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PrismHighlight/PrismHighlight.base.php

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<?php
if ( ! defined( 'MEDIAWIKI' ) )
die();
/**#@+
* A code highlighter using the prismjs.com code highlighter
* (c) 2013 Andrew Senetar <arsenetar@gmail.com>
*
* @file
* @link http://
* @ingroup Extensions
* @author Andrew Senetar <arsenetar@gmail.com>
* @copyright (c) 2013 by Andrew Senetar
* @license http://opensource.org/licenses/MIT MIT License
*/
/**
* Implements the Prismjs code highlighting extension
*
* @author Andrew Senetar
*/
class PrismHighlight {
public static function parserHook($text, $args = array(), $parser) {
$code_classes = '';
$pre_args ='';
if(!isset($args['lang']) && !isset($args['language']))
$args['lang'] = 'markup';
foreach( $args as $key => $value ){
switch ($key) {
case 'lang':
case 'language':
$code_classes .= " language-$value";
break;
case 'class':
$code_classes .= " $value";
break;
case 'line-numbers':
$pre_args .= " class=$key";
break;
case 'data-start':
$pre_args .= " data-line-offset=$value"; //should make sure this is set
default;
$pre_args .= " $key=$value";
}
}
# Replace all '&', '<,' and '>' with their HTML entitites. Order is
# important. You have to do '&' first.
# not sure if this helps us
$text = str_replace('&', '&amp;', $text);
$text = str_replace('<', '&lt;', $text);
$text = str_replace('>', '&gt;', $text);
$text = trim($text); // trim any begining / end whitespace as it is ugly
return"<pre $pre_args><code class=\"$code_classes\">$text</code></pre>";
}
// load modules
public static function beforePageDisplay(&$wgOut, &$sk) {
$wgOut->addModules('ext.PrismHighlight');
$wgOut->addModules('ext.PrismHighlight.core');
// Continue
return true;
}
}