vendor/twig/twig/lib/Twig/TokenParser/Embed.php

   1 <?php
   2
   3 /*
   4  * This file is part of Twig.
   5  *
   6  * (c) 2012 Fabien Potencier
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 /**
  13  * Embeds a template.
  14  */
  15 class Twig_TokenParser_Embed extends Twig_TokenParser_Include
  16 {
  17     /**
  18      * Parses a token and returns a node.
  19      *
  20      * @param Twig_Token $token A Twig_Token instance
  21      *
  22      * @return Twig_NodeInterface A Twig_NodeInterface instance
  23      */
  24     public function parse(Twig_Token $token)
  25     {
  26         $stream = $this->parser->getStream();
  27
  28         $parent = $this->parser->getExpressionParser()->parseExpression();
  29
  30         list($variables, $only, $ignoreMissing) = $this->parseArguments();
  31
  32         // inject a fake parent to make the parent() function work
  33         $stream->injectTokens(array(
  34             new Twig_Token(Twig_Token::BLOCK_START_TYPE, '', $token->getLine()),
  35             new Twig_Token(Twig_Token::NAME_TYPE, 'extends', $token->getLine()),
  36             new Twig_Token(Twig_Token::STRING_TYPE, '__parent__', $token->getLine()),
  37             new Twig_Token(Twig_Token::BLOCK_END_TYPE, '', $token->getLine()),
  38         ));
  39
  40         $module = $this->parser->parse($stream, array($this, 'decideBlockEnd'), true);
  41
  42         // override the parent with the correct one
  43         $module->setNode('parent', $parent);
  44
  45         $this->parser->embedTemplate($module);
  46
  47         $stream->expect(Twig_Token::BLOCK_END_TYPE);
  48
  49         return new Twig_Node_Embed($module->getAttribute('filename'), $module->getAttribute('index'), $variables, $only, $ignoreMissing, $token->getLine(), $this->getTag());
  50     }
  51
  52     public function decideBlockEnd(Twig_Token $token)
  53     {
  54         return $token->test('endembed');
  55     }
  56
  57     /**
  58      * Gets the tag name associated with this token parser.
  59      *
  60      * @return string The tag name
  61      */
  62     public function getTag()
  63     {
  64         return 'embed';
  65     }
  66 }