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<?php
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/*
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 * This file is part of Twig.
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 *
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 * (c) 2012 Fabien Potencier
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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/**
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 * Embeds a template.
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 */
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class Twig_TokenParser_Embed extends Twig_TokenParser_Include
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{
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    /**
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     * Parses a token and returns a node.
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     *
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     * @param Twig_Token $token A Twig_Token instance
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     *
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     * @return Twig_NodeInterface A Twig_NodeInterface instance
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     */
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    public function parse(Twig_Token $token)
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    {
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        $stream = $this->parser->getStream();
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        $parent = $this->parser->getExpressionParser()->parseExpression();
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        list($variables, $only, $ignoreMissing) = $this->parseArguments();
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        // inject a fake parent to make the parent() function work
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        $stream->injectTokens(array(
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            new Twig_Token(Twig_Token::BLOCK_START_TYPE, '', $token->getLine()),
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            new Twig_Token(Twig_Token::NAME_TYPE, 'extends', $token->getLine()),
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            new Twig_Token(Twig_Token::STRING_TYPE, '__parent__', $token->getLine()),
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            new Twig_Token(Twig_Token::BLOCK_END_TYPE, '', $token->getLine()),
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        ));
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        $module = $this->parser->parse($stream, array($this, 'decideBlockEnd'), true);
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        // override the parent with the correct one
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        $module->setNode('parent', $parent);
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        $this->parser->embedTemplate($module);
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        $stream->expect(Twig_Token::BLOCK_END_TYPE);
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        return new Twig_Node_Embed($module->getAttribute('filename'), $module->getAttribute('index'), $variables, $only, $ignoreMissing, $token->getLine(), $this->getTag());
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    }
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    public function decideBlockEnd(Twig_Token $token)
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    {
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        return $token->test('endembed');
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    }
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    /**
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     * Gets the tag name associated with this token parser.
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     *
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     * @return string The tag name
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     */
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    public function getTag()
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    {
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        return 'embed';
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    }
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}
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