<?php
/**
 * @package     Joomla.Site
 * @subpackage  com_banners
 * @copyright   Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

/**
 * @param   array   A named array
 * @return  array
 */
function BannersBuildRoute(&$query)
{
    $segments = array();

    if (isset($query['task'])) {
        $segments[] = $query['task'];
        unset($query['task']);
    }
    if (isset($query['id'])) {
        $segments[] = $query['id'];
        unset($query['id']);
    }

    return $segments;
}

/**
 * @param   array   A named array
 * @param   array
 *
 * Formats:
 *
 * index.php?/banners/task/id/Itemid
 *
 * index.php?/banners/id/Itemid
 */
function BannersParseRoute($segments)
{
    $vars = array();

    // view is always the first element of the array
    $count = count($segments);

    if ($count)
    {
        $count--;
        $segment = array_shift($segments);
        if (is_numeric($segment)) {
            $vars['id'] = $segment;
        } else {
            $vars['task'] = $segment;
        }
    }

    if ($count)
    {
        $count--;
        $segment = array_shift($segments) ;
        if (is_numeric($segment)) {
            $vars['id'] = $segment;
        }
    }

    return $vars;
}