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         static function register( $parser ) {
  14                 global $wgRawHtml, $wgUseTeX;
  15                 $parser->setHook( 'pre', array( __CLASS__, 'pre' ) );
  16                 $parser->setHook( 'nowiki', array( __CLASS__, 'nowiki' ) );
  17                 $parser->setHook( 'gallery', array( __CLASS__, 'gallery' ) );
  18                 if ( $wgRawHtml ) {
  19                         $parser->setHook( 'html', array( __CLASS__, 'html' ) );
  20                 }
  21                 if ( $wgUseTeX ) {
  22                         $parser->setHook( 'math', array( __CLASS__, 'math' ) );
  23                 }
  24         }
  25
  26         static function pre( $text, $attribs, $parser ) {
  27                 // Backwards-compatibility hack
  28                 $content = StringUtils::delimiterReplace( '<nowiki>', '</nowiki>', '$1', $text, 'i' );
  29
  30                 $attribs = Sanitizer::validateTagAttributes( $attribs, 'pre' );
  31                 return Xml::openElement( 'pre', $attribs ) .
  32                         Xml::escapeTagsOnly( $content ) .
  33                         '</pre>';
  34         }
  35
  36         static function html( $content, $attributes, $parser ) {
  37                 global $wgRawHtml;
  38                 if( $wgRawHtml ) {
  39                         return array( $content, 'markerType' => 'nowiki' );
  40                 } else {
  41                         throw new MWException( '<html> extension tag encountered unexpectedly' );
  42                 }
  43         }
  44
  45         static function nowiki( $content, $attributes, $parser ) {
  46                 $content = strtr( $content, array( '-{' => '-&#123;', '}-' => '&#125;-' ) );
  47                 return array( Xml::escapeTagsOnly( $content ), 'markerType' => 'nowiki' );
  48         }
  49
  50         static function math( $content, $attributes, $parser ) {
  51                 global $wgContLang;
  52                 return $wgContLang->armourMath( MathRenderer::renderMath( $content, $attributes, $parser->getOptions() ) );
  53         }
  54
  55         static function gallery( $content, $attributes, $parser ) {
  56                 return $parser->renderImageGallery( $content, $attributes );
  57         }
  58 }