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

   1 <?php
   2
   3 /*
   4  * This file is part of Twig.
   5  *
   6  * (c) 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  * @final
  16  */
  17 class Twig_TokenParser_Embed extends Twig_TokenParser_Include
  18 {
  19     public function parse(Twig_Token $token)
  20     {
  21         $stream = $this->parser->getStream();
  22
  23         $parent = $this->parser->getExpressionParser()->parseExpression();
  24
  25         list($variables, $only, $ignoreMissing) = $this->parseArguments();
  26
  27         $parentToken = $fakeParentToken = new Twig_Token(Twig_Token::STRING_TYPE, '__parent__', $token->getLine());
  28         if ($parent instanceof Twig_Node_Expression_Constant) {
  29             $parentToken = new Twig_Token(Twig_Token::STRING_TYPE, $parent->getAttribute('value'), $token->getLine());
  30         } elseif ($parent instanceof Twig_Node_Expression_Name) {
  31             $parentToken = new Twig_Token(Twig_Token::NAME_TYPE, $parent->getAttribute('name'), $token->getLine());
  32         }
  33
  34         // inject a fake parent to make the parent() function work
  35         $stream->injectTokens(array(
  36             new Twig_Token(Twig_Token::BLOCK_START_TYPE, '', $token->getLine()),
  37             new Twig_Token(Twig_Token::NAME_TYPE, 'extends', $token->getLine()),
  38             $parentToken,
  39             new Twig_Token(Twig_Token::BLOCK_END_TYPE, '', $token->getLine()),
  40         ));
  41
  42         $module = $this->parser->parse($stream, array($this, 'decideBlockEnd'), true);
  43
  44         // override the parent with the correct one
  45         if ($fakeParentToken === $parentToken) {
  46             $module->setNode('parent', $parent);
  47         }
  48
  49         $this->parser->embedTemplate($module);
  50
  51         $stream->expect(Twig_Token::BLOCK_END_TYPE);
  52
  53         return new Twig_Node_Embed($module->getTemplateName(), $module->getAttribute('index'), $variables, $only, $ignoreMissing, $token->getLine(), $this->getTag());
  54     }
  55
  56     public function decideBlockEnd(Twig_Token $token)
  57     {
  58         return $token->test('endembed');
  59     }
  60
  61     public function getTag()
  62     {
  63         return 'embed';
  64     }
  65 }
  66
  67 class_alias('Twig_TokenParser_Embed', 'Twig\TokenParser\EmbedTokenParser', false);