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authorDerek Jones <derek.jones@ellislab.com>2010-03-02 19:53:43 +0100
committerDerek Jones <derek.jones@ellislab.com>2010-03-02 19:53:43 +0100
commitb97d21f92c3f38aaab36d2c1f885918375417845 (patch)
treec113ccbbbb00340b190905252a4cc6a571e11c8e /system/libraries/Router.php
parent7313237eaef22530789067066954280d609a0550 (diff)
moving core library files out of libraries into new core folder
Diffstat (limited to 'system/libraries/Router.php')
-rw-r--r--system/libraries/Router.php389
1 files changed, 0 insertions, 389 deletions
diff --git a/system/libraries/Router.php b/system/libraries/Router.php
deleted file mode 100644
index 20e69721d..000000000
--- a/system/libraries/Router.php
+++ /dev/null
@@ -1,389 +0,0 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
-/**
- * CodeIgniter
- *
- * An open source application development framework for PHP 4.3.2 or newer
- *
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2010, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * Router Class
- *
- * Parses URIs and determines routing
- *
- * @package CodeIgniter
- * @subpackage Libraries
- * @author ExpressionEngine Dev Team
- * @category Libraries
- * @link http://codeigniter.com/user_guide/general/routing.html
- */
-class CI_Router {
-
- var $config;
- var $routes = array();
- var $error_routes = array();
- var $class = '';
- var $method = 'index';
- var $directory = '';
- var $uri_protocol = 'auto';
- var $default_controller;
- var $scaffolding_request = FALSE; // Must be set to FALSE
-
- /**
- * Constructor
- *
- * Runs the route mapping function.
- */
- function CI_Router()
- {
- $this->config =& load_class('Config');
- $this->uri =& load_class('URI');
- $this->_set_routing();
- log_message('debug', "Router Class Initialized");
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set the route mapping
- *
- * This function determines what should be served based on the URI request,
- * as well as any "routes" that have been set in the routing config file.
- *
- * @access private
- * @return void
- */
- function _set_routing()
- {
- // Are query strings enabled in the config file?
- // If so, we're done since segment based URIs are not used with query strings.
- if ($this->config->item('enable_query_strings') === TRUE AND isset($_GET[$this->config->item('controller_trigger')]))
- {
- $this->set_class(trim($this->uri->_filter_uri($_GET[$this->config->item('controller_trigger')])));
-
- if (isset($_GET[$this->config->item('function_trigger')]))
- {
- $this->set_method(trim($this->uri->_filter_uri($_GET[$this->config->item('function_trigger')])));
- }
-
- return;
- }
-
- // 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
- $this->uri->_fetch_uri_string();
-
- // Is there a URI string? If not, the default controller specified in the "routes" file will be shown.
- if ($this->uri->uri_string == '')
- {
- if ($this->default_controller === FALSE)
- {
- show_error("Unable to determine what should be displayed. A default route has not been specified in the routing file.");
- }
-
- if (strpos($this->default_controller, '/') !== FALSE)
- {
- $x = explode('/', $this->default_controller);
-
- $this->set_class(end($x));
- $this->set_method('index');
- $this->_set_request($x);
- }
- else
- {
- $this->set_class($this->default_controller);
- $this->set_method('index');
- $this->_set_request(array($this->default_controller, 'index'));
- }
-
- // re-index the routed segments array so it starts with 1 rather than 0
- $this->uri->_reindex_segments();
-
- log_message('debug', "No URI present. Default controller set.");
- return;
- }
- unset($this->routes['default_controller']);
-
- // Do we need to remove the URL suffix?
- $this->uri->_remove_url_suffix();
-
- // Compile the segments into an array
- $this->uri->_explode_segments();
-
- // Parse any custom routing that may exist
- $this->_parse_routes();
-
- // Re-index the segment array so that it starts with 1 rather than 0
- $this->uri->_reindex_segments();
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set the Route
- *
- * This function takes an array of URI segments as
- * input, and sets the current class/method
- *
- * @access private
- * @param array
- * @param bool
- * @return void
- */
- function _set_request($segments = array())
- {
- $segments = $this->_validate_request($segments);
-
- if (count($segments) == 0)
- {
- return;
- }
-
- $this->set_class($segments[0]);
-
- if (isset($segments[1]))
- {
- // A scaffolding request. No funny business with the URL
- if ($this->routes['scaffolding_trigger'] == $segments[1] AND $segments[1] != '_ci_scaffolding')
- {
- $this->scaffolding_request = TRUE;
- unset($this->routes['scaffolding_trigger']);
- }
- else
- {
- // A standard method request
- $this->set_method($segments[1]);
- }
- }
- else
- {
- // This lets the "routed" segment array identify that the default
- // index method is being used.
- $segments[1] = 'index';
- }
-
- // Update our "routed" segment array to contain the segments.
- // Note: If there is no custom routing, this array will be
- // identical to $this->uri->segments
- $this->uri->rsegments = $segments;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Validates the supplied segments. Attempts to determine the path to
- * the controller.
- *
- * @access private
- * @param array
- * @return array
- */
- function _validate_request($segments)
- {
- // Does the requested controller exist in the root folder?
- if (file_exists(APPPATH.'controllers/'.$segments[0].EXT))
- {
- return $segments;
- }
-
- // Is the controller in a sub-folder?
- if (is_dir(APPPATH.'controllers/'.$segments[0]))
- {
- // Set the directory and remove it from the segment array
- $this->set_directory($segments[0]);
- $segments = array_slice($segments, 1);
-
- if (count($segments) > 0)
- {
- // Does the requested controller exist in the sub-folder?
- if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$segments[0].EXT))
- {
- show_404($this->fetch_directory().$segments[0]);
- }
- }
- else
- {
- $this->set_class($this->default_controller);
- $this->set_method('index');
-
- // Does the default controller exist in the sub-folder?
- if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$this->default_controller.EXT))
- {
- $this->directory = '';
- return array();
- }
-
- }
-
- return $segments;
- }
-
- // Can't find the requested controller...
- show_404($segments[0]);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Parse Routes
- *
- * This function matches any routes that may exist in
- * the config/routes.php file against the URI to
- * determine if the class/method need to be remapped.
- *
- * @access private
- * @return void
- */
- function _parse_routes()
- {
- // Do we even have any custom routing to deal with?
- // There is a default scaffolding trigger, so we'll look just for 1
- if (count($this->routes) == 1)
- {
- $this->_set_request($this->uri->segments);
- return;
- }
-
- // Turn the segment array into a URI string
- $uri = implode('/', $this->uri->segments);
-
- // Is there a literal match? If so we're done
- if (isset($this->routes[$uri]))
- {
- $this->_set_request(explode('/', $this->routes[$uri]));
- return;
- }
-
- // Loop through the route array looking for wild-cards
- foreach ($this->routes as $key => $val)
- {
- // Convert wild-cards to RegEx
- $key = str_replace(':any', '.+', str_replace(':num', '[0-9]+', $key));
-
- // Does the RegEx match?
- if (preg_match('#^'.$key.'$#', $uri))
- {
- // Do we have a back-reference?
- if (strpos($val, '$') !== FALSE AND strpos($key, '(') !== FALSE)
- {
- $val = preg_replace('#^'.$key.'$#', $val, $uri);
- }
-
- $this->_set_request(explode('/', $val));
- return;
- }
- }
-
- // If we got this far it means we didn't encounter a
- // matching route so we'll set the site default route
- $this->_set_request($this->uri->segments);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set the class name
- *
- * @access public
- * @param string
- * @return void
- */
- function set_class($class)
- {
- $this->class = $class;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch the current class
- *
- * @access public
- * @return string
- */
- function fetch_class()
- {
- return $this->class;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set the method name
- *
- * @access public
- * @param string
- * @return void
- */
- function set_method($method)
- {
- $this->method = $method;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch the current method
- *
- * @access public
- * @return string
- */
- function fetch_method()
- {
- if ($this->method == $this->fetch_class())
- {
- return 'index';
- }
-
- return $this->method;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set the directory name
- *
- * @access public
- * @param string
- * @return void
- */
- function set_directory($dir)
- {
- $this->directory = $dir.'/';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch the sub-directory (if any) that contains the requested controller class
- *
- * @access public
- * @return string
- */
- function fetch_directory()
- {
- return $this->directory;
- }
-
-}
-// END Router Class
-
-/* End of file Router.php */
-/* Location: ./system/libraries/Router.php */ \ No newline at end of file