library/HTMLPurifier/AttrDef/CSS/DenyElementDecorator.php

   1 <?php
   2
   3 /**
   4  * Decorator which enables CSS properties to be disabled for specific elements.
   5  */
   6 class HTMLPurifier_AttrDef_CSS_DenyElementDecorator extends HTMLPurifier_AttrDef
   7 {
   8     /**
   9      * @type HTMLPurifier_AttrDef
  10      */
  11     public $def;
  12     /**
  13      * @type string
  14      */
  15     public $element;
  16
  17     /**
  18      * @param HTMLPurifier_AttrDef $def Definition to wrap
  19      * @param string $element Element to deny
  20      */
  21     public function __construct($def, $element)
  22     {
  23         $this->def = $def;
  24         $this->element = $element;
  25     }
  26
  27     /**
  28      * Checks if CurrentToken is set and equal to $this->element
  29      * @param string $string
  30      * @param HTMLPurifier_Config $config
  31      * @param HTMLPurifier_Context $context
  32      * @return bool|string
  33      */
  34     public function validate($string, $config, $context)
  35     {
  36         $token = $context->get('CurrentToken', true);
  37         if ($token && $token->name == $this->element) {
  38             return false;
  39         }
  40         return $this->def->validate($string, $config, $context);
  41     }
  42 }
  43
  44 // vim: et sw=4 sts=4