WithTokenParser.php

<?php


/*
 * This file is part of Twig.
 *
 * (c) Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Twig\TokenParser;

use Twig\Node\Node;
use Twig\Node\WithNode;
use Twig\Token;

/**
 * Creates a nested scope.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @internal
 */
final class WithTokenParser extends AbstractTokenParser {
    public function parse(Token $token) : Node {
        $stream = $this->parser
            ->getStream();
        $variables = null;
        $only = false;
        if (!$stream->test(Token::BLOCK_END_TYPE)) {
            $variables = $this->parser
                ->getExpressionParser()
                ->parseExpression();
            $only = (bool) $stream->nextIf(Token::NAME_TYPE, 'only');
        }
        $stream->expect(Token::BLOCK_END_TYPE);
        $body = $this->parser
            ->subparse([
            $this,
            'decideWithEnd',
        ], true);
        $stream->expect(Token::BLOCK_END_TYPE);
        return new WithNode($body, $variables, $only, $token->getLine());
    }
    public function decideWithEnd(Token $token) : bool {
        return $token->test('endwith');
    }
    public function getTag() : string {
        return 'with';
    }

}