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Fast C/C++ HTML 5 Parser. Using threads.

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# MyHTML — a pure C HTML parser

[![Build Status](https://travis-ci.org/lexborisov/myhtml.svg?branch=master)](https://travis-ci.org/lexborisov/myhtml)

MyHTML is a fast HTML Parser using Threads implemented as a pure C99 library with no outside dependencies.

## Now

### Important announcement!

Please use the HTML parser from the [Lexbor project](https://github.com/lexbor/lexbor). It is stable, has more features, and — yes — it's very fast.

## Features

- Asynchronous Parsing, Build Tree and Indexation
- Fully conformant with the [HTML5 specification]
- Two API - [high] and [low]-level
- Manipulation of elements: add, change, delete and other
- Manipulation of elements attributes: add, change, delete and other
- Support 39 character encoding by specification [encoding.spec.whatwg.org]
- Support detecting character encodings
- Support Single Mode parsing
- Support Build without POSIX Threads
- Support for fragment parsing
- Support for [parsing by chunks]
- No outside dependencies
- C99 support
- Passes all tree construction tests from [html5lib-tests]
- Tested by 1 billion HTML pages (by [commoncrawl.org])

## Changes
Please, see [CHANGELOG.md] file

## Further developments

- [Modest] — Modest is a fast HTML Render implemented as a pure C99 library with no outside dependencies
- [MyCSS] — Fast C/C++ CSS Parser (Cascading Style Sheets Parser)

## Support encodings for InputStream

```text
X_USER_DEFINED, UTF_8, UTF_16LE, UTF_16BE, BIG5, EUC_KR, GB18030,
IBM866, ISO_8859_10, ISO_8859_13, ISO_8859_14, ISO_8859_15, ISO_8859_16, ISO_8859_2, ISO_8859_3,
ISO_8859_4, ISO_8859_5, ISO_8859_6, ISO_8859_7, ISO_8859_8, KOI8_R, KOI8_U, MACINTOSH,
WINDOWS_1250, WINDOWS_1251, WINDOWS_1252, WINDOWS_1253, WINDOWS_1254, WINDOWS_1255, WINDOWS_1256,
WINDOWS_1257, WINDOWS_1258, WINDOWS_874, X_MAC_CYRILLIC, ISO_2022_JP, GBK, SHIFT_JIS, EUC_JP, ISO_8859_8_I
```

## Support encodings for output

**Program working in UTF-8 and returns all in UTF-8**

## Detecting character encodings

Now it UTF-8, UTF-16LE, UTF16BE and russian windows-1251,  koi8-r, iso-8859-5, x-mac-cyrillic, ibm866

## Installation

See [INSTALL.md](https://github.com/lexborisov/myhtml/blob/master/INSTALL.md)

## Introduction

[Introduction]

## Benchmark

- [Article with charts]
- [Benchmark code]
- [Images and CSV]

## Dependencies

None

## External Bindings and Wrappers

- Perl 5 [HTML::MyHTML] module
- Perl 5 [HTML5::DOM] module (DOM with CSS selectors)
- [Perl 6] module
- [Crystal] binding
- [Elixir/Erlang] binding
- [Swift wrapper](https://github.com/adtrevor/MyHTML)

## Examples

See [examples] directory

**Simple example**

```c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <myhtml/api.h>

int main(int argc, const char * argv[])
{
    char html[] = "<div><span>HTML</span></div>";
    
    // basic init
    myhtml_t* myhtml = myhtml_create();
    myhtml_init(myhtml, MyHTML_OPTIONS_DEFAULT, 1, 0);
    
    // first tree init
    myhtml_tree_t* tree = myhtml_tree_create();
    myhtml_tree_init(tree, myhtml);
    
    // parse html
    myhtml_parse(tree, MyENCODING_UTF_8, html, strlen(html));
    
    // print result
    // or see serialization function with callback: myhtml_serialization_tree_callback
    mycore_string_raw_t str = {0};
    myhtml_serialization_tree_buffer(myhtml_tree_get_document(tree), &str);
    printf("%s\n", str.data);
    
    // release resources
    mycore_string_raw_destroy(&str, false);
    myhtml_tree_destroy(tree);
    myhtml_destroy(myhtml);
    
    return 0;
}
```

## AUTHOR

Alexander Borisov <lex.borisov@gmail.com>

## COPYRIGHT AND LICENSE

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA

See the [LICENSE] file.

[HTML5 specification]: https://html.spec.whatwg.org/multipage/
[Modest]: https://github.com/lexborisov/Modest
[high]: https://github.com/lexborisov/myhtml/blob/master/include/myhtml/api.h
[low]: https://github.com/lexborisov/myhtml/tree/master/include/myhtml
[examples]: https://github.com/lexborisov/myhtml/tree/master/examples
[parsing by chunks]: https://github.com/lexborisov/myhtml/blob/master/examples/myhtml/chunks_high_level.c
[encoding.spec.whatwg.org]: https://encoding.spec.whatwg.org/
[html5lib-tests]: https://github.com/html5lib/html5lib-tests
[commoncrawl.org]: http://commoncrawl.org/
[MyCSS]: https://github.com/lexborisov/mycss
[CHANGELOG.md]: https://github.com/lexborisov/myhtml/blob/master/CHANGELOG.md
[HTML::MyHTML]: https://metacpan.org/release/HTML-MyHTML
[HTML5::DOM]: https://github.com/Azq2/perl-html5-dom
[Perl 6]: https://github.com/MadcapJake/p6-MyHTML
[Crystal]: https://github.com/kostya/myhtml
[Elixir/Erlang]: https://github.com/Overbryd/myhtmlex
[Introduction]: http://lexborisov.github.io/myhtml/
[Article with charts]: http://lexborisov.github.io/benchmark-html-persers/
[Benchmark code]: https://github.com/lexborisov/benchmark-html-persers/tree/master
[Images and CSV]: https://github.com/lexborisov/benchmark-html-persers/tree/master/Results
[LICENSE]: https://github.com/lexborisov/myhtml/blob/master/LICENSE

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