includes/parser/CoreTagHooks.php

   1 <?php
   2 /**
   3  * Tag hooks provided by MediaWiki core
   4  *
   5  * @file
   6  */
   7
   8 /**
   9  * Various tag hooks, registered in Parser::firstCallInit()
  10  * @ingroup Parser
  11  */
  12 class CoreTagHooks {
  13         /**
  14          * @static
  15          * @param $parser Parser
  16          * @return void
  17          */
  18         static function register( $parser ) {
  19                 global $wgRawHtml, $wgUseTeX;
  20                 $parser->setHook( 'pre', array( __CLASS__, 'pre' ) );
  21                 $parser->setHook( 'nowiki', array( __CLASS__, 'nowiki' ) );
  22                 $parser->setHook( 'gallery', array( __CLASS__, 'gallery' ) );
  23                 if ( $wgRawHtml ) {
  24                         $parser->setHook( 'html', array( __CLASS__, 'html' ) );
  25                 }
  26                 if ( $wgUseTeX ) {
  27                         $parser->setHook( 'math', array( __CLASS__, 'math' ) );
  28                 }
  29         }
  30
  31         static function pre( $text, $attribs, $parser ) {
  32                 // Backwards-compatibility hack
  33                 $content = StringUtils::delimiterReplace( '<nowiki>', '</nowiki>', '$1', $text, 'i' );
  34
  35                 $attribs = Sanitizer::validateTagAttributes( $attribs, 'pre' );
  36                 return Xml::openElement( 'pre', $attribs ) .
  37                         Xml::escapeTagsOnly( $content ) .
  38                         '</pre>';
  39         }
  40
  41         static function html( $content, $attributes, $parser ) {
  42                 global $wgRawHtml;
  43                 if( $wgRawHtml ) {
  44                         return array( $content, 'markerType' => 'nowiki' );
  45                 } else {
  46                         throw new MWException( '<html> extension tag encountered unexpectedly' );
  47                 }
  48         }
  49
  50         static function nowiki( $content, $attributes, $parser ) {
  51                 $content = strtr( $content, array( '-{' => '-&#123;', '}-' => '&#125;-' ) );
  52                 return array( Xml::escapeTagsOnly( $content ), 'markerType' => 'nowiki' );
  53         }
  54
  55         /**
  56          * @static
  57          * @param  $content
  58          * @param  $attributes
  59          * @param $parser Parser
  60          * @return
  61          */
  62         static function math( $content, $attributes, $parser ) {
  63                 global $wgContLang;
  64                 return $wgContLang->armourMath( MathRenderer::renderMath( $content, $attributes, $parser->getOptions() ) );
  65         }
  66
  67         /**
  68          * @static
  69          * @param  $content
  70          * @param  $attributes
  71          * @param $parser Parser
  72          * @return
  73          */
  74         static function gallery( $content, $attributes, $parser ) {
  75                 return $parser->renderImageGallery( $content, $attributes );
  76         }
  77 }