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   1  <?php
   2  
   3  /**
   4   * Allows multiple validators to attempt to validate attribute.
   5   *
   6   * Composite is just what it sounds like: a composite of many validators.
   7   * This means that multiple HTMLPurifier_AttrDef objects will have a whack
   8   * at the string.  If one of them passes, that's what is returned.  This is
   9   * especially useful for CSS values, which often are a choice between
  10   * an enumerated set of predefined values or a flexible data type.
  11   */
  12  class HTMLPurifier_AttrDef_CSS_Composite extends HTMLPurifier_AttrDef
  13  {
  14  
  15      /**
  16       * List of HTMLPurifier_AttrDef objects that may process strings
  17       * @todo Make protected
  18       */
  19      public $defs;
  20  
  21      /**
  22       * @param $defs List of HTMLPurifier_AttrDef objects
  23       */
  24      public function __construct($defs) {
  25          $this->defs = $defs;
  26      }
  27  
  28      public function validate($string, $config, $context) {
  29          foreach ($this->defs as $i => $def) {
  30              $result = $this->defs[$i]->validate($string, $config, $context);
  31              if ($result !== false) return $result;
  32          }
  33          return false;
  34      }
  35  
  36  }
  37  
  38  // vim: et sw=4 sts=4