top; -} - -// Make sure that at the end of the operation the current cursor is -// shown. -function ensureCursorVisible(cm) { - resolveScrollToPos(cm); - var cur = cm.getCursor(); - cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin}; -} - -function scrollToCoords(cm, x, y) { - if (x != null || y != null) { resolveScrollToPos(cm); } - if (x != null) { cm.curOp.scrollLeft = x; } - if (y != null) { cm.curOp.scrollTop = y; } -} - -function scrollToRange(cm, range$$1) { - resolveScrollToPos(cm); - cm.curOp.scrollToPos = range$$1; -} - -// When an operation has its scrollToPos property set, and another -// scroll action is applied before the end of the operation, this -// 'simulates' scrolling that position into view in a cheap way, so -// that the effect of intermediate scroll commands is not ignored. -function resolveScrollToPos(cm) { - var range$$1 = cm.curOp.scrollToPos; - if (range$$1) { - cm.curOp.scrollToPos = null; - var from = estimateCoords(cm, range$$1.from), to = estimateCoords(cm, range$$1.to); - scrollToCoordsRange(cm, from, to, range$$1.margin); - } -} - -function scrollToCoordsRange(cm, from, to, margin) { - var sPos = calculateScrollPos(cm, { - left: Math.min(from.left, to.left), - top: Math.min(from.top, to.top) - margin, - right: Math.max(from.right, to.right), - bottom: Math.max(from.bottom, to.bottom) + margin - }); - scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop); -} - -// Sync the scrollable area and scrollbars, ensure the viewport -// covers the visible area. -function updateScrollTop(cm, val) { - if (Math.abs(cm.doc.scrollTop - val) < 2) { return } - if (!gecko) { updateDisplaySimple(cm, {top: val}); } - setScrollTop(cm, val, true); - if (gecko) { updateDisplaySimple(cm); } - startWorker(cm, 100); -} - -function setScrollTop(cm, val, forceScroll) { - val = Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val); - if (cm.display.scroller.scrollTop == val && !forceScroll) { return } - cm.doc.scrollTop = val; - cm.display.scrollbars.setScrollTop(val); - if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; } -} - -// Sync scroller and scrollbar, ensure the gutter elements are -// aligned. -function setScrollLeft(cm, val, isScroller, forceScroll) { - val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth); - if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return } - cm.doc.scrollLeft = val; - alignHorizontally(cm); - if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; } - cm.display.scrollbars.setScrollLeft(val); -} - -// SCROLLBARS - -// Prepare DOM reads needed to update the scrollbars. Done in one -// shot to minimize update/measure roundtrips. -function measureForScrollbars(cm) { - var d = cm.display, gutterW = d.gutters.offsetWidth; - var docH = Math.round(cm.doc.height + paddingVert(cm.display)); - return { - clientHeight: d.scroller.clientHeight, - viewHeight: d.wrapper.clientHeight, - scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, - viewWidth: d.wrapper.clientWidth, - barLeft: cm.options.fixedGutter ? gutterW : 0, - docHeight: docH, - scrollHeight: docH + scrollGap(cm) + d.barHeight, - nativeBarWidth: d.nativeBarWidth, - gutterWidth: gutterW - } -} - -var NativeScrollbars = function(place, scroll, cm) { - this.cm = cm; - var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar"); - var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar"); - vert.tabIndex = horiz.tabIndex = -1; - place(vert); place(horiz); - - on(vert, "scroll", function () { - if (vert.clientHeight) { scroll(vert.scrollTop, "vertical"); } - }); - on(horiz, "scroll", function () { - if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal"); } - }); - - this.checkedZeroWidth = false; - // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). - if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; } -}; - -NativeScrollbars.prototype.update = function (measure) { - var needsH = measure.scrollWidth > measure.clientWidth + 1; - var needsV = measure.scrollHeight > measure.clientHeight + 1; - var sWidth = measure.nativeBarWidth; - - if (needsV) { - this.vert.style.display = "block"; - this.vert.style.bottom = needsH ? sWidth + "px" : "0"; - var totalHeight = measure.viewHeight - (needsH ? sWidth : 0); - // A bug in IE8 can cause this value to be negative, so guard it. - this.vert.firstChild.style.height = - Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"; - } else { - this.vert.style.display = ""; - this.vert.firstChild.style.height = "0"; - } - - if (needsH) { - this.horiz.style.display = "block"; - this.horiz.style.right = needsV ? sWidth + "px" : "0"; - this.horiz.style.left = measure.barLeft + "px"; - var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0); - this.horiz.firstChild.style.width = - Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px"; - } else { - this.horiz.style.display = ""; - this.horiz.firstChild.style.width = "0"; - } - - if (!this.checkedZeroWidth && measure.clientHeight > 0) { - if (sWidth == 0) { this.zeroWidthHack(); } - this.checkedZeroWidth = true; - } - - return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0} -}; - -NativeScrollbars.prototype.setScrollLeft = function (pos) { - if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; } - if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz"); } -}; - -NativeScrollbars.prototype.setScrollTop = function (pos) { - if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; } - if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert"); } -}; - -NativeScrollbars.prototype.zeroWidthHack = function () { - var w = mac && !mac_geMountainLion ? "12px" : "18px"; - this.horiz.style.height = this.vert.style.width = w; - this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none"; - this.disableHoriz = new Delayed; - this.disableVert = new Delayed; -}; - -NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) { - bar.style.pointerEvents = "auto"; - function maybeDisable() { - // To find out whether the scrollbar is still visible, we - // check whether the element under the pixel in the bottom - // right corner of the scrollbar box is the scrollbar box - // itself (when the bar is still visible) or its filler child - // (when the bar is hidden). If it is still visible, we keep - // it enabled, if it's hidden, we disable pointer events. - var box = bar.getBoundingClientRect(); - var elt$$1 = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2) - : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1); - if (elt$$1 != bar) { bar.style.pointerEvents = "none"; } - else { delay.set(1000, maybeDisable); } - } - delay.set(1000, maybeDisable); -}; - -NativeScrollbars.prototype.clear = function () { - var parent = this.horiz.parentNode; - parent.removeChild(this.horiz); - parent.removeChild(this.vert); -}; - -var NullScrollbars = function () {}; - -NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} }; -NullScrollbars.prototype.setScrollLeft = function () {}; -NullScrollbars.prototype.setScrollTop = function () {}; -NullScrollbars.prototype.clear = function () {}; - -function updateScrollbars(cm, measure) { - if (!measure) { measure = measureForScrollbars(cm); } - var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight; - updateScrollbarsInner(cm, measure); - for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { - if (startWidth != cm.display.barWidth && cm.options.lineWrapping) - { updateHeightsInViewport(cm); } - updateScrollbarsInner(cm, measureForScrollbars(cm)); - startWidth = cm.display.barWidth; startHeight = cm.display.barHeight; - } -} - -// Re-synchronize the fake scrollbars with the actual size of the -// content. -function updateScrollbarsInner(cm, measure) { - var d = cm.display; - var sizes = d.scrollbars.update(measure); - - d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"; - d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"; - d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent"; - - if (sizes.right && sizes.bottom) { - d.scrollbarFiller.style.display = "block"; - d.scrollbarFiller.style.height = sizes.bottom + "px"; - d.scrollbarFiller.style.width = sizes.right + "px"; - } else { d.scrollbarFiller.style.display = ""; } - if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { - d.gutterFiller.style.display = "block"; - d.gutterFiller.style.height = sizes.bottom + "px"; - d.gutterFiller.style.width = measure.gutterWidth + "px"; - } else { d.gutterFiller.style.display = ""; } -} - -var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}; - -function initScrollbars(cm) { - if (cm.display.scrollbars) { - cm.display.scrollbars.clear(); - if (cm.display.scrollbars.addClass) - { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); } - } - - cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) { - cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); - // Prevent clicks in the scrollbars from killing focus - on(node, "mousedown", function () { - if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); } - }); - node.setAttribute("cm-not-content", "true"); - }, function (pos, axis) { - if (axis == "horizontal") { setScrollLeft(cm, pos); } - else { updateScrollTop(cm, pos); } - }, cm); - if (cm.display.scrollbars.addClass) - { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); } -} - -// Operations are used to wrap a series of changes to the editor -// state in such a way that each change won't have to update the -// cursor and display (which would be awkward, slow, and -// error-prone). Instead, display updates are batched and then all -// combined and executed at once. - -var nextOpId = 0; -// Start a new operation. -function startOperation(cm) { - cm.curOp = { - cm: cm, - viewChanged: false, // Flag that indicates that lines might need to be redrawn - startHeight: cm.doc.height, // Used to detect need to update scrollbar - forceUpdate: false, // Used to force a redraw - updateInput: null, // Whether to reset the input textarea - typing: false, // Whether this reset should be careful to leave existing text (for compositing) - changeObjs: null, // Accumulated changes, for firing change events - cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on - cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already - selectionChanged: false, // Whether the selection needs to be redrawn - updateMaxLine: false, // Set when the widest line needs to be determined anew - scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet - scrollToPos: null, // Used to scroll to a specific position - focus: false, - id: ++nextOpId // Unique ID }; - pushOperation(cm.curOp); -} -// Finish an operation, updating the display and signalling delayed events -function endOperation(cm) { - var op = cm.curOp; - finishOperation(op, function (group) { - for (var i = 0; i < group.ops.length; i++) - { group.ops[i].cm.curOp = null; } - endOperations(group); - }); -} - -// The DOM updates done when an operation finishes are batched so -// that the minimum number of relayouts are required. -function endOperations(group) { - var ops = group.ops; - for (var i = 0; i < ops.length; i++) // Read DOM - { endOperation_R1(ops[i]); } - for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe) - { endOperation_W1(ops[i$1]); } - for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM - { endOperation_R2(ops[i$2]); } - for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe) - { endOperation_W2(ops[i$3]); } - for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM - { endOperation_finish(ops[i$4]); } -} - -function endOperation_R1(op) { - var cm = op.cm, display = cm.display; - maybeClipScrollbars(cm); - if (op.updateMaxLine) { findMaxLine(cm); } - - op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || - op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || - op.scrollToPos.to.line >= display.viewTo) || - display.maxLineChanged && cm.options.lineWrapping; - op.update = op.mustUpdate && - new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate); -} - -function endOperation_W1(op) { - op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update); -} - -function endOperation_R2(op) { - var cm = op.cm, display = cm.display; - if (op.updatedDisplay) { updateHeightsInViewport(cm); } - - op.barMeasure = measureForScrollbars(cm); - - // If the max line changed since it was last measured, measure it, - // and ensure the document's width matches it. - // updateDisplay_W2 will use these properties to do the actual resizing - if (display.maxLineChanged && !cm.options.lineWrapping) { - op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3; - cm.display.sizerWidth = op.adjustWidthTo; - op.barMeasure.scrollWidth = - Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth); - op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm)); + function getHandlers(emitter, type) { + return emitter._handlers && emitter._handlers[type] || noHandlers } - if (op.updatedDisplay || op.selectionChanged) - { op.preparedSelection = display.input.prepareSelection(); } -} - -function endOperation_W2(op) { - var cm = op.cm; - - if (op.adjustWidthTo != null) { - cm.display.sizer.style.minWidth = op.adjustWidthTo + "px"; - if (op.maxScrollLeft < cm.doc.scrollLeft) - { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); } - cm.display.maxLineChanged = false; - } - - var takeFocus = op.focus && op.focus == activeElt(); - if (op.preparedSelection) - { cm.display.input.showSelection(op.preparedSelection, takeFocus); } - if (op.updatedDisplay || op.startHeight != cm.doc.height) - { updateScrollbars(cm, op.barMeasure); } - if (op.updatedDisplay) - { setDocumentHeight(cm, op.barMeasure); } - - if (op.selectionChanged) { restartBlink(cm); } - - if (cm.state.focused && op.updateInput) - { cm.display.input.reset(op.typing); } - if (takeFocus) { ensureFocus(op.cm); } -} - -function endOperation_finish(op) { - var cm = op.cm, display = cm.display, doc = cm.doc; - - if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); } - - // Abort mouse wheel delta measurement, when scrolling explicitly - if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos)) - { display.wheelStartX = display.wheelStartY = null; } - - // Propagate the scroll position to the actual DOM scroller - if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); } - - if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); } - // If we need to scroll a specific position into view, do so. - if (op.scrollToPos) { - var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), - clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin); - maybeScrollWindow(cm, rect); - } - - // Fire events for markers that are hidden/unidden by editing or - // undoing - var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers; - if (hidden) { for (var i = 0; i < hidden.length; ++i) - { if (!hidden[i].lines.length) { signal(hidden[i], "hide"); } } } - if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1) - { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide"); } } } - - if (display.wrapper.offsetHeight) - { doc.scrollTop = cm.display.scroller.scrollTop; } - - // Fire change events, and delayed event handlers - if (op.changeObjs) - { signal(cm, "changes", cm, op.changeObjs); } - if (op.update) - { op.update.finish(); } -} - -// Run the given function in an operation -function runInOp(cm, f) { - if (cm.curOp) { return f() } - startOperation(cm); - try { return f() } - finally { endOperation(cm); } -} -// Wraps a function in an operation. Returns the wrapped function. -function operation(cm, f) { - return function() { - if (cm.curOp) { return f.apply(cm, arguments) } - startOperation(cm); - try { return f.apply(cm, arguments) } - finally { endOperation(cm); } - } -} -// Used to add methods to editor and doc instances, wrapping them in -// operations. -function methodOp(f) { - return function() { - if (this.curOp) { return f.apply(this, arguments) } - startOperation(this); - try { return f.apply(this, arguments) } - finally { endOperation(this); } - } -} -function docMethodOp(f) { - return function() { - var cm = this.cm; - if (!cm || cm.curOp) { return f.apply(this, arguments) } - startOperation(cm); - try { return f.apply(this, arguments) } - finally { endOperation(cm); } - } -} - -// Updates the display.view data structure for a given change to the -// document. From and to are in pre-change coordinates. Lendiff is -// the amount of lines added or subtracted by the change. This is -// used for changes that span multiple lines, or change the way -// lines are divided into visual lines. regLineChange (below) -// registers single-line changes. -function regChange(cm, from, to, lendiff) { - if (from == null) { from = cm.doc.first; } - if (to == null) { to = cm.doc.first + cm.doc.size; } - if (!lendiff) { lendiff = 0; } - - var display = cm.display; - if (lendiff && to < display.viewTo && - (display.updateLineNumbers == null || display.updateLineNumbers > from)) - { display.updateLineNumbers = from; } - - cm.curOp.viewChanged = true; - - if (from >= display.viewTo) { // Change after - if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo) - { resetView(cm); } - } else if (to <= display.viewFrom) { // Change before - if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) { - resetView(cm); + function off(emitter, type, f) { + if (emitter.removeEventListener) { + emitter.removeEventListener(type, f, false); + } else if (emitter.detachEvent) { + emitter.detachEvent("on" + type, f); } else { - display.viewFrom += lendiff; - display.viewTo += lendiff; + var map$$1 = emitter._handlers, arr = map$$1 && map$$1[type]; + if (arr) { + var index = indexOf(arr, f); + if (index > -1) + { map$$1[type] = arr.slice(0, index).concat(arr.slice(index + 1)); } + } } - } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap - resetView(cm); - } else if (from <= display.viewFrom) { // Top overlap - var cut = viewCuttingPoint(cm, to, to + lendiff, 1); - if (cut) { - display.view = display.view.slice(cut.index); - display.viewFrom = cut.lineN; - display.viewTo += lendiff; + } + + function signal(emitter, type /*, values...*/) { + var handlers = getHandlers(emitter, type); + if (!handlers.length) { return } + var args = Array.prototype.slice.call(arguments, 2); + for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); } + } + + // The DOM events that CodeMirror handles can be overridden by + // registering a (non-DOM) handler on the editor for the event name, + // and preventDefault-ing the event in that handler. + function signalDOMEvent(cm, e, override) { + if (typeof e == "string") + { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; } + signal(cm, override || e.type, cm, e); + return e_defaultPrevented(e) || e.codemirrorIgnore + } + + function signalCursorActivity(cm) { + var arr = cm._handlers && cm._handlers.cursorActivity; + if (!arr) { return } + var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []); + for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1) + { set.push(arr[i]); } } + } + + function hasHandler(emitter, type) { + return getHandlers(emitter, type).length > 0 + } + + // Add on and off methods to a constructor's prototype, to make + // registering events on such objects more convenient. + function eventMixin(ctor) { + ctor.prototype.on = function(type, f) {on(this, type, f);}; + ctor.prototype.off = function(type, f) {off(this, type, f);}; + } + + // Due to the fact that we still support jurassic IE versions, some + // compatibility wrappers are needed. + + function e_preventDefault(e) { + if (e.preventDefault) { e.preventDefault(); } + else { e.returnValue = false; } + } + function e_stopPropagation(e) { + if (e.stopPropagation) { e.stopPropagation(); } + else { e.cancelBubble = true; } + } + function e_defaultPrevented(e) { + return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false + } + function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);} + + function e_target(e) {return e.target || e.srcElement} + function e_button(e) { + var b = e.which; + if (b == null) { + if (e.button & 1) { b = 1; } + else if (e.button & 2) { b = 3; } + else if (e.button & 4) { b = 2; } + } + if (mac && e.ctrlKey && b == 1) { b = 3; } + return b + } + + // Detect drag-and-drop + var dragAndDrop = function() { + // There is *some* kind of drag-and-drop support in IE6-8, but I + // couldn't get it to work yet. + if (ie && ie_version < 9) { return false } + var div = elt('div'); + return "draggable" in div || "dragDrop" in div + }(); + + var zwspSupported; + function zeroWidthElement(measure) { + if (zwspSupported == null) { + var test = elt("span", "\u200b"); + removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])); + if (measure.firstChild.offsetHeight != 0) + { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); } + } + var node = zwspSupported ? elt("span", "\u200b") : + elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); + node.setAttribute("cm-text", ""); + return node + } + + // Feature-detect IE's crummy client rect reporting for bidi text + var badBidiRects; + function hasBadBidiRects(measure) { + if (badBidiRects != null) { return badBidiRects } + var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")); + var r0 = range(txt, 0, 1).getBoundingClientRect(); + var r1 = range(txt, 1, 2).getBoundingClientRect(); + removeChildren(measure); + if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780) + return badBidiRects = (r1.right - r0.right < 3) + } + + // See if "".split is the broken IE version, if so, provide an + // alternative way to split lines. + var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) { + var pos = 0, result = [], l = string.length; + while (pos <= l) { + var nl = string.indexOf("\n", pos); + if (nl == -1) { nl = string.length; } + var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); + var rt = line.indexOf("\r"); + if (rt != -1) { + result.push(line.slice(0, rt)); + pos += rt + 1; + } else { + result.push(line); + pos = nl + 1; + } + } + return result + } : function (string) { return string.split(/\r\n?|\n/); }; + + var hasSelection = window.getSelection ? function (te) { + try { return te.selectionStart != te.selectionEnd } + catch(e) { return false } + } : function (te) { + var range$$1; + try {range$$1 = te.ownerDocument.selection.createRange();} + catch(e) {} + if (!range$$1 || range$$1.parentElement() != te) { return false } + return range$$1.compareEndPoints("StartToEnd", range$$1) != 0 + }; + + var hasCopyEvent = (function () { + var e = elt("div"); + if ("oncopy" in e) { return true } + e.setAttribute("oncopy", "return;"); + return typeof e.oncopy == "function" + })(); + + var badZoomedRects = null; + function hasBadZoomedRects(measure) { + if (badZoomedRects != null) { return badZoomedRects } + var node = removeChildrenAndAdd(measure, elt("span", "x")); + var normal = node.getBoundingClientRect(); + var fromRange = range(node, 0, 1).getBoundingClientRect(); + return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1 + } + + // Known modes, by name and by MIME + var modes = {}, mimeModes = {}; + + // Extra arguments are stored as the mode's dependencies, which is + // used by (legacy) mechanisms like loadmode.js to automatically + // load a mode. (Preferred mechanism is the require/define calls.) + function defineMode(name, mode) { + if (arguments.length > 2) + { mode.dependencies = Array.prototype.slice.call(arguments, 2); } + modes[name] = mode; + } + + function defineMIME(mime, spec) { + mimeModes[mime] = spec; + } + + // Given a MIME type, a {name, ...options} config object, or a name + // string, return a mode config object. + function resolveMode(spec) { + if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { + spec = mimeModes[spec]; + } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { + var found = mimeModes[spec.name]; + if (typeof found == "string") { found = {name: found}; } + spec = createObj(found, spec); + spec.name = found.name; + } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { + return resolveMode("application/xml") + } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) { + return resolveMode("application/json") + } + if (typeof spec == "string") { return {name: spec} } + else { return spec || {name: "null"} } + } + + // Given a mode spec (anything that resolveMode accepts), find and + // initialize an actual mode object. + function getMode(options, spec) { + spec = resolveMode(spec); + var mfactory = modes[spec.name]; + if (!mfactory) { return getMode(options, "text/plain") } + var modeObj = mfactory(options, spec); + if (modeExtensions.hasOwnProperty(spec.name)) { + var exts = modeExtensions[spec.name]; + for (var prop in exts) { + if (!exts.hasOwnProperty(prop)) { continue } + if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; } + modeObj[prop] = exts[prop]; + } + } + modeObj.name = spec.name; + if (spec.helperType) { modeObj.helperType = spec.helperType; } + if (spec.modeProps) { for (var prop$1 in spec.modeProps) + { modeObj[prop$1] = spec.modeProps[prop$1]; } } + + return modeObj + } + + // This can be used to attach properties to mode objects from + // outside the actual mode definition. + var modeExtensions = {}; + function extendMode(mode, properties) { + var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); + copyObj(properties, exts); + } + + function copyState(mode, state) { + if (state === true) { return state } + if (mode.copyState) { return mode.copyState(state) } + var nstate = {}; + for (var n in state) { + var val = state[n]; + if (val instanceof Array) { val = val.concat([]); } + nstate[n] = val; + } + return nstate + } + + // Given a mode and a state (for that mode), find the inner mode and + // state at the position that the state refers to. + function innerMode(mode, state) { + var info; + while (mode.innerMode) { + info = mode.innerMode(state); + if (!info || info.mode == mode) { break } + state = info.state; + mode = info.mode; + } + return info || {mode: mode, state: state} + } + + function startState(mode, a1, a2) { + return mode.startState ? mode.startState(a1, a2) : true + } + + // STRING STREAM + + // Fed to the mode parsers, provides helper functions to make + // parsers more succinct. + + var StringStream = function(string, tabSize, lineOracle) { + this.pos = this.start = 0; + this.string = string; + this.tabSize = tabSize || 8; + this.lastColumnPos = this.lastColumnValue = 0; + this.lineStart = 0; + this.lineOracle = lineOracle; + }; + + StringStream.prototype.eol = function () {return this.pos >= this.string.length}; + StringStream.prototype.sol = function () {return this.pos == this.lineStart}; + StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined}; + StringStream.prototype.next = function () { + if (this.pos < this.string.length) + { return this.string.charAt(this.pos++) } + }; + StringStream.prototype.eat = function (match) { + var ch = this.string.charAt(this.pos); + var ok; + if (typeof match == "string") { ok = ch == match; } + else { ok = ch && (match.test ? match.test(ch) : match(ch)); } + if (ok) {++this.pos; return ch} + }; + StringStream.prototype.eatWhile = function (match) { + var start = this.pos; + while (this.eat(match)){} + return this.pos > start + }; + StringStream.prototype.eatSpace = function () { + var this$1 = this; + + var start = this.pos; + while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this$1.pos; } + return this.pos > start + }; + StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;}; + StringStream.prototype.skipTo = function (ch) { + var found = this.string.indexOf(ch, this.pos); + if (found > -1) {this.pos = found; return true} + }; + StringStream.prototype.backUp = function (n) {this.pos -= n;}; + StringStream.prototype.column = function () { + if (this.lastColumnPos < this.start) { + this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue); + this.lastColumnPos = this.start; + } + return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) + }; + StringStream.prototype.indentation = function () { + return countColumn(this.string, null, this.tabSize) - + (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) + }; + StringStream.prototype.match = function (pattern, consume, caseInsensitive) { + if (typeof pattern == "string") { + var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; }; + var substr = this.string.substr(this.pos, pattern.length); + if (cased(substr) == cased(pattern)) { + if (consume !== false) { this.pos += pattern.length; } + return true + } } else { - resetView(cm); + var match = this.string.slice(this.pos).match(pattern); + if (match && match.index > 0) { return null } + if (match && consume !== false) { this.pos += match[0].length; } + return match } - } else if (to >= display.viewTo) { // Bottom overlap - var cut$1 = viewCuttingPoint(cm, from, from, -1); - if (cut$1) { - display.view = display.view.slice(0, cut$1.index); - display.viewTo = cut$1.lineN; - } else { - resetView(cm); - } - } else { // Gap in the middle - var cutTop = viewCuttingPoint(cm, from, from, -1); - var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1); - if (cutTop && cutBot) { - display.view = display.view.slice(0, cutTop.index) - .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN)) - .concat(display.view.slice(cutBot.index)); - display.viewTo += lendiff; - } else { - resetView(cm); - } - } + }; + StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)}; + StringStream.prototype.hideFirstChars = function (n, inner) { + this.lineStart += n; + try { return inner() } + finally { this.lineStart -= n; } + }; + StringStream.prototype.lookAhead = function (n) { + var oracle = this.lineOracle; + return oracle && oracle.lookAhead(n) + }; + StringStream.prototype.baseToken = function () { + var oracle = this.lineOracle; + return oracle && oracle.baseToken(this.pos) + }; - var ext = display.externalMeasured; - if (ext) { - if (to < ext.lineN) - { ext.lineN += lendiff; } - else if (from < ext.lineN + ext.size) - { display.externalMeasured = null; } - } -} + var SavedContext = function(state, lookAhead) { + this.state = state; + this.lookAhead = lookAhead; + }; -// Register a change to a single line. Type must be one of "text", -// "gutter", "class", "widget" -function regLineChange(cm, line, type) { - cm.curOp.viewChanged = true; - var display = cm.display, ext = cm.display.externalMeasured; - if (ext && line >= ext.lineN && line < ext.lineN + ext.size) - { display.externalMeasured = null; } + var Context = function(doc, state, line, lookAhead) { + this.state = state; + this.doc = doc; + this.line = line; + this.maxLookAhead = lookAhead || 0; + this.baseTokens = null; + this.baseTokenPos = 1; + }; - if (line < display.viewFrom || line >= display.viewTo) { return } - var lineView = display.view[findViewIndex(cm, line)]; - if (lineView.node == null) { return } - var arr = lineView.changes || (lineView.changes = []); - if (indexOf(arr, type) == -1) { arr.push(type); } -} + Context.prototype.lookAhead = function (n) { + var line = this.doc.getLine(this.line + n); + if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; } + return line + }; -// Clear the view. -function resetView(cm) { - cm.display.viewFrom = cm.display.viewTo = cm.doc.first; - cm.display.view = []; - cm.display.viewOffset = 0; -} + Context.prototype.baseToken = function (n) { + var this$1 = this; -function viewCuttingPoint(cm, oldN, newN, dir) { - var index = findViewIndex(cm, oldN), diff, view = cm.display.view; - if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size) - { return {index: index, lineN: newN} } - var n = cm.display.viewFrom; - for (var i = 0; i < index; i++) - { n += view[i].size; } - if (n != oldN) { - if (dir > 0) { - if (index == view.length - 1) { return null } - diff = (n + view[index].size) - oldN; - index++; - } else { - diff = n - oldN; - } - oldN += diff; newN += diff; - } - while (visualLineNo(cm.doc, newN) != newN) { - if (index == (dir < 0 ? 0 : view.length - 1)) { return null } - newN += dir * view[index - (dir < 0 ? 1 : 0)].size; - index += dir; - } - return {index: index, lineN: newN} -} + if (!this.baseTokens) { return null } + while (this.baseTokens[this.baseTokenPos] <= n) + { this$1.baseTokenPos += 2; } + var type = this.baseTokens[this.baseTokenPos + 1]; + return {type: type && type.replace(/( |^)overlay .*/, ""), + size: this.baseTokens[this.baseTokenPos] - n} + }; -// Force the view to cover a given range, adding empty view element -// or clipping off existing ones as needed. -function adjustView(cm, from, to) { - var display = cm.display, view = display.view; - if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) { - display.view = buildViewArray(cm, from, to); - display.viewFrom = from; - } else { - if (display.viewFrom > from) - { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); } - else if (display.viewFrom < from) - { display.view = display.view.slice(findViewIndex(cm, from)); } - display.viewFrom = from; - if (display.viewTo < to) - { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); } - else if (display.viewTo > to) - { display.view = display.view.slice(0, findViewIndex(cm, to)); } - } - display.viewTo = to; -} + Context.prototype.nextLine = function () { + this.line++; + if (this.maxLookAhead > 0) { this.maxLookAhead--; } + }; -// Count the number of lines in the view whose DOM representation is -// out of date (or nonexistent). -function countDirtyView(cm) { - var view = cm.display.view, dirty = 0; - for (var i = 0; i < view.length; i++) { - var lineView = view[i]; - if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; } - } - return dirty -} - -// HIGHLIGHT WORKER - -function startWorker(cm, time) { - if (cm.doc.highlightFrontier < cm.display.viewTo) - { cm.state.highlight.set(time, bind(highlightWorker, cm)); } -} - -function highlightWorker(cm) { - var doc = cm.doc; - if (doc.highlightFrontier >= cm.display.viewTo) { return } - var end = +new Date + cm.options.workTime; - var context = getContextBefore(cm, doc.highlightFrontier); - var changedLines = []; - - doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) { - if (context.line >= cm.display.viewFrom) { // Visible - var oldStyles = line.styles; - var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null; - var highlighted = highlightLine(cm, line, context, true); - if (resetState) { context.state = resetState; } - line.styles = highlighted.styles; - var oldCls = line.styleClasses, newCls = highlighted.classes; - if (newCls) { line.styleClasses = newCls; } - else if (oldCls) { line.styleClasses = null; } - var ischange = !oldStyles || oldStyles.length != line.styles.length || - oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass); - for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; } - if (ischange) { changedLines.push(context.line); } - line.stateAfter = context.save(); - context.nextLine(); - } else { - if (line.text.length <= cm.options.maxHighlightLength) - { processLine(cm, line.text, context); } - line.stateAfter = context.line % 5 == 0 ? context.save() : null; - context.nextLine(); - } - if (+new Date > end) { - startWorker(cm, cm.options.workDelay); - return true - } - }); - doc.highlightFrontier = context.line; - doc.modeFrontier = Math.max(doc.modeFrontier, context.line); - if (changedLines.length) { runInOp(cm, function () { - for (var i = 0; i < changedLines.length; i++) - { regLineChange(cm, changedLines[i], "text"); } - }); } -} - -// DISPLAY DRAWING - -var DisplayUpdate = function(cm, viewport, force) { - var display = cm.display; - - this.viewport = viewport; - // Store some values that we'll need later (but don't want to force a relayout for) - this.visible = visibleLines(display, cm.doc, viewport); - this.editorIsHidden = !display.wrapper.offsetWidth; - this.wrapperHeight = display.wrapper.clientHeight; - this.wrapperWidth = display.wrapper.clientWidth; - this.oldDisplayWidth = displayWidth(cm); - this.force = force; - this.dims = getDimensions(cm); - this.events = []; -}; - -DisplayUpdate.prototype.signal = function (emitter, type) { - if (hasHandler(emitter, type)) - { this.events.push(arguments); } -}; -DisplayUpdate.prototype.finish = function () { - var this$1 = this; - - for (var i = 0; i < this.events.length; i++) - { signal.apply(null, this$1.events[i]); } -}; - -function maybeClipScrollbars(cm) { - var display = cm.display; - if (!display.scrollbarsClipped && display.scroller.offsetWidth) { - display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth; - display.heightForcer.style.height = scrollGap(cm) + "px"; - display.sizer.style.marginBottom = -display.nativeBarWidth + "px"; - display.sizer.style.borderRightWidth = scrollGap(cm) + "px"; - display.scrollbarsClipped = true; - } -} - -function selectionSnapshot(cm) { - if (cm.hasFocus()) { return null } - var active = activeElt(); - if (!active || !contains(cm.display.lineDiv, active)) { return null } - var result = {activeElt: active}; - if (window.getSelection) { - var sel = window.getSelection(); - if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) { - result.anchorNode = sel.anchorNode; - result.anchorOffset = sel.anchorOffset; - result.focusNode = sel.focusNode; - result.focusOffset = sel.focusOffset; - } - } - return result -} - -function restoreSelection(snapshot) { - if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt()) { return } - snapshot.activeElt.focus(); - if (snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) { - var sel = window.getSelection(), range$$1 = document.createRange(); - range$$1.setEnd(snapshot.anchorNode, snapshot.anchorOffset); - range$$1.collapse(false); - sel.removeAllRanges(); - sel.addRange(range$$1); - sel.extend(snapshot.focusNode, snapshot.focusOffset); - } -} - -// Does the actual updating of the line display. Bails out -// (returning false) when there is nothing to be done and forced is -// false. -function updateDisplayIfNeeded(cm, update) { - var display = cm.display, doc = cm.doc; - - if (update.editorIsHidden) { - resetView(cm); - return false - } - - // Bail out if the visible area is already rendered and nothing changed. - if (!update.force && - update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && - display.renderedView == display.view && countDirtyView(cm) == 0) - { return false } - - if (maybeUpdateLineNumberWidth(cm)) { - resetView(cm); - update.dims = getDimensions(cm); - } - - // Compute a suitable new viewport (from & to) - var end = doc.first + doc.size; - var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first); - var to = Math.min(end, update.visible.to + cm.options.viewportMargin); - if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); } - if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); } - if (sawCollapsedSpans) { - from = visualLineNo(cm.doc, from); - to = visualLineEndNo(cm.doc, to); - } - - var different = from != display.viewFrom || to != display.viewTo || - display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth; - adjustView(cm, from, to); - - display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)); - // Position the mover div to align with the current scroll position - cm.display.mover.style.top = display.viewOffset + "px"; - - var toUpdate = countDirtyView(cm); - if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) - { return false } - - // For big changes, we hide the enclosing element during the - // update, since that speeds up the operations on most browsers. - var selSnapshot = selectionSnapshot(cm); - if (toUpdate > 4) { display.lineDiv.style.display = "none"; } - patchDisplay(cm, display.updateLineNumbers, update.dims); - if (toUpdate > 4) { display.lineDiv.style.display = ""; } - display.renderedView = display.view; - // There might have been a widget with a focused element that got - // hidden or updated, if so re-focus it. - restoreSelection(selSnapshot); - - // Prevent selection and cursors from interfering with the scroll - // width and height. - removeChildren(display.cursorDiv); - removeChildren(display.selectionDiv); - display.gutters.style.height = display.sizer.style.minHeight = 0; - - if (different) { - display.lastWrapHeight = update.wrapperHeight; - display.lastWrapWidth = update.wrapperWidth; - startWorker(cm, 400); - } - - display.updateLineNumbers = null; - - return true -} - -function postUpdateDisplay(cm, update) { - var viewport = update.viewport; - - for (var first = true;; first = false) { - if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { - // Clip forced viewport to actual scrollable area. - if (viewport && viewport.top != null) - { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; } - // Updated line heights might result in the drawn area not - // actually covering the viewport. Keep looping until it does. - update.visible = visibleLines(cm.display, cm.doc, viewport); - if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) - { break } - } - if (!updateDisplayIfNeeded(cm, update)) { break } - updateHeightsInViewport(cm); - var barMeasure = measureForScrollbars(cm); - updateSelection(cm); - updateScrollbars(cm, barMeasure); - setDocumentHeight(cm, barMeasure); - update.force = false; - } - - update.signal(cm, "update", cm); - if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { - update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); - cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo; - } -} - -function updateDisplaySimple(cm, viewport) { - var update = new DisplayUpdate(cm, viewport); - if (updateDisplayIfNeeded(cm, update)) { - updateHeightsInViewport(cm); - postUpdateDisplay(cm, update); - var barMeasure = measureForScrollbars(cm); - updateSelection(cm); - updateScrollbars(cm, barMeasure); - setDocumentHeight(cm, barMeasure); - update.finish(); - } -} - -// Sync the actual display DOM structure with display.view, removing -// nodes for lines that are no longer in view, and creating the ones -// that are not there yet, and updating the ones that are out of -// date. -function patchDisplay(cm, updateNumbersFrom, dims) { - var display = cm.display, lineNumbers = cm.options.lineNumbers; - var container = display.lineDiv, cur = container.firstChild; - - function rm(node) { - var next = node.nextSibling; - // Works around a throw-scroll bug in OS X Webkit - if (webkit && mac && cm.display.currentWheelTarget == node) - { node.style.display = "none"; } + Context.fromSaved = function (doc, saved, line) { + if (saved instanceof SavedContext) + { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) } else - { node.parentNode.removeChild(node); } - return next - } + { return new Context(doc, copyState(doc.mode, saved), line) } + }; - var view = display.view, lineN = display.viewFrom; - // Loop over the elements in the view, syncing cur (the DOM nodes - // in display.lineDiv) with the view as we go. - for (var i = 0; i < view.length; i++) { - var lineView = view[i]; - if (lineView.hidden) { - } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet - var node = buildLineElement(cm, lineView, lineN, dims); - container.insertBefore(node, cur); - } else { // Already drawn - while (cur != lineView.node) { cur = rm(cur); } - var updateNumber = lineNumbers && updateNumbersFrom != null && - updateNumbersFrom <= lineN && lineView.lineNumber; - if (lineView.changes) { - if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false; } - updateLineForChanges(cm, lineView, lineN, dims); - } - if (updateNumber) { - removeChildren(lineView.lineNumber); - lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))); - } - cur = lineView.node.nextSibling; - } - lineN += lineView.size; - } - while (cur) { cur = rm(cur); } -} + Context.prototype.save = function (copy) { + var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state; + return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state + }; -function updateGutterSpace(cm) { - var width = cm.display.gutters.offsetWidth; - cm.display.sizer.style.marginLeft = width + "px"; -} -function setDocumentHeight(cm, measure) { - cm.display.sizer.style.minHeight = measure.docHeight + "px"; - cm.display.heightForcer.style.top = measure.docHeight + "px"; - cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px"; -} + // Compute a style array (an array starting with a mode generation + // -- for invalidation -- followed by pairs of end positions and + // style strings), which is used to highlight the tokens on the + // line. + function highlightLine(cm, line, context, forceToEnd) { + // A styles array always starts with a number identifying the + // mode/overlays that it is based on (for easy invalidation). + var st = [cm.state.modeGen], lineClasses = {}; + // Compute the base array of styles + runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); }, + lineClasses, forceToEnd); + var state = context.state; -// Rebuild the gutter elements, ensure the margin to the left of the -// code matches their width. -function updateGutters(cm) { - var gutters = cm.display.gutters, specs = cm.options.gutters; - removeChildren(gutters); - var i = 0; - for (; i < specs.length; ++i) { - var gutterClass = specs[i]; - var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass)); - if (gutterClass == "CodeMirror-linenumbers") { - cm.display.lineGutter = gElt; - gElt.style.width = (cm.display.lineNumWidth || 1) + "px"; - } - } - gutters.style.display = i ? "" : "none"; - updateGutterSpace(cm); -} - -// Make sure the gutters options contains the element -// "CodeMirror-linenumbers" when the lineNumbers option is true. -function setGuttersForLineNumbers(options) { - var found = indexOf(options.gutters, "CodeMirror-linenumbers"); - if (found == -1 && options.lineNumbers) { - options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]); - } else if (found > -1 && !options.lineNumbers) { - options.gutters = options.gutters.slice(0); - options.gutters.splice(found, 1); - } -} - -// Since the delta values reported on mouse wheel events are -// unstandardized between browsers and even browser versions, and -// generally horribly unpredictable, this code starts by measuring -// the scroll effect that the first few mouse wheel events have, -// and, from that, detects the way it can convert deltas to pixel -// offsets afterwards. -// -// The reason we want to know the amount a wheel event will scroll -// is that it gives us a chance to update the display before the -// actual scrolling happens, reducing flickering. - -var wheelSamples = 0; -var wheelPixelsPerUnit = null; -// Fill in a browser-detected starting value on browsers where we -// know one. These don't have to be accurate -- the result of them -// being wrong would just be a slight flicker on the first wheel -// scroll (if it is large enough). -if (ie) { wheelPixelsPerUnit = -.53; } -else if (gecko) { wheelPixelsPerUnit = 15; } -else if (chrome) { wheelPixelsPerUnit = -.7; } -else if (safari) { wheelPixelsPerUnit = -1/3; } - -function wheelEventDelta(e) { - var dx = e.wheelDeltaX, dy = e.wheelDeltaY; - if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; } - if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; } - else if (dy == null) { dy = e.wheelDelta; } - return {x: dx, y: dy} -} -function wheelEventPixels(e) { - var delta = wheelEventDelta(e); - delta.x *= wheelPixelsPerUnit; - delta.y *= wheelPixelsPerUnit; - return delta -} - -function onScrollWheel(cm, e) { - var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y; - - var display = cm.display, scroll = display.scroller; - // Quit if there's nothing to scroll here - var canScrollX = scroll.scrollWidth > scroll.clientWidth; - var canScrollY = scroll.scrollHeight > scroll.clientHeight; - if (!(dx && canScrollX || dy && canScrollY)) { return } - - // Webkit browsers on OS X abort momentum scrolls when the target - // of the scroll event is removed from the scrollable element. - // This hack (see related code in patchDisplay) makes sure the - // element is kept around. - if (dy && mac && webkit) { - outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) { - for (var i = 0; i < view.length; i++) { - if (view[i].node == cur) { - cm.display.currentWheelTarget = cur; - break outer + // Run overlays, adjust style array. + var loop = function ( o ) { + context.baseTokens = st; + var overlay = cm.state.overlays[o], i = 1, at = 0; + context.state = true; + runMode(cm, line.text, overlay.mode, context, function (end, style) { + var start = i; + // Ensure there's a token end at the current position, and that i points at it + while (at < end) { + var i_end = st[i]; + if (i_end > end) + { st.splice(i, 1, end, st[i+1], i_end); } + i += 2; + at = Math.min(end, i_end); } + if (!style) { return } + if (overlay.opaque) { + st.splice(start, i - start, end, "overlay " + style); + i = start + 2; + } else { + for (; start < i; start += 2) { + var cur = st[start+1]; + st[start+1] = (cur ? cur + " " : "") + "overlay " + style; + } + } + }, lineClasses); + context.state = state; + context.baseTokens = null; + context.baseTokenPos = 1; + }; + + for (var o = 0; o < cm.state.overlays.length; ++o) loop( o ); + + return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null} + } + + function getLineStyles(cm, line, updateFrontier) { + if (!line.styles || line.styles[0] != cm.state.modeGen) { + var context = getContextBefore(cm, lineNo(line)); + var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state); + var result = highlightLine(cm, line, context); + if (resetState) { context.state = resetState; } + line.stateAfter = context.save(!resetState); + line.styles = result.styles; + if (result.classes) { line.styleClasses = result.classes; } + else if (line.styleClasses) { line.styleClasses = null; } + if (updateFrontier === cm.doc.highlightFrontier) + { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); } + } + return line.styles + } + + function getContextBefore(cm, n, precise) { + var doc = cm.doc, display = cm.display; + if (!doc.mode.startState) { return new Context(doc, true, n) } + var start = findStartLine(cm, n, precise); + var saved = start > doc.first && getLine(doc, start - 1).stateAfter; + var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start); + + doc.iter(start, n, function (line) { + processLine(cm, line.text, context); + var pos = context.line; + line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null; + context.nextLine(); + }); + if (precise) { doc.modeFrontier = context.line; } + return context + } + + // Lightweight form of highlight -- proceed over this line and + // update state, but don't save a style array. Used for lines that + // aren't currently visible. + function processLine(cm, text, context, startAt) { + var mode = cm.doc.mode; + var stream = new StringStream(text, cm.options.tabSize, context); + stream.start = stream.pos = startAt || 0; + if (text == "") { callBlankLine(mode, context.state); } + while (!stream.eol()) { + readToken(mode, stream, context.state); + stream.start = stream.pos; + } + } + + function callBlankLine(mode, state) { + if (mode.blankLine) { return mode.blankLine(state) } + if (!mode.innerMode) { return } + var inner = innerMode(mode, state); + if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) } + } + + function readToken(mode, stream, state, inner) { + for (var i = 0; i < 10; i++) { + if (inner) { inner[0] = innerMode(mode, state).mode; } + var style = mode.token(stream, state); + if (stream.pos > stream.start) { return style } + } + throw new Error("Mode " + mode.name + " failed to advance stream.") + } + + var Token = function(stream, type, state) { + this.start = stream.start; this.end = stream.pos; + this.string = stream.current(); + this.type = type || null; + this.state = state; + }; + + // Utility for getTokenAt and getLineTokens + function takeToken(cm, pos, precise, asArray) { + var doc = cm.doc, mode = doc.mode, style; + pos = clipPos(doc, pos); + var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise); + var stream = new StringStream(line.text, cm.options.tabSize, context), tokens; + if (asArray) { tokens = []; } + while ((asArray || stream.pos < pos.ch) && !stream.eol()) { + stream.start = stream.pos; + style = readToken(mode, stream, context.state); + if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); } + } + return asArray ? tokens : new Token(stream, style, context.state) + } + + function extractLineClasses(type, output) { + if (type) { for (;;) { + var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/); + if (!lineClass) { break } + type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length); + var prop = lineClass[1] ? "bgClass" : "textClass"; + if (output[prop] == null) + { output[prop] = lineClass[2]; } + else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop])) + { output[prop] += " " + lineClass[2]; } + } } + return type + } + + // Run the given mode's parser over a line, calling f for each token. + function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) { + var flattenSpans = mode.flattenSpans; + if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; } + var curStart = 0, curStyle = null; + var stream = new StringStream(text, cm.options.tabSize, context), style; + var inner = cm.options.addModeClass && [null]; + if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); } + while (!stream.eol()) { + if (stream.pos > cm.options.maxHighlightLength) { + flattenSpans = false; + if (forceToEnd) { processLine(cm, text, context, stream.pos); } + stream.pos = text.length; + style = null; + } else { + style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses); + } + if (inner) { + var mName = inner[0].name; + if (mName) { style = "m-" + (style ? mName + " " + style : mName); } + } + if (!flattenSpans || curStyle != style) { + while (curStart < stream.start) { + curStart = Math.min(stream.start, curStart + 5000); + f(curStart, curStyle); + } + curStyle = style; + } + stream.start = stream.pos; + } + while (curStart < stream.pos) { + // Webkit seems to refuse to render text nodes longer than 57444 + // characters, and returns inaccurate measurements in nodes + // starting around 5000 chars. + var pos = Math.min(stream.pos, curStart + 5000); + f(pos, curStyle); + curStart = pos; + } + } + + // Finds the line to start with when starting a parse. Tries to + // find a line with a stateAfter, so that it can start with a + // valid state. If that fails, it returns the line with the + // smallest indentation, which tends to need the least context to + // parse correctly. + function findStartLine(cm, n, precise) { + var minindent, minline, doc = cm.doc; + var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100); + for (var search = n; search > lim; --search) { + if (search <= doc.first) { return doc.first } + var line = getLine(doc, search - 1), after = line.stateAfter; + if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier)) + { return search } + var indented = countColumn(line.text, null, cm.options.tabSize); + if (minline == null || minindent > indented) { + minline = search - 1; + minindent = indented; } } + return minline } - // On some browsers, horizontal scrolling will cause redraws to - // happen before the gutter has been realigned, causing it to - // wriggle around in a most unseemly way. When we have an - // estimated pixels/delta value, we just handle horizontal - // scrolling entirely here. It'll be slightly off from native, but - // better than glitching out. - if (dx && !gecko && !presto && wheelPixelsPerUnit != null) { - if (dy && canScrollY) - { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * wheelPixelsPerUnit)); } - setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * wheelPixelsPerUnit)); - // Only prevent default scrolling if vertical scrolling is - // actually possible. Otherwise, it causes vertical scroll - // jitter on OSX trackpads when deltaX is small and deltaY - // is large (issue #3579) - if (!dy || (dy && canScrollY)) - { e_preventDefault(e); } - display.wheelStartX = null; // Abort measurement, if in progress - return - } - - // 'Project' the visible viewport to cover the area that is being - // scrolled into view (if we know enough to estimate it). - if (dy && wheelPixelsPerUnit != null) { - var pixels = dy * wheelPixelsPerUnit; - var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight; - if (pixels < 0) { top = Math.max(0, top + pixels - 50); } - else { bot = Math.min(cm.doc.height, bot + pixels + 50); } - updateDisplaySimple(cm, {top: top, bottom: bot}); - } - - if (wheelSamples < 20) { - if (display.wheelStartX == null) { - display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop; - display.wheelDX = dx; display.wheelDY = dy; - setTimeout(function () { - if (display.wheelStartX == null) { return } - var movedX = scroll.scrollLeft - display.wheelStartX; - var movedY = scroll.scrollTop - display.wheelStartY; - var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || - (movedX && display.wheelDX && movedX / display.wheelDX); - display.wheelStartX = display.wheelStartY = null; - if (!sample) { return } - wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1); - ++wheelSamples; - }, 200); - } else { - display.wheelDX += dx; display.wheelDY += dy; + function retreatFrontier(doc, n) { + doc.modeFrontier = Math.min(doc.modeFrontier, n); + if (doc.highlightFrontier < n - 10) { return } + var start = doc.first; + for (var line = n - 1; line > start; line--) { + var saved = getLine(doc, line).stateAfter; + // change is on 3 + // state on line 1 looked ahead 2 -- so saw 3 + // test 1 + 2 < 3 should cover this + if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) { + start = line + 1; + break + } } + doc.highlightFrontier = Math.min(doc.highlightFrontier, start); } -} -// Selection objects are immutable. A new one is created every time -// the selection changes. A selection is one or more non-overlapping -// (and non-touching) ranges, sorted, and an integer that indicates -// which one is the primary selection (the one that's scrolled into -// view, that getCursor returns, etc). -var Selection = function(ranges, primIndex) { - this.ranges = ranges; - this.primIndex = primIndex; -}; + // LINE DATA STRUCTURE -Selection.prototype.primary = function () { return this.ranges[this.primIndex] }; + // Line objects. These hold state related to a line, including + // highlighting info (the styles array). + var Line = function(text, markedSpans, estimateHeight) { + this.text = text; + attachMarkedSpans(this, markedSpans); + this.height = estimateHeight ? estimateHeight(this) : 1; + }; -Selection.prototype.equals = function (other) { - var this$1 = this; + Line.prototype.lineNo = function () { return lineNo(this) }; + eventMixin(Line); - if (other == this) { return true } - if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false } - for (var i = 0; i < this.ranges.length; i++) { - var here = this$1.ranges[i], there = other.ranges[i]; - if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false } - } - return true -}; - -Selection.prototype.deepCopy = function () { - var this$1 = this; - - var out = []; - for (var i = 0; i < this.ranges.length; i++) - { out[i] = new Range(copyPos(this$1.ranges[i].anchor), copyPos(this$1.ranges[i].head)); } - return new Selection(out, this.primIndex) -}; - -Selection.prototype.somethingSelected = function () { - var this$1 = this; - - for (var i = 0; i < this.ranges.length; i++) - { if (!this$1.ranges[i].empty()) { return true } } - return false -}; - -Selection.prototype.contains = function (pos, end) { - var this$1 = this; - - if (!end) { end = pos; } - for (var i = 0; i < this.ranges.length; i++) { - var range = this$1.ranges[i]; - if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) - { return i } - } - return -1 -}; - -var Range = function(anchor, head) { - this.anchor = anchor; this.head = head; -}; - -Range.prototype.from = function () { return minPos(this.anchor, this.head) }; -Range.prototype.to = function () { return maxPos(this.anchor, this.head) }; -Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch }; - -// Take an unsorted, potentially overlapping set of ranges, and -// build a selection out of it. 'Consumes' ranges array (modifying -// it). -function normalizeSelection(ranges, primIndex) { - var prim = ranges[primIndex]; - ranges.sort(function (a, b) { return cmp(a.from(), b.from()); }); - primIndex = indexOf(ranges, prim); - for (var i = 1; i < ranges.length; i++) { - var cur = ranges[i], prev = ranges[i - 1]; - if (cmp(prev.to(), cur.from()) >= 0) { - var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()); - var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head; - if (i <= primIndex) { --primIndex; } - ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to)); - } - } - return new Selection(ranges, primIndex) -} - -function simpleSelection(anchor, head) { - return new Selection([new Range(anchor, head || anchor)], 0) -} - -// Compute the position of the end of a change (its 'to' property -// refers to the pre-change end). -function changeEnd(change) { - if (!change.text) { return change.to } - return Pos(change.from.line + change.text.length - 1, - lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)) -} - -// Adjust a position to refer to the post-change position of the -// same text, or the end of the change if the change covers it. -function adjustForChange(pos, change) { - if (cmp(pos, change.from) < 0) { return pos } - if (cmp(pos, change.to) <= 0) { return changeEnd(change) } - - var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch; - if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; } - return Pos(line, ch) -} - -function computeSelAfterChange(doc, change) { - var out = []; - for (var i = 0; i < doc.sel.ranges.length; i++) { - var range = doc.sel.ranges[i]; - out.push(new Range(adjustForChange(range.anchor, change), - adjustForChange(range.head, change))); - } - return normalizeSelection(out, doc.sel.primIndex) -} - -function offsetPos(pos, old, nw) { - if (pos.line == old.line) - { return Pos(nw.line, pos.ch - old.ch + nw.ch) } - else - { return Pos(nw.line + (pos.line - old.line), pos.ch) } -} - -// Used by replaceSelections to allow moving the selection to the -// start or around the replaced test. Hint may be "start" or "around". -function computeReplacedSel(doc, changes, hint) { - var out = []; - var oldPrev = Pos(doc.first, 0), newPrev = oldPrev; - for (var i = 0; i < changes.length; i++) { - var change = changes[i]; - var from = offsetPos(change.from, oldPrev, newPrev); - var to = offsetPos(changeEnd(change), oldPrev, newPrev); - oldPrev = change.to; - newPrev = to; - if (hint == "around") { - var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0; - out[i] = new Range(inv ? to : from, inv ? from : to); - } else { - out[i] = new Range(from, from); - } - } - return new Selection(out, doc.sel.primIndex) -} - -// Used to get the editor into a consistent state again when options change. - -function loadMode(cm) { - cm.doc.mode = getMode(cm.options, cm.doc.modeOption); - resetModeState(cm); -} - -function resetModeState(cm) { - cm.doc.iter(function (line) { + // Change the content (text, markers) of a line. Automatically + // invalidates cached information and tries to re-estimate the + // line's height. + function updateLine(line, text, markedSpans, estimateHeight) { + line.text = text; if (line.stateAfter) { line.stateAfter = null; } if (line.styles) { line.styles = null; } - }); - cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first; - startWorker(cm, 100); - cm.state.modeGen++; - if (cm.curOp) { regChange(cm); } -} - -// DOCUMENT DATA STRUCTURE - -// By default, updates that start and end at the beginning of a line -// are treated specially, in order to make the association of line -// widgets and marker elements with the text behave more intuitive. -function isWholeLineUpdate(doc, change) { - return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && - (!doc.cm || doc.cm.options.wholeLineUpdateBefore) -} - -// Perform a change on the document data structure. -function updateDoc(doc, change, markedSpans, estimateHeight$$1) { - function spansFor(n) {return markedSpans ? markedSpans[n] : null} - function update(line, text, spans) { - updateLine(line, text, spans, estimateHeight$$1); - signalLater(line, "change", line, change); + if (line.order != null) { line.order = null; } + detachMarkedSpans(line); + attachMarkedSpans(line, markedSpans); + var estHeight = estimateHeight ? estimateHeight(line) : 1; + if (estHeight != line.height) { updateLineHeight(line, estHeight); } } - function linesFor(start, end) { - var result = []; - for (var i = start; i < end; ++i) - { result.push(new Line(text[i], spansFor(i), estimateHeight$$1)); } + + // Detach a line from the document tree and its markers. + function cleanUpLine(line) { + line.parent = null; + detachMarkedSpans(line); + } + + // Convert a style as returned by a mode (either null, or a string + // containing one or more styles) to a CSS style. This is cached, + // and also looks for line-wide styles. + var styleToClassCache = {}, styleToClassCacheWithMode = {}; + function interpretTokenStyle(style, options) { + if (!style || /^\s*$/.test(style)) { return null } + var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache; + return cache[style] || + (cache[style] = style.replace(/\S+/g, "cm-$&")) + } + + // Render the DOM representation of the text of a line. Also builds + // up a 'line map', which points at the DOM nodes that represent + // specific stretches of text, and is used by the measuring code. + // The returned object contains the DOM node, this map, and + // information about line-wide styles that were set by the mode. + function buildLineContent(cm, lineView) { + // The padding-right forces the element to have a 'border', which + // is needed on Webkit to be able to get line-level bounding + // rectangles for it (in measureChar). + var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null); + var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content, + col: 0, pos: 0, cm: cm, + trailingSpace: false, + splitSpaces: cm.getOption("lineWrapping")}; + lineView.measure = {}; + + // Iterate over the logical lines that make up this visual line. + for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) { + var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0); + builder.pos = 0; + builder.addToken = buildToken; + // Optionally wire in some hacks into the token-rendering + // algorithm, to deal with browser quirks. + if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction))) + { builder.addToken = buildTokenBadBidi(builder.addToken, order); } + builder.map = []; + var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line); + insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)); + if (line.styleClasses) { + if (line.styleClasses.bgClass) + { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); } + if (line.styleClasses.textClass) + { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); } + } + + // Ensure at least a single node is present, for measuring. + if (builder.map.length == 0) + { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); } + + // Store the map and a cache object for the current logical line + if (i == 0) { + lineView.measure.map = builder.map; + lineView.measure.cache = {}; + } else { + (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map) + ;(lineView.measure.caches || (lineView.measure.caches = [])).push({}); + } + } + + // See issue #2901 + if (webkit) { + var last = builder.content.lastChild; + if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab"))) + { builder.content.className = "cm-tab-wrap-hack"; } + } + + signal(cm, "renderLine", cm, lineView.line, builder.pre); + if (builder.pre.className) + { builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); } + + return builder + } + + function defaultSpecialCharPlaceholder(ch) { + var token = elt("span", "\u2022", "cm-invalidchar"); + token.title = "\\u" + ch.charCodeAt(0).toString(16); + token.setAttribute("aria-label", token.title); + return token + } + + // Build up the DOM representation for a single token, and add it to + // the line map. Takes care to render special characters separately. + function buildToken(builder, text, style, startStyle, endStyle, title, css) { + if (!text) { return } + var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text; + var special = builder.cm.state.specialChars, mustWrap = false; + var content; + if (!special.test(text)) { + builder.col += text.length; + content = document.createTextNode(displayText); + builder.map.push(builder.pos, builder.pos + text.length, content); + if (ie && ie_version < 9) { mustWrap = true; } + builder.pos += text.length; + } else { + content = document.createDocumentFragment(); + var pos = 0; + while (true) { + special.lastIndex = pos; + var m = special.exec(text); + var skipped = m ? m.index - pos : text.length - pos; + if (skipped) { + var txt = document.createTextNode(displayText.slice(pos, pos + skipped)); + if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])); } + else { content.appendChild(txt); } + builder.map.push(builder.pos, builder.pos + skipped, txt); + builder.col += skipped; + builder.pos += skipped; + } + if (!m) { break } + pos += skipped + 1; + var txt$1 = (void 0); + if (m[0] == "\t") { + var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; + txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); + txt$1.setAttribute("role", "presentation"); + txt$1.setAttribute("cm-text", "\t"); + builder.col += tabWidth; + } else if (m[0] == "\r" || m[0] == "\n") { + txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")); + txt$1.setAttribute("cm-text", m[0]); + builder.col += 1; + } else { + txt$1 = builder.cm.options.specialCharPlaceholder(m[0]); + txt$1.setAttribute("cm-text", m[0]); + if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])); } + else { content.appendChild(txt$1); } + builder.col += 1; + } + builder.map.push(builder.pos, builder.pos + 1, txt$1); + builder.pos++; + } + } + builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32; + if (style || startStyle || endStyle || mustWrap || css) { + var fullStyle = style || ""; + if (startStyle) { fullStyle += startStyle; } + if (endStyle) { fullStyle += endStyle; } + var token = elt("span", [content], fullStyle, css); + if (title) { token.title = title; } + return builder.content.appendChild(token) + } + builder.content.appendChild(content); + } + + // Change some spaces to NBSP to prevent the browser from collapsing + // trailing spaces at the end of a line when rendering text (issue #1362). + function splitSpaces(text, trailingBefore) { + if (text.length > 1 && !/ /.test(text)) { return text } + var spaceBefore = trailingBefore, result = ""; + for (var i = 0; i < text.length; i++) { + var ch = text.charAt(i); + if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32)) + { ch = "\u00a0"; } + result += ch; + spaceBefore = ch == " "; + } return result } - var from = change.from, to = change.to, text = change.text; - var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); - var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line; - - // Adjust the line structure - if (change.full) { - doc.insert(0, linesFor(0, text.length)); - doc.remove(text.length, doc.size - text.length); - } else if (isWholeLineUpdate(doc, change)) { - // This is a whole-line replace. Treated specially to make - // sure line objects move the way they are supposed to. - var added = linesFor(0, text.length - 1); - update(lastLine, lastLine.text, lastSpans); - if (nlines) { doc.remove(from.line, nlines); } - if (added.length) { doc.insert(from.line, added); } - } else if (firstLine == lastLine) { - if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); - } else { - var added$1 = linesFor(1, text.length - 1); - added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight$$1)); - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); - doc.insert(from.line + 1, added$1); + // Work around nonsense dimensions being reported for stretches of + // right-to-left text. + function buildTokenBadBidi(inner, order) { + return function (builder, text, style, startStyle, endStyle, title, css) { + style = style ? style + " cm-force-border" : "cm-force-border"; + var start = builder.pos, end = start + text.length; + for (;;) { + // Find the part that overlaps with the start of this text + var part = (void 0); + for (var i = 0; i < order.length; i++) { + part = order[i]; + if (part.to > start && part.from <= start) { break } + } + if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, title, css) } + inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css); + startStyle = null; + text = text.slice(part.to - start); + start = part.to; + } } - } else if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)); - doc.remove(from.line + 1, nlines); - } else { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); - update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); - var added$2 = linesFor(1, text.length - 1); - if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); } - doc.insert(from.line + 1, added$2); } - signalLater(doc, "change", doc, change); -} + function buildCollapsedSpan(builder, size, marker, ignoreWidget) { + var widget = !ignoreWidget && marker.widgetNode; + if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); } + if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { + if (!widget) + { widget = builder.content.appendChild(document.createElement("span")); } + widget.setAttribute("cm-marker", marker.id); + } + if (widget) { + builder.cm.display.input.setUneditable(widget); + builder.content.appendChild(widget); + } + builder.pos += size; + builder.trailingSpace = false; + } -// Call f for all linked documents. -function linkedDocs(doc, f, sharedHistOnly) { - function propagate(doc, skip, sharedHist) { - if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) { - var rel = doc.linked[i]; - if (rel.doc == skip) { continue } - var shared = sharedHist && rel.sharedHist; - if (sharedHistOnly && !shared) { continue } - f(rel.doc, shared); - propagate(rel.doc, doc, shared); + // Outputs a number of spans to make up a line, taking highlighting + // and marked text into account. + function insertLineContent(line, builder, styles) { + var spans = line.markedSpans, allText = line.text, at = 0; + if (!spans) { + for (var i$1 = 1; i$1 < styles.length; i$1+=2) + { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); } + return + } + + var len = allText.length, pos = 0, i = 1, text = "", style, css; + var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed; + for (;;) { + if (nextChange == pos) { // Update current marker set + spanStyle = spanEndStyle = spanStartStyle = title = css = ""; + collapsed = null; nextChange = Infinity; + var foundBookmarks = [], endStyles = (void 0); + for (var j = 0; j < spans.length; ++j) { + var sp = spans[j], m = sp.marker; + if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { + foundBookmarks.push(m); + } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { + if (sp.to != null && sp.to != pos && nextChange > sp.to) { + nextChange = sp.to; + spanEndStyle = ""; + } + if (m.className) { spanStyle += " " + m.className; } + if (m.css) { css = (css ? css + ";" : "") + m.css; } + if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle; } + if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); } + if (m.title && !title) { title = m.title; } + if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) + { collapsed = sp; } + } else if (sp.from > pos && nextChange > sp.from) { + nextChange = sp.from; + } + } + if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2) + { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1]; } } } + + if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2) + { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } } + if (collapsed && (collapsed.from || 0) == pos) { + buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, + collapsed.marker, collapsed.from == null); + if (collapsed.to == null) { return } + if (collapsed.to == pos) { collapsed = false; } + } + } + if (pos >= len) { break } + + var upto = Math.min(len, nextChange); + while (true) { + if (text) { + var end = pos + text.length; + if (!collapsed) { + var tokenText = end > upto ? text.slice(0, upto - pos) : text; + builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, + spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css); + } + if (end >= upto) {text = text.slice(upto - pos); pos = upto; break} + pos = end; + spanStartStyle = ""; + } + text = allText.slice(at, at = styles[i++]); + style = interpretTokenStyle(styles[i++], builder.cm.options); + } + } + } + + + // These objects are used to represent the visible (currently drawn) + // part of the document. A LineView may correspond to multiple + // logical lines, if those are connected by collapsed ranges. + function LineView(doc, line, lineN) { + // The starting line + this.line = line; + // Continuing lines, if any + this.rest = visualLineContinued(line); + // Number of logical lines in this visual line + this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1; + this.node = this.text = null; + this.hidden = lineIsHidden(doc, line); + } + + // Create a range of LineView objects for the given lines. + function buildViewArray(cm, from, to) { + var array = [], nextPos; + for (var pos = from; pos < to; pos = nextPos) { + var view = new LineView(cm.doc, getLine(cm.doc, pos), pos); + nextPos = pos + view.size; + array.push(view); + } + return array + } + + var operationGroup = null; + + function pushOperation(op) { + if (operationGroup) { + operationGroup.ops.push(op); + } else { + op.ownsGroup = operationGroup = { + ops: [op], + delayedCallbacks: [] + }; + } + } + + function fireCallbacksForOps(group) { + // Calls delayed callbacks and cursorActivity handlers until no + // new ones appear + var callbacks = group.delayedCallbacks, i = 0; + do { + for (; i < callbacks.length; i++) + { callbacks[i].call(null); } + for (var j = 0; j < group.ops.length; j++) { + var op = group.ops[j]; + if (op.cursorActivityHandlers) + { while (op.cursorActivityCalled < op.cursorActivityHandlers.length) + { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } } + } + } while (i < callbacks.length) + } + + function finishOperation(op, endCb) { + var group = op.ownsGroup; + if (!group) { return } + + try { fireCallbacksForOps(group); } + finally { + operationGroup = null; + endCb(group); + } + } + + var orphanDelayedCallbacks = null; + + // Often, we want to signal events at a point where we are in the + // middle of some work, but don't want the handler to start calling + // other methods on the editor, which might be in an inconsistent + // state or simply not expect any other events to happen. + // signalLater looks whether there are any handlers, and schedules + // them to be executed when the last operation ends, or, if no + // operation is active, when a timeout fires. + function signalLater(emitter, type /*, values...*/) { + var arr = getHandlers(emitter, type); + if (!arr.length) { return } + var args = Array.prototype.slice.call(arguments, 2), list; + if (operationGroup) { + list = operationGroup.delayedCallbacks; + } else if (orphanDelayedCallbacks) { + list = orphanDelayedCallbacks; + } else { + list = orphanDelayedCallbacks = []; + setTimeout(fireOrphanDelayed, 0); + } + var loop = function ( i ) { + list.push(function () { return arr[i].apply(null, args); }); + }; + + for (var i = 0; i < arr.length; ++i) + loop( i ); + } + + function fireOrphanDelayed() { + var delayed = orphanDelayedCallbacks; + orphanDelayedCallbacks = null; + for (var i = 0; i < delayed.length; ++i) { delayed[i](); } + } + + // When an aspect of a line changes, a string is added to + // lineView.changes. This updates the relevant part of the line's + // DOM structure. + function updateLineForChanges(cm, lineView, lineN, dims) { + for (var j = 0; j < lineView.changes.length; j++) { + var type = lineView.changes[j]; + if (type == "text") { updateLineText(cm, lineView); } + else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims); } + else if (type == "class") { updateLineClasses(cm, lineView); } + else if (type == "widget") { updateLineWidgets(cm, lineView, dims); } + } + lineView.changes = null; + } + + // Lines with gutter elements, widgets or a background class need to + // be wrapped, and have the extra elements added to the wrapper div + function ensureLineWrapped(lineView) { + if (lineView.node == lineView.text) { + lineView.node = elt("div", null, null, "position: relative"); + if (lineView.text.parentNode) + { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); } + lineView.node.appendChild(lineView.text); + if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; } + } + return lineView.node + } + + function updateLineBackground(cm, lineView) { + var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass; + if (cls) { cls += " CodeMirror-linebackground"; } + if (lineView.background) { + if (cls) { lineView.background.className = cls; } + else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; } + } else if (cls) { + var wrap = ensureLineWrapped(lineView); + lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild); + cm.display.input.setUneditable(lineView.background); + } + } + + // Wrapper around buildLineContent which will reuse the structure + // in display.externalMeasured when possible. + function getLineContent(cm, lineView) { + var ext = cm.display.externalMeasured; + if (ext && ext.line == lineView.line) { + cm.display.externalMeasured = null; + lineView.measure = ext.measure; + return ext.built + } + return buildLineContent(cm, lineView) + } + + // Redraw the line's text. Interacts with the background and text + // classes because the mode may output tokens that influence these + // classes. + function updateLineText(cm, lineView) { + var cls = lineView.text.className; + var built = getLineContent(cm, lineView); + if (lineView.text == lineView.node) { lineView.node = built.pre; } + lineView.text.parentNode.replaceChild(built.pre, lineView.text); + lineView.text = built.pre; + if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) { + lineView.bgClass = built.bgClass; + lineView.textClass = built.textClass; + updateLineClasses(cm, lineView); + } else if (cls) { + lineView.text.className = cls; + } + } + + function updateLineClasses(cm, lineView) { + updateLineBackground(cm, lineView); + if (lineView.line.wrapClass) + { ensureLineWrapped(lineView).className = lineView.line.wrapClass; } + else if (lineView.node != lineView.text) + { lineView.node.className = ""; } + var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass; + lineView.text.className = textClass || ""; + } + + function updateLineGutter(cm, lineView, lineN, dims) { + if (lineView.gutter) { + lineView.node.removeChild(lineView.gutter); + lineView.gutter = null; + } + if (lineView.gutterBackground) { + lineView.node.removeChild(lineView.gutterBackground); + lineView.gutterBackground = null; + } + if (lineView.line.gutterClass) { + var wrap = ensureLineWrapped(lineView); + lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, + ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px")); + cm.display.input.setUneditable(lineView.gutterBackground); + wrap.insertBefore(lineView.gutterBackground, lineView.text); + } + var markers = lineView.line.gutterMarkers; + if (cm.options.lineNumbers || markers) { + var wrap$1 = ensureLineWrapped(lineView); + var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px")); + cm.display.input.setUneditable(gutterWrap); + wrap$1.insertBefore(gutterWrap, lineView.text); + if (lineView.line.gutterClass) + { gutterWrap.className += " " + lineView.line.gutterClass; } + if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) + { lineView.lineNumber = gutterWrap.appendChild( + elt("div", lineNumberFor(cm.options, lineN), + "CodeMirror-linenumber CodeMirror-gutter-elt", + ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))); } + if (markers) { for (var k = 0; k < cm.options.gutters.length; ++k) { + var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id]; + if (found) + { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", + ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))); } + } } + } + } + + function updateLineWidgets(cm, lineView, dims) { + if (lineView.alignable) { lineView.alignable = null; } + for (var node = lineView.node.firstChild, next = (void 0); node; node = next) { + next = node.nextSibling; + if (node.className == "CodeMirror-linewidget") + { lineView.node.removeChild(node); } + } + insertLineWidgets(cm, lineView, dims); + } + + // Build a line's DOM representation from scratch + function buildLineElement(cm, lineView, lineN, dims) { + var built = getLineContent(cm, lineView); + lineView.text = lineView.node = built.pre; + if (built.bgClass) { lineView.bgClass = built.bgClass; } + if (built.textClass) { lineView.textClass = built.textClass; } + + updateLineClasses(cm, lineView); + updateLineGutter(cm, lineView, lineN, dims); + insertLineWidgets(cm, lineView, dims); + return lineView.node + } + + // A lineView may contain multiple logical lines (when merged by + // collapsed spans). The widgets for all of them need to be drawn. + function insertLineWidgets(cm, lineView, dims) { + insertLineWidgetsFor(cm, lineView.line, lineView, dims, true); + if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) + { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } } + } + + function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) { + if (!line.widgets) { return } + var wrap = ensureLineWrapped(lineView); + for (var i = 0, ws = line.widgets; i < ws.length; ++i) { + var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget"); + if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true"); } + positionLineWidget(widget, node, lineView, dims); + cm.display.input.setUneditable(node); + if (allowAbove && widget.above) + { wrap.insertBefore(node, lineView.gutter || lineView.text); } + else + { wrap.appendChild(node); } + signalLater(widget, "redraw"); + } + } + + function positionLineWidget(widget, node, lineView, dims) { + if (widget.noHScroll) { + (lineView.alignable || (lineView.alignable = [])).push(node); + var width = dims.wrapperWidth; + node.style.left = dims.fixedPos + "px"; + if (!widget.coverGutter) { + width -= dims.gutterTotalWidth; + node.style.paddingLeft = dims.gutterTotalWidth + "px"; + } + node.style.width = width + "px"; + } + if (widget.coverGutter) { + node.style.zIndex = 5; + node.style.position = "relative"; + if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px"; } + } + } + + function widgetHeight(widget) { + if (widget.height != null) { return widget.height } + var cm = widget.doc.cm; + if (!cm) { return 0 } + if (!contains(document.body, widget.node)) { + var parentStyle = "position: relative;"; + if (widget.coverGutter) + { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; } + if (widget.noHScroll) + { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; } + removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)); + } + return widget.height = widget.node.parentNode.offsetHeight + } + + // Return true when the given mouse event happened in a widget + function eventInWidget(display, e) { + for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { + if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || + (n.parentNode == display.sizer && n != display.mover)) + { return true } + } + } + + // POSITION MEASUREMENT + + function paddingTop(display) {return display.lineSpace.offsetTop} + function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight} + function paddingH(display) { + if (display.cachedPaddingH) { return display.cachedPaddingH } + var e = removeChildrenAndAdd(display.measure, elt("pre", "x")); + var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle; + var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)}; + if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; } + return data + } + + function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth } + function displayWidth(cm) { + return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth + } + function displayHeight(cm) { + return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight + } + + // Ensure the lineView.wrapping.heights array is populated. This is + // an array of bottom offsets for the lines that make up a drawn + // line. When lineWrapping is on, there might be more than one + // height. + function ensureLineHeights(cm, lineView, rect) { + var wrapping = cm.options.lineWrapping; + var curWidth = wrapping && displayWidth(cm); + if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) { + var heights = lineView.measure.heights = []; + if (wrapping) { + lineView.measure.width = curWidth; + var rects = lineView.text.firstChild.getClientRects(); + for (var i = 0; i < rects.length - 1; i++) { + var cur = rects[i], next = rects[i + 1]; + if (Math.abs(cur.bottom - next.bottom) > 2) + { heights.push((cur.bottom + next.top) / 2 - rect.top); } + } + } + heights.push(rect.bottom - rect.top); + } + } + + // Find a line map (mapping character offsets to text nodes) and a + // measurement cache for the given line number. (A line view might + // contain multiple lines when collapsed ranges are present.) + function mapFromLineView(lineView, line, lineN) { + if (lineView.line == line) + { return {map: lineView.measure.map, cache: lineView.measure.cache} } + for (var i = 0; i < lineView.rest.length; i++) + { if (lineView.rest[i] == line) + { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } } + for (var i$1 = 0; i$1 < lineView.rest.length; i$1++) + { if (lineNo(lineView.rest[i$1]) > lineN) + { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } } + } + + // Render a line into the hidden node display.externalMeasured. Used + // when measurement is needed for a line that's not in the viewport. + function updateExternalMeasurement(cm, line) { + line = visualLine(line); + var lineN = lineNo(line); + var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN); + view.lineN = lineN; + var built = view.built = buildLineContent(cm, view); + view.text = built.pre; + removeChildrenAndAdd(cm.display.lineMeasure, built.pre); + return view + } + + // Get a {top, bottom, left, right} box (in line-local coordinates) + // for a given character. + function measureChar(cm, line, ch, bias) { + return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias) + } + + // Find a line view that corresponds to the given line number. + function findViewForLine(cm, lineN) { + if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo) + { return cm.display.view[findViewIndex(cm, lineN)] } + var ext = cm.display.externalMeasured; + if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) + { return ext } + } + + // Measurement can be split in two steps, the set-up work that + // applies to the whole line, and the measurement of the actual + // character. Functions like coordsChar, that need to do a lot of + // measurements in a row, can thus ensure that the set-up work is + // only done once. + function prepareMeasureForLine(cm, line) { + var lineN = lineNo(line); + var view = findViewForLine(cm, lineN); + if (view && !view.text) { + view = null; + } else if (view && view.changes) { + updateLineForChanges(cm, view, lineN, getDimensions(cm)); + cm.curOp.forceUpdate = true; + } + if (!view) + { view = updateExternalMeasurement(cm, line); } + + var info = mapFromLineView(view, line, lineN); + return { + line: line, view: view, rect: null, + map: info.map, cache: info.cache, before: info.before, + hasHeights: false + } + } + + // Given a prepared measurement object, measures the position of an + // actual character (or fetches it from the cache). + function measureCharPrepared(cm, prepared, ch, bias, varHeight) { + if (prepared.before) { ch = -1; } + var key = ch + (bias || ""), found; + if (prepared.cache.hasOwnProperty(key)) { + found = prepared.cache[key]; + } else { + if (!prepared.rect) + { prepared.rect = prepared.view.text.getBoundingClientRect(); } + if (!prepared.hasHeights) { + ensureLineHeights(cm, prepared.view, prepared.rect); + prepared.hasHeights = true; + } + found = measureCharInner(cm, prepared, ch, bias); + if (!found.bogus) { prepared.cache[key] = found; } + } + return {left: found.left, right: found.right, + top: varHeight ? found.rtop : found.top, + bottom: varHeight ? found.rbottom : found.bottom} + } + + var nullRect = {left: 0, right: 0, top: 0, bottom: 0}; + + function nodeAndOffsetInLineMap(map$$1, ch, bias) { + var node, start, end, collapse, mStart, mEnd; + // First, search the line map for the text node corresponding to, + // or closest to, the target character. + for (var i = 0; i < map$$1.length; i += 3) { + mStart = map$$1[i]; + mEnd = map$$1[i + 1]; + if (ch < mStart) { + start = 0; end = 1; + collapse = "left"; + } else if (ch < mEnd) { + start = ch - mStart; + end = start + 1; + } else if (i == map$$1.length - 3 || ch == mEnd && map$$1[i + 3] > ch) { + end = mEnd - mStart; + start = end - 1; + if (ch >= mEnd) { collapse = "right"; } + } + if (start != null) { + node = map$$1[i + 2]; + if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right")) + { collapse = bias; } + if (bias == "left" && start == 0) + { while (i && map$$1[i - 2] == map$$1[i - 3] && map$$1[i - 1].insertLeft) { + node = map$$1[(i -= 3) + 2]; + collapse = "left"; + } } + if (bias == "right" && start == mEnd - mStart) + { while (i < map$$1.length - 3 && map$$1[i + 3] == map$$1[i + 4] && !map$$1[i + 5].insertLeft) { + node = map$$1[(i += 3) + 2]; + collapse = "right"; + } } + break + } + } + return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd} + } + + function getUsefulRect(rects, bias) { + var rect = nullRect; + if (bias == "left") { for (var i = 0; i < rects.length; i++) { + if ((rect = rects[i]).left != rect.right) { break } + } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) { + if ((rect = rects[i$1]).left != rect.right) { break } + } } + return rect + } + + function measureCharInner(cm, prepared, ch, bias) { + var place = nodeAndOffsetInLineMap(prepared.map, ch, bias); + var node = place.node, start = place.start, end = place.end, collapse = place.collapse; + + var rect; + if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates. + for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned + while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; } + while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; } + if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) + { rect = node.parentNode.getBoundingClientRect(); } + else + { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); } + if (rect.left || rect.right || start == 0) { break } + end = start; + start = start - 1; + collapse = "right"; + } + if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); } + } else { // If it is a widget, simply get the box for the whole widget. + if (start > 0) { collapse = bias = "right"; } + var rects; + if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1) + { rect = rects[bias == "right" ? rects.length - 1 : 0]; } + else + { rect = node.getBoundingClientRect(); } + } + if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) { + var rSpan = node.parentNode.getClientRects()[0]; + if (rSpan) + { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; } + else + { rect = nullRect; } + } + + var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top; + var mid = (rtop + rbot) / 2; + var heights = prepared.view.measure.heights; + var i = 0; + for (; i < heights.length - 1; i++) + { if (mid < heights[i]) { break } } + var top = i ? heights[i - 1] : 0, bot = heights[i]; + var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left, + right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left, + top: top, bottom: bot}; + if (!rect.left && !rect.right) { result.bogus = true; } + if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; } + + return result + } + + // Work around problem with bounding client rects on ranges being + // returned incorrectly when zoomed on IE10 and below. + function maybeUpdateRectForZooming(measure, rect) { + if (!window.screen || screen.logicalXDPI == null || + screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure)) + { return rect } + var scaleX = screen.logicalXDPI / screen.deviceXDPI; + var scaleY = screen.logicalYDPI / screen.deviceYDPI; + return {left: rect.left * scaleX, right: rect.right * scaleX, + top: rect.top * scaleY, bottom: rect.bottom * scaleY} + } + + function clearLineMeasurementCacheFor(lineView) { + if (lineView.measure) { + lineView.measure.cache = {}; + lineView.measure.heights = null; + if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) + { lineView.measure.caches[i] = {}; } } + } + } + + function clearLineMeasurementCache(cm) { + cm.display.externalMeasure = null; + removeChildren(cm.display.lineMeasure); + for (var i = 0; i < cm.display.view.length; i++) + { clearLineMeasurementCacheFor(cm.display.view[i]); } + } + + function clearCaches(cm) { + clearLineMeasurementCache(cm); + cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null; + if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; } + cm.display.lineNumChars = null; + } + + function pageScrollX() { + // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206 + // which causes page_Offset and bounding client rects to use + // different reference viewports and invalidate our calculations. + if (chrome && android) { return -(document.body.getBoundingClientRect().left - parseInt(getComputedStyle(document.body).marginLeft)) } + return window.pageXOffset || (document.documentElement || document.body).scrollLeft + } + function pageScrollY() { + if (chrome && android) { return -(document.body.getBoundingClientRect().top - parseInt(getComputedStyle(document.body).marginTop)) } + return window.pageYOffset || (document.documentElement || document.body).scrollTop + } + + function widgetTopHeight(lineObj) { + var height = 0; + if (lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above) + { height += widgetHeight(lineObj.widgets[i]); } } } + return height + } + + // Converts a {top, bottom, left, right} box from line-local + // coordinates into another coordinate system. Context may be one of + // "line", "div" (display.lineDiv), "local"./null (editor), "window", + // or "page". + function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) { + if (!includeWidgets) { + var height = widgetTopHeight(lineObj); + rect.top += height; rect.bottom += height; + } + if (context == "line") { return rect } + if (!context) { context = "local"; } + var yOff = heightAtLine(lineObj); + if (context == "local") { yOff += paddingTop(cm.display); } + else { yOff -= cm.display.viewOffset; } + if (context == "page" || context == "window") { + var lOff = cm.display.lineSpace.getBoundingClientRect(); + yOff += lOff.top + (context == "window" ? 0 : pageScrollY()); + var xOff = lOff.left + (context == "window" ? 0 : pageScrollX()); + rect.left += xOff; rect.right += xOff; + } + rect.top += yOff; rect.bottom += yOff; + return rect + } + + // Coverts a box from "div" coords to another coordinate system. + // Context may be "window", "page", "div", or "local"./null. + function fromCoordSystem(cm, coords, context) { + if (context == "div") { return coords } + var left = coords.left, top = coords.top; + // First move into "page" coordinate system + if (context == "page") { + left -= pageScrollX(); + top -= pageScrollY(); + } else if (context == "local" || !context) { + var localBox = cm.display.sizer.getBoundingClientRect(); + left += localBox.left; + top += localBox.top; + } + + var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect(); + return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top} + } + + function charCoords(cm, pos, context, lineObj, bias) { + if (!lineObj) { lineObj = getLine(cm.doc, pos.line); } + return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context) + } + + // Returns a box for a given cursor position, which may have an + // 'other' property containing the position of the secondary cursor + // on a bidi boundary. + // A cursor Pos(line, char, "before") is on the same visual line as `char - 1` + // and after `char - 1` in writing order of `char - 1` + // A cursor Pos(line, char, "after") is on the same visual line as `char` + // and before `char` in writing order of `char` + // Examples (upper-case letters are RTL, lower-case are LTR): + // Pos(0, 1, ...) + // before after + // ab a|b a|b + // aB a|B aB| + // Ab |Ab A|b + // AB B|A B|A + // Every position after the last character on a line is considered to stick + // to the last character on the line. + function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) { + lineObj = lineObj || getLine(cm.doc, pos.line); + if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); } + function get(ch, right) { + var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight); + if (right) { m.left = m.right; } else { m.right = m.left; } + return intoCoordSystem(cm, lineObj, m, context) + } + var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky; + if (ch >= lineObj.text.length) { + ch = lineObj.text.length; + sticky = "before"; + } else if (ch <= 0) { + ch = 0; + sticky = "after"; + } + if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") } + + function getBidi(ch, partPos, invert) { + var part = order[partPos], right = part.level == 1; + return get(invert ? ch - 1 : ch, right != invert) + } + var partPos = getBidiPartAt(order, ch, sticky); + var other = bidiOther; + var val = getBidi(ch, partPos, sticky == "before"); + if (other != null) { val.other = getBidi(ch, other, sticky != "before"); } + return val + } + + // Used to cheaply estimate the coordinates for a position. Used for + // intermediate scroll updates. + function estimateCoords(cm, pos) { + var left = 0; + pos = clipPos(cm.doc, pos); + if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; } + var lineObj = getLine(cm.doc, pos.line); + var top = heightAtLine(lineObj) + paddingTop(cm.display); + return {left: left, right: left, top: top, bottom: top + lineObj.height} + } + + // Positions returned by coordsChar contain some extra information. + // xRel is the relative x position of the input coordinates compared + // to the found position (so xRel > 0 means the coordinates are to + // the right of the character position, for example). When outside + // is true, that means the coordinates lie outside the line's + // vertical range. + function PosWithInfo(line, ch, sticky, outside, xRel) { + var pos = Pos(line, ch, sticky); + pos.xRel = xRel; + if (outside) { pos.outside = true; } + return pos + } + + // Compute the character position closest to the given coordinates. + // Input must be lineSpace-local ("div" coordinate system). + function coordsChar(cm, x, y) { + var doc = cm.doc; + y += cm.display.viewOffset; + if (y < 0) { return PosWithInfo(doc.first, 0, null, true, -1) } + var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1; + if (lineN > last) + { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, true, 1) } + if (x < 0) { x = 0; } + + var lineObj = getLine(doc, lineN); + for (;;) { + var found = coordsCharInner(cm, lineObj, lineN, x, y); + var collapsed = collapsedSpanAround(lineObj, found.ch + (found.xRel > 0 ? 1 : 0)); + if (!collapsed) { return found } + var rangeEnd = collapsed.find(1); + if (rangeEnd.line == lineN) { return rangeEnd } + lineObj = getLine(doc, lineN = rangeEnd.line); + } + } + + function wrappedLineExtent(cm, lineObj, preparedMeasure, y) { + y -= widgetTopHeight(lineObj); + var end = lineObj.text.length; + var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0); + end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end); + return {begin: begin, end: end} + } + + function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) { + if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); } + var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top; + return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop) + } + + // Returns true if the given side of a box is after the given + // coordinates, in top-to-bottom, left-to-right order. + function boxIsAfter(box, x, y, left) { + return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x + } + + function coordsCharInner(cm, lineObj, lineNo$$1, x, y) { + // Move y into line-local coordinate space + y -= heightAtLine(lineObj); + var preparedMeasure = prepareMeasureForLine(cm, lineObj); + // When directly calling `measureCharPrepared`, we have to adjust + // for the widgets at this line. + var widgetHeight$$1 = widgetTopHeight(lineObj); + var begin = 0, end = lineObj.text.length, ltr = true; + + var order = getOrder(lineObj, cm.doc.direction); + // If the line isn't plain left-to-right text, first figure out + // which bidi section the coordinates fall into. + if (order) { + var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart) + (cm, lineObj, lineNo$$1, preparedMeasure, order, x, y); + ltr = part.level != 1; + // The awkward -1 offsets are needed because findFirst (called + // on these below) will treat its first bound as inclusive, + // second as exclusive, but we want to actually address the + // characters in the part's range + begin = ltr ? part.from : part.to - 1; + end = ltr ? part.to : part.from - 1; + } + + // A binary search to find the first character whose bounding box + // starts after the coordinates. If we run across any whose box wrap + // the coordinates, store that. + var chAround = null, boxAround = null; + var ch = findFirst(function (ch) { + var box = measureCharPrepared(cm, preparedMeasure, ch); + box.top += widgetHeight$$1; box.bottom += widgetHeight$$1; + if (!boxIsAfter(box, x, y, false)) { return false } + if (box.top <= y && box.left <= x) { + chAround = ch; + boxAround = box; + } + return true + }, begin, end); + + var baseX, sticky, outside = false; + // If a box around the coordinates was found, use that + if (boxAround) { + // Distinguish coordinates nearer to the left or right side of the box + var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr; + ch = chAround + (atStart ? 0 : 1); + sticky = atStart ? "after" : "before"; + baseX = atLeft ? boxAround.left : boxAround.right; + } else { + // (Adjust for extended bound, if necessary.) + if (!ltr && (ch == end || ch == begin)) { ch++; } + // To determine which side to associate with, get the box to the + // left of the character and compare it's vertical position to the + // coordinates + sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" : + (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight$$1 <= y) == ltr ? + "after" : "before"; + // Now get accurate coordinates for this place, in order to get a + // base X position + var coords = cursorCoords(cm, Pos(lineNo$$1, ch, sticky), "line", lineObj, preparedMeasure); + baseX = coords.left; + outside = y < coords.top || y >= coords.bottom; + } + + ch = skipExtendingChars(lineObj.text, ch, 1); + return PosWithInfo(lineNo$$1, ch, sticky, outside, x - baseX) + } + + function coordsBidiPart(cm, lineObj, lineNo$$1, preparedMeasure, order, x, y) { + // Bidi parts are sorted left-to-right, and in a non-line-wrapping + // situation, we can take this ordering to correspond to the visual + // ordering. This finds the first part whose end is after the given + // coordinates. + var index = findFirst(function (i) { + var part = order[i], ltr = part.level != 1; + return boxIsAfter(cursorCoords(cm, Pos(lineNo$$1, ltr ? part.to : part.from, ltr ? "before" : "after"), + "line", lineObj, preparedMeasure), x, y, true) + }, 0, order.length - 1); + var part = order[index]; + // If this isn't the first part, the part's start is also after + // the coordinates, and the coordinates aren't on the same line as + // that start, move one part back. + if (index > 0) { + var ltr = part.level != 1; + var start = cursorCoords(cm, Pos(lineNo$$1, ltr ? part.from : part.to, ltr ? "after" : "before"), + "line", lineObj, preparedMeasure); + if (boxIsAfter(start, x, y, true) && start.top > y) + { part = order[index - 1]; } + } + return part + } + + function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) { + // In a wrapped line, rtl text on wrapping boundaries can do things + // that don't correspond to the ordering in our `order` array at + // all, so a binary search doesn't work, and we want to return a + // part that only spans one line so that the binary search in + // coordsCharInner is safe. As such, we first find the extent of the + // wrapped line, and then do a flat search in which we discard any + // spans that aren't on the line. + var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y); + var begin = ref.begin; + var end = ref.end; + if (/\s/.test(lineObj.text.charAt(end - 1))) { end--; } + var part = null, closestDist = null; + for (var i = 0; i < order.length; i++) { + var p = order[i]; + if (p.from >= end || p.to <= begin) { continue } + var ltr = p.level != 1; + var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right; + // Weigh against spans ending before this, so that they are only + // picked if nothing ends after + var dist = endX < x ? x - endX + 1e9 : endX - x; + if (!part || closestDist > dist) { + part = p; + closestDist = dist; + } + } + if (!part) { part = order[order.length - 1]; } + // Clip the part to the wrapped line. + if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; } + if (part.to > end) { part = {from: part.from, to: end, level: part.level}; } + return part + } + + var measureText; + // Compute the default text height. + function textHeight(display) { + if (display.cachedTextHeight != null) { return display.cachedTextHeight } + if (measureText == null) { + measureText = elt("pre"); + // Measure a bunch of lines, for browsers that compute + // fractional heights. + for (var i = 0; i < 49; ++i) { + measureText.appendChild(document.createTextNode("x")); + measureText.appendChild(elt("br")); + } + measureText.appendChild(document.createTextNode("x")); + } + removeChildrenAndAdd(display.measure, measureText); + var height = measureText.offsetHeight / 50; + if (height > 3) { display.cachedTextHeight = height; } + removeChildren(display.measure); + return height || 1 + } + + // Compute the default character width. + function charWidth(display) { + if (display.cachedCharWidth != null) { return display.cachedCharWidth } + var anchor = elt("span", "xxxxxxxxxx"); + var pre = elt("pre", [anchor]); + removeChildrenAndAdd(display.measure, pre); + var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10; + if (width > 2) { display.cachedCharWidth = width; } + return width || 10 + } + + // Do a bulk-read of the DOM positions and sizes needed to draw the + // view, so that we don't interleave reading and writing to the DOM. + function getDimensions(cm) { + var d = cm.display, left = {}, width = {}; + var gutterLeft = d.gutters.clientLeft; + for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { + left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft; + width[cm.options.gutters[i]] = n.clientWidth; + } + return {fixedPos: compensateForHScroll(d), + gutterTotalWidth: d.gutters.offsetWidth, + gutterLeft: left, + gutterWidth: width, + wrapperWidth: d.wrapper.clientWidth} + } + + // Computes display.scroller.scrollLeft + display.gutters.offsetWidth, + // but using getBoundingClientRect to get a sub-pixel-accurate + // result. + function compensateForHScroll(display) { + return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left + } + + // Returns a function that estimates the height of a line, to use as + // first approximation until the line becomes visible (and is thus + // properly measurable). + function estimateHeight(cm) { + var th = textHeight(cm.display), wrapping = cm.options.lineWrapping; + var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); + return function (line) { + if (lineIsHidden(cm.doc, line)) { return 0 } + + var widgetsHeight = 0; + if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) { + if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; } + } } + + if (wrapping) + { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th } + else + { return widgetsHeight + th } + } + } + + function estimateLineHeights(cm) { + var doc = cm.doc, est = estimateHeight(cm); + doc.iter(function (line) { + var estHeight = est(line); + if (estHeight != line.height) { updateLineHeight(line, estHeight); } + }); + } + + // Given a mouse event, find the corresponding position. If liberal + // is false, it checks whether a gutter or scrollbar was clicked, + // and returns null if it was. forRect is used by rectangular + // selections, and tries to estimate a character position even for + // coordinates beyond the right of the text. + function posFromMouse(cm, e, liberal, forRect) { + var display = cm.display; + if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null } + + var x, y, space = display.lineSpace.getBoundingClientRect(); + // Fails unpredictably on IE[67] when mouse is dragged around quickly. + try { x = e.clientX - space.left; y = e.clientY - space.top; } + catch (e) { return null } + var coords = coordsChar(cm, x, y), line; + if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) { + var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length; + coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)); + } + return coords + } + + // Find the view element corresponding to a given line. Return null + // when the line isn't visible. + function findViewIndex(cm, n) { + if (n >= cm.display.viewTo) { return null } + n -= cm.display.viewFrom; + if (n < 0) { return null } + var view = cm.display.view; + for (var i = 0; i < view.length; i++) { + n -= view[i].size; + if (n < 0) { return i } + } + } + + function updateSelection(cm) { + cm.display.input.showSelection(cm.display.input.prepareSelection()); + } + + function prepareSelection(cm, primary) { + if ( primary === void 0 ) primary = true; + + var doc = cm.doc, result = {}; + var curFragment = result.cursors = document.createDocumentFragment(); + var selFragment = result.selection = document.createDocumentFragment(); + + for (var i = 0; i < doc.sel.ranges.length; i++) { + if (!primary && i == doc.sel.primIndex) { continue } + var range$$1 = doc.sel.ranges[i]; + if (range$$1.from().line >= cm.display.viewTo || range$$1.to().line < cm.display.viewFrom) { continue } + var collapsed = range$$1.empty(); + if (collapsed || cm.options.showCursorWhenSelecting) + { drawSelectionCursor(cm, range$$1.head, curFragment); } + if (!collapsed) + { drawSelectionRange(cm, range$$1, selFragment); } + } + return result + } + + // Draws a cursor for the given range + function drawSelectionCursor(cm, head, output) { + var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine); + + var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")); + cursor.style.left = pos.left + "px"; + cursor.style.top = pos.top + "px"; + cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; + + if (pos.other) { + // Secondary cursor, shown when on a 'jump' in bi-directional text + var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")); + otherCursor.style.display = ""; + otherCursor.style.left = pos.other.left + "px"; + otherCursor.style.top = pos.other.top + "px"; + otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"; + } + } + + function cmpCoords(a, b) { return a.top - b.top || a.left - b.left } + + // Draws the given range as a highlighted selection + function drawSelectionRange(cm, range$$1, output) { + var display = cm.display, doc = cm.doc; + var fragment = document.createDocumentFragment(); + var padding = paddingH(cm.display), leftSide = padding.left; + var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right; + var docLTR = doc.direction == "ltr"; + + function add(left, top, width, bottom) { + if (top < 0) { top = 0; } + top = Math.round(top); + bottom = Math.round(bottom); + fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n height: " + (bottom - top) + "px"))); + } + + function drawForLine(line, fromArg, toArg) { + var lineObj = getLine(doc, line); + var lineLen = lineObj.text.length; + var start, end; + function coords(ch, bias) { + return charCoords(cm, Pos(line, ch), "div", lineObj, bias) + } + + function wrapX(pos, dir, side) { + var extent = wrappedLineExtentChar(cm, lineObj, null, pos); + var prop = (dir == "ltr") == (side == "after") ? "left" : "right"; + var ch = side == "after" ? extent.begin : extent.end - (/\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1); + return coords(ch, prop)[prop] + } + + var order = getOrder(lineObj, doc.direction); + iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) { + var ltr = dir == "ltr"; + var fromPos = coords(from, ltr ? "left" : "right"); + var toPos = coords(to - 1, ltr ? "right" : "left"); + + var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen; + var first = i == 0, last = !order || i == order.length - 1; + if (toPos.top - fromPos.top <= 3) { // Single line + var openLeft = (docLTR ? openStart : openEnd) && first; + var openRight = (docLTR ? openEnd : openStart) && last; + var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left; + var right = openRight ? rightSide : (ltr ? toPos : fromPos).right; + add(left, fromPos.top, right - left, fromPos.bottom); + } else { // Multiple lines + var topLeft, topRight, botLeft, botRight; + if (ltr) { + topLeft = docLTR && openStart && first ? leftSide : fromPos.left; + topRight = docLTR ? rightSide : wrapX(from, dir, "before"); + botLeft = docLTR ? leftSide : wrapX(to, dir, "after"); + botRight = docLTR && openEnd && last ? rightSide : toPos.right; + } else { + topLeft = !docLTR ? leftSide : wrapX(from, dir, "before"); + topRight = !docLTR && openStart && first ? rightSide : fromPos.right; + botLeft = !docLTR && openEnd && last ? leftSide : toPos.left; + botRight = !docLTR ? rightSide : wrapX(to, dir, "after"); + } + add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom); + if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); } + add(botLeft, toPos.top, botRight - botLeft, toPos.bottom); + } + + if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; } + if (cmpCoords(toPos, start) < 0) { start = toPos; } + if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; } + if (cmpCoords(toPos, end) < 0) { end = toPos; } + }); + return {start: start, end: end} + } + + var sFrom = range$$1.from(), sTo = range$$1.to(); + if (sFrom.line == sTo.line) { + drawForLine(sFrom.line, sFrom.ch, sTo.ch); + } else { + var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line); + var singleVLine = visualLine(fromLine) == visualLine(toLine); + var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end; + var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start; + if (singleVLine) { + if (leftEnd.top < rightStart.top - 2) { + add(leftEnd.right, leftEnd.top, null, leftEnd.bottom); + add(leftSide, rightStart.top, rightStart.left, rightStart.bottom); + } else { + add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom); + } + } + if (leftEnd.bottom < rightStart.top) + { add(leftSide, leftEnd.bottom, null, rightStart.top); } + } + + output.appendChild(fragment); + } + + // Cursor-blinking + function restartBlink(cm) { + if (!cm.state.focused) { return } + var display = cm.display; + clearInterval(display.blinker); + var on = true; + display.cursorDiv.style.visibility = ""; + if (cm.options.cursorBlinkRate > 0) + { display.blinker = setInterval(function () { return display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; }, + cm.options.cursorBlinkRate); } + else if (cm.options.cursorBlinkRate < 0) + { display.cursorDiv.style.visibility = "hidden"; } + } + + function ensureFocus(cm) { + if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); } + } + + function delayBlurEvent(cm) { + cm.state.delayingBlurEvent = true; + setTimeout(function () { if (cm.state.delayingBlurEvent) { + cm.state.delayingBlurEvent = false; + onBlur(cm); + } }, 100); + } + + function onFocus(cm, e) { + if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false; } + + if (cm.options.readOnly == "nocursor") { return } + if (!cm.state.focused) { + signal(cm, "focus", cm, e); + cm.state.focused = true; + addClass(cm.display.wrapper, "CodeMirror-focused"); + // This test prevents this from firing when a context + // menu is closed (since the input reset would kill the + // select-all detection hack) + if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { + cm.display.input.reset(); + if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730 + } + cm.display.input.receivedFocus(); + } + restartBlink(cm); + } + function onBlur(cm, e) { + if (cm.state.delayingBlurEvent) { return } + + if (cm.state.focused) { + signal(cm, "blur", cm, e); + cm.state.focused = false; + rmClass(cm.display.wrapper, "CodeMirror-focused"); + } + clearInterval(cm.display.blinker); + setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150); + } + + // Read the actual heights of the rendered lines, and update their + // stored heights to match. + function updateHeightsInViewport(cm) { + var display = cm.display; + var prevBottom = display.lineDiv.offsetTop; + for (var i = 0; i < display.view.length; i++) { + var cur = display.view[i], height = (void 0); + if (cur.hidden) { continue } + if (ie && ie_version < 8) { + var bot = cur.node.offsetTop + cur.node.offsetHeight; + height = bot - prevBottom; + prevBottom = bot; + } else { + var box = cur.node.getBoundingClientRect(); + height = box.bottom - box.top; + } + var diff = cur.line.height - height; + if (height < 2) { height = textHeight(display); } + if (diff > .005 || diff < -.005) { + updateLineHeight(cur.line, height); + updateWidgetHeight(cur.line); + if (cur.rest) { for (var j = 0; j < cur.rest.length; j++) + { updateWidgetHeight(cur.rest[j]); } } + } + } + } + + // Read and store the height of line widgets associated with the + // given line. + function updateWidgetHeight(line) { + if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) { + var w = line.widgets[i], parent = w.node.parentNode; + if (parent) { w.height = parent.offsetHeight; } } } } - propagate(doc, null, true); -} -// Attach a document to an editor. -function attachDoc(cm, doc) { - if (doc.cm) { throw new Error("This document is already in use.") } - cm.doc = doc; - doc.cm = cm; - estimateLineHeights(cm); - loadMode(cm); - setDirectionClass(cm); - if (!cm.options.lineWrapping) { findMaxLine(cm); } - cm.options.mode = doc.modeOption; - regChange(cm); -} + // Compute the lines that are visible in a given viewport (defaults + // the the current scroll position). viewport may contain top, + // height, and ensure (see op.scrollToPos) properties. + function visibleLines(display, doc, viewport) { + var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop; + top = Math.floor(top - paddingTop(display)); + var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight; -function setDirectionClass(cm) { - (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl"); -} - -function directionChanged(cm) { - runInOp(cm, function () { - setDirectionClass(cm); - regChange(cm); - }); -} - -function History(startGen) { - // Arrays of change events and selections. Doing something adds an - // event to done and clears undo. Undoing moves events from done - // to undone, redoing moves them in the other direction. - this.done = []; this.undone = []; - this.undoDepth = Infinity; - // Used to track when changes can be merged into a single undo - // event - this.lastModTime = this.lastSelTime = 0; - this.lastOp = this.lastSelOp = null; - this.lastOrigin = this.lastSelOrigin = null; - // Used by the isClean() method - this.generation = this.maxGeneration = startGen || 1; -} - -// Create a history change event from an updateDoc-style change -// object. -function historyChangeFromChange(doc, change) { - var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)}; - attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); - linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true); - return histChange -} - -// Pop all selection events off the end of a history array. Stop at -// a change event. -function clearSelectionEvents(array) { - while (array.length) { - var last = lst(array); - if (last.ranges) { array.pop(); } - else { break } + var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom); + // Ensure is a {from: {line, ch}, to: {line, ch}} object, and + // forces those lines into the viewport (if possible). + if (viewport && viewport.ensure) { + var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line; + if (ensureFrom < from) { + from = ensureFrom; + to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight); + } else if (Math.min(ensureTo, doc.lastLine()) >= to) { + from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight); + to = ensureTo; + } + } + return {from: from, to: Math.max(to, from + 1)} } -} -// Find the top change event in the history. Pop off selection -// events that are in the way. -function lastChangeEvent(hist, force) { - if (force) { - clearSelectionEvents(hist.done); - return lst(hist.done) - } else if (hist.done.length && !lst(hist.done).ranges) { - return lst(hist.done) - } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) { - hist.done.pop(); - return lst(hist.done) + // Re-align line numbers and gutter marks to compensate for + // horizontal scrolling. + function alignHorizontally(cm) { + var display = cm.display, view = display.view; + if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return } + var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft; + var gutterW = display.gutters.offsetWidth, left = comp + "px"; + for (var i = 0; i < view.length; i++) { if (!view[i].hidden) { + if (cm.options.fixedGutter) { + if (view[i].gutter) + { view[i].gutter.style.left = left; } + if (view[i].gutterBackground) + { view[i].gutterBackground.style.left = left; } + } + var align = view[i].alignable; + if (align) { for (var j = 0; j < align.length; j++) + { align[j].style.left = left; } } + } } + if (cm.options.fixedGutter) + { display.gutters.style.left = (comp + gutterW) + "px"; } } -} -// Register a change in the history. Merges changes that are within -// a single operation, or are close together with an origin that -// allows merging (starting with "+") into a single event. -function addChangeToHistory(doc, change, selAfter, opId) { - var hist = doc.history; - hist.undone.length = 0; - var time = +new Date, cur; - var last; + // Used to ensure that the line number gutter is still the right + // size for the current document size. Returns true when an update + // is needed. + function maybeUpdateLineNumberWidth(cm) { + if (!cm.options.lineNumbers) { return false } + var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display; + if (last.length != display.lineNumChars) { + var test = display.measure.appendChild(elt("div", [elt("div", last)], + "CodeMirror-linenumber CodeMirror-gutter-elt")); + var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; + display.lineGutter.style.width = ""; + display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; + display.lineNumWidth = display.lineNumInnerWidth + padding; + display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; + display.lineGutter.style.width = display.lineNumWidth + "px"; + updateGutterSpace(cm); + return true + } + return false + } - if ((hist.lastOp == opId || - hist.lastOrigin == change.origin && change.origin && - ((change.origin.charAt(0) == "+" && hist.lastModTime > time - (doc.cm ? doc.cm.options.historyEventDelay : 500)) || - change.origin.charAt(0) == "*")) && - (cur = lastChangeEvent(hist, hist.lastOp == opId))) { - // Merge this change into the last event - last = lst(cur.changes); - if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { - // Optimized case for simple insertion -- don't want to add - // new changesets for every character typed - last.to = changeEnd(change); + // SCROLLING THINGS INTO VIEW + + // If an editor sits on the top or bottom of the window, partially + // scrolled out of view, this ensures that the cursor is visible. + function maybeScrollWindow(cm, rect) { + if (signalDOMEvent(cm, "scrollCursorIntoView")) { return } + + var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null; + if (rect.top + box.top < 0) { doScroll = true; } + else if (rect.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false; } + if (doScroll != null && !phantom) { + var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\n height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\n left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;")); + cm.display.lineSpace.appendChild(scrollNode); + scrollNode.scrollIntoView(doScroll); + cm.display.lineSpace.removeChild(scrollNode); + } + } + + // Scroll a given position into view (immediately), verifying that + // it actually became visible (as line heights are accurately + // measured, the position of something may 'drift' during drawing). + function scrollPosIntoView(cm, pos, end, margin) { + if (margin == null) { margin = 0; } + var rect; + if (!cm.options.lineWrapping && pos == end) { + // Set pos and end to the cursor positions around the character pos sticks to + // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch + // If pos == Pos(_, 0, "before"), pos and end are unchanged + pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos; + end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos; + } + for (var limit = 0; limit < 5; limit++) { + var changed = false; + var coords = cursorCoords(cm, pos); + var endCoords = !end || end == pos ? coords : cursorCoords(cm, end); + rect = {left: Math.min(coords.left, endCoords.left), + top: Math.min(coords.top, endCoords.top) - margin, + right: Math.max(coords.left, endCoords.left), + bottom: Math.max(coords.bottom, endCoords.bottom) + margin}; + var scrollPos = calculateScrollPos(cm, rect); + var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft; + if (scrollPos.scrollTop != null) { + updateScrollTop(cm, scrollPos.scrollTop); + if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; } + } + if (scrollPos.scrollLeft != null) { + setScrollLeft(cm, scrollPos.scrollLeft); + if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; } + } + if (!changed) { break } + } + return rect + } + + // Scroll a given set of coordinates into view (immediately). + function scrollIntoView(cm, rect) { + var scrollPos = calculateScrollPos(cm, rect); + if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); } + if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); } + } + + // Calculate a new scroll position needed to scroll the given + // rectangle into view. Returns an object with scrollTop and + // scrollLeft properties. When these are undefined, the + // vertical/horizontal position does not need to be adjusted. + function calculateScrollPos(cm, rect) { + var display = cm.display, snapMargin = textHeight(cm.display); + if (rect.top < 0) { rect.top = 0; } + var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop; + var screen = displayHeight(cm), result = {}; + if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; } + var docBottom = cm.doc.height + paddingVert(display); + var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin; + if (rect.top < screentop) { + result.scrollTop = atTop ? 0 : rect.top; + } else if (rect.bottom > screentop + screen) { + var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen); + if (newTop != screentop) { result.scrollTop = newTop; } + } + + var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft; + var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0); + var tooWide = rect.right - rect.left > screenw; + if (tooWide) { rect.right = rect.left + screenw; } + if (rect.left < 10) + { result.scrollLeft = 0; } + else if (rect.left < screenleft) + { result.scrollLeft = Math.max(0, rect.left - (tooWide ? 0 : 10)); } + else if (rect.right > screenw + screenleft - 3) + { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; } + return result + } + + // Store a relative adjustment to the scroll position in the current + // operation (to be applied when the operation finishes). + function addToScrollTop(cm, top) { + if (top == null) { return } + resolveScrollToPos(cm); + cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top; + } + + // Make sure that at the end of the operation the current cursor is + // shown. + function ensureCursorVisible(cm) { + resolveScrollToPos(cm); + var cur = cm.getCursor(); + cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin}; + } + + function scrollToCoords(cm, x, y) { + if (x != null || y != null) { resolveScrollToPos(cm); } + if (x != null) { cm.curOp.scrollLeft = x; } + if (y != null) { cm.curOp.scrollTop = y; } + } + + function scrollToRange(cm, range$$1) { + resolveScrollToPos(cm); + cm.curOp.scrollToPos = range$$1; + } + + // When an operation has its scrollToPos property set, and another + // scroll action is applied before the end of the operation, this + // 'simulates' scrolling that position into view in a cheap way, so + // that the effect of intermediate scroll commands is not ignored. + function resolveScrollToPos(cm) { + var range$$1 = cm.curOp.scrollToPos; + if (range$$1) { + cm.curOp.scrollToPos = null; + var from = estimateCoords(cm, range$$1.from), to = estimateCoords(cm, range$$1.to); + scrollToCoordsRange(cm, from, to, range$$1.margin); + } + } + + function scrollToCoordsRange(cm, from, to, margin) { + var sPos = calculateScrollPos(cm, { + left: Math.min(from.left, to.left), + top: Math.min(from.top, to.top) - margin, + right: Math.max(from.right, to.right), + bottom: Math.max(from.bottom, to.bottom) + margin + }); + scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop); + } + + // Sync the scrollable area and scrollbars, ensure the viewport + // covers the visible area. + function updateScrollTop(cm, val) { + if (Math.abs(cm.doc.scrollTop - val) < 2) { return } + if (!gecko) { updateDisplaySimple(cm, {top: val}); } + setScrollTop(cm, val, true); + if (gecko) { updateDisplaySimple(cm); } + startWorker(cm, 100); + } + + function setScrollTop(cm, val, forceScroll) { + val = Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val); + if (cm.display.scroller.scrollTop == val && !forceScroll) { return } + cm.doc.scrollTop = val; + cm.display.scrollbars.setScrollTop(val); + if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; } + } + + // Sync scroller and scrollbar, ensure the gutter elements are + // aligned. + function setScrollLeft(cm, val, isScroller, forceScroll) { + val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth); + if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return } + cm.doc.scrollLeft = val; + alignHorizontally(cm); + if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; } + cm.display.scrollbars.setScrollLeft(val); + } + + // SCROLLBARS + + // Prepare DOM reads needed to update the scrollbars. Done in one + // shot to minimize update/measure roundtrips. + function measureForScrollbars(cm) { + var d = cm.display, gutterW = d.gutters.offsetWidth; + var docH = Math.round(cm.doc.height + paddingVert(cm.display)); + return { + clientHeight: d.scroller.clientHeight, + viewHeight: d.wrapper.clientHeight, + scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, + viewWidth: d.wrapper.clientWidth, + barLeft: cm.options.fixedGutter ? gutterW : 0, + docHeight: docH, + scrollHeight: docH + scrollGap(cm) + d.barHeight, + nativeBarWidth: d.nativeBarWidth, + gutterWidth: gutterW + } + } + + var NativeScrollbars = function(place, scroll, cm) { + this.cm = cm; + var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar"); + var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar"); + vert.tabIndex = horiz.tabIndex = -1; + place(vert); place(horiz); + + on(vert, "scroll", function () { + if (vert.clientHeight) { scroll(vert.scrollTop, "vertical"); } + }); + on(horiz, "scroll", function () { + if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal"); } + }); + + this.checkedZeroWidth = false; + // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). + if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; } + }; + + NativeScrollbars.prototype.update = function (measure) { + var needsH = measure.scrollWidth > measure.clientWidth + 1; + var needsV = measure.scrollHeight > measure.clientHeight + 1; + var sWidth = measure.nativeBarWidth; + + if (needsV) { + this.vert.style.display = "block"; + this.vert.style.bottom = needsH ? sWidth + "px" : "0"; + var totalHeight = measure.viewHeight - (needsH ? sWidth : 0); + // A bug in IE8 can cause this value to be negative, so guard it. + this.vert.firstChild.style.height = + Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"; } else { - // Add new sub-event - cur.changes.push(historyChangeFromChange(doc, change)); + this.vert.style.display = ""; + this.vert.firstChild.style.height = "0"; } - } else { - // Can not be merged, start a new event. - var before = lst(hist.done); - if (!before || !before.ranges) - { pushSelectionToHistory(doc.sel, hist.done); } - cur = {changes: [historyChangeFromChange(doc, change)], - generation: hist.generation}; - hist.done.push(cur); - while (hist.done.length > hist.undoDepth) { - hist.done.shift(); - if (!hist.done[0].ranges) { hist.done.shift(); } + + if (needsH) { + this.horiz.style.display = "block"; + this.horiz.style.right = needsV ? sWidth + "px" : "0"; + this.horiz.style.left = measure.barLeft + "px"; + var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0); + this.horiz.firstChild.style.width = + Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px"; + } else { + this.horiz.style.display = ""; + this.horiz.firstChild.style.width = "0"; + } + + if (!this.checkedZeroWidth && measure.clientHeight > 0) { + if (sWidth == 0) { this.zeroWidthHack(); } + this.checkedZeroWidth = true; + } + + return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0} + }; + + NativeScrollbars.prototype.setScrollLeft = function (pos) { + if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; } + if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz"); } + }; + + NativeScrollbars.prototype.setScrollTop = function (pos) { + if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; } + if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert"); } + }; + + NativeScrollbars.prototype.zeroWidthHack = function () { + var w = mac && !mac_geMountainLion ? "12px" : "18px"; + this.horiz.style.height = this.vert.style.width = w; + this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none"; + this.disableHoriz = new Delayed; + this.disableVert = new Delayed; + }; + + NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) { + bar.style.pointerEvents = "auto"; + function maybeDisable() { + // To find out whether the scrollbar is still visible, we + // check whether the element under the pixel in the bottom + // right corner of the scrollbar box is the scrollbar box + // itself (when the bar is still visible) or its filler child + // (when the bar is hidden). If it is still visible, we keep + // it enabled, if it's hidden, we disable pointer events. + var box = bar.getBoundingClientRect(); + var elt$$1 = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2) + : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1); + if (elt$$1 != bar) { bar.style.pointerEvents = "none"; } + else { delay.set(1000, maybeDisable); } + } + delay.set(1000, maybeDisable); + }; + + NativeScrollbars.prototype.clear = function () { + var parent = this.horiz.parentNode; + parent.removeChild(this.horiz); + parent.removeChild(this.vert); + }; + + var NullScrollbars = function () {}; + + NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} }; + NullScrollbars.prototype.setScrollLeft = function () {}; + NullScrollbars.prototype.setScrollTop = function () {}; + NullScrollbars.prototype.clear = function () {}; + + function updateScrollbars(cm, measure) { + if (!measure) { measure = measureForScrollbars(cm); } + var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight; + updateScrollbarsInner(cm, measure); + for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { + if (startWidth != cm.display.barWidth && cm.options.lineWrapping) + { updateHeightsInViewport(cm); } + updateScrollbarsInner(cm, measureForScrollbars(cm)); + startWidth = cm.display.barWidth; startHeight = cm.display.barHeight; } } - hist.done.push(selAfter); - hist.generation = ++hist.maxGeneration; - hist.lastModTime = hist.lastSelTime = time; - hist.lastOp = hist.lastSelOp = opId; - hist.lastOrigin = hist.lastSelOrigin = change.origin; - if (!last) { signal(doc, "historyAdded"); } -} + // Re-synchronize the fake scrollbars with the actual size of the + // content. + function updateScrollbarsInner(cm, measure) { + var d = cm.display; + var sizes = d.scrollbars.update(measure); -function selectionEventCanBeMerged(doc, origin, prev, sel) { - var ch = origin.charAt(0); - return ch == "*" || - ch == "+" && - prev.ranges.length == sel.ranges.length && - prev.somethingSelected() == sel.somethingSelected() && - new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500) -} + d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"; + d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"; + d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent"; -// Called whenever the selection changes, sets the new selection as -// the pending selection in the history, and pushes the old pending -// selection into the 'done' array when it was significantly -// different (in number of selected ranges, emptiness, or time). -function addSelectionToHistory(doc, sel, opId, options) { - var hist = doc.history, origin = options && options.origin; - - // A new event is started when the previous origin does not match - // the current, or the origins don't allow matching. Origins - // starting with * are always merged, those starting with + are - // merged when similar and close together in time. - if (opId == hist.lastSelOp || - (origin && hist.lastSelOrigin == origin && - (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || - selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) - { hist.done[hist.done.length - 1] = sel; } - else - { pushSelectionToHistory(sel, hist.done); } - - hist.lastSelTime = +new Date; - hist.lastSelOrigin = origin; - hist.lastSelOp = opId; - if (options && options.clearRedo !== false) - { clearSelectionEvents(hist.undone); } -} - -function pushSelectionToHistory(sel, dest) { - var top = lst(dest); - if (!(top && top.ranges && top.equals(sel))) - { dest.push(sel); } -} - -// Used to store marked span information in the history. -function attachLocalSpans(doc, change, from, to) { - var existing = change["spans_" + doc.id], n = 0; - doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) { - if (line.markedSpans) - { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; } - ++n; - }); -} - -// When un/re-doing restores text containing marked spans, those -// that have been explicitly cleared should not be restored. -function removeClearedSpans(spans) { - if (!spans) { return null } - var out; - for (var i = 0; i < spans.length; ++i) { - if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } } - else if (out) { out.push(spans[i]); } + if (sizes.right && sizes.bottom) { + d.scrollbarFiller.style.display = "block"; + d.scrollbarFiller.style.height = sizes.bottom + "px"; + d.scrollbarFiller.style.width = sizes.right + "px"; + } else { d.scrollbarFiller.style.display = ""; } + if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { + d.gutterFiller.style.display = "block"; + d.gutterFiller.style.height = sizes.bottom + "px"; + d.gutterFiller.style.width = measure.gutterWidth + "px"; + } else { d.gutterFiller.style.display = ""; } } - return !out ? spans : out.length ? out : null -} -// Retrieve and filter the old marked spans stored in a change event. -function getOldSpans(doc, change) { - var found = change["spans_" + doc.id]; - if (!found) { return null } - var nw = []; - for (var i = 0; i < change.text.length; ++i) - { nw.push(removeClearedSpans(found[i])); } - return nw -} + var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}; -// Used for un/re-doing changes from the history. Combines the -// result of computing the existing spans with the set of spans that -// existed in the history (so that deleting around a span and then -// undoing brings back the span). -function mergeOldSpans(doc, change) { - var old = getOldSpans(doc, change); - var stretched = stretchSpansOverChange(doc, change); - if (!old) { return stretched } - if (!stretched) { return old } + function initScrollbars(cm) { + if (cm.display.scrollbars) { + cm.display.scrollbars.clear(); + if (cm.display.scrollbars.addClass) + { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); } + } - for (var i = 0; i < old.length; ++i) { - var oldCur = old[i], stretchCur = stretched[i]; - if (oldCur && stretchCur) { - spans: for (var j = 0; j < stretchCur.length; ++j) { - var span = stretchCur[j]; - for (var k = 0; k < oldCur.length; ++k) - { if (oldCur[k].marker == span.marker) { continue spans } } - oldCur.push(span); + cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) { + cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); + // Prevent clicks in the scrollbars from killing focus + on(node, "mousedown", function () { + if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); } + }); + node.setAttribute("cm-not-content", "true"); + }, function (pos, axis) { + if (axis == "horizontal") { setScrollLeft(cm, pos); } + else { updateScrollTop(cm, pos); } + }, cm); + if (cm.display.scrollbars.addClass) + { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); } + } + + // Operations are used to wrap a series of changes to the editor + // state in such a way that each change won't have to update the + // cursor and display (which would be awkward, slow, and + // error-prone). Instead, display updates are batched and then all + // combined and executed at once. + + var nextOpId = 0; + // Start a new operation. + function startOperation(cm) { + cm.curOp = { + cm: cm, + viewChanged: false, // Flag that indicates that lines might need to be redrawn + startHeight: cm.doc.height, // Used to detect need to update scrollbar + forceUpdate: false, // Used to force a redraw + updateInput: null, // Whether to reset the input textarea + typing: false, // Whether this reset should be careful to leave existing text (for compositing) + changeObjs: null, // Accumulated changes, for firing change events + cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on + cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already + selectionChanged: false, // Whether the selection needs to be redrawn + updateMaxLine: false, // Set when the widest line needs to be determined anew + scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet + scrollToPos: null, // Used to scroll to a specific position + focus: false, + id: ++nextOpId // Unique ID + }; + pushOperation(cm.curOp); + } + + // Finish an operation, updating the display and signalling delayed events + function endOperation(cm) { + var op = cm.curOp; + if (op) { finishOperation(op, function (group) { + for (var i = 0; i < group.ops.length; i++) + { group.ops[i].cm.curOp = null; } + endOperations(group); + }); } + } + + // The DOM updates done when an operation finishes are batched so + // that the minimum number of relayouts are required. + function endOperations(group) { + var ops = group.ops; + for (var i = 0; i < ops.length; i++) // Read DOM + { endOperation_R1(ops[i]); } + for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe) + { endOperation_W1(ops[i$1]); } + for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM + { endOperation_R2(ops[i$2]); } + for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe) + { endOperation_W2(ops[i$3]); } + for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM + { endOperation_finish(ops[i$4]); } + } + + function endOperation_R1(op) { + var cm = op.cm, display = cm.display; + maybeClipScrollbars(cm); + if (op.updateMaxLine) { findMaxLine(cm); } + + op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || + op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || + op.scrollToPos.to.line >= display.viewTo) || + display.maxLineChanged && cm.options.lineWrapping; + op.update = op.mustUpdate && + new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate); + } + + function endOperation_W1(op) { + op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update); + } + + function endOperation_R2(op) { + var cm = op.cm, display = cm.display; + if (op.updatedDisplay) { updateHeightsInViewport(cm); } + + op.barMeasure = measureForScrollbars(cm); + + // If the max line changed since it was last measured, measure it, + // and ensure the document's width matches it. + // updateDisplay_W2 will use these properties to do the actual resizing + if (display.maxLineChanged && !cm.options.lineWrapping) { + op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3; + cm.display.sizerWidth = op.adjustWidthTo; + op.barMeasure.scrollWidth = + Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth); + op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm)); + } + + if (op.updatedDisplay || op.selectionChanged) + { op.preparedSelection = display.input.prepareSelection(); } + } + + function endOperation_W2(op) { + var cm = op.cm; + + if (op.adjustWidthTo != null) { + cm.display.sizer.style.minWidth = op.adjustWidthTo + "px"; + if (op.maxScrollLeft < cm.doc.scrollLeft) + { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); } + cm.display.maxLineChanged = false; + } + + var takeFocus = op.focus && op.focus == activeElt(); + if (op.preparedSelection) + { cm.display.input.showSelection(op.preparedSelection, takeFocus); } + if (op.updatedDisplay || op.startHeight != cm.doc.height) + { updateScrollbars(cm, op.barMeasure); } + if (op.updatedDisplay) + { setDocumentHeight(cm, op.barMeasure); } + + if (op.selectionChanged) { restartBlink(cm); } + + if (cm.state.focused && op.updateInput) + { cm.display.input.reset(op.typing); } + if (takeFocus) { ensureFocus(op.cm); } + } + + function endOperation_finish(op) { + var cm = op.cm, display = cm.display, doc = cm.doc; + + if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); } + + // Abort mouse wheel delta measurement, when scrolling explicitly + if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos)) + { display.wheelStartX = display.wheelStartY = null; } + + // Propagate the scroll position to the actual DOM scroller + if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); } + + if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); } + // If we need to scroll a specific position into view, do so. + if (op.scrollToPos) { + var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), + clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin); + maybeScrollWindow(cm, rect); + } + + // Fire events for markers that are hidden/unidden by editing or + // undoing + var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers; + if (hidden) { for (var i = 0; i < hidden.length; ++i) + { if (!hidden[i].lines.length) { signal(hidden[i], "hide"); } } } + if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1) + { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide"); } } } + + if (display.wrapper.offsetHeight) + { doc.scrollTop = cm.display.scroller.scrollTop; } + + // Fire change events, and delayed event handlers + if (op.changeObjs) + { signal(cm, "changes", cm, op.changeObjs); } + if (op.update) + { op.update.finish(); } + } + + // Run the given function in an operation + function runInOp(cm, f) { + if (cm.curOp) { return f() } + startOperation(cm); + try { return f() } + finally { endOperation(cm); } + } + // Wraps a function in an operation. Returns the wrapped function. + function operation(cm, f) { + return function() { + if (cm.curOp) { return f.apply(cm, arguments) } + startOperation(cm); + try { return f.apply(cm, arguments) } + finally { endOperation(cm); } + } + } + // Used to add methods to editor and doc instances, wrapping them in + // operations. + function methodOp(f) { + return function() { + if (this.curOp) { return f.apply(this, arguments) } + startOperation(this); + try { return f.apply(this, arguments) } + finally { endOperation(this); } + } + } + function docMethodOp(f) { + return function() { + var cm = this.cm; + if (!cm || cm.curOp) { return f.apply(this, arguments) } + startOperation(cm); + try { return f.apply(this, arguments) } + finally { endOperation(cm); } + } + } + + // Updates the display.view data structure for a given change to the + // document. From and to are in pre-change coordinates. Lendiff is + // the amount of lines added or subtracted by the change. This is + // used for changes that span multiple lines, or change the way + // lines are divided into visual lines. regLineChange (below) + // registers single-line changes. + function regChange(cm, from, to, lendiff) { + if (from == null) { from = cm.doc.first; } + if (to == null) { to = cm.doc.first + cm.doc.size; } + if (!lendiff) { lendiff = 0; } + + var display = cm.display; + if (lendiff && to < display.viewTo && + (display.updateLineNumbers == null || display.updateLineNumbers > from)) + { display.updateLineNumbers = from; } + + cm.curOp.viewChanged = true; + + if (from >= display.viewTo) { // Change after + if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo) + { resetView(cm); } + } else if (to <= display.viewFrom) { // Change before + if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) { + resetView(cm); + } else { + display.viewFrom += lendiff; + display.viewTo += lendiff; } - } else if (stretchCur) { - old[i] = stretchCur; - } - } - return old -} - -// Used both to provide a JSON-safe object in .getHistory, and, when -// detaching a document, to split the history in two -function copyHistoryArray(events, newGroup, instantiateSel) { - var copy = []; - for (var i = 0; i < events.length; ++i) { - var event = events[i]; - if (event.ranges) { - copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event); - continue - } - var changes = event.changes, newChanges = []; - copy.push({changes: newChanges}); - for (var j = 0; j < changes.length; ++j) { - var change = changes[j], m = (void 0); - newChanges.push({from: change.from, to: change.to, text: change.text}); - if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) { - if (indexOf(newGroup, Number(m[1])) > -1) { - lst(newChanges)[prop] = change[prop]; - delete change[prop]; - } - } } } - } - } - return copy -} - -// The 'scroll' parameter given to many of these indicated whether -// the new cursor position should be scrolled into view after -// modifying the selection. - -// If shift is held or the extend flag is set, extends a range to -// include a given position (and optionally a second position). -// Otherwise, simply returns the range between the given positions. -// Used for cursor motion and such. -function extendRange(range, head, other, extend) { - if (extend) { - var anchor = range.anchor; - if (other) { - var posBefore = cmp(head, anchor) < 0; - if (posBefore != (cmp(other, anchor) < 0)) { - anchor = head; - head = other; - } else if (posBefore != (cmp(head, other) < 0)) { - head = other; + } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap + resetView(cm); + } else if (from <= display.viewFrom) { // Top overlap + var cut = viewCuttingPoint(cm, to, to + lendiff, 1); + if (cut) { + display.view = display.view.slice(cut.index); + display.viewFrom = cut.lineN; + display.viewTo += lendiff; + } else { + resetView(cm); + } + } else if (to >= display.viewTo) { // Bottom overlap + var cut$1 = viewCuttingPoint(cm, from, from, -1); + if (cut$1) { + display.view = display.view.slice(0, cut$1.index); + display.viewTo = cut$1.lineN; + } else { + resetView(cm); + } + } else { // Gap in the middle + var cutTop = viewCuttingPoint(cm, from, from, -1); + var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1); + if (cutTop && cutBot) { + display.view = display.view.slice(0, cutTop.index) + .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN)) + .concat(display.view.slice(cutBot.index)); + display.viewTo += lendiff; + } else { + resetView(cm); } } - return new Range(anchor, head) - } else { - return new Range(other || head, head) + + var ext = display.externalMeasured; + if (ext) { + if (to < ext.lineN) + { ext.lineN += lendiff; } + else if (from < ext.lineN + ext.size) + { display.externalMeasured = null; } + } } -} -// Extend the primary selection range, discard the rest. -function extendSelection(doc, head, other, options, extend) { - if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); } - setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options); -} + // Register a change to a single line. Type must be one of "text", + // "gutter", "class", "widget" + function regLineChange(cm, line, type) { + cm.curOp.viewChanged = true; + var display = cm.display, ext = cm.display.externalMeasured; + if (ext && line >= ext.lineN && line < ext.lineN + ext.size) + { display.externalMeasured = null; } -// Extend all selections (pos is an array of selections with length -// equal the number of selections) -function extendSelections(doc, heads, options) { - var out = []; - var extend = doc.cm && (doc.cm.display.shift || doc.extend); - for (var i = 0; i < doc.sel.ranges.length; i++) - { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); } - var newSel = normalizeSelection(out, doc.sel.primIndex); - setSelection(doc, newSel, options); -} + if (line < display.viewFrom || line >= display.viewTo) { return } + var lineView = display.view[findViewIndex(cm, line)]; + if (lineView.node == null) { return } + var arr = lineView.changes || (lineView.changes = []); + if (indexOf(arr, type) == -1) { arr.push(type); } + } -// Updates a single range in the selection. -function replaceOneSelection(doc, i, range, options) { - var ranges = doc.sel.ranges.slice(0); - ranges[i] = range; - setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options); -} + // Clear the view. + function resetView(cm) { + cm.display.viewFrom = cm.display.viewTo = cm.doc.first; + cm.display.view = []; + cm.display.viewOffset = 0; + } -// Reset the selection to a single range. -function setSimpleSelection(doc, anchor, head, options) { - setSelection(doc, simpleSelection(anchor, head), options); -} + function viewCuttingPoint(cm, oldN, newN, dir) { + var index = findViewIndex(cm, oldN), diff, view = cm.display.view; + if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size) + { return {index: index, lineN: newN} } + var n = cm.display.viewFrom; + for (var i = 0; i < index; i++) + { n += view[i].size; } + if (n != oldN) { + if (dir > 0) { + if (index == view.length - 1) { return null } + diff = (n + view[index].size) - oldN; + index++; + } else { + diff = n - oldN; + } + oldN += diff; newN += diff; + } + while (visualLineNo(cm.doc, newN) != newN) { + if (index == (dir < 0 ? 0 : view.length - 1)) { return null } + newN += dir * view[index - (dir < 0 ? 1 : 0)].size; + index += dir; + } + return {index: index, lineN: newN} + } -// Give beforeSelectionChange handlers a change to influence a -// selection update. -function filterSelectionChange(doc, sel, options) { - var obj = { - ranges: sel.ranges, - update: function(ranges) { + // Force the view to cover a given range, adding empty view element + // or clipping off existing ones as needed. + function adjustView(cm, from, to) { + var display = cm.display, view = display.view; + if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) { + display.view = buildViewArray(cm, from, to); + display.viewFrom = from; + } else { + if (display.viewFrom > from) + { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); } + else if (display.viewFrom < from) + { display.view = display.view.slice(findViewIndex(cm, from)); } + display.viewFrom = from; + if (display.viewTo < to) + { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); } + else if (display.viewTo > to) + { display.view = display.view.slice(0, findViewIndex(cm, to)); } + } + display.viewTo = to; + } + + // Count the number of lines in the view whose DOM representation is + // out of date (or nonexistent). + function countDirtyView(cm) { + var view = cm.display.view, dirty = 0; + for (var i = 0; i < view.length; i++) { + var lineView = view[i]; + if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; } + } + return dirty + } + + // HIGHLIGHT WORKER + + function startWorker(cm, time) { + if (cm.doc.highlightFrontier < cm.display.viewTo) + { cm.state.highlight.set(time, bind(highlightWorker, cm)); } + } + + function highlightWorker(cm) { + var doc = cm.doc; + if (doc.highlightFrontier >= cm.display.viewTo) { return } + var end = +new Date + cm.options.workTime; + var context = getContextBefore(cm, doc.highlightFrontier); + var changedLines = []; + + doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) { + if (context.line >= cm.display.viewFrom) { // Visible + var oldStyles = line.styles; + var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null; + var highlighted = highlightLine(cm, line, context, true); + if (resetState) { context.state = resetState; } + line.styles = highlighted.styles; + var oldCls = line.styleClasses, newCls = highlighted.classes; + if (newCls) { line.styleClasses = newCls; } + else if (oldCls) { line.styleClasses = null; } + var ischange = !oldStyles || oldStyles.length != line.styles.length || + oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass); + for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; } + if (ischange) { changedLines.push(context.line); } + line.stateAfter = context.save(); + context.nextLine(); + } else { + if (line.text.length <= cm.options.maxHighlightLength) + { processLine(cm, line.text, context); } + line.stateAfter = context.line % 5 == 0 ? context.save() : null; + context.nextLine(); + } + if (+new Date > end) { + startWorker(cm, cm.options.workDelay); + return true + } + }); + doc.highlightFrontier = context.line; + doc.modeFrontier = Math.max(doc.modeFrontier, context.line); + if (changedLines.length) { runInOp(cm, function () { + for (var i = 0; i < changedLines.length; i++) + { regLineChange(cm, changedLines[i], "text"); } + }); } + } + + // DISPLAY DRAWING + + var DisplayUpdate = function(cm, viewport, force) { + var display = cm.display; + + this.viewport = viewport; + // Store some values that we'll need later (but don't want to force a relayout for) + this.visible = visibleLines(display, cm.doc, viewport); + this.editorIsHidden = !display.wrapper.offsetWidth; + this.wrapperHeight = display.wrapper.clientHeight; + this.wrapperWidth = display.wrapper.clientWidth; + this.oldDisplayWidth = displayWidth(cm); + this.force = force; + this.dims = getDimensions(cm); + this.events = []; + }; + + DisplayUpdate.prototype.signal = function (emitter, type) { + if (hasHandler(emitter, type)) + { this.events.push(arguments); } + }; + DisplayUpdate.prototype.finish = function () { var this$1 = this; - this.ranges = []; - for (var i = 0; i < ranges.length; i++) - { this$1.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), - clipPos(doc, ranges[i].head)); } - }, - origin: options && options.origin + for (var i = 0; i < this.events.length; i++) + { signal.apply(null, this$1.events[i]); } }; - signal(doc, "beforeSelectionChange", doc, obj); - if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj); } - if (obj.ranges != sel.ranges) { return normalizeSelection(obj.ranges, obj.ranges.length - 1) } - else { return sel } -} -function setSelectionReplaceHistory(doc, sel, options) { - var done = doc.history.done, last = lst(done); - if (last && last.ranges) { - done[done.length - 1] = sel; - setSelectionNoUndo(doc, sel, options); - } else { - setSelection(doc, sel, options); - } -} - -// Set a new selection. -function setSelection(doc, sel, options) { - setSelectionNoUndo(doc, sel, options); - addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options); -} - -function setSelectionNoUndo(doc, sel, options) { - if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) - { sel = filterSelectionChange(doc, sel, options); } - - var bias = options && options.bias || - (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1); - setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true)); - - if (!(options && options.scroll === false) && doc.cm) - { ensureCursorVisible(doc.cm); } -} - -function setSelectionInner(doc, sel) { - if (sel.equals(doc.sel)) { return } - - doc.sel = sel; - - if (doc.cm) { - doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true; - signalCursorActivity(doc.cm); - } - signalLater(doc, "cursorActivity", doc); -} - -// Verify that the selection does not partially select any atomic -// marked ranges. -function reCheckSelection(doc) { - setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false)); -} - -// Return a selection that does not partially select any atomic -// ranges. -function skipAtomicInSelection(doc, sel, bias, mayClear) { - var out; - for (var i = 0; i < sel.ranges.length; i++) { - var range = sel.ranges[i]; - var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i]; - var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear); - var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear); - if (out || newAnchor != range.anchor || newHead != range.head) { - if (!out) { out = sel.ranges.slice(0, i); } - out[i] = new Range(newAnchor, newHead); + function maybeClipScrollbars(cm) { + var display = cm.display; + if (!display.scrollbarsClipped && display.scroller.offsetWidth) { + display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth; + display.heightForcer.style.height = scrollGap(cm) + "px"; + display.sizer.style.marginBottom = -display.nativeBarWidth + "px"; + display.sizer.style.borderRightWidth = scrollGap(cm) + "px"; + display.scrollbarsClipped = true; } } - return out ? normalizeSelection(out, sel.primIndex) : sel -} -function skipAtomicInner(doc, pos, oldPos, dir, mayClear) { - var line = getLine(doc, pos.line); - if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { - var sp = line.markedSpans[i], m = sp.marker; - if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) && - (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) { - if (mayClear) { - signal(m, "beforeCursorEnter"); - if (m.explicitlyCleared) { - if (!line.markedSpans) { break } - else {--i; continue} + function selectionSnapshot(cm) { + if (cm.hasFocus()) { return null } + var active = activeElt(); + if (!active || !contains(cm.display.lineDiv, active)) { return null } + var result = {activeElt: active}; + if (window.getSelection) { + var sel = window.getSelection(); + if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) { + result.anchorNode = sel.anchorNode; + result.anchorOffset = sel.anchorOffset; + result.focusNode = sel.focusNode; + result.focusOffset = sel.focusOffset; + } + } + return result + } + + function restoreSelection(snapshot) { + if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt()) { return } + snapshot.activeElt.focus(); + if (snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) { + var sel = window.getSelection(), range$$1 = document.createRange(); + range$$1.setEnd(snapshot.anchorNode, snapshot.anchorOffset); + range$$1.collapse(false); + sel.removeAllRanges(); + sel.addRange(range$$1); + sel.extend(snapshot.focusNode, snapshot.focusOffset); + } + } + + // Does the actual updating of the line display. Bails out + // (returning false) when there is nothing to be done and forced is + // false. + function updateDisplayIfNeeded(cm, update) { + var display = cm.display, doc = cm.doc; + + if (update.editorIsHidden) { + resetView(cm); + return false + } + + // Bail out if the visible area is already rendered and nothing changed. + if (!update.force && + update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && + display.renderedView == display.view && countDirtyView(cm) == 0) + { return false } + + if (maybeUpdateLineNumberWidth(cm)) { + resetView(cm); + update.dims = getDimensions(cm); + } + + // Compute a suitable new viewport (from & to) + var end = doc.first + doc.size; + var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first); + var to = Math.min(end, update.visible.to + cm.options.viewportMargin); + if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); } + if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); } + if (sawCollapsedSpans) { + from = visualLineNo(cm.doc, from); + to = visualLineEndNo(cm.doc, to); + } + + var different = from != display.viewFrom || to != display.viewTo || + display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth; + adjustView(cm, from, to); + + display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)); + // Position the mover div to align with the current scroll position + cm.display.mover.style.top = display.viewOffset + "px"; + + var toUpdate = countDirtyView(cm); + if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) + { return false } + + // For big changes, we hide the enclosing element during the + // update, since that speeds up the operations on most browsers. + var selSnapshot = selectionSnapshot(cm); + if (toUpdate > 4) { display.lineDiv.style.display = "none"; } + patchDisplay(cm, display.updateLineNumbers, update.dims); + if (toUpdate > 4) { display.lineDiv.style.display = ""; } + display.renderedView = display.view; + // There might have been a widget with a focused element that got + // hidden or updated, if so re-focus it. + restoreSelection(selSnapshot); + + // Prevent selection and cursors from interfering with the scroll + // width and height. + removeChildren(display.cursorDiv); + removeChildren(display.selectionDiv); + display.gutters.style.height = display.sizer.style.minHeight = 0; + + if (different) { + display.lastWrapHeight = update.wrapperHeight; + display.lastWrapWidth = update.wrapperWidth; + startWorker(cm, 400); + } + + display.updateLineNumbers = null; + + return true + } + + function postUpdateDisplay(cm, update) { + var viewport = update.viewport; + + for (var first = true;; first = false) { + if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { + // Clip forced viewport to actual scrollable area. + if (viewport && viewport.top != null) + { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; } + // Updated line heights might result in the drawn area not + // actually covering the viewport. Keep looping until it does. + update.visible = visibleLines(cm.display, cm.doc, viewport); + if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) + { break } + } + if (!updateDisplayIfNeeded(cm, update)) { break } + updateHeightsInViewport(cm); + var barMeasure = measureForScrollbars(cm); + updateSelection(cm); + updateScrollbars(cm, barMeasure); + setDocumentHeight(cm, barMeasure); + update.force = false; + } + + update.signal(cm, "update", cm); + if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { + update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); + cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo; + } + } + + function updateDisplaySimple(cm, viewport) { + var update = new DisplayUpdate(cm, viewport); + if (updateDisplayIfNeeded(cm, update)) { + updateHeightsInViewport(cm); + postUpdateDisplay(cm, update); + var barMeasure = measureForScrollbars(cm); + updateSelection(cm); + updateScrollbars(cm, barMeasure); + setDocumentHeight(cm, barMeasure); + update.finish(); + } + } + + // Sync the actual display DOM structure with display.view, removing + // nodes for lines that are no longer in view, and creating the ones + // that are not there yet, and updating the ones that are out of + // date. + function patchDisplay(cm, updateNumbersFrom, dims) { + var display = cm.display, lineNumbers = cm.options.lineNumbers; + var container = display.lineDiv, cur = container.firstChild; + + function rm(node) { + var next = node.nextSibling; + // Works around a throw-scroll bug in OS X Webkit + if (webkit && mac && cm.display.currentWheelTarget == node) + { node.style.display = "none"; } + else + { node.parentNode.removeChild(node); } + return next + } + + var view = display.view, lineN = display.viewFrom; + // Loop over the elements in the view, syncing cur (the DOM nodes + // in display.lineDiv) with the view as we go. + for (var i = 0; i < view.length; i++) { + var lineView = view[i]; + if (lineView.hidden) ; else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet + var node = buildLineElement(cm, lineView, lineN, dims); + container.insertBefore(node, cur); + } else { // Already drawn + while (cur != lineView.node) { cur = rm(cur); } + var updateNumber = lineNumbers && updateNumbersFrom != null && + updateNumbersFrom <= lineN && lineView.lineNumber; + if (lineView.changes) { + if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false; } + updateLineForChanges(cm, lineView, lineN, dims); + } + if (updateNumber) { + removeChildren(lineView.lineNumber); + lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))); + } + cur = lineView.node.nextSibling; + } + lineN += lineView.size; + } + while (cur) { cur = rm(cur); } + } + + function updateGutterSpace(cm) { + var width = cm.display.gutters.offsetWidth; + cm.display.sizer.style.marginLeft = width + "px"; + } + + function setDocumentHeight(cm, measure) { + cm.display.sizer.style.minHeight = measure.docHeight + "px"; + cm.display.heightForcer.style.top = measure.docHeight + "px"; + cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px"; + } + + // Rebuild the gutter elements, ensure the margin to the left of the + // code matches their width. + function updateGutters(cm) { + var gutters = cm.display.gutters, specs = cm.options.gutters; + removeChildren(gutters); + var i = 0; + for (; i < specs.length; ++i) { + var gutterClass = specs[i]; + var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass)); + if (gutterClass == "CodeMirror-linenumbers") { + cm.display.lineGutter = gElt; + gElt.style.width = (cm.display.lineNumWidth || 1) + "px"; + } + } + gutters.style.display = i ? "" : "none"; + updateGutterSpace(cm); + } + + // Make sure the gutters options contains the element + // "CodeMirror-linenumbers" when the lineNumbers option is true. + function setGuttersForLineNumbers(options) { + var found = indexOf(options.gutters, "CodeMirror-linenumbers"); + if (found == -1 && options.lineNumbers) { + options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]); + } else if (found > -1 && !options.lineNumbers) { + options.gutters = options.gutters.slice(0); + options.gutters.splice(found, 1); + } + } + + // Since the delta values reported on mouse wheel events are + // unstandardized between browsers and even browser versions, and + // generally horribly unpredictable, this code starts by measuring + // the scroll effect that the first few mouse wheel events have, + // and, from that, detects the way it can convert deltas to pixel + // offsets afterwards. + // + // The reason we want to know the amount a wheel event will scroll + // is that it gives us a chance to update the display before the + // actual scrolling happens, reducing flickering. + + var wheelSamples = 0, wheelPixelsPerUnit = null; + // Fill in a browser-detected starting value on browsers where we + // know one. These don't have to be accurate -- the result of them + // being wrong would just be a slight flicker on the first wheel + // scroll (if it is large enough). + if (ie) { wheelPixelsPerUnit = -.53; } + else if (gecko) { wheelPixelsPerUnit = 15; } + else if (chrome) { wheelPixelsPerUnit = -.7; } + else if (safari) { wheelPixelsPerUnit = -1/3; } + + function wheelEventDelta(e) { + var dx = e.wheelDeltaX, dy = e.wheelDeltaY; + if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; } + if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; } + else if (dy == null) { dy = e.wheelDelta; } + return {x: dx, y: dy} + } + function wheelEventPixels(e) { + var delta = wheelEventDelta(e); + delta.x *= wheelPixelsPerUnit; + delta.y *= wheelPixelsPerUnit; + return delta + } + + function onScrollWheel(cm, e) { + var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y; + + var display = cm.display, scroll = display.scroller; + // Quit if there's nothing to scroll here + var canScrollX = scroll.scrollWidth > scroll.clientWidth; + var canScrollY = scroll.scrollHeight > scroll.clientHeight; + if (!(dx && canScrollX || dy && canScrollY)) { return } + + // Webkit browsers on OS X abort momentum scrolls when the target + // of the scroll event is removed from the scrollable element. + // This hack (see related code in patchDisplay) makes sure the + // element is kept around. + if (dy && mac && webkit) { + outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) { + for (var i = 0; i < view.length; i++) { + if (view[i].node == cur) { + cm.display.currentWheelTarget = cur; + break outer + } } } - if (!m.atomic) { continue } - - if (oldPos) { - var near = m.find(dir < 0 ? 1 : -1), diff = (void 0); - if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft) - { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); } - if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0)) - { return skipAtomicInner(doc, near, pos, dir, mayClear) } - } - - var far = m.find(dir < 0 ? -1 : 1); - if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight) - { far = movePos(doc, far, dir, far.line == pos.line ? line : null); } - return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null } - } } - return pos -} -// Ensure a given position is not inside an atomic range. -function skipAtomic(doc, pos, oldPos, bias, mayClear) { - var dir = bias || 1; - var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) || - (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) || - skipAtomicInner(doc, pos, oldPos, -dir, mayClear) || - (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true)); - if (!found) { - doc.cantEdit = true; - return Pos(doc.first, 0) - } - return found -} - -function movePos(doc, pos, dir, line) { - if (dir < 0 && pos.ch == 0) { - if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) } - else { return null } - } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) { - if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) } - else { return null } - } else { - return new Pos(pos.line, pos.ch + dir) - } -} - -function selectAll(cm) { - cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll); -} - -// UPDATING - -// Allow "beforeChange" event handlers to influence a change -function filterChange(doc, change, update) { - var obj = { - canceled: false, - from: change.from, - to: change.to, - text: change.text, - origin: change.origin, - cancel: function () { return obj.canceled = true; } - }; - if (update) { obj.update = function (from, to, text, origin) { - if (from) { obj.from = clipPos(doc, from); } - if (to) { obj.to = clipPos(doc, to); } - if (text) { obj.text = text; } - if (origin !== undefined) { obj.origin = origin; } - }; } - signal(doc, "beforeChange", doc, obj); - if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj); } - - if (obj.canceled) { return null } - return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin} -} - -// Apply a change to a document, and add it to the document's -// history, and propagating it to all linked documents. -function makeChange(doc, change, ignoreReadOnly) { - if (doc.cm) { - if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) } - if (doc.cm.state.suppressEdits) { return } - } - - if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { - change = filterChange(doc, change, true); - if (!change) { return } - } - - // Possibly split or suppress the update based on the presence - // of read-only spans in its range. - var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to); - if (split) { - for (var i = split.length - 1; i >= 0; --i) - { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}); } - } else { - makeChangeInner(doc, change); - } -} - -function makeChangeInner(doc, change) { - if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return } - var selAfter = computeSelAfterChange(doc, change); - addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN); - - makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)); - var rebased = []; - - linkedDocs(doc, function (doc, sharedHist) { - if (!sharedHist && indexOf(rebased, doc.history) == -1) { - rebaseHist(doc.history, change); - rebased.push(doc.history); - } - makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change)); - }); -} - -// Revert a change stored in a document's history. -function makeChangeFromHistory(doc, type, allowSelectionOnly) { - var suppress = doc.cm && doc.cm.state.suppressEdits; - if (suppress && !allowSelectionOnly) { return } - - var hist = doc.history, event, selAfter = doc.sel; - var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done; - - // Verify that there is a useable event (so that ctrl-z won't - // needlessly clear selection events) - var i = 0; - for (; i < source.length; i++) { - event = source[i]; - if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges) - { break } - } - if (i == source.length) { return } - hist.lastOrigin = hist.lastSelOrigin = null; - - for (;;) { - event = source.pop(); - if (event.ranges) { - pushSelectionToHistory(event, dest); - if (allowSelectionOnly && !event.equals(doc.sel)) { - setSelection(doc, event, {clearRedo: false}); - return - } - selAfter = event; - } else if (suppress) { - source.push(event); + // On some browsers, horizontal scrolling will cause redraws to + // happen before the gutter has been realigned, causing it to + // wriggle around in a most unseemly way. When we have an + // estimated pixels/delta value, we just handle horizontal + // scrolling entirely here. It'll be slightly off from native, but + // better than glitching out. + if (dx && !gecko && !presto && wheelPixelsPerUnit != null) { + if (dy && canScrollY) + { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * wheelPixelsPerUnit)); } + setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * wheelPixelsPerUnit)); + // Only prevent default scrolling if vertical scrolling is + // actually possible. Otherwise, it causes vertical scroll + // jitter on OSX trackpads when deltaX is small and deltaY + // is large (issue #3579) + if (!dy || (dy && canScrollY)) + { e_preventDefault(e); } + display.wheelStartX = null; // Abort measurement, if in progress return - } else { break } - } - - // Build up a reverse change object to add to the opposite history - // stack (redo when undoing, and vice versa). - var antiChanges = []; - pushSelectionToHistory(selAfter, dest); - dest.push({changes: antiChanges, generation: hist.generation}); - hist.generation = event.generation || ++hist.maxGeneration; - - var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange"); - - var loop = function ( i ) { - var change = event.changes[i]; - change.origin = type; - if (filter && !filterChange(doc, change, false)) { - source.length = 0; - return {} } - antiChanges.push(historyChangeFromChange(doc, change)); + // 'Project' the visible viewport to cover the area that is being + // scrolled into view (if we know enough to estimate it). + if (dy && wheelPixelsPerUnit != null) { + var pixels = dy * wheelPixelsPerUnit; + var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight; + if (pixels < 0) { top = Math.max(0, top + pixels - 50); } + else { bot = Math.min(cm.doc.height, bot + pixels + 50); } + updateDisplaySimple(cm, {top: top, bottom: bot}); + } - var after = i ? computeSelAfterChange(doc, change) : lst(source); - makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)); - if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); } + if (wheelSamples < 20) { + if (display.wheelStartX == null) { + display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop; + display.wheelDX = dx; display.wheelDY = dy; + setTimeout(function () { + if (display.wheelStartX == null) { return } + var movedX = scroll.scrollLeft - display.wheelStartX; + var movedY = scroll.scrollTop - display.wheelStartY; + var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || + (movedX && display.wheelDX && movedX / display.wheelDX); + display.wheelStartX = display.wheelStartY = null; + if (!sample) { return } + wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1); + ++wheelSamples; + }, 200); + } else { + display.wheelDX += dx; display.wheelDY += dy; + } + } + } + + // Selection objects are immutable. A new one is created every time + // the selection changes. A selection is one or more non-overlapping + // (and non-touching) ranges, sorted, and an integer that indicates + // which one is the primary selection (the one that's scrolled into + // view, that getCursor returns, etc). + var Selection = function(ranges, primIndex) { + this.ranges = ranges; + this.primIndex = primIndex; + }; + + Selection.prototype.primary = function () { return this.ranges[this.primIndex] }; + + Selection.prototype.equals = function (other) { + var this$1 = this; + + if (other == this) { return true } + if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false } + for (var i = 0; i < this.ranges.length; i++) { + var here = this$1.ranges[i], there = other.ranges[i]; + if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false } + } + return true + }; + + Selection.prototype.deepCopy = function () { + var this$1 = this; + + var out = []; + for (var i = 0; i < this.ranges.length; i++) + { out[i] = new Range(copyPos(this$1.ranges[i].anchor), copyPos(this$1.ranges[i].head)); } + return new Selection(out, this.primIndex) + }; + + Selection.prototype.somethingSelected = function () { + var this$1 = this; + + for (var i = 0; i < this.ranges.length; i++) + { if (!this$1.ranges[i].empty()) { return true } } + return false + }; + + Selection.prototype.contains = function (pos, end) { + var this$1 = this; + + if (!end) { end = pos; } + for (var i = 0; i < this.ranges.length; i++) { + var range = this$1.ranges[i]; + if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) + { return i } + } + return -1 + }; + + var Range = function(anchor, head) { + this.anchor = anchor; this.head = head; + }; + + Range.prototype.from = function () { return minPos(this.anchor, this.head) }; + Range.prototype.to = function () { return maxPos(this.anchor, this.head) }; + Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch }; + + // Take an unsorted, potentially overlapping set of ranges, and + // build a selection out of it. 'Consumes' ranges array (modifying + // it). + function normalizeSelection(cm, ranges, primIndex) { + var mayTouch = cm && cm.options.selectionsMayTouch; + var prim = ranges[primIndex]; + ranges.sort(function (a, b) { return cmp(a.from(), b.from()); }); + primIndex = indexOf(ranges, prim); + for (var i = 1; i < ranges.length; i++) { + var cur = ranges[i], prev = ranges[i - 1]; + var diff = cmp(prev.to(), cur.from()); + if (mayTouch && !cur.empty() ? diff > 0 : diff >= 0) { + var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()); + var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head; + if (i <= primIndex) { --primIndex; } + ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to)); + } + } + return new Selection(ranges, primIndex) + } + + function simpleSelection(anchor, head) { + return new Selection([new Range(anchor, head || anchor)], 0) + } + + // Compute the position of the end of a change (its 'to' property + // refers to the pre-change end). + function changeEnd(change) { + if (!change.text) { return change.to } + return Pos(change.from.line + change.text.length - 1, + lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)) + } + + // Adjust a position to refer to the post-change position of the + // same text, or the end of the change if the change covers it. + function adjustForChange(pos, change) { + if (cmp(pos, change.from) < 0) { return pos } + if (cmp(pos, change.to) <= 0) { return changeEnd(change) } + + var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch; + if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; } + return Pos(line, ch) + } + + function computeSelAfterChange(doc, change) { + var out = []; + for (var i = 0; i < doc.sel.ranges.length; i++) { + var range = doc.sel.ranges[i]; + out.push(new Range(adjustForChange(range.anchor, change), + adjustForChange(range.head, change))); + } + return normalizeSelection(doc.cm, out, doc.sel.primIndex) + } + + function offsetPos(pos, old, nw) { + if (pos.line == old.line) + { return Pos(nw.line, pos.ch - old.ch + nw.ch) } + else + { return Pos(nw.line + (pos.line - old.line), pos.ch) } + } + + // Used by replaceSelections to allow moving the selection to the + // start or around the replaced test. Hint may be "start" or "around". + function computeReplacedSel(doc, changes, hint) { + var out = []; + var oldPrev = Pos(doc.first, 0), newPrev = oldPrev; + for (var i = 0; i < changes.length; i++) { + var change = changes[i]; + var from = offsetPos(change.from, oldPrev, newPrev); + var to = offsetPos(changeEnd(change), oldPrev, newPrev); + oldPrev = change.to; + newPrev = to; + if (hint == "around") { + var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0; + out[i] = new Range(inv ? to : from, inv ? from : to); + } else { + out[i] = new Range(from, from); + } + } + return new Selection(out, doc.sel.primIndex) + } + + // Used to get the editor into a consistent state again when options change. + + function loadMode(cm) { + cm.doc.mode = getMode(cm.options, cm.doc.modeOption); + resetModeState(cm); + } + + function resetModeState(cm) { + cm.doc.iter(function (line) { + if (line.stateAfter) { line.stateAfter = null; } + if (line.styles) { line.styles = null; } + }); + cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first; + startWorker(cm, 100); + cm.state.modeGen++; + if (cm.curOp) { regChange(cm); } + } + + // DOCUMENT DATA STRUCTURE + + // By default, updates that start and end at the beginning of a line + // are treated specially, in order to make the association of line + // widgets and marker elements with the text behave more intuitive. + function isWholeLineUpdate(doc, change) { + return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && + (!doc.cm || doc.cm.options.wholeLineUpdateBefore) + } + + // Perform a change on the document data structure. + function updateDoc(doc, change, markedSpans, estimateHeight$$1) { + function spansFor(n) {return markedSpans ? markedSpans[n] : null} + function update(line, text, spans) { + updateLine(line, text, spans, estimateHeight$$1); + signalLater(line, "change", line, change); + } + function linesFor(start, end) { + var result = []; + for (var i = start; i < end; ++i) + { result.push(new Line(text[i], spansFor(i), estimateHeight$$1)); } + return result + } + + var from = change.from, to = change.to, text = change.text; + var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); + var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line; + + // Adjust the line structure + if (change.full) { + doc.insert(0, linesFor(0, text.length)); + doc.remove(text.length, doc.size - text.length); + } else if (isWholeLineUpdate(doc, change)) { + // This is a whole-line replace. Treated specially to make + // sure line objects move the way they are supposed to. + var added = linesFor(0, text.length - 1); + update(lastLine, lastLine.text, lastSpans); + if (nlines) { doc.remove(from.line, nlines); } + if (added.length) { doc.insert(from.line, added); } + } else if (firstLine == lastLine) { + if (text.length == 1) { + update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); + } else { + var added$1 = linesFor(1, text.length - 1); + added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight$$1)); + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); + doc.insert(from.line + 1, added$1); + } + } else if (text.length == 1) { + update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)); + doc.remove(from.line + 1, nlines); + } else { + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); + update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); + var added$2 = linesFor(1, text.length - 1); + if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); } + doc.insert(from.line + 1, added$2); + } + + signalLater(doc, "change", doc, change); + } + + // Call f for all linked documents. + function linkedDocs(doc, f, sharedHistOnly) { + function propagate(doc, skip, sharedHist) { + if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) { + var rel = doc.linked[i]; + if (rel.doc == skip) { continue } + var shared = sharedHist && rel.sharedHist; + if (sharedHistOnly && !shared) { continue } + f(rel.doc, shared); + propagate(rel.doc, doc, shared); + } } + } + propagate(doc, null, true); + } + + // Attach a document to an editor. + function attachDoc(cm, doc) { + if (doc.cm) { throw new Error("This document is already in use.") } + cm.doc = doc; + doc.cm = cm; + estimateLineHeights(cm); + loadMode(cm); + setDirectionClass(cm); + if (!cm.options.lineWrapping) { findMaxLine(cm); } + cm.options.mode = doc.modeOption; + regChange(cm); + } + + function setDirectionClass(cm) { + (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl"); + } + + function directionChanged(cm) { + runInOp(cm, function () { + setDirectionClass(cm); + regChange(cm); + }); + } + + function History(startGen) { + // Arrays of change events and selections. Doing something adds an + // event to done and clears undo. Undoing moves events from done + // to undone, redoing moves them in the other direction. + this.done = []; this.undone = []; + this.undoDepth = Infinity; + // Used to track when changes can be merged into a single undo + // event + this.lastModTime = this.lastSelTime = 0; + this.lastOp = this.lastSelOp = null; + this.lastOrigin = this.lastSelOrigin = null; + // Used by the isClean() method + this.generation = this.maxGeneration = startGen || 1; + } + + // Create a history change event from an updateDoc-style change + // object. + function historyChangeFromChange(doc, change) { + var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)}; + attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); + linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true); + return histChange + } + + // Pop all selection events off the end of a history array. Stop at + // a change event. + function clearSelectionEvents(array) { + while (array.length) { + var last = lst(array); + if (last.ranges) { array.pop(); } + else { break } + } + } + + // Find the top change event in the history. Pop off selection + // events that are in the way. + function lastChangeEvent(hist, force) { + if (force) { + clearSelectionEvents(hist.done); + return lst(hist.done) + } else if (hist.done.length && !lst(hist.done).ranges) { + return lst(hist.done) + } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) { + hist.done.pop(); + return lst(hist.done) + } + } + + // Register a change in the history. Merges changes that are within + // a single operation, or are close together with an origin that + // allows merging (starting with "+") into a single event. + function addChangeToHistory(doc, change, selAfter, opId) { + var hist = doc.history; + hist.undone.length = 0; + var time = +new Date, cur; + var last; + + if ((hist.lastOp == opId || + hist.lastOrigin == change.origin && change.origin && + ((change.origin.charAt(0) == "+" && hist.lastModTime > time - (doc.cm ? doc.cm.options.historyEventDelay : 500)) || + change.origin.charAt(0) == "*")) && + (cur = lastChangeEvent(hist, hist.lastOp == opId))) { + // Merge this change into the last event + last = lst(cur.changes); + if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { + // Optimized case for simple insertion -- don't want to add + // new changesets for every character typed + last.to = changeEnd(change); + } else { + // Add new sub-event + cur.changes.push(historyChangeFromChange(doc, change)); + } + } else { + // Can not be merged, start a new event. + var before = lst(hist.done); + if (!before || !before.ranges) + { pushSelectionToHistory(doc.sel, hist.done); } + cur = {changes: [historyChangeFromChange(doc, change)], + generation: hist.generation}; + hist.done.push(cur); + while (hist.done.length > hist.undoDepth) { + hist.done.shift(); + if (!hist.done[0].ranges) { hist.done.shift(); } + } + } + hist.done.push(selAfter); + hist.generation = ++hist.maxGeneration; + hist.lastModTime = hist.lastSelTime = time; + hist.lastOp = hist.lastSelOp = opId; + hist.lastOrigin = hist.lastSelOrigin = change.origin; + + if (!last) { signal(doc, "historyAdded"); } + } + + function selectionEventCanBeMerged(doc, origin, prev, sel) { + var ch = origin.charAt(0); + return ch == "*" || + ch == "+" && + prev.ranges.length == sel.ranges.length && + prev.somethingSelected() == sel.somethingSelected() && + new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500) + } + + // Called whenever the selection changes, sets the new selection as + // the pending selection in the history, and pushes the old pending + // selection into the 'done' array when it was significantly + // different (in number of selected ranges, emptiness, or time). + function addSelectionToHistory(doc, sel, opId, options) { + var hist = doc.history, origin = options && options.origin; + + // A new event is started when the previous origin does not match + // the current, or the origins don't allow matching. Origins + // starting with * are always merged, those starting with + are + // merged when similar and close together in time. + if (opId == hist.lastSelOp || + (origin && hist.lastSelOrigin == origin && + (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || + selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) + { hist.done[hist.done.length - 1] = sel; } + else + { pushSelectionToHistory(sel, hist.done); } + + hist.lastSelTime = +new Date; + hist.lastSelOrigin = origin; + hist.lastSelOp = opId; + if (options && options.clearRedo !== false) + { clearSelectionEvents(hist.undone); } + } + + function pushSelectionToHistory(sel, dest) { + var top = lst(dest); + if (!(top && top.ranges && top.equals(sel))) + { dest.push(sel); } + } + + // Used to store marked span information in the history. + function attachLocalSpans(doc, change, from, to) { + var existing = change["spans_" + doc.id], n = 0; + doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) { + if (line.markedSpans) + { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; } + ++n; + }); + } + + // When un/re-doing restores text containing marked spans, those + // that have been explicitly cleared should not be restored. + function removeClearedSpans(spans) { + if (!spans) { return null } + var out; + for (var i = 0; i < spans.length; ++i) { + if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } } + else if (out) { out.push(spans[i]); } + } + return !out ? spans : out.length ? out : null + } + + // Retrieve and filter the old marked spans stored in a change event. + function getOldSpans(doc, change) { + var found = change["spans_" + doc.id]; + if (!found) { return null } + var nw = []; + for (var i = 0; i < change.text.length; ++i) + { nw.push(removeClearedSpans(found[i])); } + return nw + } + + // Used for un/re-doing changes from the history. Combines the + // result of computing the existing spans with the set of spans that + // existed in the history (so that deleting around a span and then + // undoing brings back the span). + function mergeOldSpans(doc, change) { + var old = getOldSpans(doc, change); + var stretched = stretchSpansOverChange(doc, change); + if (!old) { return stretched } + if (!stretched) { return old } + + for (var i = 0; i < old.length; ++i) { + var oldCur = old[i], stretchCur = stretched[i]; + if (oldCur && stretchCur) { + spans: for (var j = 0; j < stretchCur.length; ++j) { + var span = stretchCur[j]; + for (var k = 0; k < oldCur.length; ++k) + { if (oldCur[k].marker == span.marker) { continue spans } } + oldCur.push(span); + } + } else if (stretchCur) { + old[i] = stretchCur; + } + } + return old + } + + // Used both to provide a JSON-safe object in .getHistory, and, when + // detaching a document, to split the history in two + function copyHistoryArray(events, newGroup, instantiateSel) { + var copy = []; + for (var i = 0; i < events.length; ++i) { + var event = events[i]; + if (event.ranges) { + copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event); + continue + } + var changes = event.changes, newChanges = []; + copy.push({changes: newChanges}); + for (var j = 0; j < changes.length; ++j) { + var change = changes[j], m = (void 0); + newChanges.push({from: change.from, to: change.to, text: change.text}); + if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) { + if (indexOf(newGroup, Number(m[1])) > -1) { + lst(newChanges)[prop] = change[prop]; + delete change[prop]; + } + } } } + } + } + return copy + } + + // The 'scroll' parameter given to many of these indicated whether + // the new cursor position should be scrolled into view after + // modifying the selection. + + // If shift is held or the extend flag is set, extends a range to + // include a given position (and optionally a second position). + // Otherwise, simply returns the range between the given positions. + // Used for cursor motion and such. + function extendRange(range, head, other, extend) { + if (extend) { + var anchor = range.anchor; + if (other) { + var posBefore = cmp(head, anchor) < 0; + if (posBefore != (cmp(other, anchor) < 0)) { + anchor = head; + head = other; + } else if (posBefore != (cmp(head, other) < 0)) { + head = other; + } + } + return new Range(anchor, head) + } else { + return new Range(other || head, head) + } + } + + // Extend the primary selection range, discard the rest. + function extendSelection(doc, head, other, options, extend) { + if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); } + setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options); + } + + // Extend all selections (pos is an array of selections with length + // equal the number of selections) + function extendSelections(doc, heads, options) { + var out = []; + var extend = doc.cm && (doc.cm.display.shift || doc.extend); + for (var i = 0; i < doc.sel.ranges.length; i++) + { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); } + var newSel = normalizeSelection(doc.cm, out, doc.sel.primIndex); + setSelection(doc, newSel, options); + } + + // Updates a single range in the selection. + function replaceOneSelection(doc, i, range, options) { + var ranges = doc.sel.ranges.slice(0); + ranges[i] = range; + setSelection(doc, normalizeSelection(doc.cm, ranges, doc.sel.primIndex), options); + } + + // Reset the selection to a single range. + function setSimpleSelection(doc, anchor, head, options) { + setSelection(doc, simpleSelection(anchor, head), options); + } + + // Give beforeSelectionChange handlers a change to influence a + // selection update. + function filterSelectionChange(doc, sel, options) { + var obj = { + ranges: sel.ranges, + update: function(ranges) { + var this$1 = this; + + this.ranges = []; + for (var i = 0; i < ranges.length; i++) + { this$1.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), + clipPos(doc, ranges[i].head)); } + }, + origin: options && options.origin + }; + signal(doc, "beforeSelectionChange", doc, obj); + if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj); } + if (obj.ranges != sel.ranges) { return normalizeSelection(doc.cm, obj.ranges, obj.ranges.length - 1) } + else { return sel } + } + + function setSelectionReplaceHistory(doc, sel, options) { + var done = doc.history.done, last = lst(done); + if (last && last.ranges) { + done[done.length - 1] = sel; + setSelectionNoUndo(doc, sel, options); + } else { + setSelection(doc, sel, options); + } + } + + // Set a new selection. + function setSelection(doc, sel, options) { + setSelectionNoUndo(doc, sel, options); + addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options); + } + + function setSelectionNoUndo(doc, sel, options) { + if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) + { sel = filterSelectionChange(doc, sel, options); } + + var bias = options && options.bias || + (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1); + setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true)); + + if (!(options && options.scroll === false) && doc.cm) + { ensureCursorVisible(doc.cm); } + } + + function setSelectionInner(doc, sel) { + if (sel.equals(doc.sel)) { return } + + doc.sel = sel; + + if (doc.cm) { + doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true; + signalCursorActivity(doc.cm); + } + signalLater(doc, "cursorActivity", doc); + } + + // Verify that the selection does not partially select any atomic + // marked ranges. + function reCheckSelection(doc) { + setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false)); + } + + // Return a selection that does not partially select any atomic + // ranges. + function skipAtomicInSelection(doc, sel, bias, mayClear) { + var out; + for (var i = 0; i < sel.ranges.length; i++) { + var range = sel.ranges[i]; + var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i]; + var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear); + var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear); + if (out || newAnchor != range.anchor || newHead != range.head) { + if (!out) { out = sel.ranges.slice(0, i); } + out[i] = new Range(newAnchor, newHead); + } + } + return out ? normalizeSelection(doc.cm, out, sel.primIndex) : sel + } + + function skipAtomicInner(doc, pos, oldPos, dir, mayClear) { + var line = getLine(doc, pos.line); + if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { + var sp = line.markedSpans[i], m = sp.marker; + if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) && + (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) { + if (mayClear) { + signal(m, "beforeCursorEnter"); + if (m.explicitlyCleared) { + if (!line.markedSpans) { break } + else {--i; continue} + } + } + if (!m.atomic) { continue } + + if (oldPos) { + var near = m.find(dir < 0 ? 1 : -1), diff = (void 0); + if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft) + { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); } + if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0)) + { return skipAtomicInner(doc, near, pos, dir, mayClear) } + } + + var far = m.find(dir < 0 ? -1 : 1); + if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight) + { far = movePos(doc, far, dir, far.line == pos.line ? line : null); } + return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null + } + } } + return pos + } + + // Ensure a given position is not inside an atomic range. + function skipAtomic(doc, pos, oldPos, bias, mayClear) { + var dir = bias || 1; + var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) || + (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) || + skipAtomicInner(doc, pos, oldPos, -dir, mayClear) || + (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true)); + if (!found) { + doc.cantEdit = true; + return Pos(doc.first, 0) + } + return found + } + + function movePos(doc, pos, dir, line) { + if (dir < 0 && pos.ch == 0) { + if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) } + else { return null } + } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) { + if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) } + else { return null } + } else { + return new Pos(pos.line, pos.ch + dir) + } + } + + function selectAll(cm) { + cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll); + } + + // UPDATING + + // Allow "beforeChange" event handlers to influence a change + function filterChange(doc, change, update) { + var obj = { + canceled: false, + from: change.from, + to: change.to, + text: change.text, + origin: change.origin, + cancel: function () { return obj.canceled = true; } + }; + if (update) { obj.update = function (from, to, text, origin) { + if (from) { obj.from = clipPos(doc, from); } + if (to) { obj.to = clipPos(doc, to); } + if (text) { obj.text = text; } + if (origin !== undefined) { obj.origin = origin; } + }; } + signal(doc, "beforeChange", doc, obj); + if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj); } + + if (obj.canceled) { return null } + return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin} + } + + // Apply a change to a document, and add it to the document's + // history, and propagating it to all linked documents. + function makeChange(doc, change, ignoreReadOnly) { + if (doc.cm) { + if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) } + if (doc.cm.state.suppressEdits) { return } + } + + if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { + change = filterChange(doc, change, true); + if (!change) { return } + } + + // Possibly split or suppress the update based on the presence + // of read-only spans in its range. + var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to); + if (split) { + for (var i = split.length - 1; i >= 0; --i) + { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}); } + } else { + makeChangeInner(doc, change); + } + } + + function makeChangeInner(doc, change) { + if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return } + var selAfter = computeSelAfterChange(doc, change); + addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN); + + makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)); var rebased = []; - // Propagate to the linked documents linkedDocs(doc, function (doc, sharedHist) { if (!sharedHist && indexOf(rebased, doc.history) == -1) { rebaseHist(doc.history, change); rebased.push(doc.history); } - makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change)); - }); - }; - - for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) { - var returned = loop( i$1 ); - - if ( returned ) return returned.v; - } -} - -// Sub-views need their line numbers shifted when text is added -// above or below them in the parent document. -function shiftDoc(doc, distance) { - if (distance == 0) { return } - doc.first += distance; - doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range( - Pos(range.anchor.line + distance, range.anchor.ch), - Pos(range.head.line + distance, range.head.ch) - ); }), doc.sel.primIndex); - if (doc.cm) { - regChange(doc.cm, doc.first, doc.first - distance, distance); - for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++) - { regLineChange(doc.cm, l, "gutter"); } - } -} - -// More lower-level change function, handling only a single document -// (not linked ones). -function makeChangeSingleDoc(doc, change, selAfter, spans) { - if (doc.cm && !doc.cm.curOp) - { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) } - - if (change.to.line < doc.first) { - shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line)); - return - } - if (change.from.line > doc.lastLine()) { return } - - // Clip the change to the size of this doc - if (change.from.line < doc.first) { - var shift = change.text.length - 1 - (doc.first - change.from.line); - shiftDoc(doc, shift); - change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch), - text: [lst(change.text)], origin: change.origin}; - } - var last = doc.lastLine(); - if (change.to.line > last) { - change = {from: change.from, to: Pos(last, getLine(doc, last).text.length), - text: [change.text[0]], origin: change.origin}; - } - - change.removed = getBetween(doc, change.from, change.to); - - if (!selAfter) { selAfter = computeSelAfterChange(doc, change); } - if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); } - else { updateDoc(doc, change, spans); } - setSelectionNoUndo(doc, selAfter, sel_dontScroll); -} - -// Handle the interaction of a change to a document with the editor -// that this document is part of. -function makeChangeSingleDocInEditor(cm, change, spans) { - var doc = cm.doc, display = cm.display, from = change.from, to = change.to; - - var recomputeMaxLength = false, checkWidthStart = from.line; - if (!cm.options.lineWrapping) { - checkWidthStart = lineNo(visualLine(getLine(doc, from.line))); - doc.iter(checkWidthStart, to.line + 1, function (line) { - if (line == display.maxLine) { - recomputeMaxLength = true; - return true - } + makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change)); }); } - if (doc.sel.contains(change.from, change.to) > -1) - { signalCursorActivity(cm); } + // Revert a change stored in a document's history. + function makeChangeFromHistory(doc, type, allowSelectionOnly) { + var suppress = doc.cm && doc.cm.state.suppressEdits; + if (suppress && !allowSelectionOnly) { return } - updateDoc(doc, change, spans, estimateHeight(cm)); + var hist = doc.history, event, selAfter = doc.sel; + var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done; - if (!cm.options.lineWrapping) { - doc.iter(checkWidthStart, from.line + change.text.length, function (line) { - var len = lineLength(line); - if (len > display.maxLineLength) { - display.maxLine = line; - display.maxLineLength = len; - display.maxLineChanged = true; - recomputeMaxLength = false; - } - }); - if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; } - } - - retreatFrontier(doc, from.line); - startWorker(cm, 400); - - var lendiff = change.text.length - (to.line - from.line) - 1; - // Remember that these lines changed, for updating the display - if (change.full) - { regChange(cm); } - else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) - { regLineChange(cm, from.line, "text"); } - else - { regChange(cm, from.line, to.line + 1, lendiff); } - - var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change"); - if (changeHandler || changesHandler) { - var obj = { - from: from, to: to, - text: change.text, - removed: change.removed, - origin: change.origin - }; - if (changeHandler) { signalLater(cm, "change", cm, obj); } - if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); } - } - cm.display.selForContextMenu = null; -} - -function replaceRange(doc, code, from, to, origin) { - if (!to) { to = from; } - if (cmp(to, from) < 0) { var assign; - (assign = [to, from], from = assign[0], to = assign[1]); } - if (typeof code == "string") { code = doc.splitLines(code); } - makeChange(doc, {from: from, to: to, text: code, origin: origin}); -} - -// Rebasing/resetting history to deal with externally-sourced changes - -function rebaseHistSelSingle(pos, from, to, diff) { - if (to < pos.line) { - pos.line += diff; - } else if (from < pos.line) { - pos.line = from; - pos.ch = 0; - } -} - -// Tries to rebase an array of history events given a change in the -// document. If the change touches the same lines as the event, the -// event, and everything 'behind' it, is discarded. If the change is -// before the event, the event's positions are updated. Uses a -// copy-on-write scheme for the positions, to avoid having to -// reallocate them all on every rebase, but also avoid problems with -// shared position objects being unsafely updated. -function rebaseHistArray(array, from, to, diff) { - for (var i = 0; i < array.length; ++i) { - var sub = array[i], ok = true; - if (sub.ranges) { - if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; } - for (var j = 0; j < sub.ranges.length; j++) { - rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff); - rebaseHistSelSingle(sub.ranges[j].head, from, to, diff); - } - continue + // Verify that there is a useable event (so that ctrl-z won't + // needlessly clear selection events) + var i = 0; + for (; i < source.length; i++) { + event = source[i]; + if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges) + { break } } - for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) { - var cur = sub.changes[j$1]; - if (to < cur.from.line) { - cur.from = Pos(cur.from.line + diff, cur.from.ch); - cur.to = Pos(cur.to.line + diff, cur.to.ch); - } else if (from <= cur.to.line) { - ok = false; - break - } - } - if (!ok) { - array.splice(0, i + 1); - i = 0; - } - } -} + if (i == source.length) { return } + hist.lastOrigin = hist.lastSelOrigin = null; -function rebaseHist(hist, change) { - var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1; - rebaseHistArray(hist.done, from, to, diff); - rebaseHistArray(hist.undone, from, to, diff); -} - -// Utility for applying a change to a line by handle or number, -// returning the number and optionally registering the line as -// changed. -function changeLine(doc, handle, changeType, op) { - var no = handle, line = handle; - if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)); } - else { no = lineNo(handle); } - if (no == null) { return null } - if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); } - return line -} - -// The document is represented as a BTree consisting of leaves, with -// chunk of lines in them, and branches, with up to ten leaves or -// other branch nodes below them. The top node is always a branch -// node, and is the document object itself (meaning it has -// additional methods and properties). -// -// All nodes have parent links. The tree is used both to go from -// line numbers to line objects, and to go from objects to numbers. -// It also indexes by height, and is used to convert between height -// and line object, and to find the total height of the document. -// -// See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html - -function LeafChunk(lines) { - var this$1 = this; - - this.lines = lines; - this.parent = null; - var height = 0; - for (var i = 0; i < lines.length; ++i) { - lines[i].parent = this$1; - height += lines[i].height; - } - this.height = height; -} - -LeafChunk.prototype = { - chunkSize: function() { return this.lines.length }, - - // Remove the n lines at offset 'at'. - removeInner: function(at, n) { - var this$1 = this; - - for (var i = at, e = at + n; i < e; ++i) { - var line = this$1.lines[i]; - this$1.height -= line.height; - cleanUpLine(line); - signalLater(line, "delete"); - } - this.lines.splice(at, n); - }, - - // Helper used to collapse a small branch into a single leaf. - collapse: function(lines) { - lines.push.apply(lines, this.lines); - }, - - // Insert the given array of lines at offset 'at', count them as - // having the given height. - insertInner: function(at, lines, height) { - var this$1 = this; - - this.height += height; - this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); - for (var i = 0; i < lines.length; ++i) { lines[i].parent = this$1; } - }, - - // Used to iterate over a part of the tree. - iterN: function(at, n, op) { - var this$1 = this; - - for (var e = at + n; at < e; ++at) - { if (op(this$1.lines[at])) { return true } } - } -}; - -function BranchChunk(children) { - var this$1 = this; - - this.children = children; - var size = 0, height = 0; - for (var i = 0; i < children.length; ++i) { - var ch = children[i]; - size += ch.chunkSize(); height += ch.height; - ch.parent = this$1; - } - this.size = size; - this.height = height; - this.parent = null; -} - -BranchChunk.prototype = { - chunkSize: function() { return this.size }, - - removeInner: function(at, n) { - var this$1 = this; - - this.size -= n; - for (var i = 0; i < this.children.length; ++i) { - var child = this$1.children[i], sz = child.chunkSize(); - if (at < sz) { - var rm = Math.min(n, sz - at), oldHeight = child.height; - child.removeInner(at, rm); - this$1.height -= oldHeight - child.height; - if (sz == rm) { this$1.children.splice(i--, 1); child.parent = null; } - if ((n -= rm) == 0) { break } - at = 0; - } else { at -= sz; } - } - // If the result is smaller than 25 lines, ensure that it is a - // single leaf node. - if (this.size - n < 25 && - (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) { - var lines = []; - this.collapse(lines); - this.children = [new LeafChunk(lines)]; - this.children[0].parent = this; - } - }, - - collapse: function(lines) { - var this$1 = this; - - for (var i = 0; i < this.children.length; ++i) { this$1.children[i].collapse(lines); } - }, - - insertInner: function(at, lines, height) { - var this$1 = this; - - this.size += lines.length; - this.height += height; - for (var i = 0; i < this.children.length; ++i) { - var child = this$1.children[i], sz = child.chunkSize(); - if (at <= sz) { - child.insertInner(at, lines, height); - if (child.lines && child.lines.length > 50) { - // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced. - // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest. - var remaining = child.lines.length % 25 + 25; - for (var pos = remaining; pos < child.lines.length;) { - var leaf = new LeafChunk(child.lines.slice(pos, pos += 25)); - child.height -= leaf.height; - this$1.children.splice(++i, 0, leaf); - leaf.parent = this$1; - } - child.lines = child.lines.slice(0, remaining); - this$1.maybeSpill(); + for (;;) { + event = source.pop(); + if (event.ranges) { + pushSelectionToHistory(event, dest); + if (allowSelectionOnly && !event.equals(doc.sel)) { + setSelection(doc, event, {clearRedo: false}); + return } - break + selAfter = event; + } else if (suppress) { + source.push(event); + return + } else { break } + } + + // Build up a reverse change object to add to the opposite history + // stack (redo when undoing, and vice versa). + var antiChanges = []; + pushSelectionToHistory(selAfter, dest); + dest.push({changes: antiChanges, generation: hist.generation}); + hist.generation = event.generation || ++hist.maxGeneration; + + var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange"); + + var loop = function ( i ) { + var change = event.changes[i]; + change.origin = type; + if (filter && !filterChange(doc, change, false)) { + source.length = 0; + return {} } - at -= sz; - } - }, - // When a node has grown, check whether it should be split. - maybeSpill: function() { - if (this.children.length <= 10) { return } - var me = this; - do { - var spilled = me.children.splice(me.children.length - 5, 5); - var sibling = new BranchChunk(spilled); - if (!me.parent) { // Become the parent node - var copy = new BranchChunk(me.children); - copy.parent = me; - me.children = [copy, sibling]; - me = copy; - } else { - me.size -= sibling.size; - me.height -= sibling.height; - var myIndex = indexOf(me.parent.children, me); - me.parent.children.splice(myIndex + 1, 0, sibling); - } - sibling.parent = me.parent; - } while (me.children.length > 10) - me.parent.maybeSpill(); - }, + antiChanges.push(historyChangeFromChange(doc, change)); - iterN: function(at, n, op) { - var this$1 = this; + var after = i ? computeSelAfterChange(doc, change) : lst(source); + makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)); + if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); } + var rebased = []; - for (var i = 0; i < this.children.length; ++i) { - var child = this$1.children[i], sz = child.chunkSize(); - if (at < sz) { - var used = Math.min(n, sz - at); - if (child.iterN(at, used, op)) { return true } - if ((n -= used) == 0) { break } - at = 0; - } else { at -= sz; } - } - } -}; - -// Line widgets are block elements displayed above or below a line. - -var LineWidget = function(doc, node, options) { - var this$1 = this; - - if (options) { for (var opt in options) { if (options.hasOwnProperty(opt)) - { this$1[opt] = options[opt]; } } } - this.doc = doc; - this.node = node; -}; - -LineWidget.prototype.clear = function () { - var this$1 = this; - - var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); - if (no == null || !ws) { return } - for (var i = 0; i < ws.length; ++i) { if (ws[i] == this$1) { ws.splice(i--, 1); } } - if (!ws.length) { line.widgets = null; } - var height = widgetHeight(this); - updateLineHeight(line, Math.max(0, line.height - height)); - if (cm) { - runInOp(cm, function () { - adjustScrollWhenAboveVisible(cm, line, -height); - regLineChange(cm, no, "widget"); - }); - signalLater(cm, "lineWidgetCleared", cm, this, no); - } -}; - -LineWidget.prototype.changed = function () { - var this$1 = this; - - var oldH = this.height, cm = this.doc.cm, line = this.line; - this.height = null; - var diff = widgetHeight(this) - oldH; - if (!diff) { return } - if (!lineIsHidden(this.doc, line)) { updateLineHeight(line, line.height + diff); } - if (cm) { - runInOp(cm, function () { - cm.curOp.forceUpdate = true; - adjustScrollWhenAboveVisible(cm, line, diff); - signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line)); - }); - } -}; -eventMixin(LineWidget); - -function adjustScrollWhenAboveVisible(cm, line, diff) { - if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) - { addToScrollTop(cm, diff); } -} - -function addLineWidget(doc, handle, node, options) { - var widget = new LineWidget(doc, node, options); - var cm = doc.cm; - if (cm && widget.noHScroll) { cm.display.alignWidgets = true; } - changeLine(doc, handle, "widget", function (line) { - var widgets = line.widgets || (line.widgets = []); - if (widget.insertAt == null) { widgets.push(widget); } - else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); } - widget.line = line; - if (cm && !lineIsHidden(doc, line)) { - var aboveVisible = heightAtLine(line) < doc.scrollTop; - updateLineHeight(line, line.height + widgetHeight(widget)); - if (aboveVisible) { addToScrollTop(cm, widget.height); } - cm.curOp.forceUpdate = true; - } - return true - }); - if (cm) { signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle)); } - return widget -} - -// TEXTMARKERS - -// Created with markText and setBookmark methods. A TextMarker is a -// handle that can be used to clear or find a marked position in the -// document. Line objects hold arrays (markedSpans) containing -// {from, to, marker} object pointing to such marker objects, and -// indicating that such a marker is present on that line. Multiple -// lines may point to the same marker when it spans across lines. -// The spans will have null for their from/to properties when the -// marker continues beyond the start/end of the line. Markers have -// links back to the lines they currently touch. - -// Collapsed markers have unique ids, in order to be able to order -// them, which is needed for uniquely determining an outer marker -// when they overlap (they may nest, but not partially overlap). -var nextMarkerId = 0; - -var TextMarker = function(doc, type) { - this.lines = []; - this.type = type; - this.doc = doc; - this.id = ++nextMarkerId; -}; - -// Clear the marker. -TextMarker.prototype.clear = function () { - var this$1 = this; - - if (this.explicitlyCleared) { return } - var cm = this.doc.cm, withOp = cm && !cm.curOp; - if (withOp) { startOperation(cm); } - if (hasHandler(this, "clear")) { - var found = this.find(); - if (found) { signalLater(this, "clear", found.from, found.to); } - } - var min = null, max = null; - for (var i = 0; i < this.lines.length; ++i) { - var line = this$1.lines[i]; - var span = getMarkedSpanFor(line.markedSpans, this$1); - if (cm && !this$1.collapsed) { regLineChange(cm, lineNo(line), "text"); } - else if (cm) { - if (span.to != null) { max = lineNo(line); } - if (span.from != null) { min = lineNo(line); } - } - line.markedSpans = removeMarkedSpan(line.markedSpans, span); - if (span.from == null && this$1.collapsed && !lineIsHidden(this$1.doc, line) && cm) - { updateLineHeight(line, textHeight(cm.display)); } - } - if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) { - var visual = visualLine(this$1.lines[i$1]), len = lineLength(visual); - if (len > cm.display.maxLineLength) { - cm.display.maxLine = visual; - cm.display.maxLineLength = len; - cm.display.maxLineChanged = true; - } - } } - - if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); } - this.lines.length = 0; - this.explicitlyCleared = true; - if (this.atomic && this.doc.cantEdit) { - this.doc.cantEdit = false; - if (cm) { reCheckSelection(cm.doc); } - } - if (cm) { signalLater(cm, "markerCleared", cm, this, min, max); } - if (withOp) { endOperation(cm); } - if (this.parent) { this.parent.clear(); } -}; - -// Find the position of the marker in the document. Returns a {from, -// to} object by default. Side can be passed to get a specific side -// -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the -// Pos objects returned contain a line object, rather than a line -// number (used to prevent looking up the same line twice). -TextMarker.prototype.find = function (side, lineObj) { - var this$1 = this; - - if (side == null && this.type == "bookmark") { side = 1; } - var from, to; - for (var i = 0; i < this.lines.length; ++i) { - var line = this$1.lines[i]; - var span = getMarkedSpanFor(line.markedSpans, this$1); - if (span.from != null) { - from = Pos(lineObj ? line : lineNo(line), span.from); - if (side == -1) { return from } - } - if (span.to != null) { - to = Pos(lineObj ? line : lineNo(line), span.to); - if (side == 1) { return to } - } - } - return from && {from: from, to: to} -}; - -// Signals that the marker's widget changed, and surrounding layout -// should be recomputed. -TextMarker.prototype.changed = function () { - var this$1 = this; - - var pos = this.find(-1, true), widget = this, cm = this.doc.cm; - if (!pos || !cm) { return } - runInOp(cm, function () { - var line = pos.line, lineN = lineNo(pos.line); - var view = findViewForLine(cm, lineN); - if (view) { - clearLineMeasurementCacheFor(view); - cm.curOp.selectionChanged = cm.curOp.forceUpdate = true; - } - cm.curOp.updateMaxLine = true; - if (!lineIsHidden(widget.doc, line) && widget.height != null) { - var oldHeight = widget.height; - widget.height = null; - var dHeight = widgetHeight(widget) - oldHeight; - if (dHeight) - { updateLineHeight(line, line.height + dHeight); } - } - signalLater(cm, "markerChanged", cm, this$1); - }); -}; - -TextMarker.prototype.attachLine = function (line) { - if (!this.lines.length && this.doc.cm) { - var op = this.doc.cm.curOp; - if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) - { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); } - } - this.lines.push(line); -}; - -TextMarker.prototype.detachLine = function (line) { - this.lines.splice(indexOf(this.lines, line), 1); - if (!this.lines.length && this.doc.cm) { - var op = this.doc.cm.curOp;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this); - } -}; -eventMixin(TextMarker); - -// Create a marker, wire it up to the right lines, and -function markText(doc, from, to, options, type) { - // Shared markers (across linked documents) are handled separately - // (markTextShared will call out to this again, once per - // document). - if (options && options.shared) { return markTextShared(doc, from, to, options, type) } - // Ensure we are in an operation. - if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) } - - var marker = new TextMarker(doc, type), diff = cmp(from, to); - if (options) { copyObj(options, marker, false); } - // Don't connect empty markers unless clearWhenEmpty is false - if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false) - { return marker } - if (marker.replacedWith) { - // Showing up as a widget implies collapsed (widget replaces text) - marker.collapsed = true; - marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget"); - if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true"); } - if (options.insertLeft) { marker.widgetNode.insertLeft = true; } - } - if (marker.collapsed) { - if (conflictingCollapsedRange(doc, from.line, from, to, marker) || - from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker)) - { throw new Error("Inserting collapsed marker partially overlapping an existing one") } - seeCollapsedSpans(); - } - - if (marker.addToHistory) - { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); } - - var curLine = from.line, cm = doc.cm, updateMaxLine; - doc.iter(curLine, to.line + 1, function (line) { - if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine) - { updateMaxLine = true; } - if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); } - addMarkedSpan(line, new MarkedSpan(marker, - curLine == from.line ? from.ch : null, - curLine == to.line ? to.ch : null)); - ++curLine; - }); - // lineIsHidden depends on the presence of the spans, so needs a second pass - if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) { - if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); } - }); } - - if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }); } - - if (marker.readOnly) { - seeReadOnlySpans(); - if (doc.history.done.length || doc.history.undone.length) - { doc.clearHistory(); } - } - if (marker.collapsed) { - marker.id = ++nextMarkerId; - marker.atomic = true; - } - if (cm) { - // Sync editor state - if (updateMaxLine) { cm.curOp.updateMaxLine = true; } - if (marker.collapsed) - { regChange(cm, from.line, to.line + 1); } - else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css) - { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text"); } } - if (marker.atomic) { reCheckSelection(cm.doc); } - signalLater(cm, "markerAdded", cm, marker); - } - return marker -} - -// SHARED TEXTMARKERS - -// A shared marker spans multiple linked documents. It is -// implemented as a meta-marker-object controlling multiple normal -// markers. -var SharedTextMarker = function(markers, primary) { - var this$1 = this; - - this.markers = markers; - this.primary = primary; - for (var i = 0; i < markers.length; ++i) - { markers[i].parent = this$1; } -}; - -SharedTextMarker.prototype.clear = function () { - var this$1 = this; - - if (this.explicitlyCleared) { return } - this.explicitlyCleared = true; - for (var i = 0; i < this.markers.length; ++i) - { this$1.markers[i].clear(); } - signalLater(this, "clear"); -}; - -SharedTextMarker.prototype.find = function (side, lineObj) { - return this.primary.find(side, lineObj) -}; -eventMixin(SharedTextMarker); - -function markTextShared(doc, from, to, options, type) { - options = copyObj(options); - options.shared = false; - var markers = [markText(doc, from, to, options, type)], primary = markers[0]; - var widget = options.widgetNode; - linkedDocs(doc, function (doc) { - if (widget) { options.widgetNode = widget.cloneNode(true); } - markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)); - for (var i = 0; i < doc.linked.length; ++i) - { if (doc.linked[i].isParent) { return } } - primary = lst(markers); - }); - return new SharedTextMarker(markers, primary) -} - -function findSharedMarkers(doc) { - return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; }) -} - -function copySharedMarkers(doc, markers) { - for (var i = 0; i < markers.length; i++) { - var marker = markers[i], pos = marker.find(); - var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to); - if (cmp(mFrom, mTo)) { - var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type); - marker.markers.push(subMark); - subMark.parent = marker; - } - } -} - -function detachSharedMarkers(markers) { - var loop = function ( i ) { - var marker = markers[i], linked = [marker.primary.doc]; - linkedDocs(marker.primary.doc, function (d) { return linked.push(d); }); - for (var j = 0; j < marker.markers.length; j++) { - var subMarker = marker.markers[j]; - if (indexOf(linked, subMarker.doc) == -1) { - subMarker.parent = null; - marker.markers.splice(j--, 1); - } - } - }; - - for (var i = 0; i < markers.length; i++) loop( i ); -} - -var nextDocId = 0; -var Doc = function(text, mode, firstLine, lineSep, direction) { - if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) } - if (firstLine == null) { firstLine = 0; } - - BranchChunk.call(this, [new LeafChunk([new Line("", null)])]); - this.first = firstLine; - this.scrollTop = this.scrollLeft = 0; - this.cantEdit = false; - this.cleanGeneration = 1; - this.modeFrontier = this.highlightFrontier = firstLine; - var start = Pos(firstLine, 0); - this.sel = simpleSelection(start); - this.history = new History(null); - this.id = ++nextDocId; - this.modeOption = mode; - this.lineSep = lineSep; - this.direction = (direction == "rtl") ? "rtl" : "ltr"; - this.extend = false; - - if (typeof text == "string") { text = this.splitLines(text); } - updateDoc(this, {from: start, to: start, text: text}); - setSelection(this, simpleSelection(start), sel_dontScroll); -}; - -Doc.prototype = createObj(BranchChunk.prototype, { - constructor: Doc, - // Iterate over the document. Supports two forms -- with only one - // argument, it calls that for each line in the document. With - // three, it iterates over the range given by the first two (with - // the second being non-inclusive). - iter: function(from, to, op) { - if (op) { this.iterN(from - this.first, to - from, op); } - else { this.iterN(this.first, this.first + this.size, from); } - }, - - // Non-public interface for adding and removing lines. - insert: function(at, lines) { - var height = 0; - for (var i = 0; i < lines.length; ++i) { height += lines[i].height; } - this.insertInner(at - this.first, lines, height); - }, - remove: function(at, n) { this.removeInner(at - this.first, n); }, - - // From here, the methods are part of the public interface. Most - // are also available from CodeMirror (editor) instances. - - getValue: function(lineSep) { - var lines = getLines(this, this.first, this.first + this.size); - if (lineSep === false) { return lines } - return lines.join(lineSep || this.lineSeparator()) - }, - setValue: docMethodOp(function(code) { - var top = Pos(this.first, 0), last = this.first + this.size - 1; - makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), - text: this.splitLines(code), origin: "setValue", full: true}, true); - if (this.cm) { scrollToCoords(this.cm, 0, 0); } - setSelection(this, simpleSelection(top), sel_dontScroll); - }), - replaceRange: function(code, from, to, origin) { - from = clipPos(this, from); - to = to ? clipPos(this, to) : from; - replaceRange(this, code, from, to, origin); - }, - getRange: function(from, to, lineSep) { - var lines = getBetween(this, clipPos(this, from), clipPos(this, to)); - if (lineSep === false) { return lines } - return lines.join(lineSep || this.lineSeparator()) - }, - - getLine: function(line) {var l = this.getLineHandle(line); return l && l.text}, - - getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }}, - getLineNumber: function(line) {return lineNo(line)}, - - getLineHandleVisualStart: function(line) { - if (typeof line == "number") { line = getLine(this, line); } - return visualLine(line) - }, - - lineCount: function() {return this.size}, - firstLine: function() {return this.first}, - lastLine: function() {return this.first + this.size - 1}, - - clipPos: function(pos) {return clipPos(this, pos)}, - - getCursor: function(start) { - var range$$1 = this.sel.primary(), pos; - if (start == null || start == "head") { pos = range$$1.head; } - else if (start == "anchor") { pos = range$$1.anchor; } - else if (start == "end" || start == "to" || start === false) { pos = range$$1.to(); } - else { pos = range$$1.from(); } - return pos - }, - listSelections: function() { return this.sel.ranges }, - somethingSelected: function() {return this.sel.somethingSelected()}, - - setCursor: docMethodOp(function(line, ch, options) { - setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options); - }), - setSelection: docMethodOp(function(anchor, head, options) { - setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options); - }), - extendSelection: docMethodOp(function(head, other, options) { - extendSelection(this, clipPos(this, head), other && clipPos(this, other), options); - }), - extendSelections: docMethodOp(function(heads, options) { - extendSelections(this, clipPosArray(this, heads), options); - }), - extendSelectionsBy: docMethodOp(function(f, options) { - var heads = map(this.sel.ranges, f); - extendSelections(this, clipPosArray(this, heads), options); - }), - setSelections: docMethodOp(function(ranges, primary, options) { - var this$1 = this; - - if (!ranges.length) { return } - var out = []; - for (var i = 0; i < ranges.length; i++) - { out[i] = new Range(clipPos(this$1, ranges[i].anchor), - clipPos(this$1, ranges[i].head)); } - if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); } - setSelection(this, normalizeSelection(out, primary), options); - }), - addSelection: docMethodOp(function(anchor, head, options) { - var ranges = this.sel.ranges.slice(0); - ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor))); - setSelection(this, normalizeSelection(ranges, ranges.length - 1), options); - }), - - getSelection: function(lineSep) { - var this$1 = this; - - var ranges = this.sel.ranges, lines; - for (var i = 0; i < ranges.length; i++) { - var sel = getBetween(this$1, ranges[i].from(), ranges[i].to()); - lines = lines ? lines.concat(sel) : sel; - } - if (lineSep === false) { return lines } - else { return lines.join(lineSep || this.lineSeparator()) } - }, - getSelections: function(lineSep) { - var this$1 = this; - - var parts = [], ranges = this.sel.ranges; - for (var i = 0; i < ranges.length; i++) { - var sel = getBetween(this$1, ranges[i].from(), ranges[i].to()); - if (lineSep !== false) { sel = sel.join(lineSep || this$1.lineSeparator()); } - parts[i] = sel; - } - return parts - }, - replaceSelection: function(code, collapse, origin) { - var dup = []; - for (var i = 0; i < this.sel.ranges.length; i++) - { dup[i] = code; } - this.replaceSelections(dup, collapse, origin || "+input"); - }, - replaceSelections: docMethodOp(function(code, collapse, origin) { - var this$1 = this; - - var changes = [], sel = this.sel; - for (var i = 0; i < sel.ranges.length; i++) { - var range$$1 = sel.ranges[i]; - changes[i] = {from: range$$1.from(), to: range$$1.to(), text: this$1.splitLines(code[i]), origin: origin}; - } - var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse); - for (var i$1 = changes.length - 1; i$1 >= 0; i$1--) - { makeChange(this$1, changes[i$1]); } - if (newSel) { setSelectionReplaceHistory(this, newSel); } - else if (this.cm) { ensureCursorVisible(this.cm); } - }), - undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}), - redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}), - undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}), - redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}), - - setExtending: function(val) {this.extend = val;}, - getExtending: function() {return this.extend}, - - historySize: function() { - var hist = this.history, done = 0, undone = 0; - for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } } - for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } } - return {undo: done, redo: undone} - }, - clearHistory: function() {this.history = new History(this.history.maxGeneration);}, - - markClean: function() { - this.cleanGeneration = this.changeGeneration(true); - }, - changeGeneration: function(forceSplit) { - if (forceSplit) - { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; } - return this.history.generation - }, - isClean: function (gen) { - return this.history.generation == (gen || this.cleanGeneration) - }, - - getHistory: function() { - return {done: copyHistoryArray(this.history.done), - undone: copyHistoryArray(this.history.undone)} - }, - setHistory: function(histData) { - var hist = this.history = new History(this.history.maxGeneration); - hist.done = copyHistoryArray(histData.done.slice(0), null, true); - hist.undone = copyHistoryArray(histData.undone.slice(0), null, true); - }, - - setGutterMarker: docMethodOp(function(line, gutterID, value) { - return changeLine(this, line, "gutter", function (line) { - var markers = line.gutterMarkers || (line.gutterMarkers = {}); - markers[gutterID] = value; - if (!value && isEmpty(markers)) { line.gutterMarkers = null; } - return true - }) - }), - - clearGutter: docMethodOp(function(gutterID) { - var this$1 = this; - - this.iter(function (line) { - if (line.gutterMarkers && line.gutterMarkers[gutterID]) { - changeLine(this$1, line, "gutter", function () { - line.gutterMarkers[gutterID] = null; - if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; } - return true - }); - } - }); - }), - - lineInfo: function(line) { - var n; - if (typeof line == "number") { - if (!isLine(this, line)) { return null } - n = line; - line = getLine(this, line); - if (!line) { return null } - } else { - n = lineNo(line); - if (n == null) { return null } - } - return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, - textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, - widgets: line.widgets} - }, - - addLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { - var prop = where == "text" ? "textClass" - : where == "background" ? "bgClass" - : where == "gutter" ? "gutterClass" : "wrapClass"; - if (!line[prop]) { line[prop] = cls; } - else if (classTest(cls).test(line[prop])) { return false } - else { line[prop] += " " + cls; } - return true - }) - }), - removeLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { - var prop = where == "text" ? "textClass" - : where == "background" ? "bgClass" - : where == "gutter" ? "gutterClass" : "wrapClass"; - var cur = line[prop]; - if (!cur) { return false } - else if (cls == null) { line[prop] = null; } - else { - var found = cur.match(classTest(cls)); - if (!found) { return false } - var end = found.index + found[0].length; - line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null; - } - return true - }) - }), - - addLineWidget: docMethodOp(function(handle, node, options) { - return addLineWidget(this, handle, node, options) - }), - removeLineWidget: function(widget) { widget.clear(); }, - - markText: function(from, to, options) { - return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range") - }, - setBookmark: function(pos, options) { - var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), - insertLeft: options && options.insertLeft, - clearWhenEmpty: false, shared: options && options.shared, - handleMouseEvents: options && options.handleMouseEvents}; - pos = clipPos(this, pos); - return markText(this, pos, pos, realOpts, "bookmark") - }, - findMarksAt: function(pos) { - pos = clipPos(this, pos); - var markers = [], spans = getLine(this, pos.line).markedSpans; - if (spans) { for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if ((span.from == null || span.from <= pos.ch) && - (span.to == null || span.to >= pos.ch)) - { markers.push(span.marker.parent || span.marker); } - } } - return markers - }, - findMarks: function(from, to, filter) { - from = clipPos(this, from); to = clipPos(this, to); - var found = [], lineNo$$1 = from.line; - this.iter(from.line, to.line + 1, function (line) { - var spans = line.markedSpans; - if (spans) { for (var i = 0; i < spans.length; i++) { - var span = spans[i]; - if (!(span.to != null && lineNo$$1 == from.line && from.ch >= span.to || - span.from == null && lineNo$$1 != from.line || - span.from != null && lineNo$$1 == to.line && span.from >= to.ch) && - (!filter || filter(span.marker))) - { found.push(span.marker.parent || span.marker); } - } } - ++lineNo$$1; - }); - return found - }, - getAllMarks: function() { - var markers = []; - this.iter(function (line) { - var sps = line.markedSpans; - if (sps) { for (var i = 0; i < sps.length; ++i) - { if (sps[i].from != null) { markers.push(sps[i].marker); } } } - }); - return markers - }, - - posFromIndex: function(off) { - var ch, lineNo$$1 = this.first, sepSize = this.lineSeparator().length; - this.iter(function (line) { - var sz = line.text.length + sepSize; - if (sz > off) { ch = off; return true } - off -= sz; - ++lineNo$$1; - }); - return clipPos(this, Pos(lineNo$$1, ch)) - }, - indexFromPos: function (coords) { - coords = clipPos(this, coords); - var index = coords.ch; - if (coords.line < this.first || coords.ch < 0) { return 0 } - var sepSize = this.lineSeparator().length; - this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value - index += line.text.length + sepSize; - }); - return index - }, - - copy: function(copyHistory) { - var doc = new Doc(getLines(this, this.first, this.first + this.size), - this.modeOption, this.first, this.lineSep, this.direction); - doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft; - doc.sel = this.sel; - doc.extend = false; - if (copyHistory) { - doc.history.undoDepth = this.history.undoDepth; - doc.setHistory(this.getHistory()); - } - return doc - }, - - linkedDoc: function(options) { - if (!options) { options = {}; } - var from = this.first, to = this.first + this.size; - if (options.from != null && options.from > from) { from = options.from; } - if (options.to != null && options.to < to) { to = options.to; } - var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction); - if (options.sharedHist) { copy.history = this.history - ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}); - copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]; - copySharedMarkers(copy, findSharedMarkers(this)); - return copy - }, - unlinkDoc: function(other) { - var this$1 = this; - - if (other instanceof CodeMirror) { other = other.doc; } - if (this.linked) { for (var i = 0; i < this.linked.length; ++i) { - var link = this$1.linked[i]; - if (link.doc != other) { continue } - this$1.linked.splice(i, 1); - other.unlinkDoc(this$1); - detachSharedMarkers(findSharedMarkers(this$1)); - break - } } - // If the histories were shared, split them again - if (other.history == this.history) { - var splitIds = [other.id]; - linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true); - other.history = new History(null); - other.history.done = copyHistoryArray(this.history.done, splitIds); - other.history.undone = copyHistoryArray(this.history.undone, splitIds); - } - }, - iterLinkedDocs: function(f) {linkedDocs(this, f);}, - - getMode: function() {return this.mode}, - getEditor: function() {return this.cm}, - - splitLines: function(str) { - if (this.lineSep) { return str.split(this.lineSep) } - return splitLinesAuto(str) - }, - lineSeparator: function() { return this.lineSep || "\n" }, - - setDirection: docMethodOp(function (dir) { - if (dir != "rtl") { dir = "ltr"; } - if (dir == this.direction) { return } - this.direction = dir; - this.iter(function (line) { return line.order = null; }); - if (this.cm) { directionChanged(this.cm); } - }) -}); - -// Public alias. -Doc.prototype.eachLine = Doc.prototype.iter; - -// Kludge to work around strange IE behavior where it'll sometimes -// re-fire a series of drag-related events right after the drop (#1551) -var lastDrop = 0; - -function onDrop(e) { - var cm = this; - clearDragCursor(cm); - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) - { return } - e_preventDefault(e); - if (ie) { lastDrop = +new Date; } - var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files; - if (!pos || cm.isReadOnly()) { return } - // Might be a file drop, in which case we simply extract the text - // and insert it. - if (files && files.length && window.FileReader && window.File) { - var n = files.length, text = Array(n), read = 0; - var loadFile = function (file, i) { - if (cm.options.allowDropFileTypes && - indexOf(cm.options.allowDropFileTypes, file.type) == -1) - { return } - - var reader = new FileReader; - reader.onload = operation(cm, function () { - var content = reader.result; - if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) { content = ""; } - text[i] = content; - if (++read == n) { - pos = clipPos(cm.doc, pos); - var change = {from: pos, to: pos, - text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())), - origin: "paste"}; - makeChange(cm.doc, change); - setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change))); + // Propagate to the linked documents + linkedDocs(doc, function (doc, sharedHist) { + if (!sharedHist && indexOf(rebased, doc.history) == -1) { + rebaseHist(doc.history, change); + rebased.push(doc.history); } + makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change)); }); - reader.readAsText(file); }; - for (var i = 0; i < n; ++i) { loadFile(files[i], i); } - } else { // Normal drop - // Don't do a replace if the drop happened inside of the selected text. - if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { - cm.state.draggingText(e); - // Ensure the editor is re-focused - setTimeout(function () { return cm.display.input.focus(); }, 20); + + for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) { + var returned = loop( i$1 ); + + if ( returned ) return returned.v; + } + } + + // Sub-views need their line numbers shifted when text is added + // above or below them in the parent document. + function shiftDoc(doc, distance) { + if (distance == 0) { return } + doc.first += distance; + doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range( + Pos(range.anchor.line + distance, range.anchor.ch), + Pos(range.head.line + distance, range.head.ch) + ); }), doc.sel.primIndex); + if (doc.cm) { + regChange(doc.cm, doc.first, doc.first - distance, distance); + for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++) + { regLineChange(doc.cm, l, "gutter"); } + } + } + + // More lower-level change function, handling only a single document + // (not linked ones). + function makeChangeSingleDoc(doc, change, selAfter, spans) { + if (doc.cm && !doc.cm.curOp) + { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) } + + if (change.to.line < doc.first) { + shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line)); return } - try { - var text$1 = e.dataTransfer.getData("Text"); - if (text$1) { - var selected; - if (cm.state.draggingText && !cm.state.draggingText.copy) - { selected = cm.listSelections(); } - setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)); - if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1) - { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag"); } } - cm.replaceSelection(text$1, "around", "paste"); - cm.display.input.focus(); + if (change.from.line > doc.lastLine()) { return } + + // Clip the change to the size of this doc + if (change.from.line < doc.first) { + var shift = change.text.length - 1 - (doc.first - change.from.line); + shiftDoc(doc, shift); + change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch), + text: [lst(change.text)], origin: change.origin}; + } + var last = doc.lastLine(); + if (change.to.line > last) { + change = {from: change.from, to: Pos(last, getLine(doc, last).text.length), + text: [change.text[0]], origin: change.origin}; + } + + change.removed = getBetween(doc, change.from, change.to); + + if (!selAfter) { selAfter = computeSelAfterChange(doc, change); } + if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); } + else { updateDoc(doc, change, spans); } + setSelectionNoUndo(doc, selAfter, sel_dontScroll); + } + + // Handle the interaction of a change to a document with the editor + // that this document is part of. + function makeChangeSingleDocInEditor(cm, change, spans) { + var doc = cm.doc, display = cm.display, from = change.from, to = change.to; + + var recomputeMaxLength = false, checkWidthStart = from.line; + if (!cm.options.lineWrapping) { + checkWidthStart = lineNo(visualLine(getLine(doc, from.line))); + doc.iter(checkWidthStart, to.line + 1, function (line) { + if (line == display.maxLine) { + recomputeMaxLength = true; + return true + } + }); + } + + if (doc.sel.contains(change.from, change.to) > -1) + { signalCursorActivity(cm); } + + updateDoc(doc, change, spans, estimateHeight(cm)); + + if (!cm.options.lineWrapping) { + doc.iter(checkWidthStart, from.line + change.text.length, function (line) { + var len = lineLength(line); + if (len > display.maxLineLength) { + display.maxLine = line; + display.maxLineLength = len; + display.maxLineChanged = true; + recomputeMaxLength = false; + } + }); + if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; } + } + + retreatFrontier(doc, from.line); + startWorker(cm, 400); + + var lendiff = change.text.length - (to.line - from.line) - 1; + // Remember that these lines changed, for updating the display + if (change.full) + { regChange(cm); } + else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) + { regLineChange(cm, from.line, "text"); } + else + { regChange(cm, from.line, to.line + 1, lendiff); } + + var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change"); + if (changeHandler || changesHandler) { + var obj = { + from: from, to: to, + text: change.text, + removed: change.removed, + origin: change.origin + }; + if (changeHandler) { signalLater(cm, "change", cm, obj); } + if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); } + } + cm.display.selForContextMenu = null; + } + + function replaceRange(doc, code, from, to, origin) { + var assign; + + if (!to) { to = from; } + if (cmp(to, from) < 0) { (assign = [to, from], from = assign[0], to = assign[1]); } + if (typeof code == "string") { code = doc.splitLines(code); } + makeChange(doc, {from: from, to: to, text: code, origin: origin}); + } + + // Rebasing/resetting history to deal with externally-sourced changes + + function rebaseHistSelSingle(pos, from, to, diff) { + if (to < pos.line) { + pos.line += diff; + } else if (from < pos.line) { + pos.line = from; + pos.ch = 0; + } + } + + // Tries to rebase an array of history events given a change in the + // document. If the change touches the same lines as the event, the + // event, and everything 'behind' it, is discarded. If the change is + // before the event, the event's positions are updated. Uses a + // copy-on-write scheme for the positions, to avoid having to + // reallocate them all on every rebase, but also avoid problems with + // shared position objects being unsafely updated. + function rebaseHistArray(array, from, to, diff) { + for (var i = 0; i < array.length; ++i) { + var sub = array[i], ok = true; + if (sub.ranges) { + if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; } + for (var j = 0; j < sub.ranges.length; j++) { + rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff); + rebaseHistSelSingle(sub.ranges[j].head, from, to, diff); + } + continue + } + for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) { + var cur = sub.changes[j$1]; + if (to < cur.from.line) { + cur.from = Pos(cur.from.line + diff, cur.from.ch); + cur.to = Pos(cur.to.line + diff, cur.to.ch); + } else if (from <= cur.to.line) { + ok = false; + break + } + } + if (!ok) { + array.splice(0, i + 1); + i = 0; } } - catch(e){} - } -} - -function onDragStart(cm, e) { - if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return } - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return } - - e.dataTransfer.setData("Text", cm.getSelection()); - e.dataTransfer.effectAllowed = "copyMove"; - - // Use dummy image instead of default browsers image. - // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. - if (e.dataTransfer.setDragImage && !safari) { - var img = elt("img", null, null, "position: fixed; left: 0; top: 0;"); - img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; - if (presto) { - img.width = img.height = 1; - cm.display.wrapper.appendChild(img); - // Force a relayout, or Opera won't use our image for some obscure reason - img._top = img.offsetTop; - } - e.dataTransfer.setDragImage(img, 0, 0); - if (presto) { img.parentNode.removeChild(img); } - } -} - -function onDragOver(cm, e) { - var pos = posFromMouse(cm, e); - if (!pos) { return } - var frag = document.createDocumentFragment(); - drawSelectionCursor(cm, pos, frag); - if (!cm.display.dragCursor) { - cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors"); - cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv); - } - removeChildrenAndAdd(cm.display.dragCursor, frag); -} - -function clearDragCursor(cm) { - if (cm.display.dragCursor) { - cm.display.lineSpace.removeChild(cm.display.dragCursor); - cm.display.dragCursor = null; - } -} - -// These must be handled carefully, because naively registering a -// handler for each editor will cause the editors to never be -// garbage collected. - -function forEachCodeMirror(f) { - if (!document.getElementsByClassName) { return } - var byClass = document.getElementsByClassName("CodeMirror"); - for (var i = 0; i < byClass.length; i++) { - var cm = byClass[i].CodeMirror; - if (cm) { f(cm); } - } -} - -var globalsRegistered = false; -function ensureGlobalHandlers() { - if (globalsRegistered) { return } - registerGlobalHandlers(); - globalsRegistered = true; -} -function registerGlobalHandlers() { - // When the window resizes, we need to refresh active editors. - var resizeTimer; - on(window, "resize", function () { - if (resizeTimer == null) { resizeTimer = setTimeout(function () { - resizeTimer = null; - forEachCodeMirror(onResize); - }, 100); } - }); - // When the window loses focus, we want to show the editor as blurred - on(window, "blur", function () { return forEachCodeMirror(onBlur); }); -} -// Called when the window resizes -function onResize(cm) { - var d = cm.display; - // Might be a text scaling operation, clear size caches. - d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; - d.scrollbarsClipped = false; - cm.setSize(); -} - -var keyNames = { - 3: "Pause", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", - 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", - 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", - 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", - 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete", 145: "ScrollLock", - 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", - 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", - 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" -}; - -// Number keys -for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); } -// Alphabetic keys -for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); } -// Function keys -for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2; } - -var keyMap = {}; - -keyMap.basic = { - "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", - "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", - "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", - "Tab": "defaultTab", "Shift-Tab": "indentAuto", - "Enter": "newlineAndIndent", "Insert": "toggleOverwrite", - "Esc": "singleSelection" -}; -// Note that the save and find-related commands aren't defined by -// default. User code or addons can define them. Unknown commands -// are simply ignored. -keyMap.pcDefault = { - "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", - "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", - "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", - "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", - "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", - "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", - "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", - "fallthrough": "basic" -}; -// Very basic readline/emacs-style bindings, which are standard on Mac. -keyMap.emacsy = { - "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", - "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", - "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", - "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars", - "Ctrl-O": "openLine" -}; -keyMap.macDefault = { - "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", - "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", - "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore", - "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", - "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", - "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", - "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", - "fallthrough": ["basic", "emacsy"] -}; -keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; - -// KEYMAP DISPATCH - -function normalizeKeyName(name) { - var parts = name.split(/-(?!$)/); - name = parts[parts.length - 1]; - var alt, ctrl, shift, cmd; - for (var i = 0; i < parts.length - 1; i++) { - var mod = parts[i]; - if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; } - else if (/^a(lt)?$/i.test(mod)) { alt = true; } - else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; } - else if (/^s(hift)?$/i.test(mod)) { shift = true; } - else { throw new Error("Unrecognized modifier name: " + mod) } - } - if (alt) { name = "Alt-" + name; } - if (ctrl) { name = "Ctrl-" + name; } - if (cmd) { name = "Cmd-" + name; } - if (shift) { name = "Shift-" + name; } - return name -} - -// This is a kludge to keep keymaps mostly working as raw objects -// (backwards compatibility) while at the same time support features -// like normalization and multi-stroke key bindings. It compiles a -// new normalized keymap, and then updates the old object to reflect -// this. -function normalizeKeyMap(keymap) { - var copy = {}; - for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) { - var value = keymap[keyname]; - if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue } - if (value == "...") { delete keymap[keyname]; continue } - - var keys = map(keyname.split(" "), normalizeKeyName); - for (var i = 0; i < keys.length; i++) { - var val = (void 0), name = (void 0); - if (i == keys.length - 1) { - name = keys.join(" "); - val = value; - } else { - name = keys.slice(0, i + 1).join(" "); - val = "..."; - } - var prev = copy[name]; - if (!prev) { copy[name] = val; } - else if (prev != val) { throw new Error("Inconsistent bindings for " + name) } - } - delete keymap[keyname]; - } } - for (var prop in copy) { keymap[prop] = copy[prop]; } - return keymap -} - -function lookupKey(key, map$$1, handle, context) { - map$$1 = getKeyMap(map$$1); - var found = map$$1.call ? map$$1.call(key, context) : map$$1[key]; - if (found === false) { return "nothing" } - if (found === "...") { return "multi" } - if (found != null && handle(found)) { return "handled" } - - if (map$$1.fallthrough) { - if (Object.prototype.toString.call(map$$1.fallthrough) != "[object Array]") - { return lookupKey(key, map$$1.fallthrough, handle, context) } - for (var i = 0; i < map$$1.fallthrough.length; i++) { - var result = lookupKey(key, map$$1.fallthrough[i], handle, context); - if (result) { return result } - } - } -} - -// Modifier key presses don't count as 'real' key presses for the -// purpose of keymap fallthrough. -function isModifierKey(value) { - var name = typeof value == "string" ? value : keyNames[value.keyCode]; - return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod" -} - -function addModifierNames(name, event, noShift) { - var base = name; - if (event.altKey && base != "Alt") { name = "Alt-" + name; } - if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name; } - if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") { name = "Cmd-" + name; } - if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name; } - return name -} - -// Look up the name of a key as indicated by an event object. -function keyName(event, noShift) { - if (presto && event.keyCode == 34 && event["char"]) { return false } - var name = keyNames[event.keyCode]; - if (name == null || event.altGraphKey) { return false } - // Ctrl-ScrollLock has keyCode 3, same as Ctrl-Pause, - // so we'll use event.code when available (Chrome 48+, FF 38+, Safari 10.1+) - if (event.keyCode == 3 && event.code) { name = event.code; } - return addModifierNames(name, event, noShift) -} - -function getKeyMap(val) { - return typeof val == "string" ? keyMap[val] : val -} - -// Helper for deleting text near the selection(s), used to implement -// backspace, delete, and similar functionality. -function deleteNearSelection(cm, compute) { - var ranges = cm.doc.sel.ranges, kill = []; - // Build up a set of ranges to kill first, merging overlapping - // ranges. - for (var i = 0; i < ranges.length; i++) { - var toKill = compute(ranges[i]); - while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) { - var replaced = kill.pop(); - if (cmp(replaced.from, toKill.from) < 0) { - toKill.from = replaced.from; - break - } - } - kill.push(toKill); - } - // Next, remove those actual ranges. - runInOp(cm, function () { - for (var i = kill.length - 1; i >= 0; i--) - { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); } - ensureCursorVisible(cm); - }); -} - -function moveCharLogically(line, ch, dir) { - var target = skipExtendingChars(line.text, ch + dir, dir); - return target < 0 || target > line.text.length ? null : target -} - -function moveLogically(line, start, dir) { - var ch = moveCharLogically(line, start.ch, dir); - return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before") -} - -function endOfLine(visually, cm, lineObj, lineNo, dir) { - if (visually) { - var order = getOrder(lineObj, cm.doc.direction); - if (order) { - var part = dir < 0 ? lst(order) : order[0]; - var moveInStorageOrder = (dir < 0) == (part.level == 1); - var sticky = moveInStorageOrder ? "after" : "before"; - var ch; - // With a wrapped rtl chunk (possibly spanning multiple bidi parts), - // it could be that the last bidi part is not on the last visual line, - // since visual lines contain content order-consecutive chunks. - // Thus, in rtl, we are looking for the first (content-order) character - // in the rtl chunk that is on the last line (that is, the same line - // as the last (content-order) character). - if (part.level > 0 || cm.doc.direction == "rtl") { - var prep = prepareMeasureForLine(cm, lineObj); - ch = dir < 0 ? lineObj.text.length - 1 : 0; - var targetTop = measureCharPrepared(cm, prep, ch).top; - ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch); - if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1); } - } else { ch = dir < 0 ? part.to : part.from; } - return new Pos(lineNo, ch, sticky) - } - } - return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after") -} - -function moveVisually(cm, line, start, dir) { - var bidi = getOrder(line, cm.doc.direction); - if (!bidi) { return moveLogically(line, start, dir) } - if (start.ch >= line.text.length) { - start.ch = line.text.length; - start.sticky = "before"; - } else if (start.ch <= 0) { - start.ch = 0; - start.sticky = "after"; - } - var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos]; - if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) { - // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines, - // nothing interesting happens. - return moveLogically(line, start, dir) } - var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); }; - var prep; - var getWrappedLineExtent = function (ch) { - if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} } - prep = prep || prepareMeasureForLine(cm, line); - return wrappedLineExtentChar(cm, line, prep, ch) - }; - var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch); - - if (cm.doc.direction == "rtl" || part.level == 1) { - var moveInStorageOrder = (part.level == 1) == (dir < 0); - var ch = mv(start, moveInStorageOrder ? 1 : -1); - if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) { - // Case 2: We move within an rtl part or in an rtl editor on the same visual line - var sticky = moveInStorageOrder ? "before" : "after"; - return new Pos(start.line, ch, sticky) - } + function rebaseHist(hist, change) { + var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1; + rebaseHistArray(hist.done, from, to, diff); + rebaseHistArray(hist.undone, from, to, diff); } - // Case 3: Could not move within this bidi part in this visual line, so leave - // the current bidi part - - var searchInVisualLine = function (partPos, dir, wrappedLineExtent) { - var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder - ? new Pos(start.line, mv(ch, 1), "before") - : new Pos(start.line, ch, "after"); }; - - for (; partPos >= 0 && partPos < bidi.length; partPos += dir) { - var part = bidi[partPos]; - var moveInStorageOrder = (dir > 0) == (part.level != 1); - var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1); - if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) } - ch = moveInStorageOrder ? part.from : mv(part.to, -1); - if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) } - } - }; - - // Case 3a: Look for other bidi parts on the same visual line - var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent); - if (res) { return res } - - // Case 3b: Look for other bidi parts on the next visual line - var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1); - if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) { - res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh)); - if (res) { return res } + // Utility for applying a change to a line by handle or number, + // returning the number and optionally registering the line as + // changed. + function changeLine(doc, handle, changeType, op) { + var no = handle, line = handle; + if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)); } + else { no = lineNo(handle); } + if (no == null) { return null } + if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); } + return line } - // Case 4: Nowhere to move - return null -} - -// Commands are parameter-less actions that can be performed on an -// editor, mostly used for keybindings. -var commands = { - selectAll: selectAll, - singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); }, - killLine: function (cm) { return deleteNearSelection(cm, function (range) { - if (range.empty()) { - var len = getLine(cm.doc, range.head.line).text.length; - if (range.head.ch == len && range.head.line < cm.lastLine()) - { return {from: range.head, to: Pos(range.head.line + 1, 0)} } - else - { return {from: range.head, to: Pos(range.head.line, len)} } - } else { - return {from: range.from(), to: range.to()} - } - }); }, - deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({ - from: Pos(range.from().line, 0), - to: clipPos(cm.doc, Pos(range.to().line + 1, 0)) - }); }); }, - delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({ - from: Pos(range.from().line, 0), to: range.from() - }); }); }, - delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { - var top = cm.charCoords(range.head, "div").top + 5; - var leftPos = cm.coordsChar({left: 0, top: top}, "div"); - return {from: leftPos, to: range.from()} - }); }, - delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) { - var top = cm.charCoords(range.head, "div").top + 5; - var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); - return {from: range.from(), to: rightPos } - }); }, - undo: function (cm) { return cm.undo(); }, - redo: function (cm) { return cm.redo(); }, - undoSelection: function (cm) { return cm.undoSelection(); }, - redoSelection: function (cm) { return cm.redoSelection(); }, - goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); }, - goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); }, - goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); }, - {origin: "+move", bias: 1} - ); }, - goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); }, - {origin: "+move", bias: 1} - ); }, - goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); }, - {origin: "+move", bias: -1} - ); }, - goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) { - var top = cm.cursorCoords(range.head, "div").top + 5; - return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div") - }, sel_move); }, - goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) { - var top = cm.cursorCoords(range.head, "div").top + 5; - return cm.coordsChar({left: 0, top: top}, "div") - }, sel_move); }, - goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) { - var top = cm.cursorCoords(range.head, "div").top + 5; - var pos = cm.coordsChar({left: 0, top: top}, "div"); - if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) } - return pos - }, sel_move); }, - goLineUp: function (cm) { return cm.moveV(-1, "line"); }, - goLineDown: function (cm) { return cm.moveV(1, "line"); }, - goPageUp: function (cm) { return cm.moveV(-1, "page"); }, - goPageDown: function (cm) { return cm.moveV(1, "page"); }, - goCharLeft: function (cm) { return cm.moveH(-1, "char"); }, - goCharRight: function (cm) { return cm.moveH(1, "char"); }, - goColumnLeft: function (cm) { return cm.moveH(-1, "column"); }, - goColumnRight: function (cm) { return cm.moveH(1, "column"); }, - goWordLeft: function (cm) { return cm.moveH(-1, "word"); }, - goGroupRight: function (cm) { return cm.moveH(1, "group"); }, - goGroupLeft: function (cm) { return cm.moveH(-1, "group"); }, - goWordRight: function (cm) { return cm.moveH(1, "word"); }, - delCharBefore: function (cm) { return cm.deleteH(-1, "char"); }, - delCharAfter: function (cm) { return cm.deleteH(1, "char"); }, - delWordBefore: function (cm) { return cm.deleteH(-1, "word"); }, - delWordAfter: function (cm) { return cm.deleteH(1, "word"); }, - delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); }, - delGroupAfter: function (cm) { return cm.deleteH(1, "group"); }, - indentAuto: function (cm) { return cm.indentSelection("smart"); }, - indentMore: function (cm) { return cm.indentSelection("add"); }, - indentLess: function (cm) { return cm.indentSelection("subtract"); }, - insertTab: function (cm) { return cm.replaceSelection("\t"); }, - insertSoftTab: function (cm) { - var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize; - for (var i = 0; i < ranges.length; i++) { - var pos = ranges[i].from(); - var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize); - spaces.push(spaceStr(tabSize - col % tabSize)); - } - cm.replaceSelections(spaces); - }, - defaultTab: function (cm) { - if (cm.somethingSelected()) { cm.indentSelection("add"); } - else { cm.execCommand("insertTab"); } - }, - // Swap the two chars left and right of each selection's head. - // Move cursor behind the two swapped characters afterwards. + // The document is represented as a BTree consisting of leaves, with + // chunk of lines in them, and branches, with up to ten leaves or + // other branch nodes below them. The top node is always a branch + // node, and is the document object itself (meaning it has + // additional methods and properties). // - // Doesn't consider line feeds a character. - // Doesn't scan more than one line above to find a character. - // Doesn't do anything on an empty line. - // Doesn't do anything with non-empty selections. - transposeChars: function (cm) { return runInOp(cm, function () { - var ranges = cm.listSelections(), newSel = []; + // All nodes have parent links. The tree is used both to go from + // line numbers to line objects, and to go from objects to numbers. + // It also indexes by height, and is used to convert between height + // and line object, and to find the total height of the document. + // + // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html + + function LeafChunk(lines) { + var this$1 = this; + + this.lines = lines; + this.parent = null; + var height = 0; + for (var i = 0; i < lines.length; ++i) { + lines[i].parent = this$1; + height += lines[i].height; + } + this.height = height; + } + + LeafChunk.prototype = { + chunkSize: function() { return this.lines.length }, + + // Remove the n lines at offset 'at'. + removeInner: function(at, n) { + var this$1 = this; + + for (var i = at, e = at + n; i < e; ++i) { + var line = this$1.lines[i]; + this$1.height -= line.height; + cleanUpLine(line); + signalLater(line, "delete"); + } + this.lines.splice(at, n); + }, + + // Helper used to collapse a small branch into a single leaf. + collapse: function(lines) { + lines.push.apply(lines, this.lines); + }, + + // Insert the given array of lines at offset 'at', count them as + // having the given height. + insertInner: function(at, lines, height) { + var this$1 = this; + + this.height += height; + this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); + for (var i = 0; i < lines.length; ++i) { lines[i].parent = this$1; } + }, + + // Used to iterate over a part of the tree. + iterN: function(at, n, op) { + var this$1 = this; + + for (var e = at + n; at < e; ++at) + { if (op(this$1.lines[at])) { return true } } + } + }; + + function BranchChunk(children) { + var this$1 = this; + + this.children = children; + var size = 0, height = 0; + for (var i = 0; i < children.length; ++i) { + var ch = children[i]; + size += ch.chunkSize(); height += ch.height; + ch.parent = this$1; + } + this.size = size; + this.height = height; + this.parent = null; + } + + BranchChunk.prototype = { + chunkSize: function() { return this.size }, + + removeInner: function(at, n) { + var this$1 = this; + + this.size -= n; + for (var i = 0; i < this.children.length; ++i) { + var child = this$1.children[i], sz = child.chunkSize(); + if (at < sz) { + var rm = Math.min(n, sz - at), oldHeight = child.height; + child.removeInner(at, rm); + this$1.height -= oldHeight - child.height; + if (sz == rm) { this$1.children.splice(i--, 1); child.parent = null; } + if ((n -= rm) == 0) { break } + at = 0; + } else { at -= sz; } + } + // If the result is smaller than 25 lines, ensure that it is a + // single leaf node. + if (this.size - n < 25 && + (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) { + var lines = []; + this.collapse(lines); + this.children = [new LeafChunk(lines)]; + this.children[0].parent = this; + } + }, + + collapse: function(lines) { + var this$1 = this; + + for (var i = 0; i < this.children.length; ++i) { this$1.children[i].collapse(lines); } + }, + + insertInner: function(at, lines, height) { + var this$1 = this; + + this.size += lines.length; + this.height += height; + for (var i = 0; i < this.children.length; ++i) { + var child = this$1.children[i], sz = child.chunkSize(); + if (at <= sz) { + child.insertInner(at, lines, height); + if (child.lines && child.lines.length > 50) { + // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced. + // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest. + var remaining = child.lines.length % 25 + 25; + for (var pos = remaining; pos < child.lines.length;) { + var leaf = new LeafChunk(child.lines.slice(pos, pos += 25)); + child.height -= leaf.height; + this$1.children.splice(++i, 0, leaf); + leaf.parent = this$1; + } + child.lines = child.lines.slice(0, remaining); + this$1.maybeSpill(); + } + break + } + at -= sz; + } + }, + + // When a node has grown, check whether it should be split. + maybeSpill: function() { + if (this.children.length <= 10) { return } + var me = this; + do { + var spilled = me.children.splice(me.children.length - 5, 5); + var sibling = new BranchChunk(spilled); + if (!me.parent) { // Become the parent node + var copy = new BranchChunk(me.children); + copy.parent = me; + me.children = [copy, sibling]; + me = copy; + } else { + me.size -= sibling.size; + me.height -= sibling.height; + var myIndex = indexOf(me.parent.children, me); + me.parent.children.splice(myIndex + 1, 0, sibling); + } + sibling.parent = me.parent; + } while (me.children.length > 10) + me.parent.maybeSpill(); + }, + + iterN: function(at, n, op) { + var this$1 = this; + + for (var i = 0; i < this.children.length; ++i) { + var child = this$1.children[i], sz = child.chunkSize(); + if (at < sz) { + var used = Math.min(n, sz - at); + if (child.iterN(at, used, op)) { return true } + if ((n -= used) == 0) { break } + at = 0; + } else { at -= sz; } + } + } + }; + + // Line widgets are block elements displayed above or below a line. + + var LineWidget = function(doc, node, options) { + var this$1 = this; + + if (options) { for (var opt in options) { if (options.hasOwnProperty(opt)) + { this$1[opt] = options[opt]; } } } + this.doc = doc; + this.node = node; + }; + + LineWidget.prototype.clear = function () { + var this$1 = this; + + var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); + if (no == null || !ws) { return } + for (var i = 0; i < ws.length; ++i) { if (ws[i] == this$1) { ws.splice(i--, 1); } } + if (!ws.length) { line.widgets = null; } + var height = widgetHeight(this); + updateLineHeight(line, Math.max(0, line.height - height)); + if (cm) { + runInOp(cm, function () { + adjustScrollWhenAboveVisible(cm, line, -height); + regLineChange(cm, no, "widget"); + }); + signalLater(cm, "lineWidgetCleared", cm, this, no); + } + }; + + LineWidget.prototype.changed = function () { + var this$1 = this; + + var oldH = this.height, cm = this.doc.cm, line = this.line; + this.height = null; + var diff = widgetHeight(this) - oldH; + if (!diff) { return } + if (!lineIsHidden(this.doc, line)) { updateLineHeight(line, line.height + diff); } + if (cm) { + runInOp(cm, function () { + cm.curOp.forceUpdate = true; + adjustScrollWhenAboveVisible(cm, line, diff); + signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line)); + }); + } + }; + eventMixin(LineWidget); + + function adjustScrollWhenAboveVisible(cm, line, diff) { + if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) + { addToScrollTop(cm, diff); } + } + + function addLineWidget(doc, handle, node, options) { + var widget = new LineWidget(doc, node, options); + var cm = doc.cm; + if (cm && widget.noHScroll) { cm.display.alignWidgets = true; } + changeLine(doc, handle, "widget", function (line) { + var widgets = line.widgets || (line.widgets = []); + if (widget.insertAt == null) { widgets.push(widget); } + else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); } + widget.line = line; + if (cm && !lineIsHidden(doc, line)) { + var aboveVisible = heightAtLine(line) < doc.scrollTop; + updateLineHeight(line, line.height + widgetHeight(widget)); + if (aboveVisible) { addToScrollTop(cm, widget.height); } + cm.curOp.forceUpdate = true; + } + return true + }); + if (cm) { signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle)); } + return widget + } + + // TEXTMARKERS + + // Created with markText and setBookmark methods. A TextMarker is a + // handle that can be used to clear or find a marked position in the + // document. Line objects hold arrays (markedSpans) containing + // {from, to, marker} object pointing to such marker objects, and + // indicating that such a marker is present on that line. Multiple + // lines may point to the same marker when it spans across lines. + // The spans will have null for their from/to properties when the + // marker continues beyond the start/end of the line. Markers have + // links back to the lines they currently touch. + + // Collapsed markers have unique ids, in order to be able to order + // them, which is needed for uniquely determining an outer marker + // when they overlap (they may nest, but not partially overlap). + var nextMarkerId = 0; + + var TextMarker = function(doc, type) { + this.lines = []; + this.type = type; + this.doc = doc; + this.id = ++nextMarkerId; + }; + + // Clear the marker. + TextMarker.prototype.clear = function () { + var this$1 = this; + + if (this.explicitlyCleared) { return } + var cm = this.doc.cm, withOp = cm && !cm.curOp; + if (withOp) { startOperation(cm); } + if (hasHandler(this, "clear")) { + var found = this.find(); + if (found) { signalLater(this, "clear", found.from, found.to); } + } + var min = null, max = null; + for (var i = 0; i < this.lines.length; ++i) { + var line = this$1.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this$1); + if (cm && !this$1.collapsed) { regLineChange(cm, lineNo(line), "text"); } + else if (cm) { + if (span.to != null) { max = lineNo(line); } + if (span.from != null) { min = lineNo(line); } + } + line.markedSpans = removeMarkedSpan(line.markedSpans, span); + if (span.from == null && this$1.collapsed && !lineIsHidden(this$1.doc, line) && cm) + { updateLineHeight(line, textHeight(cm.display)); } + } + if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) { + var visual = visualLine(this$1.lines[i$1]), len = lineLength(visual); + if (len > cm.display.maxLineLength) { + cm.display.maxLine = visual; + cm.display.maxLineLength = len; + cm.display.maxLineChanged = true; + } + } } + + if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); } + this.lines.length = 0; + this.explicitlyCleared = true; + if (this.atomic && this.doc.cantEdit) { + this.doc.cantEdit = false; + if (cm) { reCheckSelection(cm.doc); } + } + if (cm) { signalLater(cm, "markerCleared", cm, this, min, max); } + if (withOp) { endOperation(cm); } + if (this.parent) { this.parent.clear(); } + }; + + // Find the position of the marker in the document. Returns a {from, + // to} object by default. Side can be passed to get a specific side + // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the + // Pos objects returned contain a line object, rather than a line + // number (used to prevent looking up the same line twice). + TextMarker.prototype.find = function (side, lineObj) { + var this$1 = this; + + if (side == null && this.type == "bookmark") { side = 1; } + var from, to; + for (var i = 0; i < this.lines.length; ++i) { + var line = this$1.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this$1); + if (span.from != null) { + from = Pos(lineObj ? line : lineNo(line), span.from); + if (side == -1) { return from } + } + if (span.to != null) { + to = Pos(lineObj ? line : lineNo(line), span.to); + if (side == 1) { return to } + } + } + return from && {from: from, to: to} + }; + + // Signals that the marker's widget changed, and surrounding layout + // should be recomputed. + TextMarker.prototype.changed = function () { + var this$1 = this; + + var pos = this.find(-1, true), widget = this, cm = this.doc.cm; + if (!pos || !cm) { return } + runInOp(cm, function () { + var line = pos.line, lineN = lineNo(pos.line); + var view = findViewForLine(cm, lineN); + if (view) { + clearLineMeasurementCacheFor(view); + cm.curOp.selectionChanged = cm.curOp.forceUpdate = true; + } + cm.curOp.updateMaxLine = true; + if (!lineIsHidden(widget.doc, line) && widget.height != null) { + var oldHeight = widget.height; + widget.height = null; + var dHeight = widgetHeight(widget) - oldHeight; + if (dHeight) + { updateLineHeight(line, line.height + dHeight); } + } + signalLater(cm, "markerChanged", cm, this$1); + }); + }; + + TextMarker.prototype.attachLine = function (line) { + if (!this.lines.length && this.doc.cm) { + var op = this.doc.cm.curOp; + if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) + { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); } + } + this.lines.push(line); + }; + + TextMarker.prototype.detachLine = function (line) { + this.lines.splice(indexOf(this.lines, line), 1); + if (!this.lines.length && this.doc.cm) { + var op = this.doc.cm.curOp + ;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this); + } + }; + eventMixin(TextMarker); + + // Create a marker, wire it up to the right lines, and + function markText(doc, from, to, options, type) { + // Shared markers (across linked documents) are handled separately + // (markTextShared will call out to this again, once per + // document). + if (options && options.shared) { return markTextShared(doc, from, to, options, type) } + // Ensure we are in an operation. + if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) } + + var marker = new TextMarker(doc, type), diff = cmp(from, to); + if (options) { copyObj(options, marker, false); } + // Don't connect empty markers unless clearWhenEmpty is false + if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false) + { return marker } + if (marker.replacedWith) { + // Showing up as a widget implies collapsed (widget replaces text) + marker.collapsed = true; + marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget"); + if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true"); } + if (options.insertLeft) { marker.widgetNode.insertLeft = true; } + } + if (marker.collapsed) { + if (conflictingCollapsedRange(doc, from.line, from, to, marker) || + from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker)) + { throw new Error("Inserting collapsed marker partially overlapping an existing one") } + seeCollapsedSpans(); + } + + if (marker.addToHistory) + { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); } + + var curLine = from.line, cm = doc.cm, updateMaxLine; + doc.iter(curLine, to.line + 1, function (line) { + if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine) + { updateMaxLine = true; } + if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); } + addMarkedSpan(line, new MarkedSpan(marker, + curLine == from.line ? from.ch : null, + curLine == to.line ? to.ch : null)); + ++curLine; + }); + // lineIsHidden depends on the presence of the spans, so needs a second pass + if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) { + if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); } + }); } + + if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }); } + + if (marker.readOnly) { + seeReadOnlySpans(); + if (doc.history.done.length || doc.history.undone.length) + { doc.clearHistory(); } + } + if (marker.collapsed) { + marker.id = ++nextMarkerId; + marker.atomic = true; + } + if (cm) { + // Sync editor state + if (updateMaxLine) { cm.curOp.updateMaxLine = true; } + if (marker.collapsed) + { regChange(cm, from.line, to.line + 1); } + else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css) + { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text"); } } + if (marker.atomic) { reCheckSelection(cm.doc); } + signalLater(cm, "markerAdded", cm, marker); + } + return marker + } + + // SHARED TEXTMARKERS + + // A shared marker spans multiple linked documents. It is + // implemented as a meta-marker-object controlling multiple normal + // markers. + var SharedTextMarker = function(markers, primary) { + var this$1 = this; + + this.markers = markers; + this.primary = primary; + for (var i = 0; i < markers.length; ++i) + { markers[i].parent = this$1; } + }; + + SharedTextMarker.prototype.clear = function () { + var this$1 = this; + + if (this.explicitlyCleared) { return } + this.explicitlyCleared = true; + for (var i = 0; i < this.markers.length; ++i) + { this$1.markers[i].clear(); } + signalLater(this, "clear"); + }; + + SharedTextMarker.prototype.find = function (side, lineObj) { + return this.primary.find(side, lineObj) + }; + eventMixin(SharedTextMarker); + + function markTextShared(doc, from, to, options, type) { + options = copyObj(options); + options.shared = false; + var markers = [markText(doc, from, to, options, type)], primary = markers[0]; + var widget = options.widgetNode; + linkedDocs(doc, function (doc) { + if (widget) { options.widgetNode = widget.cloneNode(true); } + markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)); + for (var i = 0; i < doc.linked.length; ++i) + { if (doc.linked[i].isParent) { return } } + primary = lst(markers); + }); + return new SharedTextMarker(markers, primary) + } + + function findSharedMarkers(doc) { + return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; }) + } + + function copySharedMarkers(doc, markers) { + for (var i = 0; i < markers.length; i++) { + var marker = markers[i], pos = marker.find(); + var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to); + if (cmp(mFrom, mTo)) { + var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type); + marker.markers.push(subMark); + subMark.parent = marker; + } + } + } + + function detachSharedMarkers(markers) { + var loop = function ( i ) { + var marker = markers[i], linked = [marker.primary.doc]; + linkedDocs(marker.primary.doc, function (d) { return linked.push(d); }); + for (var j = 0; j < marker.markers.length; j++) { + var subMarker = marker.markers[j]; + if (indexOf(linked, subMarker.doc) == -1) { + subMarker.parent = null; + marker.markers.splice(j--, 1); + } + } + }; + + for (var i = 0; i < markers.length; i++) loop( i ); + } + + var nextDocId = 0; + var Doc = function(text, mode, firstLine, lineSep, direction) { + if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) } + if (firstLine == null) { firstLine = 0; } + + BranchChunk.call(this, [new LeafChunk([new Line("", null)])]); + this.first = firstLine; + this.scrollTop = this.scrollLeft = 0; + this.cantEdit = false; + this.cleanGeneration = 1; + this.modeFrontier = this.highlightFrontier = firstLine; + var start = Pos(firstLine, 0); + this.sel = simpleSelection(start); + this.history = new History(null); + this.id = ++nextDocId; + this.modeOption = mode; + this.lineSep = lineSep; + this.direction = (direction == "rtl") ? "rtl" : "ltr"; + this.extend = false; + + if (typeof text == "string") { text = this.splitLines(text); } + updateDoc(this, {from: start, to: start, text: text}); + setSelection(this, simpleSelection(start), sel_dontScroll); + }; + + Doc.prototype = createObj(BranchChunk.prototype, { + constructor: Doc, + // Iterate over the document. Supports two forms -- with only one + // argument, it calls that for each line in the document. With + // three, it iterates over the range given by the first two (with + // the second being non-inclusive). + iter: function(from, to, op) { + if (op) { this.iterN(from - this.first, to - from, op); } + else { this.iterN(this.first, this.first + this.size, from); } + }, + + // Non-public interface for adding and removing lines. + insert: function(at, lines) { + var height = 0; + for (var i = 0; i < lines.length; ++i) { height += lines[i].height; } + this.insertInner(at - this.first, lines, height); + }, + remove: function(at, n) { this.removeInner(at - this.first, n); }, + + // From here, the methods are part of the public interface. Most + // are also available from CodeMirror (editor) instances. + + getValue: function(lineSep) { + var lines = getLines(this, this.first, this.first + this.size); + if (lineSep === false) { return lines } + return lines.join(lineSep || this.lineSeparator()) + }, + setValue: docMethodOp(function(code) { + var top = Pos(this.first, 0), last = this.first + this.size - 1; + makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), + text: this.splitLines(code), origin: "setValue", full: true}, true); + if (this.cm) { scrollToCoords(this.cm, 0, 0); } + setSelection(this, simpleSelection(top), sel_dontScroll); + }), + replaceRange: function(code, from, to, origin) { + from = clipPos(this, from); + to = to ? clipPos(this, to) : from; + replaceRange(this, code, from, to, origin); + }, + getRange: function(from, to, lineSep) { + var lines = getBetween(this, clipPos(this, from), clipPos(this, to)); + if (lineSep === false) { return lines } + return lines.join(lineSep || this.lineSeparator()) + }, + + getLine: function(line) {var l = this.getLineHandle(line); return l && l.text}, + + getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }}, + getLineNumber: function(line) {return lineNo(line)}, + + getLineHandleVisualStart: function(line) { + if (typeof line == "number") { line = getLine(this, line); } + return visualLine(line) + }, + + lineCount: function() {return this.size}, + firstLine: function() {return this.first}, + lastLine: function() {return this.first + this.size - 1}, + + clipPos: function(pos) {return clipPos(this, pos)}, + + getCursor: function(start) { + var range$$1 = this.sel.primary(), pos; + if (start == null || start == "head") { pos = range$$1.head; } + else if (start == "anchor") { pos = range$$1.anchor; } + else if (start == "end" || start == "to" || start === false) { pos = range$$1.to(); } + else { pos = range$$1.from(); } + return pos + }, + listSelections: function() { return this.sel.ranges }, + somethingSelected: function() {return this.sel.somethingSelected()}, + + setCursor: docMethodOp(function(line, ch, options) { + setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options); + }), + setSelection: docMethodOp(function(anchor, head, options) { + setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options); + }), + extendSelection: docMethodOp(function(head, other, options) { + extendSelection(this, clipPos(this, head), other && clipPos(this, other), options); + }), + extendSelections: docMethodOp(function(heads, options) { + extendSelections(this, clipPosArray(this, heads), options); + }), + extendSelectionsBy: docMethodOp(function(f, options) { + var heads = map(this.sel.ranges, f); + extendSelections(this, clipPosArray(this, heads), options); + }), + setSelections: docMethodOp(function(ranges, primary, options) { + var this$1 = this; + + if (!ranges.length) { return } + var out = []; + for (var i = 0; i < ranges.length; i++) + { out[i] = new Range(clipPos(this$1, ranges[i].anchor), + clipPos(this$1, ranges[i].head)); } + if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); } + setSelection(this, normalizeSelection(this.cm, out, primary), options); + }), + addSelection: docMethodOp(function(anchor, head, options) { + var ranges = this.sel.ranges.slice(0); + ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor))); + setSelection(this, normalizeSelection(this.cm, ranges, ranges.length - 1), options); + }), + + getSelection: function(lineSep) { + var this$1 = this; + + var ranges = this.sel.ranges, lines; + for (var i = 0; i < ranges.length; i++) { + var sel = getBetween(this$1, ranges[i].from(), ranges[i].to()); + lines = lines ? lines.concat(sel) : sel; + } + if (lineSep === false) { return lines } + else { return lines.join(lineSep || this.lineSeparator()) } + }, + getSelections: function(lineSep) { + var this$1 = this; + + var parts = [], ranges = this.sel.ranges; + for (var i = 0; i < ranges.length; i++) { + var sel = getBetween(this$1, ranges[i].from(), ranges[i].to()); + if (lineSep !== false) { sel = sel.join(lineSep || this$1.lineSeparator()); } + parts[i] = sel; + } + return parts + }, + replaceSelection: function(code, collapse, origin) { + var dup = []; + for (var i = 0; i < this.sel.ranges.length; i++) + { dup[i] = code; } + this.replaceSelections(dup, collapse, origin || "+input"); + }, + replaceSelections: docMethodOp(function(code, collapse, origin) { + var this$1 = this; + + var changes = [], sel = this.sel; + for (var i = 0; i < sel.ranges.length; i++) { + var range$$1 = sel.ranges[i]; + changes[i] = {from: range$$1.from(), to: range$$1.to(), text: this$1.splitLines(code[i]), origin: origin}; + } + var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse); + for (var i$1 = changes.length - 1; i$1 >= 0; i$1--) + { makeChange(this$1, changes[i$1]); } + if (newSel) { setSelectionReplaceHistory(this, newSel); } + else if (this.cm) { ensureCursorVisible(this.cm); } + }), + undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}), + redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}), + undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}), + redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}), + + setExtending: function(val) {this.extend = val;}, + getExtending: function() {return this.extend}, + + historySize: function() { + var hist = this.history, done = 0, undone = 0; + for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } } + for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } } + return {undo: done, redo: undone} + }, + clearHistory: function() {this.history = new History(this.history.maxGeneration);}, + + markClean: function() { + this.cleanGeneration = this.changeGeneration(true); + }, + changeGeneration: function(forceSplit) { + if (forceSplit) + { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; } + return this.history.generation + }, + isClean: function (gen) { + return this.history.generation == (gen || this.cleanGeneration) + }, + + getHistory: function() { + return {done: copyHistoryArray(this.history.done), + undone: copyHistoryArray(this.history.undone)} + }, + setHistory: function(histData) { + var hist = this.history = new History(this.history.maxGeneration); + hist.done = copyHistoryArray(histData.done.slice(0), null, true); + hist.undone = copyHistoryArray(histData.undone.slice(0), null, true); + }, + + setGutterMarker: docMethodOp(function(line, gutterID, value) { + return changeLine(this, line, "gutter", function (line) { + var markers = line.gutterMarkers || (line.gutterMarkers = {}); + markers[gutterID] = value; + if (!value && isEmpty(markers)) { line.gutterMarkers = null; } + return true + }) + }), + + clearGutter: docMethodOp(function(gutterID) { + var this$1 = this; + + this.iter(function (line) { + if (line.gutterMarkers && line.gutterMarkers[gutterID]) { + changeLine(this$1, line, "gutter", function () { + line.gutterMarkers[gutterID] = null; + if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; } + return true + }); + } + }); + }), + + lineInfo: function(line) { + var n; + if (typeof line == "number") { + if (!isLine(this, line)) { return null } + n = line; + line = getLine(this, line); + if (!line) { return null } + } else { + n = lineNo(line); + if (n == null) { return null } + } + return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, + textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, + widgets: line.widgets} + }, + + addLineClass: docMethodOp(function(handle, where, cls) { + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { + var prop = where == "text" ? "textClass" + : where == "background" ? "bgClass" + : where == "gutter" ? "gutterClass" : "wrapClass"; + if (!line[prop]) { line[prop] = cls; } + else if (classTest(cls).test(line[prop])) { return false } + else { line[prop] += " " + cls; } + return true + }) + }), + removeLineClass: docMethodOp(function(handle, where, cls) { + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { + var prop = where == "text" ? "textClass" + : where == "background" ? "bgClass" + : where == "gutter" ? "gutterClass" : "wrapClass"; + var cur = line[prop]; + if (!cur) { return false } + else if (cls == null) { line[prop] = null; } + else { + var found = cur.match(classTest(cls)); + if (!found) { return false } + var end = found.index + found[0].length; + line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null; + } + return true + }) + }), + + addLineWidget: docMethodOp(function(handle, node, options) { + return addLineWidget(this, handle, node, options) + }), + removeLineWidget: function(widget) { widget.clear(); }, + + markText: function(from, to, options) { + return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range") + }, + setBookmark: function(pos, options) { + var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), + insertLeft: options && options.insertLeft, + clearWhenEmpty: false, shared: options && options.shared, + handleMouseEvents: options && options.handleMouseEvents}; + pos = clipPos(this, pos); + return markText(this, pos, pos, realOpts, "bookmark") + }, + findMarksAt: function(pos) { + pos = clipPos(this, pos); + var markers = [], spans = getLine(this, pos.line).markedSpans; + if (spans) { for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if ((span.from == null || span.from <= pos.ch) && + (span.to == null || span.to >= pos.ch)) + { markers.push(span.marker.parent || span.marker); } + } } + return markers + }, + findMarks: function(from, to, filter) { + from = clipPos(this, from); to = clipPos(this, to); + var found = [], lineNo$$1 = from.line; + this.iter(from.line, to.line + 1, function (line) { + var spans = line.markedSpans; + if (spans) { for (var i = 0; i < spans.length; i++) { + var span = spans[i]; + if (!(span.to != null && lineNo$$1 == from.line && from.ch >= span.to || + span.from == null && lineNo$$1 != from.line || + span.from != null && lineNo$$1 == to.line && span.from >= to.ch) && + (!filter || filter(span.marker))) + { found.push(span.marker.parent || span.marker); } + } } + ++lineNo$$1; + }); + return found + }, + getAllMarks: function() { + var markers = []; + this.iter(function (line) { + var sps = line.markedSpans; + if (sps) { for (var i = 0; i < sps.length; ++i) + { if (sps[i].from != null) { markers.push(sps[i].marker); } } } + }); + return markers + }, + + posFromIndex: function(off) { + var ch, lineNo$$1 = this.first, sepSize = this.lineSeparator().length; + this.iter(function (line) { + var sz = line.text.length + sepSize; + if (sz > off) { ch = off; return true } + off -= sz; + ++lineNo$$1; + }); + return clipPos(this, Pos(lineNo$$1, ch)) + }, + indexFromPos: function (coords) { + coords = clipPos(this, coords); + var index = coords.ch; + if (coords.line < this.first || coords.ch < 0) { return 0 } + var sepSize = this.lineSeparator().length; + this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value + index += line.text.length + sepSize; + }); + return index + }, + + copy: function(copyHistory) { + var doc = new Doc(getLines(this, this.first, this.first + this.size), + this.modeOption, this.first, this.lineSep, this.direction); + doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft; + doc.sel = this.sel; + doc.extend = false; + if (copyHistory) { + doc.history.undoDepth = this.history.undoDepth; + doc.setHistory(this.getHistory()); + } + return doc + }, + + linkedDoc: function(options) { + if (!options) { options = {}; } + var from = this.first, to = this.first + this.size; + if (options.from != null && options.from > from) { from = options.from; } + if (options.to != null && options.to < to) { to = options.to; } + var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction); + if (options.sharedHist) { copy.history = this.history + ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}); + copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]; + copySharedMarkers(copy, findSharedMarkers(this)); + return copy + }, + unlinkDoc: function(other) { + var this$1 = this; + + if (other instanceof CodeMirror) { other = other.doc; } + if (this.linked) { for (var i = 0; i < this.linked.length; ++i) { + var link = this$1.linked[i]; + if (link.doc != other) { continue } + this$1.linked.splice(i, 1); + other.unlinkDoc(this$1); + detachSharedMarkers(findSharedMarkers(this$1)); + break + } } + // If the histories were shared, split them again + if (other.history == this.history) { + var splitIds = [other.id]; + linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true); + other.history = new History(null); + other.history.done = copyHistoryArray(this.history.done, splitIds); + other.history.undone = copyHistoryArray(this.history.undone, splitIds); + } + }, + iterLinkedDocs: function(f) {linkedDocs(this, f);}, + + getMode: function() {return this.mode}, + getEditor: function() {return this.cm}, + + splitLines: function(str) { + if (this.lineSep) { return str.split(this.lineSep) } + return splitLinesAuto(str) + }, + lineSeparator: function() { return this.lineSep || "\n" }, + + setDirection: docMethodOp(function (dir) { + if (dir != "rtl") { dir = "ltr"; } + if (dir == this.direction) { return } + this.direction = dir; + this.iter(function (line) { return line.order = null; }); + if (this.cm) { directionChanged(this.cm); } + }) + }); + + // Public alias. + Doc.prototype.eachLine = Doc.prototype.iter; + + // Kludge to work around strange IE behavior where it'll sometimes + // re-fire a series of drag-related events right after the drop (#1551) + var lastDrop = 0; + + function onDrop(e) { + var cm = this; + clearDragCursor(cm); + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) + { return } + e_preventDefault(e); + if (ie) { lastDrop = +new Date; } + var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files; + if (!pos || cm.isReadOnly()) { return } + // Might be a file drop, in which case we simply extract the text + // and insert it. + if (files && files.length && window.FileReader && window.File) { + var n = files.length, text = Array(n), read = 0; + var loadFile = function (file, i) { + if (cm.options.allowDropFileTypes && + indexOf(cm.options.allowDropFileTypes, file.type) == -1) + { return } + + var reader = new FileReader; + reader.onload = operation(cm, function () { + var content = reader.result; + if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) { content = ""; } + text[i] = content; + if (++read == n) { + pos = clipPos(cm.doc, pos); + var change = {from: pos, to: pos, + text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())), + origin: "paste"}; + makeChange(cm.doc, change); + setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change))); + } + }); + reader.readAsText(file); + }; + for (var i = 0; i < n; ++i) { loadFile(files[i], i); } + } else { // Normal drop + // Don't do a replace if the drop happened inside of the selected text. + if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { + cm.state.draggingText(e); + // Ensure the editor is re-focused + setTimeout(function () { return cm.display.input.focus(); }, 20); + return + } + try { + var text$1 = e.dataTransfer.getData("Text"); + if (text$1) { + var selected; + if (cm.state.draggingText && !cm.state.draggingText.copy) + { selected = cm.listSelections(); } + setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)); + if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1) + { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag"); } } + cm.replaceSelection(text$1, "around", "paste"); + cm.display.input.focus(); + } + } + catch(e){} + } + } + + function onDragStart(cm, e) { + if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return } + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return } + + e.dataTransfer.setData("Text", cm.getSelection()); + e.dataTransfer.effectAllowed = "copyMove"; + + // Use dummy image instead of default browsers image. + // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. + if (e.dataTransfer.setDragImage && !safari) { + var img = elt("img", null, null, "position: fixed; left: 0; top: 0;"); + img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; + if (presto) { + img.width = img.height = 1; + cm.display.wrapper.appendChild(img); + // Force a relayout, or Opera won't use our image for some obscure reason + img._top = img.offsetTop; + } + e.dataTransfer.setDragImage(img, 0, 0); + if (presto) { img.parentNode.removeChild(img); } + } + } + + function onDragOver(cm, e) { + var pos = posFromMouse(cm, e); + if (!pos) { return } + var frag = document.createDocumentFragment(); + drawSelectionCursor(cm, pos, frag); + if (!cm.display.dragCursor) { + cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors"); + cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv); + } + removeChildrenAndAdd(cm.display.dragCursor, frag); + } + + function clearDragCursor(cm) { + if (cm.display.dragCursor) { + cm.display.lineSpace.removeChild(cm.display.dragCursor); + cm.display.dragCursor = null; + } + } + + // These must be handled carefully, because naively registering a + // handler for each editor will cause the editors to never be + // garbage collected. + + function forEachCodeMirror(f) { + if (!document.getElementsByClassName) { return } + var byClass = document.getElementsByClassName("CodeMirror"); + for (var i = 0; i < byClass.length; i++) { + var cm = byClass[i].CodeMirror; + if (cm) { f(cm); } + } + } + + var globalsRegistered = false; + function ensureGlobalHandlers() { + if (globalsRegistered) { return } + registerGlobalHandlers(); + globalsRegistered = true; + } + function registerGlobalHandlers() { + // When the window resizes, we need to refresh active editors. + var resizeTimer; + on(window, "resize", function () { + if (resizeTimer == null) { resizeTimer = setTimeout(function () { + resizeTimer = null; + forEachCodeMirror(onResize); + }, 100); } + }); + // When the window loses focus, we want to show the editor as blurred + on(window, "blur", function () { return forEachCodeMirror(onBlur); }); + } + // Called when the window resizes + function onResize(cm) { + var d = cm.display; + // Might be a text scaling operation, clear size caches. + d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; + d.scrollbarsClipped = false; + cm.setSize(); + } + + var keyNames = { + 3: "Pause", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", + 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", + 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", + 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", + 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete", 145: "ScrollLock", + 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", + 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", + 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" + }; + + // Number keys + for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); } + // Alphabetic keys + for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); } + // Function keys + for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2; } + + var keyMap = {}; + + keyMap.basic = { + "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", + "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", + "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", + "Tab": "defaultTab", "Shift-Tab": "indentAuto", + "Enter": "newlineAndIndent", "Insert": "toggleOverwrite", + "Esc": "singleSelection" + }; + // Note that the save and find-related commands aren't defined by + // default. User code or addons can define them. Unknown commands + // are simply ignored. + keyMap.pcDefault = { + "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", + "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", + "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", + "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", + "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", + "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", + "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", + "fallthrough": "basic" + }; + // Very basic readline/emacs-style bindings, which are standard on Mac. + keyMap.emacsy = { + "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", + "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", + "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", + "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars", + "Ctrl-O": "openLine" + }; + keyMap.macDefault = { + "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", + "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", + "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore", + "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", + "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", + "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", + "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", + "fallthrough": ["basic", "emacsy"] + }; + keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; + + // KEYMAP DISPATCH + + function normalizeKeyName(name) { + var parts = name.split(/-(?!$)/); + name = parts[parts.length - 1]; + var alt, ctrl, shift, cmd; + for (var i = 0; i < parts.length - 1; i++) { + var mod = parts[i]; + if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; } + else if (/^a(lt)?$/i.test(mod)) { alt = true; } + else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; } + else if (/^s(hift)?$/i.test(mod)) { shift = true; } + else { throw new Error("Unrecognized modifier name: " + mod) } + } + if (alt) { name = "Alt-" + name; } + if (ctrl) { name = "Ctrl-" + name; } + if (cmd) { name = "Cmd-" + name; } + if (shift) { name = "Shift-" + name; } + return name + } + + // This is a kludge to keep keymaps mostly working as raw objects + // (backwards compatibility) while at the same time support features + // like normalization and multi-stroke key bindings. It compiles a + // new normalized keymap, and then updates the old object to reflect + // this. + function normalizeKeyMap(keymap) { + var copy = {}; + for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) { + var value = keymap[keyname]; + if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue } + if (value == "...") { delete keymap[keyname]; continue } + + var keys = map(keyname.split(" "), normalizeKeyName); + for (var i = 0; i < keys.length; i++) { + var val = (void 0), name = (void 0); + if (i == keys.length - 1) { + name = keys.join(" "); + val = value; + } else { + name = keys.slice(0, i + 1).join(" "); + val = "..."; + } + var prev = copy[name]; + if (!prev) { copy[name] = val; } + else if (prev != val) { throw new Error("Inconsistent bindings for " + name) } + } + delete keymap[keyname]; + } } + for (var prop in copy) { keymap[prop] = copy[prop]; } + return keymap + } + + function lookupKey(key, map$$1, handle, context) { + map$$1 = getKeyMap(map$$1); + var found = map$$1.call ? map$$1.call(key, context) : map$$1[key]; + if (found === false) { return "nothing" } + if (found === "...") { return "multi" } + if (found != null && handle(found)) { return "handled" } + + if (map$$1.fallthrough) { + if (Object.prototype.toString.call(map$$1.fallthrough) != "[object Array]") + { return lookupKey(key, map$$1.fallthrough, handle, context) } + for (var i = 0; i < map$$1.fallthrough.length; i++) { + var result = lookupKey(key, map$$1.fallthrough[i], handle, context); + if (result) { return result } + } + } + } + + // Modifier key presses don't count as 'real' key presses for the + // purpose of keymap fallthrough. + function isModifierKey(value) { + var name = typeof value == "string" ? value : keyNames[value.keyCode]; + return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod" + } + + function addModifierNames(name, event, noShift) { + var base = name; + if (event.altKey && base != "Alt") { name = "Alt-" + name; } + if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name; } + if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") { name = "Cmd-" + name; } + if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name; } + return name + } + + // Look up the name of a key as indicated by an event object. + function keyName(event, noShift) { + if (presto && event.keyCode == 34 && event["char"]) { return false } + var name = keyNames[event.keyCode]; + if (name == null || event.altGraphKey) { return false } + // Ctrl-ScrollLock has keyCode 3, same as Ctrl-Pause, + // so we'll use event.code when available (Chrome 48+, FF 38+, Safari 10.1+) + if (event.keyCode == 3 && event.code) { name = event.code; } + return addModifierNames(name, event, noShift) + } + + function getKeyMap(val) { + return typeof val == "string" ? keyMap[val] : val + } + + // Helper for deleting text near the selection(s), used to implement + // backspace, delete, and similar functionality. + function deleteNearSelection(cm, compute) { + var ranges = cm.doc.sel.ranges, kill = []; + // Build up a set of ranges to kill first, merging overlapping + // ranges. for (var i = 0; i < ranges.length; i++) { - if (!ranges[i].empty()) { continue } - var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text; - if (line) { - if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); } - if (cur.ch > 0) { - cur = new Pos(cur.line, cur.ch + 1); - cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), - Pos(cur.line, cur.ch - 2), cur, "+transpose"); - } else if (cur.line > cm.doc.first) { - var prev = getLine(cm.doc, cur.line - 1).text; - if (prev) { - cur = new Pos(cur.line, 1); - cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + - prev.charAt(prev.length - 1), - Pos(cur.line - 1, prev.length - 1), cur, "+transpose"); + var toKill = compute(ranges[i]); + while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) { + var replaced = kill.pop(); + if (cmp(replaced.from, toKill.from) < 0) { + toKill.from = replaced.from; + break + } + } + kill.push(toKill); + } + // Next, remove those actual ranges. + runInOp(cm, function () { + for (var i = kill.length - 1; i >= 0; i--) + { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); } + ensureCursorVisible(cm); + }); + } + + function moveCharLogically(line, ch, dir) { + var target = skipExtendingChars(line.text, ch + dir, dir); + return target < 0 || target > line.text.length ? null : target + } + + function moveLogically(line, start, dir) { + var ch = moveCharLogically(line, start.ch, dir); + return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before") + } + + function endOfLine(visually, cm, lineObj, lineNo, dir) { + if (visually) { + var order = getOrder(lineObj, cm.doc.direction); + if (order) { + var part = dir < 0 ? lst(order) : order[0]; + var moveInStorageOrder = (dir < 0) == (part.level == 1); + var sticky = moveInStorageOrder ? "after" : "before"; + var ch; + // With a wrapped rtl chunk (possibly spanning multiple bidi parts), + // it could be that the last bidi part is not on the last visual line, + // since visual lines contain content order-consecutive chunks. + // Thus, in rtl, we are looking for the first (content-order) character + // in the rtl chunk that is on the last line (that is, the same line + // as the last (content-order) character). + if (part.level > 0 || cm.doc.direction == "rtl") { + var prep = prepareMeasureForLine(cm, lineObj); + ch = dir < 0 ? lineObj.text.length - 1 : 0; + var targetTop = measureCharPrepared(cm, prep, ch).top; + ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch); + if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1); } + } else { ch = dir < 0 ? part.to : part.from; } + return new Pos(lineNo, ch, sticky) + } + } + return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after") + } + + function moveVisually(cm, line, start, dir) { + var bidi = getOrder(line, cm.doc.direction); + if (!bidi) { return moveLogically(line, start, dir) } + if (start.ch >= line.text.length) { + start.ch = line.text.length; + start.sticky = "before"; + } else if (start.ch <= 0) { + start.ch = 0; + start.sticky = "after"; + } + var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos]; + if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) { + // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines, + // nothing interesting happens. + return moveLogically(line, start, dir) + } + + var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); }; + var prep; + var getWrappedLineExtent = function (ch) { + if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} } + prep = prep || prepareMeasureForLine(cm, line); + return wrappedLineExtentChar(cm, line, prep, ch) + }; + var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch); + + if (cm.doc.direction == "rtl" || part.level == 1) { + var moveInStorageOrder = (part.level == 1) == (dir < 0); + var ch = mv(start, moveInStorageOrder ? 1 : -1); + if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) { + // Case 2: We move within an rtl part or in an rtl editor on the same visual line + var sticky = moveInStorageOrder ? "before" : "after"; + return new Pos(start.line, ch, sticky) + } + } + + // Case 3: Could not move within this bidi part in this visual line, so leave + // the current bidi part + + var searchInVisualLine = function (partPos, dir, wrappedLineExtent) { + var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder + ? new Pos(start.line, mv(ch, 1), "before") + : new Pos(start.line, ch, "after"); }; + + for (; partPos >= 0 && partPos < bidi.length; partPos += dir) { + var part = bidi[partPos]; + var moveInStorageOrder = (dir > 0) == (part.level != 1); + var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1); + if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) } + ch = moveInStorageOrder ? part.from : mv(part.to, -1); + if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) } + } + }; + + // Case 3a: Look for other bidi parts on the same visual line + var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent); + if (res) { return res } + + // Case 3b: Look for other bidi parts on the next visual line + var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1); + if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) { + res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh)); + if (res) { return res } + } + + // Case 4: Nowhere to move + return null + } + + // Commands are parameter-less actions that can be performed on an + // editor, mostly used for keybindings. + var commands = { + selectAll: selectAll, + singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); }, + killLine: function (cm) { return deleteNearSelection(cm, function (range) { + if (range.empty()) { + var len = getLine(cm.doc, range.head.line).text.length; + if (range.head.ch == len && range.head.line < cm.lastLine()) + { return {from: range.head, to: Pos(range.head.line + 1, 0)} } + else + { return {from: range.head, to: Pos(range.head.line, len)} } + } else { + return {from: range.from(), to: range.to()} + } + }); }, + deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({ + from: Pos(range.from().line, 0), + to: clipPos(cm.doc, Pos(range.to().line + 1, 0)) + }); }); }, + delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({ + from: Pos(range.from().line, 0), to: range.from() + }); }); }, + delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { + var top = cm.charCoords(range.head, "div").top + 5; + var leftPos = cm.coordsChar({left: 0, top: top}, "div"); + return {from: leftPos, to: range.from()} + }); }, + delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) { + var top = cm.charCoords(range.head, "div").top + 5; + var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); + return {from: range.from(), to: rightPos } + }); }, + undo: function (cm) { return cm.undo(); }, + redo: function (cm) { return cm.redo(); }, + undoSelection: function (cm) { return cm.undoSelection(); }, + redoSelection: function (cm) { return cm.redoSelection(); }, + goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); }, + goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); }, + goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); }, + {origin: "+move", bias: 1} + ); }, + goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); }, + {origin: "+move", bias: 1} + ); }, + goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); }, + {origin: "+move", bias: -1} + ); }, + goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) { + var top = cm.cursorCoords(range.head, "div").top + 5; + return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div") + }, sel_move); }, + goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) { + var top = cm.cursorCoords(range.head, "div").top + 5; + return cm.coordsChar({left: 0, top: top}, "div") + }, sel_move); }, + goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) { + var top = cm.cursorCoords(range.head, "div").top + 5; + var pos = cm.coordsChar({left: 0, top: top}, "div"); + if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) } + return pos + }, sel_move); }, + goLineUp: function (cm) { return cm.moveV(-1, "line"); }, + goLineDown: function (cm) { return cm.moveV(1, "line"); }, + goPageUp: function (cm) { return cm.moveV(-1, "page"); }, + goPageDown: function (cm) { return cm.moveV(1, "page"); }, + goCharLeft: function (cm) { return cm.moveH(-1, "char"); }, + goCharRight: function (cm) { return cm.moveH(1, "char"); }, + goColumnLeft: function (cm) { return cm.moveH(-1, "column"); }, + goColumnRight: function (cm) { return cm.moveH(1, "column"); }, + goWordLeft: function (cm) { return cm.moveH(-1, "word"); }, + goGroupRight: function (cm) { return cm.moveH(1, "group"); }, + goGroupLeft: function (cm) { return cm.moveH(-1, "group"); }, + goWordRight: function (cm) { return cm.moveH(1, "word"); }, + delCharBefore: function (cm) { return cm.deleteH(-1, "char"); }, + delCharAfter: function (cm) { return cm.deleteH(1, "char"); }, + delWordBefore: function (cm) { return cm.deleteH(-1, "word"); }, + delWordAfter: function (cm) { return cm.deleteH(1, "word"); }, + delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); }, + delGroupAfter: function (cm) { return cm.deleteH(1, "group"); }, + indentAuto: function (cm) { return cm.indentSelection("smart"); }, + indentMore: function (cm) { return cm.indentSelection("add"); }, + indentLess: function (cm) { return cm.indentSelection("subtract"); }, + insertTab: function (cm) { return cm.replaceSelection("\t"); }, + insertSoftTab: function (cm) { + var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize; + for (var i = 0; i < ranges.length; i++) { + var pos = ranges[i].from(); + var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize); + spaces.push(spaceStr(tabSize - col % tabSize)); + } + cm.replaceSelections(spaces); + }, + defaultTab: function (cm) { + if (cm.somethingSelected()) { cm.indentSelection("add"); } + else { cm.execCommand("insertTab"); } + }, + // Swap the two chars left and right of each selection's head. + // Move cursor behind the two swapped characters afterwards. + // + // Doesn't consider line feeds a character. + // Doesn't scan more than one line above to find a character. + // Doesn't do anything on an empty line. + // Doesn't do anything with non-empty selections. + transposeChars: function (cm) { return runInOp(cm, function () { + var ranges = cm.listSelections(), newSel = []; + for (var i = 0; i < ranges.length; i++) { + if (!ranges[i].empty()) { continue } + var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text; + if (line) { + if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); } + if (cur.ch > 0) { + cur = new Pos(cur.line, cur.ch + 1); + cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), + Pos(cur.line, cur.ch - 2), cur, "+transpose"); + } else if (cur.line > cm.doc.first) { + var prev = getLine(cm.doc, cur.line - 1).text; + if (prev) { + cur = new Pos(cur.line, 1); + cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + + prev.charAt(prev.length - 1), + Pos(cur.line - 1, prev.length - 1), cur, "+transpose"); + } } } + newSel.push(new Range(cur, cur)); } - newSel.push(new Range(cur, cur)); + cm.setSelections(newSel); + }); }, + newlineAndIndent: function (cm) { return runInOp(cm, function () { + var sels = cm.listSelections(); + for (var i = sels.length - 1; i >= 0; i--) + { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input"); } + sels = cm.listSelections(); + for (var i$1 = 0; i$1 < sels.length; i$1++) + { cm.indentLine(sels[i$1].from().line, null, true); } + ensureCursorVisible(cm); + }); }, + openLine: function (cm) { return cm.replaceSelection("\n", "start"); }, + toggleOverwrite: function (cm) { return cm.toggleOverwrite(); } + }; + + + function lineStart(cm, lineN) { + var line = getLine(cm.doc, lineN); + var visual = visualLine(line); + if (visual != line) { lineN = lineNo(visual); } + return endOfLine(true, cm, visual, lineN, 1) + } + function lineEnd(cm, lineN) { + var line = getLine(cm.doc, lineN); + var visual = visualLineEnd(line); + if (visual != line) { lineN = lineNo(visual); } + return endOfLine(true, cm, line, lineN, -1) + } + function lineStartSmart(cm, pos) { + var start = lineStart(cm, pos.line); + var line = getLine(cm.doc, start.line); + var order = getOrder(line, cm.doc.direction); + if (!order || order[0].level == 0) { + var firstNonWS = Math.max(0, line.text.search(/\S/)); + var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch; + return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky) } - cm.setSelections(newSel); - }); }, - newlineAndIndent: function (cm) { return runInOp(cm, function () { - var sels = cm.listSelections(); - for (var i = sels.length - 1; i >= 0; i--) - { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input"); } - sels = cm.listSelections(); - for (var i$1 = 0; i$1 < sels.length; i$1++) - { cm.indentLine(sels[i$1].from().line, null, true); } - ensureCursorVisible(cm); - }); }, - openLine: function (cm) { return cm.replaceSelection("\n", "start"); }, - toggleOverwrite: function (cm) { return cm.toggleOverwrite(); } -}; - - -function lineStart(cm, lineN) { - var line = getLine(cm.doc, lineN); - var visual = visualLine(line); - if (visual != line) { lineN = lineNo(visual); } - return endOfLine(true, cm, visual, lineN, 1) -} -function lineEnd(cm, lineN) { - var line = getLine(cm.doc, lineN); - var visual = visualLineEnd(line); - if (visual != line) { lineN = lineNo(visual); } - return endOfLine(true, cm, line, lineN, -1) -} -function lineStartSmart(cm, pos) { - var start = lineStart(cm, pos.line); - var line = getLine(cm.doc, start.line); - var order = getOrder(line, cm.doc.direction); - if (!order || order[0].level == 0) { - var firstNonWS = Math.max(0, line.text.search(/\S/)); - var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch; - return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky) - } - return start -} - -// Run a handler that was bound to a key. -function doHandleBinding(cm, bound, dropShift) { - if (typeof bound == "string") { - bound = commands[bound]; - if (!bound) { return false } - } - // Ensure previous input has been read, so that the handler sees a - // consistent view of the document - cm.display.input.ensurePolled(); - var prevShift = cm.display.shift, done = false; - try { - if (cm.isReadOnly()) { cm.state.suppressEdits = true; } - if (dropShift) { cm.display.shift = false; } - done = bound(cm) != Pass; - } finally { - cm.display.shift = prevShift; - cm.state.suppressEdits = false; - } - return done -} - -function lookupKeyForEditor(cm, name, handle) { - for (var i = 0; i < cm.state.keyMaps.length; i++) { - var result = lookupKey(name, cm.state.keyMaps[i], handle, cm); - if (result) { return result } - } - return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) - || lookupKey(name, cm.options.keyMap, handle, cm) -} - -// Note that, despite the name, this function is also used to check -// for bound mouse clicks. - -var stopSeq = new Delayed; - -function dispatchKey(cm, name, e, handle) { - var seq = cm.state.keySeq; - if (seq) { - if (isModifierKey(name)) { return "handled" } - if (/\'$/.test(name)) - { cm.state.keySeq = null; } - else - { stopSeq.set(50, function () { - if (cm.state.keySeq == seq) { - cm.state.keySeq = null; - cm.display.input.reset(); - } - }); } - if (dispatchKeyInner(cm, seq + " " + name, e, handle)) { return true } - } - return dispatchKeyInner(cm, name, e, handle) -} - -function dispatchKeyInner(cm, name, e, handle) { - var result = lookupKeyForEditor(cm, name, handle); - - if (result == "multi") - { cm.state.keySeq = name; } - if (result == "handled") - { signalLater(cm, "keyHandled", cm, name, e); } - - if (result == "handled" || result == "multi") { - e_preventDefault(e); - restartBlink(cm); + return start } - return !!result -} - -// Handle a key from the keydown event. -function handleKeyBinding(cm, e) { - var name = keyName(e, true); - if (!name) { return false } - - if (e.shiftKey && !cm.state.keySeq) { - // First try to resolve full name (including 'Shift-'). Failing - // that, see if there is a cursor-motion command (starting with - // 'go') bound to the keyname without 'Shift-'. - return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); }) - || dispatchKey(cm, name, e, function (b) { - if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) - { return doHandleBinding(cm, b) } - }) - } else { - return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); }) - } -} - -// Handle a key from the keypress event -function handleCharBinding(cm, e, ch) { - return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); }) -} - -var lastStoppedKey = null; -function onKeyDown(e) { - var cm = this; - cm.curOp.focus = activeElt(); - if (signalDOMEvent(cm, e)) { return } - // IE does strange things with escape. - if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; } - var code = e.keyCode; - cm.display.shift = code == 16 || e.shiftKey; - var handled = handleKeyBinding(cm, e); - if (presto) { - lastStoppedKey = handled ? code : null; - // Opera has no cut event... we try to at least catch the key combo - if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) - { cm.replaceSelection("", null, "cut"); } - } - - // Turn mouse into crosshair when Alt is held on Mac. - if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) - { showCrossHair(cm); } -} - -function showCrossHair(cm) { - var lineDiv = cm.display.lineDiv; - addClass(lineDiv, "CodeMirror-crosshair"); - - function up(e) { - if (e.keyCode == 18 || !e.altKey) { - rmClass(lineDiv, "CodeMirror-crosshair"); - off(document, "keyup", up); - off(document, "mouseover", up); + // Run a handler that was bound to a key. + function doHandleBinding(cm, bound, dropShift) { + if (typeof bound == "string") { + bound = commands[bound]; + if (!bound) { return false } } - } - on(document, "keyup", up); - on(document, "mouseover", up); -} - -function onKeyUp(e) { - if (e.keyCode == 16) { this.doc.sel.shift = false; } - signalDOMEvent(this, e); -} - -function onKeyPress(e) { - var cm = this; - if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return } - var keyCode = e.keyCode, charCode = e.charCode; - if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return} - if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return } - var ch = String.fromCharCode(charCode == null ? keyCode : charCode); - // Some browsers fire keypress events for backspace - if (ch == "\x08") { return } - if (handleCharBinding(cm, e, ch)) { return } - cm.display.input.onKeyPress(e); -} - -var DOUBLECLICK_DELAY = 400; - -var PastClick = function(time, pos, button) { - this.time = time; - this.pos = pos; - this.button = button; -}; - -PastClick.prototype.compare = function (time, pos, button) { - return this.time + DOUBLECLICK_DELAY > time && - cmp(pos, this.pos) == 0 && button == this.button -}; - -var lastClick; -var lastDoubleClick; -function clickRepeat(pos, button) { - var now = +new Date; - if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) { - lastClick = lastDoubleClick = null; - return "triple" - } else if (lastClick && lastClick.compare(now, pos, button)) { - lastDoubleClick = new PastClick(now, pos, button); - lastClick = null; - return "double" - } else { - lastClick = new PastClick(now, pos, button); - lastDoubleClick = null; - return "single" - } -} - -// A mouse down can be a single click, double click, triple click, -// start of selection drag, start of text drag, new cursor -// (ctrl-click), rectangle drag (alt-drag), or xwin -// middle-click-paste. Or it might be a click on something we should -// not interfere with, such as a scrollbar or widget. -function onMouseDown(e) { - var cm = this, display = cm.display; - if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return } - display.input.ensurePolled(); - display.shift = e.shiftKey; - - if (eventInWidget(display, e)) { - if (!webkit) { - // Briefly turn off draggability, to allow widgets to do - // normal dragging things. - display.scroller.draggable = false; - setTimeout(function () { return display.scroller.draggable = true; }, 100); - } - return - } - if (clickInGutter(cm, e)) { return } - var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single"; - window.focus(); - - // #3261: make sure, that we're not starting a second selection - if (button == 1 && cm.state.selectingText) - { cm.state.selectingText(e); } - - if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return } - - if (button == 1) { - if (pos) { leftButtonDown(cm, pos, repeat, e); } - else if (e_target(e) == display.scroller) { e_preventDefault(e); } - } else if (button == 2) { - if (pos) { extendSelection(cm.doc, pos); } - setTimeout(function () { return display.input.focus(); }, 20); - } else if (button == 3) { - if (captureRightClick) { onContextMenu(cm, e); } - else { delayBlurEvent(cm); } - } -} - -function handleMappedButton(cm, button, pos, repeat, event) { - var name = "Click"; - if (repeat == "double") { name = "Double" + name; } - else if (repeat == "triple") { name = "Triple" + name; } - name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name; - - return dispatchKey(cm, addModifierNames(name, event), event, function (bound) { - if (typeof bound == "string") { bound = commands[bound]; } - if (!bound) { return false } - var done = false; + // Ensure previous input has been read, so that the handler sees a + // consistent view of the document + cm.display.input.ensurePolled(); + var prevShift = cm.display.shift, done = false; try { if (cm.isReadOnly()) { cm.state.suppressEdits = true; } - done = bound(cm, pos) != Pass; + if (dropShift) { cm.display.shift = false; } + done = bound(cm) != Pass; } finally { + cm.display.shift = prevShift; cm.state.suppressEdits = false; } return done - }) -} - -function configureMouse(cm, repeat, event) { - var option = cm.getOption("configureMouse"); - var value = option ? option(cm, repeat, event) : {}; - if (value.unit == null) { - var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey; - value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line"; } - if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; } - if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; } - if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); } - return value -} -function leftButtonDown(cm, pos, repeat, event) { - if (ie) { setTimeout(bind(ensureFocus, cm), 0); } - else { cm.curOp.focus = activeElt(); } - - var behavior = configureMouse(cm, repeat, event); - - var sel = cm.doc.sel, contained; - if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() && - repeat == "single" && (contained = sel.contains(pos)) > -1 && - (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) && - (cmp(contained.to(), pos) > 0 || pos.xRel < 0)) - { leftButtonStartDrag(cm, event, pos, behavior); } - else - { leftButtonSelect(cm, event, pos, behavior); } -} - -// Start a text drag. When it ends, see if any dragging actually -// happen, and treat as a click if it didn't. -function leftButtonStartDrag(cm, event, pos, behavior) { - var display = cm.display, moved = false; - var dragEnd = operation(cm, function (e) { - if (webkit) { display.scroller.draggable = false; } - cm.state.draggingText = false; - off(display.wrapper.ownerDocument, "mouseup", dragEnd); - off(display.wrapper.ownerDocument, "mousemove", mouseMove); - off(display.scroller, "dragstart", dragStart); - off(display.scroller, "drop", dragEnd); - if (!moved) { - e_preventDefault(e); - if (!behavior.addNew) - { extendSelection(cm.doc, pos, null, null, behavior.extend); } - // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) - if (webkit || ie && ie_version == 9) - { setTimeout(function () {display.wrapper.ownerDocument.body.focus(); display.input.focus();}, 20); } - else - { display.input.focus(); } + function lookupKeyForEditor(cm, name, handle) { + for (var i = 0; i < cm.state.keyMaps.length; i++) { + var result = lookupKey(name, cm.state.keyMaps[i], handle, cm); + if (result) { return result } } - }); - var mouseMove = function(e2) { - moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10; + return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) + || lookupKey(name, cm.options.keyMap, handle, cm) + } + + // Note that, despite the name, this function is also used to check + // for bound mouse clicks. + + var stopSeq = new Delayed; + + function dispatchKey(cm, name, e, handle) { + var seq = cm.state.keySeq; + if (seq) { + if (isModifierKey(name)) { return "handled" } + if (/\'$/.test(name)) + { cm.state.keySeq = null; } + else + { stopSeq.set(50, function () { + if (cm.state.keySeq == seq) { + cm.state.keySeq = null; + cm.display.input.reset(); + } + }); } + if (dispatchKeyInner(cm, seq + " " + name, e, handle)) { return true } + } + return dispatchKeyInner(cm, name, e, handle) + } + + function dispatchKeyInner(cm, name, e, handle) { + var result = lookupKeyForEditor(cm, name, handle); + + if (result == "multi") + { cm.state.keySeq = name; } + if (result == "handled") + { signalLater(cm, "keyHandled", cm, name, e); } + + if (result == "handled" || result == "multi") { + e_preventDefault(e); + restartBlink(cm); + } + + return !!result + } + + // Handle a key from the keydown event. + function handleKeyBinding(cm, e) { + var name = keyName(e, true); + if (!name) { return false } + + if (e.shiftKey && !cm.state.keySeq) { + // First try to resolve full name (including 'Shift-'). Failing + // that, see if there is a cursor-motion command (starting with + // 'go') bound to the keyname without 'Shift-'. + return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); }) + || dispatchKey(cm, name, e, function (b) { + if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) + { return doHandleBinding(cm, b) } + }) + } else { + return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); }) + } + } + + // Handle a key from the keypress event + function handleCharBinding(cm, e, ch) { + return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); }) + } + + var lastStoppedKey = null; + function onKeyDown(e) { + var cm = this; + cm.curOp.focus = activeElt(); + if (signalDOMEvent(cm, e)) { return } + // IE does strange things with escape. + if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; } + var code = e.keyCode; + cm.display.shift = code == 16 || e.shiftKey; + var handled = handleKeyBinding(cm, e); + if (presto) { + lastStoppedKey = handled ? code : null; + // Opera has no cut event... we try to at least catch the key combo + if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) + { cm.replaceSelection("", null, "cut"); } + } + + // Turn mouse into crosshair when Alt is held on Mac. + if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) + { showCrossHair(cm); } + } + + function showCrossHair(cm) { + var lineDiv = cm.display.lineDiv; + addClass(lineDiv, "CodeMirror-crosshair"); + + function up(e) { + if (e.keyCode == 18 || !e.altKey) { + rmClass(lineDiv, "CodeMirror-crosshair"); + off(document, "keyup", up); + off(document, "mouseover", up); + } + } + on(document, "keyup", up); + on(document, "mouseover", up); + } + + function onKeyUp(e) { + if (e.keyCode == 16) { this.doc.sel.shift = false; } + signalDOMEvent(this, e); + } + + function onKeyPress(e) { + var cm = this; + if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return } + var keyCode = e.keyCode, charCode = e.charCode; + if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return} + if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return } + var ch = String.fromCharCode(charCode == null ? keyCode : charCode); + // Some browsers fire keypress events for backspace + if (ch == "\x08") { return } + if (handleCharBinding(cm, e, ch)) { return } + cm.display.input.onKeyPress(e); + } + + var DOUBLECLICK_DELAY = 400; + + var PastClick = function(time, pos, button) { + this.time = time; + this.pos = pos; + this.button = button; }; - var dragStart = function () { return moved = true; }; - // Let the drag handler handle this. - if (webkit) { display.scroller.draggable = true; } - cm.state.draggingText = dragEnd; - dragEnd.copy = !behavior.moveOnDrag; - // IE's approach to draggable - if (display.scroller.dragDrop) { display.scroller.dragDrop(); } - on(display.wrapper.ownerDocument, "mouseup", dragEnd); - on(display.wrapper.ownerDocument, "mousemove", mouseMove); - on(display.scroller, "dragstart", dragStart); - on(display.scroller, "drop", dragEnd); - delayBlurEvent(cm); - setTimeout(function () { return display.input.focus(); }, 20); -} + PastClick.prototype.compare = function (time, pos, button) { + return this.time + DOUBLECLICK_DELAY > time && + cmp(pos, this.pos) == 0 && button == this.button + }; -function rangeForUnit(cm, pos, unit) { - if (unit == "char") { return new Range(pos, pos) } - if (unit == "word") { return cm.findWordAt(pos) } - if (unit == "line") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) } - var result = unit(cm, pos); - return new Range(result.from, result.to) -} + var lastClick, lastDoubleClick; + function clickRepeat(pos, button) { + var now = +new Date; + if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) { + lastClick = lastDoubleClick = null; + return "triple" + } else if (lastClick && lastClick.compare(now, pos, button)) { + lastDoubleClick = new PastClick(now, pos, button); + lastClick = null; + return "double" + } else { + lastClick = new PastClick(now, pos, button); + lastDoubleClick = null; + return "single" + } + } -// Normal selection, as opposed to text dragging. -function leftButtonSelect(cm, event, start, behavior) { - var display = cm.display, doc = cm.doc; - e_preventDefault(event); + // A mouse down can be a single click, double click, triple click, + // start of selection drag, start of text drag, new cursor + // (ctrl-click), rectangle drag (alt-drag), or xwin + // middle-click-paste. Or it might be a click on something we should + // not interfere with, such as a scrollbar or widget. + function onMouseDown(e) { + var cm = this, display = cm.display; + if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return } + display.input.ensurePolled(); + display.shift = e.shiftKey; - var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges; - if (behavior.addNew && !behavior.extend) { - ourIndex = doc.sel.contains(start); - if (ourIndex > -1) - { ourRange = ranges[ourIndex]; } + if (eventInWidget(display, e)) { + if (!webkit) { + // Briefly turn off draggability, to allow widgets to do + // normal dragging things. + display.scroller.draggable = false; + setTimeout(function () { return display.scroller.draggable = true; }, 100); + } + return + } + if (clickInGutter(cm, e)) { return } + var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single"; + window.focus(); + + // #3261: make sure, that we're not starting a second selection + if (button == 1 && cm.state.selectingText) + { cm.state.selectingText(e); } + + if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return } + + if (button == 1) { + if (pos) { leftButtonDown(cm, pos, repeat, e); } + else if (e_target(e) == display.scroller) { e_preventDefault(e); } + } else if (button == 2) { + if (pos) { extendSelection(cm.doc, pos); } + setTimeout(function () { return display.input.focus(); }, 20); + } else if (button == 3) { + if (captureRightClick) { cm.display.input.onContextMenu(e); } + else { delayBlurEvent(cm); } + } + } + + function handleMappedButton(cm, button, pos, repeat, event) { + var name = "Click"; + if (repeat == "double") { name = "Double" + name; } + else if (repeat == "triple") { name = "Triple" + name; } + name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name; + + return dispatchKey(cm, addModifierNames(name, event), event, function (bound) { + if (typeof bound == "string") { bound = commands[bound]; } + if (!bound) { return false } + var done = false; + try { + if (cm.isReadOnly()) { cm.state.suppressEdits = true; } + done = bound(cm, pos) != Pass; + } finally { + cm.state.suppressEdits = false; + } + return done + }) + } + + function configureMouse(cm, repeat, event) { + var option = cm.getOption("configureMouse"); + var value = option ? option(cm, repeat, event) : {}; + if (value.unit == null) { + var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey; + value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line"; + } + if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; } + if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; } + if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); } + return value + } + + function leftButtonDown(cm, pos, repeat, event) { + if (ie) { setTimeout(bind(ensureFocus, cm), 0); } + else { cm.curOp.focus = activeElt(); } + + var behavior = configureMouse(cm, repeat, event); + + var sel = cm.doc.sel, contained; + if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() && + repeat == "single" && (contained = sel.contains(pos)) > -1 && + (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) && + (cmp(contained.to(), pos) > 0 || pos.xRel < 0)) + { leftButtonStartDrag(cm, event, pos, behavior); } else - { ourRange = new Range(start, start); } - } else { - ourRange = doc.sel.primary(); - ourIndex = doc.sel.primIndex; + { leftButtonSelect(cm, event, pos, behavior); } } - if (behavior.unit == "rectangle") { - if (!behavior.addNew) { ourRange = new Range(start, start); } - start = posFromMouse(cm, event, true, true); - ourIndex = -1; - } else { - var range$$1 = rangeForUnit(cm, start, behavior.unit); - if (behavior.extend) - { ourRange = extendRange(ourRange, range$$1.anchor, range$$1.head, behavior.extend); } - else - { ourRange = range$$1; } + // Start a text drag. When it ends, see if any dragging actually + // happen, and treat as a click if it didn't. + function leftButtonStartDrag(cm, event, pos, behavior) { + var display = cm.display, moved = false; + var dragEnd = operation(cm, function (e) { + if (webkit) { display.scroller.draggable = false; } + cm.state.draggingText = false; + off(display.wrapper.ownerDocument, "mouseup", dragEnd); + off(display.wrapper.ownerDocument, "mousemove", mouseMove); + off(display.scroller, "dragstart", dragStart); + off(display.scroller, "drop", dragEnd); + if (!moved) { + e_preventDefault(e); + if (!behavior.addNew) + { extendSelection(cm.doc, pos, null, null, behavior.extend); } + // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) + if (webkit || ie && ie_version == 9) + { setTimeout(function () {display.wrapper.ownerDocument.body.focus(); display.input.focus();}, 20); } + else + { display.input.focus(); } + } + }); + var mouseMove = function(e2) { + moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10; + }; + var dragStart = function () { return moved = true; }; + // Let the drag handler handle this. + if (webkit) { display.scroller.draggable = true; } + cm.state.draggingText = dragEnd; + dragEnd.copy = !behavior.moveOnDrag; + // IE's approach to draggable + if (display.scroller.dragDrop) { display.scroller.dragDrop(); } + on(display.wrapper.ownerDocument, "mouseup", dragEnd); + on(display.wrapper.ownerDocument, "mousemove", mouseMove); + on(display.scroller, "dragstart", dragStart); + on(display.scroller, "drop", dragEnd); + + delayBlurEvent(cm); + setTimeout(function () { return display.input.focus(); }, 20); } - if (!behavior.addNew) { - ourIndex = 0; - setSelection(doc, new Selection([ourRange], 0), sel_mouse); - startSel = doc.sel; - } else if (ourIndex == -1) { - ourIndex = ranges.length; - setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex), - {scroll: false, origin: "*mouse"}); - } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) { - setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), - {scroll: false, origin: "*mouse"}); - startSel = doc.sel; - } else { - replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); + function rangeForUnit(cm, pos, unit) { + if (unit == "char") { return new Range(pos, pos) } + if (unit == "word") { return cm.findWordAt(pos) } + if (unit == "line") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) } + var result = unit(cm, pos); + return new Range(result.from, result.to) } - var lastPos = start; - function extendTo(pos) { - if (cmp(lastPos, pos) == 0) { return } - lastPos = pos; + // Normal selection, as opposed to text dragging. + function leftButtonSelect(cm, event, start, behavior) { + var display = cm.display, doc = cm.doc; + e_preventDefault(event); + + var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges; + if (behavior.addNew && !behavior.extend) { + ourIndex = doc.sel.contains(start); + if (ourIndex > -1) + { ourRange = ranges[ourIndex]; } + else + { ourRange = new Range(start, start); } + } else { + ourRange = doc.sel.primary(); + ourIndex = doc.sel.primIndex; + } if (behavior.unit == "rectangle") { - var ranges = [], tabSize = cm.options.tabSize; - var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize); - var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize); - var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol); - for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); - line <= end; line++) { - var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize); - if (left == right) - { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); } - else if (text.length > leftPos) - { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); } - } - if (!ranges.length) { ranges.push(new Range(start, start)); } - setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), - {origin: "*mouse", scroll: false}); - cm.scrollIntoView(pos); + if (!behavior.addNew) { ourRange = new Range(start, start); } + start = posFromMouse(cm, event, true, true); + ourIndex = -1; } else { - var oldRange = ourRange; - var range$$1 = rangeForUnit(cm, pos, behavior.unit); - var anchor = oldRange.anchor, head; - if (cmp(range$$1.anchor, anchor) > 0) { - head = range$$1.head; - anchor = minPos(oldRange.from(), range$$1.anchor); + var range$$1 = rangeForUnit(cm, start, behavior.unit); + if (behavior.extend) + { ourRange = extendRange(ourRange, range$$1.anchor, range$$1.head, behavior.extend); } + else + { ourRange = range$$1; } + } + + if (!behavior.addNew) { + ourIndex = 0; + setSelection(doc, new Selection([ourRange], 0), sel_mouse); + startSel = doc.sel; + } else if (ourIndex == -1) { + ourIndex = ranges.length; + setSelection(doc, normalizeSelection(cm, ranges.concat([ourRange]), ourIndex), + {scroll: false, origin: "*mouse"}); + } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) { + setSelection(doc, normalizeSelection(cm, ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), + {scroll: false, origin: "*mouse"}); + startSel = doc.sel; + } else { + replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); + } + + var lastPos = start; + function extendTo(pos) { + if (cmp(lastPos, pos) == 0) { return } + lastPos = pos; + + if (behavior.unit == "rectangle") { + var ranges = [], tabSize = cm.options.tabSize; + var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize); + var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize); + var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol); + for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); + line <= end; line++) { + var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize); + if (left == right) + { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); } + else if (text.length > leftPos) + { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); } + } + if (!ranges.length) { ranges.push(new Range(start, start)); } + setSelection(doc, normalizeSelection(cm, startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), + {origin: "*mouse", scroll: false}); + cm.scrollIntoView(pos); } else { - head = range$$1.anchor; - anchor = maxPos(oldRange.to(), range$$1.head); + var oldRange = ourRange; + var range$$1 = rangeForUnit(cm, pos, behavior.unit); + var anchor = oldRange.anchor, head; + if (cmp(range$$1.anchor, anchor) > 0) { + head = range$$1.head; + anchor = minPos(oldRange.from(), range$$1.anchor); + } else { + head = range$$1.anchor; + anchor = maxPos(oldRange.to(), range$$1.head); + } + var ranges$1 = startSel.ranges.slice(0); + ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head)); + setSelection(doc, normalizeSelection(cm, ranges$1, ourIndex), sel_mouse); } - var ranges$1 = startSel.ranges.slice(0); - ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head)); - setSelection(doc, normalizeSelection(ranges$1, ourIndex), sel_mouse); } - } - var editorSize = display.wrapper.getBoundingClientRect(); - // Used to ensure timeout re-tries don't fire when another extend - // happened in the meantime (clearTimeout isn't reliable -- at - // least on Chrome, the timeouts still happen even when cleared, - // if the clear happens after their scheduled firing time). - var counter = 0; + var editorSize = display.wrapper.getBoundingClientRect(); + // Used to ensure timeout re-tries don't fire when another extend + // happened in the meantime (clearTimeout isn't reliable -- at + // least on Chrome, the timeouts still happen even when cleared, + // if the clear happens after their scheduled firing time). + var counter = 0; - function extend(e) { - var curCount = ++counter; - var cur = posFromMouse(cm, e, true, behavior.unit == "rectangle"); - if (!cur) { return } - if (cmp(cur, lastPos) != 0) { - cm.curOp.focus = activeElt(); - extendTo(cur); - var visible = visibleLines(display, doc); - if (cur.line >= visible.to || cur.line < visible.from) - { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); } - } else { - var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0; - if (outside) { setTimeout(operation(cm, function () { - if (counter != curCount) { return } - display.scroller.scrollTop += outside; - extend(e); - }), 50); } - } - } - - function done(e) { - cm.state.selectingText = false; - counter = Infinity; - e_preventDefault(e); - display.input.focus(); - off(display.wrapper.ownerDocument, "mousemove", move); - off(display.wrapper.ownerDocument, "mouseup", up); - doc.history.lastSelOrigin = null; - } - - var move = operation(cm, function (e) { - if (e.buttons === 0 || !e_button(e)) { done(e); } - else { extend(e); } - }); - var up = operation(cm, done); - cm.state.selectingText = up; - on(display.wrapper.ownerDocument, "mousemove", move); - on(display.wrapper.ownerDocument, "mouseup", up); -} - -// Used when mouse-selecting to adjust the anchor to the proper side -// of a bidi jump depending on the visual position of the head. -function bidiSimplify(cm, range$$1) { - var anchor = range$$1.anchor; - var head = range$$1.head; - var anchorLine = getLine(cm.doc, anchor.line); - if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range$$1 } - var order = getOrder(anchorLine); - if (!order) { return range$$1 } - var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index]; - if (part.from != anchor.ch && part.to != anchor.ch) { return range$$1 } - var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1); - if (boundary == 0 || boundary == order.length) { return range$$1 } - - // Compute the relative visual position of the head compared to the - // anchor (<0 is to the left, >0 to the right) - var leftSide; - if (head.line != anchor.line) { - leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0; - } else { - var headIndex = getBidiPartAt(order, head.ch, head.sticky); - var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1); - if (headIndex == boundary - 1 || headIndex == boundary) - { leftSide = dir < 0; } - else - { leftSide = dir > 0; } - } - - var usePart = order[boundary + (leftSide ? -1 : 0)]; - var from = leftSide == (usePart.level == 1); - var ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before"; - return anchor.ch == ch && anchor.sticky == sticky ? range$$1 : new Range(new Pos(anchor.line, ch, sticky), head) -} - - -// Determines whether an event happened in the gutter, and fires the -// handlers for the corresponding event. -function gutterEvent(cm, e, type, prevent) { - var mX, mY; - if (e.touches) { - mX = e.touches[0].clientX; - mY = e.touches[0].clientY; - } else { - try { mX = e.clientX; mY = e.clientY; } - catch(e) { return false } - } - if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false } - if (prevent) { e_preventDefault(e); } - - var display = cm.display; - var lineBox = display.lineDiv.getBoundingClientRect(); - - if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) } - mY -= lineBox.top - display.viewOffset; - - for (var i = 0; i < cm.options.gutters.length; ++i) { - var g = display.gutters.childNodes[i]; - if (g && g.getBoundingClientRect().right >= mX) { - var line = lineAtHeight(cm.doc, mY); - var gutter = cm.options.gutters[i]; - signal(cm, type, cm, line, gutter, e); - return e_defaultPrevented(e) - } - } -} - -function clickInGutter(cm, e) { - return gutterEvent(cm, e, "gutterClick", true) -} - -// CONTEXT MENU HANDLING - -// To make the context menu work, we need to briefly unhide the -// textarea (making it as unobtrusive as possible) to let the -// right-click take effect on it. -function onContextMenu(cm, e) { - if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return } - if (signalDOMEvent(cm, e, "contextmenu")) { return } - cm.display.input.onContextMenu(e); -} - -function contextMenuInGutter(cm, e) { - if (!hasHandler(cm, "gutterContextMenu")) { return false } - return gutterEvent(cm, e, "gutterContextMenu", false) -} - -function themeChanged(cm) { - cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + - cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); - clearCaches(cm); -} - -var Init = {toString: function(){return "CodeMirror.Init"}}; - -var defaults = {}; -var optionHandlers = {}; - -function defineOptions(CodeMirror) { - var optionHandlers = CodeMirror.optionHandlers; - - function option(name, deflt, handle, notOnInit) { - CodeMirror.defaults[name] = deflt; - if (handle) { optionHandlers[name] = - notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; } - } - - CodeMirror.defineOption = option; - - // Passed to option handlers when there is no old value. - CodeMirror.Init = Init; - - // These two are, on init, called from the constructor because they - // have to be initialized before the editor can start at all. - option("value", "", function (cm, val) { return cm.setValue(val); }, true); - option("mode", null, function (cm, val) { - cm.doc.modeOption = val; - loadMode(cm); - }, true); - - option("indentUnit", 2, loadMode, true); - option("indentWithTabs", false); - option("smartIndent", true); - option("tabSize", 4, function (cm) { - resetModeState(cm); - clearCaches(cm); - regChange(cm); - }, true); - - option("lineSeparator", null, function (cm, val) { - cm.doc.lineSep = val; - if (!val) { return } - var newBreaks = [], lineNo = cm.doc.first; - cm.doc.iter(function (line) { - for (var pos = 0;;) { - var found = line.text.indexOf(val, pos); - if (found == -1) { break } - pos = found + val.length; - newBreaks.push(Pos(lineNo, found)); + function extend(e) { + var curCount = ++counter; + var cur = posFromMouse(cm, e, true, behavior.unit == "rectangle"); + if (!cur) { return } + if (cmp(cur, lastPos) != 0) { + cm.curOp.focus = activeElt(); + extendTo(cur); + var visible = visibleLines(display, doc); + if (cur.line >= visible.to || cur.line < visible.from) + { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); } + } else { + var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0; + if (outside) { setTimeout(operation(cm, function () { + if (counter != curCount) { return } + display.scroller.scrollTop += outside; + extend(e); + }), 50); } } - lineNo++; + } + + function done(e) { + cm.state.selectingText = false; + counter = Infinity; + e_preventDefault(e); + display.input.focus(); + off(display.wrapper.ownerDocument, "mousemove", move); + off(display.wrapper.ownerDocument, "mouseup", up); + doc.history.lastSelOrigin = null; + } + + var move = operation(cm, function (e) { + if (e.buttons === 0 || !e_button(e)) { done(e); } + else { extend(e); } }); - for (var i = newBreaks.length - 1; i >= 0; i--) - { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); } - }); - option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff]/g, function (cm, val, old) { - cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); - if (old != Init) { cm.refresh(); } - }); - option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true); - option("electricChars", true); - option("inputStyle", mobile ? "contenteditable" : "textarea", function () { - throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME - }, true); - option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true); - option("rtlMoveVisually", !windows); - option("wholeLineUpdateBefore", true); + var up = operation(cm, done); + cm.state.selectingText = up; + on(display.wrapper.ownerDocument, "mousemove", move); + on(display.wrapper.ownerDocument, "mouseup", up); + } - option("theme", "default", function (cm) { - themeChanged(cm); - guttersChanged(cm); - }, true); - option("keyMap", "default", function (cm, val, old) { - var next = getKeyMap(val); - var prev = old != Init && getKeyMap(old); - if (prev && prev.detach) { prev.detach(cm, next); } - if (next.attach) { next.attach(cm, prev || null); } - }); - option("extraKeys", null); - option("configureMouse", null); + // Used when mouse-selecting to adjust the anchor to the proper side + // of a bidi jump depending on the visual position of the head. + function bidiSimplify(cm, range$$1) { + var anchor = range$$1.anchor; + var head = range$$1.head; + var anchorLine = getLine(cm.doc, anchor.line); + if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range$$1 } + var order = getOrder(anchorLine); + if (!order) { return range$$1 } + var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index]; + if (part.from != anchor.ch && part.to != anchor.ch) { return range$$1 } + var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1); + if (boundary == 0 || boundary == order.length) { return range$$1 } - option("lineWrapping", false, wrappingChanged, true); - option("gutters", [], function (cm) { - setGuttersForLineNumbers(cm.options); - guttersChanged(cm); - }, true); - option("fixedGutter", true, function (cm, val) { - cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"; - cm.refresh(); - }, true); - option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true); - option("scrollbarStyle", "native", function (cm) { - initScrollbars(cm); - updateScrollbars(cm); - cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); - cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); - }, true); - option("lineNumbers", false, function (cm) { - setGuttersForLineNumbers(cm.options); - guttersChanged(cm); - }, true); - option("firstLineNumber", 1, guttersChanged, true); - option("lineNumberFormatter", function (integer) { return integer; }, guttersChanged, true); - option("showCursorWhenSelecting", false, updateSelection, true); - - option("resetSelectionOnContextMenu", true); - option("lineWiseCopyCut", true); - option("pasteLinesPerSelection", true); - - option("readOnly", false, function (cm, val) { - if (val == "nocursor") { - onBlur(cm); - cm.display.input.blur(); + // Compute the relative visual position of the head compared to the + // anchor (<0 is to the left, >0 to the right) + var leftSide; + if (head.line != anchor.line) { + leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0; + } else { + var headIndex = getBidiPartAt(order, head.ch, head.sticky); + var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1); + if (headIndex == boundary - 1 || headIndex == boundary) + { leftSide = dir < 0; } + else + { leftSide = dir > 0; } } - cm.display.input.readOnlyChanged(val); - }); - option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true); - option("dragDrop", true, dragDropChanged); - option("allowDropFileTypes", null); - option("cursorBlinkRate", 530); - option("cursorScrollMargin", 0); - option("cursorHeight", 1, updateSelection, true); - option("singleCursorHeightPerLine", true, updateSelection, true); - option("workTime", 100); - option("workDelay", 100); - option("flattenSpans", true, resetModeState, true); - option("addModeClass", false, resetModeState, true); - option("pollInterval", 100); - option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; }); - option("historyEventDelay", 1250); - option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true); - option("maxHighlightLength", 10000, resetModeState, true); - option("moveInputWithCursor", true, function (cm, val) { - if (!val) { cm.display.input.resetPosition(); } - }); - - option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; }); - option("autofocus", null); - option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true); - option("phrases", null); -} - -function guttersChanged(cm) { - updateGutters(cm); - regChange(cm); - alignHorizontally(cm); -} - -function dragDropChanged(cm, value, old) { - var wasOn = old && old != Init; - if (!value != !wasOn) { - var funcs = cm.display.dragFunctions; - var toggle = value ? on : off; - toggle(cm.display.scroller, "dragstart", funcs.start); - toggle(cm.display.scroller, "dragenter", funcs.enter); - toggle(cm.display.scroller, "dragover", funcs.over); - toggle(cm.display.scroller, "dragleave", funcs.leave); - toggle(cm.display.scroller, "drop", funcs.drop); + var usePart = order[boundary + (leftSide ? -1 : 0)]; + var from = leftSide == (usePart.level == 1); + var ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before"; + return anchor.ch == ch && anchor.sticky == sticky ? range$$1 : new Range(new Pos(anchor.line, ch, sticky), head) } -} -function wrappingChanged(cm) { - if (cm.options.lineWrapping) { - addClass(cm.display.wrapper, "CodeMirror-wrap"); - cm.display.sizer.style.minWidth = ""; - cm.display.sizerWidth = null; - } else { - rmClass(cm.display.wrapper, "CodeMirror-wrap"); - findMaxLine(cm); - } - estimateLineHeights(cm); - regChange(cm); - clearCaches(cm); - setTimeout(function () { return updateScrollbars(cm); }, 100); -} -// A CodeMirror instance represents an editor. This is the object -// that user code is usually dealing with. - -function CodeMirror(place, options) { - var this$1 = this; - - if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) } - - this.options = options = options ? copyObj(options) : {}; - // Determine effective options based on given values and defaults. - copyObj(defaults, options, false); - setGuttersForLineNumbers(options); - - var doc = options.value; - if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); } - else if (options.mode) { doc.modeOption = options.mode; } - this.doc = doc; - - var input = new CodeMirror.inputStyles[options.inputStyle](this); - var display = this.display = new Display(place, doc, input); - display.wrapper.CodeMirror = this; - updateGutters(this); - themeChanged(this); - if (options.lineWrapping) - { this.display.wrapper.className += " CodeMirror-wrap"; } - initScrollbars(this); - - this.state = { - keyMaps: [], // stores maps added by addKeyMap - overlays: [], // highlighting overlays, as added by addOverlay - modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info - overwrite: false, - delayingBlurEvent: false, - focused: false, - suppressEdits: false, // used to disable editing during key handlers when in readOnly mode - pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll - selectingText: false, - draggingText: false, - highlight: new Delayed(), // stores highlight worker timeout - keySeq: null, // Unfinished key sequence - specialChars: null - }; - - if (options.autofocus && !mobile) { display.input.focus(); } - - // Override magic textarea content restore that IE sometimes does - // on our hidden textarea on reload - if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); } - - registerEventHandlers(this); - ensureGlobalHandlers(); - - startOperation(this); - this.curOp.forceUpdate = true; - attachDoc(this, doc); - - if ((options.autofocus && !mobile) || this.hasFocus()) - { setTimeout(bind(onFocus, this), 20); } - else - { onBlur(this); } - - for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt)) - { optionHandlers[opt](this$1, options[opt], Init); } } - maybeUpdateLineNumberWidth(this); - if (options.finishInit) { options.finishInit(this); } - for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this$1); } - endOperation(this); - // Suppress optimizelegibility in Webkit, since it breaks text - // measuring on line wrapping boundaries. - if (webkit && options.lineWrapping && - getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") - { display.lineDiv.style.textRendering = "auto"; } -} - -// The default configuration options. -CodeMirror.defaults = defaults; -// Functions to run when options are changed. -CodeMirror.optionHandlers = optionHandlers; - -// Attach the necessary event handlers when initializing the editor -function registerEventHandlers(cm) { - var d = cm.display; - on(d.scroller, "mousedown", operation(cm, onMouseDown)); - // Older IE's will not fire a second mousedown for a double click - if (ie && ie_version < 11) - { on(d.scroller, "dblclick", operation(cm, function (e) { - if (signalDOMEvent(cm, e)) { return } - var pos = posFromMouse(cm, e); - if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return } - e_preventDefault(e); - var word = cm.findWordAt(pos); - extendSelection(cm.doc, word.anchor, word.head); - })); } - else - { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); } - // Some browsers fire contextmenu *after* opening the menu, at - // which point we can't mess with it anymore. Context menu is - // handled in onMouseDown for these browsers. - if (!captureRightClick) { on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); }); } - - // Used to suppress mouse event handling when a touch happens - var touchFinished, prevTouch = {end: 0}; - function finishTouch() { - if (d.activeTouch) { - touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000); - prevTouch = d.activeTouch; - prevTouch.end = +new Date; + // Determines whether an event happened in the gutter, and fires the + // handlers for the corresponding event. + function gutterEvent(cm, e, type, prevent) { + var mX, mY; + if (e.touches) { + mX = e.touches[0].clientX; + mY = e.touches[0].clientY; + } else { + try { mX = e.clientX; mY = e.clientY; } + catch(e) { return false } } - } - function isMouseLikeTouchEvent(e) { - if (e.touches.length != 1) { return false } - var touch = e.touches[0]; - return touch.radiusX <= 1 && touch.radiusY <= 1 - } - function farAway(touch, other) { - if (other.left == null) { return true } - var dx = other.left - touch.left, dy = other.top - touch.top; - return dx * dx + dy * dy > 20 * 20 - } - on(d.scroller, "touchstart", function (e) { - if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) { - d.input.ensurePolled(); - clearTimeout(touchFinished); - var now = +new Date; - d.activeTouch = {start: now, moved: false, - prev: now - prevTouch.end <= 300 ? prevTouch : null}; - if (e.touches.length == 1) { - d.activeTouch.left = e.touches[0].pageX; - d.activeTouch.top = e.touches[0].pageY; - } - } - }); - on(d.scroller, "touchmove", function () { - if (d.activeTouch) { d.activeTouch.moved = true; } - }); - on(d.scroller, "touchend", function (e) { - var touch = d.activeTouch; - if (touch && !eventInWidget(d, e) && touch.left != null && - !touch.moved && new Date - touch.start < 300) { - var pos = cm.coordsChar(d.activeTouch, "page"), range; - if (!touch.prev || farAway(touch, touch.prev)) // Single tap - { range = new Range(pos, pos); } - else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap - { range = cm.findWordAt(pos); } - else // Triple tap - { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); } - cm.setSelection(range.anchor, range.head); - cm.focus(); - e_preventDefault(e); - } - finishTouch(); - }); - on(d.scroller, "touchcancel", finishTouch); + if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false } + if (prevent) { e_preventDefault(e); } - // Sync scrolling between fake scrollbars and real scrollable - // area, ensure viewport is updated when scrolling. - on(d.scroller, "scroll", function () { - if (d.scroller.clientHeight) { - updateScrollTop(cm, d.scroller.scrollTop); - setScrollLeft(cm, d.scroller.scrollLeft, true); - signal(cm, "scroll", cm); - } - }); + var display = cm.display; + var lineBox = display.lineDiv.getBoundingClientRect(); - // Listen to wheel events in order to try and update the viewport on time. - on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); }); - on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); }); + if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) } + mY -= lineBox.top - display.viewOffset; - // Prevent wrapper from ever scrolling - on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }); - - d.dragFunctions = { - enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }}, - over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }}, - start: function (e) { return onDragStart(cm, e); }, - drop: operation(cm, onDrop), - leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }} - }; - - var inp = d.input.getField(); - on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); }); - on(inp, "keydown", operation(cm, onKeyDown)); - on(inp, "keypress", operation(cm, onKeyPress)); - on(inp, "focus", function (e) { return onFocus(cm, e); }); - on(inp, "blur", function (e) { return onBlur(cm, e); }); -} - -var initHooks = []; -CodeMirror.defineInitHook = function (f) { return initHooks.push(f); }; - -// Indent the given line. The how parameter can be "smart", -// "add"/null, "subtract", or "prev". When aggressive is false -// (typically set to true for forced single-line indents), empty -// lines are not indented, and places where the mode returns Pass -// are left alone. -function indentLine(cm, n, how, aggressive) { - var doc = cm.doc, state; - if (how == null) { how = "add"; } - if (how == "smart") { - // Fall back to "prev" when the mode doesn't have an indentation - // method. - if (!doc.mode.indent) { how = "prev"; } - else { state = getContextBefore(cm, n).state; } - } - - var tabSize = cm.options.tabSize; - var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize); - if (line.stateAfter) { line.stateAfter = null; } - var curSpaceString = line.text.match(/^\s*/)[0], indentation; - if (!aggressive && !/\S/.test(line.text)) { - indentation = 0; - how = "not"; - } else if (how == "smart") { - indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text); - if (indentation == Pass || indentation > 150) { - if (!aggressive) { return } - how = "prev"; - } - } - if (how == "prev") { - if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); } - else { indentation = 0; } - } else if (how == "add") { - indentation = curSpace + cm.options.indentUnit; - } else if (how == "subtract") { - indentation = curSpace - cm.options.indentUnit; - } else if (typeof how == "number") { - indentation = curSpace + how; - } - indentation = Math.max(0, indentation); - - var indentString = "", pos = 0; - if (cm.options.indentWithTabs) - { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} } - if (pos < indentation) { indentString += spaceStr(indentation - pos); } - - if (indentString != curSpaceString) { - replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input"); - line.stateAfter = null; - return true - } else { - // Ensure that, if the cursor was in the whitespace at the start - // of the line, it is moved to the end of that space. - for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) { - var range = doc.sel.ranges[i$1]; - if (range.head.line == n && range.head.ch < curSpaceString.length) { - var pos$1 = Pos(n, curSpaceString.length); - replaceOneSelection(doc, i$1, new Range(pos$1, pos$1)); - break + for (var i = 0; i < cm.options.gutters.length; ++i) { + var g = display.gutters.childNodes[i]; + if (g && g.getBoundingClientRect().right >= mX) { + var line = lineAtHeight(cm.doc, mY); + var gutter = cm.options.gutters[i]; + signal(cm, type, cm, line, gutter, e); + return e_defaultPrevented(e) } } } -} -// This will be set to a {lineWise: bool, text: [string]} object, so -// that, when pasting, we know what kind of selections the copied -// text was made out of. -var lastCopied = null; + function clickInGutter(cm, e) { + return gutterEvent(cm, e, "gutterClick", true) + } -function setLastCopied(newLastCopied) { - lastCopied = newLastCopied; -} + // CONTEXT MENU HANDLING -function applyTextInput(cm, inserted, deleted, sel, origin) { - var doc = cm.doc; - cm.display.shift = false; - if (!sel) { sel = doc.sel; } + // To make the context menu work, we need to briefly unhide the + // textarea (making it as unobtrusive as possible) to let the + // right-click take effect on it. + function onContextMenu(cm, e) { + if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return } + if (signalDOMEvent(cm, e, "contextmenu")) { return } + if (!captureRightClick) { cm.display.input.onContextMenu(e); } + } - var paste = cm.state.pasteIncoming || origin == "paste"; - var textLines = splitLinesAuto(inserted), multiPaste = null; - // When pasting N lines into N selections, insert one line per selection - if (paste && sel.ranges.length > 1) { - if (lastCopied && lastCopied.text.join("\n") == inserted) { - if (sel.ranges.length % lastCopied.text.length == 0) { - multiPaste = []; - for (var i = 0; i < lastCopied.text.length; i++) - { multiPaste.push(doc.splitLines(lastCopied.text[i])); } + function contextMenuInGutter(cm, e) { + if (!hasHandler(cm, "gutterContextMenu")) { return false } + return gutterEvent(cm, e, "gutterContextMenu", false) + } + + function themeChanged(cm) { + cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + + cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); + clearCaches(cm); + } + + var Init = {toString: function(){return "CodeMirror.Init"}}; + + var defaults = {}; + var optionHandlers = {}; + + function defineOptions(CodeMirror) { + var optionHandlers = CodeMirror.optionHandlers; + + function option(name, deflt, handle, notOnInit) { + CodeMirror.defaults[name] = deflt; + if (handle) { optionHandlers[name] = + notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; } + } + + CodeMirror.defineOption = option; + + // Passed to option handlers when there is no old value. + CodeMirror.Init = Init; + + // These two are, on init, called from the constructor because they + // have to be initialized before the editor can start at all. + option("value", "", function (cm, val) { return cm.setValue(val); }, true); + option("mode", null, function (cm, val) { + cm.doc.modeOption = val; + loadMode(cm); + }, true); + + option("indentUnit", 2, loadMode, true); + option("indentWithTabs", false); + option("smartIndent", true); + option("tabSize", 4, function (cm) { + resetModeState(cm); + clearCaches(cm); + regChange(cm); + }, true); + + option("lineSeparator", null, function (cm, val) { + cm.doc.lineSep = val; + if (!val) { return } + var newBreaks = [], lineNo = cm.doc.first; + cm.doc.iter(function (line) { + for (var pos = 0;;) { + var found = line.text.indexOf(val, pos); + if (found == -1) { break } + pos = found + val.length; + newBreaks.push(Pos(lineNo, found)); + } + lineNo++; + }); + for (var i = newBreaks.length - 1; i >= 0; i--) + { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); } + }); + option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff]/g, function (cm, val, old) { + cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); + if (old != Init) { cm.refresh(); } + }); + option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true); + option("electricChars", true); + option("inputStyle", mobile ? "contenteditable" : "textarea", function () { + throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME + }, true); + option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true); + option("rtlMoveVisually", !windows); + option("wholeLineUpdateBefore", true); + + option("theme", "default", function (cm) { + themeChanged(cm); + guttersChanged(cm); + }, true); + option("keyMap", "default", function (cm, val, old) { + var next = getKeyMap(val); + var prev = old != Init && getKeyMap(old); + if (prev && prev.detach) { prev.detach(cm, next); } + if (next.attach) { next.attach(cm, prev || null); } + }); + option("extraKeys", null); + option("configureMouse", null); + + option("lineWrapping", false, wrappingChanged, true); + option("gutters", [], function (cm) { + setGuttersForLineNumbers(cm.options); + guttersChanged(cm); + }, true); + option("fixedGutter", true, function (cm, val) { + cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"; + cm.refresh(); + }, true); + option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true); + option("scrollbarStyle", "native", function (cm) { + initScrollbars(cm); + updateScrollbars(cm); + cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); + cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); + }, true); + option("lineNumbers", false, function (cm) { + setGuttersForLineNumbers(cm.options); + guttersChanged(cm); + }, true); + option("firstLineNumber", 1, guttersChanged, true); + option("lineNumberFormatter", function (integer) { return integer; }, guttersChanged, true); + option("showCursorWhenSelecting", false, updateSelection, true); + + option("resetSelectionOnContextMenu", true); + option("lineWiseCopyCut", true); + option("pasteLinesPerSelection", true); + option("selectionsMayTouch", false); + + option("readOnly", false, function (cm, val) { + if (val == "nocursor") { + onBlur(cm); + cm.display.input.blur(); } - } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) { - multiPaste = map(textLines, function (l) { return [l]; }); + cm.display.input.readOnlyChanged(val); + }); + option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true); + option("dragDrop", true, dragDropChanged); + option("allowDropFileTypes", null); + + option("cursorBlinkRate", 530); + option("cursorScrollMargin", 0); + option("cursorHeight", 1, updateSelection, true); + option("singleCursorHeightPerLine", true, updateSelection, true); + option("workTime", 100); + option("workDelay", 100); + option("flattenSpans", true, resetModeState, true); + option("addModeClass", false, resetModeState, true); + option("pollInterval", 100); + option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; }); + option("historyEventDelay", 1250); + option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true); + option("maxHighlightLength", 10000, resetModeState, true); + option("moveInputWithCursor", true, function (cm, val) { + if (!val) { cm.display.input.resetPosition(); } + }); + + option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; }); + option("autofocus", null); + option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true); + option("phrases", null); + } + + function guttersChanged(cm) { + updateGutters(cm); + regChange(cm); + alignHorizontally(cm); + } + + function dragDropChanged(cm, value, old) { + var wasOn = old && old != Init; + if (!value != !wasOn) { + var funcs = cm.display.dragFunctions; + var toggle = value ? on : off; + toggle(cm.display.scroller, "dragstart", funcs.start); + toggle(cm.display.scroller, "dragenter", funcs.enter); + toggle(cm.display.scroller, "dragover", funcs.over); + toggle(cm.display.scroller, "dragleave", funcs.leave); + toggle(cm.display.scroller, "drop", funcs.drop); } } - var updateInput; - // Normal behavior is to insert the new text into every selection - for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) { - var range$$1 = sel.ranges[i$1]; - var from = range$$1.from(), to = range$$1.to(); - if (range$$1.empty()) { - if (deleted && deleted > 0) // Handle deletion - { from = Pos(from.line, from.ch - deleted); } - else if (cm.state.overwrite && !paste) // Handle overwrite - { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); } - else if (lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted) - { from = to = Pos(from.line, 0); } + function wrappingChanged(cm) { + if (cm.options.lineWrapping) { + addClass(cm.display.wrapper, "CodeMirror-wrap"); + cm.display.sizer.style.minWidth = ""; + cm.display.sizerWidth = null; + } else { + rmClass(cm.display.wrapper, "CodeMirror-wrap"); + findMaxLine(cm); } - updateInput = cm.curOp.updateInput; - var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines, - origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")}; - makeChange(cm.doc, changeEvent); - signalLater(cm, "inputRead", cm, changeEvent); + estimateLineHeights(cm); + regChange(cm); + clearCaches(cm); + setTimeout(function () { return updateScrollbars(cm); }, 100); } - if (inserted && !paste) - { triggerElectric(cm, inserted); } - ensureCursorVisible(cm); - cm.curOp.updateInput = updateInput; - cm.curOp.typing = true; - cm.state.pasteIncoming = cm.state.cutIncoming = false; -} + // A CodeMirror instance represents an editor. This is the object + // that user code is usually dealing with. -function handlePaste(e, cm) { - var pasted = e.clipboardData && e.clipboardData.getData("Text"); - if (pasted) { - e.preventDefault(); - if (!cm.isReadOnly() && !cm.options.disableInput) - { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }); } - return true + function CodeMirror(place, options) { + var this$1 = this; + + if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) } + + this.options = options = options ? copyObj(options) : {}; + // Determine effective options based on given values and defaults. + copyObj(defaults, options, false); + setGuttersForLineNumbers(options); + + var doc = options.value; + if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); } + else if (options.mode) { doc.modeOption = options.mode; } + this.doc = doc; + + var input = new CodeMirror.inputStyles[options.inputStyle](this); + var display = this.display = new Display(place, doc, input); + display.wrapper.CodeMirror = this; + updateGutters(this); + themeChanged(this); + if (options.lineWrapping) + { this.display.wrapper.className += " CodeMirror-wrap"; } + initScrollbars(this); + + this.state = { + keyMaps: [], // stores maps added by addKeyMap + overlays: [], // highlighting overlays, as added by addOverlay + modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info + overwrite: false, + delayingBlurEvent: false, + focused: false, + suppressEdits: false, // used to disable editing during key handlers when in readOnly mode + pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll + selectingText: false, + draggingText: false, + highlight: new Delayed(), // stores highlight worker timeout + keySeq: null, // Unfinished key sequence + specialChars: null + }; + + if (options.autofocus && !mobile) { display.input.focus(); } + + // Override magic textarea content restore that IE sometimes does + // on our hidden textarea on reload + if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); } + + registerEventHandlers(this); + ensureGlobalHandlers(); + + startOperation(this); + this.curOp.forceUpdate = true; + attachDoc(this, doc); + + if ((options.autofocus && !mobile) || this.hasFocus()) + { setTimeout(bind(onFocus, this), 20); } + else + { onBlur(this); } + + for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt)) + { optionHandlers[opt](this$1, options[opt], Init); } } + maybeUpdateLineNumberWidth(this); + if (options.finishInit) { options.finishInit(this); } + for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this$1); } + endOperation(this); + // Suppress optimizelegibility in Webkit, since it breaks text + // measuring on line wrapping boundaries. + if (webkit && options.lineWrapping && + getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") + { display.lineDiv.style.textRendering = "auto"; } } -} -function triggerElectric(cm, inserted) { - // When an 'electric' character is inserted, immediately trigger a reindent - if (!cm.options.electricChars || !cm.options.smartIndent) { return } - var sel = cm.doc.sel; + // The default configuration options. + CodeMirror.defaults = defaults; + // Functions to run when options are changed. + CodeMirror.optionHandlers = optionHandlers; - for (var i = sel.ranges.length - 1; i >= 0; i--) { - var range$$1 = sel.ranges[i]; - if (range$$1.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range$$1.head.line)) { continue } - var mode = cm.getModeAt(range$$1.head); - var indented = false; - if (mode.electricChars) { - for (var j = 0; j < mode.electricChars.length; j++) - { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { - indented = indentLine(cm, range$$1.head.line, "smart"); + // Attach the necessary event handlers when initializing the editor + function registerEventHandlers(cm) { + var d = cm.display; + on(d.scroller, "mousedown", operation(cm, onMouseDown)); + // Older IE's will not fire a second mousedown for a double click + if (ie && ie_version < 11) + { on(d.scroller, "dblclick", operation(cm, function (e) { + if (signalDOMEvent(cm, e)) { return } + var pos = posFromMouse(cm, e); + if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return } + e_preventDefault(e); + var word = cm.findWordAt(pos); + extendSelection(cm.doc, word.anchor, word.head); + })); } + else + { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); } + // Some browsers fire contextmenu *after* opening the menu, at + // which point we can't mess with it anymore. Context menu is + // handled in onMouseDown for these browsers. + on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); }); + + // Used to suppress mouse event handling when a touch happens + var touchFinished, prevTouch = {end: 0}; + function finishTouch() { + if (d.activeTouch) { + touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000); + prevTouch = d.activeTouch; + prevTouch.end = +new Date; + } + } + function isMouseLikeTouchEvent(e) { + if (e.touches.length != 1) { return false } + var touch = e.touches[0]; + return touch.radiusX <= 1 && touch.radiusY <= 1 + } + function farAway(touch, other) { + if (other.left == null) { return true } + var dx = other.left - touch.left, dy = other.top - touch.top; + return dx * dx + dy * dy > 20 * 20 + } + on(d.scroller, "touchstart", function (e) { + if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) { + d.input.ensurePolled(); + clearTimeout(touchFinished); + var now = +new Date; + d.activeTouch = {start: now, moved: false, + prev: now - prevTouch.end <= 300 ? prevTouch : null}; + if (e.touches.length == 1) { + d.activeTouch.left = e.touches[0].pageX; + d.activeTouch.top = e.touches[0].pageY; + } + } + }); + on(d.scroller, "touchmove", function () { + if (d.activeTouch) { d.activeTouch.moved = true; } + }); + on(d.scroller, "touchend", function (e) { + var touch = d.activeTouch; + if (touch && !eventInWidget(d, e) && touch.left != null && + !touch.moved && new Date - touch.start < 300) { + var pos = cm.coordsChar(d.activeTouch, "page"), range; + if (!touch.prev || farAway(touch, touch.prev)) // Single tap + { range = new Range(pos, pos); } + else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap + { range = cm.findWordAt(pos); } + else // Triple tap + { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); } + cm.setSelection(range.anchor, range.head); + cm.focus(); + e_preventDefault(e); + } + finishTouch(); + }); + on(d.scroller, "touchcancel", finishTouch); + + // Sync scrolling between fake scrollbars and real scrollable + // area, ensure viewport is updated when scrolling. + on(d.scroller, "scroll", function () { + if (d.scroller.clientHeight) { + updateScrollTop(cm, d.scroller.scrollTop); + setScrollLeft(cm, d.scroller.scrollLeft, true); + signal(cm, "scroll", cm); + } + }); + + // Listen to wheel events in order to try and update the viewport on time. + on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); }); + on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); }); + + // Prevent wrapper from ever scrolling + on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }); + + d.dragFunctions = { + enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }}, + over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }}, + start: function (e) { return onDragStart(cm, e); }, + drop: operation(cm, onDrop), + leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }} + }; + + var inp = d.input.getField(); + on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); }); + on(inp, "keydown", operation(cm, onKeyDown)); + on(inp, "keypress", operation(cm, onKeyPress)); + on(inp, "focus", function (e) { return onFocus(cm, e); }); + on(inp, "blur", function (e) { return onBlur(cm, e); }); + } + + var initHooks = []; + CodeMirror.defineInitHook = function (f) { return initHooks.push(f); }; + + // Indent the given line. The how parameter can be "smart", + // "add"/null, "subtract", or "prev". When aggressive is false + // (typically set to true for forced single-line indents), empty + // lines are not indented, and places where the mode returns Pass + // are left alone. + function indentLine(cm, n, how, aggressive) { + var doc = cm.doc, state; + if (how == null) { how = "add"; } + if (how == "smart") { + // Fall back to "prev" when the mode doesn't have an indentation + // method. + if (!doc.mode.indent) { how = "prev"; } + else { state = getContextBefore(cm, n).state; } + } + + var tabSize = cm.options.tabSize; + var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize); + if (line.stateAfter) { line.stateAfter = null; } + var curSpaceString = line.text.match(/^\s*/)[0], indentation; + if (!aggressive && !/\S/.test(line.text)) { + indentation = 0; + how = "not"; + } else if (how == "smart") { + indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text); + if (indentation == Pass || indentation > 150) { + if (!aggressive) { return } + how = "prev"; + } + } + if (how == "prev") { + if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); } + else { indentation = 0; } + } else if (how == "add") { + indentation = curSpace + cm.options.indentUnit; + } else if (how == "subtract") { + indentation = curSpace - cm.options.indentUnit; + } else if (typeof how == "number") { + indentation = curSpace + how; + } + indentation = Math.max(0, indentation); + + var indentString = "", pos = 0; + if (cm.options.indentWithTabs) + { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} } + if (pos < indentation) { indentString += spaceStr(indentation - pos); } + + if (indentString != curSpaceString) { + replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input"); + line.stateAfter = null; + return true + } else { + // Ensure that, if the cursor was in the whitespace at the start + // of the line, it is moved to the end of that space. + for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) { + var range = doc.sel.ranges[i$1]; + if (range.head.line == n && range.head.ch < curSpaceString.length) { + var pos$1 = Pos(n, curSpaceString.length); + replaceOneSelection(doc, i$1, new Range(pos$1, pos$1)); break - } } - } else if (mode.electricInput) { - if (mode.electricInput.test(getLine(cm.doc, range$$1.head.line).text.slice(0, range$$1.head.ch))) - { indented = indentLine(cm, range$$1.head.line, "smart"); } + } + } } - if (indented) { signalLater(cm, "electricInput", cm, range$$1.head.line); } } -} -function copyableRanges(cm) { - var text = [], ranges = []; - for (var i = 0; i < cm.doc.sel.ranges.length; i++) { - var line = cm.doc.sel.ranges[i].head.line; - var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}; - ranges.push(lineRange); - text.push(cm.getRange(lineRange.anchor, lineRange.head)); + // This will be set to a {lineWise: bool, text: [string]} object, so + // that, when pasting, we know what kind of selections the copied + // text was made out of. + var lastCopied = null; + + function setLastCopied(newLastCopied) { + lastCopied = newLastCopied; } - return {text: text, ranges: ranges} -} -function disableBrowserMagic(field, spellcheck) { - field.setAttribute("autocorrect", "off"); - field.setAttribute("autocapitalize", "off"); - field.setAttribute("spellcheck", !!spellcheck); -} + function applyTextInput(cm, inserted, deleted, sel, origin) { + var doc = cm.doc; + cm.display.shift = false; + if (!sel) { sel = doc.sel; } -function hiddenTextarea() { - var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none"); - var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); - // The textarea is kept positioned near the cursor to prevent the - // fact that it'll be scrolled into view on input from scrolling - // our fake cursor out of view. On webkit, when wrap=off, paste is - // very slow. So make the area wide instead. - if (webkit) { te.style.width = "1000px"; } - else { te.setAttribute("wrap", "off"); } - // If border: 0; -- iOS fails to open keyboard (issue #1287) - if (ios) { te.style.border = "1px solid black"; } - disableBrowserMagic(te); - return div -} + var paste = cm.state.pasteIncoming || origin == "paste"; + var textLines = splitLinesAuto(inserted), multiPaste = null; + // When pasting N lines into N selections, insert one line per selection + if (paste && sel.ranges.length > 1) { + if (lastCopied && lastCopied.text.join("\n") == inserted) { + if (sel.ranges.length % lastCopied.text.length == 0) { + multiPaste = []; + for (var i = 0; i < lastCopied.text.length; i++) + { multiPaste.push(doc.splitLines(lastCopied.text[i])); } + } + } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) { + multiPaste = map(textLines, function (l) { return [l]; }); + } + } -// The publicly visible API. Note that methodOp(f) means -// 'wrap f in an operation, performed on its `this` parameter'. + var updateInput; + // Normal behavior is to insert the new text into every selection + for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) { + var range$$1 = sel.ranges[i$1]; + var from = range$$1.from(), to = range$$1.to(); + if (range$$1.empty()) { + if (deleted && deleted > 0) // Handle deletion + { from = Pos(from.line, from.ch - deleted); } + else if (cm.state.overwrite && !paste) // Handle overwrite + { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); } + else if (paste && lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted) + { from = to = Pos(from.line, 0); } + } + updateInput = cm.curOp.updateInput; + var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines, + origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")}; + makeChange(cm.doc, changeEvent); + signalLater(cm, "inputRead", cm, changeEvent); + } + if (inserted && !paste) + { triggerElectric(cm, inserted); } -// This is not the complete set of editor methods. Most of the -// methods defined on the Doc type are also injected into -// CodeMirror.prototype, for backwards compatibility and -// convenience. + ensureCursorVisible(cm); + cm.curOp.updateInput = updateInput; + cm.curOp.typing = true; + cm.state.pasteIncoming = cm.state.cutIncoming = false; + } -var addEditorMethods = function(CodeMirror) { - var optionHandlers = CodeMirror.optionHandlers; + function handlePaste(e, cm) { + var pasted = e.clipboardData && e.clipboardData.getData("Text"); + if (pasted) { + e.preventDefault(); + if (!cm.isReadOnly() && !cm.options.disableInput) + { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }); } + return true + } + } - var helpers = CodeMirror.helpers = {}; + function triggerElectric(cm, inserted) { + // When an 'electric' character is inserted, immediately trigger a reindent + if (!cm.options.electricChars || !cm.options.smartIndent) { return } + var sel = cm.doc.sel; - CodeMirror.prototype = { - constructor: CodeMirror, - focus: function(){window.focus(); this.display.input.focus();}, + for (var i = sel.ranges.length - 1; i >= 0; i--) { + var range$$1 = sel.ranges[i]; + if (range$$1.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range$$1.head.line)) { continue } + var mode = cm.getModeAt(range$$1.head); + var indented = false; + if (mode.electricChars) { + for (var j = 0; j < mode.electricChars.length; j++) + { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { + indented = indentLine(cm, range$$1.head.line, "smart"); + break + } } + } else if (mode.electricInput) { + if (mode.electricInput.test(getLine(cm.doc, range$$1.head.line).text.slice(0, range$$1.head.ch))) + { indented = indentLine(cm, range$$1.head.line, "smart"); } + } + if (indented) { signalLater(cm, "electricInput", cm, range$$1.head.line); } + } + } - setOption: function(option, value) { - var options = this.options, old = options[option]; - if (options[option] == value && option != "mode") { return } - options[option] = value; - if (optionHandlers.hasOwnProperty(option)) - { operation(this, optionHandlers[option])(this, value, old); } - signal(this, "optionChange", this, option); - }, + function copyableRanges(cm) { + var text = [], ranges = []; + for (var i = 0; i < cm.doc.sel.ranges.length; i++) { + var line = cm.doc.sel.ranges[i].head.line; + var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}; + ranges.push(lineRange); + text.push(cm.getRange(lineRange.anchor, lineRange.head)); + } + return {text: text, ranges: ranges} + } - getOption: function(option) {return this.options[option]}, - getDoc: function() {return this.doc}, + function disableBrowserMagic(field, spellcheck) { + field.setAttribute("autocorrect", "off"); + field.setAttribute("autocapitalize", "off"); + field.setAttribute("spellcheck", !!spellcheck); + } - addKeyMap: function(map$$1, bottom) { - this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map$$1)); - }, - removeKeyMap: function(map$$1) { - var maps = this.state.keyMaps; - for (var i = 0; i < maps.length; ++i) - { if (maps[i] == map$$1 || maps[i].name == map$$1) { - maps.splice(i, 1); - return true + function hiddenTextarea() { + var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none"); + var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); + // The textarea is kept positioned near the cursor to prevent the + // fact that it'll be scrolled into view on input from scrolling + // our fake cursor out of view. On webkit, when wrap=off, paste is + // very slow. So make the area wide instead. + if (webkit) { te.style.width = "1000px"; } + else { te.setAttribute("wrap", "off"); } + // If border: 0; -- iOS fails to open keyboard (issue #1287) + if (ios) { te.style.border = "1px solid black"; } + disableBrowserMagic(te); + return div + } + + // The publicly visible API. Note that methodOp(f) means + // 'wrap f in an operation, performed on its `this` parameter'. + + // This is not the complete set of editor methods. Most of the + // methods defined on the Doc type are also injected into + // CodeMirror.prototype, for backwards compatibility and + // convenience. + + function addEditorMethods(CodeMirror) { + var optionHandlers = CodeMirror.optionHandlers; + + var helpers = CodeMirror.helpers = {}; + + CodeMirror.prototype = { + constructor: CodeMirror, + focus: function(){window.focus(); this.display.input.focus();}, + + setOption: function(option, value) { + var options = this.options, old = options[option]; + if (options[option] == value && option != "mode") { return } + options[option] = value; + if (optionHandlers.hasOwnProperty(option)) + { operation(this, optionHandlers[option])(this, value, old); } + signal(this, "optionChange", this, option); + }, + + getOption: function(option) {return this.options[option]}, + getDoc: function() {return this.doc}, + + addKeyMap: function(map$$1, bottom) { + this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map$$1)); + }, + removeKeyMap: function(map$$1) { + var maps = this.state.keyMaps; + for (var i = 0; i < maps.length; ++i) + { if (maps[i] == map$$1 || maps[i].name == map$$1) { + maps.splice(i, 1); + return true + } } + }, + + addOverlay: methodOp(function(spec, options) { + var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec); + if (mode.startState) { throw new Error("Overlays may not be stateful.") } + insertSorted(this.state.overlays, + {mode: mode, modeSpec: spec, opaque: options && options.opaque, + priority: (options && options.priority) || 0}, + function (overlay) { return overlay.priority; }); + this.state.modeGen++; + regChange(this); + }), + removeOverlay: methodOp(function(spec) { + var this$1 = this; + + var overlays = this.state.overlays; + for (var i = 0; i < overlays.length; ++i) { + var cur = overlays[i].modeSpec; + if (cur == spec || typeof spec == "string" && cur.name == spec) { + overlays.splice(i, 1); + this$1.state.modeGen++; + regChange(this$1); + return + } + } + }), + + indentLine: methodOp(function(n, dir, aggressive) { + if (typeof dir != "string" && typeof dir != "number") { + if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev"; } + else { dir = dir ? "add" : "subtract"; } + } + if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); } + }), + indentSelection: methodOp(function(how) { + var this$1 = this; + + var ranges = this.doc.sel.ranges, end = -1; + for (var i = 0; i < ranges.length; i++) { + var range$$1 = ranges[i]; + if (!range$$1.empty()) { + var from = range$$1.from(), to = range$$1.to(); + var start = Math.max(end, from.line); + end = Math.min(this$1.lastLine(), to.line - (to.ch ? 0 : 1)) + 1; + for (var j = start; j < end; ++j) + { indentLine(this$1, j, how); } + var newRanges = this$1.doc.sel.ranges; + if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) + { replaceOneSelection(this$1.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); } + } else if (range$$1.head.line > end) { + indentLine(this$1, range$$1.head.line, how, true); + end = range$$1.head.line; + if (i == this$1.doc.sel.primIndex) { ensureCursorVisible(this$1); } + } + } + }), + + // Fetch the parser token for a given character. Useful for hacks + // that want to inspect the mode state (say, for completion). + getTokenAt: function(pos, precise) { + return takeToken(this, pos, precise) + }, + + getLineTokens: function(line, precise) { + return takeToken(this, Pos(line), precise, true) + }, + + getTokenTypeAt: function(pos) { + pos = clipPos(this.doc, pos); + var styles = getLineStyles(this, getLine(this.doc, pos.line)); + var before = 0, after = (styles.length - 1) / 2, ch = pos.ch; + var type; + if (ch == 0) { type = styles[2]; } + else { for (;;) { + var mid = (before + after) >> 1; + if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; } + else if (styles[mid * 2 + 1] < ch) { before = mid + 1; } + else { type = styles[mid * 2 + 2]; break } } } - }, + var cut = type ? type.indexOf("overlay ") : -1; + return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1) + }, - addOverlay: methodOp(function(spec, options) { - var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec); - if (mode.startState) { throw new Error("Overlays may not be stateful.") } - insertSorted(this.state.overlays, - {mode: mode, modeSpec: spec, opaque: options && options.opaque, - priority: (options && options.priority) || 0}, - function (overlay) { return overlay.priority; }); - this.state.modeGen++; - regChange(this); - }), - removeOverlay: methodOp(function(spec) { + getModeAt: function(pos) { + var mode = this.doc.mode; + if (!mode.innerMode) { return mode } + return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode + }, + + getHelper: function(pos, type) { + return this.getHelpers(pos, type)[0] + }, + + getHelpers: function(pos, type) { + var this$1 = this; + + var found = []; + if (!helpers.hasOwnProperty(type)) { return found } + var help = helpers[type], mode = this.getModeAt(pos); + if (typeof mode[type] == "string") { + if (help[mode[type]]) { found.push(help[mode[type]]); } + } else if (mode[type]) { + for (var i = 0; i < mode[type].length; i++) { + var val = help[mode[type][i]]; + if (val) { found.push(val); } + } + } else if (mode.helperType && help[mode.helperType]) { + found.push(help[mode.helperType]); + } else if (help[mode.name]) { + found.push(help[mode.name]); + } + for (var i$1 = 0; i$1 < help._global.length; i$1++) { + var cur = help._global[i$1]; + if (cur.pred(mode, this$1) && indexOf(found, cur.val) == -1) + { found.push(cur.val); } + } + return found + }, + + getStateAfter: function(line, precise) { + var doc = this.doc; + line = clipLine(doc, line == null ? doc.first + doc.size - 1: line); + return getContextBefore(this, line + 1, precise).state + }, + + cursorCoords: function(start, mode) { + var pos, range$$1 = this.doc.sel.primary(); + if (start == null) { pos = range$$1.head; } + else if (typeof start == "object") { pos = clipPos(this.doc, start); } + else { pos = start ? range$$1.from() : range$$1.to(); } + return cursorCoords(this, pos, mode || "page") + }, + + charCoords: function(pos, mode) { + return charCoords(this, clipPos(this.doc, pos), mode || "page") + }, + + coordsChar: function(coords, mode) { + coords = fromCoordSystem(this, coords, mode || "page"); + return coordsChar(this, coords.left, coords.top) + }, + + lineAtHeight: function(height, mode) { + height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top; + return lineAtHeight(this.doc, height + this.display.viewOffset) + }, + heightAtLine: function(line, mode, includeWidgets) { + var end = false, lineObj; + if (typeof line == "number") { + var last = this.doc.first + this.doc.size - 1; + if (line < this.doc.first) { line = this.doc.first; } + else if (line > last) { line = last; end = true; } + lineObj = getLine(this.doc, line); + } else { + lineObj = line; + } + return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top + + (end ? this.doc.height - heightAtLine(lineObj) : 0) + }, + + defaultTextHeight: function() { return textHeight(this.display) }, + defaultCharWidth: function() { return charWidth(this.display) }, + + getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}}, + + addWidget: function(pos, node, scroll, vert, horiz) { + var display = this.display; + pos = cursorCoords(this, clipPos(this.doc, pos)); + var top = pos.bottom, left = pos.left; + node.style.position = "absolute"; + node.setAttribute("cm-ignore-events", "true"); + this.display.input.setUneditable(node); + display.sizer.appendChild(node); + if (vert == "over") { + top = pos.top; + } else if (vert == "above" || vert == "near") { + var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), + hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth); + // Default to positioning above (if specified and possible); otherwise default to positioning below + if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) + { top = pos.top - node.offsetHeight; } + else if (pos.bottom + node.offsetHeight <= vspace) + { top = pos.bottom; } + if (left + node.offsetWidth > hspace) + { left = hspace - node.offsetWidth; } + } + node.style.top = top + "px"; + node.style.left = node.style.right = ""; + if (horiz == "right") { + left = display.sizer.clientWidth - node.offsetWidth; + node.style.right = "0px"; + } else { + if (horiz == "left") { left = 0; } + else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; } + node.style.left = left + "px"; + } + if (scroll) + { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); } + }, + + triggerOnKeyDown: methodOp(onKeyDown), + triggerOnKeyPress: methodOp(onKeyPress), + triggerOnKeyUp: onKeyUp, + triggerOnMouseDown: methodOp(onMouseDown), + + execCommand: function(cmd) { + if (commands.hasOwnProperty(cmd)) + { return commands[cmd].call(null, this) } + }, + + triggerElectric: methodOp(function(text) { triggerElectric(this, text); }), + + findPosH: function(from, amount, unit, visually) { + var this$1 = this; + + var dir = 1; + if (amount < 0) { dir = -1; amount = -amount; } + var cur = clipPos(this.doc, from); + for (var i = 0; i < amount; ++i) { + cur = findPosH(this$1.doc, cur, dir, unit, visually); + if (cur.hitSide) { break } + } + return cur + }, + + moveH: methodOp(function(dir, unit) { + var this$1 = this; + + this.extendSelectionsBy(function (range$$1) { + if (this$1.display.shift || this$1.doc.extend || range$$1.empty()) + { return findPosH(this$1.doc, range$$1.head, dir, unit, this$1.options.rtlMoveVisually) } + else + { return dir < 0 ? range$$1.from() : range$$1.to() } + }, sel_move); + }), + + deleteH: methodOp(function(dir, unit) { + var sel = this.doc.sel, doc = this.doc; + if (sel.somethingSelected()) + { doc.replaceSelection("", null, "+delete"); } + else + { deleteNearSelection(this, function (range$$1) { + var other = findPosH(doc, range$$1.head, dir, unit, false); + return dir < 0 ? {from: other, to: range$$1.head} : {from: range$$1.head, to: other} + }); } + }), + + findPosV: function(from, amount, unit, goalColumn) { + var this$1 = this; + + var dir = 1, x = goalColumn; + if (amount < 0) { dir = -1; amount = -amount; } + var cur = clipPos(this.doc, from); + for (var i = 0; i < amount; ++i) { + var coords = cursorCoords(this$1, cur, "div"); + if (x == null) { x = coords.left; } + else { coords.left = x; } + cur = findPosV(this$1, coords, dir, unit); + if (cur.hitSide) { break } + } + return cur + }, + + moveV: methodOp(function(dir, unit) { + var this$1 = this; + + var doc = this.doc, goals = []; + var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected(); + doc.extendSelectionsBy(function (range$$1) { + if (collapse) + { return dir < 0 ? range$$1.from() : range$$1.to() } + var headPos = cursorCoords(this$1, range$$1.head, "div"); + if (range$$1.goalColumn != null) { headPos.left = range$$1.goalColumn; } + goals.push(headPos.left); + var pos = findPosV(this$1, headPos, dir, unit); + if (unit == "page" && range$$1 == doc.sel.primary()) + { addToScrollTop(this$1, charCoords(this$1, pos, "div").top - headPos.top); } + return pos + }, sel_move); + if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++) + { doc.sel.ranges[i].goalColumn = goals[i]; } } + }), + + // Find the word at the given position (as returned by coordsChar). + findWordAt: function(pos) { + var doc = this.doc, line = getLine(doc, pos.line).text; + var start = pos.ch, end = pos.ch; + if (line) { + var helper = this.getHelper(pos, "wordChars"); + if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end; } + var startChar = line.charAt(start); + var check = isWordChar(startChar, helper) + ? function (ch) { return isWordChar(ch, helper); } + : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); } + : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); }; + while (start > 0 && check(line.charAt(start - 1))) { --start; } + while (end < line.length && check(line.charAt(end))) { ++end; } + } + return new Range(Pos(pos.line, start), Pos(pos.line, end)) + }, + + toggleOverwrite: function(value) { + if (value != null && value == this.state.overwrite) { return } + if (this.state.overwrite = !this.state.overwrite) + { addClass(this.display.cursorDiv, "CodeMirror-overwrite"); } + else + { rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); } + + signal(this, "overwriteToggle", this, this.state.overwrite); + }, + hasFocus: function() { return this.display.input.getField() == activeElt() }, + isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) }, + + scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }), + getScrollInfo: function() { + var scroller = this.display.scroller; + return {left: scroller.scrollLeft, top: scroller.scrollTop, + height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, + width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, + clientHeight: displayHeight(this), clientWidth: displayWidth(this)} + }, + + scrollIntoView: methodOp(function(range$$1, margin) { + if (range$$1 == null) { + range$$1 = {from: this.doc.sel.primary().head, to: null}; + if (margin == null) { margin = this.options.cursorScrollMargin; } + } else if (typeof range$$1 == "number") { + range$$1 = {from: Pos(range$$1, 0), to: null}; + } else if (range$$1.from == null) { + range$$1 = {from: range$$1, to: null}; + } + if (!range$$1.to) { range$$1.to = range$$1.from; } + range$$1.margin = margin || 0; + + if (range$$1.from.line != null) { + scrollToRange(this, range$$1); + } else { + scrollToCoordsRange(this, range$$1.from, range$$1.to, range$$1.margin); + } + }), + + setSize: methodOp(function(width, height) { + var this$1 = this; + + var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; }; + if (width != null) { this.display.wrapper.style.width = interpret(width); } + if (height != null) { this.display.wrapper.style.height = interpret(height); } + if (this.options.lineWrapping) { clearLineMeasurementCache(this); } + var lineNo$$1 = this.display.viewFrom; + this.doc.iter(lineNo$$1, this.display.viewTo, function (line) { + if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) + { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo$$1, "widget"); break } } } + ++lineNo$$1; + }); + this.curOp.forceUpdate = true; + signal(this, "refresh", this); + }), + + operation: function(f){return runInOp(this, f)}, + startOperation: function(){return startOperation(this)}, + endOperation: function(){return endOperation(this)}, + + refresh: methodOp(function() { + var oldHeight = this.display.cachedTextHeight; + regChange(this); + this.curOp.forceUpdate = true; + clearCaches(this); + scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop); + updateGutterSpace(this); + if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5) + { estimateLineHeights(this); } + signal(this, "refresh", this); + }), + + swapDoc: methodOp(function(doc) { + var old = this.doc; + old.cm = null; + attachDoc(this, doc); + clearCaches(this); + this.display.input.reset(); + scrollToCoords(this, doc.scrollLeft, doc.scrollTop); + this.curOp.forceScroll = true; + signalLater(this, "swapDoc", this, old); + return old + }), + + phrase: function(phraseText) { + var phrases = this.options.phrases; + return phrases && Object.prototype.hasOwnProperty.call(phrases, phraseText) ? phrases[phraseText] : phraseText + }, + + getInputField: function(){return this.display.input.getField()}, + getWrapperElement: function(){return this.display.wrapper}, + getScrollerElement: function(){return this.display.scroller}, + getGutterElement: function(){return this.display.gutters} + }; + eventMixin(CodeMirror); + + CodeMirror.registerHelper = function(type, name, value) { + if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; } + helpers[type][name] = value; + }; + CodeMirror.registerGlobalHelper = function(type, name, predicate, value) { + CodeMirror.registerHelper(type, name, value); + helpers[type]._global.push({pred: predicate, val: value}); + }; + } + + // Used for horizontal relative motion. Dir is -1 or 1 (left or + // right), unit can be "char", "column" (like char, but doesn't + // cross line boundaries), "word" (across next word), or "group" (to + // the start of next group of word or non-word-non-whitespace + // chars). The visually param controls whether, in right-to-left + // text, direction 1 means to move towards the next index in the + // string, or towards the character to the right of the current + // position. The resulting position will have a hitSide=true + // property if it reached the end of the document. + function findPosH(doc, pos, dir, unit, visually) { + var oldPos = pos; + var origDir = dir; + var lineObj = getLine(doc, pos.line); + function findNextLine() { + var l = pos.line + dir; + if (l < doc.first || l >= doc.first + doc.size) { return false } + pos = new Pos(l, pos.ch, pos.sticky); + return lineObj = getLine(doc, l) + } + function moveOnce(boundToLine) { + var next; + if (visually) { + next = moveVisually(doc.cm, lineObj, pos, dir); + } else { + next = moveLogically(lineObj, pos, dir); + } + if (next == null) { + if (!boundToLine && findNextLine()) + { pos = endOfLine(visually, doc.cm, lineObj, pos.line, dir); } + else + { return false } + } else { + pos = next; + } + return true + } + + if (unit == "char") { + moveOnce(); + } else if (unit == "column") { + moveOnce(true); + } else if (unit == "word" || unit == "group") { + var sawType = null, group = unit == "group"; + var helper = doc.cm && doc.cm.getHelper(pos, "wordChars"); + for (var first = true;; first = false) { + if (dir < 0 && !moveOnce(!first)) { break } + var cur = lineObj.text.charAt(pos.ch) || "\n"; + var type = isWordChar(cur, helper) ? "w" + : group && cur == "\n" ? "n" + : !group || /\s/.test(cur) ? null + : "p"; + if (group && !first && !type) { type = "s"; } + if (sawType && sawType != type) { + if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after";} + break + } + + if (type) { sawType = type; } + if (dir > 0 && !moveOnce(!first)) { break } + } + } + var result = skipAtomic(doc, pos, oldPos, origDir, true); + if (equalCursorPos(oldPos, result)) { result.hitSide = true; } + return result + } + + // For relative vertical movement. Dir may be -1 or 1. Unit can be + // "page" or "line". The resulting position will have a hitSide=true + // property if it reached the end of the document. + function findPosV(cm, pos, dir, unit) { + var doc = cm.doc, x = pos.left, y; + if (unit == "page") { + var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight); + var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3); + y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount; + + } else if (unit == "line") { + y = dir > 0 ? pos.bottom + 3 : pos.top - 3; + } + var target; + for (;;) { + target = coordsChar(cm, x, y); + if (!target.outside) { break } + if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break } + y += dir * 5; + } + return target + } + + // CONTENTEDITABLE INPUT STYLE + + var ContentEditableInput = function(cm) { + this.cm = cm; + this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null; + this.polling = new Delayed(); + this.composing = null; + this.gracePeriod = false; + this.readDOMTimeout = null; + }; + + ContentEditableInput.prototype.init = function (display) { var this$1 = this; - var overlays = this.state.overlays; - for (var i = 0; i < overlays.length; ++i) { - var cur = overlays[i].modeSpec; - if (cur == spec || typeof spec == "string" && cur.name == spec) { - overlays.splice(i, 1); - this$1.state.modeGen++; - regChange(this$1); + var input = this, cm = input.cm; + var div = input.div = display.lineDiv; + disableBrowserMagic(div, cm.options.spellcheck); + + on(div, "paste", function (e) { + if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } + // IE doesn't fire input events, so we schedule a read for the pasted content in this way + if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); } + }); + + on(div, "compositionstart", function (e) { + this$1.composing = {data: e.data, done: false}; + }); + on(div, "compositionupdate", function (e) { + if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; } + }); + on(div, "compositionend", function (e) { + if (this$1.composing) { + if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); } + this$1.composing.done = true; + } + }); + + on(div, "touchstart", function () { return input.forceCompositionEnd(); }); + + on(div, "input", function () { + if (!this$1.composing) { this$1.readFromDOMSoon(); } + }); + + function onCopyCut(e) { + if (signalDOMEvent(cm, e)) { return } + if (cm.somethingSelected()) { + setLastCopied({lineWise: false, text: cm.getSelections()}); + if (e.type == "cut") { cm.replaceSelection("", null, "cut"); } + } else if (!cm.options.lineWiseCopyCut) { + return + } else { + var ranges = copyableRanges(cm); + setLastCopied({lineWise: true, text: ranges.text}); + if (e.type == "cut") { + cm.operation(function () { + cm.setSelections(ranges.ranges, 0, sel_dontScroll); + cm.replaceSelection("", null, "cut"); + }); + } + } + if (e.clipboardData) { + e.clipboardData.clearData(); + var content = lastCopied.text.join("\n"); + // iOS exposes the clipboard API, but seems to discard content inserted into it + e.clipboardData.setData("Text", content); + if (e.clipboardData.getData("Text") == content) { + e.preventDefault(); return } } - }), - - indentLine: methodOp(function(n, dir, aggressive) { - if (typeof dir != "string" && typeof dir != "number") { - if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev"; } - else { dir = dir ? "add" : "subtract"; } - } - if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); } - }), - indentSelection: methodOp(function(how) { - var this$1 = this; - - var ranges = this.doc.sel.ranges, end = -1; - for (var i = 0; i < ranges.length; i++) { - var range$$1 = ranges[i]; - if (!range$$1.empty()) { - var from = range$$1.from(), to = range$$1.to(); - var start = Math.max(end, from.line); - end = Math.min(this$1.lastLine(), to.line - (to.ch ? 0 : 1)) + 1; - for (var j = start; j < end; ++j) - { indentLine(this$1, j, how); } - var newRanges = this$1.doc.sel.ranges; - if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) - { replaceOneSelection(this$1.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); } - } else if (range$$1.head.line > end) { - indentLine(this$1, range$$1.head.line, how, true); - end = range$$1.head.line; - if (i == this$1.doc.sel.primIndex) { ensureCursorVisible(this$1); } - } - } - }), - - // Fetch the parser token for a given character. Useful for hacks - // that want to inspect the mode state (say, for completion). - getTokenAt: function(pos, precise) { - return takeToken(this, pos, precise) - }, - - getLineTokens: function(line, precise) { - return takeToken(this, Pos(line), precise, true) - }, - - getTokenTypeAt: function(pos) { - pos = clipPos(this.doc, pos); - var styles = getLineStyles(this, getLine(this.doc, pos.line)); - var before = 0, after = (styles.length - 1) / 2, ch = pos.ch; - var type; - if (ch == 0) { type = styles[2]; } - else { for (;;) { - var mid = (before + after) >> 1; - if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; } - else if (styles[mid * 2 + 1] < ch) { before = mid + 1; } - else { type = styles[mid * 2 + 2]; break } - } } - var cut = type ? type.indexOf("overlay ") : -1; - return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1) - }, - - getModeAt: function(pos) { - var mode = this.doc.mode; - if (!mode.innerMode) { return mode } - return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode - }, - - getHelper: function(pos, type) { - return this.getHelpers(pos, type)[0] - }, - - getHelpers: function(pos, type) { - var this$1 = this; - - var found = []; - if (!helpers.hasOwnProperty(type)) { return found } - var help = helpers[type], mode = this.getModeAt(pos); - if (typeof mode[type] == "string") { - if (help[mode[type]]) { found.push(help[mode[type]]); } - } else if (mode[type]) { - for (var i = 0; i < mode[type].length; i++) { - var val = help[mode[type][i]]; - if (val) { found.push(val); } - } - } else if (mode.helperType && help[mode.helperType]) { - found.push(help[mode.helperType]); - } else if (help[mode.name]) { - found.push(help[mode.name]); - } - for (var i$1 = 0; i$1 < help._global.length; i$1++) { - var cur = help._global[i$1]; - if (cur.pred(mode, this$1) && indexOf(found, cur.val) == -1) - { found.push(cur.val); } - } - return found - }, - - getStateAfter: function(line, precise) { - var doc = this.doc; - line = clipLine(doc, line == null ? doc.first + doc.size - 1: line); - return getContextBefore(this, line + 1, precise).state - }, - - cursorCoords: function(start, mode) { - var pos, range$$1 = this.doc.sel.primary(); - if (start == null) { pos = range$$1.head; } - else if (typeof start == "object") { pos = clipPos(this.doc, start); } - else { pos = start ? range$$1.from() : range$$1.to(); } - return cursorCoords(this, pos, mode || "page") - }, - - charCoords: function(pos, mode) { - return charCoords(this, clipPos(this.doc, pos), mode || "page") - }, - - coordsChar: function(coords, mode) { - coords = fromCoordSystem(this, coords, mode || "page"); - return coordsChar(this, coords.left, coords.top) - }, - - lineAtHeight: function(height, mode) { - height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top; - return lineAtHeight(this.doc, height + this.display.viewOffset) - }, - heightAtLine: function(line, mode, includeWidgets) { - var end = false, lineObj; - if (typeof line == "number") { - var last = this.doc.first + this.doc.size - 1; - if (line < this.doc.first) { line = this.doc.first; } - else if (line > last) { line = last; end = true; } - lineObj = getLine(this.doc, line); - } else { - lineObj = line; - } - return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top + - (end ? this.doc.height - heightAtLine(lineObj) : 0) - }, - - defaultTextHeight: function() { return textHeight(this.display) }, - defaultCharWidth: function() { return charWidth(this.display) }, - - getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}}, - - addWidget: function(pos, node, scroll, vert, horiz) { - var display = this.display; - pos = cursorCoords(this, clipPos(this.doc, pos)); - var top = pos.bottom, left = pos.left; - node.style.position = "absolute"; - node.setAttribute("cm-ignore-events", "true"); - this.display.input.setUneditable(node); - display.sizer.appendChild(node); - if (vert == "over") { - top = pos.top; - } else if (vert == "above" || vert == "near") { - var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), - hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth); - // Default to positioning above (if specified and possible); otherwise default to positioning below - if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) - { top = pos.top - node.offsetHeight; } - else if (pos.bottom + node.offsetHeight <= vspace) - { top = pos.bottom; } - if (left + node.offsetWidth > hspace) - { left = hspace - node.offsetWidth; } - } - node.style.top = top + "px"; - node.style.left = node.style.right = ""; - if (horiz == "right") { - left = display.sizer.clientWidth - node.offsetWidth; - node.style.right = "0px"; - } else { - if (horiz == "left") { left = 0; } - else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; } - node.style.left = left + "px"; - } - if (scroll) - { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); } - }, - - triggerOnKeyDown: methodOp(onKeyDown), - triggerOnKeyPress: methodOp(onKeyPress), - triggerOnKeyUp: onKeyUp, - triggerOnMouseDown: methodOp(onMouseDown), - - execCommand: function(cmd) { - if (commands.hasOwnProperty(cmd)) - { return commands[cmd].call(null, this) } - }, - - triggerElectric: methodOp(function(text) { triggerElectric(this, text); }), - - findPosH: function(from, amount, unit, visually) { - var this$1 = this; - - var dir = 1; - if (amount < 0) { dir = -1; amount = -amount; } - var cur = clipPos(this.doc, from); - for (var i = 0; i < amount; ++i) { - cur = findPosH(this$1.doc, cur, dir, unit, visually); - if (cur.hitSide) { break } - } - return cur - }, - - moveH: methodOp(function(dir, unit) { - var this$1 = this; - - this.extendSelectionsBy(function (range$$1) { - if (this$1.display.shift || this$1.doc.extend || range$$1.empty()) - { return findPosH(this$1.doc, range$$1.head, dir, unit, this$1.options.rtlMoveVisually) } - else - { return dir < 0 ? range$$1.from() : range$$1.to() } - }, sel_move); - }), - - deleteH: methodOp(function(dir, unit) { - var sel = this.doc.sel, doc = this.doc; - if (sel.somethingSelected()) - { doc.replaceSelection("", null, "+delete"); } - else - { deleteNearSelection(this, function (range$$1) { - var other = findPosH(doc, range$$1.head, dir, unit, false); - return dir < 0 ? {from: other, to: range$$1.head} : {from: range$$1.head, to: other} - }); } - }), - - findPosV: function(from, amount, unit, goalColumn) { - var this$1 = this; - - var dir = 1, x = goalColumn; - if (amount < 0) { dir = -1; amount = -amount; } - var cur = clipPos(this.doc, from); - for (var i = 0; i < amount; ++i) { - var coords = cursorCoords(this$1, cur, "div"); - if (x == null) { x = coords.left; } - else { coords.left = x; } - cur = findPosV(this$1, coords, dir, unit); - if (cur.hitSide) { break } - } - return cur - }, - - moveV: methodOp(function(dir, unit) { - var this$1 = this; - - var doc = this.doc, goals = []; - var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected(); - doc.extendSelectionsBy(function (range$$1) { - if (collapse) - { return dir < 0 ? range$$1.from() : range$$1.to() } - var headPos = cursorCoords(this$1, range$$1.head, "div"); - if (range$$1.goalColumn != null) { headPos.left = range$$1.goalColumn; } - goals.push(headPos.left); - var pos = findPosV(this$1, headPos, dir, unit); - if (unit == "page" && range$$1 == doc.sel.primary()) - { addToScrollTop(this$1, charCoords(this$1, pos, "div").top - headPos.top); } - return pos - }, sel_move); - if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++) - { doc.sel.ranges[i].goalColumn = goals[i]; } } - }), - - // Find the word at the given position (as returned by coordsChar). - findWordAt: function(pos) { - var doc = this.doc, line = getLine(doc, pos.line).text; - var start = pos.ch, end = pos.ch; - if (line) { - var helper = this.getHelper(pos, "wordChars"); - if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end; } - var startChar = line.charAt(start); - var check = isWordChar(startChar, helper) - ? function (ch) { return isWordChar(ch, helper); } - : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); } - : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); }; - while (start > 0 && check(line.charAt(start - 1))) { --start; } - while (end < line.length && check(line.charAt(end))) { ++end; } - } - return new Range(Pos(pos.line, start), Pos(pos.line, end)) - }, - - toggleOverwrite: function(value) { - if (value != null && value == this.state.overwrite) { return } - if (this.state.overwrite = !this.state.overwrite) - { addClass(this.display.cursorDiv, "CodeMirror-overwrite"); } - else - { rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); } - - signal(this, "overwriteToggle", this, this.state.overwrite); - }, - hasFocus: function() { return this.display.input.getField() == activeElt() }, - isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) }, - - scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }), - getScrollInfo: function() { - var scroller = this.display.scroller; - return {left: scroller.scrollLeft, top: scroller.scrollTop, - height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, - width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, - clientHeight: displayHeight(this), clientWidth: displayWidth(this)} - }, - - scrollIntoView: methodOp(function(range$$1, margin) { - if (range$$1 == null) { - range$$1 = {from: this.doc.sel.primary().head, to: null}; - if (margin == null) { margin = this.options.cursorScrollMargin; } - } else if (typeof range$$1 == "number") { - range$$1 = {from: Pos(range$$1, 0), to: null}; - } else if (range$$1.from == null) { - range$$1 = {from: range$$1, to: null}; - } - if (!range$$1.to) { range$$1.to = range$$1.from; } - range$$1.margin = margin || 0; - - if (range$$1.from.line != null) { - scrollToRange(this, range$$1); - } else { - scrollToCoordsRange(this, range$$1.from, range$$1.to, range$$1.margin); - } - }), - - setSize: methodOp(function(width, height) { - var this$1 = this; - - var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; }; - if (width != null) { this.display.wrapper.style.width = interpret(width); } - if (height != null) { this.display.wrapper.style.height = interpret(height); } - if (this.options.lineWrapping) { clearLineMeasurementCache(this); } - var lineNo$$1 = this.display.viewFrom; - this.doc.iter(lineNo$$1, this.display.viewTo, function (line) { - if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) - { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo$$1, "widget"); break } } } - ++lineNo$$1; - }); - this.curOp.forceUpdate = true; - signal(this, "refresh", this); - }), - - operation: function(f){return runInOp(this, f)}, - startOperation: function(){return startOperation(this)}, - endOperation: function(){return endOperation(this)}, - - refresh: methodOp(function() { - var oldHeight = this.display.cachedTextHeight; - regChange(this); - this.curOp.forceUpdate = true; - clearCaches(this); - scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop); - updateGutterSpace(this); - if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5) - { estimateLineHeights(this); } - signal(this, "refresh", this); - }), - - swapDoc: methodOp(function(doc) { - var old = this.doc; - old.cm = null; - attachDoc(this, doc); - clearCaches(this); - this.display.input.reset(); - scrollToCoords(this, doc.scrollLeft, doc.scrollTop); - this.curOp.forceScroll = true; - signalLater(this, "swapDoc", this, old); - return old - }), - - phrase: function(phraseText) { - var phrases = this.options.phrases; - return phrases && Object.prototype.hasOwnProperty.call(phrases, phraseText) ? phrases[phraseText] : phraseText - }, - - getInputField: function(){return this.display.input.getField()}, - getWrapperElement: function(){return this.display.wrapper}, - getScrollerElement: function(){return this.display.scroller}, - getGutterElement: function(){return this.display.gutters} + // Old-fashioned briefly-focus-a-textarea hack + var kludge = hiddenTextarea(), te = kludge.firstChild; + cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild); + te.value = lastCopied.text.join("\n"); + var hadFocus = document.activeElement; + selectInput(te); + setTimeout(function () { + cm.display.lineSpace.removeChild(kludge); + hadFocus.focus(); + if (hadFocus == div) { input.showPrimarySelection(); } + }, 50); + } + on(div, "copy", onCopyCut); + on(div, "cut", onCopyCut); }; - eventMixin(CodeMirror); - CodeMirror.registerHelper = function(type, name, value) { - if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; } - helpers[type][name] = value; + ContentEditableInput.prototype.prepareSelection = function () { + var result = prepareSelection(this.cm, false); + result.focus = this.cm.state.focused; + return result }; - CodeMirror.registerGlobalHelper = function(type, name, predicate, value) { - CodeMirror.registerHelper(type, name, value); - helpers[type]._global.push({pred: predicate, val: value}); + + ContentEditableInput.prototype.showSelection = function (info, takeFocus) { + if (!info || !this.cm.display.view.length) { return } + if (info.focus || takeFocus) { this.showPrimarySelection(); } + this.showMultipleSelections(info); }; -}; -// Used for horizontal relative motion. Dir is -1 or 1 (left or -// right), unit can be "char", "column" (like char, but doesn't -// cross line boundaries), "word" (across next word), or "group" (to -// the start of next group of word or non-word-non-whitespace -// chars). The visually param controls whether, in right-to-left -// text, direction 1 means to move towards the next index in the -// string, or towards the character to the right of the current -// position. The resulting position will have a hitSide=true -// property if it reached the end of the document. -function findPosH(doc, pos, dir, unit, visually) { - var oldPos = pos; - var origDir = dir; - var lineObj = getLine(doc, pos.line); - function findNextLine() { - var l = pos.line + dir; - if (l < doc.first || l >= doc.first + doc.size) { return false } - pos = new Pos(l, pos.ch, pos.sticky); - return lineObj = getLine(doc, l) - } - function moveOnce(boundToLine) { - var next; - if (visually) { - next = moveVisually(doc.cm, lineObj, pos, dir); - } else { - next = moveLogically(lineObj, pos, dir); - } - if (next == null) { - if (!boundToLine && findNextLine()) - { pos = endOfLine(visually, doc.cm, lineObj, pos.line, dir); } - else - { return false } - } else { - pos = next; - } - return true - } + ContentEditableInput.prototype.getSelection = function () { + return this.cm.display.wrapper.ownerDocument.getSelection() + }; - if (unit == "char") { - moveOnce(); - } else if (unit == "column") { - moveOnce(true); - } else if (unit == "word" || unit == "group") { - var sawType = null, group = unit == "group"; - var helper = doc.cm && doc.cm.getHelper(pos, "wordChars"); - for (var first = true;; first = false) { - if (dir < 0 && !moveOnce(!first)) { break } - var cur = lineObj.text.charAt(pos.ch) || "\n"; - var type = isWordChar(cur, helper) ? "w" - : group && cur == "\n" ? "n" - : !group || /\s/.test(cur) ? null - : "p"; - if (group && !first && !type) { type = "s"; } - if (sawType && sawType != type) { - if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after";} - break - } + ContentEditableInput.prototype.showPrimarySelection = function () { + var sel = this.getSelection(), cm = this.cm, prim = cm.doc.sel.primary(); + var from = prim.from(), to = prim.to(); - if (type) { sawType = type; } - if (dir > 0 && !moveOnce(!first)) { break } - } - } - var result = skipAtomic(doc, pos, oldPos, origDir, true); - if (equalCursorPos(oldPos, result)) { result.hitSide = true; } - return result -} - -// For relative vertical movement. Dir may be -1 or 1. Unit can be -// "page" or "line". The resulting position will have a hitSide=true -// property if it reached the end of the document. -function findPosV(cm, pos, dir, unit) { - var doc = cm.doc, x = pos.left, y; - if (unit == "page") { - var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight); - var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3); - y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount; - - } else if (unit == "line") { - y = dir > 0 ? pos.bottom + 3 : pos.top - 3; - } - var target; - for (;;) { - target = coordsChar(cm, x, y); - if (!target.outside) { break } - if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break } - y += dir * 5; - } - return target -} - -// CONTENTEDITABLE INPUT STYLE - -var ContentEditableInput = function(cm) { - this.cm = cm; - this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null; - this.polling = new Delayed(); - this.composing = null; - this.gracePeriod = false; - this.readDOMTimeout = null; -}; - -ContentEditableInput.prototype.init = function (display) { - var this$1 = this; - - var input = this, cm = input.cm; - var div = input.div = display.lineDiv; - disableBrowserMagic(div, cm.options.spellcheck); - - on(div, "paste", function (e) { - if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } - // IE doesn't fire input events, so we schedule a read for the pasted content in this way - if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); } - }); - - on(div, "compositionstart", function (e) { - this$1.composing = {data: e.data, done: false}; - }); - on(div, "compositionupdate", function (e) { - if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; } - }); - on(div, "compositionend", function (e) { - if (this$1.composing) { - if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); } - this$1.composing.done = true; - } - }); - - on(div, "touchstart", function () { return input.forceCompositionEnd(); }); - - on(div, "input", function () { - if (!this$1.composing) { this$1.readFromDOMSoon(); } - }); - - function onCopyCut(e) { - if (signalDOMEvent(cm, e)) { return } - if (cm.somethingSelected()) { - setLastCopied({lineWise: false, text: cm.getSelections()}); - if (e.type == "cut") { cm.replaceSelection("", null, "cut"); } - } else if (!cm.options.lineWiseCopyCut) { + if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) { + sel.removeAllRanges(); return - } else { - var ranges = copyableRanges(cm); - setLastCopied({lineWise: true, text: ranges.text}); - if (e.type == "cut") { - cm.operation(function () { - cm.setSelections(ranges.ranges, 0, sel_dontScroll); - cm.replaceSelection("", null, "cut"); - }); - } } - if (e.clipboardData) { - e.clipboardData.clearData(); - var content = lastCopied.text.join("\n"); - // iOS exposes the clipboard API, but seems to discard content inserted into it - e.clipboardData.setData("Text", content); - if (e.clipboardData.getData("Text") == content) { - e.preventDefault(); - return - } + + var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); + var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset); + if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && + cmp(minPos(curAnchor, curFocus), from) == 0 && + cmp(maxPos(curAnchor, curFocus), to) == 0) + { return } + + var view = cm.display.view; + var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) || + {node: view[0].measure.map[2], offset: 0}; + var end = to.line < cm.display.viewTo && posToDOM(cm, to); + if (!end) { + var measure = view[view.length - 1].measure; + var map$$1 = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map; + end = {node: map$$1[map$$1.length - 1], offset: map$$1[map$$1.length - 2] - map$$1[map$$1.length - 3]}; } - // Old-fashioned briefly-focus-a-textarea hack - var kludge = hiddenTextarea(), te = kludge.firstChild; - cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild); - te.value = lastCopied.text.join("\n"); - var hadFocus = document.activeElement; - selectInput(te); - setTimeout(function () { - cm.display.lineSpace.removeChild(kludge); - hadFocus.focus(); - if (hadFocus == div) { input.showPrimarySelection(); } - }, 50); - } - on(div, "copy", onCopyCut); - on(div, "cut", onCopyCut); -}; -ContentEditableInput.prototype.prepareSelection = function () { - var result = prepareSelection(this.cm, false); - result.focus = this.cm.state.focused; - return result -}; + if (!start || !end) { + sel.removeAllRanges(); + return + } -ContentEditableInput.prototype.showSelection = function (info, takeFocus) { - if (!info || !this.cm.display.view.length) { return } - if (info.focus || takeFocus) { this.showPrimarySelection(); } - this.showMultipleSelections(info); -}; - -ContentEditableInput.prototype.getSelection = function () { - return this.cm.display.wrapper.ownerDocument.getSelection() -}; - -ContentEditableInput.prototype.showPrimarySelection = function () { - var sel = this.getSelection(), cm = this.cm, prim = cm.doc.sel.primary(); - var from = prim.from(), to = prim.to(); - - if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) { - sel.removeAllRanges(); - return - } - - var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); - var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset); - if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && - cmp(minPos(curAnchor, curFocus), from) == 0 && - cmp(maxPos(curAnchor, curFocus), to) == 0) - { return } - - var view = cm.display.view; - var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) || - {node: view[0].measure.map[2], offset: 0}; - var end = to.line < cm.display.viewTo && posToDOM(cm, to); - if (!end) { - var measure = view[view.length - 1].measure; - var map$$1 = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map; - end = {node: map$$1[map$$1.length - 1], offset: map$$1[map$$1.length - 2] - map$$1[map$$1.length - 3]}; - } - - if (!start || !end) { - sel.removeAllRanges(); - return - } - - var old = sel.rangeCount && sel.getRangeAt(0), rng; - try { rng = range(start.node, start.offset, end.offset, end.node); } - catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible - if (rng) { - if (!gecko && cm.state.focused) { - sel.collapse(start.node, start.offset); - if (!rng.collapsed) { + var old = sel.rangeCount && sel.getRangeAt(0), rng; + try { rng = range(start.node, start.offset, end.offset, end.node); } + catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible + if (rng) { + if (!gecko && cm.state.focused) { + sel.collapse(start.node, start.offset); + if (!rng.collapsed) { + sel.removeAllRanges(); + sel.addRange(rng); + } + } else { sel.removeAllRanges(); sel.addRange(rng); } - } else { - sel.removeAllRanges(); - sel.addRange(rng); + if (old && sel.anchorNode == null) { sel.addRange(old); } + else if (gecko) { this.startGracePeriod(); } } - if (old && sel.anchorNode == null) { sel.addRange(old); } - else if (gecko) { this.startGracePeriod(); } - } - this.rememberSelection(); -}; + this.rememberSelection(); + }; -ContentEditableInput.prototype.startGracePeriod = function () { - var this$1 = this; + ContentEditableInput.prototype.startGracePeriod = function () { + var this$1 = this; - clearTimeout(this.gracePeriod); - this.gracePeriod = setTimeout(function () { - this$1.gracePeriod = false; - if (this$1.selectionChanged()) - { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); } - }, 20); -}; + clearTimeout(this.gracePeriod); + this.gracePeriod = setTimeout(function () { + this$1.gracePeriod = false; + if (this$1.selectionChanged()) + { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); } + }, 20); + }; -ContentEditableInput.prototype.showMultipleSelections = function (info) { - removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); - removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); -}; + ContentEditableInput.prototype.showMultipleSelections = function (info) { + removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); + removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); + }; -ContentEditableInput.prototype.rememberSelection = function () { - var sel = this.getSelection(); - this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset; - this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset; -}; + ContentEditableInput.prototype.rememberSelection = function () { + var sel = this.getSelection(); + this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset; + this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset; + }; -ContentEditableInput.prototype.selectionInEditor = function () { - var sel = this.getSelection(); - if (!sel.rangeCount) { return false } - var node = sel.getRangeAt(0).commonAncestorContainer; - return contains(this.div, node) -}; + ContentEditableInput.prototype.selectionInEditor = function () { + var sel = this.getSelection(); + if (!sel.rangeCount) { return false } + var node = sel.getRangeAt(0).commonAncestorContainer; + return contains(this.div, node) + }; -ContentEditableInput.prototype.focus = function () { - if (this.cm.options.readOnly != "nocursor") { - if (!this.selectionInEditor()) - { this.showSelection(this.prepareSelection(), true); } - this.div.focus(); - } -}; -ContentEditableInput.prototype.blur = function () { this.div.blur(); }; -ContentEditableInput.prototype.getField = function () { return this.div }; - -ContentEditableInput.prototype.supportsTouch = function () { return true }; - -ContentEditableInput.prototype.receivedFocus = function () { - var input = this; - if (this.selectionInEditor()) - { this.pollSelection(); } - else - { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); } - - function poll() { - if (input.cm.state.focused) { - input.pollSelection(); - input.polling.set(input.cm.options.pollInterval, poll); + ContentEditableInput.prototype.focus = function () { + if (this.cm.options.readOnly != "nocursor") { + if (!this.selectionInEditor()) + { this.showSelection(this.prepareSelection(), true); } + this.div.focus(); } - } - this.polling.set(this.cm.options.pollInterval, poll); -}; + }; + ContentEditableInput.prototype.blur = function () { this.div.blur(); }; + ContentEditableInput.prototype.getField = function () { return this.div }; -ContentEditableInput.prototype.selectionChanged = function () { - var sel = this.getSelection(); - return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || - sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset -}; + ContentEditableInput.prototype.supportsTouch = function () { return true }; -ContentEditableInput.prototype.pollSelection = function () { - if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return } - var sel = this.getSelection(), cm = this.cm; - // On Android Chrome (version 56, at least), backspacing into an - // uneditable block element will put the cursor in that element, - // and then, because it's not editable, hide the virtual keyboard. - // Because Android doesn't allow us to actually detect backspace - // presses in a sane way, this code checks for when that happens - // and simulates a backspace press in this case. - if (android && chrome && this.cm.options.gutters.length && isInGutter(sel.anchorNode)) { - this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs}); - this.blur(); - this.focus(); - return - } - if (this.composing) { return } - this.rememberSelection(); - var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); - var head = domToPos(cm, sel.focusNode, sel.focusOffset); - if (anchor && head) { runInOp(cm, function () { - setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll); - if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; } - }); } -}; - -ContentEditableInput.prototype.pollContent = function () { - if (this.readDOMTimeout != null) { - clearTimeout(this.readDOMTimeout); - this.readDOMTimeout = null; - } - - var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary(); - var from = sel.from(), to = sel.to(); - if (from.ch == 0 && from.line > cm.firstLine()) - { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); } - if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine()) - { to = Pos(to.line + 1, 0); } - if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false } - - var fromIndex, fromLine, fromNode; - if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { - fromLine = lineNo(display.view[0].line); - fromNode = display.view[0].node; - } else { - fromLine = lineNo(display.view[fromIndex].line); - fromNode = display.view[fromIndex - 1].node.nextSibling; - } - var toIndex = findViewIndex(cm, to.line); - var toLine, toNode; - if (toIndex == display.view.length - 1) { - toLine = display.viewTo - 1; - toNode = display.lineDiv.lastChild; - } else { - toLine = lineNo(display.view[toIndex + 1].line) - 1; - toNode = display.view[toIndex + 1].node.previousSibling; - } - - if (!fromNode) { return false } - var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)); - var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)); - while (newText.length > 1 && oldText.length > 1) { - if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; } - else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; } - else { break } - } - - var cutFront = 0, cutEnd = 0; - var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length); - while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) - { ++cutFront; } - var newBot = lst(newText), oldBot = lst(oldText); - var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), - oldBot.length - (oldText.length == 1 ? cutFront : 0)); - while (cutEnd < maxCutEnd && - newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) - { ++cutEnd; } - // Try to move start of change to start of selection if ambiguous - if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) { - while (cutFront && cutFront > from.ch && - newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) { - cutFront--; - cutEnd++; - } - } - - newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, ""); - newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, ""); - - var chFrom = Pos(fromLine, cutFront); - var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0); - if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { - replaceRange(cm.doc, newText, chFrom, chTo, "+input"); - return true - } -}; - -ContentEditableInput.prototype.ensurePolled = function () { - this.forceCompositionEnd(); -}; -ContentEditableInput.prototype.reset = function () { - this.forceCompositionEnd(); -}; -ContentEditableInput.prototype.forceCompositionEnd = function () { - if (!this.composing) { return } - clearTimeout(this.readDOMTimeout); - this.composing = null; - this.updateFromDOM(); - this.div.blur(); - this.div.focus(); -}; -ContentEditableInput.prototype.readFromDOMSoon = function () { - var this$1 = this; - - if (this.readDOMTimeout != null) { return } - this.readDOMTimeout = setTimeout(function () { - this$1.readDOMTimeout = null; - if (this$1.composing) { - if (this$1.composing.done) { this$1.composing = null; } - else { return } - } - this$1.updateFromDOM(); - }, 80); -}; - -ContentEditableInput.prototype.updateFromDOM = function () { - var this$1 = this; - - if (this.cm.isReadOnly() || !this.pollContent()) - { runInOp(this.cm, function () { return regChange(this$1.cm); }); } -}; - -ContentEditableInput.prototype.setUneditable = function (node) { - node.contentEditable = "false"; -}; - -ContentEditableInput.prototype.onKeyPress = function (e) { - if (e.charCode == 0 || this.composing) { return } - e.preventDefault(); - if (!this.cm.isReadOnly()) - { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); } -}; - -ContentEditableInput.prototype.readOnlyChanged = function (val) { - this.div.contentEditable = String(val != "nocursor"); -}; - -ContentEditableInput.prototype.onContextMenu = function () {}; -ContentEditableInput.prototype.resetPosition = function () {}; - -ContentEditableInput.prototype.needsContentAttribute = true; - -function posToDOM(cm, pos) { - var view = findViewForLine(cm, pos.line); - if (!view || view.hidden) { return null } - var line = getLine(cm.doc, pos.line); - var info = mapFromLineView(view, line, pos.line); - - var order = getOrder(line, cm.doc.direction), side = "left"; - if (order) { - var partPos = getBidiPartAt(order, pos.ch); - side = partPos % 2 ? "right" : "left"; - } - var result = nodeAndOffsetInLineMap(info.map, pos.ch, side); - result.offset = result.collapse == "right" ? result.end : result.start; - return result -} - -function isInGutter(node) { - for (var scan = node; scan; scan = scan.parentNode) - { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } } - return false -} - -function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos } - -function domTextBetween(cm, from, to, fromLine, toLine) { - var text = "", closing = false, lineSep = cm.doc.lineSeparator(), extraLinebreak = false; - function recognizeMarker(id) { return function (marker) { return marker.id == id; } } - function close() { - if (closing) { - text += lineSep; - if (extraLinebreak) { text += lineSep; } - closing = extraLinebreak = false; - } - } - function addText(str) { - if (str) { - close(); - text += str; - } - } - function walk(node) { - if (node.nodeType == 1) { - var cmText = node.getAttribute("cm-text"); - if (cmText) { - addText(cmText); - return - } - var markerID = node.getAttribute("cm-marker"), range$$1; - if (markerID) { - var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)); - if (found.length && (range$$1 = found[0].find(0))) - { addText(getBetween(cm.doc, range$$1.from, range$$1.to).join(lineSep)); } - return - } - if (node.getAttribute("contenteditable") == "false") { return } - var isBlock = /^(pre|div|p|li|table|br)$/i.test(node.nodeName); - if (!/^br$/i.test(node.nodeName) && node.textContent.length == 0) { return } - - if (isBlock) { close(); } - for (var i = 0; i < node.childNodes.length; i++) - { walk(node.childNodes[i]); } - - if (/^(pre|p)$/i.test(node.nodeName)) { extraLinebreak = true; } - if (isBlock) { closing = true; } - } else if (node.nodeType == 3) { - addText(node.nodeValue.replace(/\u200b/g, "").replace(/\u00a0/g, " ")); - } - } - for (;;) { - walk(from); - if (from == to) { break } - from = from.nextSibling; - extraLinebreak = false; - } - return text -} - -function domToPos(cm, node, offset) { - var lineNode; - if (node == cm.display.lineDiv) { - lineNode = cm.display.lineDiv.childNodes[offset]; - if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) } - node = null; offset = 0; - } else { - for (lineNode = node;; lineNode = lineNode.parentNode) { - if (!lineNode || lineNode == cm.display.lineDiv) { return null } - if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break } - } - } - for (var i = 0; i < cm.display.view.length; i++) { - var lineView = cm.display.view[i]; - if (lineView.node == lineNode) - { return locateNodeInLineView(lineView, node, offset) } - } -} - -function locateNodeInLineView(lineView, node, offset) { - var wrapper = lineView.text.firstChild, bad = false; - if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) } - if (node == wrapper) { - bad = true; - node = wrapper.childNodes[offset]; - offset = 0; - if (!node) { - var line = lineView.rest ? lst(lineView.rest) : lineView.line; - return badPos(Pos(lineNo(line), line.text.length), bad) - } - } - - var textNode = node.nodeType == 3 ? node : null, topNode = node; - if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { - textNode = node.firstChild; - if (offset) { offset = textNode.nodeValue.length; } - } - while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; } - var measure = lineView.measure, maps = measure.maps; - - function find(textNode, topNode, offset) { - for (var i = -1; i < (maps ? maps.length : 0); i++) { - var map$$1 = i < 0 ? measure.map : maps[i]; - for (var j = 0; j < map$$1.length; j += 3) { - var curNode = map$$1[j + 2]; - if (curNode == textNode || curNode == topNode) { - var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]); - var ch = map$$1[j] + offset; - if (offset < 0 || curNode != textNode) { ch = map$$1[j + (offset ? 1 : 0)]; } - return Pos(line, ch) - } - } - } - } - var found = find(textNode, topNode, offset); - if (found) { return badPos(found, bad) } - - // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems - for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { - found = find(after, after.firstChild, 0); - if (found) - { return badPos(Pos(found.line, found.ch - dist), bad) } + ContentEditableInput.prototype.receivedFocus = function () { + var input = this; + if (this.selectionInEditor()) + { this.pollSelection(); } else - { dist += after.textContent.length; } - } - for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) { - found = find(before, before.firstChild, -1); - if (found) - { return badPos(Pos(found.line, found.ch + dist$1), bad) } - else - { dist$1 += before.textContent.length; } - } -} + { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); } -// TEXTAREA INPUT STYLE + function poll() { + if (input.cm.state.focused) { + input.pollSelection(); + input.polling.set(input.cm.options.pollInterval, poll); + } + } + this.polling.set(this.cm.options.pollInterval, poll); + }; -var TextareaInput = function(cm) { - this.cm = cm; - // See input.poll and input.reset - this.prevInput = ""; + ContentEditableInput.prototype.selectionChanged = function () { + var sel = this.getSelection(); + return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || + sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset + }; - // Flag that indicates whether we expect input to appear real soon - // now (after some event like 'keypress' or 'input') and are - // polling intensively. - this.pollingFast = false; - // Self-resetting timeout for the poller - this.polling = new Delayed(); - // Used to work around IE issue with selection being forgotten when focus moves away from textarea - this.hasSelection = false; - this.composing = null; -}; - -TextareaInput.prototype.init = function (display) { - var this$1 = this; - - var input = this, cm = this.cm; - this.createField(display); - var te = this.textarea; - - display.wrapper.insertBefore(this.wrapper, display.wrapper.firstChild); - - // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) - if (ios) { te.style.width = "0px"; } - - on(te, "input", function () { - if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; } - input.poll(); - }); - - on(te, "paste", function (e) { - if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } - - cm.state.pasteIncoming = true; - input.fastPoll(); - }); - - function prepareCopyCut(e) { - if (signalDOMEvent(cm, e)) { return } - if (cm.somethingSelected()) { - setLastCopied({lineWise: false, text: cm.getSelections()}); - } else if (!cm.options.lineWiseCopyCut) { + ContentEditableInput.prototype.pollSelection = function () { + if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return } + var sel = this.getSelection(), cm = this.cm; + // On Android Chrome (version 56, at least), backspacing into an + // uneditable block element will put the cursor in that element, + // and then, because it's not editable, hide the virtual keyboard. + // Because Android doesn't allow us to actually detect backspace + // presses in a sane way, this code checks for when that happens + // and simulates a backspace press in this case. + if (android && chrome && this.cm.options.gutters.length && isInGutter(sel.anchorNode)) { + this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs}); + this.blur(); + this.focus(); return + } + if (this.composing) { return } + this.rememberSelection(); + var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); + var head = domToPos(cm, sel.focusNode, sel.focusOffset); + if (anchor && head) { runInOp(cm, function () { + setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll); + if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; } + }); } + }; + + ContentEditableInput.prototype.pollContent = function () { + if (this.readDOMTimeout != null) { + clearTimeout(this.readDOMTimeout); + this.readDOMTimeout = null; + } + + var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary(); + var from = sel.from(), to = sel.to(); + if (from.ch == 0 && from.line > cm.firstLine()) + { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); } + if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine()) + { to = Pos(to.line + 1, 0); } + if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false } + + var fromIndex, fromLine, fromNode; + if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { + fromLine = lineNo(display.view[0].line); + fromNode = display.view[0].node; } else { - var ranges = copyableRanges(cm); - setLastCopied({lineWise: true, text: ranges.text}); - if (e.type == "cut") { - cm.setSelections(ranges.ranges, null, sel_dontScroll); - } else { - input.prevInput = ""; - te.value = ranges.text.join("\n"); - selectInput(te); + fromLine = lineNo(display.view[fromIndex].line); + fromNode = display.view[fromIndex - 1].node.nextSibling; + } + var toIndex = findViewIndex(cm, to.line); + var toLine, toNode; + if (toIndex == display.view.length - 1) { + toLine = display.viewTo - 1; + toNode = display.lineDiv.lastChild; + } else { + toLine = lineNo(display.view[toIndex + 1].line) - 1; + toNode = display.view[toIndex + 1].node.previousSibling; + } + + if (!fromNode) { return false } + var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)); + var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)); + while (newText.length > 1 && oldText.length > 1) { + if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; } + else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; } + else { break } + } + + var cutFront = 0, cutEnd = 0; + var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length); + while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) + { ++cutFront; } + var newBot = lst(newText), oldBot = lst(oldText); + var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), + oldBot.length - (oldText.length == 1 ? cutFront : 0)); + while (cutEnd < maxCutEnd && + newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) + { ++cutEnd; } + // Try to move start of change to start of selection if ambiguous + if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) { + while (cutFront && cutFront > from.ch && + newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) { + cutFront--; + cutEnd++; } } - if (e.type == "cut") { cm.state.cutIncoming = true; } - } - on(te, "cut", prepareCopyCut); - on(te, "copy", prepareCopyCut); - on(display.scroller, "paste", function (e) { - if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return } - cm.state.pasteIncoming = true; - input.focus(); - }); + newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, ""); + newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, ""); - // Prevent normal selection in the editor (we handle our own) - on(display.lineSpace, "selectstart", function (e) { - if (!eventInWidget(display, e)) { e_preventDefault(e); } - }); - - on(te, "compositionstart", function () { - var start = cm.getCursor("from"); - if (input.composing) { input.composing.range.clear(); } - input.composing = { - start: start, - range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) - }; - }); - on(te, "compositionend", function () { - if (input.composing) { - input.poll(); - input.composing.range.clear(); - input.composing = null; + var chFrom = Pos(fromLine, cutFront); + var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0); + if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { + replaceRange(cm.doc, newText, chFrom, chTo, "+input"); + return true } - }); -}; + }; -TextareaInput.prototype.createField = function (_display) { - // Wraps and hides input textarea - this.wrapper = hiddenTextarea(); - // The semihidden textarea that is focused when the editor is - // focused, and receives input. - this.textarea = this.wrapper.firstChild; -}; + ContentEditableInput.prototype.ensurePolled = function () { + this.forceCompositionEnd(); + }; + ContentEditableInput.prototype.reset = function () { + this.forceCompositionEnd(); + }; + ContentEditableInput.prototype.forceCompositionEnd = function () { + if (!this.composing) { return } + clearTimeout(this.readDOMTimeout); + this.composing = null; + this.updateFromDOM(); + this.div.blur(); + this.div.focus(); + }; + ContentEditableInput.prototype.readFromDOMSoon = function () { + var this$1 = this; -TextareaInput.prototype.prepareSelection = function () { - // Redraw the selection and/or cursor - var cm = this.cm, display = cm.display, doc = cm.doc; - var result = prepareSelection(cm); + if (this.readDOMTimeout != null) { return } + this.readDOMTimeout = setTimeout(function () { + this$1.readDOMTimeout = null; + if (this$1.composing) { + if (this$1.composing.done) { this$1.composing = null; } + else { return } + } + this$1.updateFromDOM(); + }, 80); + }; - // Move the hidden textarea near the cursor to prevent scrolling artifacts - if (cm.options.moveInputWithCursor) { - var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); - var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); - result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, - headPos.top + lineOff.top - wrapOff.top)); - result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, - headPos.left + lineOff.left - wrapOff.left)); + ContentEditableInput.prototype.updateFromDOM = function () { + var this$1 = this; + + if (this.cm.isReadOnly() || !this.pollContent()) + { runInOp(this.cm, function () { return regChange(this$1.cm); }); } + }; + + ContentEditableInput.prototype.setUneditable = function (node) { + node.contentEditable = "false"; + }; + + ContentEditableInput.prototype.onKeyPress = function (e) { + if (e.charCode == 0 || this.composing) { return } + e.preventDefault(); + if (!this.cm.isReadOnly()) + { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); } + }; + + ContentEditableInput.prototype.readOnlyChanged = function (val) { + this.div.contentEditable = String(val != "nocursor"); + }; + + ContentEditableInput.prototype.onContextMenu = function () {}; + ContentEditableInput.prototype.resetPosition = function () {}; + + ContentEditableInput.prototype.needsContentAttribute = true; + + function posToDOM(cm, pos) { + var view = findViewForLine(cm, pos.line); + if (!view || view.hidden) { return null } + var line = getLine(cm.doc, pos.line); + var info = mapFromLineView(view, line, pos.line); + + var order = getOrder(line, cm.doc.direction), side = "left"; + if (order) { + var partPos = getBidiPartAt(order, pos.ch); + side = partPos % 2 ? "right" : "left"; + } + var result = nodeAndOffsetInLineMap(info.map, pos.ch, side); + result.offset = result.collapse == "right" ? result.end : result.start; + return result } - return result -}; - -TextareaInput.prototype.showSelection = function (drawn) { - var cm = this.cm, display = cm.display; - removeChildrenAndAdd(display.cursorDiv, drawn.cursors); - removeChildrenAndAdd(display.selectionDiv, drawn.selection); - if (drawn.teTop != null) { - this.wrapper.style.top = drawn.teTop + "px"; - this.wrapper.style.left = drawn.teLeft + "px"; - } -}; - -// Reset the input to correspond to the selection (or to be empty, -// when not typing and nothing is selected) -TextareaInput.prototype.reset = function (typing) { - if (this.contextMenuPending || this.composing) { return } - var cm = this.cm; - if (cm.somethingSelected()) { - this.prevInput = ""; - var content = cm.getSelection(); - this.textarea.value = content; - if (cm.state.focused) { selectInput(this.textarea); } - if (ie && ie_version >= 9) { this.hasSelection = content; } - } else if (!typing) { - this.prevInput = this.textarea.value = ""; - if (ie && ie_version >= 9) { this.hasSelection = null; } - } -}; - -TextareaInput.prototype.getField = function () { return this.textarea }; - -TextareaInput.prototype.supportsTouch = function () { return false }; - -TextareaInput.prototype.focus = function () { - if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) { - try { this.textarea.focus(); } - catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM - } -}; - -TextareaInput.prototype.blur = function () { this.textarea.blur(); }; - -TextareaInput.prototype.resetPosition = function () { - this.wrapper.style.top = this.wrapper.style.left = 0; -}; - -TextareaInput.prototype.receivedFocus = function () { this.slowPoll(); }; - -// Poll for input changes, using the normal rate of polling. This -// runs as long as the editor is focused. -TextareaInput.prototype.slowPoll = function () { - var this$1 = this; - - if (this.pollingFast) { return } - this.polling.set(this.cm.options.pollInterval, function () { - this$1.poll(); - if (this$1.cm.state.focused) { this$1.slowPoll(); } - }); -}; - -// When an event has just come in that is likely to add or change -// something in the input textarea, we poll faster, to ensure that -// the change appears on the screen quickly. -TextareaInput.prototype.fastPoll = function () { - var missed = false, input = this; - input.pollingFast = true; - function p() { - var changed = input.poll(); - if (!changed && !missed) {missed = true; input.polling.set(60, p);} - else {input.pollingFast = false; input.slowPoll();} - } - input.polling.set(20, p); -}; - -// Read input from the textarea, and update the document to match. -// When something is selected, it is present in the textarea, and -// selected (unless it is huge, in which case a placeholder is -// used). When nothing is selected, the cursor sits after previously -// seen text (can be empty), which is stored in prevInput (we must -// not reset the textarea when typing, because that breaks IME). -TextareaInput.prototype.poll = function () { - var this$1 = this; - - var cm = this.cm, input = this.textarea, prevInput = this.prevInput; - // Since this is called a *lot*, try to bail out as cheaply as - // possible when it is clear that nothing happened. hasSelection - // will be the case when there is a lot of text in the textarea, - // in which case reading its value would be expensive. - if (this.contextMenuPending || !cm.state.focused || - (hasSelection(input) && !prevInput && !this.composing) || - cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq) - { return false } - - var text = input.value; - // If nothing changed, bail. - if (text == prevInput && !cm.somethingSelected()) { return false } - // Work around nonsensical selection resetting in IE9/10, and - // inexplicable appearance of private area unicode characters on - // some key combos in Mac (#2689). - if (ie && ie_version >= 9 && this.hasSelection === text || - mac && /[\uf700-\uf7ff]/.test(text)) { - cm.display.input.reset(); + function isInGutter(node) { + for (var scan = node; scan; scan = scan.parentNode) + { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } } return false } - if (cm.doc.sel == cm.display.selForContextMenu) { - var first = text.charCodeAt(0); - if (first == 0x200b && !prevInput) { prevInput = "\u200b"; } - if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") } - } - // Find the part of the input that is actually new - var same = 0, l = Math.min(prevInput.length, text.length); - while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; } + function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos } - runInOp(cm, function () { - applyTextInput(cm, text.slice(same), prevInput.length - same, - null, this$1.composing ? "*compose" : null); - - // Don't leave long text in the textarea, since it makes further polling slow - if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1.prevInput = ""; } - else { this$1.prevInput = text; } - - if (this$1.composing) { - this$1.composing.range.clear(); - this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"), - {className: "CodeMirror-composing"}); - } - }); - return true -}; - -TextareaInput.prototype.ensurePolled = function () { - if (this.pollingFast && this.poll()) { this.pollingFast = false; } -}; - -TextareaInput.prototype.onKeyPress = function () { - if (ie && ie_version >= 9) { this.hasSelection = null; } - this.fastPoll(); -}; - -TextareaInput.prototype.onContextMenu = function (e) { - var input = this, cm = input.cm, display = cm.display, te = input.textarea; - var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; - if (!pos || presto) { return } // Opera is difficult. - - // Reset the current text selection only if the click is done outside of the selection - // and 'resetSelectionOnContextMenu' option is true. - var reset = cm.options.resetSelectionOnContextMenu; - if (reset && cm.doc.sel.contains(pos) == -1) - { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); } - - var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText; - input.wrapper.style.cssText = "position: absolute"; - var wrapperBox = input.wrapper.getBoundingClientRect(); - te.style.cssText = "position: absolute; width: 30px; height: 30px;\n top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; - var oldScrollY; - if (webkit) { oldScrollY = window.scrollY; } // Work around Chrome issue (#2712) - display.input.focus(); - if (webkit) { window.scrollTo(null, oldScrollY); } - display.input.reset(); - // Adds "Select all" to context menu in FF - if (!cm.somethingSelected()) { te.value = input.prevInput = " "; } - input.contextMenuPending = true; - display.selForContextMenu = cm.doc.sel; - clearTimeout(display.detectingSelectAll); - - // Select-all will be greyed out if there's nothing to select, so - // this adds a zero-width space so that we can later check whether - // it got selected. - function prepareSelectAllHack() { - if (te.selectionStart != null) { - var selected = cm.somethingSelected(); - var extval = "\u200b" + (selected ? te.value : ""); - te.value = "\u21da"; // Used to catch context-menu undo - te.value = extval; - input.prevInput = selected ? "" : "\u200b"; - te.selectionStart = 1; te.selectionEnd = extval.length; - // Re-set this, in case some other handler touched the - // selection in the meantime. - display.selForContextMenu = cm.doc.sel; - } - } - function rehide() { - input.contextMenuPending = false; - input.wrapper.style.cssText = oldWrapperCSS; - te.style.cssText = oldCSS; - if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); } - - // Try to detect the user choosing select-all - if (te.selectionStart != null) { - if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); } - var i = 0, poll = function () { - if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && - te.selectionEnd > 0 && input.prevInput == "\u200b") { - operation(cm, selectAll)(cm); - } else if (i++ < 10) { - display.detectingSelectAll = setTimeout(poll, 500); - } else { - display.selForContextMenu = null; - display.input.reset(); - } - }; - display.detectingSelectAll = setTimeout(poll, 200); - } - } - - if (ie && ie_version >= 9) { prepareSelectAllHack(); } - if (captureRightClick) { - e_stop(e); - var mouseup = function () { - off(window, "mouseup", mouseup); - setTimeout(rehide, 20); - }; - on(window, "mouseup", mouseup); - } else { - setTimeout(rehide, 50); - } -}; - -TextareaInput.prototype.readOnlyChanged = function (val) { - if (!val) { this.reset(); } - this.textarea.disabled = val == "nocursor"; -}; - -TextareaInput.prototype.setUneditable = function () {}; - -TextareaInput.prototype.needsContentAttribute = false; - -function fromTextArea(textarea, options) { - options = options ? copyObj(options) : {}; - options.value = textarea.value; - if (!options.tabindex && textarea.tabIndex) - { options.tabindex = textarea.tabIndex; } - if (!options.placeholder && textarea.placeholder) - { options.placeholder = textarea.placeholder; } - // Set autofocus to true if this textarea is focused, or if it has - // autofocus and no other element is focused. - if (options.autofocus == null) { - var hasFocus = activeElt(); - options.autofocus = hasFocus == textarea || - textarea.getAttribute("autofocus") != null && hasFocus == document.body; - } - - function save() {textarea.value = cm.getValue();} - - var realSubmit; - if (textarea.form) { - on(textarea.form, "submit", save); - // Deplorable hack to make the submit method do the right thing. - if (!options.leaveSubmitMethodAlone) { - var form = textarea.form; - realSubmit = form.submit; - try { - var wrappedSubmit = form.submit = function () { - save(); - form.submit = realSubmit; - form.submit(); - form.submit = wrappedSubmit; - }; - } catch(e) {} - } - } - - options.finishInit = function (cm) { - cm.save = save; - cm.getTextArea = function () { return textarea; }; - cm.toTextArea = function () { - cm.toTextArea = isNaN; // Prevent this from being ran twice - save(); - textarea.parentNode.removeChild(cm.getWrapperElement()); - textarea.style.display = ""; - if (textarea.form) { - off(textarea.form, "submit", save); - if (typeof textarea.form.submit == "function") - { textarea.form.submit = realSubmit; } + function domTextBetween(cm, from, to, fromLine, toLine) { + var text = "", closing = false, lineSep = cm.doc.lineSeparator(), extraLinebreak = false; + function recognizeMarker(id) { return function (marker) { return marker.id == id; } } + function close() { + if (closing) { + text += lineSep; + if (extraLinebreak) { text += lineSep; } + closing = extraLinebreak = false; } - }; + } + function addText(str) { + if (str) { + close(); + text += str; + } + } + function walk(node) { + if (node.nodeType == 1) { + var cmText = node.getAttribute("cm-text"); + if (cmText) { + addText(cmText); + return + } + var markerID = node.getAttribute("cm-marker"), range$$1; + if (markerID) { + var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)); + if (found.length && (range$$1 = found[0].find(0))) + { addText(getBetween(cm.doc, range$$1.from, range$$1.to).join(lineSep)); } + return + } + if (node.getAttribute("contenteditable") == "false") { return } + var isBlock = /^(pre|div|p|li|table|br)$/i.test(node.nodeName); + if (!/^br$/i.test(node.nodeName) && node.textContent.length == 0) { return } + + if (isBlock) { close(); } + for (var i = 0; i < node.childNodes.length; i++) + { walk(node.childNodes[i]); } + + if (/^(pre|p)$/i.test(node.nodeName)) { extraLinebreak = true; } + if (isBlock) { closing = true; } + } else if (node.nodeType == 3) { + addText(node.nodeValue.replace(/\u200b/g, "").replace(/\u00a0/g, " ")); + } + } + for (;;) { + walk(from); + if (from == to) { break } + from = from.nextSibling; + extraLinebreak = false; + } + return text + } + + function domToPos(cm, node, offset) { + var lineNode; + if (node == cm.display.lineDiv) { + lineNode = cm.display.lineDiv.childNodes[offset]; + if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) } + node = null; offset = 0; + } else { + for (lineNode = node;; lineNode = lineNode.parentNode) { + if (!lineNode || lineNode == cm.display.lineDiv) { return null } + if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break } + } + } + for (var i = 0; i < cm.display.view.length; i++) { + var lineView = cm.display.view[i]; + if (lineView.node == lineNode) + { return locateNodeInLineView(lineView, node, offset) } + } + } + + function locateNodeInLineView(lineView, node, offset) { + var wrapper = lineView.text.firstChild, bad = false; + if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) } + if (node == wrapper) { + bad = true; + node = wrapper.childNodes[offset]; + offset = 0; + if (!node) { + var line = lineView.rest ? lst(lineView.rest) : lineView.line; + return badPos(Pos(lineNo(line), line.text.length), bad) + } + } + + var textNode = node.nodeType == 3 ? node : null, topNode = node; + if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { + textNode = node.firstChild; + if (offset) { offset = textNode.nodeValue.length; } + } + while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; } + var measure = lineView.measure, maps = measure.maps; + + function find(textNode, topNode, offset) { + for (var i = -1; i < (maps ? maps.length : 0); i++) { + var map$$1 = i < 0 ? measure.map : maps[i]; + for (var j = 0; j < map$$1.length; j += 3) { + var curNode = map$$1[j + 2]; + if (curNode == textNode || curNode == topNode) { + var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]); + var ch = map$$1[j] + offset; + if (offset < 0 || curNode != textNode) { ch = map$$1[j + (offset ? 1 : 0)]; } + return Pos(line, ch) + } + } + } + } + var found = find(textNode, topNode, offset); + if (found) { return badPos(found, bad) } + + // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems + for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { + found = find(after, after.firstChild, 0); + if (found) + { return badPos(Pos(found.line, found.ch - dist), bad) } + else + { dist += after.textContent.length; } + } + for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) { + found = find(before, before.firstChild, -1); + if (found) + { return badPos(Pos(found.line, found.ch + dist$1), bad) } + else + { dist$1 += before.textContent.length; } + } + } + + // TEXTAREA INPUT STYLE + + var TextareaInput = function(cm) { + this.cm = cm; + // See input.poll and input.reset + this.prevInput = ""; + + // Flag that indicates whether we expect input to appear real soon + // now (after some event like 'keypress' or 'input') and are + // polling intensively. + this.pollingFast = false; + // Self-resetting timeout for the poller + this.polling = new Delayed(); + // Used to work around IE issue with selection being forgotten when focus moves away from textarea + this.hasSelection = false; + this.composing = null; }; - textarea.style.display = "none"; - var cm = CodeMirror(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); }, - options); - return cm -} + TextareaInput.prototype.init = function (display) { + var this$1 = this; -function addLegacyProps(CodeMirror) { - CodeMirror.off = off; - CodeMirror.on = on; - CodeMirror.wheelEventPixels = wheelEventPixels; - CodeMirror.Doc = Doc; - CodeMirror.splitLines = splitLinesAuto; - CodeMirror.countColumn = countColumn; - CodeMirror.findColumn = findColumn; - CodeMirror.isWordChar = isWordCharBasic; - CodeMirror.Pass = Pass; - CodeMirror.signal = signal; - CodeMirror.Line = Line; - CodeMirror.changeEnd = changeEnd; - CodeMirror.scrollbarModel = scrollbarModel; - CodeMirror.Pos = Pos; - CodeMirror.cmpPos = cmp; - CodeMirror.modes = modes; - CodeMirror.mimeModes = mimeModes; - CodeMirror.resolveMode = resolveMode; - CodeMirror.getMode = getMode; - CodeMirror.modeExtensions = modeExtensions; - CodeMirror.extendMode = extendMode; - CodeMirror.copyState = copyState; - CodeMirror.startState = startState; - CodeMirror.innerMode = innerMode; - CodeMirror.commands = commands; - CodeMirror.keyMap = keyMap; - CodeMirror.keyName = keyName; - CodeMirror.isModifierKey = isModifierKey; - CodeMirror.lookupKey = lookupKey; - CodeMirror.normalizeKeyMap = normalizeKeyMap; - CodeMirror.StringStream = StringStream; - CodeMirror.SharedTextMarker = SharedTextMarker; - CodeMirror.TextMarker = TextMarker; - CodeMirror.LineWidget = LineWidget; - CodeMirror.e_preventDefault = e_preventDefault; - CodeMirror.e_stopPropagation = e_stopPropagation; - CodeMirror.e_stop = e_stop; - CodeMirror.addClass = addClass; - CodeMirror.contains = contains; - CodeMirror.rmClass = rmClass; - CodeMirror.keyNames = keyNames; -} + var input = this, cm = this.cm; + this.createField(display); + var te = this.textarea; -// EDITOR CONSTRUCTOR + display.wrapper.insertBefore(this.wrapper, display.wrapper.firstChild); -defineOptions(CodeMirror); + // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) + if (ios) { te.style.width = "0px"; } -addEditorMethods(CodeMirror); + on(te, "input", function () { + if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; } + input.poll(); + }); -// Set up methods on CodeMirror's prototype to redirect to the editor's document. -var dontDelegate = "iter insert remove copy getEditor constructor".split(" "); -for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) - { CodeMirror.prototype[prop] = (function(method) { - return function() {return method.apply(this.doc, arguments)} - })(Doc.prototype[prop]); } } + on(te, "paste", function (e) { + if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } -eventMixin(Doc); + cm.state.pasteIncoming = true; + input.fastPoll(); + }); -// INPUT HANDLING + function prepareCopyCut(e) { + if (signalDOMEvent(cm, e)) { return } + if (cm.somethingSelected()) { + setLastCopied({lineWise: false, text: cm.getSelections()}); + } else if (!cm.options.lineWiseCopyCut) { + return + } else { + var ranges = copyableRanges(cm); + setLastCopied({lineWise: true, text: ranges.text}); + if (e.type == "cut") { + cm.setSelections(ranges.ranges, null, sel_dontScroll); + } else { + input.prevInput = ""; + te.value = ranges.text.join("\n"); + selectInput(te); + } + } + if (e.type == "cut") { cm.state.cutIncoming = true; } + } + on(te, "cut", prepareCopyCut); + on(te, "copy", prepareCopyCut); -CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput}; + on(display.scroller, "paste", function (e) { + if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return } + cm.state.pasteIncoming = true; + input.focus(); + }); -// MODE DEFINITION AND QUERYING + // Prevent normal selection in the editor (we handle our own) + on(display.lineSpace, "selectstart", function (e) { + if (!eventInWidget(display, e)) { e_preventDefault(e); } + }); -// Extra arguments are stored as the mode's dependencies, which is -// used by (legacy) mechanisms like loadmode.js to automatically -// load a mode. (Preferred mechanism is the require/define calls.) -CodeMirror.defineMode = function(name/*, mode, …*/) { - if (!CodeMirror.defaults.mode && name != "null") { CodeMirror.defaults.mode = name; } - defineMode.apply(this, arguments); -}; + on(te, "compositionstart", function () { + var start = cm.getCursor("from"); + if (input.composing) { input.composing.range.clear(); } + input.composing = { + start: start, + range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) + }; + }); + on(te, "compositionend", function () { + if (input.composing) { + input.poll(); + input.composing.range.clear(); + input.composing = null; + } + }); + }; -CodeMirror.defineMIME = defineMIME; + TextareaInput.prototype.createField = function (_display) { + // Wraps and hides input textarea + this.wrapper = hiddenTextarea(); + // The semihidden textarea that is focused when the editor is + // focused, and receives input. + this.textarea = this.wrapper.firstChild; + }; -// Minimal default mode. -CodeMirror.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); }); -CodeMirror.defineMIME("text/plain", "null"); + TextareaInput.prototype.prepareSelection = function () { + // Redraw the selection and/or cursor + var cm = this.cm, display = cm.display, doc = cm.doc; + var result = prepareSelection(cm); -// EXTENSIONS + // Move the hidden textarea near the cursor to prevent scrolling artifacts + if (cm.options.moveInputWithCursor) { + var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); + var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); + result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, + headPos.top + lineOff.top - wrapOff.top)); + result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, + headPos.left + lineOff.left - wrapOff.left)); + } -CodeMirror.defineExtension = function (name, func) { - CodeMirror.prototype[name] = func; -}; -CodeMirror.defineDocExtension = function (name, func) { - Doc.prototype[name] = func; -}; + return result + }; -CodeMirror.fromTextArea = fromTextArea; + TextareaInput.prototype.showSelection = function (drawn) { + var cm = this.cm, display = cm.display; + removeChildrenAndAdd(display.cursorDiv, drawn.cursors); + removeChildrenAndAdd(display.selectionDiv, drawn.selection); + if (drawn.teTop != null) { + this.wrapper.style.top = drawn.teTop + "px"; + this.wrapper.style.left = drawn.teLeft + "px"; + } + }; -addLegacyProps(CodeMirror); + // Reset the input to correspond to the selection (or to be empty, + // when not typing and nothing is selected) + TextareaInput.prototype.reset = function (typing) { + if (this.contextMenuPending || this.composing) { return } + var cm = this.cm; + if (cm.somethingSelected()) { + this.prevInput = ""; + var content = cm.getSelection(); + this.textarea.value = content; + if (cm.state.focused) { selectInput(this.textarea); } + if (ie && ie_version >= 9) { this.hasSelection = content; } + } else if (!typing) { + this.prevInput = this.textarea.value = ""; + if (ie && ie_version >= 9) { this.hasSelection = null; } + } + }; -CodeMirror.version = "5.40.0"; + TextareaInput.prototype.getField = function () { return this.textarea }; -return CodeMirror; + TextareaInput.prototype.supportsTouch = function () { return false }; + + TextareaInput.prototype.focus = function () { + if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) { + try { this.textarea.focus(); } + catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM + } + }; + + TextareaInput.prototype.blur = function () { this.textarea.blur(); }; + + TextareaInput.prototype.resetPosition = function () { + this.wrapper.style.top = this.wrapper.style.left = 0; + }; + + TextareaInput.prototype.receivedFocus = function () { this.slowPoll(); }; + + // Poll for input changes, using the normal rate of polling. This + // runs as long as the editor is focused. + TextareaInput.prototype.slowPoll = function () { + var this$1 = this; + + if (this.pollingFast) { return } + this.polling.set(this.cm.options.pollInterval, function () { + this$1.poll(); + if (this$1.cm.state.focused) { this$1.slowPoll(); } + }); + }; + + // When an event has just come in that is likely to add or change + // something in the input textarea, we poll faster, to ensure that + // the change appears on the screen quickly. + TextareaInput.prototype.fastPoll = function () { + var missed = false, input = this; + input.pollingFast = true; + function p() { + var changed = input.poll(); + if (!changed && !missed) {missed = true; input.polling.set(60, p);} + else {input.pollingFast = false; input.slowPoll();} + } + input.polling.set(20, p); + }; + + // Read input from the textarea, and update the document to match. + // When something is selected, it is present in the textarea, and + // selected (unless it is huge, in which case a placeholder is + // used). When nothing is selected, the cursor sits after previously + // seen text (can be empty), which is stored in prevInput (we must + // not reset the textarea when typing, because that breaks IME). + TextareaInput.prototype.poll = function () { + var this$1 = this; + + var cm = this.cm, input = this.textarea, prevInput = this.prevInput; + // Since this is called a *lot*, try to bail out as cheaply as + // possible when it is clear that nothing happened. hasSelection + // will be the case when there is a lot of text in the textarea, + // in which case reading its value would be expensive. + if (this.contextMenuPending || !cm.state.focused || + (hasSelection(input) && !prevInput && !this.composing) || + cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq) + { return false } + + var text = input.value; + // If nothing changed, bail. + if (text == prevInput && !cm.somethingSelected()) { return false } + // Work around nonsensical selection resetting in IE9/10, and + // inexplicable appearance of private area unicode characters on + // some key combos in Mac (#2689). + if (ie && ie_version >= 9 && this.hasSelection === text || + mac && /[\uf700-\uf7ff]/.test(text)) { + cm.display.input.reset(); + return false + } + + if (cm.doc.sel == cm.display.selForContextMenu) { + var first = text.charCodeAt(0); + if (first == 0x200b && !prevInput) { prevInput = "\u200b"; } + if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") } + } + // Find the part of the input that is actually new + var same = 0, l = Math.min(prevInput.length, text.length); + while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; } + + runInOp(cm, function () { + applyTextInput(cm, text.slice(same), prevInput.length - same, + null, this$1.composing ? "*compose" : null); + + // Don't leave long text in the textarea, since it makes further polling slow + if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1.prevInput = ""; } + else { this$1.prevInput = text; } + + if (this$1.composing) { + this$1.composing.range.clear(); + this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"), + {className: "CodeMirror-composing"}); + } + }); + return true + }; + + TextareaInput.prototype.ensurePolled = function () { + if (this.pollingFast && this.poll()) { this.pollingFast = false; } + }; + + TextareaInput.prototype.onKeyPress = function () { + if (ie && ie_version >= 9) { this.hasSelection = null; } + this.fastPoll(); + }; + + TextareaInput.prototype.onContextMenu = function (e) { + var input = this, cm = input.cm, display = cm.display, te = input.textarea; + var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; + if (!pos || presto) { return } // Opera is difficult. + + // Reset the current text selection only if the click is done outside of the selection + // and 'resetSelectionOnContextMenu' option is true. + var reset = cm.options.resetSelectionOnContextMenu; + if (reset && cm.doc.sel.contains(pos) == -1) + { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); } + + var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText; + input.wrapper.style.cssText = "position: absolute"; + var wrapperBox = input.wrapper.getBoundingClientRect(); + te.style.cssText = "position: absolute; width: 30px; height: 30px;\n top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; + var oldScrollY; + if (webkit) { oldScrollY = window.scrollY; } // Work around Chrome issue (#2712) + display.input.focus(); + if (webkit) { window.scrollTo(null, oldScrollY); } + display.input.reset(); + // Adds "Select all" to context menu in FF + if (!cm.somethingSelected()) { te.value = input.prevInput = " "; } + input.contextMenuPending = true; + display.selForContextMenu = cm.doc.sel; + clearTimeout(display.detectingSelectAll); + + // Select-all will be greyed out if there's nothing to select, so + // this adds a zero-width space so that we can later check whether + // it got selected. + function prepareSelectAllHack() { + if (te.selectionStart != null) { + var selected = cm.somethingSelected(); + var extval = "\u200b" + (selected ? te.value : ""); + te.value = "\u21da"; // Used to catch context-menu undo + te.value = extval; + input.prevInput = selected ? "" : "\u200b"; + te.selectionStart = 1; te.selectionEnd = extval.length; + // Re-set this, in case some other handler touched the + // selection in the meantime. + display.selForContextMenu = cm.doc.sel; + } + } + function rehide() { + input.contextMenuPending = false; + input.wrapper.style.cssText = oldWrapperCSS; + te.style.cssText = oldCSS; + if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); } + + // Try to detect the user choosing select-all + if (te.selectionStart != null) { + if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); } + var i = 0, poll = function () { + if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && + te.selectionEnd > 0 && input.prevInput == "\u200b") { + operation(cm, selectAll)(cm); + } else if (i++ < 10) { + display.detectingSelectAll = setTimeout(poll, 500); + } else { + display.selForContextMenu = null; + display.input.reset(); + } + }; + display.detectingSelectAll = setTimeout(poll, 200); + } + } + + if (ie && ie_version >= 9) { prepareSelectAllHack(); } + if (captureRightClick) { + e_stop(e); + var mouseup = function () { + off(window, "mouseup", mouseup); + setTimeout(rehide, 20); + }; + on(window, "mouseup", mouseup); + } else { + setTimeout(rehide, 50); + } + }; + + TextareaInput.prototype.readOnlyChanged = function (val) { + if (!val) { this.reset(); } + this.textarea.disabled = val == "nocursor"; + }; + + TextareaInput.prototype.setUneditable = function () {}; + + TextareaInput.prototype.needsContentAttribute = false; + + function fromTextArea(textarea, options) { + options = options ? copyObj(options) : {}; + options.value = textarea.value; + if (!options.tabindex && textarea.tabIndex) + { options.tabindex = textarea.tabIndex; } + if (!options.placeholder && textarea.placeholder) + { options.placeholder = textarea.placeholder; } + // Set autofocus to true if this textarea is focused, or if it has + // autofocus and no other element is focused. + if (options.autofocus == null) { + var hasFocus = activeElt(); + options.autofocus = hasFocus == textarea || + textarea.getAttribute("autofocus") != null && hasFocus == document.body; + } + + function save() {textarea.value = cm.getValue();} + + var realSubmit; + if (textarea.form) { + on(textarea.form, "submit", save); + // Deplorable hack to make the submit method do the right thing. + if (!options.leaveSubmitMethodAlone) { + var form = textarea.form; + realSubmit = form.submit; + try { + var wrappedSubmit = form.submit = function () { + save(); + form.submit = realSubmit; + form.submit(); + form.submit = wrappedSubmit; + }; + } catch(e) {} + } + } + + options.finishInit = function (cm) { + cm.save = save; + cm.getTextArea = function () { return textarea; }; + cm.toTextArea = function () { + cm.toTextArea = isNaN; // Prevent this from being ran twice + save(); + textarea.parentNode.removeChild(cm.getWrapperElement()); + textarea.style.display = ""; + if (textarea.form) { + off(textarea.form, "submit", save); + if (typeof textarea.form.submit == "function") + { textarea.form.submit = realSubmit; } + } + }; + }; + + textarea.style.display = "none"; + var cm = CodeMirror(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); }, + options); + return cm + } + + function addLegacyProps(CodeMirror) { + CodeMirror.off = off; + CodeMirror.on = on; + CodeMirror.wheelEventPixels = wheelEventPixels; + CodeMirror.Doc = Doc; + CodeMirror.splitLines = splitLinesAuto; + CodeMirror.countColumn = countColumn; + CodeMirror.findColumn = findColumn; + CodeMirror.isWordChar = isWordCharBasic; + CodeMirror.Pass = Pass; + CodeMirror.signal = signal; + CodeMirror.Line = Line; + CodeMirror.changeEnd = changeEnd; + CodeMirror.scrollbarModel = scrollbarModel; + CodeMirror.Pos = Pos; + CodeMirror.cmpPos = cmp; + CodeMirror.modes = modes; + CodeMirror.mimeModes = mimeModes; + CodeMirror.resolveMode = resolveMode; + CodeMirror.getMode = getMode; + CodeMirror.modeExtensions = modeExtensions; + CodeMirror.extendMode = extendMode; + CodeMirror.copyState = copyState; + CodeMirror.startState = startState; + CodeMirror.innerMode = innerMode; + CodeMirror.commands = commands; + CodeMirror.keyMap = keyMap; + CodeMirror.keyName = keyName; + CodeMirror.isModifierKey = isModifierKey; + CodeMirror.lookupKey = lookupKey; + CodeMirror.normalizeKeyMap = normalizeKeyMap; + CodeMirror.StringStream = StringStream; + CodeMirror.SharedTextMarker = SharedTextMarker; + CodeMirror.TextMarker = TextMarker; + CodeMirror.LineWidget = LineWidget; + CodeMirror.e_preventDefault = e_preventDefault; + CodeMirror.e_stopPropagation = e_stopPropagation; + CodeMirror.e_stop = e_stop; + CodeMirror.addClass = addClass; + CodeMirror.contains = contains; + CodeMirror.rmClass = rmClass; + CodeMirror.keyNames = keyNames; + } + + // EDITOR CONSTRUCTOR + + defineOptions(CodeMirror); + + addEditorMethods(CodeMirror); + + // Set up methods on CodeMirror's prototype to redirect to the editor's document. + var dontDelegate = "iter insert remove copy getEditor constructor".split(" "); + for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) + { CodeMirror.prototype[prop] = (function(method) { + return function() {return method.apply(this.doc, arguments)} + })(Doc.prototype[prop]); } } + + eventMixin(Doc); + CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput}; + + // Extra arguments are stored as the mode's dependencies, which is + // used by (legacy) mechanisms like loadmode.js to automatically + // load a mode. (Preferred mechanism is the require/define calls.) + CodeMirror.defineMode = function(name/*, mode, …*/) { + if (!CodeMirror.defaults.mode && name != "null") { CodeMirror.defaults.mode = name; } + defineMode.apply(this, arguments); + }; + + CodeMirror.defineMIME = defineMIME; + + // Minimal default mode. + CodeMirror.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); }); + CodeMirror.defineMIME("text/plain", "null"); + + // EXTENSIONS + + CodeMirror.defineExtension = function (name, func) { + CodeMirror.prototype[name] = func; + }; + CodeMirror.defineDocExtension = function (name, func) { + Doc.prototype[name] = func; + }; + + CodeMirror.fromTextArea = fromTextArea; + + addLegacyProps(CodeMirror); + + CodeMirror.version = "5.41.0"; + + return CodeMirror; }))); diff --git a/vendor/codemirror/mode/css/css.js b/vendor/codemirror/mode/css/css.js index 8b572290..22b463c9 100644 --- a/vendor/codemirror/mode/css/css.js +++ b/vendor/codemirror/mode/css/css.js @@ -501,7 +501,7 @@ CodeMirror.defineMode("css", function(config, parserConfig) { "margin-bottom", "margin-left", "margin-right", "margin-top", "marks", "marquee-direction", "marquee-loop", "marquee-play-count", "marquee-speed", "marquee-style", "max-height", - "max-width", "min-height", "min-width", "move-to", "nav-down", "nav-index", + "max-width", "min-height", "min-width", "mix-blend-mode", "move-to", "nav-down", "nav-index", "nav-left", "nav-right", "nav-up", "object-fit", "object-position", "opacity", "order", "orphans", "outline", "outline-color", "outline-offset", "outline-style", "outline-width", diff --git a/vendor/codemirror/mode/javascript/javascript.js b/vendor/codemirror/mode/javascript/javascript.js index a31ffff8..b0a27ceb 100644 --- a/vendor/codemirror/mode/javascript/javascript.js +++ b/vendor/codemirror/mode/javascript/javascript.js @@ -644,7 +644,7 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(pattern) } if (type == "variable") { register(value); return cont(); } if (type == "spread") return cont(pattern); - if (type == "[") return contCommasep(pattern, "]"); + if (type == "[") return contCommasep(eltpattern, "]"); if (type == "{") return contCommasep(proppattern, "}"); } function proppattern(type, value) { @@ -657,6 +657,9 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { if (type == "}") return pass(); return cont(expect(":"), pattern, maybeAssign); } + function eltpattern() { + return pass(pattern, maybeAssign) + } function maybeAssign(_type, value) { if (value == "=") return cont(expressionNoComma); } diff --git a/vendor/codemirror/theme/gruvbox-dark.css b/vendor/codemirror/theme/gruvbox-dark.css index 01ca7bb7..ded215f5 100644 --- a/vendor/codemirror/theme/gruvbox-dark.css +++ b/vendor/codemirror/theme/gruvbox-dark.css @@ -12,7 +12,7 @@ .cm-s-gruvbox-dark .CodeMirror-linenumber {color: #7c6f64;} .cm-s-gruvbox-dark .CodeMirror-cursor { border-left: 1px solid #ebdbb2; } .cm-s-gruvbox-dark div.CodeMirror-selected { background: #928374; } -.cm-s-gruvbox-dark span.cm-meta { color: #808000; } +.cm-s-gruvbox-dark span.cm-meta { color: #83a598; } .cm-s-gruvbox-dark span.cm-comment { color: #928374; } .cm-s-gruvbox-dark span.cm-number, span.cm-atom { color: #d3869b; } @@ -20,15 +20,18 @@ .cm-s-gruvbox-dark span.cm-variable { color: #ebdbb2; } .cm-s-gruvbox-dark span.cm-variable-2 { color: #ebdbb2; } -.cm-s-gruvbox-dark span.cm-variable-3, .cm-s-gruvbox-dark span.cm-type { color: black; } +.cm-s-gruvbox-dark span.cm-variable-3, .cm-s-gruvbox-dark span.cm-type { color: #fabd2f; } .cm-s-gruvbox-dark span.cm-operator { color: #ebdbb2; } +.cm-s-gruvbox-dark span.cm-callee { color: #ebdbb2; } .cm-s-gruvbox-dark span.cm-def { color: #ebdbb2; } +.cm-s-gruvbox-dark span.cm-property { color: #ebdbb2; } .cm-s-gruvbox-dark span.cm-string { color: #b8bb26; } .cm-s-gruvbox-dark span.cm-string-2 { color: #8ec07c; } -.cm-s-gruvbox-dark span.cm-qualifier { color: #555; } +.cm-s-gruvbox-dark span.cm-qualifier { color: #8ec07c; } .cm-s-gruvbox-dark span.cm-attribute { color: #8ec07c; } .cm-s-gruvbox-dark .CodeMirror-activeline-background { background: #3c3836; } .cm-s-gruvbox-dark .CodeMirror-matchingbracket { background: #928374; color:#282828 !important; } .cm-s-gruvbox-dark span.cm-builtin { color: #fe8019; } +.cm-s-gruvbox-dark span.cm-tag { color: #fe8019; } From 5c6cf72a4cd397aedf677f530a09778964f4f6a3 Mon Sep 17 00:00:00 2001 From: Rob Garrison Date: Sat, 3 Nov 2018 12:58:39 -0500 Subject: [PATCH 3/4] 1.4.23 --- manifest.json | 2 +- package.json | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/manifest.json b/manifest.json index 2a6a3ad2..365ec27d 100644 --- a/manifest.json +++ b/manifest.json @@ -1,6 +1,6 @@ { "name": "Stylus", - "version": "1.4.22", + "version": "1.4.23", "minimum_chrome_version": "49", "description": "__MSG_description__", "homepage_url": "https://add0n.com/stylus.html", diff --git a/package.json b/package.json index 11141f0c..12a211c7 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "Stylus", - "version": "1.4.22", + "version": "1.4.23", "description": "Redesign the web with Stylus, a user styles manager", "license": "GPL-3.0-only", "repository": "openstyles/stylus", From 79c6506c5cf143c8de6973bb126614bc037df347 Mon Sep 17 00:00:00 2001 From: Matheus Faustino Date: Sat, 3 Nov 2018 15:33:35 -0300 Subject: [PATCH 4/4] Implement Dropbox export (#82) (#393) * Implement Dropbox export (#82) * Remove wrong dropbox api key * Improve implementation of Dropbox by using identity.launchWebAuthFlow api and get rid of web_accessible_resources * We don't need a dropbox receiver anymore, remove constante with the html file * Implement compression in dropbox export * Add LICENSE file from dropbox and zipjs * Fix code style error * Fix code style and folder structure of the feature * Fix eslint error in dropbox implementation * Add real dropbox api key from stylus dropbox account * For test only: fixed addon's ID on firefox * Change the file not found message to a better one * Add dropdown style on export and import buttons * Changes arrow from buttons to svg * Remove applications entry on manifest.json * Remove unnecessary break line --- _locales/en/messages.json | 33 + manage.html | 33 +- manage/manage.css | 48 + manifest.json | 1 + sync/compress-text.js | 41 + sync/cross-browser-functions.js | 24 + sync/import-export-dropbox.js | 163 + sync/vendor/dropbox/LICENSE | 20 + sync/vendor/dropbox/dropbox-sdk.js | 5190 ++++++++++++++++++++++++++++ sync/vendor/zipjs/LICENSE | 22 + sync/vendor/zipjs/deflate.js | 2060 +++++++++++ sync/vendor/zipjs/inflate.js | 2155 ++++++++++++ sync/vendor/zipjs/z-worker.js | 153 + sync/vendor/zipjs/zip.js | 966 ++++++ 14 files changed, 10907 insertions(+), 2 deletions(-) create mode 100644 sync/compress-text.js create mode 100644 sync/cross-browser-functions.js create mode 100644 sync/import-export-dropbox.js create mode 100755 sync/vendor/dropbox/LICENSE create mode 100644 sync/vendor/dropbox/dropbox-sdk.js create mode 100755 sync/vendor/zipjs/LICENSE create mode 100755 sync/vendor/zipjs/deflate.js create mode 100755 sync/vendor/zipjs/inflate.js create mode 100755 sync/vendor/zipjs/z-worker.js create mode 100755 sync/vendor/zipjs/zip.js diff --git a/_locales/en/messages.json b/_locales/en/messages.json index 1f2a3c1b..eae2663d 100644 --- a/_locales/en/messages.json +++ b/_locales/en/messages.json @@ -1294,5 +1294,38 @@ "writeStyleForURL": { "message": "this URL", "description": "Text for link in toolbar pop-up to write a new style for the current URL" + }, + "syncDropboxStyles": { + "message": "Dropbox Export" + }, + "retrieveDropboxSync": { + "message": "Dropbox Import" + }, + "overwriteFileExport": { + "message": "Do you want to overwrite an existing file?" + }, + "exportSavedSuccess": { + "message": "File saved with success" + }, + "noFileToImport": { + "message": "To import your styles, you should export it first." + }, + "connectingDropbox": { + "message": "Connecting Dropbox..." + }, + "gettingStyles": { + "message": "Getting all styles..." + }, + "zipStyles": { + "message": "Zipping styles..." + }, + "unzipStyles": { + "message": "Unzipping styles..." + }, + "readingStyles": { + "message": "Reading styles..." + }, + "uploadingFile": { + "message": "Uploading File..." } } diff --git a/manage.html b/manage.html index df581f3f..d9299c3a 100644 --- a/manage.html +++ b/manage.html @@ -161,10 +161,17 @@ + + + + + + + @@ -364,8 +371,30 @@

- - +
+ + +
+ + +
+
+ +
+ + +
+ + +
+
+
diff --git a/manage/manage.css b/manage/manage.css index eb037482..a2930c50 100644 --- a/manage/manage.css +++ b/manage/manage.css @@ -1047,6 +1047,54 @@ input[id^="manage.newUI"] { text-overflow: ellipsis; } +/* export/import buttons */ +#backup-buttons .dropbtn { + padding: 3px 7px; + cursor: pointer; + text-overflow: inherit; +} + +#backup-buttons .dropbtn span { + display: inline-block; + margin-right: 7px; +} + +#backup-buttons .dropdown { + position: relative; + display: inline-block; +} + +#backup-buttons .dropdown-content { + display: none; + position: absolute; + background-color: #f9f9f9; + min-width: 160px; + box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2); + z-index: 1; +} + +#backup-buttons .dropdown-content a { + color: black; + padding: 12px 16px; + text-decoration: none; + display: block; +} + +#backup-buttons .dropdown-content a:hover { + /* background-color: #f2f2f2 */ + background-color: #e9e9e9 +} + +#backup-buttons .dropdown:hover .dropdown-content { + display: block; +} + +#backup-buttons .dropdown:hover .dropbtn { + background-color: hsl(0, 0%, 95%); + border-color: hsl(0, 0%, 52%); + /* background-color: #3e8e41; */ +} + /* sort font */ @font-face { font-family: 'sorticon'; diff --git a/manifest.json b/manifest.json index 365ec27d..38036031 100644 --- a/manifest.json +++ b/manifest.json @@ -19,6 +19,7 @@ "contextMenus", "storage", "alarms", + "identity", "" ], "background": { diff --git a/sync/compress-text.js b/sync/compress-text.js new file mode 100644 index 00000000..13c2d6c6 --- /dev/null +++ b/sync/compress-text.js @@ -0,0 +1,41 @@ +/* global messageBox */ +/* global zip */ +'use strict'; + +onDOMready().then(() => { + zip.workerScriptsPath = '/sync/vendor/zipjs/'; +}); + +/** + * @param {String} filename + * @param {String} text content of the file as text + * @returns {Promise} resolves to a blob object representing the zip file + */ +function createZipFileFromText(filename, text) { + return new Promise((resolve, reject) => { + zip.createWriter(new zip.BlobWriter('application/zip'), writer => { + writer.add(filename, new zip.TextReader(text), function () { + writer.close(blob => { + resolve(blob); + }); + }); + }, reject); + }); +} + +/** + * @param {Object} blob object of zip file + * @returns {Promise} resolves to a string the content of the first file of the zip + */ +function readZipFileFromBlob(blob) { + return new Promise((resolve, reject) => { + zip.createReader(new zip.BlobReader(blob), zipReader => { + zipReader.getEntries(entries => { + entries[0].getData(new zip.BlobWriter('text/plain'), data => { + zipReader.close(); + resolve(data); + }); + }); + }, reject); + }); +} diff --git a/sync/cross-browser-functions.js b/sync/cross-browser-functions.js new file mode 100644 index 00000000..e570492a --- /dev/null +++ b/sync/cross-browser-functions.js @@ -0,0 +1,24 @@ +'use strict'; + +/** + * @returns {String} returns a redirect URL to be used in |launchWebAuthFlow| + */ +function getRedirectUrlAuthFlow() { + const browserApi = typeof browser === 'undefined' ? chrome : browser; + return browserApi.identity.getRedirectURL(); +} + +/** + * @param {Object} details based on chrome api + * @param {string} details.url url that initiates the auth flow + * @param {boolean} details.interactive if it is true a window will be displayed + * @return {Promise} returns the url containing the token for extraction + */ +function launchWebAuthFlow(details) { + if (typeof browser === 'undefined') { + return new Promise(resolve => { + chrome.identity.launchWebAuthFlow(details, resolve); + }); + } + return browser.identity.launchWebAuthFlow(details); +} diff --git a/sync/import-export-dropbox.js b/sync/import-export-dropbox.js new file mode 100644 index 00000000..9da70f19 --- /dev/null +++ b/sync/import-export-dropbox.js @@ -0,0 +1,163 @@ +/* global messageBox Dropbox createZipFileFromText readZipFileFromBlob launchWebAuthFlow getRedirectUrlAuthFlow importFromString resolve */ +'use strict'; + +const DROPBOX_API_KEY = 'zg52vphuapvpng9'; +const FILENAME_ZIP_FILE = 'stylus.json'; +const DROPBOX_FILE = 'stylus.zip'; +const API_ERROR_STATUS_FILE_NOT_FOUND = 409; +const HTTP_STATUS_CANCEL = 499; + +function messageProgressBar(data) { + return messageBox({ + title: `${data.title}`, + className: 'config-dialog', + contents: [ + $create('p', data.text) + ], + buttons: [{ + textContent: t('confirmClose'), + dataset: {cmd: 'close'}, + }], + }).then(() => { + document.body.style.minWidth = ''; + document.body.style.minHeight = ''; + }); +} + +function hasDropboxAccessToken() { + return chromeLocal.getValue('dropbox_access_token'); +} + +function requestDropboxAccessToken() { + const client = new Dropbox.Dropbox({clientId: DROPBOX_API_KEY}); + const authUrl = client.getAuthenticationUrl(getRedirectUrlAuthFlow()); + return launchWebAuthFlow({url: authUrl, interactive: true}) + .then(urlReturned => { + const params = new URLSearchParams(new URL(urlReturned).hash.replace('#', '')); + chromeLocal.setValue('dropbox_access_token', params.get('access_token')); + return params.get('access_token'); + }); +} + +function uploadFileDropbox(client, stylesText) { + return client.filesUpload({path: '/' + DROPBOX_FILE, contents: stylesText}); +} + +$('#sync-dropbox-export').onclick = () => { + const title = t('syncDropboxStyles'); + messageProgressBar({title: title, text: t('connectingDropbox')}); + + hasDropboxAccessToken() + .then(token => token || requestDropboxAccessToken()) + .then(token => { + const client = new Dropbox.Dropbox({ + clientId: DROPBOX_API_KEY, + accessToken: token + }); + return client.filesDownload({path: '/' + DROPBOX_FILE}) + .then(() => messageBox.confirm(t('overwriteFileExport'))) + .then(ok => { + // deletes file if user want to + if (!ok) { + return Promise.reject({status: HTTP_STATUS_CANCEL}); + } + return client.filesDelete({path: '/' + DROPBOX_FILE}); + }) + // file deleted with success, get styles and create a file + .then(() => { + messageProgressBar({title: title, text: t('gettingStyles')}); + return API.getStyles().then(styles => JSON.stringify(styles, null, '\t')); + }) + // create zip file + .then(stylesText => { + messageProgressBar({title: title, text: t('zipStyles')}); + return createZipFileFromText(FILENAME_ZIP_FILE, stylesText); + }) + // create file dropbox + .then(zipedText => { + messageProgressBar({title: title, text: t('uploadingFile')}); + return uploadFileDropbox(client, zipedText); + }) + // gives feedback to user + .then(() => messageProgressBar({title: title, text: t('exportSavedSuccess')})) + // handle not found cases and cancel action + .catch(error => { + console.log(error); + // saving file first time + if (error.status === API_ERROR_STATUS_FILE_NOT_FOUND) { + API.getStyles() + .then(styles => { + messageProgressBar({title: title, text: t('gettingStyles')}); + return JSON.stringify(styles, null, '\t'); + }) + .then(stylesText => { + messageProgressBar({title: title, text: t('zipStyles')}); + return createZipFileFromText(FILENAME_ZIP_FILE, stylesText); + }) + .then(zipedText => { + messageProgressBar({title: title, text: t('uploadingFile')}); + return uploadFileDropbox(client, zipedText); + }) + .then(() => messageProgressBar({title: title, text: t('exportSavedSuccess')})) + .catch(err => messageBox.alert(err)); + return; + } + + // user cancelled the flow + if (error.status === HTTP_STATUS_CANCEL) { + return; + } + + console.error(error); + }); + }); +}; + +$('#sync-dropbox-import').onclick = () => { + const title = t('retrieveDropboxSync'); + messageProgressBar({title: title, text: t('connectingDropbox')}); + + hasDropboxAccessToken() + .then(token => token || requestDropboxAccessToken()) + .then(token => { + const client = new Dropbox.Dropbox({ + clientId: DROPBOX_API_KEY, + accessToken: token + }); + return client.filesDownload({path: '/' + DROPBOX_FILE}) + .then(response => { + messageProgressBar({title: title, text: t('unzipStyles')}); + return readZipFileFromBlob(response.fileBlob); + }) + .then(zipedFileBlob => { + messageProgressBar({title: title, text: t('readingStyles')}); + document.body.style.cursor = 'wait'; + const fReader = new FileReader(); + fReader.onloadend = event => { + const text = event.target.result; + const maybeUsercss = !/^[\s\r\n]*\[/.test(text) && + (text.includes('==UserStyle==') || /==UserStyle==/i.test(text)); + (!maybeUsercss ? + importFromString(text) : + getOwnTab().then(tab => { + tab.url = URL.createObjectURL(new Blob([text], {type: 'text/css'})); + return API.installUsercss({direct: true, tab}) + .then(() => URL.revokeObjectURL(tab.url)); + }) + ).then(numStyles => { + document.body.style.cursor = ''; + resolve(numStyles); + }); + }; + fReader.readAsText(zipedFileBlob, 'utf-8'); + }) + .catch(error => { + // no file + if (error.status === API_ERROR_STATUS_FILE_NOT_FOUND) { + messageBox.alert(t('noFileToImport')); + return; + } + messageBox.alert(error); + }); + }); +}; diff --git a/sync/vendor/dropbox/LICENSE b/sync/vendor/dropbox/LICENSE new file mode 100755 index 00000000..c06e3c4a --- /dev/null +++ b/sync/vendor/dropbox/LICENSE @@ -0,0 +1,20 @@ +Copyright (c) 2016 Dropbox Inc., http://www.dropbox.com/ + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/sync/vendor/dropbox/dropbox-sdk.js b/sync/vendor/dropbox/dropbox-sdk.js new file mode 100644 index 00000000..3defc663 --- /dev/null +++ b/sync/vendor/dropbox/dropbox-sdk.js @@ -0,0 +1,5190 @@ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global.Dropbox = factory()); +}(this, (function () { 'use strict'; + +// Auto-generated by Stone, do not modify. +var routes = {}; + +/** + * Creates an OAuth 2.0 access token from the supplied OAuth 1.0 access token. + * @function Dropbox#authTokenFromOauth1 + * @arg {AuthTokenFromOAuth1Arg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.authTokenFromOauth1 = function (arg) { + return this.request('auth/token/from_oauth1', arg, 'app', 'api', 'rpc'); +}; + +/** + * Disables the access token used to authenticate the call. + * @function Dropbox#authTokenRevoke + * @arg {void} arg - The request parameters. + * @returns {Promise.>} + */ +routes.authTokenRevoke = function (arg) { + return this.request('auth/token/revoke', arg, 'user', 'api', 'rpc'); +}; + +/** + * Add property groups to a Dropbox file. See templates/add_for_user or + * templates/add_for_team to create new templates. + * @function Dropbox#filePropertiesPropertiesAdd + * @arg {FilePropertiesAddPropertiesArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesPropertiesAdd = function (arg) { + return this.request('file_properties/properties/add', arg, 'user', 'api', 'rpc'); +}; + +/** + * Overwrite property groups associated with a file. This endpoint should be + * used instead of properties/update when property groups are being updated via + * a "snapshot" instead of via a "delta". In other words, this endpoint will + * delete all omitted fields from a property group, whereas properties/update + * will only delete fields that are explicitly marked for deletion. + * @function Dropbox#filePropertiesPropertiesOverwrite + * @arg {FilePropertiesOverwritePropertyGroupArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesPropertiesOverwrite = function (arg) { + return this.request('file_properties/properties/overwrite', arg, 'user', 'api', 'rpc'); +}; + +/** + * Permanently removes the specified property group from the file. To remove + * specific property field key value pairs, see properties/update. To update a + * template, see templates/update_for_user or templates/update_for_team. To + * remove a template, see templates/remove_for_user or + * templates/remove_for_team. + * @function Dropbox#filePropertiesPropertiesRemove + * @arg {FilePropertiesRemovePropertiesArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesPropertiesRemove = function (arg) { + return this.request('file_properties/properties/remove', arg, 'user', 'api', 'rpc'); +}; + +/** + * Search across property templates for particular property field values. + * @function Dropbox#filePropertiesPropertiesSearch + * @arg {FilePropertiesPropertiesSearchArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesPropertiesSearch = function (arg) { + return this.request('file_properties/properties/search', arg, 'user', 'api', 'rpc'); +}; + +/** + * Once a cursor has been retrieved from properties/search, use this to paginate + * through all search results. + * @function Dropbox#filePropertiesPropertiesSearchContinue + * @arg {FilePropertiesPropertiesSearchContinueArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesPropertiesSearchContinue = function (arg) { + return this.request('file_properties/properties/search/continue', arg, 'user', 'api', 'rpc'); +}; + +/** + * Add, update or remove properties associated with the supplied file and + * templates. This endpoint should be used instead of properties/overwrite when + * property groups are being updated via a "delta" instead of via a "snapshot" . + * In other words, this endpoint will not delete any omitted fields from a + * property group, whereas properties/overwrite will delete any fields that are + * omitted from a property group. + * @function Dropbox#filePropertiesPropertiesUpdate + * @arg {FilePropertiesUpdatePropertiesArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesPropertiesUpdate = function (arg) { + return this.request('file_properties/properties/update', arg, 'user', 'api', 'rpc'); +}; + +/** + * Add a template associated with a team. See properties/add to add properties + * to a file or folder. Note: this endpoint will create team-owned templates. + * @function Dropbox#filePropertiesTemplatesAddForTeam + * @arg {FilePropertiesAddTemplateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesTemplatesAddForTeam = function (arg) { + return this.request('file_properties/templates/add_for_team', arg, 'team', 'api', 'rpc'); +}; + +/** + * Add a template associated with a user. See properties/add to add properties + * to a file. This endpoint can't be called on a team member or admin's behalf. + * @function Dropbox#filePropertiesTemplatesAddForUser + * @arg {FilePropertiesAddTemplateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesTemplatesAddForUser = function (arg) { + return this.request('file_properties/templates/add_for_user', arg, 'user', 'api', 'rpc'); +}; + +/** + * Get the schema for a specified template. + * @function Dropbox#filePropertiesTemplatesGetForTeam + * @arg {FilePropertiesGetTemplateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesTemplatesGetForTeam = function (arg) { + return this.request('file_properties/templates/get_for_team', arg, 'team', 'api', 'rpc'); +}; + +/** + * Get the schema for a specified template. This endpoint can't be called on a + * team member or admin's behalf. + * @function Dropbox#filePropertiesTemplatesGetForUser + * @arg {FilePropertiesGetTemplateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesTemplatesGetForUser = function (arg) { + return this.request('file_properties/templates/get_for_user', arg, 'user', 'api', 'rpc'); +}; + +/** + * Get the template identifiers for a team. To get the schema of each template + * use templates/get_for_team. + * @function Dropbox#filePropertiesTemplatesListForTeam + * @arg {void} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesTemplatesListForTeam = function (arg) { + return this.request('file_properties/templates/list_for_team', arg, 'team', 'api', 'rpc'); +}; + +/** + * Get the template identifiers for a team. To get the schema of each template + * use templates/get_for_user. This endpoint can't be called on a team member or + * admin's behalf. + * @function Dropbox#filePropertiesTemplatesListForUser + * @arg {void} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesTemplatesListForUser = function (arg) { + return this.request('file_properties/templates/list_for_user', arg, 'user', 'api', 'rpc'); +}; + +/** + * Permanently removes the specified template created from + * templates/add_for_user. All properties associated with the template will also + * be removed. This action cannot be undone. + * @function Dropbox#filePropertiesTemplatesRemoveForTeam + * @arg {FilePropertiesRemoveTemplateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesTemplatesRemoveForTeam = function (arg) { + return this.request('file_properties/templates/remove_for_team', arg, 'team', 'api', 'rpc'); +}; + +/** + * Permanently removes the specified template created from + * templates/add_for_user. All properties associated with the template will also + * be removed. This action cannot be undone. + * @function Dropbox#filePropertiesTemplatesRemoveForUser + * @arg {FilePropertiesRemoveTemplateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesTemplatesRemoveForUser = function (arg) { + return this.request('file_properties/templates/remove_for_user', arg, 'user', 'api', 'rpc'); +}; + +/** + * Update a template associated with a team. This route can update the template + * name, the template description and add optional properties to templates. + * @function Dropbox#filePropertiesTemplatesUpdateForTeam + * @arg {FilePropertiesUpdateTemplateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesTemplatesUpdateForTeam = function (arg) { + return this.request('file_properties/templates/update_for_team', arg, 'team', 'api', 'rpc'); +}; + +/** + * Update a template associated with a user. This route can update the template + * name, the template description and add optional properties to templates. This + * endpoint can't be called on a team member or admin's behalf. + * @function Dropbox#filePropertiesTemplatesUpdateForUser + * @arg {FilePropertiesUpdateTemplateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filePropertiesTemplatesUpdateForUser = function (arg) { + return this.request('file_properties/templates/update_for_user', arg, 'user', 'api', 'rpc'); +}; + +/** + * Creates a file request for this user. + * @function Dropbox#fileRequestsCreate + * @arg {FileRequestsCreateFileRequestArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.fileRequestsCreate = function (arg) { + return this.request('file_requests/create', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns the specified file request. + * @function Dropbox#fileRequestsGet + * @arg {FileRequestsGetFileRequestArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.fileRequestsGet = function (arg) { + return this.request('file_requests/get', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns a list of file requests owned by this user. For apps with the app + * folder permission, this will only return file requests with destinations in + * the app folder. + * @function Dropbox#fileRequestsList + * @arg {void} arg - The request parameters. + * @returns {Promise.>} + */ +routes.fileRequestsList = function (arg) { + return this.request('file_requests/list', arg, 'user', 'api', 'rpc'); +}; + +/** + * Update a file request. + * @function Dropbox#fileRequestsUpdate + * @arg {FileRequestsUpdateFileRequestArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.fileRequestsUpdate = function (arg) { + return this.request('file_requests/update', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns the metadata for a file or folder. This is an alpha endpoint + * compatible with the properties API. Note: Metadata for the root folder is + * unsupported. + * @function Dropbox#filesAlphaGetMetadata + * @deprecated + * @arg {FilesAlphaGetMetadataArg} arg - The request parameters. + * @returns {Promise.<(FilesFileMetadata|FilesFolderMetadata|FilesDeletedMetadata), Error.>} + */ +routes.filesAlphaGetMetadata = function (arg) { + return this.request('files/alpha/get_metadata', arg, 'user', 'api', 'rpc'); +}; + +/** + * Create a new file with the contents provided in the request. Note that this + * endpoint is part of the properties API alpha and is slightly different from + * upload. Do not use this to upload a file larger than 150 MB. Instead, create + * an upload session with upload_session/start. + * @function Dropbox#filesAlphaUpload + * @deprecated + * @arg {FilesCommitInfoWithProperties} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesAlphaUpload = function (arg) { + return this.request('files/alpha/upload', arg, 'user', 'content', 'upload'); +}; + +/** + * Copy a file or folder to a different location in the user's Dropbox. If the + * source path is a folder all its contents will be copied. + * @function Dropbox#filesCopy + * @deprecated + * @arg {FilesRelocationArg} arg - The request parameters. + * @returns {Promise.<(FilesFileMetadata|FilesFolderMetadata|FilesDeletedMetadata), Error.>} + */ +routes.filesCopy = function (arg) { + return this.request('files/copy', arg, 'user', 'api', 'rpc'); +}; + +/** + * Copy multiple files or folders to different locations at once in the user's + * Dropbox. If RelocationBatchArg.allow_shared_folder is false, this route is + * atomic. If on entry failes, the whole transaction will abort. If + * RelocationBatchArg.allow_shared_folder is true, not atomicity is guaranteed, + * but you will be able to copy the contents of shared folders to new locations. + * This route will return job ID immediately and do the async copy job in + * background. Please use copy_batch/check to check the job status. + * @function Dropbox#filesCopyBatch + * @arg {FilesRelocationBatchArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesCopyBatch = function (arg) { + return this.request('files/copy_batch', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns the status of an asynchronous job for copy_batch. If success, it + * returns list of results for each entry. + * @function Dropbox#filesCopyBatchCheck + * @arg {AsyncPollArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesCopyBatchCheck = function (arg) { + return this.request('files/copy_batch/check', arg, 'user', 'api', 'rpc'); +}; + +/** + * Get a copy reference to a file or folder. This reference string can be used + * to save that file or folder to another user's Dropbox by passing it to + * copy_reference/save. + * @function Dropbox#filesCopyReferenceGet + * @arg {FilesGetCopyReferenceArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesCopyReferenceGet = function (arg) { + return this.request('files/copy_reference/get', arg, 'user', 'api', 'rpc'); +}; + +/** + * Save a copy reference returned by copy_reference/get to the user's Dropbox. + * @function Dropbox#filesCopyReferenceSave + * @arg {FilesSaveCopyReferenceArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesCopyReferenceSave = function (arg) { + return this.request('files/copy_reference/save', arg, 'user', 'api', 'rpc'); +}; + +/** + * Copy a file or folder to a different location in the user's Dropbox. If the + * source path is a folder all its contents will be copied. + * @function Dropbox#filesCopyV2 + * @arg {FilesRelocationArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesCopyV2 = function (arg) { + return this.request('files/copy_v2', arg, 'user', 'api', 'rpc'); +}; + +/** + * Create a folder at a given path. + * @function Dropbox#filesCreateFolder + * @deprecated + * @arg {FilesCreateFolderArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesCreateFolder = function (arg) { + return this.request('files/create_folder', arg, 'user', 'api', 'rpc'); +}; + +/** + * Create multiple folders at once. This route is asynchronous for large + * batches, which returns a job ID immediately and runs the create folder batch + * asynchronously. Otherwise, creates the folders and returns the result + * synchronously for smaller inputs. You can force asynchronous behaviour by + * using the CreateFolderBatchArg.force_async flag. Use + * create_folder_batch/check to check the job status. + * @function Dropbox#filesCreateFolderBatch + * @arg {FilesCreateFolderBatchArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesCreateFolderBatch = function (arg) { + return this.request('files/create_folder_batch', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns the status of an asynchronous job for create_folder_batch. If + * success, it returns list of result for each entry. + * @function Dropbox#filesCreateFolderBatchCheck + * @arg {AsyncPollArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesCreateFolderBatchCheck = function (arg) { + return this.request('files/create_folder_batch/check', arg, 'user', 'api', 'rpc'); +}; + +/** + * Create a folder at a given path. + * @function Dropbox#filesCreateFolderV2 + * @arg {FilesCreateFolderArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesCreateFolderV2 = function (arg) { + return this.request('files/create_folder_v2', arg, 'user', 'api', 'rpc'); +}; + +/** + * Delete the file or folder at a given path. If the path is a folder, all its + * contents will be deleted too. A successful response indicates that the file + * or folder was deleted. The returned metadata will be the corresponding + * FileMetadata or FolderMetadata for the item at time of deletion, and not a + * DeletedMetadata object. + * @function Dropbox#filesDelete + * @deprecated + * @arg {FilesDeleteArg} arg - The request parameters. + * @returns {Promise.<(FilesFileMetadata|FilesFolderMetadata|FilesDeletedMetadata), Error.>} + */ +routes.filesDelete = function (arg) { + return this.request('files/delete', arg, 'user', 'api', 'rpc'); +}; + +/** + * Delete multiple files/folders at once. This route is asynchronous, which + * returns a job ID immediately and runs the delete batch asynchronously. Use + * delete_batch/check to check the job status. + * @function Dropbox#filesDeleteBatch + * @arg {FilesDeleteBatchArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesDeleteBatch = function (arg) { + return this.request('files/delete_batch', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns the status of an asynchronous job for delete_batch. If success, it + * returns list of result for each entry. + * @function Dropbox#filesDeleteBatchCheck + * @arg {AsyncPollArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesDeleteBatchCheck = function (arg) { + return this.request('files/delete_batch/check', arg, 'user', 'api', 'rpc'); +}; + +/** + * Delete the file or folder at a given path. If the path is a folder, all its + * contents will be deleted too. A successful response indicates that the file + * or folder was deleted. The returned metadata will be the corresponding + * FileMetadata or FolderMetadata for the item at time of deletion, and not a + * DeletedMetadata object. + * @function Dropbox#filesDeleteV2 + * @arg {FilesDeleteArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesDeleteV2 = function (arg) { + return this.request('files/delete_v2', arg, 'user', 'api', 'rpc'); +}; + +/** + * Download a file from a user's Dropbox. + * @function Dropbox#filesDownload + * @arg {FilesDownloadArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesDownload = function (arg) { + return this.request('files/download', arg, 'user', 'content', 'download'); +}; + +/** + * Download a folder from the user's Dropbox, as a zip file. The folder must be + * less than 1 GB in size and have fewer than 10,000 total files. The input + * cannot be a single file. + * @function Dropbox#filesDownloadZip + * @arg {FilesDownloadZipArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesDownloadZip = function (arg) { + return this.request('files/download_zip', arg, 'user', 'content', 'download'); +}; + +/** + * Returns the metadata for a file or folder. Note: Metadata for the root folder + * is unsupported. + * @function Dropbox#filesGetMetadata + * @arg {FilesGetMetadataArg} arg - The request parameters. + * @returns {Promise.<(FilesFileMetadata|FilesFolderMetadata|FilesDeletedMetadata), Error.>} + */ +routes.filesGetMetadata = function (arg) { + return this.request('files/get_metadata', arg, 'user', 'api', 'rpc'); +}; + +/** + * Get a preview for a file. Currently, PDF previews are generated for files + * with the following extensions: .ai, .doc, .docm, .docx, .eps, .odp, .odt, + * .pps, .ppsm, .ppsx, .ppt, .pptm, .pptx, .rtf. HTML previews are generated for + * files with the following extensions: .csv, .ods, .xls, .xlsm, .xlsx. Other + * formats will return an unsupported extension error. + * @function Dropbox#filesGetPreview + * @arg {FilesPreviewArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesGetPreview = function (arg) { + return this.request('files/get_preview', arg, 'user', 'content', 'download'); +}; + +/** + * Get a temporary link to stream content of a file. This link will expire in + * four hours and afterwards you will get 410 Gone. Content-Type of the link is + * determined automatically by the file's mime type. + * @function Dropbox#filesGetTemporaryLink + * @arg {FilesGetTemporaryLinkArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesGetTemporaryLink = function (arg) { + return this.request('files/get_temporary_link', arg, 'user', 'api', 'rpc'); +}; + +/** + * Get a thumbnail for an image. This method currently supports files with the + * following file extensions: jpg, jpeg, png, tiff, tif, gif and bmp. Photos + * that are larger than 20MB in size won't be converted to a thumbnail. + * @function Dropbox#filesGetThumbnail + * @arg {FilesThumbnailArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesGetThumbnail = function (arg) { + return this.request('files/get_thumbnail', arg, 'user', 'content', 'download'); +}; + +/** + * Get thumbnails for a list of images. We allow up to 25 thumbnails in a single + * batch. This method currently supports files with the following file + * extensions: jpg, jpeg, png, tiff, tif, gif and bmp. Photos that are larger + * than 20MB in size won't be converted to a thumbnail. + * @function Dropbox#filesGetThumbnailBatch + * @arg {FilesGetThumbnailBatchArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesGetThumbnailBatch = function (arg) { + return this.request('files/get_thumbnail_batch', arg, 'user', 'content', 'rpc'); +}; + +/** + * Starts returning the contents of a folder. If the result's + * ListFolderResult.has_more field is true, call list_folder/continue with the + * returned ListFolderResult.cursor to retrieve more entries. If you're using + * ListFolderArg.recursive set to true to keep a local cache of the contents of + * a Dropbox account, iterate through each entry in order and process them as + * follows to keep your local state in sync: For each FileMetadata, store the + * new entry at the given path in your local state. If the required parent + * folders don't exist yet, create them. If there's already something else at + * the given path, replace it and remove all its children. For each + * FolderMetadata, store the new entry at the given path in your local state. If + * the required parent folders don't exist yet, create them. If there's already + * something else at the given path, replace it but leave the children as they + * are. Check the new entry's FolderSharingInfo.read_only and set all its + * children's read-only statuses to match. For each DeletedMetadata, if your + * local state has something at the given path, remove it and all its children. + * If there's nothing at the given path, ignore this entry. Note: + * auth.RateLimitError may be returned if multiple list_folder or + * list_folder/continue calls with same parameters are made simultaneously by + * same API app for same user. If your app implements retry logic, please hold + * off the retry until the previous request finishes. + * @function Dropbox#filesListFolder + * @arg {FilesListFolderArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesListFolder = function (arg) { + return this.request('files/list_folder', arg, 'user', 'api', 'rpc'); +}; + +/** + * Once a cursor has been retrieved from list_folder, use this to paginate + * through all files and retrieve updates to the folder, following the same + * rules as documented for list_folder. + * @function Dropbox#filesListFolderContinue + * @arg {FilesListFolderContinueArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesListFolderContinue = function (arg) { + return this.request('files/list_folder/continue', arg, 'user', 'api', 'rpc'); +}; + +/** + * A way to quickly get a cursor for the folder's state. Unlike list_folder, + * list_folder/get_latest_cursor doesn't return any entries. This endpoint is + * for app which only needs to know about new files and modifications and + * doesn't need to know about files that already exist in Dropbox. + * @function Dropbox#filesListFolderGetLatestCursor + * @arg {FilesListFolderArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesListFolderGetLatestCursor = function (arg) { + return this.request('files/list_folder/get_latest_cursor', arg, 'user', 'api', 'rpc'); +}; + +/** + * A longpoll endpoint to wait for changes on an account. In conjunction with + * list_folder/continue, this call gives you a low-latency way to monitor an + * account for file changes. The connection will block until there are changes + * available or a timeout occurs. This endpoint is useful mostly for client-side + * apps. If you're looking for server-side notifications, check out our webhooks + * documentation https://www.dropbox.com/developers/reference/webhooks. + * @function Dropbox#filesListFolderLongpoll + * @arg {FilesListFolderLongpollArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesListFolderLongpoll = function (arg) { + return this.request('files/list_folder/longpoll', arg, 'noauth', 'notify', 'rpc'); +}; + +/** + * Returns revisions for files based on a file path or a file id. The file path + * or file id is identified from the latest file entry at the given file path or + * id. This end point allows your app to query either by file path or file id by + * setting the mode parameter appropriately. In the ListRevisionsMode.path + * (default) mode, all revisions at the same file path as the latest file entry + * are returned. If revisions with the same file id are desired, then mode must + * be set to ListRevisionsMode.id. The ListRevisionsMode.id mode is useful to + * retrieve revisions for a given file across moves or renames. + * @function Dropbox#filesListRevisions + * @arg {FilesListRevisionsArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesListRevisions = function (arg) { + return this.request('files/list_revisions', arg, 'user', 'api', 'rpc'); +}; + +/** + * Move a file or folder to a different location in the user's Dropbox. If the + * source path is a folder all its contents will be moved. + * @function Dropbox#filesMove + * @deprecated + * @arg {FilesRelocationArg} arg - The request parameters. + * @returns {Promise.<(FilesFileMetadata|FilesFolderMetadata|FilesDeletedMetadata), Error.>} + */ +routes.filesMove = function (arg) { + return this.request('files/move', arg, 'user', 'api', 'rpc'); +}; + +/** + * Move multiple files or folders to different locations at once in the user's + * Dropbox. This route is 'all or nothing', which means if one entry fails, the + * whole transaction will abort. This route will return job ID immediately and + * do the async moving job in background. Please use move_batch/check to check + * the job status. + * @function Dropbox#filesMoveBatch + * @arg {FilesRelocationBatchArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesMoveBatch = function (arg) { + return this.request('files/move_batch', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns the status of an asynchronous job for move_batch. If success, it + * returns list of results for each entry. + * @function Dropbox#filesMoveBatchCheck + * @arg {AsyncPollArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesMoveBatchCheck = function (arg) { + return this.request('files/move_batch/check', arg, 'user', 'api', 'rpc'); +}; + +/** + * Move a file or folder to a different location in the user's Dropbox. If the + * source path is a folder all its contents will be moved. + * @function Dropbox#filesMoveV2 + * @arg {FilesRelocationArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesMoveV2 = function (arg) { + return this.request('files/move_v2', arg, 'user', 'api', 'rpc'); +}; + +/** + * Permanently delete the file or folder at a given path (see + * https://www.dropbox.com/en/help/40). Note: This endpoint is only available + * for Dropbox Business apps. + * @function Dropbox#filesPermanentlyDelete + * @arg {FilesDeleteArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesPermanentlyDelete = function (arg) { + return this.request('files/permanently_delete', arg, 'user', 'api', 'rpc'); +}; + +/** + * @function Dropbox#filesPropertiesAdd + * @deprecated + * @arg {FilePropertiesAddPropertiesArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesPropertiesAdd = function (arg) { + return this.request('files/properties/add', arg, 'user', 'api', 'rpc'); +}; + +/** + * @function Dropbox#filesPropertiesOverwrite + * @deprecated + * @arg {FilePropertiesOverwritePropertyGroupArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesPropertiesOverwrite = function (arg) { + return this.request('files/properties/overwrite', arg, 'user', 'api', 'rpc'); +}; + +/** + * @function Dropbox#filesPropertiesRemove + * @deprecated + * @arg {FilePropertiesRemovePropertiesArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesPropertiesRemove = function (arg) { + return this.request('files/properties/remove', arg, 'user', 'api', 'rpc'); +}; + +/** + * @function Dropbox#filesPropertiesTemplateGet + * @deprecated + * @arg {FilePropertiesGetTemplateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesPropertiesTemplateGet = function (arg) { + return this.request('files/properties/template/get', arg, 'user', 'api', 'rpc'); +}; + +/** + * @function Dropbox#filesPropertiesTemplateList + * @deprecated + * @arg {void} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesPropertiesTemplateList = function (arg) { + return this.request('files/properties/template/list', arg, 'user', 'api', 'rpc'); +}; + +/** + * @function Dropbox#filesPropertiesUpdate + * @deprecated + * @arg {FilePropertiesUpdatePropertiesArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesPropertiesUpdate = function (arg) { + return this.request('files/properties/update', arg, 'user', 'api', 'rpc'); +}; + +/** + * Restore a file to a specific revision. + * @function Dropbox#filesRestore + * @arg {FilesRestoreArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesRestore = function (arg) { + return this.request('files/restore', arg, 'user', 'api', 'rpc'); +}; + +/** + * Save a specified URL into a file in user's Dropbox. If the given path already + * exists, the file will be renamed to avoid the conflict (e.g. myfile (1).txt). + * @function Dropbox#filesSaveUrl + * @arg {FilesSaveUrlArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesSaveUrl = function (arg) { + return this.request('files/save_url', arg, 'user', 'api', 'rpc'); +}; + +/** + * Check the status of a save_url job. + * @function Dropbox#filesSaveUrlCheckJobStatus + * @arg {AsyncPollArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesSaveUrlCheckJobStatus = function (arg) { + return this.request('files/save_url/check_job_status', arg, 'user', 'api', 'rpc'); +}; + +/** + * Searches for files and folders. Note: Recent changes may not immediately be + * reflected in search results due to a short delay in indexing. + * @function Dropbox#filesSearch + * @arg {FilesSearchArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesSearch = function (arg) { + return this.request('files/search', arg, 'user', 'api', 'rpc'); +}; + +/** + * Create a new file with the contents provided in the request. Do not use this + * to upload a file larger than 150 MB. Instead, create an upload session with + * upload_session/start. + * @function Dropbox#filesUpload + * @arg {FilesCommitInfo} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesUpload = function (arg) { + return this.request('files/upload', arg, 'user', 'content', 'upload'); +}; + +/** + * Append more data to an upload session. A single request should not upload + * more than 150 MB. The maximum size of a file one can upload to an upload + * session is 350 GB. + * @function Dropbox#filesUploadSessionAppend + * @deprecated + * @arg {FilesUploadSessionCursor} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesUploadSessionAppend = function (arg) { + return this.request('files/upload_session/append', arg, 'user', 'content', 'upload'); +}; + +/** + * Append more data to an upload session. When the parameter close is set, this + * call will close the session. A single request should not upload more than 150 + * MB. The maximum size of a file one can upload to an upload session is 350 GB. + * @function Dropbox#filesUploadSessionAppendV2 + * @arg {FilesUploadSessionAppendArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesUploadSessionAppendV2 = function (arg) { + return this.request('files/upload_session/append_v2', arg, 'user', 'content', 'upload'); +}; + +/** + * Finish an upload session and save the uploaded data to the given file path. A + * single request should not upload more than 150 MB. The maximum size of a file + * one can upload to an upload session is 350 GB. + * @function Dropbox#filesUploadSessionFinish + * @arg {FilesUploadSessionFinishArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesUploadSessionFinish = function (arg) { + return this.request('files/upload_session/finish', arg, 'user', 'content', 'upload'); +}; + +/** + * This route helps you commit many files at once into a user's Dropbox. Use + * upload_session/start and upload_session/append_v2 to upload file contents. We + * recommend uploading many files in parallel to increase throughput. Once the + * file contents have been uploaded, rather than calling upload_session/finish, + * use this route to finish all your upload sessions in a single request. + * UploadSessionStartArg.close or UploadSessionAppendArg.close needs to be true + * for the last upload_session/start or upload_session/append_v2 call. The + * maximum size of a file one can upload to an upload session is 350 GB. This + * route will return a job_id immediately and do the async commit job in + * background. Use upload_session/finish_batch/check to check the job status. + * For the same account, this route should be executed serially. That means you + * should not start the next job before current job finishes. We allow up to + * 1000 entries in a single request. + * @function Dropbox#filesUploadSessionFinishBatch + * @arg {FilesUploadSessionFinishBatchArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesUploadSessionFinishBatch = function (arg) { + return this.request('files/upload_session/finish_batch', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns the status of an asynchronous job for upload_session/finish_batch. If + * success, it returns list of result for each entry. + * @function Dropbox#filesUploadSessionFinishBatchCheck + * @arg {AsyncPollArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesUploadSessionFinishBatchCheck = function (arg) { + return this.request('files/upload_session/finish_batch/check', arg, 'user', 'api', 'rpc'); +}; + +/** + * Upload sessions allow you to upload a single file in one or more requests, + * for example where the size of the file is greater than 150 MB. This call + * starts a new upload session with the given data. You can then use + * upload_session/append_v2 to add more data and upload_session/finish to save + * all the data to a file in Dropbox. A single request should not upload more + * than 150 MB. The maximum size of a file one can upload to an upload session + * is 350 GB. An upload session can be used for a maximum of 48 hours. + * Attempting to use an UploadSessionStartResult.session_id with + * upload_session/append_v2 or upload_session/finish more than 48 hours after + * its creation will return a UploadSessionLookupError.not_found. + * @function Dropbox#filesUploadSessionStart + * @arg {FilesUploadSessionStartArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.filesUploadSessionStart = function (arg) { + return this.request('files/upload_session/start', arg, 'user', 'content', 'upload'); +}; + +/** + * Marks the given Paper doc as archived. Note: This action can be performed or + * undone by anyone with edit permissions to the doc. + * @function Dropbox#paperDocsArchive + * @arg {PaperRefPaperDoc} arg - The request parameters. + * @returns {Promise.>} + */ +routes.paperDocsArchive = function (arg) { + return this.request('paper/docs/archive', arg, 'user', 'api', 'rpc'); +}; + +/** + * Creates a new Paper doc with the provided content. + * @function Dropbox#paperDocsCreate + * @arg {PaperPaperDocCreateArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.paperDocsCreate = function (arg) { + return this.request('paper/docs/create', arg, 'user', 'api', 'upload'); +}; + +/** + * Exports and downloads Paper doc either as HTML or markdown. + * @function Dropbox#paperDocsDownload + * @arg {PaperPaperDocExport} arg - The request parameters. + * @returns {Promise.>} + */ +routes.paperDocsDownload = function (arg) { + return this.request('paper/docs/download', arg, 'user', 'api', 'download'); +}; + +/** + * Lists the users who are explicitly invited to the Paper folder in which the + * Paper doc is contained. For private folders all users (including owner) + * shared on the folder are listed and for team folders all non-team users + * shared on the folder are returned. + * @function Dropbox#paperDocsFolderUsersList + * @arg {PaperListUsersOnFolderArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.paperDocsFolderUsersList = function (arg) { + return this.request('paper/docs/folder_users/list', arg, 'user', 'api', 'rpc'); +}; + +/** + * Once a cursor has been retrieved from docs/folder_users/list, use this to + * paginate through all users on the Paper folder. + * @function Dropbox#paperDocsFolderUsersListContinue + * @arg {PaperListUsersOnFolderContinueArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.paperDocsFolderUsersListContinue = function (arg) { + return this.request('paper/docs/folder_users/list/continue', arg, 'user', 'api', 'rpc'); +}; + +/** + * Retrieves folder information for the given Paper doc. This includes: - + * folder sharing policy; permissions for subfolders are set by the top-level + * folder. - full 'filepath', i.e. the list of folders (both folderId and + * folderName) from the root folder to the folder directly containing the + * Paper doc. Note: If the Paper doc is not in any folder (aka unfiled) the + * response will be empty. + * @function Dropbox#paperDocsGetFolderInfo + * @arg {PaperRefPaperDoc} arg - The request parameters. + * @returns {Promise.>} + */ +routes.paperDocsGetFolderInfo = function (arg) { + return this.request('paper/docs/get_folder_info', arg, 'user', 'api', 'rpc'); +}; + +/** + * Return the list of all Paper docs according to the argument specifications. + * To iterate over through the full pagination, pass the cursor to + * docs/list/continue. + * @function Dropbox#paperDocsList + * @arg {PaperListPaperDocsArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.paperDocsList = function (arg) { + return this.request('paper/docs/list', arg, 'user', 'api', 'rpc'); +}; + +/** + * Once a cursor has been retrieved from docs/list, use this to paginate through + * all Paper doc. + * @function Dropbox#paperDocsListContinue + * @arg {PaperListPaperDocsContinueArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.paperDocsListContinue = function (arg) { + return this.request('paper/docs/list/continue', arg, 'user', 'api', 'rpc'); +}; + +/** + * Permanently deletes the given Paper doc. This operation is final as the doc + * cannot be recovered. Note: This action can be performed only by the doc + * owner. + * @function Dropbox#paperDocsPermanentlyDelete + * @arg {PaperRefPaperDoc} arg - The request parameters. + * @returns {Promise.>} + */ +routes.paperDocsPermanentlyDelete = function (arg) { + return this.request('paper/docs/permanently_delete', arg, 'user', 'api', 'rpc'); +}; + +/** + * Gets the default sharing policy for the given Paper doc. + * @function Dropbox#paperDocsSharingPolicyGet + * @arg {PaperRefPaperDoc} arg - The request parameters. + * @returns {Promise.>} + */ +routes.paperDocsSharingPolicyGet = function (arg) { + return this.request('paper/docs/sharing_policy/get', arg, 'user', 'api', 'rpc'); +}; + +/** + * Sets the default sharing policy for the given Paper doc. The default + * 'team_sharing_policy' can be changed only by teams, omit this field for + * personal accounts. Note: 'public_sharing_policy' cannot be set to the value + * 'disabled' because this setting can be changed only via the team admin + * console. + * @function Dropbox#paperDocsSharingPolicySet + * @arg {PaperPaperDocSharingPolicy} arg - The request parameters. + * @returns {Promise.>} + */ +routes.paperDocsSharingPolicySet = function (arg) { + return this.request('paper/docs/sharing_policy/set', arg, 'user', 'api', 'rpc'); +}; + +/** + * Updates an existing Paper doc with the provided content. + * @function Dropbox#paperDocsUpdate + * @arg {PaperPaperDocUpdateArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.paperDocsUpdate = function (arg) { + return this.request('paper/docs/update', arg, 'user', 'api', 'upload'); +}; + +/** + * Allows an owner or editor to add users to a Paper doc or change their + * permissions using their email address or Dropbox account ID. Note: The Doc + * owner's permissions cannot be changed. + * @function Dropbox#paperDocsUsersAdd + * @arg {PaperAddPaperDocUser} arg - The request parameters. + * @returns {Promise., Error.>} + */ +routes.paperDocsUsersAdd = function (arg) { + return this.request('paper/docs/users/add', arg, 'user', 'api', 'rpc'); +}; + +/** + * Lists all users who visited the Paper doc or users with explicit access. This + * call excludes users who have been removed. The list is sorted by the date of + * the visit or the share date. The list will include both users, the explicitly + * shared ones as well as those who came in using the Paper url link. + * @function Dropbox#paperDocsUsersList + * @arg {PaperListUsersOnPaperDocArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.paperDocsUsersList = function (arg) { + return this.request('paper/docs/users/list', arg, 'user', 'api', 'rpc'); +}; + +/** + * Once a cursor has been retrieved from docs/users/list, use this to paginate + * through all users on the Paper doc. + * @function Dropbox#paperDocsUsersListContinue + * @arg {PaperListUsersOnPaperDocContinueArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.paperDocsUsersListContinue = function (arg) { + return this.request('paper/docs/users/list/continue', arg, 'user', 'api', 'rpc'); +}; + +/** + * Allows an owner or editor to remove users from a Paper doc using their email + * address or Dropbox account ID. Note: Doc owner cannot be removed. + * @function Dropbox#paperDocsUsersRemove + * @arg {PaperRemovePaperDocUser} arg - The request parameters. + * @returns {Promise.>} + */ +routes.paperDocsUsersRemove = function (arg) { + return this.request('paper/docs/users/remove', arg, 'user', 'api', 'rpc'); +}; + +/** + * Adds specified members to a file. + * @function Dropbox#sharingAddFileMember + * @arg {SharingAddFileMemberArgs} arg - The request parameters. + * @returns {Promise., Error.>} + */ +routes.sharingAddFileMember = function (arg) { + return this.request('sharing/add_file_member', arg, 'user', 'api', 'rpc'); +}; + +/** + * Allows an owner or editor (if the ACL update policy allows) of a shared + * folder to add another member. For the new member to get access to all the + * functionality for this folder, you will need to call mount_folder on their + * behalf. Apps must have full Dropbox access to use this endpoint. + * @function Dropbox#sharingAddFolderMember + * @arg {SharingAddFolderMemberArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingAddFolderMember = function (arg) { + return this.request('sharing/add_folder_member', arg, 'user', 'api', 'rpc'); +}; + +/** + * Identical to update_file_member but with less information returned. + * @function Dropbox#sharingChangeFileMemberAccess + * @deprecated + * @arg {SharingChangeFileMemberAccessArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingChangeFileMemberAccess = function (arg) { + return this.request('sharing/change_file_member_access', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns the status of an asynchronous job. Apps must have full Dropbox access + * to use this endpoint. + * @function Dropbox#sharingCheckJobStatus + * @arg {AsyncPollArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingCheckJobStatus = function (arg) { + return this.request('sharing/check_job_status', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns the status of an asynchronous job for sharing a folder. Apps must + * have full Dropbox access to use this endpoint. + * @function Dropbox#sharingCheckRemoveMemberJobStatus + * @arg {AsyncPollArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingCheckRemoveMemberJobStatus = function (arg) { + return this.request('sharing/check_remove_member_job_status', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns the status of an asynchronous job for sharing a folder. Apps must + * have full Dropbox access to use this endpoint. + * @function Dropbox#sharingCheckShareJobStatus + * @arg {AsyncPollArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingCheckShareJobStatus = function (arg) { + return this.request('sharing/check_share_job_status', arg, 'user', 'api', 'rpc'); +}; + +/** + * Create a shared link. If a shared link already exists for the given path, + * that link is returned. Note that in the returned PathLinkMetadata, the + * PathLinkMetadata.url field is the shortened URL if + * CreateSharedLinkArg.short_url argument is set to true. Previously, it was + * technically possible to break a shared link by moving or renaming the + * corresponding file or folder. In the future, this will no longer be the case, + * so your app shouldn't rely on this behavior. Instead, if your app needs to + * revoke a shared link, use revoke_shared_link. + * @function Dropbox#sharingCreateSharedLink + * @deprecated + * @arg {SharingCreateSharedLinkArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingCreateSharedLink = function (arg) { + return this.request('sharing/create_shared_link', arg, 'user', 'api', 'rpc'); +}; + +/** + * Create a shared link with custom settings. If no settings are given then the + * default visibility is RequestedVisibility.public (The resolved visibility, + * though, may depend on other aspects such as team and shared folder settings). + * @function Dropbox#sharingCreateSharedLinkWithSettings + * @arg {SharingCreateSharedLinkWithSettingsArg} arg - The request parameters. + * @returns {Promise.<(SharingFileLinkMetadata|SharingFolderLinkMetadata|SharingSharedLinkMetadata), Error.>} + */ +routes.sharingCreateSharedLinkWithSettings = function (arg) { + return this.request('sharing/create_shared_link_with_settings', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns shared file metadata. + * @function Dropbox#sharingGetFileMetadata + * @arg {SharingGetFileMetadataArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingGetFileMetadata = function (arg) { + return this.request('sharing/get_file_metadata', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns shared file metadata. + * @function Dropbox#sharingGetFileMetadataBatch + * @arg {SharingGetFileMetadataBatchArg} arg - The request parameters. + * @returns {Promise., Error.>} + */ +routes.sharingGetFileMetadataBatch = function (arg) { + return this.request('sharing/get_file_metadata/batch', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns shared folder metadata by its folder ID. Apps must have full Dropbox + * access to use this endpoint. + * @function Dropbox#sharingGetFolderMetadata + * @arg {SharingGetMetadataArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingGetFolderMetadata = function (arg) { + return this.request('sharing/get_folder_metadata', arg, 'user', 'api', 'rpc'); +}; + +/** + * Download the shared link's file from a user's Dropbox. + * @function Dropbox#sharingGetSharedLinkFile + * @arg {Object} arg - The request parameters. + * @returns {Promise.<(SharingFileLinkMetadata|SharingFolderLinkMetadata|SharingSharedLinkMetadata), Error.>} + */ +routes.sharingGetSharedLinkFile = function (arg) { + return this.request('sharing/get_shared_link_file', arg, 'user', 'content', 'download'); +}; + +/** + * Get the shared link's metadata. + * @function Dropbox#sharingGetSharedLinkMetadata + * @arg {SharingGetSharedLinkMetadataArg} arg - The request parameters. + * @returns {Promise.<(SharingFileLinkMetadata|SharingFolderLinkMetadata|SharingSharedLinkMetadata), Error.>} + */ +routes.sharingGetSharedLinkMetadata = function (arg) { + return this.request('sharing/get_shared_link_metadata', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns a list of LinkMetadata objects for this user, including collection + * links. If no path is given, returns a list of all shared links for the + * current user, including collection links, up to a maximum of 1000 links. If a + * non-empty path is given, returns a list of all shared links that allow access + * to the given path. Collection links are never returned in this case. Note + * that the url field in the response is never the shortened URL. + * @function Dropbox#sharingGetSharedLinks + * @deprecated + * @arg {SharingGetSharedLinksArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingGetSharedLinks = function (arg) { + return this.request('sharing/get_shared_links', arg, 'user', 'api', 'rpc'); +}; + +/** + * Use to obtain the members who have been invited to a file, both inherited and + * uninherited members. + * @function Dropbox#sharingListFileMembers + * @arg {SharingListFileMembersArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingListFileMembers = function (arg) { + return this.request('sharing/list_file_members', arg, 'user', 'api', 'rpc'); +}; + +/** + * Get members of multiple files at once. The arguments to this route are more + * limited, and the limit on query result size per file is more strict. To + * customize the results more, use the individual file endpoint. Inherited users + * and groups are not included in the result, and permissions are not returned + * for this endpoint. + * @function Dropbox#sharingListFileMembersBatch + * @arg {SharingListFileMembersBatchArg} arg - The request parameters. + * @returns {Promise., Error.>} + */ +routes.sharingListFileMembersBatch = function (arg) { + return this.request('sharing/list_file_members/batch', arg, 'user', 'api', 'rpc'); +}; + +/** + * Once a cursor has been retrieved from list_file_members or + * list_file_members/batch, use this to paginate through all shared file + * members. + * @function Dropbox#sharingListFileMembersContinue + * @arg {SharingListFileMembersContinueArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingListFileMembersContinue = function (arg) { + return this.request('sharing/list_file_members/continue', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns shared folder membership by its folder ID. Apps must have full + * Dropbox access to use this endpoint. + * @function Dropbox#sharingListFolderMembers + * @arg {SharingListFolderMembersArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingListFolderMembers = function (arg) { + return this.request('sharing/list_folder_members', arg, 'user', 'api', 'rpc'); +}; + +/** + * Once a cursor has been retrieved from list_folder_members, use this to + * paginate through all shared folder members. Apps must have full Dropbox + * access to use this endpoint. + * @function Dropbox#sharingListFolderMembersContinue + * @arg {SharingListFolderMembersContinueArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingListFolderMembersContinue = function (arg) { + return this.request('sharing/list_folder_members/continue', arg, 'user', 'api', 'rpc'); +}; + +/** + * Return the list of all shared folders the current user has access to. Apps + * must have full Dropbox access to use this endpoint. + * @function Dropbox#sharingListFolders + * @arg {SharingListFoldersArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingListFolders = function (arg) { + return this.request('sharing/list_folders', arg, 'user', 'api', 'rpc'); +}; + +/** + * Once a cursor has been retrieved from list_folders, use this to paginate + * through all shared folders. The cursor must come from a previous call to + * list_folders or list_folders/continue. Apps must have full Dropbox access to + * use this endpoint. + * @function Dropbox#sharingListFoldersContinue + * @arg {SharingListFoldersContinueArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingListFoldersContinue = function (arg) { + return this.request('sharing/list_folders/continue', arg, 'user', 'api', 'rpc'); +}; + +/** + * Return the list of all shared folders the current user can mount or unmount. + * Apps must have full Dropbox access to use this endpoint. + * @function Dropbox#sharingListMountableFolders + * @arg {SharingListFoldersArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingListMountableFolders = function (arg) { + return this.request('sharing/list_mountable_folders', arg, 'user', 'api', 'rpc'); +}; + +/** + * Once a cursor has been retrieved from list_mountable_folders, use this to + * paginate through all mountable shared folders. The cursor must come from a + * previous call to list_mountable_folders or list_mountable_folders/continue. + * Apps must have full Dropbox access to use this endpoint. + * @function Dropbox#sharingListMountableFoldersContinue + * @arg {SharingListFoldersContinueArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingListMountableFoldersContinue = function (arg) { + return this.request('sharing/list_mountable_folders/continue', arg, 'user', 'api', 'rpc'); +}; + +/** + * Returns a list of all files shared with current user. Does not include files + * the user has received via shared folders, and does not include unclaimed + * invitations. + * @function Dropbox#sharingListReceivedFiles + * @arg {SharingListFilesArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingListReceivedFiles = function (arg) { + return this.request('sharing/list_received_files', arg, 'user', 'api', 'rpc'); +}; + +/** + * Get more results with a cursor from list_received_files. + * @function Dropbox#sharingListReceivedFilesContinue + * @arg {SharingListFilesContinueArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingListReceivedFilesContinue = function (arg) { + return this.request('sharing/list_received_files/continue', arg, 'user', 'api', 'rpc'); +}; + +/** + * List shared links of this user. If no path is given, returns a list of all + * shared links for the current user. If a non-empty path is given, returns a + * list of all shared links that allow access to the given path - direct links + * to the given path and links to parent folders of the given path. Links to + * parent folders can be suppressed by setting direct_only to true. + * @function Dropbox#sharingListSharedLinks + * @arg {SharingListSharedLinksArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingListSharedLinks = function (arg) { + return this.request('sharing/list_shared_links', arg, 'user', 'api', 'rpc'); +}; + +/** + * Modify the shared link's settings. If the requested visibility conflict with + * the shared links policy of the team or the shared folder (in case the linked + * file is part of a shared folder) then the LinkPermissions.resolved_visibility + * of the returned SharedLinkMetadata will reflect the actual visibility of the + * shared link and the LinkPermissions.requested_visibility will reflect the + * requested visibility. + * @function Dropbox#sharingModifySharedLinkSettings + * @arg {SharingModifySharedLinkSettingsArgs} arg - The request parameters. + * @returns {Promise.<(SharingFileLinkMetadata|SharingFolderLinkMetadata|SharingSharedLinkMetadata), Error.>} + */ +routes.sharingModifySharedLinkSettings = function (arg) { + return this.request('sharing/modify_shared_link_settings', arg, 'user', 'api', 'rpc'); +}; + +/** + * The current user mounts the designated folder. Mount a shared folder for a + * user after they have been added as a member. Once mounted, the shared folder + * will appear in their Dropbox. Apps must have full Dropbox access to use this + * endpoint. + * @function Dropbox#sharingMountFolder + * @arg {SharingMountFolderArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingMountFolder = function (arg) { + return this.request('sharing/mount_folder', arg, 'user', 'api', 'rpc'); +}; + +/** + * The current user relinquishes their membership in the designated file. Note + * that the current user may still have inherited access to this file through + * the parent folder. Apps must have full Dropbox access to use this endpoint. + * @function Dropbox#sharingRelinquishFileMembership + * @arg {SharingRelinquishFileMembershipArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingRelinquishFileMembership = function (arg) { + return this.request('sharing/relinquish_file_membership', arg, 'user', 'api', 'rpc'); +}; + +/** + * The current user relinquishes their membership in the designated shared + * folder and will no longer have access to the folder. A folder owner cannot + * relinquish membership in their own folder. This will run synchronously if + * leave_a_copy is false, and asynchronously if leave_a_copy is true. Apps must + * have full Dropbox access to use this endpoint. + * @function Dropbox#sharingRelinquishFolderMembership + * @arg {SharingRelinquishFolderMembershipArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingRelinquishFolderMembership = function (arg) { + return this.request('sharing/relinquish_folder_membership', arg, 'user', 'api', 'rpc'); +}; + +/** + * Identical to remove_file_member_2 but with less information returned. + * @function Dropbox#sharingRemoveFileMember + * @deprecated + * @arg {SharingRemoveFileMemberArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingRemoveFileMember = function (arg) { + return this.request('sharing/remove_file_member', arg, 'user', 'api', 'rpc'); +}; + +/** + * Removes a specified member from the file. + * @function Dropbox#sharingRemoveFileMember2 + * @arg {SharingRemoveFileMemberArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingRemoveFileMember2 = function (arg) { + return this.request('sharing/remove_file_member_2', arg, 'user', 'api', 'rpc'); +}; + +/** + * Allows an owner or editor (if the ACL update policy allows) of a shared + * folder to remove another member. Apps must have full Dropbox access to use + * this endpoint. + * @function Dropbox#sharingRemoveFolderMember + * @arg {SharingRemoveFolderMemberArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingRemoveFolderMember = function (arg) { + return this.request('sharing/remove_folder_member', arg, 'user', 'api', 'rpc'); +}; + +/** + * Revoke a shared link. Note that even after revoking a shared link to a file, + * the file may be accessible if there are shared links leading to any of the + * file parent folders. To list all shared links that enable access to a + * specific file, you can use the list_shared_links with the file as the + * ListSharedLinksArg.path argument. + * @function Dropbox#sharingRevokeSharedLink + * @arg {SharingRevokeSharedLinkArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingRevokeSharedLink = function (arg) { + return this.request('sharing/revoke_shared_link', arg, 'user', 'api', 'rpc'); +}; + +/** + * Change the inheritance policy of an existing Shared Folder. Only permitted + * for shared folders in a shared team root. If a ShareFolderLaunch.async_job_id + * is returned, you'll need to call check_share_job_status until the action + * completes to get the metadata for the folder. + * @function Dropbox#sharingSetAccessInheritance + * @arg {SharingSetAccessInheritanceArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingSetAccessInheritance = function (arg) { + return this.request('sharing/set_access_inheritance', arg, 'user', 'api', 'rpc'); +}; + +/** + * Share a folder with collaborators. Most sharing will be completed + * synchronously. Large folders will be completed asynchronously. To make + * testing the async case repeatable, set `ShareFolderArg.force_async`. If a + * ShareFolderLaunch.async_job_id is returned, you'll need to call + * check_share_job_status until the action completes to get the metadata for the + * folder. Apps must have full Dropbox access to use this endpoint. + * @function Dropbox#sharingShareFolder + * @arg {SharingShareFolderArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingShareFolder = function (arg) { + return this.request('sharing/share_folder', arg, 'user', 'api', 'rpc'); +}; + +/** + * Transfer ownership of a shared folder to a member of the shared folder. User + * must have AccessLevel.owner access to the shared folder to perform a + * transfer. Apps must have full Dropbox access to use this endpoint. + * @function Dropbox#sharingTransferFolder + * @arg {SharingTransferFolderArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingTransferFolder = function (arg) { + return this.request('sharing/transfer_folder', arg, 'user', 'api', 'rpc'); +}; + +/** + * The current user unmounts the designated folder. They can re-mount the folder + * at a later time using mount_folder. Apps must have full Dropbox access to use + * this endpoint. + * @function Dropbox#sharingUnmountFolder + * @arg {SharingUnmountFolderArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingUnmountFolder = function (arg) { + return this.request('sharing/unmount_folder', arg, 'user', 'api', 'rpc'); +}; + +/** + * Remove all members from this file. Does not remove inherited members. + * @function Dropbox#sharingUnshareFile + * @arg {SharingUnshareFileArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingUnshareFile = function (arg) { + return this.request('sharing/unshare_file', arg, 'user', 'api', 'rpc'); +}; + +/** + * Allows a shared folder owner to unshare the folder. You'll need to call + * check_job_status to determine if the action has completed successfully. Apps + * must have full Dropbox access to use this endpoint. + * @function Dropbox#sharingUnshareFolder + * @arg {SharingUnshareFolderArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingUnshareFolder = function (arg) { + return this.request('sharing/unshare_folder', arg, 'user', 'api', 'rpc'); +}; + +/** + * Changes a member's access on a shared file. + * @function Dropbox#sharingUpdateFileMember + * @arg {SharingUpdateFileMemberArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingUpdateFileMember = function (arg) { + return this.request('sharing/update_file_member', arg, 'user', 'api', 'rpc'); +}; + +/** + * Allows an owner or editor of a shared folder to update another member's + * permissions. Apps must have full Dropbox access to use this endpoint. + * @function Dropbox#sharingUpdateFolderMember + * @arg {SharingUpdateFolderMemberArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingUpdateFolderMember = function (arg) { + return this.request('sharing/update_folder_member', arg, 'user', 'api', 'rpc'); +}; + +/** + * Update the sharing policies for a shared folder. User must have + * AccessLevel.owner access to the shared folder to update its policies. Apps + * must have full Dropbox access to use this endpoint. + * @function Dropbox#sharingUpdateFolderPolicy + * @arg {SharingUpdateFolderPolicyArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.sharingUpdateFolderPolicy = function (arg) { + return this.request('sharing/update_folder_policy', arg, 'user', 'api', 'rpc'); +}; + +/** + * Retrieves team events. Events have a lifespan of two years. Events older than + * two years will not be returned. Many attributes note 'may be missing due to + * historical data gap'. Note that the file_operations category and & analogous + * paper events are not available on all Dropbox Business plans + * /business/plans-comparison. Use features/get_values + * /developers/documentation/http/teams#team-features-get_values to check for + * this feature. Permission : Team Auditing. + * @function Dropbox#teamLogGetEvents + * @arg {TeamLogGetTeamEventsArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.teamLogGetEvents = function (arg) { + return this.request('team_log/get_events', arg, 'team', 'api', 'rpc'); +}; + +/** + * Once a cursor has been retrieved from get_events, use this to paginate + * through all events. Permission : Team Auditing. + * @function Dropbox#teamLogGetEventsContinue + * @arg {TeamLogGetTeamEventsContinueArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.teamLogGetEventsContinue = function (arg) { + return this.request('team_log/get_events/continue', arg, 'team', 'api', 'rpc'); +}; + +/** + * Get information about a user's account. + * @function Dropbox#usersGetAccount + * @arg {UsersGetAccountArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.usersGetAccount = function (arg) { + return this.request('users/get_account', arg, 'user', 'api', 'rpc'); +}; + +/** + * Get information about multiple user accounts. At most 300 accounts may be + * queried per request. + * @function Dropbox#usersGetAccountBatch + * @arg {UsersGetAccountBatchArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes.usersGetAccountBatch = function (arg) { + return this.request('users/get_account_batch', arg, 'user', 'api', 'rpc'); +}; + +/** + * Get information about the current user's account. + * @function Dropbox#usersGetCurrentAccount + * @arg {void} arg - The request parameters. + * @returns {Promise.>} + */ +routes.usersGetCurrentAccount = function (arg) { + return this.request('users/get_current_account', arg, 'user', 'api', 'rpc'); +}; + +/** + * Get the space usage information for the current user's account. + * @function Dropbox#usersGetSpaceUsage + * @arg {void} arg - The request parameters. + * @returns {Promise.>} + */ +routes.usersGetSpaceUsage = function (arg) { + return this.request('users/get_space_usage', arg, 'user', 'api', 'rpc'); +}; + +var RPC = 'rpc'; +var UPLOAD = 'upload'; +var DOWNLOAD = 'download'; + +function getSafeUnicode(c) { + var unicode = ('000' + c.charCodeAt(0).toString(16)).slice(-4); + return '\\u' + unicode; +} + +/* global WorkerGlobalScope */ +function isWindowOrWorker() { + return typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope || typeof module === 'undefined' || typeof window !== 'undefined'; +} + +function getBaseURL(host) { + return 'https://' + host + '.dropboxapi.com/2/'; +} + +// source https://www.dropboxforum.com/t5/API-support/HTTP-header-quot-Dropbox-API-Arg-quot-could-not-decode-input-as/m-p/173823/highlight/true#M6786 +function httpHeaderSafeJson(args) { + return JSON.stringify(args).replace(/[\u007f-\uffff]/g, getSafeUnicode); +} + +var classCallCheck = function (instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } +}; + +var createClass = function () { + function defineProperties(target, props) { + for (var i = 0; i < props.length; i++) { + var descriptor = props[i]; + descriptor.enumerable = descriptor.enumerable || false; + descriptor.configurable = true; + if ("value" in descriptor) descriptor.writable = true; + Object.defineProperty(target, descriptor.key, descriptor); + } + } + + return function (Constructor, protoProps, staticProps) { + if (protoProps) defineProperties(Constructor.prototype, protoProps); + if (staticProps) defineProperties(Constructor, staticProps); + return Constructor; + }; +}(); + + + + + + + + + +var inherits = function (subClass, superClass) { + if (typeof superClass !== "function" && superClass !== null) { + throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); + } + + subClass.prototype = Object.create(superClass && superClass.prototype, { + constructor: { + value: subClass, + enumerable: false, + writable: true, + configurable: true + } + }); + if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; +}; + + + + + + + + + + + +var possibleConstructorReturn = function (self, call) { + if (!self) { + throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); + } + + return call && (typeof call === "object" || typeof call === "function") ? call : self; +}; + + + + + +var slicedToArray = function () { + function sliceIterator(arr, i) { + var _arr = []; + var _n = true; + var _d = false; + var _e = undefined; + + try { + for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { + _arr.push(_s.value); + + if (i && _arr.length === i) break; + } + } catch (err) { + _d = true; + _e = err; + } finally { + try { + if (!_n && _i["return"]) _i["return"](); + } finally { + if (_d) throw _e; + } + } + + return _arr; + } + + return function (arr, i) { + if (Array.isArray(arr)) { + return arr; + } else if (Symbol.iterator in Object(arr)) { + return sliceIterator(arr, i); + } else { + throw new TypeError("Invalid attempt to destructure non-iterable instance"); + } + }; +}(); + +function getDataFromConsumer(res) { + if (!res.ok) { + return res.text(); + } + + return isWindowOrWorker() ? res.blob() : res.buffer(); +} + +function responseHandler(res, data) { + if (!res.ok) { + // eslint-disable-next-line no-throw-literal + throw { + error: data, + response: res, + status: res.status + }; + } + + var result = JSON.parse(res.headers.get('dropbox-api-result')); + + if (isWindowOrWorker()) { + result.fileBlob = data; + } else { + result.fileBinary = data; + } + + return result; +} + +function downloadRequest(path, args, auth, host, accessToken, options) { + if (auth !== 'user') { + throw new Error('Unexpected auth type: ' + auth); + } + + var fetchOptions = { + method: 'POST', + headers: { + Authorization: 'Bearer ' + accessToken, + 'Dropbox-API-Arg': httpHeaderSafeJson(args) + } + }; + + if (options) { + if (options.selectUser) { + fetchOptions.headers['Dropbox-API-Select-User'] = options.selectUser; + } + if (options.selectAdmin) { + fetchOptions.headers['Dropbox-API-Select-Admin'] = options.selectAdmin; + } + } + + return fetch(getBaseURL(host) + path, fetchOptions).then(function (res) { + return getDataFromConsumer(res).then(function (data) { + return [res, data]; + }); + }).then(function (_ref) { + var _ref2 = slicedToArray(_ref, 2), + res = _ref2[0], + data = _ref2[1]; + + return responseHandler(res, data); + }); +} + +function parseBodyToType$1(res) { + var clone = res.clone(); + return new Promise(function (resolve) { + res.json().then(function (data) { + return resolve(data); + }).catch(function () { + return clone.text().then(function (data) { + return resolve(data); + }); + }); + }).then(function (data) { + return [res, data]; + }); +} + +function uploadRequest(path, args, auth, host, accessToken, options) { + if (auth !== 'user') { + throw new Error('Unexpected auth type: ' + auth); + } + + var contents = args.contents; + + delete args.contents; + + var fetchOptions = { + body: contents, + method: 'POST', + headers: { + Authorization: 'Bearer ' + accessToken, + 'Content-Type': 'application/octet-stream', + 'Dropbox-API-Arg': httpHeaderSafeJson(args) + } + }; + + if (options) { + if (options.selectUser) { + fetchOptions.headers['Dropbox-API-Select-User'] = options.selectUser; + } + if (options.selectAdmin) { + fetchOptions.headers['Dropbox-API-Select-Admin'] = options.selectAdmin; + } + } + + return fetch(getBaseURL(host) + path, fetchOptions).then(function (res) { + return parseBodyToType$1(res); + }).then(function (_ref) { + var _ref2 = slicedToArray(_ref, 2), + res = _ref2[0], + data = _ref2[1]; + + // maintaining existing API for error codes not equal to 200 range + if (!res.ok) { + // eslint-disable-next-line no-throw-literal + throw { + error: data, + response: res, + status: res.status + }; + } + + return data; + }); +} + +function createCommonjsModule(fn, module) { + return module = { exports: {} }, fn(module, module.exports), module.exports; +} + +var byteLength_1 = byteLength; +var toByteArray_1 = toByteArray; +var fromByteArray_1 = fromByteArray; + +var lookup = []; +var revLookup = []; +var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array; + +var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; +for (var i = 0, len = code.length; i < len; ++i) { + lookup[i] = code[i]; + revLookup[code.charCodeAt(i)] = i; +} + +revLookup['-'.charCodeAt(0)] = 62; +revLookup['_'.charCodeAt(0)] = 63; + +function placeHoldersCount (b64) { + var len = b64.length; + if (len % 4 > 0) { + throw new Error('Invalid string. Length must be a multiple of 4') + } + + // the number of equal signs (place holders) + // if there are two placeholders, than the two characters before it + // represent one byte + // if there is only one, then the three characters before it represent 2 bytes + // this is just a cheap hack to not do indexOf twice + return b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0 +} + +function byteLength (b64) { + // base64 is 4/3 + up to two characters of the original data + return (b64.length * 3 / 4) - placeHoldersCount(b64) +} + +function toByteArray (b64) { + var i, l, tmp, placeHolders, arr; + var len = b64.length; + placeHolders = placeHoldersCount(b64); + + arr = new Arr((len * 3 / 4) - placeHolders); + + // if there are placeholders, only get up to the last complete 4 chars + l = placeHolders > 0 ? len - 4 : len; + + var L = 0; + + for (i = 0; i < l; i += 4) { + tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]; + arr[L++] = (tmp >> 16) & 0xFF; + arr[L++] = (tmp >> 8) & 0xFF; + arr[L++] = tmp & 0xFF; + } + + if (placeHolders === 2) { + tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4); + arr[L++] = tmp & 0xFF; + } else if (placeHolders === 1) { + tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2); + arr[L++] = (tmp >> 8) & 0xFF; + arr[L++] = tmp & 0xFF; + } + + return arr +} + +function tripletToBase64 (num) { + return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F] +} + +function encodeChunk (uint8, start, end) { + var tmp; + var output = []; + for (var i = start; i < end; i += 3) { + tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]); + output.push(tripletToBase64(tmp)); + } + return output.join('') +} + +function fromByteArray (uint8) { + var tmp; + var len = uint8.length; + var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes + var output = ''; + var parts = []; + var maxChunkLength = 16383; // must be multiple of 3 + + // go through the array every three bytes, we'll deal with trailing stuff later + for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) { + parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength))); + } + + // pad the end with zeros, but make sure to not forget the extra bytes + if (extraBytes === 1) { + tmp = uint8[len - 1]; + output += lookup[tmp >> 2]; + output += lookup[(tmp << 4) & 0x3F]; + output += '=='; + } else if (extraBytes === 2) { + tmp = (uint8[len - 2] << 8) + (uint8[len - 1]); + output += lookup[tmp >> 10]; + output += lookup[(tmp >> 4) & 0x3F]; + output += lookup[(tmp << 2) & 0x3F]; + output += '='; + } + + parts.push(output); + + return parts.join('') +} + +var base64Js = { + byteLength: byteLength_1, + toByteArray: toByteArray_1, + fromByteArray: fromByteArray_1 +}; + +var read = function (buffer, offset, isLE, mLen, nBytes) { + var e, m; + var eLen = nBytes * 8 - mLen - 1; + var eMax = (1 << eLen) - 1; + var eBias = eMax >> 1; + var nBits = -7; + var i = isLE ? (nBytes - 1) : 0; + var d = isLE ? -1 : 1; + var s = buffer[offset + i]; + + i += d; + + e = s & ((1 << (-nBits)) - 1); + s >>= (-nBits); + nBits += eLen; + for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {} + + m = e & ((1 << (-nBits)) - 1); + e >>= (-nBits); + nBits += mLen; + for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {} + + if (e === 0) { + e = 1 - eBias; + } else if (e === eMax) { + return m ? NaN : ((s ? -1 : 1) * Infinity) + } else { + m = m + Math.pow(2, mLen); + e = e - eBias; + } + return (s ? -1 : 1) * m * Math.pow(2, e - mLen) +}; + +var write = function (buffer, value, offset, isLE, mLen, nBytes) { + var e, m, c; + var eLen = nBytes * 8 - mLen - 1; + var eMax = (1 << eLen) - 1; + var eBias = eMax >> 1; + var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0); + var i = isLE ? 0 : (nBytes - 1); + var d = isLE ? 1 : -1; + var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0; + + value = Math.abs(value); + + if (isNaN(value) || value === Infinity) { + m = isNaN(value) ? 1 : 0; + e = eMax; + } else { + e = Math.floor(Math.log(value) / Math.LN2); + if (value * (c = Math.pow(2, -e)) < 1) { + e--; + c *= 2; + } + if (e + eBias >= 1) { + value += rt / c; + } else { + value += rt * Math.pow(2, 1 - eBias); + } + if (value * c >= 2) { + e++; + c /= 2; + } + + if (e + eBias >= eMax) { + m = 0; + e = eMax; + } else if (e + eBias >= 1) { + m = (value * c - 1) * Math.pow(2, mLen); + e = e + eBias; + } else { + m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen); + e = 0; + } + } + + for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} + + e = (e << mLen) | m; + eLen += mLen; + for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} + + buffer[offset + i - d] |= s * 128; +}; + +var ieee754 = { + read: read, + write: write +}; + +var buffer = createCommonjsModule(function (module, exports) { +/*! + * The buffer module from node.js, for the browser. + * + * @author Feross Aboukhadijeh + * @license MIT + */ +/* eslint-disable no-proto */ + +'use strict'; + + + + +exports.Buffer = Buffer; +exports.SlowBuffer = SlowBuffer; +exports.INSPECT_MAX_BYTES = 50; + +var K_MAX_LENGTH = 0x7fffffff; +exports.kMaxLength = K_MAX_LENGTH; + +/** + * If `Buffer.TYPED_ARRAY_SUPPORT`: + * === true Use Uint8Array implementation (fastest) + * === false Print warning and recommend using `buffer` v4.x which has an Object + * implementation (most compatible, even IE6) + * + * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+, + * Opera 11.6+, iOS 4.2+. + * + * We report that the browser does not support typed arrays if the are not subclassable + * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array` + * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support + * for __proto__ and has a buggy typed array implementation. + */ +Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport(); + +if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' && + typeof console.error === 'function') { + console.error( + 'This browser lacks typed array (Uint8Array) support which is required by ' + + '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.' + ); +} + +function typedArraySupport () { + // Can typed array instances can be augmented? + try { + var arr = new Uint8Array(1); + arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}; + return arr.foo() === 42 + } catch (e) { + return false + } +} + +function createBuffer (length) { + if (length > K_MAX_LENGTH) { + throw new RangeError('Invalid typed array length') + } + // Return an augmented `Uint8Array` instance + var buf = new Uint8Array(length); + buf.__proto__ = Buffer.prototype; + return buf +} + +/** + * The Buffer constructor returns instances of `Uint8Array` that have their + * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of + * `Uint8Array`, so the returned instances will have all the node `Buffer` methods + * and the `Uint8Array` methods. Square bracket notation works as expected -- it + * returns a single octet. + * + * The `Uint8Array` prototype remains unmodified. + */ + +function Buffer (arg, encodingOrOffset, length) { + // Common case. + if (typeof arg === 'number') { + if (typeof encodingOrOffset === 'string') { + throw new Error( + 'If encoding is specified then the first argument must be a string' + ) + } + return allocUnsafe(arg) + } + return from(arg, encodingOrOffset, length) +} + +// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97 +if (typeof Symbol !== 'undefined' && Symbol.species && + Buffer[Symbol.species] === Buffer) { + Object.defineProperty(Buffer, Symbol.species, { + value: null, + configurable: true, + enumerable: false, + writable: false + }); +} + +Buffer.poolSize = 8192; // not used by this implementation + +function from (value, encodingOrOffset, length) { + if (typeof value === 'number') { + throw new TypeError('"value" argument must not be a number') + } + + if (isArrayBuffer(value)) { + return fromArrayBuffer(value, encodingOrOffset, length) + } + + if (typeof value === 'string') { + return fromString(value, encodingOrOffset) + } + + return fromObject(value) +} + +/** + * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError + * if value is a number. + * Buffer.from(str[, encoding]) + * Buffer.from(array) + * Buffer.from(buffer) + * Buffer.from(arrayBuffer[, byteOffset[, length]]) + **/ +Buffer.from = function (value, encodingOrOffset, length) { + return from(value, encodingOrOffset, length) +}; + +// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug: +// https://github.com/feross/buffer/pull/148 +Buffer.prototype.__proto__ = Uint8Array.prototype; +Buffer.__proto__ = Uint8Array; + +function assertSize (size) { + if (typeof size !== 'number') { + throw new TypeError('"size" argument must be a number') + } else if (size < 0) { + throw new RangeError('"size" argument must not be negative') + } +} + +function alloc (size, fill, encoding) { + assertSize(size); + if (size <= 0) { + return createBuffer(size) + } + if (fill !== undefined) { + // Only pay attention to encoding if it's a string. This + // prevents accidentally sending in a number that would + // be interpretted as a start offset. + return typeof encoding === 'string' + ? createBuffer(size).fill(fill, encoding) + : createBuffer(size).fill(fill) + } + return createBuffer(size) +} + +/** + * Creates a new filled Buffer instance. + * alloc(size[, fill[, encoding]]) + **/ +Buffer.alloc = function (size, fill, encoding) { + return alloc(size, fill, encoding) +}; + +function allocUnsafe (size) { + assertSize(size); + return createBuffer(size < 0 ? 0 : checked(size) | 0) +} + +/** + * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance. + * */ +Buffer.allocUnsafe = function (size) { + return allocUnsafe(size) +}; +/** + * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. + */ +Buffer.allocUnsafeSlow = function (size) { + return allocUnsafe(size) +}; + +function fromString (string, encoding) { + if (typeof encoding !== 'string' || encoding === '') { + encoding = 'utf8'; + } + + if (!Buffer.isEncoding(encoding)) { + throw new TypeError('"encoding" must be a valid string encoding') + } + + var length = byteLength(string, encoding) | 0; + var buf = createBuffer(length); + + var actual = buf.write(string, encoding); + + if (actual !== length) { + // Writing a hex string, for example, that contains invalid characters will + // cause everything after the first invalid character to be ignored. (e.g. + // 'abxxcd' will be treated as 'ab') + buf = buf.slice(0, actual); + } + + return buf +} + +function fromArrayLike (array) { + var length = array.length < 0 ? 0 : checked(array.length) | 0; + var buf = createBuffer(length); + for (var i = 0; i < length; i += 1) { + buf[i] = array[i] & 255; + } + return buf +} + +function fromArrayBuffer (array, byteOffset, length) { + if (byteOffset < 0 || array.byteLength < byteOffset) { + throw new RangeError('\'offset\' is out of bounds') + } + + if (array.byteLength < byteOffset + (length || 0)) { + throw new RangeError('\'length\' is out of bounds') + } + + var buf; + if (byteOffset === undefined && length === undefined) { + buf = new Uint8Array(array); + } else if (length === undefined) { + buf = new Uint8Array(array, byteOffset); + } else { + buf = new Uint8Array(array, byteOffset, length); + } + + // Return an augmented `Uint8Array` instance + buf.__proto__ = Buffer.prototype; + return buf +} + +function fromObject (obj) { + if (Buffer.isBuffer(obj)) { + var len = checked(obj.length) | 0; + var buf = createBuffer(len); + + if (buf.length === 0) { + return buf + } + + obj.copy(buf, 0, 0, len); + return buf + } + + if (obj) { + if (isArrayBufferView(obj) || 'length' in obj) { + if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) { + return createBuffer(0) + } + return fromArrayLike(obj) + } + + if (obj.type === 'Buffer' && Array.isArray(obj.data)) { + return fromArrayLike(obj.data) + } + } + + throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.') +} + +function checked (length) { + // Note: cannot use `length < K_MAX_LENGTH` here because that fails when + // length is NaN (which is otherwise coerced to zero.) + if (length >= K_MAX_LENGTH) { + throw new RangeError('Attempt to allocate Buffer larger than maximum ' + + 'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes') + } + return length | 0 +} + +function SlowBuffer (length) { + if (+length != length) { // eslint-disable-line eqeqeq + length = 0; + } + return Buffer.alloc(+length) +} + +Buffer.isBuffer = function isBuffer (b) { + return b != null && b._isBuffer === true +}; + +Buffer.compare = function compare (a, b) { + if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) { + throw new TypeError('Arguments must be Buffers') + } + + if (a === b) return 0 + + var x = a.length; + var y = b.length; + + for (var i = 0, len = Math.min(x, y); i < len; ++i) { + if (a[i] !== b[i]) { + x = a[i]; + y = b[i]; + break + } + } + + if (x < y) return -1 + if (y < x) return 1 + return 0 +}; + +Buffer.isEncoding = function isEncoding (encoding) { + switch (String(encoding).toLowerCase()) { + case 'hex': + case 'utf8': + case 'utf-8': + case 'ascii': + case 'latin1': + case 'binary': + case 'base64': + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return true + default: + return false + } +}; + +Buffer.concat = function concat (list, length) { + if (!Array.isArray(list)) { + throw new TypeError('"list" argument must be an Array of Buffers') + } + + if (list.length === 0) { + return Buffer.alloc(0) + } + + var i; + if (length === undefined) { + length = 0; + for (i = 0; i < list.length; ++i) { + length += list[i].length; + } + } + + var buffer = Buffer.allocUnsafe(length); + var pos = 0; + for (i = 0; i < list.length; ++i) { + var buf = list[i]; + if (!Buffer.isBuffer(buf)) { + throw new TypeError('"list" argument must be an Array of Buffers') + } + buf.copy(buffer, pos); + pos += buf.length; + } + return buffer +}; + +function byteLength (string, encoding) { + if (Buffer.isBuffer(string)) { + return string.length + } + if (isArrayBufferView(string) || isArrayBuffer(string)) { + return string.byteLength + } + if (typeof string !== 'string') { + string = '' + string; + } + + var len = string.length; + if (len === 0) return 0 + + // Use a for loop to avoid recursion + var loweredCase = false; + for (;;) { + switch (encoding) { + case 'ascii': + case 'latin1': + case 'binary': + return len + case 'utf8': + case 'utf-8': + case undefined: + return utf8ToBytes(string).length + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return len * 2 + case 'hex': + return len >>> 1 + case 'base64': + return base64ToBytes(string).length + default: + if (loweredCase) return utf8ToBytes(string).length // assume utf8 + encoding = ('' + encoding).toLowerCase(); + loweredCase = true; + } + } +} +Buffer.byteLength = byteLength; + +function slowToString (encoding, start, end) { + var loweredCase = false; + + // No need to verify that "this.length <= MAX_UINT32" since it's a read-only + // property of a typed array. + + // This behaves neither like String nor Uint8Array in that we set start/end + // to their upper/lower bounds if the value passed is out of range. + // undefined is handled specially as per ECMA-262 6th Edition, + // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization. + if (start === undefined || start < 0) { + start = 0; + } + // Return early if start > this.length. Done here to prevent potential uint32 + // coercion fail below. + if (start > this.length) { + return '' + } + + if (end === undefined || end > this.length) { + end = this.length; + } + + if (end <= 0) { + return '' + } + + // Force coersion to uint32. This will also coerce falsey/NaN values to 0. + end >>>= 0; + start >>>= 0; + + if (end <= start) { + return '' + } + + if (!encoding) encoding = 'utf8'; + + while (true) { + switch (encoding) { + case 'hex': + return hexSlice(this, start, end) + + case 'utf8': + case 'utf-8': + return utf8Slice(this, start, end) + + case 'ascii': + return asciiSlice(this, start, end) + + case 'latin1': + case 'binary': + return latin1Slice(this, start, end) + + case 'base64': + return base64Slice(this, start, end) + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return utf16leSlice(this, start, end) + + default: + if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) + encoding = (encoding + '').toLowerCase(); + loweredCase = true; + } + } +} + +// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package) +// to detect a Buffer instance. It's not possible to use `instanceof Buffer` +// reliably in a browserify context because there could be multiple different +// copies of the 'buffer' package in use. This method works even for Buffer +// instances that were created from another copy of the `buffer` package. +// See: https://github.com/feross/buffer/issues/154 +Buffer.prototype._isBuffer = true; + +function swap (b, n, m) { + var i = b[n]; + b[n] = b[m]; + b[m] = i; +} + +Buffer.prototype.swap16 = function swap16 () { + var len = this.length; + if (len % 2 !== 0) { + throw new RangeError('Buffer size must be a multiple of 16-bits') + } + for (var i = 0; i < len; i += 2) { + swap(this, i, i + 1); + } + return this +}; + +Buffer.prototype.swap32 = function swap32 () { + var len = this.length; + if (len % 4 !== 0) { + throw new RangeError('Buffer size must be a multiple of 32-bits') + } + for (var i = 0; i < len; i += 4) { + swap(this, i, i + 3); + swap(this, i + 1, i + 2); + } + return this +}; + +Buffer.prototype.swap64 = function swap64 () { + var len = this.length; + if (len % 8 !== 0) { + throw new RangeError('Buffer size must be a multiple of 64-bits') + } + for (var i = 0; i < len; i += 8) { + swap(this, i, i + 7); + swap(this, i + 1, i + 6); + swap(this, i + 2, i + 5); + swap(this, i + 3, i + 4); + } + return this +}; + +Buffer.prototype.toString = function toString () { + var length = this.length; + if (length === 0) return '' + if (arguments.length === 0) return utf8Slice(this, 0, length) + return slowToString.apply(this, arguments) +}; + +Buffer.prototype.equals = function equals (b) { + if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer') + if (this === b) return true + return Buffer.compare(this, b) === 0 +}; + +Buffer.prototype.inspect = function inspect () { + var str = ''; + var max = exports.INSPECT_MAX_BYTES; + if (this.length > 0) { + str = this.toString('hex', 0, max).match(/.{2}/g).join(' '); + if (this.length > max) str += ' ... '; + } + return '' +}; + +Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) { + if (!Buffer.isBuffer(target)) { + throw new TypeError('Argument must be a Buffer') + } + + if (start === undefined) { + start = 0; + } + if (end === undefined) { + end = target ? target.length : 0; + } + if (thisStart === undefined) { + thisStart = 0; + } + if (thisEnd === undefined) { + thisEnd = this.length; + } + + if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) { + throw new RangeError('out of range index') + } + + if (thisStart >= thisEnd && start >= end) { + return 0 + } + if (thisStart >= thisEnd) { + return -1 + } + if (start >= end) { + return 1 + } + + start >>>= 0; + end >>>= 0; + thisStart >>>= 0; + thisEnd >>>= 0; + + if (this === target) return 0 + + var x = thisEnd - thisStart; + var y = end - start; + var len = Math.min(x, y); + + var thisCopy = this.slice(thisStart, thisEnd); + var targetCopy = target.slice(start, end); + + for (var i = 0; i < len; ++i) { + if (thisCopy[i] !== targetCopy[i]) { + x = thisCopy[i]; + y = targetCopy[i]; + break + } + } + + if (x < y) return -1 + if (y < x) return 1 + return 0 +}; + +// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`, +// OR the last index of `val` in `buffer` at offset <= `byteOffset`. +// +// Arguments: +// - buffer - a Buffer to search +// - val - a string, Buffer, or number +// - byteOffset - an index into `buffer`; will be clamped to an int32 +// - encoding - an optional encoding, relevant is val is a string +// - dir - true for indexOf, false for lastIndexOf +function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) { + // Empty buffer means no match + if (buffer.length === 0) return -1 + + // Normalize byteOffset + if (typeof byteOffset === 'string') { + encoding = byteOffset; + byteOffset = 0; + } else if (byteOffset > 0x7fffffff) { + byteOffset = 0x7fffffff; + } else if (byteOffset < -0x80000000) { + byteOffset = -0x80000000; + } + byteOffset = +byteOffset; // Coerce to Number. + if (numberIsNaN(byteOffset)) { + // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer + byteOffset = dir ? 0 : (buffer.length - 1); + } + + // Normalize byteOffset: negative offsets start from the end of the buffer + if (byteOffset < 0) byteOffset = buffer.length + byteOffset; + if (byteOffset >= buffer.length) { + if (dir) return -1 + else byteOffset = buffer.length - 1; + } else if (byteOffset < 0) { + if (dir) byteOffset = 0; + else return -1 + } + + // Normalize val + if (typeof val === 'string') { + val = Buffer.from(val, encoding); + } + + // Finally, search either indexOf (if dir is true) or lastIndexOf + if (Buffer.isBuffer(val)) { + // Special case: looking for empty string/buffer always fails + if (val.length === 0) { + return -1 + } + return arrayIndexOf(buffer, val, byteOffset, encoding, dir) + } else if (typeof val === 'number') { + val = val & 0xFF; // Search for a byte value [0-255] + if (typeof Uint8Array.prototype.indexOf === 'function') { + if (dir) { + return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset) + } else { + return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset) + } + } + return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir) + } + + throw new TypeError('val must be string, number or Buffer') +} + +function arrayIndexOf (arr, val, byteOffset, encoding, dir) { + var indexSize = 1; + var arrLength = arr.length; + var valLength = val.length; + + if (encoding !== undefined) { + encoding = String(encoding).toLowerCase(); + if (encoding === 'ucs2' || encoding === 'ucs-2' || + encoding === 'utf16le' || encoding === 'utf-16le') { + if (arr.length < 2 || val.length < 2) { + return -1 + } + indexSize = 2; + arrLength /= 2; + valLength /= 2; + byteOffset /= 2; + } + } + + function read (buf, i) { + if (indexSize === 1) { + return buf[i] + } else { + return buf.readUInt16BE(i * indexSize) + } + } + + var i; + if (dir) { + var foundIndex = -1; + for (i = byteOffset; i < arrLength; i++) { + if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) { + if (foundIndex === -1) foundIndex = i; + if (i - foundIndex + 1 === valLength) return foundIndex * indexSize + } else { + if (foundIndex !== -1) i -= i - foundIndex; + foundIndex = -1; + } + } + } else { + if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength; + for (i = byteOffset; i >= 0; i--) { + var found = true; + for (var j = 0; j < valLength; j++) { + if (read(arr, i + j) !== read(val, j)) { + found = false; + break + } + } + if (found) return i + } + } + + return -1 +} + +Buffer.prototype.includes = function includes (val, byteOffset, encoding) { + return this.indexOf(val, byteOffset, encoding) !== -1 +}; + +Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) { + return bidirectionalIndexOf(this, val, byteOffset, encoding, true) +}; + +Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) { + return bidirectionalIndexOf(this, val, byteOffset, encoding, false) +}; + +function hexWrite (buf, string, offset, length) { + offset = Number(offset) || 0; + var remaining = buf.length - offset; + if (!length) { + length = remaining; + } else { + length = Number(length); + if (length > remaining) { + length = remaining; + } + } + + // must be an even number of digits + var strLen = string.length; + if (strLen % 2 !== 0) throw new TypeError('Invalid hex string') + + if (length > strLen / 2) { + length = strLen / 2; + } + for (var i = 0; i < length; ++i) { + var parsed = parseInt(string.substr(i * 2, 2), 16); + if (numberIsNaN(parsed)) return i + buf[offset + i] = parsed; + } + return i +} + +function utf8Write (buf, string, offset, length) { + return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length) +} + +function asciiWrite (buf, string, offset, length) { + return blitBuffer(asciiToBytes(string), buf, offset, length) +} + +function latin1Write (buf, string, offset, length) { + return asciiWrite(buf, string, offset, length) +} + +function base64Write (buf, string, offset, length) { + return blitBuffer(base64ToBytes(string), buf, offset, length) +} + +function ucs2Write (buf, string, offset, length) { + return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length) +} + +Buffer.prototype.write = function write (string, offset, length, encoding) { + // Buffer#write(string) + if (offset === undefined) { + encoding = 'utf8'; + length = this.length; + offset = 0; + // Buffer#write(string, encoding) + } else if (length === undefined && typeof offset === 'string') { + encoding = offset; + length = this.length; + offset = 0; + // Buffer#write(string, offset[, length][, encoding]) + } else if (isFinite(offset)) { + offset = offset >>> 0; + if (isFinite(length)) { + length = length >>> 0; + if (encoding === undefined) encoding = 'utf8'; + } else { + encoding = length; + length = undefined; + } + } else { + throw new Error( + 'Buffer.write(string, encoding, offset[, length]) is no longer supported' + ) + } + + var remaining = this.length - offset; + if (length === undefined || length > remaining) length = remaining; + + if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) { + throw new RangeError('Attempt to write outside buffer bounds') + } + + if (!encoding) encoding = 'utf8'; + + var loweredCase = false; + for (;;) { + switch (encoding) { + case 'hex': + return hexWrite(this, string, offset, length) + + case 'utf8': + case 'utf-8': + return utf8Write(this, string, offset, length) + + case 'ascii': + return asciiWrite(this, string, offset, length) + + case 'latin1': + case 'binary': + return latin1Write(this, string, offset, length) + + case 'base64': + // Warning: maxLength not taken into account in base64Write + return base64Write(this, string, offset, length) + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return ucs2Write(this, string, offset, length) + + default: + if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) + encoding = ('' + encoding).toLowerCase(); + loweredCase = true; + } + } +}; + +Buffer.prototype.toJSON = function toJSON () { + return { + type: 'Buffer', + data: Array.prototype.slice.call(this._arr || this, 0) + } +}; + +function base64Slice (buf, start, end) { + if (start === 0 && end === buf.length) { + return base64Js.fromByteArray(buf) + } else { + return base64Js.fromByteArray(buf.slice(start, end)) + } +} + +function utf8Slice (buf, start, end) { + end = Math.min(buf.length, end); + var res = []; + + var i = start; + while (i < end) { + var firstByte = buf[i]; + var codePoint = null; + var bytesPerSequence = (firstByte > 0xEF) ? 4 + : (firstByte > 0xDF) ? 3 + : (firstByte > 0xBF) ? 2 + : 1; + + if (i + bytesPerSequence <= end) { + var secondByte, thirdByte, fourthByte, tempCodePoint; + + switch (bytesPerSequence) { + case 1: + if (firstByte < 0x80) { + codePoint = firstByte; + } + break + case 2: + secondByte = buf[i + 1]; + if ((secondByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F); + if (tempCodePoint > 0x7F) { + codePoint = tempCodePoint; + } + } + break + case 3: + secondByte = buf[i + 1]; + thirdByte = buf[i + 2]; + if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F); + if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) { + codePoint = tempCodePoint; + } + } + break + case 4: + secondByte = buf[i + 1]; + thirdByte = buf[i + 2]; + fourthByte = buf[i + 3]; + if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F); + if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) { + codePoint = tempCodePoint; + } + } + } + } + + if (codePoint === null) { + // we did not generate a valid codePoint so insert a + // replacement char (U+FFFD) and advance only 1 byte + codePoint = 0xFFFD; + bytesPerSequence = 1; + } else if (codePoint > 0xFFFF) { + // encode to utf16 (surrogate pair dance) + codePoint -= 0x10000; + res.push(codePoint >>> 10 & 0x3FF | 0xD800); + codePoint = 0xDC00 | codePoint & 0x3FF; + } + + res.push(codePoint); + i += bytesPerSequence; + } + + return decodeCodePointsArray(res) +} + +// Based on http://stackoverflow.com/a/22747272/680742, the browser with +// the lowest limit is Chrome, with 0x10000 args. +// We go 1 magnitude less, for safety +var MAX_ARGUMENTS_LENGTH = 0x1000; + +function decodeCodePointsArray (codePoints) { + var len = codePoints.length; + if (len <= MAX_ARGUMENTS_LENGTH) { + return String.fromCharCode.apply(String, codePoints) // avoid extra slice() + } + + // Decode in chunks to avoid "call stack size exceeded". + var res = ''; + var i = 0; + while (i < len) { + res += String.fromCharCode.apply( + String, + codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH) + ); + } + return res +} + +function asciiSlice (buf, start, end) { + var ret = ''; + end = Math.min(buf.length, end); + + for (var i = start; i < end; ++i) { + ret += String.fromCharCode(buf[i] & 0x7F); + } + return ret +} + +function latin1Slice (buf, start, end) { + var ret = ''; + end = Math.min(buf.length, end); + + for (var i = start; i < end; ++i) { + ret += String.fromCharCode(buf[i]); + } + return ret +} + +function hexSlice (buf, start, end) { + var len = buf.length; + + if (!start || start < 0) start = 0; + if (!end || end < 0 || end > len) end = len; + + var out = ''; + for (var i = start; i < end; ++i) { + out += toHex(buf[i]); + } + return out +} + +function utf16leSlice (buf, start, end) { + var bytes = buf.slice(start, end); + var res = ''; + for (var i = 0; i < bytes.length; i += 2) { + res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256)); + } + return res +} + +Buffer.prototype.slice = function slice (start, end) { + var len = this.length; + start = ~~start; + end = end === undefined ? len : ~~end; + + if (start < 0) { + start += len; + if (start < 0) start = 0; + } else if (start > len) { + start = len; + } + + if (end < 0) { + end += len; + if (end < 0) end = 0; + } else if (end > len) { + end = len; + } + + if (end < start) end = start; + + var newBuf = this.subarray(start, end); + // Return an augmented `Uint8Array` instance + newBuf.__proto__ = Buffer.prototype; + return newBuf +}; + +/* + * Need to make sure that buffer isn't trying to write out of bounds. + */ +function checkOffset (offset, ext, length) { + if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint') + if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length') +} + +Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) { + offset = offset >>> 0; + byteLength = byteLength >>> 0; + if (!noAssert) checkOffset(offset, byteLength, this.length); + + var val = this[offset]; + var mul = 1; + var i = 0; + while (++i < byteLength && (mul *= 0x100)) { + val += this[offset + i] * mul; + } + + return val +}; + +Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) { + offset = offset >>> 0; + byteLength = byteLength >>> 0; + if (!noAssert) { + checkOffset(offset, byteLength, this.length); + } + + var val = this[offset + --byteLength]; + var mul = 1; + while (byteLength > 0 && (mul *= 0x100)) { + val += this[offset + --byteLength] * mul; + } + + return val +}; + +Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) checkOffset(offset, 1, this.length); + return this[offset] +}; + +Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) checkOffset(offset, 2, this.length); + return this[offset] | (this[offset + 1] << 8) +}; + +Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) checkOffset(offset, 2, this.length); + return (this[offset] << 8) | this[offset + 1] +}; + +Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) checkOffset(offset, 4, this.length); + + return ((this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16)) + + (this[offset + 3] * 0x1000000) +}; + +Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) checkOffset(offset, 4, this.length); + + return (this[offset] * 0x1000000) + + ((this[offset + 1] << 16) | + (this[offset + 2] << 8) | + this[offset + 3]) +}; + +Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) { + offset = offset >>> 0; + byteLength = byteLength >>> 0; + if (!noAssert) checkOffset(offset, byteLength, this.length); + + var val = this[offset]; + var mul = 1; + var i = 0; + while (++i < byteLength && (mul *= 0x100)) { + val += this[offset + i] * mul; + } + mul *= 0x80; + + if (val >= mul) val -= Math.pow(2, 8 * byteLength); + + return val +}; + +Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) { + offset = offset >>> 0; + byteLength = byteLength >>> 0; + if (!noAssert) checkOffset(offset, byteLength, this.length); + + var i = byteLength; + var mul = 1; + var val = this[offset + --i]; + while (i > 0 && (mul *= 0x100)) { + val += this[offset + --i] * mul; + } + mul *= 0x80; + + if (val >= mul) val -= Math.pow(2, 8 * byteLength); + + return val +}; + +Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) checkOffset(offset, 1, this.length); + if (!(this[offset] & 0x80)) return (this[offset]) + return ((0xff - this[offset] + 1) * -1) +}; + +Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) checkOffset(offset, 2, this.length); + var val = this[offset] | (this[offset + 1] << 8); + return (val & 0x8000) ? val | 0xFFFF0000 : val +}; + +Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) checkOffset(offset, 2, this.length); + var val = this[offset + 1] | (this[offset] << 8); + return (val & 0x8000) ? val | 0xFFFF0000 : val +}; + +Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) checkOffset(offset, 4, this.length); + + return (this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16) | + (this[offset + 3] << 24) +}; + +Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) checkOffset(offset, 4, this.length); + + return (this[offset] << 24) | + (this[offset + 1] << 16) | + (this[offset + 2] << 8) | + (this[offset + 3]) +}; + +Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) checkOffset(offset, 4, this.length); + return ieee754.read(this, offset, true, 23, 4) +}; + +Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) checkOffset(offset, 4, this.length); + return ieee754.read(this, offset, false, 23, 4) +}; + +Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) checkOffset(offset, 8, this.length); + return ieee754.read(this, offset, true, 52, 8) +}; + +Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) checkOffset(offset, 8, this.length); + return ieee754.read(this, offset, false, 52, 8) +}; + +function checkInt (buf, value, offset, ext, max, min) { + if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance') + if (value > max || value < min) throw new RangeError('"value" argument is out of bounds') + if (offset + ext > buf.length) throw new RangeError('Index out of range') +} + +Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) { + value = +value; + offset = offset >>> 0; + byteLength = byteLength >>> 0; + if (!noAssert) { + var maxBytes = Math.pow(2, 8 * byteLength) - 1; + checkInt(this, value, offset, byteLength, maxBytes, 0); + } + + var mul = 1; + var i = 0; + this[offset] = value & 0xFF; + while (++i < byteLength && (mul *= 0x100)) { + this[offset + i] = (value / mul) & 0xFF; + } + + return offset + byteLength +}; + +Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) { + value = +value; + offset = offset >>> 0; + byteLength = byteLength >>> 0; + if (!noAssert) { + var maxBytes = Math.pow(2, 8 * byteLength) - 1; + checkInt(this, value, offset, byteLength, maxBytes, 0); + } + + var i = byteLength - 1; + var mul = 1; + this[offset + i] = value & 0xFF; + while (--i >= 0 && (mul *= 0x100)) { + this[offset + i] = (value / mul) & 0xFF; + } + + return offset + byteLength +}; + +Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0); + this[offset] = (value & 0xff); + return offset + 1 +}; + +Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0); + this[offset] = (value & 0xff); + this[offset + 1] = (value >>> 8); + return offset + 2 +}; + +Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0); + this[offset] = (value >>> 8); + this[offset + 1] = (value & 0xff); + return offset + 2 +}; + +Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0); + this[offset + 3] = (value >>> 24); + this[offset + 2] = (value >>> 16); + this[offset + 1] = (value >>> 8); + this[offset] = (value & 0xff); + return offset + 4 +}; + +Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0); + this[offset] = (value >>> 24); + this[offset + 1] = (value >>> 16); + this[offset + 2] = (value >>> 8); + this[offset + 3] = (value & 0xff); + return offset + 4 +}; + +Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) { + var limit = Math.pow(2, (8 * byteLength) - 1); + + checkInt(this, value, offset, byteLength, limit - 1, -limit); + } + + var i = 0; + var mul = 1; + var sub = 0; + this[offset] = value & 0xFF; + while (++i < byteLength && (mul *= 0x100)) { + if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) { + sub = 1; + } + this[offset + i] = ((value / mul) >> 0) - sub & 0xFF; + } + + return offset + byteLength +}; + +Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) { + var limit = Math.pow(2, (8 * byteLength) - 1); + + checkInt(this, value, offset, byteLength, limit - 1, -limit); + } + + var i = byteLength - 1; + var mul = 1; + var sub = 0; + this[offset + i] = value & 0xFF; + while (--i >= 0 && (mul *= 0x100)) { + if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) { + sub = 1; + } + this[offset + i] = ((value / mul) >> 0) - sub & 0xFF; + } + + return offset + byteLength +}; + +Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80); + if (value < 0) value = 0xff + value + 1; + this[offset] = (value & 0xff); + return offset + 1 +}; + +Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000); + this[offset] = (value & 0xff); + this[offset + 1] = (value >>> 8); + return offset + 2 +}; + +Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000); + this[offset] = (value >>> 8); + this[offset + 1] = (value & 0xff); + return offset + 2 +}; + +Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000); + this[offset] = (value & 0xff); + this[offset + 1] = (value >>> 8); + this[offset + 2] = (value >>> 16); + this[offset + 3] = (value >>> 24); + return offset + 4 +}; + +Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000); + if (value < 0) value = 0xffffffff + value + 1; + this[offset] = (value >>> 24); + this[offset + 1] = (value >>> 16); + this[offset + 2] = (value >>> 8); + this[offset + 3] = (value & 0xff); + return offset + 4 +}; + +function checkIEEE754 (buf, value, offset, ext, max, min) { + if (offset + ext > buf.length) throw new RangeError('Index out of range') + if (offset < 0) throw new RangeError('Index out of range') +} + +function writeFloat (buf, value, offset, littleEndian, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) { + checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38); + } + ieee754.write(buf, value, offset, littleEndian, 23, 4); + return offset + 4 +} + +Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) { + return writeFloat(this, value, offset, true, noAssert) +}; + +Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) { + return writeFloat(this, value, offset, false, noAssert) +}; + +function writeDouble (buf, value, offset, littleEndian, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) { + checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308); + } + ieee754.write(buf, value, offset, littleEndian, 52, 8); + return offset + 8 +} + +Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) { + return writeDouble(this, value, offset, true, noAssert) +}; + +Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) { + return writeDouble(this, value, offset, false, noAssert) +}; + +// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length) +Buffer.prototype.copy = function copy (target, targetStart, start, end) { + if (!start) start = 0; + if (!end && end !== 0) end = this.length; + if (targetStart >= target.length) targetStart = target.length; + if (!targetStart) targetStart = 0; + if (end > 0 && end < start) end = start; + + // Copy 0 bytes; we're done + if (end === start) return 0 + if (target.length === 0 || this.length === 0) return 0 + + // Fatal error conditions + if (targetStart < 0) { + throw new RangeError('targetStart out of bounds') + } + if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds') + if (end < 0) throw new RangeError('sourceEnd out of bounds') + + // Are we oob? + if (end > this.length) end = this.length; + if (target.length - targetStart < end - start) { + end = target.length - targetStart + start; + } + + var len = end - start; + var i; + + if (this === target && start < targetStart && targetStart < end) { + // descending copy from end + for (i = len - 1; i >= 0; --i) { + target[i + targetStart] = this[i + start]; + } + } else if (len < 1000) { + // ascending copy from start + for (i = 0; i < len; ++i) { + target[i + targetStart] = this[i + start]; + } + } else { + Uint8Array.prototype.set.call( + target, + this.subarray(start, start + len), + targetStart + ); + } + + return len +}; + +// Usage: +// buffer.fill(number[, offset[, end]]) +// buffer.fill(buffer[, offset[, end]]) +// buffer.fill(string[, offset[, end]][, encoding]) +Buffer.prototype.fill = function fill (val, start, end, encoding) { + // Handle string cases: + if (typeof val === 'string') { + if (typeof start === 'string') { + encoding = start; + start = 0; + end = this.length; + } else if (typeof end === 'string') { + encoding = end; + end = this.length; + } + if (val.length === 1) { + var code = val.charCodeAt(0); + if (code < 256) { + val = code; + } + } + if (encoding !== undefined && typeof encoding !== 'string') { + throw new TypeError('encoding must be a string') + } + if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) { + throw new TypeError('Unknown encoding: ' + encoding) + } + } else if (typeof val === 'number') { + val = val & 255; + } + + // Invalid ranges are not set to a default, so can range check early. + if (start < 0 || this.length < start || this.length < end) { + throw new RangeError('Out of range index') + } + + if (end <= start) { + return this + } + + start = start >>> 0; + end = end === undefined ? this.length : end >>> 0; + + if (!val) val = 0; + + var i; + if (typeof val === 'number') { + for (i = start; i < end; ++i) { + this[i] = val; + } + } else { + var bytes = Buffer.isBuffer(val) + ? val + : new Buffer(val, encoding); + var len = bytes.length; + for (i = 0; i < end - start; ++i) { + this[i + start] = bytes[i % len]; + } + } + + return this +}; + +// HELPER FUNCTIONS +// ================ + +var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g; + +function base64clean (str) { + // Node strips out invalid characters like \n and \t from the string, base64-js does not + str = str.trim().replace(INVALID_BASE64_RE, ''); + // Node converts strings with length < 2 to '' + if (str.length < 2) return '' + // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not + while (str.length % 4 !== 0) { + str = str + '='; + } + return str +} + +function toHex (n) { + if (n < 16) return '0' + n.toString(16) + return n.toString(16) +} + +function utf8ToBytes (string, units) { + units = units || Infinity; + var codePoint; + var length = string.length; + var leadSurrogate = null; + var bytes = []; + + for (var i = 0; i < length; ++i) { + codePoint = string.charCodeAt(i); + + // is surrogate component + if (codePoint > 0xD7FF && codePoint < 0xE000) { + // last char was a lead + if (!leadSurrogate) { + // no lead yet + if (codePoint > 0xDBFF) { + // unexpected trail + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD); + continue + } else if (i + 1 === length) { + // unpaired lead + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD); + continue + } + + // valid lead + leadSurrogate = codePoint; + + continue + } + + // 2 leads in a row + if (codePoint < 0xDC00) { + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD); + leadSurrogate = codePoint; + continue + } + + // valid surrogate pair + codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000; + } else if (leadSurrogate) { + // valid bmp char, but last char was a lead + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD); + } + + leadSurrogate = null; + + // encode utf8 + if (codePoint < 0x80) { + if ((units -= 1) < 0) break + bytes.push(codePoint); + } else if (codePoint < 0x800) { + if ((units -= 2) < 0) break + bytes.push( + codePoint >> 0x6 | 0xC0, + codePoint & 0x3F | 0x80 + ); + } else if (codePoint < 0x10000) { + if ((units -= 3) < 0) break + bytes.push( + codePoint >> 0xC | 0xE0, + codePoint >> 0x6 & 0x3F | 0x80, + codePoint & 0x3F | 0x80 + ); + } else if (codePoint < 0x110000) { + if ((units -= 4) < 0) break + bytes.push( + codePoint >> 0x12 | 0xF0, + codePoint >> 0xC & 0x3F | 0x80, + codePoint >> 0x6 & 0x3F | 0x80, + codePoint & 0x3F | 0x80 + ); + } else { + throw new Error('Invalid code point') + } + } + + return bytes +} + +function asciiToBytes (str) { + var byteArray = []; + for (var i = 0; i < str.length; ++i) { + // Node's code seems to be doing this and not & 0x7F.. + byteArray.push(str.charCodeAt(i) & 0xFF); + } + return byteArray +} + +function utf16leToBytes (str, units) { + var c, hi, lo; + var byteArray = []; + for (var i = 0; i < str.length; ++i) { + if ((units -= 2) < 0) break + + c = str.charCodeAt(i); + hi = c >> 8; + lo = c % 256; + byteArray.push(lo); + byteArray.push(hi); + } + + return byteArray +} + +function base64ToBytes (str) { + return base64Js.toByteArray(base64clean(str)) +} + +function blitBuffer (src, dst, offset, length) { + for (var i = 0; i < length; ++i) { + if ((i + offset >= dst.length) || (i >= src.length)) break + dst[i + offset] = src[i]; + } + return i +} + +// ArrayBuffers from another context (i.e. an iframe) do not pass the `instanceof` check +// but they should be treated as valid. See: https://github.com/feross/buffer/issues/166 +function isArrayBuffer (obj) { + return obj instanceof ArrayBuffer || + (obj != null && obj.constructor != null && obj.constructor.name === 'ArrayBuffer' && + typeof obj.byteLength === 'number') +} + +// Node 0.10 supports `ArrayBuffer` but lacks `ArrayBuffer.isView` +function isArrayBufferView (obj) { + return (typeof ArrayBuffer.isView === 'function') && ArrayBuffer.isView(obj) +} + +function numberIsNaN (obj) { + return obj !== obj // eslint-disable-line no-self-compare +} +}); + +var buffer_1 = buffer.Buffer; + +function parseBodyToType$2(res) { + var clone = res.clone(); + return new Promise(function (resolve) { + res.json().then(function (data) { + return resolve(data); + }).catch(function () { + return clone.text().then(function (data) { + return resolve(data); + }); + }); + }).then(function (data) { + return [res, data]; + }); +} + +function rpcRequest(path, body, auth, host, accessToken, options) { + var fetchOptions = { + method: 'POST', + body: body ? JSON.stringify(body) : null + }; + var headers = {}; + if (body) { + headers['Content-Type'] = 'application/json'; + } + var authHeader = ''; + + switch (auth) { + case 'app': + if (!options.clientId || !options.clientSecret) { + throw new Error('A client id and secret is required for this function'); + } + authHeader = new buffer_1(options.clientId + ':' + options.clientSecret).toString('base64'); + headers.Authorization = 'Basic ' + authHeader; + break; + case 'team': + case 'user': + headers.Authorization = 'Bearer ' + accessToken; + break; + case 'noauth': + break; + default: + throw new Error('Unhandled auth type: ' + auth); + } + + if (options) { + if (options.selectUser) { + headers['Dropbox-API-Select-User'] = options.selectUser; + } + if (options.selectAdmin) { + headers['Dropbox-API-Select-Admin'] = options.selectAdmin; + } + } + + fetchOptions.headers = headers; + return fetch(getBaseURL(host) + path, fetchOptions).then(function (res) { + return parseBodyToType$2(res); + }).then(function (_ref) { + var _ref2 = slicedToArray(_ref, 2), + res = _ref2[0], + data = _ref2[1]; + + // maintaining existing API for error codes not equal to 200 range + if (!res.ok) { + // eslint-disable-next-line no-throw-literal + throw { + error: data, + response: res, + status: res.status + }; + } + + return data; + }); +} + +/* eslint-disable */ +// Polyfill object.assign for legacy browsers +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign +if (typeof Object.assign !== 'function') { + (function () { + Object.assign = function (target) { + 'use strict'; + + var output; + var index; + var source; + var nextKey; + if (target === undefined || target === null) { + throw new TypeError('Cannot convert undefined or null to object'); + } + + output = Object(target); + for (index = 1; index < arguments.length; index++) { + source = arguments[index]; + if (source !== undefined && source !== null) { + for (nextKey in source) { + if (source.hasOwnProperty(nextKey)) { + output[nextKey] = source[nextKey]; + } + } + } + } + return output; + }; + })(); +} + +// Polyfill Array.includes for legacy browsers +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/includes +// https://tc39.github.io/ecma262/#sec-array.prototype.includes +if (!Array.prototype.includes) { + Object.defineProperty(Array.prototype, 'includes', { + value: function value(searchElement, fromIndex) { + + if (this == null) { + throw new TypeError('"this" is null or not defined'); + } + + // 1. Let O be ? ToObject(this value). + var o = Object(this); + + // 2. Let len be ? ToLength(? Get(O, "length")). + var len = o.length >>> 0; + + // 3. If len is 0, return false. + if (len === 0) { + return false; + } + + // 4. Let n be ? ToInteger(fromIndex). + // (If fromIndex is undefined, this step produces the value 0.) + var n = fromIndex | 0; + + // 5. If n ≥ 0, then + // a. Let k be n. + // 6. Else n < 0, + // a. Let k be len + n. + // b. If k < 0, let k be 0. + var k = Math.max(n >= 0 ? n : len - Math.abs(n), 0); + + function sameValueZero(x, y) { + return x === y || typeof x === 'number' && typeof y === 'number' && isNaN(x) && isNaN(y); + } + + // 7. Repeat, while k < len + while (k < len) { + // a. Let elementK be the result of ? Get(O, ! ToString(k)). + // b. If SameValueZero(searchElement, elementK) is true, return true. + if (sameValueZero(o[k], searchElement)) { + return true; + } + // c. Increase k by 1. + k++; + } + + // 8. Return false + return false; + } + }); +} +/* eslint-enable */ + +/** + * @private + * @class DropboxBase + * @classdesc The main Dropbox SDK class. This contains the methods that are + * shared between Dropbox and DropboxTeam classes. It is marked as private so + * that it doesn't show up in the docs because it is never used directly. + * @arg {Object} options + * @arg {String} [options.accessToken] - An access token for making authenticated + * requests. + * @arg {String} [options.clientId] - The client id for your app. Used to create + * authentication URL. + * @arg {String} [options.clientSecret] - The client secret for your app. + * @arg {Number} [options.selectUser] - User that the team access token would like + * to act as. + * @arg {String} [options.selectAdmin] - Team admin that the team access token would like + * to act as. + */ + +function parseBodyToType(res) { + var clone = res.clone(); + return new Promise(function (resolve) { + res.json().then(function (data) { + return resolve(data); + }).catch(function () { + return clone.text().then(function (data) { + return resolve(data); + }); + }); + }).then(function (data) { + return [res, data]; + }); +} + +var DropboxBase = function () { + function DropboxBase(options) { + classCallCheck(this, DropboxBase); + + options = options || {}; + this.accessToken = options.accessToken; + this.clientId = options.clientId; + this.clientSecret = options.clientSecret; + this.selectUser = options.selectUser; + this.selectAdmin = options.selectAdmin; + } + + /** + * Set the access token used to authenticate requests to the API. + * @arg {String} accessToken - An access token + * @returns {undefined} + */ + + + createClass(DropboxBase, [{ + key: 'setAccessToken', + value: function setAccessToken(accessToken) { + this.accessToken = accessToken; + } + + /** + * Get the access token + * @returns {String} Access token + */ + + }, { + key: 'getAccessToken', + value: function getAccessToken() { + return this.accessToken; + } + + /** + * Set the client id, which is used to help gain an access token. + * @arg {String} clientId - Your apps client id + * @returns {undefined} + */ + + }, { + key: 'setClientId', + value: function setClientId(clientId) { + this.clientId = clientId; + } + + /** + * Get the client id + * @returns {String} Client id + */ + + }, { + key: 'getClientId', + value: function getClientId() { + return this.clientId; + } + + /** + * Set the client secret + * @arg {String} clientSecret - Your app's client secret + * @returns {undefined} + */ + + }, { + key: 'setClientSecret', + value: function setClientSecret(clientSecret) { + this.clientSecret = clientSecret; + } + + /** + * Get the client secret + * @returns {String} Client secret + */ + + }, { + key: 'getClientSecret', + value: function getClientSecret() { + return this.clientSecret; + } + + /** + * Get a URL that can be used to authenticate users for the Dropbox API. + * @arg {String} redirectUri - A URL to redirect the user to after + * authenticating. This must be added to your app through the admin interface. + * @arg {String} [state] - State that will be returned in the redirect URL to help + * prevent cross site scripting attacks. + * @arg {String} [authType] - auth type, defaults to 'token', other option is 'code' + * @returns {String} Url to send user to for Dropbox API authentication + */ + + }, { + key: 'getAuthenticationUrl', + value: function getAuthenticationUrl(redirectUri, state) { + var authType = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'token'; + + var clientId = this.getClientId(); + var baseUrl = 'https://www.dropbox.com/oauth2/authorize'; + + if (!clientId) { + throw new Error('A client id is required. You can set the client id using .setClientId().'); + } + if (authType !== 'code' && !redirectUri) { + throw new Error('A redirect uri is required.'); + } + if (!['code', 'token'].includes(authType)) { + throw new Error('Authorization type must be code or token'); + } + + var authUrl = void 0; + if (authType === 'code') { + authUrl = baseUrl + '?response_type=code&client_id=' + clientId; + } else { + authUrl = baseUrl + '?response_type=token&client_id=' + clientId; + } + + if (redirectUri) { + authUrl += '&redirect_uri=' + redirectUri; + } + if (state) { + authUrl += '&state=' + state; + } + return authUrl; + } + + /** + * Get an OAuth2 access token from an OAuth2 Code. + * @arg {String} redirectUri - A URL to redirect the user to after + * authenticating. This must be added to your app through the admin interface. + * @arg {String} code - An OAuth2 code. + */ + + }, { + key: 'getAccessTokenFromCode', + value: function getAccessTokenFromCode(redirectUri, code) { + var clientId = this.getClientId(); + var clientSecret = this.getClientSecret(); + + if (!clientId) { + throw new Error('A client id is required. You can set the client id using .setClientId().'); + } + if (!clientSecret) { + throw new Error('A client secret is required. You can set the client id using .setClientSecret().'); + } + var path = 'https://api.dropboxapi.com/oauth2/token?code=' + code + '&grant_type=authorization_code&redirect_uri=' + redirectUri + '&client_id=' + clientId + '&client_secret=' + clientSecret; + + var fetchOptions = { + method: 'POST', + headers: { + 'Content-Type': 'application/x-www-form-urlencoded' + } + }; + + return fetch(path, fetchOptions).then(function (res) { + return parseBodyToType(res); + }).then(function (_ref) { + var _ref2 = slicedToArray(_ref, 2), + res = _ref2[0], + data = _ref2[1]; + + // maintaining existing API for error codes not equal to 200 range + if (!res.ok) { + // eslint-disable-next-line no-throw-literal + throw { + error: data, + response: res, + status: res.status + }; + } + return data.access_token; + }); + } + + /** + * Called when the authentication succeed + * @callback successCallback + * @param {string} access_token The application's access token + */ + + /** + * Called when the authentication failed. + * @callback errorCallback + */ + + /** + * An authentication process that works with cordova applications. + * @param {successCallback} successCallback + * @param {errorCallback} errorCallback + */ + + }, { + key: 'authenticateWithCordova', + value: function authenticateWithCordova(successCallback, errorCallback) { + var redirectUrl = 'https://www.dropbox.com/1/oauth2/redirect_receiver'; + var url = this.getAuthenticationUrl(redirectUrl); + + var removed = false; + var browser = window.open(url, '_blank'); + + function onLoadError() { + // Try to avoid a browser crash on browser.close(). + window.setTimeout(function () { + browser.close(); + }, 10); + errorCallback(); + } + + function onLoadStop(event) { + var errorLabel = '&error='; + var errorIndex = event.url.indexOf(errorLabel); + + if (errorIndex > -1) { + // Try to avoid a browser crash on browser.close(). + window.setTimeout(function () { + browser.close(); + }, 10); + errorCallback(); + } else { + var tokenLabel = '#access_token='; + var tokenIndex = event.url.indexOf(tokenLabel); + var tokenTypeIndex = event.url.indexOf('&token_type='); + if (tokenIndex > -1) { + tokenIndex += tokenLabel.length; + // Try to avoid a browser crash on browser.close(). + window.setTimeout(function () { + browser.close(); + }, 10); + + var accessToken = event.url.substring(tokenIndex, tokenTypeIndex); + successCallback(accessToken); + } + } + } + + function onExit() { + if (removed) { + return; + } + browser.removeEventListener('loaderror', onLoadError); + browser.removeEventListener('loadstop', onLoadStop); + browser.removeEventListener('exit', onExit); + removed = true; + } + + browser.addEventListener('loaderror', onLoadError); + browser.addEventListener('loadstop', onLoadStop); + browser.addEventListener('exit', onExit); + } + }, { + key: 'request', + value: function request(path, args, auth, host, style) { + var request = null; + switch (style) { + case RPC: + request = this.getRpcRequest(); + break; + case DOWNLOAD: + request = this.getDownloadRequest(); + break; + case UPLOAD: + request = this.getUploadRequest(); + break; + default: + throw new Error('Invalid request style: ' + style); + } + var options = { + selectUser: this.selectUser, + selectAdmin: this.selectAdmin, + clientId: this.getClientId(), + clientSecret: this.getClientSecret() + }; + return request(path, args, auth, host, this.getAccessToken(), options); + } + }, { + key: 'setRpcRequest', + value: function setRpcRequest(newRpcRequest) { + this.rpcRequest = newRpcRequest; + } + }, { + key: 'getRpcRequest', + value: function getRpcRequest() { + if (this.rpcRequest === undefined) { + this.rpcRequest = rpcRequest; + } + return this.rpcRequest; + } + }, { + key: 'setDownloadRequest', + value: function setDownloadRequest(newDownloadRequest) { + this.downloadRequest = newDownloadRequest; + } + }, { + key: 'getDownloadRequest', + value: function getDownloadRequest() { + if (this.downloadRequest === undefined) { + this.downloadRequest = downloadRequest; + } + return this.downloadRequest; + } + }, { + key: 'setUploadRequest', + value: function setUploadRequest(newUploadRequest) { + this.uploadRequest = newUploadRequest; + } + }, { + key: 'getUploadRequest', + value: function getUploadRequest() { + if (this.uploadRequest === undefined) { + this.uploadRequest = uploadRequest; + } + return this.uploadRequest; + } + }]); + return DropboxBase; +}(); + +/** + * @class Dropbox + * @extends DropboxBase + * @classdesc The Dropbox SDK class that provides methods to read, write and + * create files or folders in a user's Dropbox. + * @arg {Object} options + * @arg {String} [options.accessToken] - An access token for making authenticated + * requests. + * @arg {String} [options.clientId] - The client id for your app. Used to create + * authentication URL. + * @arg {String} [options.selectUser] - Select user is only used by DropboxTeam. + * It specifies which user the team access token should be acting as. + */ +var Dropbox = function (_DropboxBase) { + inherits(Dropbox, _DropboxBase); + + function Dropbox(options) { + classCallCheck(this, Dropbox); + + var _this = possibleConstructorReturn(this, (Dropbox.__proto__ || Object.getPrototypeOf(Dropbox)).call(this, options)); + + Object.assign(_this, routes); + return _this; + } + + createClass(Dropbox, [{ + key: 'filesGetSharedLinkFile', + value: function filesGetSharedLinkFile(arg) { + return this.request('sharing/get_shared_link_file', arg, 'api', 'download'); + } + }]); + return Dropbox; +}(DropboxBase); + + + +var dropbox = Object.freeze({ + Dropbox: Dropbox +}); + +// Auto-generated by Stone, do not modify. +var routes$1 = {}; + +/** + * List all device sessions of a team's member. + * @function DropboxTeam#teamDevicesListMemberDevices + * @arg {TeamListMemberDevicesArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamDevicesListMemberDevices = function (arg) { + return this.request('team/devices/list_member_devices', arg, 'team', 'api', 'rpc'); +}; + +/** + * List all device sessions of a team. + * @function DropboxTeam#teamDevicesListMembersDevices + * @arg {TeamListMembersDevicesArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamDevicesListMembersDevices = function (arg) { + return this.request('team/devices/list_members_devices', arg, 'team', 'api', 'rpc'); +}; + +/** + * List all device sessions of a team. + * @function DropboxTeam#teamDevicesListTeamDevices + * @deprecated + * @arg {TeamListTeamDevicesArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamDevicesListTeamDevices = function (arg) { + return this.request('team/devices/list_team_devices', arg, 'team', 'api', 'rpc'); +}; + +/** + * Revoke a device session of a team's member. + * @function DropboxTeam#teamDevicesRevokeDeviceSession + * @arg {TeamRevokeDeviceSessionArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamDevicesRevokeDeviceSession = function (arg) { + return this.request('team/devices/revoke_device_session', arg, 'team', 'api', 'rpc'); +}; + +/** + * Revoke a list of device sessions of team members. + * @function DropboxTeam#teamDevicesRevokeDeviceSessionBatch + * @arg {TeamRevokeDeviceSessionBatchArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamDevicesRevokeDeviceSessionBatch = function (arg) { + return this.request('team/devices/revoke_device_session_batch', arg, 'team', 'api', 'rpc'); +}; + +/** + * Get the values for one or more featues. This route allows you to check your + * account's capability for what feature you can access or what value you have + * for certain features. Permission : Team information. + * @function DropboxTeam#teamFeaturesGetValues + * @arg {TeamFeaturesGetValuesBatchArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamFeaturesGetValues = function (arg) { + return this.request('team/features/get_values', arg, 'team', 'api', 'rpc'); +}; + +/** + * Retrieves information about a team. + * @function DropboxTeam#teamGetInfo + * @arg {void} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamGetInfo = function (arg) { + return this.request('team/get_info', arg, 'team', 'api', 'rpc'); +}; + +/** + * Creates a new, empty group, with a requested name. Permission : Team member + * management. + * @function DropboxTeam#teamGroupsCreate + * @arg {TeamGroupCreateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamGroupsCreate = function (arg) { + return this.request('team/groups/create', arg, 'team', 'api', 'rpc'); +}; + +/** + * Deletes a group. The group is deleted immediately. However the revoking of + * group-owned resources may take additional time. Use the groups/job_status/get + * to determine whether this process has completed. Permission : Team member + * management. + * @function DropboxTeam#teamGroupsDelete + * @arg {TeamGroupSelector} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamGroupsDelete = function (arg) { + return this.request('team/groups/delete', arg, 'team', 'api', 'rpc'); +}; + +/** + * Retrieves information about one or more groups. Note that the optional field + * GroupFullInfo.members is not returned for system-managed groups. Permission : + * Team Information. + * @function DropboxTeam#teamGroupsGetInfo + * @arg {TeamGroupsSelector} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamGroupsGetInfo = function (arg) { + return this.request('team/groups/get_info', arg, 'team', 'api', 'rpc'); +}; + +/** + * Once an async_job_id is returned from groups/delete, groups/members/add , or + * groups/members/remove use this method to poll the status of granting/revoking + * group members' access to group-owned resources. Permission : Team member + * management. + * @function DropboxTeam#teamGroupsJobStatusGet + * @arg {AsyncPollArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamGroupsJobStatusGet = function (arg) { + return this.request('team/groups/job_status/get', arg, 'team', 'api', 'rpc'); +}; + +/** + * Lists groups on a team. Permission : Team Information. + * @function DropboxTeam#teamGroupsList + * @arg {TeamGroupsListArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamGroupsList = function (arg) { + return this.request('team/groups/list', arg, 'team', 'api', 'rpc'); +}; + +/** + * Once a cursor has been retrieved from groups/list, use this to paginate + * through all groups. Permission : Team Information. + * @function DropboxTeam#teamGroupsListContinue + * @arg {TeamGroupsListContinueArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamGroupsListContinue = function (arg) { + return this.request('team/groups/list/continue', arg, 'team', 'api', 'rpc'); +}; + +/** + * Adds members to a group. The members are added immediately. However the + * granting of group-owned resources may take additional time. Use the + * groups/job_status/get to determine whether this process has completed. + * Permission : Team member management. + * @function DropboxTeam#teamGroupsMembersAdd + * @arg {TeamGroupMembersAddArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamGroupsMembersAdd = function (arg) { + return this.request('team/groups/members/add', arg, 'team', 'api', 'rpc'); +}; + +/** + * Lists members of a group. Permission : Team Information. + * @function DropboxTeam#teamGroupsMembersList + * @arg {TeamGroupsMembersListArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamGroupsMembersList = function (arg) { + return this.request('team/groups/members/list', arg, 'team', 'api', 'rpc'); +}; + +/** + * Once a cursor has been retrieved from groups/members/list, use this to + * paginate through all members of the group. Permission : Team information. + * @function DropboxTeam#teamGroupsMembersListContinue + * @arg {TeamGroupsMembersListContinueArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamGroupsMembersListContinue = function (arg) { + return this.request('team/groups/members/list/continue', arg, 'team', 'api', 'rpc'); +}; + +/** + * Removes members from a group. The members are removed immediately. However + * the revoking of group-owned resources may take additional time. Use the + * groups/job_status/get to determine whether this process has completed. This + * method permits removing the only owner of a group, even in cases where this + * is not possible via the web client. Permission : Team member management. + * @function DropboxTeam#teamGroupsMembersRemove + * @arg {TeamGroupMembersRemoveArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamGroupsMembersRemove = function (arg) { + return this.request('team/groups/members/remove', arg, 'team', 'api', 'rpc'); +}; + +/** + * Sets a member's access type in a group. Permission : Team member management. + * @function DropboxTeam#teamGroupsMembersSetAccessType + * @arg {TeamGroupMembersSetAccessTypeArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamGroupsMembersSetAccessType = function (arg) { + return this.request('team/groups/members/set_access_type', arg, 'team', 'api', 'rpc'); +}; + +/** + * Updates a group's name and/or external ID. Permission : Team member + * management. + * @function DropboxTeam#teamGroupsUpdate + * @arg {TeamGroupUpdateArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamGroupsUpdate = function (arg) { + return this.request('team/groups/update', arg, 'team', 'api', 'rpc'); +}; + +/** + * List all linked applications of the team member. Note, this endpoint does not + * list any team-linked applications. + * @function DropboxTeam#teamLinkedAppsListMemberLinkedApps + * @arg {TeamListMemberAppsArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamLinkedAppsListMemberLinkedApps = function (arg) { + return this.request('team/linked_apps/list_member_linked_apps', arg, 'team', 'api', 'rpc'); +}; + +/** + * List all applications linked to the team members' accounts. Note, this + * endpoint does not list any team-linked applications. + * @function DropboxTeam#teamLinkedAppsListMembersLinkedApps + * @arg {TeamListMembersAppsArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamLinkedAppsListMembersLinkedApps = function (arg) { + return this.request('team/linked_apps/list_members_linked_apps', arg, 'team', 'api', 'rpc'); +}; + +/** + * List all applications linked to the team members' accounts. Note, this + * endpoint doesn't list any team-linked applications. + * @function DropboxTeam#teamLinkedAppsListTeamLinkedApps + * @deprecated + * @arg {TeamListTeamAppsArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamLinkedAppsListTeamLinkedApps = function (arg) { + return this.request('team/linked_apps/list_team_linked_apps', arg, 'team', 'api', 'rpc'); +}; + +/** + * Revoke a linked application of the team member. + * @function DropboxTeam#teamLinkedAppsRevokeLinkedApp + * @arg {TeamRevokeLinkedApiAppArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamLinkedAppsRevokeLinkedApp = function (arg) { + return this.request('team/linked_apps/revoke_linked_app', arg, 'team', 'api', 'rpc'); +}; + +/** + * Revoke a list of linked applications of the team members. + * @function DropboxTeam#teamLinkedAppsRevokeLinkedAppBatch + * @arg {TeamRevokeLinkedApiAppBatchArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamLinkedAppsRevokeLinkedAppBatch = function (arg) { + return this.request('team/linked_apps/revoke_linked_app_batch', arg, 'team', 'api', 'rpc'); +}; + +/** + * Add users to member space limits excluded users list. + * @function DropboxTeam#teamMemberSpaceLimitsExcludedUsersAdd + * @arg {TeamExcludedUsersUpdateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMemberSpaceLimitsExcludedUsersAdd = function (arg) { + return this.request('team/member_space_limits/excluded_users/add', arg, 'team', 'api', 'rpc'); +}; + +/** + * List member space limits excluded users. + * @function DropboxTeam#teamMemberSpaceLimitsExcludedUsersList + * @arg {TeamExcludedUsersListArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMemberSpaceLimitsExcludedUsersList = function (arg) { + return this.request('team/member_space_limits/excluded_users/list', arg, 'team', 'api', 'rpc'); +}; + +/** + * Continue listing member space limits excluded users. + * @function DropboxTeam#teamMemberSpaceLimitsExcludedUsersListContinue + * @arg {TeamExcludedUsersListContinueArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMemberSpaceLimitsExcludedUsersListContinue = function (arg) { + return this.request('team/member_space_limits/excluded_users/list/continue', arg, 'team', 'api', 'rpc'); +}; + +/** + * Remove users from member space limits excluded users list. + * @function DropboxTeam#teamMemberSpaceLimitsExcludedUsersRemove + * @arg {TeamExcludedUsersUpdateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMemberSpaceLimitsExcludedUsersRemove = function (arg) { + return this.request('team/member_space_limits/excluded_users/remove', arg, 'team', 'api', 'rpc'); +}; + +/** + * Get users custom quota. Returns none as the custom quota if none was set. A + * maximum of 1000 members can be specified in a single call. + * @function DropboxTeam#teamMemberSpaceLimitsGetCustomQuota + * @arg {TeamCustomQuotaUsersArg} arg - The request parameters. + * @returns {Promise., Error.>} + */ +routes$1.teamMemberSpaceLimitsGetCustomQuota = function (arg) { + return this.request('team/member_space_limits/get_custom_quota', arg, 'team', 'api', 'rpc'); +}; + +/** + * Remove users custom quota. A maximum of 1000 members can be specified in a + * single call. + * @function DropboxTeam#teamMemberSpaceLimitsRemoveCustomQuota + * @arg {TeamCustomQuotaUsersArg} arg - The request parameters. + * @returns {Promise., Error.>} + */ +routes$1.teamMemberSpaceLimitsRemoveCustomQuota = function (arg) { + return this.request('team/member_space_limits/remove_custom_quota', arg, 'team', 'api', 'rpc'); +}; + +/** + * Set users custom quota. Custom quota has to be at least 15GB. A maximum of + * 1000 members can be specified in a single call. + * @function DropboxTeam#teamMemberSpaceLimitsSetCustomQuota + * @arg {TeamSetCustomQuotaArg} arg - The request parameters. + * @returns {Promise., Error.>} + */ +routes$1.teamMemberSpaceLimitsSetCustomQuota = function (arg) { + return this.request('team/member_space_limits/set_custom_quota', arg, 'team', 'api', 'rpc'); +}; + +/** + * Adds members to a team. Permission : Team member management A maximum of 20 + * members can be specified in a single call. If no Dropbox account exists with + * the email address specified, a new Dropbox account will be created with the + * given email address, and that account will be invited to the team. If a + * personal Dropbox account exists with the email address specified in the call, + * this call will create a placeholder Dropbox account for the user on the team + * and send an email inviting the user to migrate their existing personal + * account onto the team. Team member management apps are required to set an + * initial given_name and surname for a user to use in the team invitation and + * for 'Perform as team member' actions taken on the user before they become + * 'active'. + * @function DropboxTeam#teamMembersAdd + * @arg {TeamMembersAddArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMembersAdd = function (arg) { + return this.request('team/members/add', arg, 'team', 'api', 'rpc'); +}; + +/** + * Once an async_job_id is returned from members/add , use this to poll the + * status of the asynchronous request. Permission : Team member management. + * @function DropboxTeam#teamMembersAddJobStatusGet + * @arg {AsyncPollArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMembersAddJobStatusGet = function (arg) { + return this.request('team/members/add/job_status/get', arg, 'team', 'api', 'rpc'); +}; + +/** + * Returns information about multiple team members. Permission : Team + * information This endpoint will return MembersGetInfoItem.id_not_found, for + * IDs (or emails) that cannot be matched to a valid team member. + * @function DropboxTeam#teamMembersGetInfo + * @arg {TeamMembersGetInfoArgs} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMembersGetInfo = function (arg) { + return this.request('team/members/get_info', arg, 'team', 'api', 'rpc'); +}; + +/** + * Lists members of a team. Permission : Team information. + * @function DropboxTeam#teamMembersList + * @arg {TeamMembersListArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMembersList = function (arg) { + return this.request('team/members/list', arg, 'team', 'api', 'rpc'); +}; + +/** + * Once a cursor has been retrieved from members/list, use this to paginate + * through all team members. Permission : Team information. + * @function DropboxTeam#teamMembersListContinue + * @arg {TeamMembersListContinueArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMembersListContinue = function (arg) { + return this.request('team/members/list/continue', arg, 'team', 'api', 'rpc'); +}; + +/** + * Recover a deleted member. Permission : Team member management Exactly one of + * team_member_id, email, or external_id must be provided to identify the user + * account. + * @function DropboxTeam#teamMembersRecover + * @arg {TeamMembersRecoverArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMembersRecover = function (arg) { + return this.request('team/members/recover', arg, 'team', 'api', 'rpc'); +}; + +/** + * Removes a member from a team. Permission : Team member management Exactly one + * of team_member_id, email, or external_id must be provided to identify the + * user account. Accounts can be recovered via members/recover for a 7 day + * period or until the account has been permanently deleted or transferred to + * another account (whichever comes first). Calling members/add while a user is + * still recoverable on your team will return with + * MemberAddResult.user_already_on_team. Accounts can have their files + * transferred via the admin console for a limited time, based on the version + * history length associated with the team (120 days for most teams). This + * endpoint may initiate an asynchronous job. To obtain the final result of the + * job, the client should periodically poll members/remove/job_status/get. + * @function DropboxTeam#teamMembersRemove + * @arg {TeamMembersRemoveArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMembersRemove = function (arg) { + return this.request('team/members/remove', arg, 'team', 'api', 'rpc'); +}; + +/** + * Once an async_job_id is returned from members/remove , use this to poll the + * status of the asynchronous request. Permission : Team member management. + * @function DropboxTeam#teamMembersRemoveJobStatusGet + * @arg {AsyncPollArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMembersRemoveJobStatusGet = function (arg) { + return this.request('team/members/remove/job_status/get', arg, 'team', 'api', 'rpc'); +}; + +/** + * Sends welcome email to pending team member. Permission : Team member + * management Exactly one of team_member_id, email, or external_id must be + * provided to identify the user account. No-op if team member is not pending. + * @function DropboxTeam#teamMembersSendWelcomeEmail + * @arg {TeamUserSelectorArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMembersSendWelcomeEmail = function (arg) { + return this.request('team/members/send_welcome_email', arg, 'team', 'api', 'rpc'); +}; + +/** + * Updates a team member's permissions. Permission : Team member management. + * @function DropboxTeam#teamMembersSetAdminPermissions + * @arg {TeamMembersSetPermissionsArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMembersSetAdminPermissions = function (arg) { + return this.request('team/members/set_admin_permissions', arg, 'team', 'api', 'rpc'); +}; + +/** + * Updates a team member's profile. Permission : Team member management. + * @function DropboxTeam#teamMembersSetProfile + * @arg {TeamMembersSetProfileArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMembersSetProfile = function (arg) { + return this.request('team/members/set_profile', arg, 'team', 'api', 'rpc'); +}; + +/** + * Suspend a member from a team. Permission : Team member management Exactly one + * of team_member_id, email, or external_id must be provided to identify the + * user account. + * @function DropboxTeam#teamMembersSuspend + * @arg {TeamMembersDeactivateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMembersSuspend = function (arg) { + return this.request('team/members/suspend', arg, 'team', 'api', 'rpc'); +}; + +/** + * Unsuspend a member from a team. Permission : Team member management Exactly + * one of team_member_id, email, or external_id must be provided to identify the + * user account. + * @function DropboxTeam#teamMembersUnsuspend + * @arg {TeamMembersUnsuspendArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamMembersUnsuspend = function (arg) { + return this.request('team/members/unsuspend', arg, 'team', 'api', 'rpc'); +}; + +/** + * Returns a list of all team-accessible namespaces. This list includes team + * folders, shared folders containing team members, team members' home + * namespaces, and team members' app folders. Home namespaces and app folders + * are always owned by this team or members of the team, but shared folders may + * be owned by other users or other teams. Duplicates may occur in the list. + * @function DropboxTeam#teamNamespacesList + * @arg {TeamTeamNamespacesListArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamNamespacesList = function (arg) { + return this.request('team/namespaces/list', arg, 'team', 'api', 'rpc'); +}; + +/** + * Once a cursor has been retrieved from namespaces/list, use this to paginate + * through all team-accessible namespaces. Duplicates may occur in the list. + * @function DropboxTeam#teamNamespacesListContinue + * @arg {TeamTeamNamespacesListContinueArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamNamespacesListContinue = function (arg) { + return this.request('team/namespaces/list/continue', arg, 'team', 'api', 'rpc'); +}; + +/** + * @function DropboxTeam#teamPropertiesTemplateAdd + * @deprecated + * @arg {FilePropertiesAddTemplateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamPropertiesTemplateAdd = function (arg) { + return this.request('team/properties/template/add', arg, 'team', 'api', 'rpc'); +}; + +/** + * @function DropboxTeam#teamPropertiesTemplateGet + * @deprecated + * @arg {FilePropertiesGetTemplateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamPropertiesTemplateGet = function (arg) { + return this.request('team/properties/template/get', arg, 'team', 'api', 'rpc'); +}; + +/** + * @function DropboxTeam#teamPropertiesTemplateList + * @deprecated + * @arg {void} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamPropertiesTemplateList = function (arg) { + return this.request('team/properties/template/list', arg, 'team', 'api', 'rpc'); +}; + +/** + * @function DropboxTeam#teamPropertiesTemplateUpdate + * @deprecated + * @arg {FilePropertiesUpdateTemplateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamPropertiesTemplateUpdate = function (arg) { + return this.request('team/properties/template/update', arg, 'team', 'api', 'rpc'); +}; + +/** + * Retrieves reporting data about a team's user activity. + * @function DropboxTeam#teamReportsGetActivity + * @arg {TeamDateRange} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamReportsGetActivity = function (arg) { + return this.request('team/reports/get_activity', arg, 'team', 'api', 'rpc'); +}; + +/** + * Retrieves reporting data about a team's linked devices. + * @function DropboxTeam#teamReportsGetDevices + * @arg {TeamDateRange} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamReportsGetDevices = function (arg) { + return this.request('team/reports/get_devices', arg, 'team', 'api', 'rpc'); +}; + +/** + * Retrieves reporting data about a team's membership. + * @function DropboxTeam#teamReportsGetMembership + * @arg {TeamDateRange} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamReportsGetMembership = function (arg) { + return this.request('team/reports/get_membership', arg, 'team', 'api', 'rpc'); +}; + +/** + * Retrieves reporting data about a team's storage usage. + * @function DropboxTeam#teamReportsGetStorage + * @arg {TeamDateRange} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamReportsGetStorage = function (arg) { + return this.request('team/reports/get_storage', arg, 'team', 'api', 'rpc'); +}; + +/** + * Sets an archived team folder's status to active. Permission : Team member + * file access. + * @function DropboxTeam#teamTeamFolderActivate + * @arg {TeamTeamFolderIdArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamTeamFolderActivate = function (arg) { + return this.request('team/team_folder/activate', arg, 'team', 'api', 'rpc'); +}; + +/** + * Sets an active team folder's status to archived and removes all folder and + * file members. Permission : Team member file access. + * @function DropboxTeam#teamTeamFolderArchive + * @arg {TeamTeamFolderArchiveArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamTeamFolderArchive = function (arg) { + return this.request('team/team_folder/archive', arg, 'team', 'api', 'rpc'); +}; + +/** + * Returns the status of an asynchronous job for archiving a team folder. + * Permission : Team member file access. + * @function DropboxTeam#teamTeamFolderArchiveCheck + * @arg {AsyncPollArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamTeamFolderArchiveCheck = function (arg) { + return this.request('team/team_folder/archive/check', arg, 'team', 'api', 'rpc'); +}; + +/** + * Creates a new, active, team folder with no members. Permission : Team member + * file access. + * @function DropboxTeam#teamTeamFolderCreate + * @arg {TeamTeamFolderCreateArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamTeamFolderCreate = function (arg) { + return this.request('team/team_folder/create', arg, 'team', 'api', 'rpc'); +}; + +/** + * Retrieves metadata for team folders. Permission : Team member file access. + * @function DropboxTeam#teamTeamFolderGetInfo + * @arg {TeamTeamFolderIdListArg} arg - The request parameters. + * @returns {Promise., Error.>} + */ +routes$1.teamTeamFolderGetInfo = function (arg) { + return this.request('team/team_folder/get_info', arg, 'team', 'api', 'rpc'); +}; + +/** + * Lists all team folders. Permission : Team member file access. + * @function DropboxTeam#teamTeamFolderList + * @arg {TeamTeamFolderListArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamTeamFolderList = function (arg) { + return this.request('team/team_folder/list', arg, 'team', 'api', 'rpc'); +}; + +/** + * Once a cursor has been retrieved from team_folder/list, use this to paginate + * through all team folders. Permission : Team member file access. + * @function DropboxTeam#teamTeamFolderListContinue + * @arg {TeamTeamFolderListContinueArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamTeamFolderListContinue = function (arg) { + return this.request('team/team_folder/list/continue', arg, 'team', 'api', 'rpc'); +}; + +/** + * Permanently deletes an archived team folder. Permission : Team member file + * access. + * @function DropboxTeam#teamTeamFolderPermanentlyDelete + * @arg {TeamTeamFolderIdArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamTeamFolderPermanentlyDelete = function (arg) { + return this.request('team/team_folder/permanently_delete', arg, 'team', 'api', 'rpc'); +}; + +/** + * Changes an active team folder's name. Permission : Team member file access. + * @function DropboxTeam#teamTeamFolderRename + * @arg {TeamTeamFolderRenameArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamTeamFolderRename = function (arg) { + return this.request('team/team_folder/rename', arg, 'team', 'api', 'rpc'); +}; + +/** + * Updates the sync settings on a team folder or its contents. Use of this + * endpoint requires that the team has team selective sync enabled. + * @function DropboxTeam#teamTeamFolderUpdateSyncSettings + * @arg {TeamTeamFolderUpdateSyncSettingsArg} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamTeamFolderUpdateSyncSettings = function (arg) { + return this.request('team/team_folder/update_sync_settings', arg, 'team', 'api', 'rpc'); +}; + +/** + * Returns the member profile of the admin who generated the team access token + * used to make the call. + * @function DropboxTeam#teamTokenGetAuthenticatedAdmin + * @arg {void} arg - The request parameters. + * @returns {Promise.>} + */ +routes$1.teamTokenGetAuthenticatedAdmin = function (arg) { + return this.request('team/token/get_authenticated_admin', arg, 'team', 'api', 'rpc'); +}; + +/** + * @class DropboxTeam + * @extends DropboxBase + * @classdesc The Dropbox SDK class that provides access to team endpoints. + * @arg {Object} options + * @arg {String} [options.accessToken] - An access token for making authenticated + * requests. + * @arg {String} [options.clientId] - The client id for your app. Used to create + * authentication URL. + */ +var DropboxTeam = function (_DropboxBase) { + inherits(DropboxTeam, _DropboxBase); + + function DropboxTeam(options) { + classCallCheck(this, DropboxTeam); + + var _this = possibleConstructorReturn(this, (DropboxTeam.__proto__ || Object.getPrototypeOf(DropboxTeam)).call(this, options)); + + Object.assign(_this, routes$1); + return _this; + } + + /** + * Returns an instance of Dropbox that can make calls to user api endpoints on + * behalf of the passed user id, using the team access token. + * @arg {String} userId - The user id to use the Dropbox class as + * @returns {Dropbox} An instance of Dropbox used to make calls to user api + * endpoints + */ + + + createClass(DropboxTeam, [{ + key: 'actAsUser', + value: function actAsUser(userId) { + return new Dropbox({ + accessToken: this.accessToken, + clientId: this.clientId, + selectUser: userId + }); + } + }]); + return DropboxTeam; +}(DropboxBase); + + + +var dropboxTeam = Object.freeze({ + DropboxTeam: DropboxTeam +}); + +var src = { + Dropbox: dropbox.Dropbox, + DropboxTeam: dropboxTeam.DropboxTeam +}; + +return src; + +}))); +//# sourceMappingURL=Dropbox-sdk.js.map diff --git a/sync/vendor/zipjs/LICENSE b/sync/vendor/zipjs/LICENSE new file mode 100755 index 00000000..2c3ff4a1 --- /dev/null +++ b/sync/vendor/zipjs/LICENSE @@ -0,0 +1,22 @@ +/* + Copyright (c) 2013 Gildas Lormeau. All rights reserved. + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the distribution. + 3. The names of the authors may not be used to endorse or promote products + derived from this software without specific prior written permission. + THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT, + INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ diff --git a/sync/vendor/zipjs/deflate.js b/sync/vendor/zipjs/deflate.js new file mode 100755 index 00000000..8ac3c0af --- /dev/null +++ b/sync/vendor/zipjs/deflate.js @@ -0,0 +1,2060 @@ +/* + Copyright (c) 2013 Gildas Lormeau. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the distribution. + + 3. The names of the authors may not be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT, + INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * This program is based on JZlib 1.0.2 ymnk, JCraft,Inc. + * JZlib is based on zlib-1.1.3, so all credit should go authors + * Jean-loup Gailly(jloup@gzip.org) and Mark Adler(madler@alumni.caltech.edu) + * and contributors of zlib. + */ + +(function(global) { + "use strict"; + + // Global + + var MAX_BITS = 15; + var D_CODES = 30; + var BL_CODES = 19; + + var LENGTH_CODES = 29; + var LITERALS = 256; + var L_CODES = (LITERALS + 1 + LENGTH_CODES); + var HEAP_SIZE = (2 * L_CODES + 1); + + var END_BLOCK = 256; + + // Bit length codes must not exceed MAX_BL_BITS bits + var MAX_BL_BITS = 7; + + // repeat previous bit length 3-6 times (2 bits of repeat count) + var REP_3_6 = 16; + + // repeat a zero length 3-10 times (3 bits of repeat count) + var REPZ_3_10 = 17; + + // repeat a zero length 11-138 times (7 bits of repeat count) + var REPZ_11_138 = 18; + + // The lengths of the bit length codes are sent in order of decreasing + // probability, to avoid transmitting the lengths for unused bit + // length codes. + + var Buf_size = 8 * 2; + + // JZlib version : "1.0.2" + var Z_DEFAULT_COMPRESSION = -1; + + // compression strategy + var Z_FILTERED = 1; + var Z_HUFFMAN_ONLY = 2; + var Z_DEFAULT_STRATEGY = 0; + + var Z_NO_FLUSH = 0; + var Z_PARTIAL_FLUSH = 1; + var Z_FULL_FLUSH = 3; + var Z_FINISH = 4; + + var Z_OK = 0; + var Z_STREAM_END = 1; + var Z_NEED_DICT = 2; + var Z_STREAM_ERROR = -2; + var Z_DATA_ERROR = -3; + var Z_BUF_ERROR = -5; + + // Tree + + // see definition of array dist_code below + var _dist_code = [ 0, 1, 2, 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 0, 0, 16, 17, 18, 18, 19, 19, + 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 29, + 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, + 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29 ]; + + function Tree() { + var that = this; + + // dyn_tree; // the dynamic tree + // max_code; // largest code with non zero frequency + // stat_desc; // the corresponding static tree + + // Compute the optimal bit lengths for a tree and update the total bit + // length + // for the current block. + // IN assertion: the fields freq and dad are set, heap[heap_max] and + // above are the tree nodes sorted by increasing frequency. + // OUT assertions: the field len is set to the optimal bit length, the + // array bl_count contains the frequencies for each bit length. + // The length opt_len is updated; static_len is also updated if stree is + // not null. + function gen_bitlen(s) { + var tree = that.dyn_tree; + var stree = that.stat_desc.static_tree; + var extra = that.stat_desc.extra_bits; + var base = that.stat_desc.extra_base; + var max_length = that.stat_desc.max_length; + var h; // heap index + var n, m; // iterate over the tree elements + var bits; // bit length + var xbits; // extra bits + var f; // frequency + var overflow = 0; // number of elements with bit length too large + + for (bits = 0; bits <= MAX_BITS; bits++) + s.bl_count[bits] = 0; + + // In a first pass, compute the optimal bit lengths (which may + // overflow in the case of the bit length tree). + tree[s.heap[s.heap_max] * 2 + 1] = 0; // root of the heap + + for (h = s.heap_max + 1; h < HEAP_SIZE; h++) { + n = s.heap[h]; + bits = tree[tree[n * 2 + 1] * 2 + 1] + 1; + if (bits > max_length) { + bits = max_length; + overflow++; + } + tree[n * 2 + 1] = bits; + // We overwrite tree[n*2+1] which is no longer needed + + if (n > that.max_code) + continue; // not a leaf node + + s.bl_count[bits]++; + xbits = 0; + if (n >= base) + xbits = extra[n - base]; + f = tree[n * 2]; + s.opt_len += f * (bits + xbits); + if (stree) + s.static_len += f * (stree[n * 2 + 1] + xbits); + } + if (overflow === 0) + return; + + // This happens for example on obj2 and pic of the Calgary corpus + // Find the first bit length which could increase: + do { + bits = max_length - 1; + while (s.bl_count[bits] === 0) + bits--; + s.bl_count[bits]--; // move one leaf down the tree + s.bl_count[bits + 1] += 2; // move one overflow item as its brother + s.bl_count[max_length]--; + // The brother of the overflow item also moves one step up, + // but this does not affect bl_count[max_length] + overflow -= 2; + } while (overflow > 0); + + for (bits = max_length; bits !== 0; bits--) { + n = s.bl_count[bits]; + while (n !== 0) { + m = s.heap[--h]; + if (m > that.max_code) + continue; + if (tree[m * 2 + 1] != bits) { + s.opt_len += (bits - tree[m * 2 + 1]) * tree[m * 2]; + tree[m * 2 + 1] = bits; + } + n--; + } + } + } + + // Reverse the first len bits of a code, using straightforward code (a + // faster + // method would use a table) + // IN assertion: 1 <= len <= 15 + function bi_reverse(code, // the value to invert + len // its bit length + ) { + var res = 0; + do { + res |= code & 1; + code >>>= 1; + res <<= 1; + } while (--len > 0); + return res >>> 1; + } + + // Generate the codes for a given tree and bit counts (which need not be + // optimal). + // IN assertion: the array bl_count contains the bit length statistics for + // the given tree and the field len is set for all tree elements. + // OUT assertion: the field code is set for all tree elements of non + // zero code length. + function gen_codes(tree, // the tree to decorate + max_code, // largest code with non zero frequency + bl_count // number of codes at each bit length + ) { + var next_code = []; // next code value for each + // bit length + var code = 0; // running code value + var bits; // bit index + var n; // code index + var len; + + // The distribution counts are first used to generate the code values + // without bit reversal. + for (bits = 1; bits <= MAX_BITS; bits++) { + next_code[bits] = code = ((code + bl_count[bits - 1]) << 1); + } + + // Check that the bit counts in bl_count are consistent. The last code + // must be all ones. + // Assert (code + bl_count[MAX_BITS]-1 == (1<= 1; n--) + s.pqdownheap(tree, n); + + // Construct the Huffman tree by repeatedly combining the least two + // frequent nodes. + + node = elems; // next internal node of the tree + do { + // n = node of least frequency + n = s.heap[1]; + s.heap[1] = s.heap[s.heap_len--]; + s.pqdownheap(tree, 1); + m = s.heap[1]; // m = node of next least frequency + + s.heap[--s.heap_max] = n; // keep the nodes sorted by frequency + s.heap[--s.heap_max] = m; + + // Create a new node father of n and m + tree[node * 2] = (tree[n * 2] + tree[m * 2]); + s.depth[node] = Math.max(s.depth[n], s.depth[m]) + 1; + tree[n * 2 + 1] = tree[m * 2 + 1] = node; + + // and insert the new node in the heap + s.heap[1] = node++; + s.pqdownheap(tree, 1); + } while (s.heap_len >= 2); + + s.heap[--s.heap_max] = s.heap[1]; + + // At this point, the fields freq and dad are set. We can now + // generate the bit lengths. + + gen_bitlen(s); + + // The field len is now set, we can generate the bit codes + gen_codes(tree, that.max_code, s.bl_count); + }; + + } + + Tree._length_code = [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, + 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28 ]; + + Tree.base_length = [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 0 ]; + + Tree.base_dist = [ 0, 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 2048, 3072, 4096, 6144, 8192, 12288, 16384, + 24576 ]; + + // Mapping from a distance to a distance code. dist is the distance - 1 and + // must not have side effects. _dist_code[256] and _dist_code[257] are never + // used. + Tree.d_code = function(dist) { + return ((dist) < 256 ? _dist_code[dist] : _dist_code[256 + ((dist) >>> 7)]); + }; + + // extra bits for each length code + Tree.extra_lbits = [ 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0 ]; + + // extra bits for each distance code + Tree.extra_dbits = [ 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13 ]; + + // extra bits for each bit length code + Tree.extra_blbits = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 7 ]; + + Tree.bl_order = [ 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 ]; + + // StaticTree + + function StaticTree(static_tree, extra_bits, extra_base, elems, max_length) { + var that = this; + that.static_tree = static_tree; + that.extra_bits = extra_bits; + that.extra_base = extra_base; + that.elems = elems; + that.max_length = max_length; + } + + StaticTree.static_ltree = [ 12, 8, 140, 8, 76, 8, 204, 8, 44, 8, 172, 8, 108, 8, 236, 8, 28, 8, 156, 8, 92, 8, 220, 8, 60, 8, 188, 8, 124, 8, 252, 8, 2, 8, + 130, 8, 66, 8, 194, 8, 34, 8, 162, 8, 98, 8, 226, 8, 18, 8, 146, 8, 82, 8, 210, 8, 50, 8, 178, 8, 114, 8, 242, 8, 10, 8, 138, 8, 74, 8, 202, 8, 42, + 8, 170, 8, 106, 8, 234, 8, 26, 8, 154, 8, 90, 8, 218, 8, 58, 8, 186, 8, 122, 8, 250, 8, 6, 8, 134, 8, 70, 8, 198, 8, 38, 8, 166, 8, 102, 8, 230, 8, + 22, 8, 150, 8, 86, 8, 214, 8, 54, 8, 182, 8, 118, 8, 246, 8, 14, 8, 142, 8, 78, 8, 206, 8, 46, 8, 174, 8, 110, 8, 238, 8, 30, 8, 158, 8, 94, 8, + 222, 8, 62, 8, 190, 8, 126, 8, 254, 8, 1, 8, 129, 8, 65, 8, 193, 8, 33, 8, 161, 8, 97, 8, 225, 8, 17, 8, 145, 8, 81, 8, 209, 8, 49, 8, 177, 8, 113, + 8, 241, 8, 9, 8, 137, 8, 73, 8, 201, 8, 41, 8, 169, 8, 105, 8, 233, 8, 25, 8, 153, 8, 89, 8, 217, 8, 57, 8, 185, 8, 121, 8, 249, 8, 5, 8, 133, 8, + 69, 8, 197, 8, 37, 8, 165, 8, 101, 8, 229, 8, 21, 8, 149, 8, 85, 8, 213, 8, 53, 8, 181, 8, 117, 8, 245, 8, 13, 8, 141, 8, 77, 8, 205, 8, 45, 8, + 173, 8, 109, 8, 237, 8, 29, 8, 157, 8, 93, 8, 221, 8, 61, 8, 189, 8, 125, 8, 253, 8, 19, 9, 275, 9, 147, 9, 403, 9, 83, 9, 339, 9, 211, 9, 467, 9, + 51, 9, 307, 9, 179, 9, 435, 9, 115, 9, 371, 9, 243, 9, 499, 9, 11, 9, 267, 9, 139, 9, 395, 9, 75, 9, 331, 9, 203, 9, 459, 9, 43, 9, 299, 9, 171, 9, + 427, 9, 107, 9, 363, 9, 235, 9, 491, 9, 27, 9, 283, 9, 155, 9, 411, 9, 91, 9, 347, 9, 219, 9, 475, 9, 59, 9, 315, 9, 187, 9, 443, 9, 123, 9, 379, + 9, 251, 9, 507, 9, 7, 9, 263, 9, 135, 9, 391, 9, 71, 9, 327, 9, 199, 9, 455, 9, 39, 9, 295, 9, 167, 9, 423, 9, 103, 9, 359, 9, 231, 9, 487, 9, 23, + 9, 279, 9, 151, 9, 407, 9, 87, 9, 343, 9, 215, 9, 471, 9, 55, 9, 311, 9, 183, 9, 439, 9, 119, 9, 375, 9, 247, 9, 503, 9, 15, 9, 271, 9, 143, 9, + 399, 9, 79, 9, 335, 9, 207, 9, 463, 9, 47, 9, 303, 9, 175, 9, 431, 9, 111, 9, 367, 9, 239, 9, 495, 9, 31, 9, 287, 9, 159, 9, 415, 9, 95, 9, 351, 9, + 223, 9, 479, 9, 63, 9, 319, 9, 191, 9, 447, 9, 127, 9, 383, 9, 255, 9, 511, 9, 0, 7, 64, 7, 32, 7, 96, 7, 16, 7, 80, 7, 48, 7, 112, 7, 8, 7, 72, 7, + 40, 7, 104, 7, 24, 7, 88, 7, 56, 7, 120, 7, 4, 7, 68, 7, 36, 7, 100, 7, 20, 7, 84, 7, 52, 7, 116, 7, 3, 8, 131, 8, 67, 8, 195, 8, 35, 8, 163, 8, + 99, 8, 227, 8 ]; + + StaticTree.static_dtree = [ 0, 5, 16, 5, 8, 5, 24, 5, 4, 5, 20, 5, 12, 5, 28, 5, 2, 5, 18, 5, 10, 5, 26, 5, 6, 5, 22, 5, 14, 5, 30, 5, 1, 5, 17, 5, 9, 5, + 25, 5, 5, 5, 21, 5, 13, 5, 29, 5, 3, 5, 19, 5, 11, 5, 27, 5, 7, 5, 23, 5 ]; + + StaticTree.static_l_desc = new StaticTree(StaticTree.static_ltree, Tree.extra_lbits, LITERALS + 1, L_CODES, MAX_BITS); + + StaticTree.static_d_desc = new StaticTree(StaticTree.static_dtree, Tree.extra_dbits, 0, D_CODES, MAX_BITS); + + StaticTree.static_bl_desc = new StaticTree(null, Tree.extra_blbits, 0, BL_CODES, MAX_BL_BITS); + + // Deflate + + var MAX_MEM_LEVEL = 9; + var DEF_MEM_LEVEL = 8; + + function Config(good_length, max_lazy, nice_length, max_chain, func) { + var that = this; + that.good_length = good_length; + that.max_lazy = max_lazy; + that.nice_length = nice_length; + that.max_chain = max_chain; + that.func = func; + } + + var STORED = 0; + var FAST = 1; + var SLOW = 2; + var config_table = [ new Config(0, 0, 0, 0, STORED), new Config(4, 4, 8, 4, FAST), new Config(4, 5, 16, 8, FAST), new Config(4, 6, 32, 32, FAST), + new Config(4, 4, 16, 16, SLOW), new Config(8, 16, 32, 32, SLOW), new Config(8, 16, 128, 128, SLOW), new Config(8, 32, 128, 256, SLOW), + new Config(32, 128, 258, 1024, SLOW), new Config(32, 258, 258, 4096, SLOW) ]; + + var z_errmsg = [ "need dictionary", // Z_NEED_DICT + // 2 + "stream end", // Z_STREAM_END 1 + "", // Z_OK 0 + "", // Z_ERRNO (-1) + "stream error", // Z_STREAM_ERROR (-2) + "data error", // Z_DATA_ERROR (-3) + "", // Z_MEM_ERROR (-4) + "buffer error", // Z_BUF_ERROR (-5) + "",// Z_VERSION_ERROR (-6) + "" ]; + + // block not completed, need more input or more output + var NeedMore = 0; + + // block flush performed + var BlockDone = 1; + + // finish started, need only more output at next deflate + var FinishStarted = 2; + + // finish done, accept no more input or output + var FinishDone = 3; + + // preset dictionary flag in zlib header + var PRESET_DICT = 0x20; + + var INIT_STATE = 42; + var BUSY_STATE = 113; + var FINISH_STATE = 666; + + // The deflate compression method + var Z_DEFLATED = 8; + + var STORED_BLOCK = 0; + var STATIC_TREES = 1; + var DYN_TREES = 2; + + var MIN_MATCH = 3; + var MAX_MATCH = 258; + var MIN_LOOKAHEAD = (MAX_MATCH + MIN_MATCH + 1); + + function smaller(tree, n, m, depth) { + var tn2 = tree[n * 2]; + var tm2 = tree[m * 2]; + return (tn2 < tm2 || (tn2 == tm2 && depth[n] <= depth[m])); + } + + function Deflate() { + + var that = this; + var strm; // pointer back to this zlib stream + var status; // as the name implies + // pending_buf; // output still pending + var pending_buf_size; // size of pending_buf + // pending_out; // next pending byte to output to the stream + // pending; // nb of bytes in the pending buffer + var method; // STORED (for zip only) or DEFLATED + var last_flush; // value of flush param for previous deflate call + + var w_size; // LZ77 window size (32K by default) + var w_bits; // log2(w_size) (8..16) + var w_mask; // w_size - 1 + + var window; + // Sliding window. Input bytes are read into the second half of the window, + // and move to the first half later to keep a dictionary of at least wSize + // bytes. With this organization, matches are limited to a distance of + // wSize-MAX_MATCH bytes, but this ensures that IO is always + // performed with a length multiple of the block size. Also, it limits + // the window size to 64K, which is quite useful on MSDOS. + // To do: use the user input buffer as sliding window. + + var window_size; + // Actual size of window: 2*wSize, except when the user input buffer + // is directly used as sliding window. + + var prev; + // Link to older string with same hash index. To limit the size of this + // array to 64K, this link is maintained only for the last 32K strings. + // An index in this array is thus a window index modulo 32K. + + var head; // Heads of the hash chains or NIL. + + var ins_h; // hash index of string to be inserted + var hash_size; // number of elements in hash table + var hash_bits; // log2(hash_size) + var hash_mask; // hash_size-1 + + // Number of bits by which ins_h must be shifted at each input + // step. It must be such that after MIN_MATCH steps, the oldest + // byte no longer takes part in the hash key, that is: + // hash_shift * MIN_MATCH >= hash_bits + var hash_shift; + + // Window position at the beginning of the current output block. Gets + // negative when the window is moved backwards. + + var block_start; + + var match_length; // length of best match + var prev_match; // previous match + var match_available; // set if previous match exists + var strstart; // start of string to insert + var match_start; // start of matching string + var lookahead; // number of valid bytes ahead in window + + // Length of the best match at previous step. Matches not greater than this + // are discarded. This is used in the lazy match evaluation. + var prev_length; + + // To speed up deflation, hash chains are never searched beyond this + // length. A higher limit improves compression ratio but degrades the speed. + var max_chain_length; + + // Attempt to find a better match only when the current match is strictly + // smaller than this value. This mechanism is used only for compression + // levels >= 4. + var max_lazy_match; + + // Insert new strings in the hash table only if the match length is not + // greater than this length. This saves time but degrades compression. + // max_insert_length is used only for compression levels <= 3. + + var level; // compression level (1..9) + var strategy; // favor or force Huffman coding + + // Use a faster search when the previous match is longer than this + var good_match; + + // Stop searching when current match exceeds this + var nice_match; + + var dyn_ltree; // literal and length tree + var dyn_dtree; // distance tree + var bl_tree; // Huffman tree for bit lengths + + var l_desc = new Tree(); // desc for literal tree + var d_desc = new Tree(); // desc for distance tree + var bl_desc = new Tree(); // desc for bit length tree + + // that.heap_len; // number of elements in the heap + // that.heap_max; // element of largest frequency + // The sons of heap[n] are heap[2*n] and heap[2*n+1]. heap[0] is not used. + // The same heap array is used to build all trees. + + // Depth of each subtree used as tie breaker for trees of equal frequency + that.depth = []; + + var l_buf; // index for literals or lengths */ + + // Size of match buffer for literals/lengths. There are 4 reasons for + // limiting lit_bufsize to 64K: + // - frequencies can be kept in 16 bit counters + // - if compression is not successful for the first block, all input + // data is still in the window so we can still emit a stored block even + // when input comes from standard input. (This can also be done for + // all blocks if lit_bufsize is not greater than 32K.) + // - if compression is not successful for a file smaller than 64K, we can + // even emit a stored file instead of a stored block (saving 5 bytes). + // This is applicable only for zip (not gzip or zlib). + // - creating new Huffman trees less frequently may not provide fast + // adaptation to changes in the input data statistics. (Take for + // example a binary file with poorly compressible code followed by + // a highly compressible string table.) Smaller buffer sizes give + // fast adaptation but have of course the overhead of transmitting + // trees more frequently. + // - I can't count above 4 + var lit_bufsize; + + var last_lit; // running index in l_buf + + // Buffer for distances. To simplify the code, d_buf and l_buf have + // the same number of elements. To use different lengths, an extra flag + // array would be necessary. + + var d_buf; // index of pendig_buf + + // that.opt_len; // bit length of current block with optimal trees + // that.static_len; // bit length of current block with static trees + var matches; // number of string matches in current block + var last_eob_len; // bit length of EOB code for last block + + // Output buffer. bits are inserted starting at the bottom (least + // significant bits). + var bi_buf; + + // Number of valid bits in bi_buf. All bits above the last valid bit + // are always zero. + var bi_valid; + + // number of codes at each bit length for an optimal tree + that.bl_count = []; + + // heap used to build the Huffman trees + that.heap = []; + + dyn_ltree = []; + dyn_dtree = []; + bl_tree = []; + + function lm_init() { + var i; + window_size = 2 * w_size; + + head[hash_size - 1] = 0; + for (i = 0; i < hash_size - 1; i++) { + head[i] = 0; + } + + // Set the default configuration parameters: + max_lazy_match = config_table[level].max_lazy; + good_match = config_table[level].good_length; + nice_match = config_table[level].nice_length; + max_chain_length = config_table[level].max_chain; + + strstart = 0; + block_start = 0; + lookahead = 0; + match_length = prev_length = MIN_MATCH - 1; + match_available = 0; + ins_h = 0; + } + + function init_block() { + var i; + // Initialize the trees. + for (i = 0; i < L_CODES; i++) + dyn_ltree[i * 2] = 0; + for (i = 0; i < D_CODES; i++) + dyn_dtree[i * 2] = 0; + for (i = 0; i < BL_CODES; i++) + bl_tree[i * 2] = 0; + + dyn_ltree[END_BLOCK * 2] = 1; + that.opt_len = that.static_len = 0; + last_lit = matches = 0; + } + + // Initialize the tree data structures for a new zlib stream. + function tr_init() { + + l_desc.dyn_tree = dyn_ltree; + l_desc.stat_desc = StaticTree.static_l_desc; + + d_desc.dyn_tree = dyn_dtree; + d_desc.stat_desc = StaticTree.static_d_desc; + + bl_desc.dyn_tree = bl_tree; + bl_desc.stat_desc = StaticTree.static_bl_desc; + + bi_buf = 0; + bi_valid = 0; + last_eob_len = 8; // enough lookahead for inflate + + // Initialize the first block of the first file: + init_block(); + } + + // Restore the heap property by moving down the tree starting at node k, + // exchanging a node with the smallest of its two sons if necessary, + // stopping + // when the heap property is re-established (each father smaller than its + // two sons). + that.pqdownheap = function(tree, // the tree to restore + k // node to move down + ) { + var heap = that.heap; + var v = heap[k]; + var j = k << 1; // left son of k + while (j <= that.heap_len) { + // Set j to the smallest of the two sons: + if (j < that.heap_len && smaller(tree, heap[j + 1], heap[j], that.depth)) { + j++; + } + // Exit if v is smaller than both sons + if (smaller(tree, v, heap[j], that.depth)) + break; + + // Exchange v with the smallest son + heap[k] = heap[j]; + k = j; + // And continue down the tree, setting j to the left son of k + j <<= 1; + } + heap[k] = v; + }; + + // Scan a literal or distance tree to determine the frequencies of the codes + // in the bit length tree. + function scan_tree(tree,// the tree to be scanned + max_code // and its largest code of non zero frequency + ) { + var n; // iterates over all tree elements + var prevlen = -1; // last emitted length + var curlen; // length of current code + var nextlen = tree[0 * 2 + 1]; // length of next code + var count = 0; // repeat count of the current code + var max_count = 7; // max repeat count + var min_count = 4; // min repeat count + + if (nextlen === 0) { + max_count = 138; + min_count = 3; + } + tree[(max_code + 1) * 2 + 1] = 0xffff; // guard + + for (n = 0; n <= max_code; n++) { + curlen = nextlen; + nextlen = tree[(n + 1) * 2 + 1]; + if (++count < max_count && curlen == nextlen) { + continue; + } else if (count < min_count) { + bl_tree[curlen * 2] += count; + } else if (curlen !== 0) { + if (curlen != prevlen) + bl_tree[curlen * 2]++; + bl_tree[REP_3_6 * 2]++; + } else if (count <= 10) { + bl_tree[REPZ_3_10 * 2]++; + } else { + bl_tree[REPZ_11_138 * 2]++; + } + count = 0; + prevlen = curlen; + if (nextlen === 0) { + max_count = 138; + min_count = 3; + } else if (curlen == nextlen) { + max_count = 6; + min_count = 3; + } else { + max_count = 7; + min_count = 4; + } + } + } + + // Construct the Huffman tree for the bit lengths and return the index in + // bl_order of the last bit length code to send. + function build_bl_tree() { + var max_blindex; // index of last bit length code of non zero freq + + // Determine the bit length frequencies for literal and distance trees + scan_tree(dyn_ltree, l_desc.max_code); + scan_tree(dyn_dtree, d_desc.max_code); + + // Build the bit length tree: + bl_desc.build_tree(that); + // opt_len now includes the length of the tree representations, except + // the lengths of the bit lengths codes and the 5+5+4 bits for the + // counts. + + // Determine the number of bit length codes to send. The pkzip format + // requires that at least 4 bit length codes be sent. (appnote.txt says + // 3 but the actual value used is 4.) + for (max_blindex = BL_CODES - 1; max_blindex >= 3; max_blindex--) { + if (bl_tree[Tree.bl_order[max_blindex] * 2 + 1] !== 0) + break; + } + // Update opt_len to include the bit length tree and counts + that.opt_len += 3 * (max_blindex + 1) + 5 + 5 + 4; + + return max_blindex; + } + + // Output a byte on the stream. + // IN assertion: there is enough room in pending_buf. + function put_byte(p) { + that.pending_buf[that.pending++] = p; + } + + function put_short(w) { + put_byte(w & 0xff); + put_byte((w >>> 8) & 0xff); + } + + function putShortMSB(b) { + put_byte((b >> 8) & 0xff); + put_byte((b & 0xff) & 0xff); + } + + function send_bits(value, length) { + var val, len = length; + if (bi_valid > Buf_size - len) { + val = value; + // bi_buf |= (val << bi_valid); + bi_buf |= ((val << bi_valid) & 0xffff); + put_short(bi_buf); + bi_buf = val >>> (Buf_size - bi_valid); + bi_valid += len - Buf_size; + } else { + // bi_buf |= (value) << bi_valid; + bi_buf |= (((value) << bi_valid) & 0xffff); + bi_valid += len; + } + } + + function send_code(c, tree) { + var c2 = c * 2; + send_bits(tree[c2] & 0xffff, tree[c2 + 1] & 0xffff); + } + + // Send a literal or distance tree in compressed form, using the codes in + // bl_tree. + function send_tree(tree,// the tree to be sent + max_code // and its largest code of non zero frequency + ) { + var n; // iterates over all tree elements + var prevlen = -1; // last emitted length + var curlen; // length of current code + var nextlen = tree[0 * 2 + 1]; // length of next code + var count = 0; // repeat count of the current code + var max_count = 7; // max repeat count + var min_count = 4; // min repeat count + + if (nextlen === 0) { + max_count = 138; + min_count = 3; + } + + for (n = 0; n <= max_code; n++) { + curlen = nextlen; + nextlen = tree[(n + 1) * 2 + 1]; + if (++count < max_count && curlen == nextlen) { + continue; + } else if (count < min_count) { + do { + send_code(curlen, bl_tree); + } while (--count !== 0); + } else if (curlen !== 0) { + if (curlen != prevlen) { + send_code(curlen, bl_tree); + count--; + } + send_code(REP_3_6, bl_tree); + send_bits(count - 3, 2); + } else if (count <= 10) { + send_code(REPZ_3_10, bl_tree); + send_bits(count - 3, 3); + } else { + send_code(REPZ_11_138, bl_tree); + send_bits(count - 11, 7); + } + count = 0; + prevlen = curlen; + if (nextlen === 0) { + max_count = 138; + min_count = 3; + } else if (curlen == nextlen) { + max_count = 6; + min_count = 3; + } else { + max_count = 7; + min_count = 4; + } + } + } + + // Send the header for a block using dynamic Huffman trees: the counts, the + // lengths of the bit length codes, the literal tree and the distance tree. + // IN assertion: lcodes >= 257, dcodes >= 1, blcodes >= 4. + function send_all_trees(lcodes, dcodes, blcodes) { + var rank; // index in bl_order + + send_bits(lcodes - 257, 5); // not +255 as stated in appnote.txt + send_bits(dcodes - 1, 5); + send_bits(blcodes - 4, 4); // not -3 as stated in appnote.txt + for (rank = 0; rank < blcodes; rank++) { + send_bits(bl_tree[Tree.bl_order[rank] * 2 + 1], 3); + } + send_tree(dyn_ltree, lcodes - 1); // literal tree + send_tree(dyn_dtree, dcodes - 1); // distance tree + } + + // Flush the bit buffer, keeping at most 7 bits in it. + function bi_flush() { + if (bi_valid == 16) { + put_short(bi_buf); + bi_buf = 0; + bi_valid = 0; + } else if (bi_valid >= 8) { + put_byte(bi_buf & 0xff); + bi_buf >>>= 8; + bi_valid -= 8; + } + } + + // Send one empty static block to give enough lookahead for inflate. + // This takes 10 bits, of which 7 may remain in the bit buffer. + // The current inflate code requires 9 bits of lookahead. If the + // last two codes for the previous block (real code plus EOB) were coded + // on 5 bits or less, inflate may have only 5+3 bits of lookahead to decode + // the last real code. In this case we send two empty static blocks instead + // of one. (There are no problems if the previous block is stored or fixed.) + // To simplify the code, we assume the worst case of last real code encoded + // on one bit only. + function _tr_align() { + send_bits(STATIC_TREES << 1, 3); + send_code(END_BLOCK, StaticTree.static_ltree); + + bi_flush(); + + // Of the 10 bits for the empty block, we have already sent + // (10 - bi_valid) bits. The lookahead for the last real code (before + // the EOB of the previous block) was thus at least one plus the length + // of the EOB plus what we have just sent of the empty static block. + if (1 + last_eob_len + 10 - bi_valid < 9) { + send_bits(STATIC_TREES << 1, 3); + send_code(END_BLOCK, StaticTree.static_ltree); + bi_flush(); + } + last_eob_len = 7; + } + + // Save the match info and tally the frequency counts. Return true if + // the current block must be flushed. + function _tr_tally(dist, // distance of matched string + lc // match length-MIN_MATCH or unmatched char (if dist==0) + ) { + var out_length, in_length, dcode; + that.pending_buf[d_buf + last_lit * 2] = (dist >>> 8) & 0xff; + that.pending_buf[d_buf + last_lit * 2 + 1] = dist & 0xff; + + that.pending_buf[l_buf + last_lit] = lc & 0xff; + last_lit++; + + if (dist === 0) { + // lc is the unmatched char + dyn_ltree[lc * 2]++; + } else { + matches++; + // Here, lc is the match length - MIN_MATCH + dist--; // dist = match distance - 1 + dyn_ltree[(Tree._length_code[lc] + LITERALS + 1) * 2]++; + dyn_dtree[Tree.d_code(dist) * 2]++; + } + + if ((last_lit & 0x1fff) === 0 && level > 2) { + // Compute an upper bound for the compressed length + out_length = last_lit * 8; + in_length = strstart - block_start; + for (dcode = 0; dcode < D_CODES; dcode++) { + out_length += dyn_dtree[dcode * 2] * (5 + Tree.extra_dbits[dcode]); + } + out_length >>>= 3; + if ((matches < Math.floor(last_lit / 2)) && out_length < Math.floor(in_length / 2)) + return true; + } + + return (last_lit == lit_bufsize - 1); + // We avoid equality with lit_bufsize because of wraparound at 64K + // on 16 bit machines and because stored blocks are restricted to + // 64K-1 bytes. + } + + // Send the block data compressed using the given Huffman trees + function compress_block(ltree, dtree) { + var dist; // distance of matched string + var lc; // match length or unmatched char (if dist === 0) + var lx = 0; // running index in l_buf + var code; // the code to send + var extra; // number of extra bits to send + + if (last_lit !== 0) { + do { + dist = ((that.pending_buf[d_buf + lx * 2] << 8) & 0xff00) | (that.pending_buf[d_buf + lx * 2 + 1] & 0xff); + lc = (that.pending_buf[l_buf + lx]) & 0xff; + lx++; + + if (dist === 0) { + send_code(lc, ltree); // send a literal byte + } else { + // Here, lc is the match length - MIN_MATCH + code = Tree._length_code[lc]; + + send_code(code + LITERALS + 1, ltree); // send the length + // code + extra = Tree.extra_lbits[code]; + if (extra !== 0) { + lc -= Tree.base_length[code]; + send_bits(lc, extra); // send the extra length bits + } + dist--; // dist is now the match distance - 1 + code = Tree.d_code(dist); + + send_code(code, dtree); // send the distance code + extra = Tree.extra_dbits[code]; + if (extra !== 0) { + dist -= Tree.base_dist[code]; + send_bits(dist, extra); // send the extra distance bits + } + } // literal or match pair ? + + // Check that the overlay between pending_buf and d_buf+l_buf is + // ok: + } while (lx < last_lit); + } + + send_code(END_BLOCK, ltree); + last_eob_len = ltree[END_BLOCK * 2 + 1]; + } + + // Flush the bit buffer and align the output on a byte boundary + function bi_windup() { + if (bi_valid > 8) { + put_short(bi_buf); + } else if (bi_valid > 0) { + put_byte(bi_buf & 0xff); + } + bi_buf = 0; + bi_valid = 0; + } + + // Copy a stored block, storing first the length and its + // one's complement if requested. + function copy_block(buf, // the input data + len, // its length + header // true if block header must be written + ) { + bi_windup(); // align on byte boundary + last_eob_len = 8; // enough lookahead for inflate + + if (header) { + put_short(len); + put_short(~len); + } + + that.pending_buf.set(window.subarray(buf, buf + len), that.pending); + that.pending += len; + } + + // Send a stored block + function _tr_stored_block(buf, // input block + stored_len, // length of input block + eof // true if this is the last block for a file + ) { + send_bits((STORED_BLOCK << 1) + (eof ? 1 : 0), 3); // send block type + copy_block(buf, stored_len, true); // with header + } + + // Determine the best encoding for the current block: dynamic trees, static + // trees or store, and output the encoded block to the zip file. + function _tr_flush_block(buf, // input block, or NULL if too old + stored_len, // length of input block + eof // true if this is the last block for a file + ) { + var opt_lenb, static_lenb;// opt_len and static_len in bytes + var max_blindex = 0; // index of last bit length code of non zero freq + + // Build the Huffman trees unless a stored block is forced + if (level > 0) { + // Construct the literal and distance trees + l_desc.build_tree(that); + + d_desc.build_tree(that); + + // At this point, opt_len and static_len are the total bit lengths + // of + // the compressed block data, excluding the tree representations. + + // Build the bit length tree for the above two trees, and get the + // index + // in bl_order of the last bit length code to send. + max_blindex = build_bl_tree(); + + // Determine the best encoding. Compute first the block length in + // bytes + opt_lenb = (that.opt_len + 3 + 7) >>> 3; + static_lenb = (that.static_len + 3 + 7) >>> 3; + + if (static_lenb <= opt_lenb) + opt_lenb = static_lenb; + } else { + opt_lenb = static_lenb = stored_len + 5; // force a stored block + } + + if ((stored_len + 4 <= opt_lenb) && buf != -1) { + // 4: two words for the lengths + // The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE. + // Otherwise we can't have processed more than WSIZE input bytes + // since + // the last block flush, because compression would have been + // successful. If LIT_BUFSIZE <= WSIZE, it is never too late to + // transform a block into a stored block. + _tr_stored_block(buf, stored_len, eof); + } else if (static_lenb == opt_lenb) { + send_bits((STATIC_TREES << 1) + (eof ? 1 : 0), 3); + compress_block(StaticTree.static_ltree, StaticTree.static_dtree); + } else { + send_bits((DYN_TREES << 1) + (eof ? 1 : 0), 3); + send_all_trees(l_desc.max_code + 1, d_desc.max_code + 1, max_blindex + 1); + compress_block(dyn_ltree, dyn_dtree); + } + + // The above check is made mod 2^32, for files larger than 512 MB + // and uLong implemented on 32 bits. + + init_block(); + + if (eof) { + bi_windup(); + } + } + + function flush_block_only(eof) { + _tr_flush_block(block_start >= 0 ? block_start : -1, strstart - block_start, eof); + block_start = strstart; + strm.flush_pending(); + } + + // Fill the window when the lookahead becomes insufficient. + // Updates strstart and lookahead. + // + // IN assertion: lookahead < MIN_LOOKAHEAD + // OUT assertions: strstart <= window_size-MIN_LOOKAHEAD + // At least one byte has been read, or avail_in === 0; reads are + // performed for at least two bytes (required for the zip translate_eol + // option -- not supported here). + function fill_window() { + var n, m; + var p; + var more; // Amount of free space at the end of the window. + + do { + more = (window_size - lookahead - strstart); + + // Deal with !@#$% 64K limit: + if (more === 0 && strstart === 0 && lookahead === 0) { + more = w_size; + } else if (more == -1) { + // Very unlikely, but possible on 16 bit machine if strstart == + // 0 + // and lookahead == 1 (input done one byte at time) + more--; + + // If the window is almost full and there is insufficient + // lookahead, + // move the upper half to the lower one to make room in the + // upper half. + } else if (strstart >= w_size + w_size - MIN_LOOKAHEAD) { + window.set(window.subarray(w_size, w_size + w_size), 0); + + match_start -= w_size; + strstart -= w_size; // we now have strstart >= MAX_DIST + block_start -= w_size; + + // Slide the hash table (could be avoided with 32 bit values + // at the expense of memory usage). We slide even when level == + // 0 + // to keep the hash table consistent if we switch back to level + // > 0 + // later. (Using level 0 permanently is not an optimal usage of + // zlib, so we don't care about this pathological case.) + + n = hash_size; + p = n; + do { + m = (head[--p] & 0xffff); + head[p] = (m >= w_size ? m - w_size : 0); + } while (--n !== 0); + + n = w_size; + p = n; + do { + m = (prev[--p] & 0xffff); + prev[p] = (m >= w_size ? m - w_size : 0); + // If n is not on any hash chain, prev[n] is garbage but + // its value will never be used. + } while (--n !== 0); + more += w_size; + } + + if (strm.avail_in === 0) + return; + + // If there was no sliding: + // strstart <= WSIZE+MAX_DIST-1 && lookahead <= MIN_LOOKAHEAD - 1 && + // more == window_size - lookahead - strstart + // => more >= window_size - (MIN_LOOKAHEAD-1 + WSIZE + MAX_DIST-1) + // => more >= window_size - 2*WSIZE + 2 + // In the BIG_MEM or MMAP case (not yet supported), + // window_size == input_size + MIN_LOOKAHEAD && + // strstart + s->lookahead <= input_size => more >= MIN_LOOKAHEAD. + // Otherwise, window_size == 2*WSIZE so more >= 2. + // If there was sliding, more >= WSIZE. So in all cases, more >= 2. + + n = strm.read_buf(window, strstart + lookahead, more); + lookahead += n; + + // Initialize the hash value now that we have some input: + if (lookahead >= MIN_MATCH) { + ins_h = window[strstart] & 0xff; + ins_h = (((ins_h) << hash_shift) ^ (window[strstart + 1] & 0xff)) & hash_mask; + } + // If the whole input has less than MIN_MATCH bytes, ins_h is + // garbage, + // but this is not important since only literal bytes will be + // emitted. + } while (lookahead < MIN_LOOKAHEAD && strm.avail_in !== 0); + } + + // Copy without compression as much as possible from the input stream, + // return + // the current block state. + // This function does not insert new strings in the dictionary since + // uncompressible data is probably not useful. This function is used + // only for the level=0 compression option. + // NOTE: this function should be optimized to avoid extra copying from + // window to pending_buf. + function deflate_stored(flush) { + // Stored blocks are limited to 0xffff bytes, pending_buf is limited + // to pending_buf_size, and each stored block has a 5 byte header: + + var max_block_size = 0xffff; + var max_start; + + if (max_block_size > pending_buf_size - 5) { + max_block_size = pending_buf_size - 5; + } + + // Copy as much as possible from input to output: + while (true) { + // Fill the window as much as possible: + if (lookahead <= 1) { + fill_window(); + if (lookahead === 0 && flush == Z_NO_FLUSH) + return NeedMore; + if (lookahead === 0) + break; // flush the current block + } + + strstart += lookahead; + lookahead = 0; + + // Emit a stored block if pending_buf will be full: + max_start = block_start + max_block_size; + if (strstart === 0 || strstart >= max_start) { + // strstart === 0 is possible when wraparound on 16-bit machine + lookahead = (strstart - max_start); + strstart = max_start; + + flush_block_only(false); + if (strm.avail_out === 0) + return NeedMore; + + } + + // Flush if we may have to slide, otherwise block_start may become + // negative and the data will be gone: + if (strstart - block_start >= w_size - MIN_LOOKAHEAD) { + flush_block_only(false); + if (strm.avail_out === 0) + return NeedMore; + } + } + + flush_block_only(flush == Z_FINISH); + if (strm.avail_out === 0) + return (flush == Z_FINISH) ? FinishStarted : NeedMore; + + return flush == Z_FINISH ? FinishDone : BlockDone; + } + + function longest_match(cur_match) { + var chain_length = max_chain_length; // max hash chain length + var scan = strstart; // current string + var match; // matched string + var len; // length of current match + var best_len = prev_length; // best match length so far + var limit = strstart > (w_size - MIN_LOOKAHEAD) ? strstart - (w_size - MIN_LOOKAHEAD) : 0; + var _nice_match = nice_match; + + // Stop when cur_match becomes <= limit. To simplify the code, + // we prevent matches with the string of window index 0. + + var wmask = w_mask; + + var strend = strstart + MAX_MATCH; + var scan_end1 = window[scan + best_len - 1]; + var scan_end = window[scan + best_len]; + + // The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of + // 16. + // It is easy to get rid of this optimization if necessary. + + // Do not waste too much time if we already have a good match: + if (prev_length >= good_match) { + chain_length >>= 2; + } + + // Do not look for matches beyond the end of the input. This is + // necessary + // to make deflate deterministic. + if (_nice_match > lookahead) + _nice_match = lookahead; + + do { + match = cur_match; + + // Skip to next match if the match length cannot increase + // or if the match length is less than 2: + if (window[match + best_len] != scan_end || window[match + best_len - 1] != scan_end1 || window[match] != window[scan] + || window[++match] != window[scan + 1]) + continue; + + // The check at best_len-1 can be removed because it will be made + // again later. (This heuristic is not always a win.) + // It is not necessary to compare scan[2] and match[2] since they + // are always equal when the other bytes match, given that + // the hash keys are equal and that HASH_BITS >= 8. + scan += 2; + match++; + + // We check for insufficient lookahead only every 8th comparison; + // the 256th check will be made at strstart+258. + do { + } while (window[++scan] == window[++match] && window[++scan] == window[++match] && window[++scan] == window[++match] + && window[++scan] == window[++match] && window[++scan] == window[++match] && window[++scan] == window[++match] + && window[++scan] == window[++match] && window[++scan] == window[++match] && scan < strend); + + len = MAX_MATCH - (strend - scan); + scan = strend - MAX_MATCH; + + if (len > best_len) { + match_start = cur_match; + best_len = len; + if (len >= _nice_match) + break; + scan_end1 = window[scan + best_len - 1]; + scan_end = window[scan + best_len]; + } + + } while ((cur_match = (prev[cur_match & wmask] & 0xffff)) > limit && --chain_length !== 0); + + if (best_len <= lookahead) + return best_len; + return lookahead; + } + + // Compress as much as possible from the input stream, return the current + // block state. + // This function does not perform lazy evaluation of matches and inserts + // new strings in the dictionary only for unmatched strings or for short + // matches. It is used only for the fast compression options. + function deflate_fast(flush) { + // short hash_head = 0; // head of the hash chain + var hash_head = 0; // head of the hash chain + var bflush; // set if current block must be flushed + + while (true) { + // Make sure that we always have enough lookahead, except + // at the end of the input file. We need MAX_MATCH bytes + // for the next match, plus MIN_MATCH bytes to insert the + // string following the next match. + if (lookahead < MIN_LOOKAHEAD) { + fill_window(); + if (lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) { + return NeedMore; + } + if (lookahead === 0) + break; // flush the current block + } + + // Insert the string window[strstart .. strstart+2] in the + // dictionary, and set hash_head to the head of the hash chain: + if (lookahead >= MIN_MATCH) { + ins_h = (((ins_h) << hash_shift) ^ (window[(strstart) + (MIN_MATCH - 1)] & 0xff)) & hash_mask; + + // prev[strstart&w_mask]=hash_head=head[ins_h]; + hash_head = (head[ins_h] & 0xffff); + prev[strstart & w_mask] = head[ins_h]; + head[ins_h] = strstart; + } + + // Find the longest match, discarding those <= prev_length. + // At this point we have always match_length < MIN_MATCH + + if (hash_head !== 0 && ((strstart - hash_head) & 0xffff) <= w_size - MIN_LOOKAHEAD) { + // To simplify the code, we prevent matches with the string + // of window index 0 (in particular we have to avoid a match + // of the string with itself at the start of the input file). + if (strategy != Z_HUFFMAN_ONLY) { + match_length = longest_match(hash_head); + } + // longest_match() sets match_start + } + if (match_length >= MIN_MATCH) { + // check_match(strstart, match_start, match_length); + + bflush = _tr_tally(strstart - match_start, match_length - MIN_MATCH); + + lookahead -= match_length; + + // Insert new strings in the hash table only if the match length + // is not too large. This saves time but degrades compression. + if (match_length <= max_lazy_match && lookahead >= MIN_MATCH) { + match_length--; // string at strstart already in hash table + do { + strstart++; + + ins_h = ((ins_h << hash_shift) ^ (window[(strstart) + (MIN_MATCH - 1)] & 0xff)) & hash_mask; + // prev[strstart&w_mask]=hash_head=head[ins_h]; + hash_head = (head[ins_h] & 0xffff); + prev[strstart & w_mask] = head[ins_h]; + head[ins_h] = strstart; + + // strstart never exceeds WSIZE-MAX_MATCH, so there are + // always MIN_MATCH bytes ahead. + } while (--match_length !== 0); + strstart++; + } else { + strstart += match_length; + match_length = 0; + ins_h = window[strstart] & 0xff; + + ins_h = (((ins_h) << hash_shift) ^ (window[strstart + 1] & 0xff)) & hash_mask; + // If lookahead < MIN_MATCH, ins_h is garbage, but it does + // not + // matter since it will be recomputed at next deflate call. + } + } else { + // No match, output a literal byte + + bflush = _tr_tally(0, window[strstart] & 0xff); + lookahead--; + strstart++; + } + if (bflush) { + + flush_block_only(false); + if (strm.avail_out === 0) + return NeedMore; + } + } + + flush_block_only(flush == Z_FINISH); + if (strm.avail_out === 0) { + if (flush == Z_FINISH) + return FinishStarted; + else + return NeedMore; + } + return flush == Z_FINISH ? FinishDone : BlockDone; + } + + // Same as above, but achieves better compression. We use a lazy + // evaluation for matches: a match is finally adopted only if there is + // no better match at the next window position. + function deflate_slow(flush) { + // short hash_head = 0; // head of hash chain + var hash_head = 0; // head of hash chain + var bflush; // set if current block must be flushed + var max_insert; + + // Process the input block. + while (true) { + // Make sure that we always have enough lookahead, except + // at the end of the input file. We need MAX_MATCH bytes + // for the next match, plus MIN_MATCH bytes to insert the + // string following the next match. + + if (lookahead < MIN_LOOKAHEAD) { + fill_window(); + if (lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) { + return NeedMore; + } + if (lookahead === 0) + break; // flush the current block + } + + // Insert the string window[strstart .. strstart+2] in the + // dictionary, and set hash_head to the head of the hash chain: + + if (lookahead >= MIN_MATCH) { + ins_h = (((ins_h) << hash_shift) ^ (window[(strstart) + (MIN_MATCH - 1)] & 0xff)) & hash_mask; + // prev[strstart&w_mask]=hash_head=head[ins_h]; + hash_head = (head[ins_h] & 0xffff); + prev[strstart & w_mask] = head[ins_h]; + head[ins_h] = strstart; + } + + // Find the longest match, discarding those <= prev_length. + prev_length = match_length; + prev_match = match_start; + match_length = MIN_MATCH - 1; + + if (hash_head !== 0 && prev_length < max_lazy_match && ((strstart - hash_head) & 0xffff) <= w_size - MIN_LOOKAHEAD) { + // To simplify the code, we prevent matches with the string + // of window index 0 (in particular we have to avoid a match + // of the string with itself at the start of the input file). + + if (strategy != Z_HUFFMAN_ONLY) { + match_length = longest_match(hash_head); + } + // longest_match() sets match_start + + if (match_length <= 5 && (strategy == Z_FILTERED || (match_length == MIN_MATCH && strstart - match_start > 4096))) { + + // If prev_match is also MIN_MATCH, match_start is garbage + // but we will ignore the current match anyway. + match_length = MIN_MATCH - 1; + } + } + + // If there was a match at the previous step and the current + // match is not better, output the previous match: + if (prev_length >= MIN_MATCH && match_length <= prev_length) { + max_insert = strstart + lookahead - MIN_MATCH; + // Do not insert strings in hash table beyond this. + + // check_match(strstart-1, prev_match, prev_length); + + bflush = _tr_tally(strstart - 1 - prev_match, prev_length - MIN_MATCH); + + // Insert in hash table all strings up to the end of the match. + // strstart-1 and strstart are already inserted. If there is not + // enough lookahead, the last two strings are not inserted in + // the hash table. + lookahead -= prev_length - 1; + prev_length -= 2; + do { + if (++strstart <= max_insert) { + ins_h = (((ins_h) << hash_shift) ^ (window[(strstart) + (MIN_MATCH - 1)] & 0xff)) & hash_mask; + // prev[strstart&w_mask]=hash_head=head[ins_h]; + hash_head = (head[ins_h] & 0xffff); + prev[strstart & w_mask] = head[ins_h]; + head[ins_h] = strstart; + } + } while (--prev_length !== 0); + match_available = 0; + match_length = MIN_MATCH - 1; + strstart++; + + if (bflush) { + flush_block_only(false); + if (strm.avail_out === 0) + return NeedMore; + } + } else if (match_available !== 0) { + + // If there was no match at the previous position, output a + // single literal. If there was a match but the current match + // is longer, truncate the previous match to a single literal. + + bflush = _tr_tally(0, window[strstart - 1] & 0xff); + + if (bflush) { + flush_block_only(false); + } + strstart++; + lookahead--; + if (strm.avail_out === 0) + return NeedMore; + } else { + // There is no previous match to compare with, wait for + // the next step to decide. + + match_available = 1; + strstart++; + lookahead--; + } + } + + if (match_available !== 0) { + bflush = _tr_tally(0, window[strstart - 1] & 0xff); + match_available = 0; + } + flush_block_only(flush == Z_FINISH); + + if (strm.avail_out === 0) { + if (flush == Z_FINISH) + return FinishStarted; + else + return NeedMore; + } + + return flush == Z_FINISH ? FinishDone : BlockDone; + } + + function deflateReset(strm) { + strm.total_in = strm.total_out = 0; + strm.msg = null; // + + that.pending = 0; + that.pending_out = 0; + + status = BUSY_STATE; + + last_flush = Z_NO_FLUSH; + + tr_init(); + lm_init(); + return Z_OK; + } + + that.deflateInit = function(strm, _level, bits, _method, memLevel, _strategy) { + if (!_method) + _method = Z_DEFLATED; + if (!memLevel) + memLevel = DEF_MEM_LEVEL; + if (!_strategy) + _strategy = Z_DEFAULT_STRATEGY; + + // byte[] my_version=ZLIB_VERSION; + + // + // if (!version || version[0] != my_version[0] + // || stream_size != sizeof(z_stream)) { + // return Z_VERSION_ERROR; + // } + + strm.msg = null; + + if (_level == Z_DEFAULT_COMPRESSION) + _level = 6; + + if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || _method != Z_DEFLATED || bits < 9 || bits > 15 || _level < 0 || _level > 9 || _strategy < 0 + || _strategy > Z_HUFFMAN_ONLY) { + return Z_STREAM_ERROR; + } + + strm.dstate = that; + + w_bits = bits; + w_size = 1 << w_bits; + w_mask = w_size - 1; + + hash_bits = memLevel + 7; + hash_size = 1 << hash_bits; + hash_mask = hash_size - 1; + hash_shift = Math.floor((hash_bits + MIN_MATCH - 1) / MIN_MATCH); + + window = new Uint8Array(w_size * 2); + prev = []; + head = []; + + lit_bufsize = 1 << (memLevel + 6); // 16K elements by default + + // We overlay pending_buf and d_buf+l_buf. This works since the average + // output size for (length,distance) codes is <= 24 bits. + that.pending_buf = new Uint8Array(lit_bufsize * 4); + pending_buf_size = lit_bufsize * 4; + + d_buf = Math.floor(lit_bufsize / 2); + l_buf = (1 + 2) * lit_bufsize; + + level = _level; + + strategy = _strategy; + method = _method & 0xff; + + return deflateReset(strm); + }; + + that.deflateEnd = function() { + if (status != INIT_STATE && status != BUSY_STATE && status != FINISH_STATE) { + return Z_STREAM_ERROR; + } + // Deallocate in reverse order of allocations: + that.pending_buf = null; + head = null; + prev = null; + window = null; + // free + that.dstate = null; + return status == BUSY_STATE ? Z_DATA_ERROR : Z_OK; + }; + + that.deflateParams = function(strm, _level, _strategy) { + var err = Z_OK; + + if (_level == Z_DEFAULT_COMPRESSION) { + _level = 6; + } + if (_level < 0 || _level > 9 || _strategy < 0 || _strategy > Z_HUFFMAN_ONLY) { + return Z_STREAM_ERROR; + } + + if (config_table[level].func != config_table[_level].func && strm.total_in !== 0) { + // Flush the last buffer: + err = strm.deflate(Z_PARTIAL_FLUSH); + } + + if (level != _level) { + level = _level; + max_lazy_match = config_table[level].max_lazy; + good_match = config_table[level].good_length; + nice_match = config_table[level].nice_length; + max_chain_length = config_table[level].max_chain; + } + strategy = _strategy; + return err; + }; + + that.deflateSetDictionary = function(strm, dictionary, dictLength) { + var length = dictLength; + var n, index = 0; + + if (!dictionary || status != INIT_STATE) + return Z_STREAM_ERROR; + + if (length < MIN_MATCH) + return Z_OK; + if (length > w_size - MIN_LOOKAHEAD) { + length = w_size - MIN_LOOKAHEAD; + index = dictLength - length; // use the tail of the dictionary + } + window.set(dictionary.subarray(index, index + length), 0); + + strstart = length; + block_start = length; + + // Insert all strings in the hash table (except for the last two bytes). + // s->lookahead stays null, so s->ins_h will be recomputed at the next + // call of fill_window. + + ins_h = window[0] & 0xff; + ins_h = (((ins_h) << hash_shift) ^ (window[1] & 0xff)) & hash_mask; + + for (n = 0; n <= length - MIN_MATCH; n++) { + ins_h = (((ins_h) << hash_shift) ^ (window[(n) + (MIN_MATCH - 1)] & 0xff)) & hash_mask; + prev[n & w_mask] = head[ins_h]; + head[ins_h] = n; + } + return Z_OK; + }; + + that.deflate = function(_strm, flush) { + var i, header, level_flags, old_flush, bstate; + + if (flush > Z_FINISH || flush < 0) { + return Z_STREAM_ERROR; + } + + if (!_strm.next_out || (!_strm.next_in && _strm.avail_in !== 0) || (status == FINISH_STATE && flush != Z_FINISH)) { + _strm.msg = z_errmsg[Z_NEED_DICT - (Z_STREAM_ERROR)]; + return Z_STREAM_ERROR; + } + if (_strm.avail_out === 0) { + _strm.msg = z_errmsg[Z_NEED_DICT - (Z_BUF_ERROR)]; + return Z_BUF_ERROR; + } + + strm = _strm; // just in case + old_flush = last_flush; + last_flush = flush; + + // Write the zlib header + if (status == INIT_STATE) { + header = (Z_DEFLATED + ((w_bits - 8) << 4)) << 8; + level_flags = ((level - 1) & 0xff) >> 1; + + if (level_flags > 3) + level_flags = 3; + header |= (level_flags << 6); + if (strstart !== 0) + header |= PRESET_DICT; + header += 31 - (header % 31); + + status = BUSY_STATE; + putShortMSB(header); + } + + // Flush as much pending output as possible + if (that.pending !== 0) { + strm.flush_pending(); + if (strm.avail_out === 0) { + // console.log(" avail_out==0"); + // Since avail_out is 0, deflate will be called again with + // more output space, but possibly with both pending and + // avail_in equal to zero. There won't be anything to do, + // but this is not an error situation so make sure we + // return OK instead of BUF_ERROR at next call of deflate: + last_flush = -1; + return Z_OK; + } + + // Make sure there is something to do and avoid duplicate + // consecutive + // flushes. For repeated and useless calls with Z_FINISH, we keep + // returning Z_STREAM_END instead of Z_BUFF_ERROR. + } else if (strm.avail_in === 0 && flush <= old_flush && flush != Z_FINISH) { + strm.msg = z_errmsg[Z_NEED_DICT - (Z_BUF_ERROR)]; + return Z_BUF_ERROR; + } + + // User must not provide more input after the first FINISH: + if (status == FINISH_STATE && strm.avail_in !== 0) { + _strm.msg = z_errmsg[Z_NEED_DICT - (Z_BUF_ERROR)]; + return Z_BUF_ERROR; + } + + // Start a new block or continue the current one. + if (strm.avail_in !== 0 || lookahead !== 0 || (flush != Z_NO_FLUSH && status != FINISH_STATE)) { + bstate = -1; + switch (config_table[level].func) { + case STORED: + bstate = deflate_stored(flush); + break; + case FAST: + bstate = deflate_fast(flush); + break; + case SLOW: + bstate = deflate_slow(flush); + break; + default: + } + + if (bstate == FinishStarted || bstate == FinishDone) { + status = FINISH_STATE; + } + if (bstate == NeedMore || bstate == FinishStarted) { + if (strm.avail_out === 0) { + last_flush = -1; // avoid BUF_ERROR next call, see above + } + return Z_OK; + // If flush != Z_NO_FLUSH && avail_out === 0, the next call + // of deflate should use the same flush parameter to make sure + // that the flush is complete. So we don't have to output an + // empty block here, this will be done at next call. This also + // ensures that for a very small output buffer, we emit at most + // one empty block. + } + + if (bstate == BlockDone) { + if (flush == Z_PARTIAL_FLUSH) { + _tr_align(); + } else { // FULL_FLUSH or SYNC_FLUSH + _tr_stored_block(0, 0, false); + // For a full flush, this empty block will be recognized + // as a special marker by inflate_sync(). + if (flush == Z_FULL_FLUSH) { + // state.head[s.hash_size-1]=0; + for (i = 0; i < hash_size/*-1*/; i++) + // forget history + head[i] = 0; + } + } + strm.flush_pending(); + if (strm.avail_out === 0) { + last_flush = -1; // avoid BUF_ERROR at next call, see above + return Z_OK; + } + } + } + + if (flush != Z_FINISH) + return Z_OK; + return Z_STREAM_END; + }; + } + + // ZStream + + function ZStream() { + var that = this; + that.next_in_index = 0; + that.next_out_index = 0; + // that.next_in; // next input byte + that.avail_in = 0; // number of bytes available at next_in + that.total_in = 0; // total nb of input bytes read so far + // that.next_out; // next output byte should be put there + that.avail_out = 0; // remaining free space at next_out + that.total_out = 0; // total nb of bytes output so far + // that.msg; + // that.dstate; + } + + ZStream.prototype = { + deflateInit : function(level, bits) { + var that = this; + that.dstate = new Deflate(); + if (!bits) + bits = MAX_BITS; + return that.dstate.deflateInit(that, level, bits); + }, + + deflate : function(flush) { + var that = this; + if (!that.dstate) { + return Z_STREAM_ERROR; + } + return that.dstate.deflate(that, flush); + }, + + deflateEnd : function() { + var that = this; + if (!that.dstate) + return Z_STREAM_ERROR; + var ret = that.dstate.deflateEnd(); + that.dstate = null; + return ret; + }, + + deflateParams : function(level, strategy) { + var that = this; + if (!that.dstate) + return Z_STREAM_ERROR; + return that.dstate.deflateParams(that, level, strategy); + }, + + deflateSetDictionary : function(dictionary, dictLength) { + var that = this; + if (!that.dstate) + return Z_STREAM_ERROR; + return that.dstate.deflateSetDictionary(that, dictionary, dictLength); + }, + + // Read a new buffer from the current input stream, update the + // total number of bytes read. All deflate() input goes through + // this function so some applications may wish to modify it to avoid + // allocating a large strm->next_in buffer and copying from it. + // (See also flush_pending()). + read_buf : function(buf, start, size) { + var that = this; + var len = that.avail_in; + if (len > size) + len = size; + if (len === 0) + return 0; + that.avail_in -= len; + buf.set(that.next_in.subarray(that.next_in_index, that.next_in_index + len), start); + that.next_in_index += len; + that.total_in += len; + return len; + }, + + // Flush as much pending output as possible. All deflate() output goes + // through this function so some applications may wish to modify it + // to avoid allocating a large strm->next_out buffer and copying into it. + // (See also read_buf()). + flush_pending : function() { + var that = this; + var len = that.dstate.pending; + + if (len > that.avail_out) + len = that.avail_out; + if (len === 0) + return; + + // if (that.dstate.pending_buf.length <= that.dstate.pending_out || that.next_out.length <= that.next_out_index + // || that.dstate.pending_buf.length < (that.dstate.pending_out + len) || that.next_out.length < (that.next_out_index + + // len)) { + // console.log(that.dstate.pending_buf.length + ", " + that.dstate.pending_out + ", " + that.next_out.length + ", " + + // that.next_out_index + ", " + len); + // console.log("avail_out=" + that.avail_out); + // } + + that.next_out.set(that.dstate.pending_buf.subarray(that.dstate.pending_out, that.dstate.pending_out + len), that.next_out_index); + + that.next_out_index += len; + that.dstate.pending_out += len; + that.total_out += len; + that.avail_out -= len; + that.dstate.pending -= len; + if (that.dstate.pending === 0) { + that.dstate.pending_out = 0; + } + } + }; + + // Deflater + + function Deflater(options) { + var that = this; + var z = new ZStream(); + var bufsize = 512; + var flush = Z_NO_FLUSH; + var buf = new Uint8Array(bufsize); + var level = options ? options.level : Z_DEFAULT_COMPRESSION; + if (typeof level == "undefined") + level = Z_DEFAULT_COMPRESSION; + z.deflateInit(level); + z.next_out = buf; + + that.append = function(data, onprogress) { + var err, buffers = [], lastIndex = 0, bufferIndex = 0, bufferSize = 0, array; + if (!data.length) + return; + z.next_in_index = 0; + z.next_in = data; + z.avail_in = data.length; + do { + z.next_out_index = 0; + z.avail_out = bufsize; + err = z.deflate(flush); + if (err != Z_OK) + throw new Error("deflating: " + z.msg); + if (z.next_out_index) + if (z.next_out_index == bufsize) + buffers.push(new Uint8Array(buf)); + else + buffers.push(new Uint8Array(buf.subarray(0, z.next_out_index))); + bufferSize += z.next_out_index; + if (onprogress && z.next_in_index > 0 && z.next_in_index != lastIndex) { + onprogress(z.next_in_index); + lastIndex = z.next_in_index; + } + } while (z.avail_in > 0 || z.avail_out === 0); + array = new Uint8Array(bufferSize); + buffers.forEach(function(chunk) { + array.set(chunk, bufferIndex); + bufferIndex += chunk.length; + }); + return array; + }; + that.flush = function() { + var err, buffers = [], bufferIndex = 0, bufferSize = 0, array; + do { + z.next_out_index = 0; + z.avail_out = bufsize; + err = z.deflate(Z_FINISH); + if (err != Z_STREAM_END && err != Z_OK) + throw new Error("deflating: " + z.msg); + if (bufsize - z.avail_out > 0) + buffers.push(new Uint8Array(buf.subarray(0, z.next_out_index))); + bufferSize += z.next_out_index; + } while (z.avail_in > 0 || z.avail_out === 0); + z.deflateEnd(); + array = new Uint8Array(bufferSize); + buffers.forEach(function(chunk) { + array.set(chunk, bufferIndex); + bufferIndex += chunk.length; + }); + return array; + }; + } + + // 'zip' may not be defined in z-worker and some tests + var env = global.zip || global; + env.Deflater = env._jzlib_Deflater = Deflater; +})(this); diff --git a/sync/vendor/zipjs/inflate.js b/sync/vendor/zipjs/inflate.js new file mode 100755 index 00000000..7174050c --- /dev/null +++ b/sync/vendor/zipjs/inflate.js @@ -0,0 +1,2155 @@ +/* + Copyright (c) 2013 Gildas Lormeau. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the distribution. + + 3. The names of the authors may not be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT, + INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * This program is based on JZlib 1.0.2 ymnk, JCraft,Inc. + * JZlib is based on zlib-1.1.3, so all credit should go authors + * Jean-loup Gailly(jloup@gzip.org) and Mark Adler(madler@alumni.caltech.edu) + * and contributors of zlib. + */ + +(function(global) { + "use strict"; + + // Global + var MAX_BITS = 15; + + var Z_OK = 0; + var Z_STREAM_END = 1; + var Z_NEED_DICT = 2; + var Z_STREAM_ERROR = -2; + var Z_DATA_ERROR = -3; + var Z_MEM_ERROR = -4; + var Z_BUF_ERROR = -5; + + var inflate_mask = [ 0x00000000, 0x00000001, 0x00000003, 0x00000007, 0x0000000f, 0x0000001f, 0x0000003f, 0x0000007f, 0x000000ff, 0x000001ff, 0x000003ff, + 0x000007ff, 0x00000fff, 0x00001fff, 0x00003fff, 0x00007fff, 0x0000ffff ]; + + var MANY = 1440; + + // JZlib version : "1.0.2" + var Z_NO_FLUSH = 0; + var Z_FINISH = 4; + + // InfTree + var fixed_bl = 9; + var fixed_bd = 5; + + var fixed_tl = [ 96, 7, 256, 0, 8, 80, 0, 8, 16, 84, 8, 115, 82, 7, 31, 0, 8, 112, 0, 8, 48, 0, 9, 192, 80, 7, 10, 0, 8, 96, 0, 8, 32, 0, 9, 160, 0, 8, 0, + 0, 8, 128, 0, 8, 64, 0, 9, 224, 80, 7, 6, 0, 8, 88, 0, 8, 24, 0, 9, 144, 83, 7, 59, 0, 8, 120, 0, 8, 56, 0, 9, 208, 81, 7, 17, 0, 8, 104, 0, 8, 40, + 0, 9, 176, 0, 8, 8, 0, 8, 136, 0, 8, 72, 0, 9, 240, 80, 7, 4, 0, 8, 84, 0, 8, 20, 85, 8, 227, 83, 7, 43, 0, 8, 116, 0, 8, 52, 0, 9, 200, 81, 7, 13, + 0, 8, 100, 0, 8, 36, 0, 9, 168, 0, 8, 4, 0, 8, 132, 0, 8, 68, 0, 9, 232, 80, 7, 8, 0, 8, 92, 0, 8, 28, 0, 9, 152, 84, 7, 83, 0, 8, 124, 0, 8, 60, + 0, 9, 216, 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121, 0, 8, 57, 0, 9, 210, + 81, 7, 17, 0, 8, 105, 0, 8, 41, 0, 9, 178, 0, 8, 9, 0, 8, 137, 0, 8, 73, 0, 9, 242, 80, 7, 4, 0, 8, 85, 0, 8, 21, 80, 8, 258, 83, 7, 43, 0, 8, 117, + 0, 8, 53, 0, 9, 202, 81, 7, 13, 0, 8, 101, 0, 8, 37, 0, 9, 170, 0, 8, 5, 0, 8, 133, 0, 8, 69, 0, 9, 234, 80, 7, 8, 0, 8, 93, 0, 8, 29, 0, 9, 154, + 84, 7, 83, 0, 8, 125, 0, 8, 61, 0, 9, 218, 82, 7, 23, 0, 8, 109, 0, 8, 45, 0, 9, 186, 0, 8, 13, 0, 8, 141, 0, 8, 77, 0, 9, 250, 80, 7, 3, 0, 8, 83, + 0, 8, 19, 85, 8, 195, 83, 7, 35, 0, 8, 115, 0, 8, 51, 0, 9, 198, 81, 7, 11, 0, 8, 99, 0, 8, 35, 0, 9, 166, 0, 8, 3, 0, 8, 131, 0, 8, 67, 0, 9, 230, + 80, 7, 7, 0, 8, 91, 0, 8, 27, 0, 9, 150, 84, 7, 67, 0, 8, 123, 0, 8, 59, 0, 9, 214, 82, 7, 19, 0, 8, 107, 0, 8, 43, 0, 9, 182, 0, 8, 11, 0, 8, 139, + 0, 8, 75, 0, 9, 246, 80, 7, 5, 0, 8, 87, 0, 8, 23, 192, 8, 0, 83, 7, 51, 0, 8, 119, 0, 8, 55, 0, 9, 206, 81, 7, 15, 0, 8, 103, 0, 8, 39, 0, 9, 174, + 0, 8, 7, 0, 8, 135, 0, 8, 71, 0, 9, 238, 80, 7, 9, 0, 8, 95, 0, 8, 31, 0, 9, 158, 84, 7, 99, 0, 8, 127, 0, 8, 63, 0, 9, 222, 82, 7, 27, 0, 8, 111, + 0, 8, 47, 0, 9, 190, 0, 8, 15, 0, 8, 143, 0, 8, 79, 0, 9, 254, 96, 7, 256, 0, 8, 80, 0, 8, 16, 84, 8, 115, 82, 7, 31, 0, 8, 112, 0, 8, 48, 0, 9, + 193, 80, 7, 10, 0, 8, 96, 0, 8, 32, 0, 9, 161, 0, 8, 0, 0, 8, 128, 0, 8, 64, 0, 9, 225, 80, 7, 6, 0, 8, 88, 0, 8, 24, 0, 9, 145, 83, 7, 59, 0, 8, + 120, 0, 8, 56, 0, 9, 209, 81, 7, 17, 0, 8, 104, 0, 8, 40, 0, 9, 177, 0, 8, 8, 0, 8, 136, 0, 8, 72, 0, 9, 241, 80, 7, 4, 0, 8, 84, 0, 8, 20, 85, 8, + 227, 83, 7, 43, 0, 8, 116, 0, 8, 52, 0, 9, 201, 81, 7, 13, 0, 8, 100, 0, 8, 36, 0, 9, 169, 0, 8, 4, 0, 8, 132, 0, 8, 68, 0, 9, 233, 80, 7, 8, 0, 8, + 92, 0, 8, 28, 0, 9, 153, 84, 7, 83, 0, 8, 124, 0, 8, 60, 0, 9, 217, 82, 7, 23, 0, 8, 108, 0, 8, 44, 0, 9, 185, 0, 8, 12, 0, 8, 140, 0, 8, 76, 0, 9, + 249, 80, 7, 3, 0, 8, 82, 0, 8, 18, 85, 8, 163, 83, 7, 35, 0, 8, 114, 0, 8, 50, 0, 9, 197, 81, 7, 11, 0, 8, 98, 0, 8, 34, 0, 9, 165, 0, 8, 2, 0, 8, + 130, 0, 8, 66, 0, 9, 229, 80, 7, 7, 0, 8, 90, 0, 8, 26, 0, 9, 149, 84, 7, 67, 0, 8, 122, 0, 8, 58, 0, 9, 213, 82, 7, 19, 0, 8, 106, 0, 8, 42, 0, 9, + 181, 0, 8, 10, 0, 8, 138, 0, 8, 74, 0, 9, 245, 80, 7, 5, 0, 8, 86, 0, 8, 22, 192, 8, 0, 83, 7, 51, 0, 8, 118, 0, 8, 54, 0, 9, 205, 81, 7, 15, 0, 8, + 102, 0, 8, 38, 0, 9, 173, 0, 8, 6, 0, 8, 134, 0, 8, 70, 0, 9, 237, 80, 7, 9, 0, 8, 94, 0, 8, 30, 0, 9, 157, 84, 7, 99, 0, 8, 126, 0, 8, 62, 0, 9, + 221, 82, 7, 27, 0, 8, 110, 0, 8, 46, 0, 9, 189, 0, 8, 14, 0, 8, 142, 0, 8, 78, 0, 9, 253, 96, 7, 256, 0, 8, 81, 0, 8, 17, 85, 8, 131, 82, 7, 31, 0, + 8, 113, 0, 8, 49, 0, 9, 195, 80, 7, 10, 0, 8, 97, 0, 8, 33, 0, 9, 163, 0, 8, 1, 0, 8, 129, 0, 8, 65, 0, 9, 227, 80, 7, 6, 0, 8, 89, 0, 8, 25, 0, 9, + 147, 83, 7, 59, 0, 8, 121, 0, 8, 57, 0, 9, 211, 81, 7, 17, 0, 8, 105, 0, 8, 41, 0, 9, 179, 0, 8, 9, 0, 8, 137, 0, 8, 73, 0, 9, 243, 80, 7, 4, 0, 8, + 85, 0, 8, 21, 80, 8, 258, 83, 7, 43, 0, 8, 117, 0, 8, 53, 0, 9, 203, 81, 7, 13, 0, 8, 101, 0, 8, 37, 0, 9, 171, 0, 8, 5, 0, 8, 133, 0, 8, 69, 0, 9, + 235, 80, 7, 8, 0, 8, 93, 0, 8, 29, 0, 9, 155, 84, 7, 83, 0, 8, 125, 0, 8, 61, 0, 9, 219, 82, 7, 23, 0, 8, 109, 0, 8, 45, 0, 9, 187, 0, 8, 13, 0, 8, + 141, 0, 8, 77, 0, 9, 251, 80, 7, 3, 0, 8, 83, 0, 8, 19, 85, 8, 195, 83, 7, 35, 0, 8, 115, 0, 8, 51, 0, 9, 199, 81, 7, 11, 0, 8, 99, 0, 8, 35, 0, 9, + 167, 0, 8, 3, 0, 8, 131, 0, 8, 67, 0, 9, 231, 80, 7, 7, 0, 8, 91, 0, 8, 27, 0, 9, 151, 84, 7, 67, 0, 8, 123, 0, 8, 59, 0, 9, 215, 82, 7, 19, 0, 8, + 107, 0, 8, 43, 0, 9, 183, 0, 8, 11, 0, 8, 139, 0, 8, 75, 0, 9, 247, 80, 7, 5, 0, 8, 87, 0, 8, 23, 192, 8, 0, 83, 7, 51, 0, 8, 119, 0, 8, 55, 0, 9, + 207, 81, 7, 15, 0, 8, 103, 0, 8, 39, 0, 9, 175, 0, 8, 7, 0, 8, 135, 0, 8, 71, 0, 9, 239, 80, 7, 9, 0, 8, 95, 0, 8, 31, 0, 9, 159, 84, 7, 99, 0, 8, + 127, 0, 8, 63, 0, 9, 223, 82, 7, 27, 0, 8, 111, 0, 8, 47, 0, 9, 191, 0, 8, 15, 0, 8, 143, 0, 8, 79, 0, 9, 255 ]; + var fixed_td = [ 80, 5, 1, 87, 5, 257, 83, 5, 17, 91, 5, 4097, 81, 5, 5, 89, 5, 1025, 85, 5, 65, 93, 5, 16385, 80, 5, 3, 88, 5, 513, 84, 5, 33, 92, 5, + 8193, 82, 5, 9, 90, 5, 2049, 86, 5, 129, 192, 5, 24577, 80, 5, 2, 87, 5, 385, 83, 5, 25, 91, 5, 6145, 81, 5, 7, 89, 5, 1537, 85, 5, 97, 93, 5, + 24577, 80, 5, 4, 88, 5, 769, 84, 5, 49, 92, 5, 12289, 82, 5, 13, 90, 5, 3073, 86, 5, 193, 192, 5, 24577 ]; + + // Tables for deflate from PKZIP's appnote.txt. + var cplens = [ // Copy lengths for literal codes 257..285 + 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0 ]; + + // see note #13 above about 258 + var cplext = [ // Extra bits for literal codes 257..285 + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, 112, 112 // 112==invalid + ]; + + var cpdist = [ // Copy offsets for distance codes 0..29 + 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577 ]; + + var cpdext = [ // Extra bits for distance codes + 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13 ]; + + // If BMAX needs to be larger than 16, then h and x[] should be uLong. + var BMAX = 15; // maximum bit length of any code + + function InfTree() { + var that = this; + + var hn; // hufts used in space + var v; // work area for huft_build + var c; // bit length count table + var r; // table entry for structure assignment + var u; // table stack + var x; // bit offsets, then code stack + + function huft_build(b, // code lengths in bits (all assumed <= + // BMAX) + bindex, n, // number of codes (assumed <= 288) + s, // number of simple-valued codes (0..s-1) + d, // list of base values for non-simple codes + e, // list of extra bits for non-simple codes + t, // result: starting table + m, // maximum lookup bits, returns actual + hp,// space for trees + hn,// hufts used in space + v // working area: values in order of bit length + ) { + // Given a list of code lengths and a maximum table size, make a set of + // tables to decode that set of codes. Return Z_OK on success, + // Z_BUF_ERROR + // if the given code set is incomplete (the tables are still built in + // this + // case), Z_DATA_ERROR if the input is invalid (an over-subscribed set + // of + // lengths), or Z_MEM_ERROR if not enough memory. + + var a; // counter for codes of length k + var f; // i repeats in table every f entries + var g; // maximum code length + var h; // table level + var i; // counter, current code + var j; // counter + var k; // number of bits in current code + var l; // bits per table (returned in m) + var mask; // (1 << w) - 1, to avoid cc -O bug on HP + var p; // pointer into c[], b[], or v[] + var q; // points to current table + var w; // bits before this table == (l * h) + var xp; // pointer into x + var y; // number of dummy codes added + var z; // number of entries in current table + + // Generate counts for each bit length + + p = 0; + i = n; + do { + c[b[bindex + p]]++; + p++; + i--; // assume all entries <= BMAX + } while (i !== 0); + + if (c[0] == n) { // null input--all zero length codes + t[0] = -1; + m[0] = 0; + return Z_OK; + } + + // Find minimum and maximum length, bound *m by those + l = m[0]; + for (j = 1; j <= BMAX; j++) + if (c[j] !== 0) + break; + k = j; // minimum code length + if (l < j) { + l = j; + } + for (i = BMAX; i !== 0; i--) { + if (c[i] !== 0) + break; + } + g = i; // maximum code length + if (l > i) { + l = i; + } + m[0] = l; + + // Adjust last length count to fill out codes, if needed + for (y = 1 << j; j < i; j++, y <<= 1) { + if ((y -= c[j]) < 0) { + return Z_DATA_ERROR; + } + } + if ((y -= c[i]) < 0) { + return Z_DATA_ERROR; + } + c[i] += y; + + // Generate starting offsets into the value table for each length + x[1] = j = 0; + p = 1; + xp = 2; + while (--i !== 0) { // note that i == g from above + x[xp] = (j += c[p]); + xp++; + p++; + } + + // Make a table of values in order of bit lengths + i = 0; + p = 0; + do { + if ((j = b[bindex + p]) !== 0) { + v[x[j]++] = i; + } + p++; + } while (++i < n); + n = x[g]; // set n to length of v + + // Generate the Huffman codes and for each, make the table entries + x[0] = i = 0; // first Huffman code is zero + p = 0; // grab values in bit order + h = -1; // no tables yet--level -1 + w = -l; // bits decoded == (l * h) + u[0] = 0; // just to keep compilers happy + q = 0; // ditto + z = 0; // ditto + + // go through the bit lengths (k already is bits in shortest code) + for (; k <= g; k++) { + a = c[k]; + while (a-- !== 0) { + // here i is the Huffman code of length k bits for value *p + // make tables up to required level + while (k > w + l) { + h++; + w += l; // previous table always l bits + // compute minimum size table less than or equal to l bits + z = g - w; + z = (z > l) ? l : z; // table size upper limit + if ((f = 1 << (j = k - w)) > a + 1) { // try a k-w bit table + // too few codes for + // k-w bit table + f -= a + 1; // deduct codes from patterns left + xp = k; + if (j < z) { + while (++j < z) { // try smaller tables up to z bits + if ((f <<= 1) <= c[++xp]) + break; // enough codes to use up j bits + f -= c[xp]; // else deduct codes from patterns + } + } + } + z = 1 << j; // table entries for j-bit table + + // allocate new table + if (hn[0] + z > MANY) { // (note: doesn't matter for fixed) + return Z_DATA_ERROR; // overflow of MANY + } + u[h] = q = /* hp+ */hn[0]; // DEBUG + hn[0] += z; + + // connect to last table, if there is one + if (h !== 0) { + x[h] = i; // save pattern for backing up + r[0] = /* (byte) */j; // bits in this table + r[1] = /* (byte) */l; // bits to dump before this table + j = i >>> (w - l); + r[2] = /* (int) */(q - u[h - 1] - j); // offset to this table + hp.set(r, (u[h - 1] + j) * 3); + // to + // last + // table + } else { + t[0] = q; // first table is returned result + } + } + + // set up table entry in r + r[1] = /* (byte) */(k - w); + if (p >= n) { + r[0] = 128 + 64; // out of values--invalid code + } else if (v[p] < s) { + r[0] = /* (byte) */(v[p] < 256 ? 0 : 32 + 64); // 256 is + // end-of-block + r[2] = v[p++]; // simple code is just the value + } else { + r[0] = /* (byte) */(e[v[p] - s] + 16 + 64); // non-simple--look + // up in lists + r[2] = d[v[p++] - s]; + } + + // fill code-like entries with r + f = 1 << (k - w); + for (j = i >>> w; j < z; j += f) { + hp.set(r, (q + j) * 3); + } + + // backwards increment the k-bit code i + for (j = 1 << (k - 1); (i & j) !== 0; j >>>= 1) { + i ^= j; + } + i ^= j; + + // backup over finished tables + mask = (1 << w) - 1; // needed on HP, cc -O bug + while ((i & mask) != x[h]) { + h--; // don't need to update q + w -= l; + mask = (1 << w) - 1; + } + } + } + // Return Z_BUF_ERROR if we were given an incomplete table + return y !== 0 && g != 1 ? Z_BUF_ERROR : Z_OK; + } + + function initWorkArea(vsize) { + var i; + if (!hn) { + hn = []; // []; //new Array(1); + v = []; // new Array(vsize); + c = new Int32Array(BMAX + 1); // new Array(BMAX + 1); + r = []; // new Array(3); + u = new Int32Array(BMAX); // new Array(BMAX); + x = new Int32Array(BMAX + 1); // new Array(BMAX + 1); + } + if (v.length < vsize) { + v = []; // new Array(vsize); + } + for (i = 0; i < vsize; i++) { + v[i] = 0; + } + for (i = 0; i < BMAX + 1; i++) { + c[i] = 0; + } + for (i = 0; i < 3; i++) { + r[i] = 0; + } + // for(int i=0; i 257)) { + if (result == Z_DATA_ERROR) { + z.msg = "oversubscribed distance tree"; + } else if (result == Z_BUF_ERROR) { + z.msg = "incomplete distance tree"; + result = Z_DATA_ERROR; + } else if (result != Z_MEM_ERROR) { + z.msg = "empty distance tree with lengths"; + result = Z_DATA_ERROR; + } + return result; + } + + return Z_OK; + }; + + } + + InfTree.inflate_trees_fixed = function(bl, // literal desired/actual bit depth + bd, // distance desired/actual bit depth + tl,// literal/length tree result + td// distance tree result + ) { + bl[0] = fixed_bl; + bd[0] = fixed_bd; + tl[0] = fixed_tl; + td[0] = fixed_td; + return Z_OK; + }; + + // InfCodes + + // waiting for "i:"=input, + // "o:"=output, + // "x:"=nothing + var START = 0; // x: set up for LEN + var LEN = 1; // i: get length/literal/eob next + var LENEXT = 2; // i: getting length extra (have base) + var DIST = 3; // i: get distance next + var DISTEXT = 4;// i: getting distance extra + var COPY = 5; // o: copying bytes in window, waiting + // for space + var LIT = 6; // o: got literal, waiting for output + // space + var WASH = 7; // o: got eob, possibly still output + // waiting + var END = 8; // x: got eob and all data flushed + var BADCODE = 9;// x: got error + + function InfCodes() { + var that = this; + + var mode; // current inflate_codes mode + + // mode dependent information + var len = 0; + + var tree; // pointer into tree + var tree_index = 0; + var need = 0; // bits needed + + var lit = 0; + + // if EXT or COPY, where and how much + var get = 0; // bits to get for extra + var dist = 0; // distance back to copy from + + var lbits = 0; // ltree bits decoded per branch + var dbits = 0; // dtree bits decoder per branch + var ltree; // literal/length/eob tree + var ltree_index = 0; // literal/length/eob tree + var dtree; // distance tree + var dtree_index = 0; // distance tree + + // Called with number of bytes left to write in window at least 258 + // (the maximum string length) and number of input bytes available + // at least ten. The ten bytes are six bytes for the longest length/ + // distance pair plus four bytes for overloading the bit buffer. + + function inflate_fast(bl, bd, tl, tl_index, td, td_index, s, z) { + var t; // temporary pointer + var tp; // temporary pointer + var tp_index; // temporary pointer + var e; // extra bits or operation + var b; // bit buffer + var k; // bits in bit buffer + var p; // input data pointer + var n; // bytes available there + var q; // output window write pointer + var m; // bytes to end of window or read pointer + var ml; // mask for literal/length tree + var md; // mask for distance tree + var c; // bytes to copy + var d; // distance back to copy from + var r; // copy source pointer + + var tp_index_t_3; // (tp_index+t)*3 + + // load input, output, bit values + p = z.next_in_index; + n = z.avail_in; + b = s.bitb; + k = s.bitk; + q = s.write; + m = q < s.read ? s.read - q - 1 : s.end - q; + + // initialize masks + ml = inflate_mask[bl]; + md = inflate_mask[bd]; + + // do until not enough input or output space for fast loop + do { // assume called with m >= 258 && n >= 10 + // get literal/length code + while (k < (20)) { // max bits for literal/length code + n--; + b |= (z.read_byte(p++) & 0xff) << k; + k += 8; + } + + t = b & ml; + tp = tl; + tp_index = tl_index; + tp_index_t_3 = (tp_index + t) * 3; + if ((e = tp[tp_index_t_3]) === 0) { + b >>= (tp[tp_index_t_3 + 1]); + k -= (tp[tp_index_t_3 + 1]); + + s.window[q++] = /* (byte) */tp[tp_index_t_3 + 2]; + m--; + continue; + } + do { + + b >>= (tp[tp_index_t_3 + 1]); + k -= (tp[tp_index_t_3 + 1]); + + if ((e & 16) !== 0) { + e &= 15; + c = tp[tp_index_t_3 + 2] + (/* (int) */b & inflate_mask[e]); + + b >>= e; + k -= e; + + // decode distance base of block to copy + while (k < (15)) { // max bits for distance code + n--; + b |= (z.read_byte(p++) & 0xff) << k; + k += 8; + } + + t = b & md; + tp = td; + tp_index = td_index; + tp_index_t_3 = (tp_index + t) * 3; + e = tp[tp_index_t_3]; + + do { + + b >>= (tp[tp_index_t_3 + 1]); + k -= (tp[tp_index_t_3 + 1]); + + if ((e & 16) !== 0) { + // get extra bits to add to distance base + e &= 15; + while (k < (e)) { // get extra bits (up to 13) + n--; + b |= (z.read_byte(p++) & 0xff) << k; + k += 8; + } + + d = tp[tp_index_t_3 + 2] + (b & inflate_mask[e]); + + b >>= (e); + k -= (e); + + // do the copy + m -= c; + if (q >= d) { // offset before dest + // just copy + r = q - d; + if (q - r > 0 && 2 > (q - r)) { + s.window[q++] = s.window[r++]; // minimum + // count is + // three, + s.window[q++] = s.window[r++]; // so unroll + // loop a + // little + c -= 2; + } else { + s.window.set(s.window.subarray(r, r + 2), q); + q += 2; + r += 2; + c -= 2; + } + } else { // else offset after destination + r = q - d; + do { + r += s.end; // force pointer in window + } while (r < 0); // covers invalid distances + e = s.end - r; + if (c > e) { // if source crosses, + c -= e; // wrapped copy + if (q - r > 0 && e > (q - r)) { + do { + s.window[q++] = s.window[r++]; + } while (--e !== 0); + } else { + s.window.set(s.window.subarray(r, r + e), q); + q += e; + r += e; + e = 0; + } + r = 0; // copy rest from start of window + } + + } + + // copy all or what's left + if (q - r > 0 && c > (q - r)) { + do { + s.window[q++] = s.window[r++]; + } while (--c !== 0); + } else { + s.window.set(s.window.subarray(r, r + c), q); + q += c; + r += c; + c = 0; + } + break; + } else if ((e & 64) === 0) { + t += tp[tp_index_t_3 + 2]; + t += (b & inflate_mask[e]); + tp_index_t_3 = (tp_index + t) * 3; + e = tp[tp_index_t_3]; + } else { + z.msg = "invalid distance code"; + + c = z.avail_in - n; + c = (k >> 3) < c ? k >> 3 : c; + n += c; + p -= c; + k -= c << 3; + + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + + return Z_DATA_ERROR; + } + } while (true); + break; + } + + if ((e & 64) === 0) { + t += tp[tp_index_t_3 + 2]; + t += (b & inflate_mask[e]); + tp_index_t_3 = (tp_index + t) * 3; + if ((e = tp[tp_index_t_3]) === 0) { + + b >>= (tp[tp_index_t_3 + 1]); + k -= (tp[tp_index_t_3 + 1]); + + s.window[q++] = /* (byte) */tp[tp_index_t_3 + 2]; + m--; + break; + } + } else if ((e & 32) !== 0) { + + c = z.avail_in - n; + c = (k >> 3) < c ? k >> 3 : c; + n += c; + p -= c; + k -= c << 3; + + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + + return Z_STREAM_END; + } else { + z.msg = "invalid literal/length code"; + + c = z.avail_in - n; + c = (k >> 3) < c ? k >> 3 : c; + n += c; + p -= c; + k -= c << 3; + + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + + return Z_DATA_ERROR; + } + } while (true); + } while (m >= 258 && n >= 10); + + // not enough input or output--restore pointers and return + c = z.avail_in - n; + c = (k >> 3) < c ? k >> 3 : c; + n += c; + p -= c; + k -= c << 3; + + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + + return Z_OK; + } + + that.init = function(bl, bd, tl, tl_index, td, td_index) { + mode = START; + lbits = /* (byte) */bl; + dbits = /* (byte) */bd; + ltree = tl; + ltree_index = tl_index; + dtree = td; + dtree_index = td_index; + tree = null; + }; + + that.proc = function(s, z, r) { + var j; // temporary storage + var tindex; // temporary pointer + var e; // extra bits or operation + var b = 0; // bit buffer + var k = 0; // bits in bit buffer + var p = 0; // input data pointer + var n; // bytes available there + var q; // output window write pointer + var m; // bytes to end of window or read pointer + var f; // pointer to copy strings from + + // copy input/output information to locals (UPDATE macro restores) + p = z.next_in_index; + n = z.avail_in; + b = s.bitb; + k = s.bitk; + q = s.write; + m = q < s.read ? s.read - q - 1 : s.end - q; + + // process input and output based on current state + while (true) { + switch (mode) { + // waiting for "i:"=input, "o:"=output, "x:"=nothing + case START: // x: set up for LEN + if (m >= 258 && n >= 10) { + + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + r = inflate_fast(lbits, dbits, ltree, ltree_index, dtree, dtree_index, s, z); + + p = z.next_in_index; + n = z.avail_in; + b = s.bitb; + k = s.bitk; + q = s.write; + m = q < s.read ? s.read - q - 1 : s.end - q; + + if (r != Z_OK) { + mode = r == Z_STREAM_END ? WASH : BADCODE; + break; + } + } + need = lbits; + tree = ltree; + tree_index = ltree_index; + + mode = LEN; + /* falls through */ + case LEN: // i: get length/literal/eob next + j = need; + + while (k < (j)) { + if (n !== 0) + r = Z_OK; + else { + + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + return s.inflate_flush(z, r); + } + n--; + b |= (z.read_byte(p++) & 0xff) << k; + k += 8; + } + + tindex = (tree_index + (b & inflate_mask[j])) * 3; + + b >>>= (tree[tindex + 1]); + k -= (tree[tindex + 1]); + + e = tree[tindex]; + + if (e === 0) { // literal + lit = tree[tindex + 2]; + mode = LIT; + break; + } + if ((e & 16) !== 0) { // length + get = e & 15; + len = tree[tindex + 2]; + mode = LENEXT; + break; + } + if ((e & 64) === 0) { // next table + need = e; + tree_index = tindex / 3 + tree[tindex + 2]; + break; + } + if ((e & 32) !== 0) { // end of block + mode = WASH; + break; + } + mode = BADCODE; // invalid code + z.msg = "invalid literal/length code"; + r = Z_DATA_ERROR; + + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + return s.inflate_flush(z, r); + + case LENEXT: // i: getting length extra (have base) + j = get; + + while (k < (j)) { + if (n !== 0) + r = Z_OK; + else { + + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + return s.inflate_flush(z, r); + } + n--; + b |= (z.read_byte(p++) & 0xff) << k; + k += 8; + } + + len += (b & inflate_mask[j]); + + b >>= j; + k -= j; + + need = dbits; + tree = dtree; + tree_index = dtree_index; + mode = DIST; + /* falls through */ + case DIST: // i: get distance next + j = need; + + while (k < (j)) { + if (n !== 0) + r = Z_OK; + else { + + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + return s.inflate_flush(z, r); + } + n--; + b |= (z.read_byte(p++) & 0xff) << k; + k += 8; + } + + tindex = (tree_index + (b & inflate_mask[j])) * 3; + + b >>= tree[tindex + 1]; + k -= tree[tindex + 1]; + + e = (tree[tindex]); + if ((e & 16) !== 0) { // distance + get = e & 15; + dist = tree[tindex + 2]; + mode = DISTEXT; + break; + } + if ((e & 64) === 0) { // next table + need = e; + tree_index = tindex / 3 + tree[tindex + 2]; + break; + } + mode = BADCODE; // invalid code + z.msg = "invalid distance code"; + r = Z_DATA_ERROR; + + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + return s.inflate_flush(z, r); + + case DISTEXT: // i: getting distance extra + j = get; + + while (k < (j)) { + if (n !== 0) + r = Z_OK; + else { + + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + return s.inflate_flush(z, r); + } + n--; + b |= (z.read_byte(p++) & 0xff) << k; + k += 8; + } + + dist += (b & inflate_mask[j]); + + b >>= j; + k -= j; + + mode = COPY; + /* falls through */ + case COPY: // o: copying bytes in window, waiting for space + f = q - dist; + while (f < 0) { // modulo window size-"while" instead + f += s.end; // of "if" handles invalid distances + } + while (len !== 0) { + + if (m === 0) { + if (q == s.end && s.read !== 0) { + q = 0; + m = q < s.read ? s.read - q - 1 : s.end - q; + } + if (m === 0) { + s.write = q; + r = s.inflate_flush(z, r); + q = s.write; + m = q < s.read ? s.read - q - 1 : s.end - q; + + if (q == s.end && s.read !== 0) { + q = 0; + m = q < s.read ? s.read - q - 1 : s.end - q; + } + + if (m === 0) { + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + return s.inflate_flush(z, r); + } + } + } + + s.window[q++] = s.window[f++]; + m--; + + if (f == s.end) + f = 0; + len--; + } + mode = START; + break; + case LIT: // o: got literal, waiting for output space + if (m === 0) { + if (q == s.end && s.read !== 0) { + q = 0; + m = q < s.read ? s.read - q - 1 : s.end - q; + } + if (m === 0) { + s.write = q; + r = s.inflate_flush(z, r); + q = s.write; + m = q < s.read ? s.read - q - 1 : s.end - q; + + if (q == s.end && s.read !== 0) { + q = 0; + m = q < s.read ? s.read - q - 1 : s.end - q; + } + if (m === 0) { + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + return s.inflate_flush(z, r); + } + } + } + r = Z_OK; + + s.window[q++] = /* (byte) */lit; + m--; + + mode = START; + break; + case WASH: // o: got eob, possibly more output + if (k > 7) { // return unused byte, if any + k -= 8; + n++; + p--; // can always return one + } + + s.write = q; + r = s.inflate_flush(z, r); + q = s.write; + m = q < s.read ? s.read - q - 1 : s.end - q; + + if (s.read != s.write) { + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + return s.inflate_flush(z, r); + } + mode = END; + /* falls through */ + case END: + r = Z_STREAM_END; + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + return s.inflate_flush(z, r); + + case BADCODE: // x: got error + + r = Z_DATA_ERROR; + + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + return s.inflate_flush(z, r); + + default: + r = Z_STREAM_ERROR; + + s.bitb = b; + s.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + s.write = q; + return s.inflate_flush(z, r); + } + } + }; + + that.free = function() { + // ZFREE(z, c); + }; + + } + + // InfBlocks + + // Table for deflate from PKZIP's appnote.txt. + var border = [ // Order of the bit length code lengths + 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 ]; + + var TYPE = 0; // get type bits (3, including end bit) + var LENS = 1; // get lengths for stored + var STORED = 2;// processing stored block + var TABLE = 3; // get table lengths + var BTREE = 4; // get bit lengths tree for a dynamic + // block + var DTREE = 5; // get length, distance trees for a + // dynamic block + var CODES = 6; // processing fixed or dynamic block + var DRY = 7; // output remaining window bytes + var DONELOCKS = 8; // finished last block, done + var BADBLOCKS = 9; // ot a data error--stuck here + + function InfBlocks(z, w) { + var that = this; + + var mode = TYPE; // current inflate_block mode + + var left = 0; // if STORED, bytes left to copy + + var table = 0; // table lengths (14 bits) + var index = 0; // index into blens (or border) + var blens; // bit lengths of codes + var bb = [ 0 ]; // bit length tree depth + var tb = [ 0 ]; // bit length decoding tree + + var codes = new InfCodes(); // if CODES, current state + + var last = 0; // true if this block is the last block + + var hufts = new Int32Array(MANY * 3); // single malloc for tree space + var check = 0; // check on output + var inftree = new InfTree(); + + that.bitk = 0; // bits in bit buffer + that.bitb = 0; // bit buffer + that.window = new Uint8Array(w); // sliding window + that.end = w; // one byte after sliding window + that.read = 0; // window read pointer + that.write = 0; // window write pointer + + that.reset = function(z, c) { + if (c) + c[0] = check; + // if (mode == BTREE || mode == DTREE) { + // } + if (mode == CODES) { + codes.free(z); + } + mode = TYPE; + that.bitk = 0; + that.bitb = 0; + that.read = that.write = 0; + }; + + that.reset(z, null); + + // copy as much as possible from the sliding window to the output area + that.inflate_flush = function(z, r) { + var n; + var p; + var q; + + // local copies of source and destination pointers + p = z.next_out_index; + q = that.read; + + // compute number of bytes to copy as far as end of window + n = /* (int) */((q <= that.write ? that.write : that.end) - q); + if (n > z.avail_out) + n = z.avail_out; + if (n !== 0 && r == Z_BUF_ERROR) + r = Z_OK; + + // update counters + z.avail_out -= n; + z.total_out += n; + + // copy as far as end of window + z.next_out.set(that.window.subarray(q, q + n), p); + p += n; + q += n; + + // see if more to copy at beginning of window + if (q == that.end) { + // wrap pointers + q = 0; + if (that.write == that.end) + that.write = 0; + + // compute bytes to copy + n = that.write - q; + if (n > z.avail_out) + n = z.avail_out; + if (n !== 0 && r == Z_BUF_ERROR) + r = Z_OK; + + // update counters + z.avail_out -= n; + z.total_out += n; + + // copy + z.next_out.set(that.window.subarray(q, q + n), p); + p += n; + q += n; + } + + // update pointers + z.next_out_index = p; + that.read = q; + + // done + return r; + }; + + that.proc = function(z, r) { + var t; // temporary storage + var b; // bit buffer + var k; // bits in bit buffer + var p; // input data pointer + var n; // bytes available there + var q; // output window write pointer + var m; // bytes to end of window or read pointer + + var i; + + // copy input/output information to locals (UPDATE macro restores) + // { + p = z.next_in_index; + n = z.avail_in; + b = that.bitb; + k = that.bitk; + // } + // { + q = that.write; + m = /* (int) */(q < that.read ? that.read - q - 1 : that.end - q); + // } + + // process input based on current state + // DEBUG dtree + while (true) { + switch (mode) { + case TYPE: + + while (k < (3)) { + if (n !== 0) { + r = Z_OK; + } else { + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + n--; + b |= (z.read_byte(p++) & 0xff) << k; + k += 8; + } + t = /* (int) */(b & 7); + last = t & 1; + + switch (t >>> 1) { + case 0: // stored + // { + b >>>= (3); + k -= (3); + // } + t = k & 7; // go to byte boundary + + // { + b >>>= (t); + k -= (t); + // } + mode = LENS; // get length of stored block + break; + case 1: // fixed + // { + var bl = []; // new Array(1); + var bd = []; // new Array(1); + var tl = [ [] ]; // new Array(1); + var td = [ [] ]; // new Array(1); + + InfTree.inflate_trees_fixed(bl, bd, tl, td); + codes.init(bl[0], bd[0], tl[0], 0, td[0], 0); + // } + + // { + b >>>= (3); + k -= (3); + // } + + mode = CODES; + break; + case 2: // dynamic + + // { + b >>>= (3); + k -= (3); + // } + + mode = TABLE; + break; + case 3: // illegal + + // { + b >>>= (3); + k -= (3); + // } + mode = BADBLOCKS; + z.msg = "invalid block type"; + r = Z_DATA_ERROR; + + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + break; + case LENS: + + while (k < (32)) { + if (n !== 0) { + r = Z_OK; + } else { + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + n--; + b |= (z.read_byte(p++) & 0xff) << k; + k += 8; + } + + if ((((~b) >>> 16) & 0xffff) != (b & 0xffff)) { + mode = BADBLOCKS; + z.msg = "invalid stored block lengths"; + r = Z_DATA_ERROR; + + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + left = (b & 0xffff); + b = k = 0; // dump bits + mode = left !== 0 ? STORED : (last !== 0 ? DRY : TYPE); + break; + case STORED: + if (n === 0) { + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + + if (m === 0) { + if (q == that.end && that.read !== 0) { + q = 0; + m = /* (int) */(q < that.read ? that.read - q - 1 : that.end - q); + } + if (m === 0) { + that.write = q; + r = that.inflate_flush(z, r); + q = that.write; + m = /* (int) */(q < that.read ? that.read - q - 1 : that.end - q); + if (q == that.end && that.read !== 0) { + q = 0; + m = /* (int) */(q < that.read ? that.read - q - 1 : that.end - q); + } + if (m === 0) { + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + } + } + r = Z_OK; + + t = left; + if (t > n) + t = n; + if (t > m) + t = m; + that.window.set(z.read_buf(p, t), q); + p += t; + n -= t; + q += t; + m -= t; + if ((left -= t) !== 0) + break; + mode = last !== 0 ? DRY : TYPE; + break; + case TABLE: + + while (k < (14)) { + if (n !== 0) { + r = Z_OK; + } else { + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + + n--; + b |= (z.read_byte(p++) & 0xff) << k; + k += 8; + } + + table = t = (b & 0x3fff); + if ((t & 0x1f) > 29 || ((t >> 5) & 0x1f) > 29) { + mode = BADBLOCKS; + z.msg = "too many length or distance symbols"; + r = Z_DATA_ERROR; + + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + t = 258 + (t & 0x1f) + ((t >> 5) & 0x1f); + if (!blens || blens.length < t) { + blens = []; // new Array(t); + } else { + for (i = 0; i < t; i++) { + blens[i] = 0; + } + } + + // { + b >>>= (14); + k -= (14); + // } + + index = 0; + mode = BTREE; + /* falls through */ + case BTREE: + while (index < 4 + (table >>> 10)) { + while (k < (3)) { + if (n !== 0) { + r = Z_OK; + } else { + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + n--; + b |= (z.read_byte(p++) & 0xff) << k; + k += 8; + } + + blens[border[index++]] = b & 7; + + // { + b >>>= (3); + k -= (3); + // } + } + + while (index < 19) { + blens[border[index++]] = 0; + } + + bb[0] = 7; + t = inftree.inflate_trees_bits(blens, bb, tb, hufts, z); + if (t != Z_OK) { + r = t; + if (r == Z_DATA_ERROR) { + blens = null; + mode = BADBLOCKS; + } + + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + + index = 0; + mode = DTREE; + /* falls through */ + case DTREE: + while (true) { + t = table; + if (index >= 258 + (t & 0x1f) + ((t >> 5) & 0x1f)) { + break; + } + + var j, c; + + t = bb[0]; + + while (k < (t)) { + if (n !== 0) { + r = Z_OK; + } else { + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + n--; + b |= (z.read_byte(p++) & 0xff) << k; + k += 8; + } + + // if (tb[0] == -1) { + // System.err.println("null..."); + // } + + t = hufts[(tb[0] + (b & inflate_mask[t])) * 3 + 1]; + c = hufts[(tb[0] + (b & inflate_mask[t])) * 3 + 2]; + + if (c < 16) { + b >>>= (t); + k -= (t); + blens[index++] = c; + } else { // c == 16..18 + i = c == 18 ? 7 : c - 14; + j = c == 18 ? 11 : 3; + + while (k < (t + i)) { + if (n !== 0) { + r = Z_OK; + } else { + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + n--; + b |= (z.read_byte(p++) & 0xff) << k; + k += 8; + } + + b >>>= (t); + k -= (t); + + j += (b & inflate_mask[i]); + + b >>>= (i); + k -= (i); + + i = index; + t = table; + if (i + j > 258 + (t & 0x1f) + ((t >> 5) & 0x1f) || (c == 16 && i < 1)) { + blens = null; + mode = BADBLOCKS; + z.msg = "invalid bit length repeat"; + r = Z_DATA_ERROR; + + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + + c = c == 16 ? blens[i - 1] : 0; + do { + blens[i++] = c; + } while (--j !== 0); + index = i; + } + } + + tb[0] = -1; + // { + var bl_ = []; // new Array(1); + var bd_ = []; // new Array(1); + var tl_ = []; // new Array(1); + var td_ = []; // new Array(1); + bl_[0] = 9; // must be <= 9 for lookahead assumptions + bd_[0] = 6; // must be <= 9 for lookahead assumptions + + t = table; + t = inftree.inflate_trees_dynamic(257 + (t & 0x1f), 1 + ((t >> 5) & 0x1f), blens, bl_, bd_, tl_, td_, hufts, z); + + if (t != Z_OK) { + if (t == Z_DATA_ERROR) { + blens = null; + mode = BADBLOCKS; + } + r = t; + + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + codes.init(bl_[0], bd_[0], hufts, tl_[0], hufts, td_[0]); + // } + mode = CODES; + /* falls through */ + case CODES: + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + + if ((r = codes.proc(that, z, r)) != Z_STREAM_END) { + return that.inflate_flush(z, r); + } + r = Z_OK; + codes.free(z); + + p = z.next_in_index; + n = z.avail_in; + b = that.bitb; + k = that.bitk; + q = that.write; + m = /* (int) */(q < that.read ? that.read - q - 1 : that.end - q); + + if (last === 0) { + mode = TYPE; + break; + } + mode = DRY; + /* falls through */ + case DRY: + that.write = q; + r = that.inflate_flush(z, r); + q = that.write; + m = /* (int) */(q < that.read ? that.read - q - 1 : that.end - q); + if (that.read != that.write) { + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + mode = DONELOCKS; + /* falls through */ + case DONELOCKS: + r = Z_STREAM_END; + + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + case BADBLOCKS: + r = Z_DATA_ERROR; + + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + + default: + r = Z_STREAM_ERROR; + + that.bitb = b; + that.bitk = k; + z.avail_in = n; + z.total_in += p - z.next_in_index; + z.next_in_index = p; + that.write = q; + return that.inflate_flush(z, r); + } + } + }; + + that.free = function(z) { + that.reset(z, null); + that.window = null; + hufts = null; + // ZFREE(z, s); + }; + + that.set_dictionary = function(d, start, n) { + that.window.set(d.subarray(start, start + n), 0); + that.read = that.write = n; + }; + + // Returns true if inflate is currently at the end of a block generated + // by Z_SYNC_FLUSH or Z_FULL_FLUSH. + that.sync_point = function() { + return mode == LENS ? 1 : 0; + }; + + } + + // Inflate + + // preset dictionary flag in zlib header + var PRESET_DICT = 0x20; + + var Z_DEFLATED = 8; + + var METHOD = 0; // waiting for method byte + var FLAG = 1; // waiting for flag byte + var DICT4 = 2; // four dictionary check bytes to go + var DICT3 = 3; // three dictionary check bytes to go + var DICT2 = 4; // two dictionary check bytes to go + var DICT1 = 5; // one dictionary check byte to go + var DICT0 = 6; // waiting for inflateSetDictionary + var BLOCKS = 7; // decompressing blocks + var DONE = 12; // finished check, done + var BAD = 13; // got an error--stay here + + var mark = [ 0, 0, 0xff, 0xff ]; + + function Inflate() { + var that = this; + + that.mode = 0; // current inflate mode + + // mode dependent information + that.method = 0; // if FLAGS, method byte + + // if CHECK, check values to compare + that.was = [ 0 ]; // new Array(1); // computed check value + that.need = 0; // stream check value + + // if BAD, inflateSync's marker bytes count + that.marker = 0; + + // mode independent information + that.wbits = 0; // log2(window size) (8..15, defaults to 15) + + // this.blocks; // current inflate_blocks state + + function inflateReset(z) { + if (!z || !z.istate) + return Z_STREAM_ERROR; + + z.total_in = z.total_out = 0; + z.msg = null; + z.istate.mode = BLOCKS; + z.istate.blocks.reset(z, null); + return Z_OK; + } + + that.inflateEnd = function(z) { + if (that.blocks) + that.blocks.free(z); + that.blocks = null; + // ZFREE(z, z->state); + return Z_OK; + }; + + that.inflateInit = function(z, w) { + z.msg = null; + that.blocks = null; + + // set window size + if (w < 8 || w > 15) { + that.inflateEnd(z); + return Z_STREAM_ERROR; + } + that.wbits = w; + + z.istate.blocks = new InfBlocks(z, 1 << w); + + // reset state + inflateReset(z); + return Z_OK; + }; + + that.inflate = function(z, f) { + var r; + var b; + + if (!z || !z.istate || !z.next_in) + return Z_STREAM_ERROR; + f = f == Z_FINISH ? Z_BUF_ERROR : Z_OK; + r = Z_BUF_ERROR; + while (true) { + // System.out.println("mode: "+z.istate.mode); + switch (z.istate.mode) { + case METHOD: + + if (z.avail_in === 0) + return r; + r = f; + + z.avail_in--; + z.total_in++; + if (((z.istate.method = z.read_byte(z.next_in_index++)) & 0xf) != Z_DEFLATED) { + z.istate.mode = BAD; + z.msg = "unknown compression method"; + z.istate.marker = 5; // can't try inflateSync + break; + } + if ((z.istate.method >> 4) + 8 > z.istate.wbits) { + z.istate.mode = BAD; + z.msg = "invalid window size"; + z.istate.marker = 5; // can't try inflateSync + break; + } + z.istate.mode = FLAG; + /* falls through */ + case FLAG: + + if (z.avail_in === 0) + return r; + r = f; + + z.avail_in--; + z.total_in++; + b = (z.read_byte(z.next_in_index++)) & 0xff; + + if ((((z.istate.method << 8) + b) % 31) !== 0) { + z.istate.mode = BAD; + z.msg = "incorrect header check"; + z.istate.marker = 5; // can't try inflateSync + break; + } + + if ((b & PRESET_DICT) === 0) { + z.istate.mode = BLOCKS; + break; + } + z.istate.mode = DICT4; + /* falls through */ + case DICT4: + + if (z.avail_in === 0) + return r; + r = f; + + z.avail_in--; + z.total_in++; + z.istate.need = ((z.read_byte(z.next_in_index++) & 0xff) << 24) & 0xff000000; + z.istate.mode = DICT3; + /* falls through */ + case DICT3: + + if (z.avail_in === 0) + return r; + r = f; + + z.avail_in--; + z.total_in++; + z.istate.need += ((z.read_byte(z.next_in_index++) & 0xff) << 16) & 0xff0000; + z.istate.mode = DICT2; + /* falls through */ + case DICT2: + + if (z.avail_in === 0) + return r; + r = f; + + z.avail_in--; + z.total_in++; + z.istate.need += ((z.read_byte(z.next_in_index++) & 0xff) << 8) & 0xff00; + z.istate.mode = DICT1; + /* falls through */ + case DICT1: + + if (z.avail_in === 0) + return r; + r = f; + + z.avail_in--; + z.total_in++; + z.istate.need += (z.read_byte(z.next_in_index++) & 0xff); + z.istate.mode = DICT0; + return Z_NEED_DICT; + case DICT0: + z.istate.mode = BAD; + z.msg = "need dictionary"; + z.istate.marker = 0; // can try inflateSync + return Z_STREAM_ERROR; + case BLOCKS: + + r = z.istate.blocks.proc(z, r); + if (r == Z_DATA_ERROR) { + z.istate.mode = BAD; + z.istate.marker = 0; // can try inflateSync + break; + } + if (r == Z_OK) { + r = f; + } + if (r != Z_STREAM_END) { + return r; + } + r = f; + z.istate.blocks.reset(z, z.istate.was); + z.istate.mode = DONE; + /* falls through */ + case DONE: + return Z_STREAM_END; + case BAD: + return Z_DATA_ERROR; + default: + return Z_STREAM_ERROR; + } + } + }; + + that.inflateSetDictionary = function(z, dictionary, dictLength) { + var index = 0; + var length = dictLength; + if (!z || !z.istate || z.istate.mode != DICT0) + return Z_STREAM_ERROR; + + if (length >= (1 << z.istate.wbits)) { + length = (1 << z.istate.wbits) - 1; + index = dictLength - length; + } + z.istate.blocks.set_dictionary(dictionary, index, length); + z.istate.mode = BLOCKS; + return Z_OK; + }; + + that.inflateSync = function(z) { + var n; // number of bytes to look at + var p; // pointer to bytes + var m; // number of marker bytes found in a row + var r, w; // temporaries to save total_in and total_out + + // set up + if (!z || !z.istate) + return Z_STREAM_ERROR; + if (z.istate.mode != BAD) { + z.istate.mode = BAD; + z.istate.marker = 0; + } + if ((n = z.avail_in) === 0) + return Z_BUF_ERROR; + p = z.next_in_index; + m = z.istate.marker; + + // search + while (n !== 0 && m < 4) { + if (z.read_byte(p) == mark[m]) { + m++; + } else if (z.read_byte(p) !== 0) { + m = 0; + } else { + m = 4 - m; + } + p++; + n--; + } + + // restore + z.total_in += p - z.next_in_index; + z.next_in_index = p; + z.avail_in = n; + z.istate.marker = m; + + // return no joy or set up to restart on a new block + if (m != 4) { + return Z_DATA_ERROR; + } + r = z.total_in; + w = z.total_out; + inflateReset(z); + z.total_in = r; + z.total_out = w; + z.istate.mode = BLOCKS; + return Z_OK; + }; + + // Returns true if inflate is currently at the end of a block generated + // by Z_SYNC_FLUSH or Z_FULL_FLUSH. This function is used by one PPP + // implementation to provide an additional safety check. PPP uses + // Z_SYNC_FLUSH + // but removes the length bytes of the resulting empty stored block. When + // decompressing, PPP checks that at the end of input packet, inflate is + // waiting for these length bytes. + that.inflateSyncPoint = function(z) { + if (!z || !z.istate || !z.istate.blocks) + return Z_STREAM_ERROR; + return z.istate.blocks.sync_point(); + }; + } + + // ZStream + + function ZStream() { + } + + ZStream.prototype = { + inflateInit : function(bits) { + var that = this; + that.istate = new Inflate(); + if (!bits) + bits = MAX_BITS; + return that.istate.inflateInit(that, bits); + }, + + inflate : function(f) { + var that = this; + if (!that.istate) + return Z_STREAM_ERROR; + return that.istate.inflate(that, f); + }, + + inflateEnd : function() { + var that = this; + if (!that.istate) + return Z_STREAM_ERROR; + var ret = that.istate.inflateEnd(that); + that.istate = null; + return ret; + }, + + inflateSync : function() { + var that = this; + if (!that.istate) + return Z_STREAM_ERROR; + return that.istate.inflateSync(that); + }, + inflateSetDictionary : function(dictionary, dictLength) { + var that = this; + if (!that.istate) + return Z_STREAM_ERROR; + return that.istate.inflateSetDictionary(that, dictionary, dictLength); + }, + read_byte : function(start) { + var that = this; + return that.next_in.subarray(start, start + 1)[0]; + }, + read_buf : function(start, size) { + var that = this; + return that.next_in.subarray(start, start + size); + } + }; + + // Inflater + + function Inflater() { + var that = this; + var z = new ZStream(); + var bufsize = 512; + var flush = Z_NO_FLUSH; + var buf = new Uint8Array(bufsize); + var nomoreinput = false; + + z.inflateInit(); + z.next_out = buf; + + that.append = function(data, onprogress) { + var err, buffers = [], lastIndex = 0, bufferIndex = 0, bufferSize = 0, array; + if (data.length === 0) + return; + z.next_in_index = 0; + z.next_in = data; + z.avail_in = data.length; + do { + z.next_out_index = 0; + z.avail_out = bufsize; + if ((z.avail_in === 0) && (!nomoreinput)) { // if buffer is empty and more input is available, refill it + z.next_in_index = 0; + nomoreinput = true; + } + err = z.inflate(flush); + if (nomoreinput && (err === Z_BUF_ERROR)) { + if (z.avail_in !== 0) + throw new Error("inflating: bad input"); + } else if (err !== Z_OK && err !== Z_STREAM_END) + throw new Error("inflating: " + z.msg); + if ((nomoreinput || err === Z_STREAM_END) && (z.avail_in === data.length)) + throw new Error("inflating: bad input"); + if (z.next_out_index) + if (z.next_out_index === bufsize) + buffers.push(new Uint8Array(buf)); + else + buffers.push(new Uint8Array(buf.subarray(0, z.next_out_index))); + bufferSize += z.next_out_index; + if (onprogress && z.next_in_index > 0 && z.next_in_index != lastIndex) { + onprogress(z.next_in_index); + lastIndex = z.next_in_index; + } + } while (z.avail_in > 0 || z.avail_out === 0); + array = new Uint8Array(bufferSize); + buffers.forEach(function(chunk) { + array.set(chunk, bufferIndex); + bufferIndex += chunk.length; + }); + return array; + }; + that.flush = function() { + z.inflateEnd(); + }; + } + + // 'zip' may not be defined in z-worker and some tests + var env = global.zip || global; + env.Inflater = env._jzlib_Inflater = Inflater; +})(this); diff --git a/sync/vendor/zipjs/z-worker.js b/sync/vendor/zipjs/z-worker.js new file mode 100755 index 00000000..3e4019e8 --- /dev/null +++ b/sync/vendor/zipjs/z-worker.js @@ -0,0 +1,153 @@ +/* jshint worker:true */ +(function main(global) { + "use strict"; + + if (global.zWorkerInitialized) + throw new Error('z-worker.js should be run only once'); + global.zWorkerInitialized = true; + + addEventListener("message", function(event) { + var message = event.data, type = message.type, sn = message.sn; + var handler = handlers[type]; + if (handler) { + try { + handler(message); + } catch (e) { + onError(type, sn, e); + } + } + //for debug + //postMessage({type: 'echo', originalType: type, sn: sn}); + }); + + var handlers = { + importScripts: doImportScripts, + newTask: newTask, + append: processData, + flush: processData, + }; + + // deflater/inflater tasks indexed by serial numbers + var tasks = {}; + + function doImportScripts(msg) { + if (msg.scripts && msg.scripts.length > 0) + importScripts.apply(undefined, msg.scripts); + postMessage({type: 'importScripts'}); + } + + function newTask(msg) { + var CodecClass = global[msg.codecClass]; + var sn = msg.sn; + if (tasks[sn]) + throw Error('duplicated sn'); + tasks[sn] = { + codec: new CodecClass(msg.options), + crcInput: msg.crcType === 'input', + crcOutput: msg.crcType === 'output', + crc: new Crc32(), + }; + postMessage({type: 'newTask', sn: sn}); + } + + // performance may not be supported + var now = global.performance ? global.performance.now.bind(global.performance) : Date.now; + + function processData(msg) { + var sn = msg.sn, type = msg.type, input = msg.data; + var task = tasks[sn]; + // allow creating codec on first append + if (!task && msg.codecClass) { + newTask(msg); + task = tasks[sn]; + } + var isAppend = type === 'append'; + var start = now(); + var output; + if (isAppend) { + try { + output = task.codec.append(input, function onprogress(loaded) { + postMessage({type: 'progress', sn: sn, loaded: loaded}); + }); + } catch (e) { + delete tasks[sn]; + throw e; + } + } else { + delete tasks[sn]; + output = task.codec.flush(); + } + var codecTime = now() - start; + + start = now(); + if (input && task.crcInput) + task.crc.append(input); + if (output && task.crcOutput) + task.crc.append(output); + var crcTime = now() - start; + + var rmsg = {type: type, sn: sn, codecTime: codecTime, crcTime: crcTime}; + var transferables = []; + if (output) { + rmsg.data = output; + transferables.push(output.buffer); + } + if (!isAppend && (task.crcInput || task.crcOutput)) + rmsg.crc = task.crc.get(); + + // posting a message with transferables will fail on IE10 + try { + postMessage(rmsg, transferables); + } catch(ex) { + postMessage(rmsg); // retry without transferables + } + } + + function onError(type, sn, e) { + var msg = { + type: type, + sn: sn, + error: formatError(e) + }; + postMessage(msg); + } + + function formatError(e) { + return { message: e.message, stack: e.stack }; + } + + // Crc32 code copied from file zip.js + function Crc32() { + this.crc = -1; + } + Crc32.prototype.append = function append(data) { + var crc = this.crc | 0, table = this.table; + for (var offset = 0, len = data.length | 0; offset < len; offset++) + crc = (crc >>> 8) ^ table[(crc ^ data[offset]) & 0xFF]; + this.crc = crc; + }; + Crc32.prototype.get = function get() { + return ~this.crc; + }; + Crc32.prototype.table = (function() { + var i, j, t, table = []; // Uint32Array is actually slower than [] + for (i = 0; i < 256; i++) { + t = i; + for (j = 0; j < 8; j++) + if (t & 1) + t = (t >>> 1) ^ 0xEDB88320; + else + t = t >>> 1; + table[i] = t; + } + return table; + })(); + + // "no-op" codec + function NOOP() {} + global.NOOP = NOOP; + NOOP.prototype.append = function append(bytes, onprogress) { + return bytes; + }; + NOOP.prototype.flush = function flush() {}; +})(this); diff --git a/sync/vendor/zipjs/zip.js b/sync/vendor/zipjs/zip.js new file mode 100755 index 00000000..4f6f67e8 --- /dev/null +++ b/sync/vendor/zipjs/zip.js @@ -0,0 +1,966 @@ +/* + Copyright (c) 2013 Gildas Lormeau. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the distribution. + + 3. The names of the authors may not be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT, + INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +(function(obj) { + "use strict"; + + var ERR_BAD_FORMAT = "File format is not recognized."; + var ERR_CRC = "CRC failed."; + var ERR_ENCRYPTED = "File contains encrypted entry."; + var ERR_ZIP64 = "File is using Zip64 (4gb+ file size)."; + var ERR_READ = "Error while reading zip file."; + var ERR_WRITE = "Error while writing zip file."; + var ERR_WRITE_DATA = "Error while writing file data."; + var ERR_READ_DATA = "Error while reading file data."; + var ERR_DUPLICATED_NAME = "File already exists."; + var CHUNK_SIZE = 512 * 1024; + + var TEXT_PLAIN = "text/plain"; + + var appendABViewSupported; + try { + appendABViewSupported = new Blob([ new DataView(new ArrayBuffer(0)) ]).size === 0; + } catch (e) { + } + + function Crc32() { + this.crc = -1; + } + Crc32.prototype.append = function append(data) { + var crc = this.crc | 0, table = this.table; + for (var offset = 0, len = data.length | 0; offset < len; offset++) + crc = (crc >>> 8) ^ table[(crc ^ data[offset]) & 0xFF]; + this.crc = crc; + }; + Crc32.prototype.get = function get() { + return ~this.crc; + }; + Crc32.prototype.table = (function() { + var i, j, t, table = []; // Uint32Array is actually slower than [] + for (i = 0; i < 256; i++) { + t = i; + for (j = 0; j < 8; j++) + if (t & 1) + t = (t >>> 1) ^ 0xEDB88320; + else + t = t >>> 1; + table[i] = t; + } + return table; + })(); + + // "no-op" codec + function NOOP() {} + NOOP.prototype.append = function append(bytes, onprogress) { + return bytes; + }; + NOOP.prototype.flush = function flush() {}; + + function blobSlice(blob, index, length) { + if (index < 0 || length < 0 || index + length > blob.size) + throw new RangeError('offset:' + index + ', length:' + length + ', size:' + blob.size); + if (blob.slice) + return blob.slice(index, index + length); + else if (blob.webkitSlice) + return blob.webkitSlice(index, index + length); + else if (blob.mozSlice) + return blob.mozSlice(index, index + length); + else if (blob.msSlice) + return blob.msSlice(index, index + length); + } + + function getDataHelper(byteLength, bytes) { + var dataBuffer, dataArray; + dataBuffer = new ArrayBuffer(byteLength); + dataArray = new Uint8Array(dataBuffer); + if (bytes) + dataArray.set(bytes, 0); + return { + buffer : dataBuffer, + array : dataArray, + view : new DataView(dataBuffer) + }; + } + + // Readers + function Reader() { + } + + function TextReader(text) { + var that = this, blobReader; + + function init(callback, onerror) { + var blob = new Blob([ text ], { + type : TEXT_PLAIN + }); + blobReader = new BlobReader(blob); + blobReader.init(function() { + that.size = blobReader.size; + callback(); + }, onerror); + } + + function readUint8Array(index, length, callback, onerror) { + blobReader.readUint8Array(index, length, callback, onerror); + } + + that.size = 0; + that.init = init; + that.readUint8Array = readUint8Array; + } + TextReader.prototype = new Reader(); + TextReader.prototype.constructor = TextReader; + + function Data64URIReader(dataURI) { + var that = this, dataStart; + + function init(callback) { + var dataEnd = dataURI.length; + while (dataURI.charAt(dataEnd - 1) == "=") + dataEnd--; + dataStart = dataURI.indexOf(",") + 1; + that.size = Math.floor((dataEnd - dataStart) * 0.75); + callback(); + } + + function readUint8Array(index, length, callback) { + var i, data = getDataHelper(length); + var start = Math.floor(index / 3) * 4; + var end = Math.ceil((index + length) / 3) * 4; + var bytes = obj.atob(dataURI.substring(start + dataStart, end + dataStart)); + var delta = index - Math.floor(start / 4) * 3; + for (i = delta; i < delta + length; i++) + data.array[i - delta] = bytes.charCodeAt(i); + callback(data.array); + } + + that.size = 0; + that.init = init; + that.readUint8Array = readUint8Array; + } + Data64URIReader.prototype = new Reader(); + Data64URIReader.prototype.constructor = Data64URIReader; + + function BlobReader(blob) { + var that = this; + + function init(callback) { + that.size = blob.size; + callback(); + } + + function readUint8Array(index, length, callback, onerror) { + var reader = new FileReader(); + reader.onload = function(e) { + callback(new Uint8Array(e.target.result)); + }; + reader.onerror = onerror; + try { + reader.readAsArrayBuffer(blobSlice(blob, index, length)); + } catch (e) { + onerror(e); + } + } + + that.size = 0; + that.init = init; + that.readUint8Array = readUint8Array; + } + BlobReader.prototype = new Reader(); + BlobReader.prototype.constructor = BlobReader; + + // Writers + + function Writer() { + } + Writer.prototype.getData = function(callback) { + callback(this.data); + }; + + function TextWriter(encoding) { + var that = this, blob; + + function init(callback) { + blob = new Blob([], { + type : TEXT_PLAIN + }); + callback(); + } + + function writeUint8Array(array, callback) { + blob = new Blob([ blob, appendABViewSupported ? array : array.buffer ], { + type : TEXT_PLAIN + }); + callback(); + } + + function getData(callback, onerror) { + var reader = new FileReader(); + reader.onload = function(e) { + callback(e.target.result); + }; + reader.onerror = onerror; + reader.readAsText(blob, encoding); + } + + that.init = init; + that.writeUint8Array = writeUint8Array; + that.getData = getData; + } + TextWriter.prototype = new Writer(); + TextWriter.prototype.constructor = TextWriter; + + function Data64URIWriter(contentType) { + var that = this, data = "", pending = ""; + + function init(callback) { + data += "data:" + (contentType || "") + ";base64,"; + callback(); + } + + function writeUint8Array(array, callback) { + var i, delta = pending.length, dataString = pending; + pending = ""; + for (i = 0; i < (Math.floor((delta + array.length) / 3) * 3) - delta; i++) + dataString += String.fromCharCode(array[i]); + for (; i < array.length; i++) + pending += String.fromCharCode(array[i]); + if (dataString.length > 2) + data += obj.btoa(dataString); + else + pending = dataString; + callback(); + } + + function getData(callback) { + callback(data + obj.btoa(pending)); + } + + that.init = init; + that.writeUint8Array = writeUint8Array; + that.getData = getData; + } + Data64URIWriter.prototype = new Writer(); + Data64URIWriter.prototype.constructor = Data64URIWriter; + + function BlobWriter(contentType) { + var blob, that = this; + + function init(callback) { + blob = new Blob([], { + type : contentType + }); + callback(); + } + + function writeUint8Array(array, callback) { + blob = new Blob([ blob, appendABViewSupported ? array : array.buffer ], { + type : contentType + }); + callback(); + } + + function getData(callback) { + callback(blob); + } + + that.init = init; + that.writeUint8Array = writeUint8Array; + that.getData = getData; + } + BlobWriter.prototype = new Writer(); + BlobWriter.prototype.constructor = BlobWriter; + + /** + * inflate/deflate core functions + * @param worker {Worker} web worker for the task. + * @param initialMessage {Object} initial message to be sent to the worker. should contain + * sn(serial number for distinguishing multiple tasks sent to the worker), and codecClass. + * This function may add more properties before sending. + */ + function launchWorkerProcess(worker, initialMessage, reader, writer, offset, size, onprogress, onend, onreaderror, onwriteerror) { + var chunkIndex = 0, index, outputSize, sn = initialMessage.sn, crc; + + function onflush() { + worker.removeEventListener('message', onmessage, false); + onend(outputSize, crc); + } + + function onmessage(event) { + var message = event.data, data = message.data, err = message.error; + if (err) { + err.toString = function () { return 'Error: ' + this.message; }; + onreaderror(err); + return; + } + if (message.sn !== sn) + return; + if (typeof message.codecTime === 'number') + worker.codecTime += message.codecTime; // should be before onflush() + if (typeof message.crcTime === 'number') + worker.crcTime += message.crcTime; + + switch (message.type) { + case 'append': + if (data) { + outputSize += data.length; + writer.writeUint8Array(data, function() { + step(); + }, onwriteerror); + } else + step(); + break; + case 'flush': + crc = message.crc; + if (data) { + outputSize += data.length; + writer.writeUint8Array(data, function() { + onflush(); + }, onwriteerror); + } else + onflush(); + break; + case 'progress': + if (onprogress) + onprogress(index + message.loaded, size); + break; + case 'importScripts': //no need to handle here + case 'newTask': + case 'echo': + break; + default: + console.warn('zip.js:launchWorkerProcess: unknown message: ', message); + } + } + + function step() { + index = chunkIndex * CHUNK_SIZE; + // use `<=` instead of `<`, because `size` may be 0. + if (index <= size) { + reader.readUint8Array(offset + index, Math.min(CHUNK_SIZE, size - index), function(array) { + if (onprogress) + onprogress(index, size); + var msg = index === 0 ? initialMessage : {sn : sn}; + msg.type = 'append'; + msg.data = array; + + // posting a message with transferables will fail on IE10 + try { + worker.postMessage(msg, [array.buffer]); + } catch(ex) { + worker.postMessage(msg); // retry without transferables + } + chunkIndex++; + }, onreaderror); + } else { + worker.postMessage({ + sn: sn, + type: 'flush' + }); + } + } + + outputSize = 0; + worker.addEventListener('message', onmessage, false); + step(); + } + + function launchProcess(process, reader, writer, offset, size, crcType, onprogress, onend, onreaderror, onwriteerror) { + var chunkIndex = 0, index, outputSize = 0, + crcInput = crcType === 'input', + crcOutput = crcType === 'output', + crc = new Crc32(); + function step() { + var outputData; + index = chunkIndex * CHUNK_SIZE; + if (index < size) + reader.readUint8Array(offset + index, Math.min(CHUNK_SIZE, size - index), function(inputData) { + var outputData; + try { + outputData = process.append(inputData, function(loaded) { + if (onprogress) + onprogress(index + loaded, size); + }); + } catch (e) { + onreaderror(e); + return; + } + if (outputData) { + outputSize += outputData.length; + writer.writeUint8Array(outputData, function() { + chunkIndex++; + setTimeout(step, 1); + }, onwriteerror); + if (crcOutput) + crc.append(outputData); + } else { + chunkIndex++; + setTimeout(step, 1); + } + if (crcInput) + crc.append(inputData); + if (onprogress) + onprogress(index, size); + }, onreaderror); + else { + try { + outputData = process.flush(); + } catch (e) { + onreaderror(e); + return; + } + if (outputData) { + if (crcOutput) + crc.append(outputData); + outputSize += outputData.length; + writer.writeUint8Array(outputData, function() { + onend(outputSize, crc.get()); + }, onwriteerror); + } else + onend(outputSize, crc.get()); + } + } + + step(); + } + + function inflate(worker, sn, reader, writer, offset, size, computeCrc32, onend, onprogress, onreaderror, onwriteerror) { + var crcType = computeCrc32 ? 'output' : 'none'; + if (obj.zip.useWebWorkers) { + var initialMessage = { + sn: sn, + codecClass: 'Inflater', + crcType: crcType, + }; + launchWorkerProcess(worker, initialMessage, reader, writer, offset, size, onprogress, onend, onreaderror, onwriteerror); + } else + launchProcess(new obj.zip.Inflater(), reader, writer, offset, size, crcType, onprogress, onend, onreaderror, onwriteerror); + } + + function deflate(worker, sn, reader, writer, level, onend, onprogress, onreaderror, onwriteerror) { + var crcType = 'input'; + if (obj.zip.useWebWorkers) { + var initialMessage = { + sn: sn, + options: {level: level}, + codecClass: 'Deflater', + crcType: crcType, + }; + launchWorkerProcess(worker, initialMessage, reader, writer, 0, reader.size, onprogress, onend, onreaderror, onwriteerror); + } else + launchProcess(new obj.zip.Deflater(), reader, writer, 0, reader.size, crcType, onprogress, onend, onreaderror, onwriteerror); + } + + function copy(worker, sn, reader, writer, offset, size, computeCrc32, onend, onprogress, onreaderror, onwriteerror) { + var crcType = 'input'; + if (obj.zip.useWebWorkers && computeCrc32) { + var initialMessage = { + sn: sn, + codecClass: 'NOOP', + crcType: crcType, + }; + launchWorkerProcess(worker, initialMessage, reader, writer, offset, size, onprogress, onend, onreaderror, onwriteerror); + } else + launchProcess(new NOOP(), reader, writer, offset, size, crcType, onprogress, onend, onreaderror, onwriteerror); + } + + // ZipReader + + function decodeASCII(str) { + var i, out = "", charCode, extendedASCII = [ '\u00C7', '\u00FC', '\u00E9', '\u00E2', '\u00E4', '\u00E0', '\u00E5', '\u00E7', '\u00EA', '\u00EB', + '\u00E8', '\u00EF', '\u00EE', '\u00EC', '\u00C4', '\u00C5', '\u00C9', '\u00E6', '\u00C6', '\u00F4', '\u00F6', '\u00F2', '\u00FB', '\u00F9', + '\u00FF', '\u00D6', '\u00DC', '\u00F8', '\u00A3', '\u00D8', '\u00D7', '\u0192', '\u00E1', '\u00ED', '\u00F3', '\u00FA', '\u00F1', '\u00D1', + '\u00AA', '\u00BA', '\u00BF', '\u00AE', '\u00AC', '\u00BD', '\u00BC', '\u00A1', '\u00AB', '\u00BB', '_', '_', '_', '\u00A6', '\u00A6', + '\u00C1', '\u00C2', '\u00C0', '\u00A9', '\u00A6', '\u00A6', '+', '+', '\u00A2', '\u00A5', '+', '+', '-', '-', '+', '-', '+', '\u00E3', + '\u00C3', '+', '+', '-', '-', '\u00A6', '-', '+', '\u00A4', '\u00F0', '\u00D0', '\u00CA', '\u00CB', '\u00C8', 'i', '\u00CD', '\u00CE', + '\u00CF', '+', '+', '_', '_', '\u00A6', '\u00CC', '_', '\u00D3', '\u00DF', '\u00D4', '\u00D2', '\u00F5', '\u00D5', '\u00B5', '\u00FE', + '\u00DE', '\u00DA', '\u00DB', '\u00D9', '\u00FD', '\u00DD', '\u00AF', '\u00B4', '\u00AD', '\u00B1', '_', '\u00BE', '\u00B6', '\u00A7', + '\u00F7', '\u00B8', '\u00B0', '\u00A8', '\u00B7', '\u00B9', '\u00B3', '\u00B2', '_', ' ' ]; + for (i = 0; i < str.length; i++) { + charCode = str.charCodeAt(i) & 0xFF; + if (charCode > 127) + out += extendedASCII[charCode - 128]; + else + out += String.fromCharCode(charCode); + } + return out; + } + + function decodeUTF8(string) { + return decodeURIComponent(escape(string)); + } + + function getString(bytes) { + var i, str = ""; + for (i = 0; i < bytes.length; i++) + str += String.fromCharCode(bytes[i]); + return str; + } + + function getDate(timeRaw) { + var date = (timeRaw & 0xffff0000) >> 16, time = timeRaw & 0x0000ffff; + try { + return new Date(1980 + ((date & 0xFE00) >> 9), ((date & 0x01E0) >> 5) - 1, date & 0x001F, (time & 0xF800) >> 11, (time & 0x07E0) >> 5, + (time & 0x001F) * 2, 0); + } catch (e) { + } + } + + function readCommonHeader(entry, data, index, centralDirectory, onerror) { + entry.version = data.view.getUint16(index, true); + entry.bitFlag = data.view.getUint16(index + 2, true); + entry.compressionMethod = data.view.getUint16(index + 4, true); + entry.lastModDateRaw = data.view.getUint32(index + 6, true); + entry.lastModDate = getDate(entry.lastModDateRaw); + if ((entry.bitFlag & 0x01) === 0x01) { + onerror(ERR_ENCRYPTED); + return; + } + if (centralDirectory || (entry.bitFlag & 0x0008) != 0x0008) { + entry.crc32 = data.view.getUint32(index + 10, true); + entry.compressedSize = data.view.getUint32(index + 14, true); + entry.uncompressedSize = data.view.getUint32(index + 18, true); + } + if (entry.compressedSize === 0xFFFFFFFF || entry.uncompressedSize === 0xFFFFFFFF) { + onerror(ERR_ZIP64); + return; + } + entry.filenameLength = data.view.getUint16(index + 22, true); + entry.extraFieldLength = data.view.getUint16(index + 24, true); + } + + function createZipReader(reader, callback, onerror) { + var inflateSN = 0; + + function Entry() { + } + + Entry.prototype.getData = function(writer, onend, onprogress, checkCrc32) { + var that = this; + + function testCrc32(crc32) { + var dataCrc32 = getDataHelper(4); + dataCrc32.view.setUint32(0, crc32); + return that.crc32 == dataCrc32.view.getUint32(0); + } + + function getWriterData(uncompressedSize, crc32) { + if (checkCrc32 && !testCrc32(crc32)) + onerror(ERR_CRC); + else + writer.getData(function(data) { + onend(data); + }); + } + + function onreaderror(err) { + onerror(err || ERR_READ_DATA); + } + + function onwriteerror(err) { + onerror(err || ERR_WRITE_DATA); + } + + reader.readUint8Array(that.offset, 30, function(bytes) { + var data = getDataHelper(bytes.length, bytes), dataOffset; + if (data.view.getUint32(0) != 0x504b0304) { + onerror(ERR_BAD_FORMAT); + return; + } + readCommonHeader(that, data, 4, false, onerror); + dataOffset = that.offset + 30 + that.filenameLength + that.extraFieldLength; + writer.init(function() { + if (that.compressionMethod === 0) + copy(that._worker, inflateSN++, reader, writer, dataOffset, that.compressedSize, checkCrc32, getWriterData, onprogress, onreaderror, onwriteerror); + else + inflate(that._worker, inflateSN++, reader, writer, dataOffset, that.compressedSize, checkCrc32, getWriterData, onprogress, onreaderror, onwriteerror); + }, onwriteerror); + }, onreaderror); + }; + + function seekEOCDR(eocdrCallback) { + // "End of central directory record" is the last part of a zip archive, and is at least 22 bytes long. + // Zip file comment is the last part of EOCDR and has max length of 64KB, + // so we only have to search the last 64K + 22 bytes of a archive for EOCDR signature (0x06054b50). + var EOCDR_MIN = 22; + if (reader.size < EOCDR_MIN) { + onerror(ERR_BAD_FORMAT); + return; + } + var ZIP_COMMENT_MAX = 256 * 256, EOCDR_MAX = EOCDR_MIN + ZIP_COMMENT_MAX; + + // In most cases, the EOCDR is EOCDR_MIN bytes long + doSeek(EOCDR_MIN, function() { + // If not found, try within EOCDR_MAX bytes + doSeek(Math.min(EOCDR_MAX, reader.size), function() { + onerror(ERR_BAD_FORMAT); + }); + }); + + // seek last length bytes of file for EOCDR + function doSeek(length, eocdrNotFoundCallback) { + reader.readUint8Array(reader.size - length, length, function(bytes) { + for (var i = bytes.length - EOCDR_MIN; i >= 0; i--) { + if (bytes[i] === 0x50 && bytes[i + 1] === 0x4b && bytes[i + 2] === 0x05 && bytes[i + 3] === 0x06) { + eocdrCallback(new DataView(bytes.buffer, i, EOCDR_MIN)); + return; + } + } + eocdrNotFoundCallback(); + }, function() { + onerror(ERR_READ); + }); + } + } + + var zipReader = { + getEntries : function(callback) { + var worker = this._worker; + // look for End of central directory record + seekEOCDR(function(dataView) { + var datalength, fileslength; + datalength = dataView.getUint32(16, true); + fileslength = dataView.getUint16(8, true); + if (datalength < 0 || datalength >= reader.size) { + onerror(ERR_BAD_FORMAT); + return; + } + reader.readUint8Array(datalength, reader.size - datalength, function(bytes) { + var i, index = 0, entries = [], entry, filename, comment, data = getDataHelper(bytes.length, bytes); + for (i = 0; i < fileslength; i++) { + entry = new Entry(); + entry._worker = worker; + if (data.view.getUint32(index) != 0x504b0102) { + onerror(ERR_BAD_FORMAT); + return; + } + readCommonHeader(entry, data, index + 6, true, onerror); + entry.commentLength = data.view.getUint16(index + 32, true); + entry.directory = ((data.view.getUint8(index + 38) & 0x10) == 0x10); + entry.offset = data.view.getUint32(index + 42, true); + filename = getString(data.array.subarray(index + 46, index + 46 + entry.filenameLength)); + entry.filename = ((entry.bitFlag & 0x0800) === 0x0800) ? decodeUTF8(filename) : decodeASCII(filename); + if (!entry.directory && entry.filename.charAt(entry.filename.length - 1) == "/") + entry.directory = true; + comment = getString(data.array.subarray(index + 46 + entry.filenameLength + entry.extraFieldLength, index + 46 + + entry.filenameLength + entry.extraFieldLength + entry.commentLength)); + entry.comment = ((entry.bitFlag & 0x0800) === 0x0800) ? decodeUTF8(comment) : decodeASCII(comment); + entries.push(entry); + index += 46 + entry.filenameLength + entry.extraFieldLength + entry.commentLength; + } + callback(entries); + }, function() { + onerror(ERR_READ); + }); + }); + }, + close : function(callback) { + if (this._worker) { + this._worker.terminate(); + this._worker = null; + } + if (callback) + callback(); + }, + _worker: null + }; + + if (!obj.zip.useWebWorkers) + callback(zipReader); + else { + createWorker('inflater', + function(worker) { + zipReader._worker = worker; + callback(zipReader); + }, + function(err) { + onerror(err); + } + ); + } + } + + // ZipWriter + + function encodeUTF8(string) { + return unescape(encodeURIComponent(string)); + } + + function getBytes(str) { + var i, array = []; + for (i = 0; i < str.length; i++) + array.push(str.charCodeAt(i)); + return array; + } + + function createZipWriter(writer, callback, onerror, dontDeflate) { + var files = {}, filenames = [], datalength = 0; + var deflateSN = 0; + + function onwriteerror(err) { + onerror(err || ERR_WRITE); + } + + function onreaderror(err) { + onerror(err || ERR_READ_DATA); + } + + var zipWriter = { + add : function(name, reader, onend, onprogress, options) { + var header, filename, date; + var worker = this._worker; + + function writeHeader(callback) { + var data; + date = options.lastModDate || new Date(); + header = getDataHelper(26); + files[name] = { + headerArray : header.array, + directory : options.directory, + filename : filename, + offset : datalength, + comment : getBytes(encodeUTF8(options.comment || "")) + }; + header.view.setUint32(0, 0x14000808); + if (options.version) + header.view.setUint8(0, options.version); + if (!dontDeflate && options.level !== 0 && !options.directory) + header.view.setUint16(4, 0x0800); + header.view.setUint16(6, (((date.getHours() << 6) | date.getMinutes()) << 5) | date.getSeconds() / 2, true); + header.view.setUint16(8, ((((date.getFullYear() - 1980) << 4) | (date.getMonth() + 1)) << 5) | date.getDate(), true); + header.view.setUint16(22, filename.length, true); + data = getDataHelper(30 + filename.length); + data.view.setUint32(0, 0x504b0304); + data.array.set(header.array, 4); + data.array.set(filename, 30); + datalength += data.array.length; + writer.writeUint8Array(data.array, callback, onwriteerror); + } + + function writeFooter(compressedLength, crc32) { + var footer = getDataHelper(16); + datalength += compressedLength || 0; + footer.view.setUint32(0, 0x504b0708); + if (typeof crc32 != "undefined") { + header.view.setUint32(10, crc32, true); + footer.view.setUint32(4, crc32, true); + } + if (reader) { + footer.view.setUint32(8, compressedLength, true); + header.view.setUint32(14, compressedLength, true); + footer.view.setUint32(12, reader.size, true); + header.view.setUint32(18, reader.size, true); + } + writer.writeUint8Array(footer.array, function() { + datalength += 16; + onend(); + }, onwriteerror); + } + + function writeFile() { + options = options || {}; + name = name.trim(); + if (options.directory && name.charAt(name.length - 1) != "/") + name += "/"; + if (files.hasOwnProperty(name)) { + onerror(ERR_DUPLICATED_NAME); + return; + } + filename = getBytes(encodeUTF8(name)); + filenames.push(name); + writeHeader(function() { + if (reader) + if (dontDeflate || options.level === 0) + copy(worker, deflateSN++, reader, writer, 0, reader.size, true, writeFooter, onprogress, onreaderror, onwriteerror); + else + deflate(worker, deflateSN++, reader, writer, options.level, writeFooter, onprogress, onreaderror, onwriteerror); + else + writeFooter(); + }, onwriteerror); + } + + if (reader) + reader.init(writeFile, onreaderror); + else + writeFile(); + }, + close : function(callback) { + if (this._worker) { + this._worker.terminate(); + this._worker = null; + } + + var data, length = 0, index = 0, indexFilename, file; + for (indexFilename = 0; indexFilename < filenames.length; indexFilename++) { + file = files[filenames[indexFilename]]; + length += 46 + file.filename.length + file.comment.length; + } + data = getDataHelper(length + 22); + for (indexFilename = 0; indexFilename < filenames.length; indexFilename++) { + file = files[filenames[indexFilename]]; + data.view.setUint32(index, 0x504b0102); + data.view.setUint16(index + 4, 0x1400); + data.array.set(file.headerArray, index + 6); + data.view.setUint16(index + 32, file.comment.length, true); + if (file.directory) + data.view.setUint8(index + 38, 0x10); + data.view.setUint32(index + 42, file.offset, true); + data.array.set(file.filename, index + 46); + data.array.set(file.comment, index + 46 + file.filename.length); + index += 46 + file.filename.length + file.comment.length; + } + data.view.setUint32(index, 0x504b0506); + data.view.setUint16(index + 8, filenames.length, true); + data.view.setUint16(index + 10, filenames.length, true); + data.view.setUint32(index + 12, length, true); + data.view.setUint32(index + 16, datalength, true); + writer.writeUint8Array(data.array, function() { + writer.getData(callback); + }, onwriteerror); + }, + _worker: null + }; + + if (!obj.zip.useWebWorkers) + callback(zipWriter); + else { + createWorker('deflater', + function(worker) { + zipWriter._worker = worker; + callback(zipWriter); + }, + function(err) { + onerror(err); + } + ); + } + } + + function resolveURLs(urls) { + var a = document.createElement('a'); + return urls.map(function(url) { + a.href = url; + return a.href; + }); + } + + var DEFAULT_WORKER_SCRIPTS = { + deflater: ['z-worker.js', 'deflate.js'], + inflater: ['z-worker.js', 'inflate.js'] + }; + function createWorker(type, callback, onerror) { + if (obj.zip.workerScripts !== null && obj.zip.workerScriptsPath !== null) { + onerror(new Error('Either zip.workerScripts or zip.workerScriptsPath may be set, not both.')); + return; + } + var scripts; + if (obj.zip.workerScripts) { + scripts = obj.zip.workerScripts[type]; + if (!Array.isArray(scripts)) { + onerror(new Error('zip.workerScripts.' + type + ' is not an array!')); + return; + } + scripts = resolveURLs(scripts); + } else { + scripts = DEFAULT_WORKER_SCRIPTS[type].slice(0); + scripts[0] = (obj.zip.workerScriptsPath || '') + scripts[0]; + } + var worker = new Worker(scripts[0]); + // record total consumed time by inflater/deflater/crc32 in this worker + worker.codecTime = worker.crcTime = 0; + worker.postMessage({ type: 'importScripts', scripts: scripts.slice(1) }); + worker.addEventListener('message', onmessage); + function onmessage(ev) { + var msg = ev.data; + if (msg.error) { + worker.terminate(); // should before onerror(), because onerror() may throw. + onerror(msg.error); + return; + } + if (msg.type === 'importScripts') { + worker.removeEventListener('message', onmessage); + worker.removeEventListener('error', errorHandler); + callback(worker); + } + } + // catch entry script loading error and other unhandled errors + worker.addEventListener('error', errorHandler); + function errorHandler(err) { + worker.terminate(); + onerror(err); + } + } + + function onerror_default(error) { + console.error(error); + } + obj.zip = { + Reader : Reader, + Writer : Writer, + BlobReader : BlobReader, + Data64URIReader : Data64URIReader, + TextReader : TextReader, + BlobWriter : BlobWriter, + Data64URIWriter : Data64URIWriter, + TextWriter : TextWriter, + createReader : function(reader, callback, onerror) { + onerror = onerror || onerror_default; + + reader.init(function() { + createZipReader(reader, callback, onerror); + }, onerror); + }, + createWriter : function(writer, callback, onerror, dontDeflate) { + onerror = onerror || onerror_default; + dontDeflate = !!dontDeflate; + + writer.init(function() { + createZipWriter(writer, callback, onerror, dontDeflate); + }, onerror); + }, + useWebWorkers : true, + /** + * Directory containing the default worker scripts (z-worker.js, deflate.js, and inflate.js), relative to current base url. + * E.g.: zip.workerScripts = './'; + */ + workerScriptsPath : null, + /** + * Advanced option to control which scripts are loaded in the Web worker. If this option is specified, then workerScriptsPath must not be set. + * workerScripts.deflater/workerScripts.inflater should be arrays of urls to scripts for deflater/inflater, respectively. + * Scripts in the array are executed in order, and the first one should be z-worker.js, which is used to start the worker. + * All urls are relative to current base url. + * E.g.: + * zip.workerScripts = { + * deflater: ['z-worker.js', 'deflate.js'], + * inflater: ['z-worker.js', 'inflate.js'] + * }; + */ + workerScripts : null, + }; + +})(this);