vendor/twig/twig/lib/Twig/Extension.php

   1 <?php
   2
   3 /*
   4  * This file is part of Twig.
   5  *
   6  * (c) 2009 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 abstract class Twig_Extension implements Twig_ExtensionInterface
  12 {
  13     /**
  14      * Initializes the runtime environment.
  15      *
  16      * This is where you can load some file that contains filter functions for instance.
  17      *
  18      * @param Twig_Environment $environment The current Twig_Environment instance
  19      */
  20     public function initRuntime(Twig_Environment $environment)
  21     {
  22     }
  23
  24     /**
  25      * Returns the token parser instances to add to the existing list.
  26      *
  27      * @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
  28      */
  29     public function getTokenParsers()
  30     {
  31         return array();
  32     }
  33
  34     /**
  35      * Returns the node visitor instances to add to the existing list.
  36      *
  37      * @return array An array of Twig_NodeVisitorInterface instances
  38      */
  39     public function getNodeVisitors()
  40     {
  41         return array();
  42     }
  43
  44     /**
  45      * Returns a list of filters to add to the existing list.
  46      *
  47      * @return array An array of filters
  48      */
  49     public function getFilters()
  50     {
  51         return array();
  52     }
  53
  54     /**
  55      * Returns a list of tests to add to the existing list.
  56      *
  57      * @return array An array of tests
  58      */
  59     public function getTests()
  60     {
  61         return array();
  62     }
  63
  64     /**
  65      * Returns a list of functions to add to the existing list.
  66      *
  67      * @return array An array of functions
  68      */
  69     public function getFunctions()
  70     {
  71         return array();
  72     }
  73
  74     /**
  75      * Returns a list of operators to add to the existing list.
  76      *
  77      * @return array An array of operators
  78      */
  79     public function getOperators()
  80     {
  81         return array();
  82     }
  83
  84     /**
  85      * Returns a list of global variables to add to the existing list.
  86      *
  87      * @return array An array of global variables
  88      */
  89     public function getGlobals()
  90     {
  91         return array();
  92     }
  93 }