<?php

echo 'require';
class Ere_Router extends CI_Router {
	
	public function __construct() {
		echo 'constructor';
		$this->config =& load_class('Config');
		$this->_set_route_mapping();
		
		log_message('debug', "Router Class Initialized");
	}
	public function _set_route_mapping()
	{
		echo 'a';
		// Are query strings enabled in the config file?
		// If so, we're done since segment based URIs are not used with query strings.
		if ($this->config->item('enable_query_strings') === TRUE AND isset($_GET[$this->config->item('controller_trigger')]))
		{
			$this->set_class($_GET[$this->config->item('controller_trigger')]);

			if (isset($_GET[$this->config->item('function_trigger')]))
			{
				$this->set_method($_GET[$this->config->item('function_trigger')]);
			}
			
			return;
		}
		echo 'b';
		
		// Load the routes.php file.
		@include(APPPATH.'config/routes'.EXT);
		
		$this->routes = ( ! isset($route) OR ! is_array($route)) ? array() : $route;
		unset($route);

		// Set the default controller so we can display it in the event
		// the URI doesn't correlated to a valid controller.
		$this->default_controller = ( ! isset($this->routes['default_controller']) OR $this->routes['default_controller'] == '') ? FALSE : strtolower($this->routes['default_controller']);	
		
		// Fetch the complete URI string
		$this->uri_string = $this->_get_uri_string();
		
		// If the URI contains only a slash we'll kill it
		if ($this->uri_string == '/')
		{
			$this->uri_string = '';
		}
		echo 'c';
	
		// Is there a URI string? If not, the default controller specified in the "routes" file will be shown.
		if ($this->uri_string == '')
		{
			if ($this->default_controller === FALSE)
			{
				show_error("Unable to determine what should be displayed. A default route has not been specified in the routing file.");
			}
		
			$this->set_class($this->default_controller);
			$this->set_method('index');

			log_message('debug', "No URI present. Default controller set.");
			return;
		}
		unset($this->routes['default_controller']);
		echo 'd';
		// Do we need to remove the suffix specified in the config file?
		if  ($this->config->item('url_suffix') != "")
		{
			$this->uri_string = preg_replace("|".preg_quote($this->config->item('url_suffix'))."$|", "", $this->uri_string);
		}
		
		// Modified by: Peter Goodman
		// Split the URI Segments. The individual segments will
		// be stored in the $this->segments array, then checked over
		// to see if any of them are sub-folders of the original
		// controllers directory.
		$this->segments = preg_split("~/~", preg_replace("|/*(.+?)/*$|", "\\1", $this->uri_string), -1, PREG_SPLIT_NO_EMPTY);
		$i = -1;
		while(isset($this->segments[++$i])) {
			if(is_dir($this->segments[$i])) {
				$this->directory .= array_shift($this->segments) .'/';
			} else {
				break;
			}
		}
		$this->segments = array_values($this->segments);
		// end modification
		echo 'e';
		
		// Parse any custom routing that may exist
		$this->_parse_routes();		
		echo 'f';
		// Re-index the segment array so that it starts with 1 rather than 0
		$this->_reindex_segments();
		echo 'g';
	}
}