WikitextContentHandler.php

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<?php
class WikitextContentHandler extends TextContentHandler {
 
    public function __construct( $modelId = CONTENT_MODEL_WIKITEXT ) {
        parent::__construct( $modelId, [ CONTENT_FORMAT_WIKITEXT ] );
    }
 
    protected function getContentClass() {
        return WikitextContent::class;
    }
 
    public function makeRedirectContent( Title $destination, $text = '' ) {
        $optionalColon = '';
 
        if ( $destination->getNamespace() == NS_CATEGORY ) {
            $optionalColon = ':';
        } else {
            $iw = $destination->getInterwiki();
            if ( $iw && Language::fetchLanguageName( $iw, null, 'mw' ) ) {
                $optionalColon = ':';
            }
        }
 
        $mwRedir = MagicWord::get( 'redirect' );
        $redirectText = $mwRedir->getSynonym( 0 ) .
            ' [[' . $optionalColon . $destination->getFullText() . ']]';
 
        if ( $text != '' ) {
            $redirectText .= "\n" . $text;
        }
 
        $class = $this->getContentClass();
        return new $class( $redirectText );
    }
 
    public function supportsRedirects() {
        return true;
    }
 
    public function supportsSections() {
        return true;
    }
 
    public function isParserCacheSupported() {
        return true;
    }
 
    protected function getFileHandler() {
        return new FileContentHandler();
    }
 
    public function getFieldsForSearchIndex( SearchEngine $engine ) {
        $fields = parent::getFieldsForSearchIndex( $engine );
 
        $fields['heading'] =
            $engine->makeSearchFieldMapping( 'heading', SearchIndexField::INDEX_TYPE_TEXT );
        $fields['heading']->setFlag( SearchIndexField::FLAG_SCORING );
 
        $fields['auxiliary_text'] =
            $engine->makeSearchFieldMapping( 'auxiliary_text', SearchIndexField::INDEX_TYPE_TEXT );
 
        $fields['opening_text'] =
            $engine->makeSearchFieldMapping( 'opening_text', SearchIndexField::INDEX_TYPE_TEXT );
        $fields['opening_text']->setFlag( SearchIndexField::FLAG_SCORING |
                                          SearchIndexField::FLAG_NO_HIGHLIGHT );
        // Until we have full first-class content handler for files, we invoke it explicitly here
        $fields = array_merge( $fields, $this->getFileHandler()->getFieldsForSearchIndex( $engine ) );
 
        return $fields;
    }
 
    public function getDataForSearchIndex( WikiPage $page, ParserOutput $parserOutput,
                                           SearchEngine $engine ) {
        $fields = parent::getDataForSearchIndex( $page, $parserOutput, $engine );
 
        $structure = new WikiTextStructure( $parserOutput );
        $fields['heading'] = $structure->headings();
        // text fields
        $fields['opening_text'] = $structure->getOpeningText();
        $fields['text'] = $structure->getMainText(); // overwrites one from ContentHandler
        $fields['auxiliary_text'] = $structure->getAuxiliaryText();
        $fields['defaultsort'] = $structure->getDefaultSort();
 
        // Until we have full first-class content handler for files, we invoke it explicitly here
        if ( NS_FILE == $page->getTitle()->getNamespace() ) {
            $fields = array_merge( $fields,
                    $this->getFileHandler()->getDataForSearchIndex( $page, $parserOutput, $engine ) );
        }
        return $fields;
    }
 
}