163 lines
3.2 KiB
Markdown
163 lines
3.2 KiB
Markdown
|
<!--
|
||
|
|
||
|
@license Apache-2.0
|
||
|
|
||
|
Copyright (c) 2018 The Stdlib Authors.
|
||
|
|
||
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
you may not use this file except in compliance with the License.
|
||
|
You may obtain a copy of the License at
|
||
|
|
||
|
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
||
|
Unless required by applicable law or agreed to in writing, software
|
||
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
See the License for the specific language governing permissions and
|
||
|
limitations under the License.
|
||
|
|
||
|
-->
|
||
|
|
||
|
# Buffer
|
||
|
|
||
|
> [Buffer][node-buffer] constructor.
|
||
|
|
||
|
<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
|
||
|
|
||
|
<section class="intro">
|
||
|
|
||
|
</section>
|
||
|
|
||
|
<!-- /.intro -->
|
||
|
|
||
|
<!-- Package usage documentation. -->
|
||
|
|
||
|
<section class="usage">
|
||
|
|
||
|
## Usage
|
||
|
|
||
|
```javascript
|
||
|
var Buffer = require( '@stdlib/buffer/ctor' );
|
||
|
```
|
||
|
|
||
|
#### Buffer( size )
|
||
|
|
||
|
Allocates a [`Buffer`][node-buffer] having a specified number of bytes.
|
||
|
|
||
|
<!-- eslint-disable stdlib/require-globals, no-buffer-constructor -->
|
||
|
|
||
|
```javascript
|
||
|
var b = new Buffer( 10 );
|
||
|
// returns <Buffer>
|
||
|
```
|
||
|
|
||
|
#### Buffer( array )
|
||
|
|
||
|
Allocates a [`Buffer`][node-buffer] from an array of octets.
|
||
|
|
||
|
<!-- eslint-disable stdlib/require-globals, no-buffer-constructor -->
|
||
|
|
||
|
```javascript
|
||
|
var b = new Buffer( [ 1, 2, 3, 4 ] );
|
||
|
// returns <Buffer>[ 1, 2, 3, 4 ]
|
||
|
```
|
||
|
|
||
|
#### Buffer( buffer )
|
||
|
|
||
|
Copies [buffer][node-buffer] data to a new [`Buffer`][node-buffer] instance.
|
||
|
|
||
|
<!-- eslint-disable stdlib/require-globals, no-buffer-constructor -->
|
||
|
|
||
|
```javascript
|
||
|
var b1 = new Buffer( [ 1, 2, 3, 4 ] );
|
||
|
var b2 = new Buffer( b1 );
|
||
|
// returns <Buffer>[ 1, 2, 3, 4 ]
|
||
|
```
|
||
|
|
||
|
#### Buffer( str\[, encoding] )
|
||
|
|
||
|
Returns a [`Buffer`][node-buffer] containing a provided `string`.
|
||
|
|
||
|
<!-- eslint-disable stdlib/require-globals, no-buffer-constructor -->
|
||
|
|
||
|
```javascript
|
||
|
var b = new Buffer( 'beep boop' );
|
||
|
// returns <Buffer>
|
||
|
```
|
||
|
|
||
|
* * *
|
||
|
|
||
|
### Properties
|
||
|
|
||
|
TODO: add properties
|
||
|
|
||
|
* * *
|
||
|
|
||
|
### Methods
|
||
|
|
||
|
TODO: add methods
|
||
|
|
||
|
</section>
|
||
|
|
||
|
<!-- /.usage -->
|
||
|
|
||
|
* * *
|
||
|
|
||
|
<!-- Package usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
|
||
|
|
||
|
<section class="notes">
|
||
|
|
||
|
</section>
|
||
|
|
||
|
<!-- /.notes -->
|
||
|
|
||
|
<!-- Package usage examples. -->
|
||
|
|
||
|
<section class="examples">
|
||
|
|
||
|
## Examples
|
||
|
|
||
|
<!-- eslint no-undef: "error" -->
|
||
|
|
||
|
```javascript
|
||
|
var ctor = require( '@stdlib/buffer/ctor' );
|
||
|
|
||
|
var b;
|
||
|
var i;
|
||
|
|
||
|
// Allocate uninitialized memory:
|
||
|
if ( typeof ctor.alloc === 'function' ) {
|
||
|
b = ctor.alloc( 10 );
|
||
|
} else {
|
||
|
b = new ctor( 10 );
|
||
|
}
|
||
|
|
||
|
// Zero fill the buffer...
|
||
|
for ( i = 0; i < b.length; i++ ) {
|
||
|
b[ i ] = 0;
|
||
|
}
|
||
|
console.log( b );
|
||
|
```
|
||
|
|
||
|
</section>
|
||
|
|
||
|
<!-- /.examples -->
|
||
|
|
||
|
<!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
|
||
|
|
||
|
<section class="references">
|
||
|
|
||
|
</section>
|
||
|
|
||
|
<!-- /.references -->
|
||
|
|
||
|
<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
|
||
|
|
||
|
<section class="links">
|
||
|
|
||
|
[node-buffer]: https://nodejs.org/api/buffer.html
|
||
|
|
||
|
</section>
|
||
|
|
||
|
<!-- /.links -->
|