<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category   Mage
 * @package    Mage_Catalog
 * @copyright  Copyright (c) 2008 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


/**
 * Catalog Product Url helper
 *
 * @category   Mage
 * @package    Mage_Catalog
 * @author     Magento Core Team <core@magentocommerce.com>
 */
class Mage_Catalog_Helper_Product_Url extends Mage_Core_Helper_Url
{
    /**
     * Symbol convert table
     *
     * @var array
     */
    protected $_convertTable;

    public function getConvertTable()
    {
        if (is_null($this->_convertTable)) {
            $convertNode = Mage::getConfig()->getNode('default/url/convert');
            foreach ($convertNode->children() as $node) {
                $this->_convertTable[strval($node->from)] = strval($node->to);
            }
        }
        return $this->_convertTable;
    }

    public function format($string)
    {
        return strtr($string, $this->getConvertTable());
    }
}