ParserOutputSearchDataExtractor.php

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<?php
 
namespace MediaWiki\Search;
 
use Category;
use ParserOutput;
use Title;
 
class ParserOutputSearchDataExtractor {
 
    public function getCategories( ParserOutput $parserOutput ) {
        $categories = [];
 
        foreach ( $parserOutput->getCategoryLinks() as $key ) {
            $categories[] = Category::newFromName( $key )->getTitle()->getText();
        }
 
        return $categories;
    }
 
    public function getExternalLinks( ParserOutput $parserOutput ) {
        return array_keys( $parserOutput->getExternalLinks() );
    }
 
    public function getOutgoingLinks( ParserOutput $parserOutput ) {
        $outgoingLinks = [];
 
        foreach ( $parserOutput->getLinks() as $linkedNamespace => $namespaceLinks ) {
            foreach ( array_keys( $namespaceLinks ) as $linkedDbKey ) {
                $outgoingLinks[] =
                    Title::makeTitle( $linkedNamespace, $linkedDbKey )->getPrefixedDBkey();
            }
        }
 
        return $outgoingLinks;
    }
 
    public function getTemplates( ParserOutput $parserOutput ) {
        $templates = [];
 
        foreach ( $parserOutput->getTemplates() as $tNS => $templatesInNS ) {
            foreach ( array_keys( $templatesInNS ) as $tDbKey ) {
                $templateTitle = Title::makeTitle( $tNS, $tDbKey );
                $templates[] = $templateTitle->getPrefixedText();
            }
        }
 
        return $templates;
    }
 
}