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<?php
namespace SMW\MediaWiki\Hooks;
use Parser;
use SMW\ApplicationFactory;
use SMW\Parser\InTextAnnotationParser;
use StripState;
/**
* Hook: InternalParseBeforeLinks is used to process the expanded wiki
* code after <nowiki>, HTML-comments, and templates have been treated.
*
* This method will be called before an article is displayed or previewed.
* For display and preview we strip out the semantic properties and append them
* at the end of the article.
*
* @note MW 1.20+ see InternalParseBeforeSanitize
*
* @see http://www.mediawiki.org/wiki/Manual:Hooks/InternalParseBeforeLinks
*
* @ingroup FunctionHook
*
* @license GNU GPL v2+
* @since 1.9
*
* @author mwjames
*/
class InternalParseBeforeLinks extends HookHandler {
/**
* @var Parser
*/
private $parser;
/**
* @var StripState
*/
private $stripState;
/**
* @since 1.9
*
* @param Parser $parser
* @param StripState $stripState
*/
public function __construct( Parser &$parser, $stripState ) {
$this->parser = $parser;
$this->stripState = $stripState;
}
/**
* @since 1.9
*
* @param string $text
*
* @return true
*/
public function process( &$text ) {
if ( !$this->canPerformUpdate( $text, $this->parser->getTitle() ) ) {
return true;
}
return $this->performUpdate( $text );
}
private function canPerformUpdate( $text, $title ) {
if ( $this->getRedirectTarget() !== null ) {
return true;
}
// #2209, #2370 Allow content to be parsed that contain [[SMW::off]]/[[SMW::on]]
// even in case of MediaWiki messages
if ( InTextAnnotationParser::hasMarker( $text ) ) {
return true;
}
// ParserOptions::getInterfaceMessage is being used to identify whether a
// parse was initiated by `Message::parse`
if ( $text === '' || $this->parser->getOptions()->getInterfaceMessage() ) {
return false;
}
if ( !$title->isSpecialPage() ) {
return true;
}
// #2529
foreach ( $this->getOption( 'smwgEnabledSpecialPage', [] ) as $specialPage ) {
if ( is_string( $specialPage ) && $title->isSpecial( $specialPage ) ) {
return true;
}
}
return false;
}
private function performUpdate( &$text ) {
$applicationFactory = ApplicationFactory::getInstance();
/**
* @var ParserData $parserData
*/
$parserData = $applicationFactory->newParserData(
$this->parser->getTitle(),
$this->parser->getOutput()
);
/**
* Performs [[link::syntax]] parsing and adding of property annotations
* to the ParserOutput
*
* @var InTextAnnotationParser
*/
$inTextAnnotationParser = $applicationFactory->newInTextAnnotationParser(
$parserData
);
$stripMarkerDecoder = $applicationFactory->newMwCollaboratorFactory()->newStripMarkerDecoder(
$this->stripState
);
$inTextAnnotationParser->setStripMarkerDecoder(
$stripMarkerDecoder
);
$inTextAnnotationParser->setRedirectTarget(
$this->getRedirectTarget()
);
$inTextAnnotationParser->parse( $text );
$parserData->markParserOutput();
return true;
}
/**
* #656 / MW 1.24+
*/
private function getRedirectTarget() {
if ( method_exists( $this->parser->getOptions(), 'getRedirectTarget' ) ) {
return $this->parser->getOptions()->getRedirectTarget();
}
return null;
}
}
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