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     protected $def, $element;
   9
  10     /**
  11      * @param $def Definition to wrap
  12      * @param $element Element to deny
  13      */
  14     public function __construct($def, $element) {
  15         $this->def = $def;
  16         $this->element = $element;
  17     }
  18     /**
  19      * Checks if CurrentToken is set and equal to $this->element
  20      */
  21     public function validate($string, $config, $context) {
  22         $token = $context->get('CurrentToken', true);
  23         if ($token && $token->name == $this->element) return false;
  24         return $this->def->validate($string, $config, $context);
  25     }
  26 }