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<?php
/**
* @version $Id: xml.php 14401 2010-01-26 14:10:00Z louis $
* @package Joomla.Framework
* @subpackage Registry
* @copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
// Check to ensure this file is within the rest of the framework
defined('JPATH_BASE') or die();
/**
* XML Format for JRegistry
*
* @package Joomla.Framework
* @subpackage Registry
* @since 1.5
*/
class JRegistryFormatXML extends JRegistryFormat {
/**
* Converts an XML formatted string into an object
*
* @access public
* @param string XML Formatted String
* @return object Data Object
*/
function stringToObject( $data, $namespace='' ) {
return true;
}
/**
* Converts an object into an XML formatted string
* - If more than two levels of nested groups are necessary, since INI is not
* useful, XML or another format should be used.
*
* @access public
* @param object $object Data Source Object
* @param array $param Parameters used by the formatter
* @return string XML Formatted String
*/
function objectToString( &$object, $params )
{
$depth = 1;
$retval = "<?xml version=\"1.0\" ?>\n<config>\n";
foreach (get_object_vars( $object ) as $key=>$item)
{
if (is_object($item))
{
$retval .= "\t<group name=\"".$key."\">\n";
$retval .= $this->_buildXMLstringLevel($item, $depth+1);
$retval .= "\t</group>\n";
} else {
$retval .= "\t<entry name=\"".$key."\">".$item."</entry>\n";
}
}
$retval .= '</config>';
return $retval;
}
/**
* Method to build a level of the XML string -- called recursively
*
* @access private
* @param object $object Object that represents a node of the xml document
* @param int $depth The depth in the XML tree of the $object node
* @return string XML string
*/
function _buildXMLstringLevel($object, $depth)
{
// Initialize variables
$retval = '';
$tab = '';
for($i=1;$i <= $depth; $i++) {
$tab .= "\t";
}
foreach (get_object_vars( $object ) as $key=>$item)
{
if (is_object($item))
{
$retval .= $tab."<group name=\"".$key."\">\n";
$retval .= $this->_buildXMLstringLevel($item, $depth+1);
$retval .= $tab."</group>\n";
} else {
$retval .= $tab."<entry name=\"".$key."\">".$item."</entry>\n";
}
}
return $retval;
}
}