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   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\BlockNode;
  15  use Twig\Node\Expression\BlockReferenceExpression;
  16  use Twig\Node\Expression\ConstantExpression;
  17  use Twig\Node\PrintNode;
  18  use Twig\Token;
  19  
  20  /**
  21   * Filters a section of a template by applying filters.
  22   *
  23   *   {% filter upper %}
  24   *      This text becomes uppercase
  25   *   {% endfilter %}
  26   *
  27   * @deprecated since Twig 2.9, to be removed in 3.0 (use the "apply" tag instead)
  28   */
  29  final class FilterTokenParser extends AbstractTokenParser
  30  {
  31      public function parse(Token $token)
  32      {
  33          $stream = $this->parser->getStream();
  34          $lineno = $token->getLine();
  35  
  36          @trigger_error(sprintf('The "filter" tag in "%s" at line %d is deprecated since Twig 2.9, use the "apply" tag instead.', $stream->getSourceContext()->getName(), $lineno), \E_USER_DEPRECATED);
  37  
  38          $name = $this->parser->getVarName();
  39          $ref = new BlockReferenceExpression(new ConstantExpression($name, $lineno), null, $lineno, $this->getTag());
  40  
  41          $filter = $this->parser->getExpressionParser()->parseFilterExpressionRaw($ref, $this->getTag());
  42          $stream->expect(/* Token::BLOCK_END_TYPE */ 3);
  43  
  44          $body = $this->parser->subparse([$this, 'decideBlockEnd'], true);
  45          $stream->expect(/* Token::BLOCK_END_TYPE */ 3);
  46  
  47          $block = new BlockNode($name, $body, $lineno);
  48          $this->parser->setBlock($name, $block);
  49  
  50          return new PrintNode($filter, $lineno, $this->getTag());
  51      }
  52  
  53      public function decideBlockEnd(Token $token)
  54      {
  55          return $token->test('endfilter');
  56      }
  57  
  58      public function getTag()
  59      {
  60          return 'filter';
  61      }
  62  }
  63  
  64  class_alias('Twig\TokenParser\FilterTokenParser', 'Twig_TokenParser_Filter');