From 3413fe6bfd423d45d083ff4ed62c0f72c2cc272f Mon Sep 17 00:00:00 2001 From: Bharat Mediratta Date: Thu, 28 May 2009 06:11:53 +0800 Subject: 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. Signed-off-by: Gallery Role Account --- system/libraries/Router.php | 304 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 304 insertions(+) create mode 100644 system/libraries/Router.php (limited to 'system/libraries/Router.php') diff --git a/system/libraries/Router.php b/system/libraries/Router.php new file mode 100644 index 00000000..6dc9b10c --- /dev/null +++ b/system/libraries/Router.php @@ -0,0 +1,304 @@ + 1) + { + // Custom routing + Router::$rsegments = Router::routed_uri(Router::$current_uri); + } + + // The routed URI is now complete + Router::$routed_uri = Router::$rsegments; + + // Routed segments will never be empty + Router::$rsegments = explode('/', Router::$rsegments); + + // Prepare to find the controller + $controller_path = ''; + $method_segment = NULL; + + // Paths to search + $paths = Kohana::include_paths(); + + foreach (Router::$rsegments as $key => $segment) + { + // Add the segment to the search path + $controller_path .= $segment; + + $found = FALSE; + foreach ($paths as $dir) + { + // Search within controllers only + $dir .= 'controllers/'; + + if (is_dir($dir.$controller_path) OR is_file($dir.$controller_path.EXT)) + { + // Valid path + $found = TRUE; + + // The controller must be a file that exists with the search path + if ($c = str_replace('\\', '/', realpath($dir.$controller_path.EXT)) + AND is_file($c) AND strpos($c, $dir) === 0) + { + // Set controller name + Router::$controller = $segment; + + // Change controller path + Router::$controller_path = $c; + + // Set the method segment + $method_segment = $key + 1; + + // Stop searching + break; + } + } + } + + if ($found === FALSE) + { + // Maximum depth has been reached, stop searching + break; + } + + // Add another slash + $controller_path .= '/'; + } + + if ($method_segment !== NULL AND isset(Router::$rsegments[$method_segment])) + { + // Set method + Router::$method = Router::$rsegments[$method_segment]; + + if (isset(Router::$rsegments[$method_segment + 1])) + { + // Set arguments + Router::$arguments = array_slice(Router::$rsegments, $method_segment + 1); + } + } + + // Last chance to set routing before a 404 is triggered + Event::run('system.post_routing'); + + if (Router::$controller === NULL) + { + // No controller was found, so no page can be rendered + Event::run('system.404'); + } + } + + /** + * Attempts to determine the current URI using CLI, GET, PATH_INFO, ORIG_PATH_INFO, or PHP_SELF. + * + * @return void + */ + public static function find_uri() + { + if (PHP_SAPI === 'cli') + { + // Command line requires a bit of hacking + if (isset($_SERVER['argv'][1])) + { + Router::$current_uri = $_SERVER['argv'][1]; + + // Remove GET string from segments + if (($query = strpos(Router::$current_uri, '?')) !== FALSE) + { + list (Router::$current_uri, $query) = explode('?', Router::$current_uri, 2); + + // Parse the query string into $_GET + parse_str($query, $_GET); + + // Convert $_GET to UTF-8 + $_GET = utf8::clean($_GET); + } + } + } + elseif (isset($_GET['kohana_uri'])) + { + // Use the URI defined in the query string + Router::$current_uri = $_GET['kohana_uri']; + + // Remove the URI from $_GET + unset($_GET['kohana_uri']); + + // Remove the URI from $_SERVER['QUERY_STRING'] + $_SERVER['QUERY_STRING'] = preg_replace('~\bkohana_uri\b[^&]*+&?~', '', $_SERVER['QUERY_STRING']); + } + elseif (isset($_SERVER['PATH_INFO']) AND $_SERVER['PATH_INFO']) + { + Router::$current_uri = $_SERVER['PATH_INFO']; + } + elseif (isset($_SERVER['ORIG_PATH_INFO']) AND $_SERVER['ORIG_PATH_INFO']) + { + Router::$current_uri = $_SERVER['ORIG_PATH_INFO']; + } + elseif (isset($_SERVER['PHP_SELF']) AND $_SERVER['PHP_SELF']) + { + Router::$current_uri = $_SERVER['PHP_SELF']; + + if (($strpos_fc = strpos(Router::$current_uri, KOHANA)) !== FALSE) + { + // Remove the front controller from the current uri + Router::$current_uri = substr(Router::$current_uri, $strpos_fc + strlen(KOHANA)); + } + } + + // Remove slashes from the start and end of the URI + Router::$current_uri = trim(Router::$current_uri, '/'); + + if (Router::$current_uri !== '') + { + if ($suffix = Kohana::config('core.url_suffix') AND strpos(Router::$current_uri, $suffix) !== FALSE) + { + // Remove the URL suffix + Router::$current_uri = preg_replace('#'.preg_quote($suffix).'$#u', '', Router::$current_uri); + + // Set the URL suffix + Router::$url_suffix = $suffix; + } + + // Reduce multiple slashes into single slashes + Router::$current_uri = preg_replace('#//+#', '/', Router::$current_uri); + } + } + + /** + * Generates routed URI from given URI. + * + * @param string URI to convert + * @return string Routed uri + */ + public static function routed_uri($uri) + { + if (Router::$routes === NULL) + { + // Load routes + Router::$routes = Kohana::config('routes'); + } + + // Prepare variables + $routed_uri = $uri = trim($uri, '/'); + + if (isset(Router::$routes[$uri])) + { + // Literal match, no need for regex + $routed_uri = Router::$routes[$uri]; + } + else + { + // Loop through the routes and see if anything matches + foreach (Router::$routes as $key => $val) + { + if ($key === '_default') continue; + + // Trim slashes + $key = trim($key, '/'); + $val = trim($val, '/'); + + if (preg_match('#^'.$key.'$#u', $uri)) + { + if (strpos($val, '$') !== FALSE) + { + // Use regex routing + $routed_uri = preg_replace('#^'.$key.'$#u', $val, $uri); + } + else + { + // Standard routing + $routed_uri = $val; + } + + // A valid route has been found + break; + } + } + } + + if (isset(Router::$routes[$routed_uri])) + { + // Check for double routing (without regex) + $routed_uri = Router::$routes[$routed_uri]; + } + + return trim($routed_uri, '/'); + } + +} // End Router \ No newline at end of file -- cgit v1.2.3