/**
* Runs Frank
*/
function run()
{
if (Frank::was_run() !== true) {
$output = Frank::call();
foreach (Frank::middleware() as $middleware) {
if (gettype($middleware) == 'string') {
$middleware = new $middleware();
}
$output = $middleware->call($output);
}
Frank::output($output);
}
}
private static function getInstance()
{
if (self::$instance) {
return self::$instance;
}
return self::$instance = new self();
}
/**
* Adds a middleware to use
*
* @param string or object $middleware
*/
function middleware($middleware)
{
Frank::add_middleware($middleware);
}
/**
* Finds a function to call from a request path
*
* @param string $method Request method
* @param string $request Request path
* @return array Function to call and parameters to call it with
*/
private static function route($method, $request)
{
$params = array('splat' => array(), 'captures' => array());
if (isset(self::$routes[$method][$request])) {
$function = self::$routes[$method][$request];
} elseif (($route = reverse_preg_match_array($request, array_keys(self::$routes[$method]), array('#\\*(/|$)#', '/:[A-Za-z0-9]+/'))) && $route !== false) {
$route = end($route);
// The only different things between the request url and the
// route should be the regex's, so we get them.
$changes = url_diff($request, $route);
$function = self::$routes[$method][$route];
foreach ($changes as $index => $value) {
if (preg_match('/^:/', $index)) {
//Strip leading :
$index = preg_replace('/^:/', '', $index);
$params[$index] = $value;
} elseif ($index == '*') {
$params['splat'][] = $value;
} else {
$params['captures'][] = $value;
}
}
}
if (!isset($function)) {
self::$status = 404;
//We don't want to display headers for command line
if (!defined('STDIN')) {
header("HTTP/1.1 404 Not Found");
}
if (isset(self::$errors['404'])) {
$function = self::$errors['404'];
} else {
$function = create_function('', 'echo "We couldn\'t find that page.";');
}
}
return array($function, $params);
}
/**
* Gets the output from a url
*
* @param string $url path (in Frank) to get the data for
* @param array $options set of options to pass to Frank::exec()
* @param string $method type of request to the server (i.e. get, post, put, delete)
* @return string data the function outputs
*/
private function get_data($url, $options = array(), $method = 'get')
{
Frank::set_request($url);
Frank::set_method($method);
Frank::set_run(true);
Frank::set_status(array(200, array(), false));
$output = Frank::call($options);
foreach (Frank::middleware() as $middleware) {
if (gettype($middleware) == 'string') {
$middleware = new $middleware();
}
$output = $middleware->call($output);
}
return $output[2];
}
