IncludeTokenParser.php

<?php


/*
 * This file is part of Twig.
 *
 * (c) Fabien Potencier
 * (c) Armin Ronacher
 *
 * 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\IncludeNode;
use Twig\Node\Node;
use Twig\Token;

/**
 * Includes a template.
 *
 *   {% include 'header.html' %}
 *     Body
 *   {% include 'footer.html' %}
 *
 * @internal
 */
class IncludeTokenParser extends AbstractTokenParser {
    public function parse(Token $token) : Node {
        $expr = $this->parser
            ->getExpressionParser()
            ->parseExpression();
        [
            $variables,
            $only,
            $ignoreMissing,
        ] = $this->parseArguments();
        return new IncludeNode($expr, $variables, $only, $ignoreMissing, $token->getLine());
    }
    protected function parseArguments() {
        $stream = $this->parser
            ->getStream();
        $ignoreMissing = false;
        if ($stream->nextIf(Token::NAME_TYPE, 'ignore')) {
            $stream->expect(Token::NAME_TYPE, 'missing');
            $ignoreMissing = true;
        }
        $variables = null;
        if ($stream->nextIf(Token::NAME_TYPE, 'with')) {
            $variables = $this->parser
                ->getExpressionParser()
                ->parseExpression();
        }
        $only = false;
        if ($stream->nextIf(Token::NAME_TYPE, 'only')) {
            $only = true;
        }
        $stream->expect(Token::BLOCK_END_TYPE);
        return [
            $variables,
            $only,
            $ignoreMissing,
        ];
    }
    public function getTag() : string {
        return 'include';
    }

}