[Summary view] [Print] [Text view]

   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  namespace Twig\TokenParser;
  13  
  14  use Twig\Node\EmbedNode;
  15  use Twig\Node\Expression\ConstantExpression;
  16  use Twig\Node\Expression\NameExpression;
  17  use Twig\Token;
  18  
  19  /**
  20   * Embeds a template.
  21   *
  22   * @final
  23   */
  24  class EmbedTokenParser extends IncludeTokenParser
  25  {
  26      public function parse(Token $token)
  27      {
  28          $stream = $this->parser->getStream();
  29  
  30          $parent = $this->parser->getExpressionParser()->parseExpression();
  31  
  32          list($variables, $only, $ignoreMissing) = $this->parseArguments();
  33  
  34          $parentToken = $fakeParentToken = new Token(Token::STRING_TYPE, '__parent__', $token->getLine());
  35          if ($parent instanceof ConstantExpression) {
  36              $parentToken = new Token(Token::STRING_TYPE, $parent->getAttribute('value'), $token->getLine());
  37          } elseif ($parent instanceof NameExpression) {
  38              $parentToken = new Token(Token::NAME_TYPE, $parent->getAttribute('name'), $token->getLine());
  39          }
  40  
  41          // inject a fake parent to make the parent() function work
  42          $stream->injectTokens([
  43              new Token(Token::BLOCK_START_TYPE, '', $token->getLine()),
  44              new Token(Token::NAME_TYPE, 'extends', $token->getLine()),
  45              $parentToken,
  46              new Token(Token::BLOCK_END_TYPE, '', $token->getLine()),
  47          ]);
  48  
  49          $module = $this->parser->parse($stream, [$this, 'decideBlockEnd'], true);
  50  
  51          // override the parent with the correct one
  52          if ($fakeParentToken === $parentToken) {
  53              $module->setNode('parent', $parent);
  54          }
  55  
  56          $this->parser->embedTemplate($module);
  57  
  58          $stream->expect(Token::BLOCK_END_TYPE);
  59  
  60          return new EmbedNode($module->getTemplateName(), $module->getAttribute('index'), $variables, $only, $ignoreMissing, $token->getLine(), $this->getTag());
  61      }
  62  
  63      public function decideBlockEnd(Token $token)
  64      {
  65          return $token->test('endembed');
  66      }
  67  
  68      public function getTag()
  69      {
  70          return 'embed';
  71      }
  72  }
  73  
  74  class_alias('Twig\TokenParser\EmbedTokenParser', 'Twig_TokenParser_Embed');