SP_Router.php

<?php if (!defined('BASEPATH')) exit('No direct script access allowed');

/**
 * SimplyPost
 *
 * @author		Pascal Kriete
 * @package		SimplyPost
 * @copyright	Copyright (c) 2008, Pascal Kriete
 * @license 	http://www.opensource.org/licenses/mit-license.php
 */

// ------------------------------------------------------------------------

/**
 * Router Class
 *
 * Extends CI Router
 *
 * @package		SimplyPost
 * @subpackage	Libraries
 * @category	Core Extension
 * @author		Pascal Kriete
 */
class SP_Router extends CI_Router {
	
	/**
	 * Constructor
	 *
	 * @access	public
	 */
	function SP_Router()
	{
		parent::CI_Router();
	}
	
	// --------------------------------------------------------------------
	
	/**
	 * Validate Routing Request
	 *
	 * @access	public
	 */
	function _validate_request($segments)
	{
		// Check the root folder first
		if (file_exists(APPPATH.'controllers/'.$segments[0].EXT))
		{
			return $segments;
		}
		
		// Backend is special (and I know this is ugly)
		global $CFG;
		
		if ($segments[0] == $CFG->item('backend_base'))
		{
			// Not in the root, but not enough segments
			if (count($segments) < 2)
			{
				//Calling the index function of a controller of the same directory...
				//We'll cheat and just set our segment
				$segments[1] = $segments[0];
			}

			// Does the requested controller exist as a full path including the directory?
			if (file_exists(APPPATH.'controllers/'.$segments[0].'/'.$segments[1].EXT))
			{
				//Set the directory
				$this->set_directory($segments[0]);

				//Drop the directory segment
				$segments = array_slice($segments, 1);
				return $segments;
			}

			//Ok, that didn't work, let's try duplicating segment 1, maybe it's the same ;).
			if (file_exists(APPPATH.'controllers/backend/'.$segments[1].'/'.$segments[1].EXT))
			{
				//We cheated so we need to fix the array
				$segments[0] = $segments[1];
				
				//Set the directory
				$this->set_directory('backend/'.$segments[0]);
				
				return $segments;
			}
		}

		// Can't find the requested controller... where did frontend.php go?
		die('Fatal Error');
	}
}
// END SP_Router class

/* End of file SP_Router.php */
/* Location: ./application/libraries/SP_Router.php */