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Rename 'kohana' to 'system' to conform to the Kohana filesystem layout. I'm comfortable with us not clearly drawing the distinction about the fact that it's Kohana.
This commit is contained in:
Bharat Mediratta
@@ -0,0 +1,304 @@
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<?php defined('SYSPATH') OR die('No direct access allowed.');
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/**
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* Router
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*
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* $Id: Router.php 4350 2009-05-14 18:58:18Z zombor $
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*
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* @package Core
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* @author Kohana Team
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* @copyright (c) 2007-2008 Kohana Team
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* @license http://kohanaphp.com/license.html
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*/
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class Router_Core {
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protected static $routes;
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public static $current_uri = '';
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public static $query_string = '';
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public static $complete_uri = '';
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public static $routed_uri = '';
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public static $url_suffix = '';
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public static $segments;
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public static $rsegments;
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public static $controller;
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public static $controller_path;
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public static $method = 'index';
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public static $arguments = array();
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/**
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* Router setup routine. Automatically called during Kohana setup process.
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*
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* @return void
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*/
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public static function setup()
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{
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if ( ! empty($_SERVER['QUERY_STRING']))
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{
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// Set the query string to the current query string
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Router::$query_string = '?'.trim($_SERVER['QUERY_STRING'], '&/');
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}
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if (Router::$routes === NULL)
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{
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// Load routes
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Router::$routes = Kohana::config('routes');
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}
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// Default route status
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$default_route = FALSE;
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if (Router::$current_uri === '')
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{
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// Make sure the default route is set
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if ( ! isset(Router::$routes['_default']))
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throw new Kohana_Exception('core.no_default_route');
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// Use the default route when no segments exist
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Router::$current_uri = Router::$routes['_default'];
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// Default route is in use
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$default_route = TRUE;
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}
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// Make sure the URL is not tainted with HTML characters
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Router::$current_uri = html::specialchars(Router::$current_uri, FALSE);
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// Remove all dot-paths from the URI, they are not valid
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Router::$current_uri = preg_replace('#\.[\s./]*/#', '', Router::$current_uri);
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// At this point segments, rsegments, and current URI are all the same
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Router::$segments = Router::$rsegments = Router::$current_uri = trim(Router::$current_uri, '/');
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// Set the complete URI
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Router::$complete_uri = Router::$current_uri.Router::$query_string;
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// Explode the segments by slashes
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Router::$segments = ($default_route === TRUE OR Router::$segments === '') ? array() : explode('/', Router::$segments);
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if ($default_route === FALSE AND count(Router::$routes) > 1)
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{
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// Custom routing
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Router::$rsegments = Router::routed_uri(Router::$current_uri);
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}
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// The routed URI is now complete
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Router::$routed_uri = Router::$rsegments;
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// Routed segments will never be empty
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Router::$rsegments = explode('/', Router::$rsegments);
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// Prepare to find the controller
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$controller_path = '';
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$method_segment = NULL;
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// Paths to search
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$paths = Kohana::include_paths();
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foreach (Router::$rsegments as $key => $segment)
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{
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// Add the segment to the search path
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$controller_path .= $segment;
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$found = FALSE;
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foreach ($paths as $dir)
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{
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// Search within controllers only
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$dir .= 'controllers/';
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if (is_dir($dir.$controller_path) OR is_file($dir.$controller_path.EXT))
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{
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// Valid path
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$found = TRUE;
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// The controller must be a file that exists with the search path
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if ($c = str_replace('\\', '/', realpath($dir.$controller_path.EXT))
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AND is_file($c) AND strpos($c, $dir) === 0)
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{
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// Set controller name
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Router::$controller = $segment;
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// Change controller path
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Router::$controller_path = $c;
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// Set the method segment
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$method_segment = $key + 1;
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// Stop searching
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break;
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}
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}
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}
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if ($found === FALSE)
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{
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// Maximum depth has been reached, stop searching
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break;
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}
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// Add another slash
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$controller_path .= '/';
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}
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if ($method_segment !== NULL AND isset(Router::$rsegments[$method_segment]))
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{
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// Set method
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Router::$method = Router::$rsegments[$method_segment];
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if (isset(Router::$rsegments[$method_segment + 1]))
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{
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// Set arguments
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Router::$arguments = array_slice(Router::$rsegments, $method_segment + 1);
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}
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}
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// Last chance to set routing before a 404 is triggered
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Event::run('system.post_routing');
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if (Router::$controller === NULL)
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{
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// No controller was found, so no page can be rendered
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Event::run('system.404');
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}
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}
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/**
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* Attempts to determine the current URI using CLI, GET, PATH_INFO, ORIG_PATH_INFO, or PHP_SELF.
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*
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* @return void
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*/
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public static function find_uri()
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{
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if (PHP_SAPI === 'cli')
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{
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// Command line requires a bit of hacking
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if (isset($_SERVER['argv'][1]))
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{
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Router::$current_uri = $_SERVER['argv'][1];
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// Remove GET string from segments
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if (($query = strpos(Router::$current_uri, '?')) !== FALSE)
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{
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list (Router::$current_uri, $query) = explode('?', Router::$current_uri, 2);
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// Parse the query string into $_GET
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parse_str($query, $_GET);
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// Convert $_GET to UTF-8
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$_GET = utf8::clean($_GET);
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}
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}
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}
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elseif (isset($_GET['kohana_uri']))
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{
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// Use the URI defined in the query string
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Router::$current_uri = $_GET['kohana_uri'];
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// Remove the URI from $_GET
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unset($_GET['kohana_uri']);
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// Remove the URI from $_SERVER['QUERY_STRING']
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$_SERVER['QUERY_STRING'] = preg_replace('~\bkohana_uri\b[^&]*+&?~', '', $_SERVER['QUERY_STRING']);
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}
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elseif (isset($_SERVER['PATH_INFO']) AND $_SERVER['PATH_INFO'])
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{
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Router::$current_uri = $_SERVER['PATH_INFO'];
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}
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elseif (isset($_SERVER['ORIG_PATH_INFO']) AND $_SERVER['ORIG_PATH_INFO'])
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{
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Router::$current_uri = $_SERVER['ORIG_PATH_INFO'];
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}
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elseif (isset($_SERVER['PHP_SELF']) AND $_SERVER['PHP_SELF'])
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{
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Router::$current_uri = $_SERVER['PHP_SELF'];
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if (($strpos_fc = strpos(Router::$current_uri, KOHANA)) !== FALSE)
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{
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// Remove the front controller from the current uri
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Router::$current_uri = substr(Router::$current_uri, $strpos_fc + strlen(KOHANA));
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}
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}
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// Remove slashes from the start and end of the URI
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Router::$current_uri = trim(Router::$current_uri, '/');
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if (Router::$current_uri !== '')
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{
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if ($suffix = Kohana::config('core.url_suffix') AND strpos(Router::$current_uri, $suffix) !== FALSE)
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{
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// Remove the URL suffix
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Router::$current_uri = preg_replace('#'.preg_quote($suffix).'$#u', '', Router::$current_uri);
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// Set the URL suffix
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Router::$url_suffix = $suffix;
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}
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// Reduce multiple slashes into single slashes
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Router::$current_uri = preg_replace('#//+#', '/', Router::$current_uri);
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}
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}
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/**
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* Generates routed URI from given URI.
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*
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* @param string URI to convert
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* @return string Routed uri
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*/
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public static function routed_uri($uri)
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{
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if (Router::$routes === NULL)
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{
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// Load routes
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Router::$routes = Kohana::config('routes');
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}
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// Prepare variables
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$routed_uri = $uri = trim($uri, '/');
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if (isset(Router::$routes[$uri]))
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{
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// Literal match, no need for regex
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$routed_uri = Router::$routes[$uri];
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}
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else
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{
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// Loop through the routes and see if anything matches
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foreach (Router::$routes as $key => $val)
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{
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if ($key === '_default') continue;
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// Trim slashes
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$key = trim($key, '/');
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$val = trim($val, '/');
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if (preg_match('#^'.$key.'$#u', $uri))
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{
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if (strpos($val, '$') !== FALSE)
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{
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// Use regex routing
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$routed_uri = preg_replace('#^'.$key.'$#u', $val, $uri);
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}
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else
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{
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// Standard routing
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$routed_uri = $val;
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}
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// A valid route has been found
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break;
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}
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}
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}
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if (isset(Router::$routes[$routed_uri]))
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{
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// Check for double routing (without regex)
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$routed_uri = Router::$routes[$routed_uri];
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}
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return trim($routed_uri, '/');
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}
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} // End Router
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