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   1  <?php
   2  
   3  /**
   4   * Property list iterator. Do not instantiate this class directly.
   5   */
   6  class HTMLPurifier_PropertyListIterator extends FilterIterator
   7  {
   8  
   9      /**
  10       * @type int
  11       */
  12      protected $l;
  13      /**
  14       * @type string
  15       */
  16      protected $filter;
  17  
  18      /**
  19       * @param Iterator $iterator Array of data to iterate over
  20       * @param string $filter Optional prefix to only allow values of
  21       */
  22      public function __construct(Iterator $iterator, $filter = null)
  23      {
  24          parent::__construct($iterator);
  25          $this->l = strlen($filter);
  26          $this->filter = $filter;
  27      }
  28  
  29      /**
  30       * @return bool
  31       */
  32      public function accept()
  33      {
  34          $key = $this->getInnerIterator()->key();
  35          if (strncmp($key, $this->filter, $this->l) !== 0) {
  36              return false;
  37          }
  38          return true;
  39      }
  40  }
  41  
  42  // vim: et sw=4 sts=4