parent
c8ff246cc2
commit
978c7ca1cc
@ -1,6 +0,0 @@
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void str_init(char* str, int n)
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{
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for (int i = 0; i < n; i++)
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str[i] = ' ';
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str[n] = '\0';
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} // could also use <https://manpages.ubuntu.com/manpages/impish/man3/strinit.3pub.html>
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@ -1 +0,0 @@
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void str_init(char* str, int n);
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@ -1,65 +0,0 @@
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#include <stdbool.h>
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#include <stdio.h>
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#include <string.h>
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#define DEBUG false
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/*
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See also:
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* <https://web.archive.org/web/20160201212501/coding.debuntu.org/c-implementing-str_replace-replace-all-occurrences-substring>
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* https://github.com/irl/la-cucina/blob/master/str_replace.c
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*/
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int str_replace_start(const char* string, const char* target, const char* replacement, char* output)
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{
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int l1 = strlen(string);
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int l2 = strlen(target);
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int l3 = strlen(replacement);
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int l4 = strlen(output);
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if (DEBUG)
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printf("%d,%d,%d,%d\n", l1, l2, l3, l4);
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// if(DEBUG) printf("%s,%s,%s,%s\n", string, target, replacement, output);
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if ((l4 < (l1 - l2 + l3)) || l4 < l1) {
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// Not enough memory in output string.
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if (DEBUG)
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printf("String not long enough.\n");
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return 1;
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}
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/* else if(l1 < l2){
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// Not even possible that there is a match.
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if(DEBUG) printf("Target larger than string.\n");
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strcpy(output, string);
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} */
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else {
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if (DEBUG)
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printf("Looking for a match for %s in %s.\n", target, string);
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int match = true;
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for (int i = 0; i < l2; i++) {
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if (string[i] != target[i]) {
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match = false;
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break;
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}
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}
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if (match) {
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if (DEBUG)
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printf("Found match.\n");
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for (int i = 0; i < l3; i++) {
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output[i] = replacement[i];
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}
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int counter = l3;
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for (int i = l2; i < l1; i++) {
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output[counter] = string[i];
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counter++;
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}
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output[counter] = '\0';
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return 2; // success
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} else {
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if (DEBUG)
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printf("Did not find match.\n");
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strcpy(output, string);
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}
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}
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return 0;
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}
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@ -1,4 +0,0 @@
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#pragma once
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int str_replace_start(const char* string, const char* target,
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const char* replacement, char* output);
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@ -1,14 +1,17 @@
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## Shared
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COMMON_CODE=./plugins/strings/strings.c
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## Plugins
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CUSTOM_STYLES=./plugins/style/style.c
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SHORTCUTS=./plugins/shortcuts/shortcuts.c
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READABILITY=./plugins/readability/readability.c
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LIBRE_REDIRECT=./plugins/libre_redirect/libre_redirect.c ./plugins/libre_redirect/str_replace_start.c ./plugins/libre_redirect/str_init.c
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LIBRE_REDIRECT=./plugins/libre_redirect/libre_redirect.c
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ADBLOCK='-L/usr/lib/wyebrowser/adblock.so' # optional adblocking; depends on https://github.com/jun7/wyebadblock
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STAND_IN=./plugins/stand_in/stand_in.c # gives function definitions for the above, which do nothing
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PLUGINS=$(CUSTOM_STYLES) $(SHORTCUTS) $(READABILITY) $(LIBRE_REDIRECT)
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PLUGINS=$(COMMON_CODE) $(CUSTOM_STYLES) $(SHORTCUTS) $(READABILITY) $(LIBRE_REDIRECT)
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# PLUGINS=$(STAND_IN)
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#include <stdbool.h>
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#include <stdio.h>
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#include <string.h>
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#define DEBUG false
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// String manipulation
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void str_init(char* str, int n)
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{
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// could also use <https://manpages.ubuntu.com/manpages/impish/man3/strinit.3pub.html>
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for (int i = 0; i < n; i++)
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str[i] = ' ';
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str[n] = '\0';
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}
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int str_replace_start(const char* string, const char* target, const char* replacement, char* output)
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{
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int l1 = strlen(string);
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int l2 = strlen(target);
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int l3 = strlen(replacement);
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int l4 = strlen(output);
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if (DEBUG) {
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printf("string: %s, target: %s, replacement: %s, output: %s\n", string, target, replacement, output);
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printf("%d,%d,%d,%d\n", l1, l2, l3, l4);
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}
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if ((l4 < (l1 - l2 + l3)) || l4 < l1) {
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printf("Not enough memory in output string.\n");
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return 1;
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}
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int match = true;
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for (int i = 0; i < l2; i++) {
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if (string[i] != target[i]) {
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match = false;
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break;
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}
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}
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if (match) {
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if (DEBUG) printf("Found match.\n");
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for (int i = 0; i < l3; i++) {
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output[i] = replacement[i];
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}
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int counter = l3;
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for (int i = l2; i < l1; i++) {
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output[counter] = string[i];
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counter++;
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}
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output[counter] = '\0';
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return 2; // success
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} else {
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if (DEBUG) printf("Did not find match.\n");
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strcpy(output, string);
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}
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return 0;
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}
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/*
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See also:
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* <https://web.archive.org/web/20160201212501/coding.debuntu.org/c-implementing-str_replace-replace-all-occurrences-substring>
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* https://github.com/irl/la-cucina/blob/master/str_replace.c
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*/
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void str_init(char* str, int n);
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int str_replace_start(const char* string, const char* target, const char* replacement, char* output);
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