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   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