vendor/twig/twig/lib/Twig/NodeVisitorInterface.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  * Twig_NodeVisitorInterface is the interface the all node visitor classes must implement.
  14  *
  15  * @author Fabien Potencier <fabien@symfony.com>
  16  */
  17 interface Twig_NodeVisitorInterface
  18 {
  19     /**
  20      * Called before child nodes are visited.
  21      *
  22      * @return Twig_NodeInterface The modified node
  23      */
  24     public function enterNode(Twig_NodeInterface $node, Twig_Environment $env);
  25
  26     /**
  27      * Called after child nodes are visited.
  28      *
  29      * @return Twig_NodeInterface|false The modified node or false if the node must be removed
  30      */
  31     public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env);
  32
  33     /**
  34      * Returns the priority for this visitor.
  35      *
  36      * Priority should be between -10 and 10 (0 is the default).
  37      *
  38      * @return int The priority level
  39      */
  40     public function getPriority();
  41 }
  42
  43 class_alias('Twig_NodeVisitorInterface', 'Twig\NodeVisitor\NodeVisitorInterface', false);
  44 class_exists('Twig_Environment');
  45 class_exists('Twig_Node');