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   1  <?php
   2  
   3  /**
   4   * Definition cache decorator class that saves all cache retrievals
   5   * to PHP's memory; good for unit tests or circumstances where
   6   * there are lots of configuration objects floating around.
   7   */
   8  class HTMLPurifier_DefinitionCache_Decorator_Memory extends HTMLPurifier_DefinitionCache_Decorator
   9  {
  10      /**
  11       * @type array
  12       */
  13      protected $definitions;
  14  
  15      /**
  16       * @type string
  17       */
  18      public $name = 'Memory';
  19  
  20      /**
  21       * @return HTMLPurifier_DefinitionCache_Decorator_Memory
  22       */
  23      public function copy()
  24      {
  25          return new HTMLPurifier_DefinitionCache_Decorator_Memory();
  26      }
  27  
  28      /**
  29       * @param HTMLPurifier_Definition $def
  30       * @param HTMLPurifier_Config $config
  31       * @return mixed
  32       */
  33      public function add($def, $config)
  34      {
  35          $status = parent::add($def, $config);
  36          if ($status) {
  37              $this->definitions[$this->generateKey($config)] = $def;
  38          }
  39          return $status;
  40      }
  41  
  42      /**
  43       * @param HTMLPurifier_Definition $def
  44       * @param HTMLPurifier_Config $config
  45       * @return mixed
  46       */
  47      public function set($def, $config)
  48      {
  49          $status = parent::set($def, $config);
  50          if ($status) {
  51              $this->definitions[$this->generateKey($config)] = $def;
  52          }
  53          return $status;
  54      }
  55  
  56      /**
  57       * @param HTMLPurifier_Definition $def
  58       * @param HTMLPurifier_Config $config
  59       * @return mixed
  60       */
  61      public function replace($def, $config)
  62      {
  63          $status = parent::replace($def, $config);
  64          if ($status) {
  65              $this->definitions[$this->generateKey($config)] = $def;
  66          }
  67          return $status;
  68      }
  69  
  70      /**
  71       * @param HTMLPurifier_Config $config
  72       * @return mixed
  73       */
  74      public function get($config)
  75      {
  76          $key = $this->generateKey($config);
  77          if (isset($this->definitions[$key])) {
  78              return $this->definitions[$key];
  79          }
  80          $this->definitions[$key] = parent::get($config);
  81          return $this->definitions[$key];
  82      }
  83  }
  84  
  85  // vim: et sw=4 sts=4