/**
* Router setup routine. Automatically called during Kohana setup process.
*
* @return void
*/
public static function setup()
{
if (!empty($_SERVER['QUERY_STRING'])) {
// Set the query string to the current query string
self::$query_string = '?' . trim($_SERVER['QUERY_STRING'], '&/');
}
if (self::$routes === NULL) {
// Load routes
self::$routes = Kohana::config('routes');
}
// Default route status
$default_route = FALSE;
if (self::$current_uri === '') {
// Make sure the default route is set
if (!isset(self::$routes['_default'])) {
throw new Kohana_Exception('core.no_default_route');
}
// Use the default route when no segments exist
self::$current_uri = self::$routes['_default'];
// Default route is in use
$default_route = TRUE;
}
// Make sure the URL is not tainted with HTML characters
self::$current_uri = html::specialchars(self::$current_uri, FALSE);
// Remove all dot-paths from the URI, they are not valid
self::$current_uri = preg_replace('#\\.[\\s./]*/#', '', self::$current_uri);
// At this point segments, rsegments, and current URI are all the same
self::$segments = self::$rsegments = self::$current_uri = trim(self::$current_uri, '/');
// Set the complete URI
self::$complete_uri = self::$current_uri . self::$query_string;
// Explode the segments by slashes
self::$segments = ($default_route === TRUE or self::$segments === '') ? array() : explode('/', self::$segments);
if ($default_route === FALSE and count(self::$routes) > 1) {
// Custom routing
self::$rsegments = self::routed_uri(self::$current_uri);
}
// The routed URI is now complete
self::$routed_uri = self::$rsegments;
// Routed segments will never be empty
self::$rsegments = explode('/', self::$rsegments);
// Prepare to find the controller
$controller_path = '';
$method_segment = NULL;
// Paths to search
$paths = Kohana::include_paths();
foreach (self::$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, $dir) === 0) {
// Set controller name
self::$controller = $segment;
// Change controller path
self::$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(self::$rsegments[$method_segment])) {
// Set method
self::$method = self::$rsegments[$method_segment];
if (isset(self::$rsegments[$method_segment + 1])) {
// Set arguments
self::$arguments = array_slice(self::$rsegments, $method_segment + 1);
}
}
// Last chance to set routing before a 404 is triggered
Event::run('system.post_routing');
if (self::$controller === NULL) {
// No controller was found, so no page can be rendered
Event::run('system.404');
}
}
