ParserFactory.php

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<?php
use MediaWiki\Config\ServiceOptions;
use MediaWiki\Linker\LinkRendererFactory;
use MediaWiki\MediaWikiServices;
use MediaWiki\Special\SpecialPageFactory;

class ParserFactory {
    private $svcOptions;

    private $magicWordFactory;

    private $contLang;

    private $urlProtocols;

    private $specialPageFactory;

    private $linkRendererFactory;

    private $nsInfo;

    public function __construct(
        $svcOptions, MagicWordFactory $magicWordFactory, Language $contLang,
        $urlProtocols, SpecialPageFactory $spFactory, $linkRendererFactory,
        $nsInfo = null
    ) {
        // @todo Do we need to retain compat for constructing this class directly?
        if ( !$nsInfo ) {
            wfDeprecated( __METHOD__ . ' with no NamespaceInfo argument', '1.34' );
            $nsInfo = MediaWikiServices::getInstance()->getNamespaceInfo();
        }
        if ( $linkRendererFactory instanceof Config ) {
            // Old calling convention had an array in the format of $wgParserConf as the first
            // parameter, and a Config as the sixth, with LinkRendererFactory as the seventh.
            wfDeprecated( __METHOD__ . ' with Config parameter', '1.34' );
            $svcOptions = new ServiceOptions( Parser::$constructorOptions,
                $svcOptions,
                [ 'class' => Parser::class,
                    'preprocessorClass' => Parser::getDefaultPreprocessorClass() ],
                func_get_arg( 5 )
            );
            $linkRendererFactory = func_get_arg( 6 );
            $nsInfo = func_num_args() > 7 ? func_get_arg( 7 ) : null;
        }
        $svcOptions->assertRequiredOptions( Parser::$constructorOptions );

        wfDebug( __CLASS__ . ": using preprocessor: {$svcOptions->get( 'preprocessorClass' )}\n" );

        $this->svcOptions = $svcOptions;
        $this->magicWordFactory = $magicWordFactory;
        $this->contLang = $contLang;
        $this->urlProtocols = $urlProtocols;
        $this->specialPageFactory = $spFactory;
        $this->linkRendererFactory = $linkRendererFactory;
        $this->nsInfo = $nsInfo;
    }

    public function create() : Parser {
        return new Parser( $this->svcOptions, $this->magicWordFactory, $this->contLang, $this,
            $this->urlProtocols, $this->specialPageFactory, $this->linkRendererFactory,
            $this->nsInfo );
    }
}