wikimedia/mediawiki-extensions-Wikibase

<?php

declare( strict_types = 1 );

namespace Wikibase\Client\ParserOutput;

use LogicException;
use MediaWiki\Parser\ParserOutput;

/**
 * @author Arthur Taylor
 * @license GPL-2.0-or-later
 */
class ScopedParserOutputProvider implements ParserOutputProvider {

    private ParserOutput $parserOutput;
    private bool $scopeClosed = false;

    public function __construct( ParserOutput $parserOutput ) {
        $this->parserOutput = $parserOutput;
    }

    public function getParserOutput(): ParserOutput {
        if ( $this->scopeClosed ) {
            // the ParserOutputProvider has been closed.
            throw new LogicException( "Tried to access parser output beyond expected scope" );
        }
        return $this->parserOutput;
    }

    public function close(): void {
        $this->scopeClosed = true;
    }

}