<?PHP

  require_once ('twIf/object/access.php');
  
  /**
   * Convert
   * =======
   * Generic I/O-Function for different export-formats
   * 
   * @class twIf_Convert
   * @extends twIf_Object_Access
   * @package twIf
   * @revision 01
   * @author Bernd Holzmueller <bernd@tiggerswelt.net>
   **/
  abstract class twIf_Convert extends twIf_Object_Access {
    private static $Deferred = array ();
    
    // {{{ clearDeferredImports
    /**
     * Reset all deferred imports
     * 
     * @access protected
     * @return void
     **/
    protected static function clearDeferredImports () {
      self::$Deferred = array ();
    }
    // }}}
    
    // {{{ storeDeferredImport
    /**
     * Store a deferred record
     * 
     * @param int $ID
     * @param object $Handle
     * @param string $Message
     * 
     * @access protected
     * @return void
     **/
    protected static function storeDeferredImport ($ID, $Handle, $Message) {
      if (!isset (self::$Deferred [$ID])) {
        self::$Deferred [$ID] = $Handle;
        self::$Deferred [$ID]->twImportMessages = array ($Message);
      } else
        self::$Deferred [$ID]->twImportMessages [] = $Message;
    }
    // }}}
    
    // {{{ getDeferredImports
    /**
     * Retrive the list of deferred imports
     * 
     * @access public
     * @return array
     **/
    public static function getDeferredImports () {
      return self::$Deferred;
    }
    // }}}
  }

?>