<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Registry
 *
 * @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;

/**
 * PHP class format handler for JRegistry
 *
 * @package     Joomla.Platform
 * @subpackage  Registry
 * @since       11.1
 */
class JRegistryFormatPhp extends JRegistryFormat {

    /**
     * Converts an object into a php class string.
     *  - NOTE: Only one depth level is supported.
     *
     * @param   object  Data Source Object
     * @param   array   Parameters used by the formatter
     * @return  string  Config class formatted string
     */
    public function objectToString($object, $params = array())
    {
        // Build the object variables string
        $vars = '';
        foreach (get_object_vars($object) as $k => $v) {
            if (is_scalar($v)) {
                $vars .= "\tpublic $". $k . " = '" . addcslashes($v, '\\\'') . "';\n";
            } else if (is_array($v)) {
                $vars .= "\tpublic $". $k . " = " . $this->_getArrayString($v) . ";\n";
            }
        }

        $str = "<?php\nclass ".$params['class']." {\n";
        $str .= $vars;
        $str .= "}";

        // Use the closing tag if it not set to false in parameters.
        if (!isset($params['closingtag']) || $params['closingtag'] !== false) {
            $str .= "\n?>";
        }

        return $str;
    }

    /**
     * Placeholder method
     *
     * @return boolean True
     */
    function stringToObject($data, $namespace='')
    {
        return true;
    }

    protected function _getArrayString($a)
    {
        $s = 'array(';
        $i = 0;
        foreach ($a as $k => $v) {
            $s .= ($i) ? ', ' : '';
            $s .= '"'.$k.'" => ';
            if (is_array($v)) {
                $s .= $this->_getArrayString($v);
            } else {
                $s .= '"'.addslashes($v).'"';
            }
            $i++;
        }
        $s .= ')';
        return $s;
    }
}