<?PHP

  /**
   * phOSCAR
   * -------
   * An OSCAR-Implementation in PHP 5
   * 
   * This work is distributed within the terms of
   * creative commons attribution-share alike 3.0 germany
   * 
   * See http://creativecommons.org/licenses/by-sa/3.0/ for more information
   * 
   * @author Bernd Holzmueller <bernd@tiggerswelt.net>
   * @revision 01
   * @license http://creativecommons.org/licenses/by-sa/3.0/de/ Creative Commons Attribution-Share Alike 3.0 Germany
   * @homepage http://oss.tiggerswelt.net/oscar/
   * @copyright Copyright &copy; 2009 tiggersWelt.net 
   */

  class Oscar_TLV_Helper_TLV extends Oscar_TLV {
    /* Value of this TLV */
    public $TLVs = array ();
    
    protected $Prepend = "";
    
    // {{{ getTLVClasses
    /**
     * Retrive a list of prefered TLV-Types for this TLV
     * 
     * @access protected
     * @return array
     */
    protected function getTLVClasses () {
      return array ();
    }
    // }}}
    
    // {{{ parse
    /**
     * Parse this TLV
     * 
     * @access public
     * @return void
     */
    public function parse () {
      $this->TLVs = Oscar_TLV::parseTLVs ($this->Data, $this->Parent, $this->getTLVClasses ());
    }
    // }}}
    
    // {{{ generate
    /**
     * Generate a string from this TLV
     * 
     * @access public
     * @return string
     */
    public function generate () {
      $this->Data = $this->Prepend;
      
      foreach ($this->TLVs as $TLV)
        $this->Data .= $TLV->generate ();
      
      return parent::generate ();
    }
    // }}}
  }

?>