/**
* 获取Router实例
* @return object Router实例
*/
public static function getInstance()
{
if (empty(self::$instance)) {
self::$instance = new self();
}
return self::$instance;
}
static function init()
{
if (!isset(self::$obj)) {
self::$obj = new self();
}
return self::$obj;
}
static function run()
{
$routes = explode('/', $_SERVER['REQUEST_URI']);
if ($control_name = filter_var($routes[1], FILTER_VALIDATE_REGEXP, array("options" => array("regexp" => "/^([a-zA-Z0-9])+\$/")))) {
self::$control = 'control_' . $control_name;
} else {
$control_name = 'index';
self::$control = 'control_index';
}
if ($model_name = filter_var($routes[2], FILTER_VALIDATE_REGEXP, array("options" => array("regexp" => "/^([a-zA-Z0-9])+\$/")))) {
$model_name = $control_name . '_' . $model_name;
} else {
$model_name = $control_name . '_index';
}
$view_name = $model_name . '.view';
$control_path = "engine/controls/" . strtolower(self::$control) . ".php";
if (is_readable($control_path)) {
include_once $control_path;
settype($msg, "string");
} else {
include_once "engine/controls/control_exception.php";
self::$control = "control_Exception";
$model_name = "exception";
$view_name = "exception.view";
$msg = "Route to controller not found";
}
$controller = new self::$control();
$controller->model_name = $model_name;
$controller->view_name = $view_name;
$controller->initmsg = $msg;
if (method_exists($controller, 'init')) {
$controller->init();
}
}
public static function init()
{
if (null !== self::$_instance) {
return self::$_instance;
}
self::$_instance = new self();
return self::$_instance;
}
/**
* Init the router and returns it
*
* @return Router
*/
public static function getInstance()
{
if (self::$_instance === null) {
self::$_instance = new self();
//get the routes
if (is_file(CONFIG_DIR . self::$routeFile) && empty(self::$routes)) {
self::$routes = (include CONFIG_DIR . self::$routeFile);
//sort by lenght of route url
uasort(self::$routes, function ($a, $b) {
return strlen($b['url']) - strlen($a['url']);
});
}
}
return self::$_instance;
}
public static function initialize()
{
self::getInstance();
$controller = APP_PATH . DS . 'controllers' . DS . strtolower(self::replace('controller')) . '.php';
if (file_exists($controller)) {
include_once $controller;
$controller = '\\controller\\' . ucfirst(self::replace('controller'));
if (class_exists($controller, false)) {
if (method_exists($controller, self::replace('method'))) {
if (sizeof(self::$params) == 0) {
call_user_func(array(new $controller(), self::replace('method')));
} else {
call_user_func_array(array(new $controller(), self::replace('method')), self::$params);
}
} else {
if (self::$method != DEFAULT_METHOD) {
$params = array();
if (!in_array(self::$method, self::$params)) {
$params[] = self::$method;
}
self::$method = DEFAULT_METHOD;
self::$params = array_merge($params, self::$params);
return self::initialize();
}
}
}
} else {
if (self::$controller != DEFAULT_CONTROLLER) {
$params = array();
if (self::$controller != DEFAULT_CONTROLLER) {
$params[] = self::$controller;
}
if (self::$method != DEFAULT_METHOD) {
$params[] = self::$method;
}
$method = $params[0];
if (self::$controller == $params[0]) {
array_shift($params);
}
self::$controller = DEFAULT_CONTROLLER;
self::$method = $method;
self::$params = array_merge($params, self::$params);
return self::initialize();
}
}
}
/**
* Показывать или нет статистику выполение скрипта
* Иногда бывает необходимо отключить показ, например, при выводе RSS ленты
*
* @param bool $bState
*/
public static function SetIsShowStats($bState)
{
self::$bShowStats = $bState;
}
/**
* Runs the callback for the given request
*/
public static function dispatch()
{
$uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
$method = $_SERVER['REQUEST_METHOD'];
$searches = array_keys(static::$patterns);
$replaces = array_values(static::$patterns);
self::$routes = str_replace('//', '/', self::$routes);
$found_route = false;
// check if route is defined without regex
if (in_array($uri, self::$routes)) {
$route_pos = array_keys(self::$routes, $uri);
// foreach route position
foreach ($route_pos as $route) {
if (self::$methods[$route] == $method || self::$methods[$route] == 'ANY') {
$found_route = true;
//if route is not an object
if (!is_object(self::$callbacks[$route])) {
//call object controller and method
self::invokeObject(self::$callbacks[$route]);
if (self::$halts) {
return;
}
} else {
//call closure
call_user_func(self::$callbacks[$route]);
if (self::$halts) {
return;
}
}
}
}
// end foreach
} else {
// check if defined with regex
$pos = 0;
// foreach routes
foreach (self::$routes as $route) {
$route = str_replace('//', '/', $route);
if (strpos($route, ':') !== false) {
$route = str_replace($searches, $replaces, $route);
}
if (preg_match('#^' . $route . '$#', $uri, $matched)) {
if (self::$methods[$pos] == $method || self::$methods[$pos] == 'ANY') {
$found_route = true;
//remove $matched[0] as [1] is the first parameter.
array_shift($matched);
if (!is_object(self::$callbacks[$pos])) {
//call object controller and method
self::invokeObject(self::$callbacks[$pos], $matched);
if (self::$halts) {
return;
}
} else {
//call closure
call_user_func_array(self::$callbacks[$pos], $matched);
if (self::$halts) {
return;
}
}
}
}
$pos++;
}
// end foreach
}
if (self::$fallback) {
//call the auto dispatch method
$found_route = self::autoDispatch();
}
// run the error callback if the route was not found
if (!$found_route) {
if (!self::$error_callback) {
self::$error_callback = function () {
header($_SERVER['SERVER_PROTOCOL'] . " 404 Not Found");
echo '404';
};
}
if (!is_object(self::$error_callback)) {
//call object controller and method
self::invokeObject(self::$error_callback, null, 'No routes found.');
if (self::$halts) {
return;
}
} else {
call_user_func(self::$error_callback);
if (self::$halts) {
return;
}
}
}
}
