/**
* @param string $dispatcher_dir The directory that the application is running in.
* @param string $base_url The base url that the application is running at.
* @param string $requested_url The url that is being requested relative to the base url.
* @return string Returns the response from a Controller that responded to the requested url.
*/
public static function dispatch($dispatcher_dir, $base_url, $requested_url, $try_with_trailing_slash = true)
{
if ($try_with_trailing_slash) {
self::load();
}
PicoraEvent::notify('PicoraDispatcher.beforeDispatch', $requested_url);
self::$status['current_parameters'] = array_merge($_POST, $_GET);
unset(self::$status['current_parameters'][self::DEFAULT_ROUTE_PARAMETER_NAME]);
self::$status['dispatcher_dir'] = $dispatcher_dir . '/';
self::$status['base_url'] = $base_url;
self::$status['request_url'] = $requested_url;
self::$status['flash_values'] =& $_SESSION[PicoraController::FLASH_SESSION_KEY_NAME]['values'];
foreach (self::$routes as $route => $class_and_method) {
if ($requested_url == $route && ($response = self::tryRoute($route, $class_and_method)) !== false) {
return self::generateResponse($response);
}
if (preg_replace('{([^/]+)}', '*', $route) == preg_replace('{([^/]+)}', '*', $requested_url)) {
preg_match_all('{([^/]+)?}', $route, $route_components);
preg_match_all('{([^/]+)?}', $requested_url, $requested_url_components);
$arguments = array();
foreach ($requested_url_components[0] as $key => $requested_url_component) {
if ($requested_url_component == '') {
continue;
} elseif (strpos($route_components[0][$key], ':') !== false) {
$arguments[substr($route_components[0][$key], 1)] = $requested_url_component;
} elseif ($route_components[0][$key] != $requested_url_component) {
continue 2;
}
}
if (($response = self::tryRoute($route, $class_and_method, $arguments)) !== false) {
return self::generateResponse($response);
}
}
}
if ($try_with_trailing_slash && strlen($requested_url) > 1 && substr($requested_url, 0, -1) != '/' && self::dispatch($dispatcher_dir, $base_url, $requested_url . '/', false)) {
header('HTTP/1.1 301 Moved Permanently');
PicoraController::redirect('http' . ($_SERVER['SERVER_PORT'] == 443 ? 's' : '') . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] . '/');
}
if ($try_with_trailing_slash) {
header('HTTP/1.1 404 Not Found');
$response = self::call(self::$error_handler, array(), array());
foreach (PicoraEvent::getObserverList('PicoraDispatcher.afterDispatch') as $callback) {
call_user_func($callback, $response);
}
return self::generateResponse($response);
}
}
