<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Updater
 *
 * @copyright   Copyright (C) 2005 - 2011 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

jimport('joomla.base.adapterinstance');

/**
 * UpdateAdapter class.
 *
 * @package     Joomla.Platform
 * @subpackage  Update
 * @since       11.1
 */

class JUpdateAdapter extends JAdapterInstance {
    protected $xml_parser;
    protected $_stack = Array('base');
    protected $_update_site_id = 0;
    protected $_updatecols = Array('NAME', 'ELEMENT', 'TYPE', 'FOLDER', 'CLIENT', 'VERSION', 'DESCRIPTION');

    /**
     * Gets the reference to the current direct parent
     *
     * @return object
     */
    protected function _getStackLocation()
    {
            return implode('->', $this->_stack);
    }

    protected function _getLastTag() {
        return $this->_stack[count($this->_stack) - 1];
    }
}