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   1  <?php
   2  
   3  /*
   4   * This file is part of Twig.
   5   *
   6   * (c) 2009 Fabien Potencier
   7   * (c) 2009 Armin Ronacher
   8   *
   9   * For the full copyright and license information, please view the LICENSE
  10   * file that was distributed with this source code.
  11   */
  12  class Twig_Node_Expression_Filter extends Twig_Node_Expression_Call
  13  {
  14      public function __construct(Twig_NodeInterface $node, Twig_Node_Expression_Constant $filterName, Twig_NodeInterface $arguments, $lineno, $tag = null)
  15      {
  16          parent::__construct(array('node' => $node, 'filter' => $filterName, 'arguments' => $arguments), array(), $lineno, $tag);
  17      }
  18  
  19      public function compile(Twig_Compiler $compiler)
  20      {
  21          $name = $this->getNode('filter')->getAttribute('value');
  22          $filter = $compiler->getEnvironment()->getFilter($name);
  23  
  24          $this->setAttribute('name', $name);
  25          $this->setAttribute('type', 'filter');
  26          $this->setAttribute('thing', $filter);
  27          $this->setAttribute('needs_environment', $filter->needsEnvironment());
  28          $this->setAttribute('needs_context', $filter->needsContext());
  29          $this->setAttribute('arguments', $filter->getArguments());
  30          if ($filter instanceof Twig_FilterCallableInterface || $filter instanceof Twig_SimpleFilter) {
  31              $this->setAttribute('callable', $filter->getCallable());
  32          }
  33          if ($filter instanceof Twig_SimpleFilter) {
  34              $this->setAttribute('is_variadic', $filter->isVariadic());
  35          }
  36  
  37          $this->compileCallable($compiler);
  38      }
  39  }