File indexing completed on 2024-12-22 05:36:21

 <?php
 
 /**
  * Object that provides entity lookup table from entity name to character
  */
 class HTMLPurifier_EntityLookup
 {
     /**
      * Assoc array of entity name to character represented.
      * @type array
      */
     public $table;
 
     /**
      * Sets up the entity lookup table from the serialized file contents.
      * @param bool $file
      * @note The serialized contents are versioned, but were generated
      *       using the maintenance script generate_entity_file.php
      * @warning This is not in constructor to help enforce the Singleton
      */
     public function setup($file = false)
     {
         if (!$file) {
             $file = HTMLPURIFIER_PREFIX . '/HTMLPurifier/EntityLookup/entities.ser';
         }
         $this->table = unserialize(file_get_contents($file));
     }
 
     /**
      * Retrieves sole instance of the object.
      * @param bool|HTMLPurifier_EntityLookup $prototype Optional prototype of custom lookup table to overload with.
      * @return HTMLPurifier_EntityLookup
      */
     public static function instance($prototype = false)
     {
         // no references, since PHP doesn't copy unless modified
         static $instance = null;
         if ($prototype) {
             $instance = $prototype;
         } elseif (!$instance) {
             $instance = new HTMLPurifier_EntityLookup();
             $instance->setup();
         }
         return $instance;
     }
 }
 
 // vim: et sw=4 sts=4