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<?php
/**
* Tag hooks provided by MediaWiki core
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Parser
*/
/**
* Various tag hooks, registered in Parser::firstCallInit()
* @ingroup Parser
*/
class CoreTagHooks {
/**
* @param $parser Parser
* @return void
*/
static function register( $parser ) {
global $wgRawHtml;
$parser->setHook( 'pre', array( __CLASS__, 'pre' ) );
$parser->setHook( 'nowiki', array( __CLASS__, 'nowiki' ) );
$parser->setHook( 'gallery', array( __CLASS__, 'gallery' ) );
if ( $wgRawHtml ) {
$parser->setHook( 'html', array( __CLASS__, 'html' ) );
}
}
/**
* Core parser tag hook function for 'pre'.
* Text is treated roughly as 'nowiki' wrapped in an HTML 'pre' tag;
* valid HTML attributes are passed on.
*
* @param string $text
* @param array $attribs
* @param Parser $parser
* @return string HTML
*/
static function pre( $text, $attribs, $parser ) {
// Backwards-compatibility hack
$content = StringUtils::delimiterReplace( '<nowiki>', '</nowiki>', '$1', $text, 'i' );
$attribs = Sanitizer::validateTagAttributes( $attribs, 'pre' );
return Xml::openElement( 'pre', $attribs ) .
Xml::escapeTagsOnly( $content ) .
'</pre>';
}
/**
* Core parser tag hook function for 'html', used only when
* $wgRawHtml is enabled.
*
* This is potentially unsafe and should be used only in very careful
* circumstances, as the contents are emitted as raw HTML.
*
* Uses undocumented extended tag hook return values, introduced in r61913.
*
* @param $content string
* @param $attributes array
* @param $parser Parser
* @throws MWException
* @return array
*/
static function html( $content, $attributes, $parser ) {
global $wgRawHtml;
if ( $wgRawHtml ) {
return array( $content, 'markerType' => 'nowiki' );
} else {
throw new MWException( '<html> extension tag encountered unexpectedly' );
}
}
/**
* Core parser tag hook function for 'nowiki'. Text within this section
* gets interpreted as a string of text with HTML-compatible character
* references, and wiki markup within it will not be expanded.
*
* Uses undocumented extended tag hook return values, introduced in r61913.
*
* @param $content string
* @param $attributes array
* @param $parser Parser
* @return array
*/
static function nowiki( $content, $attributes, $parser ) {
$content = strtr( $content, array( '-{' => '-{', '}-' => '}-' ) );
return array( Xml::escapeTagsOnly( $content ), 'markerType' => 'nowiki' );
}
/**
* Core parser tag hook function for 'gallery'.
*
* Renders a thumbnail list of the given images, with optional captions.
* Full syntax documented on the wiki:
*
* http://www.mediawiki.org/wiki/Help:Images#Gallery_syntax
*
* @todo break Parser::renderImageGallery out here too.
*
* @param string $content
* @param array $attributes
* @param Parser $parser
* @return string HTML
*/
static function gallery( $content, $attributes, $parser ) {
return $parser->renderImageGallery( $content, $attributes );
}
}
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