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<?php
namespace SMW\MediaWiki;
use MagicWord;
use ParserOutput;
/**
* @license GNU GPL v2+
* @since 2.0
*
* @author mwjames
*/
class MagicWordsFinder {
/**
* @var ParserOutput
*/
private $parserOutput = null;
/**
* @since 2.0
*
* @param ParserOutput|null $parserOutput
*/
public function __construct( ParserOutput $parserOutput = null ) {
$this->parserOutput = $parserOutput;
}
/**
* @since 2.0
*
* @param ParserOutput $parserOutput
*
* @return self
*/
public function setOutput( ParserOutput $parserOutput ) {
$this->parserOutput = $parserOutput;
return $this;
}
/**
* Find the magic word and have it removed from the text
*
* @since 2.0
*
* @param $magicWord
* @param &$text
*
* @return string
*/
public function findMagicWordInText( $magicWord, &$text ) {
$mw = MagicWord::get( $magicWord );
if ( $mw->matchAndRemove( $text ) ) {
return $magicWord;
}
return '';
}
/**
* @since 2.0
*
* @param array $words
*/
public function pushMagicWordsToParserOutput( array $words ) {
$this->parserOutput->setTimestamp( wfTimestampNow() );
// Filter empty lines
$words = array_values( array_filter( $words ) );
if ( $this->hasExtensionData() && $words !== [] ) {
return $this->parserOutput->setExtensionData( 'smwmagicwords', $words );
}
return $this->parserOutput->mSMWMagicWords = $words;
}
/**
* @since 2.0
*
* @return array
*/
public function getMagicWords() {
if ( $this->hasExtensionData() ) {
return $this->parserOutput->getExtensionData( 'smwmagicwords' );
}
if ( isset( $this->parserOutput->mSMWMagicWords ) ) {
return $this->parserOutput->mSMWMagicWords;
}
return [];
}
/**
* FIXME Remove when MW 1.21 becomes mandatory
*/
protected function hasExtensionData() {
return method_exists( $this->parserOutput, 'getExtensionData' );
}
}
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