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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) 2009 Fabien Potencier
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 * (c) 2009 Armin Ronacher
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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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 * Includes a template.
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 *
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 * <pre>
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 *   {% include 'header.html' %}
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 *     Body
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 *   {% include 'footer.html' %}
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 * </pre>
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 */
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class Twig_TokenParser_Include extends Twig_TokenParser
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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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        $expr = $this->parser->getExpressionParser()->parseExpression();
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        list($variables, $only, $ignoreMissing) = $this->parseArguments();
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        return new Twig_Node_Include($expr, $variables, $only, $ignoreMissing, $token->getLine(), $this->getTag());
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    }
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    protected function parseArguments()
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    {
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        $stream = $this->parser->getStream();
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        $ignoreMissing = false;
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        if ($stream->test(Twig_Token::NAME_TYPE, 'ignore')) {
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            $stream->next();
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            $stream->expect(Twig_Token::NAME_TYPE, 'missing');
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            $ignoreMissing = true;
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        }
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        $variables = null;
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        if ($stream->test(Twig_Token::NAME_TYPE, 'with')) {
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            $stream->next();
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            $variables = $this->parser->getExpressionParser()->parseExpression();
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        }
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        $only = false;
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        if ($stream->test(Twig_Token::NAME_TYPE, 'only')) {
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            $stream->next();
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            $only = true;
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        }
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        $stream->expect(Twig_Token::BLOCK_END_TYPE);
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        return array($variables, $only, $ignoreMissing);
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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 'include';
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    }
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}