/**
* Attempts to match a route to a request method and URI.
*
* If matched, sets the route's parameters from the regex matches.
*
* @param \xpl\Routing\RouteInterface $route
* @return boolean True if the route matched, otherwise false.
*/
public function matchRoute(RouteInterface $route)
{
if ($route->getMethod() === $this->method) {
if (preg_match('#^/?' . $route->getCompiledUri() . '/?$#i', $this->uri, $params)) {
unset($params[0]);
if (!empty($params)) {
$route->setParams($params);
}
return true;
}
}
return false;
}
/**
* Compiles a route URI path.
*
* Parses the path for tokens and replaces with regex. The matched tokens
* are added to the route as the "$tokens" property. The route then knows
* what to accept as parameters if and when it is matched.
*
* @param \xpl\Routing\RouteInterface $route
*/
public function compile(RouteInterface $route)
{
$uri = $route->getUri();
$tokens = $search = $replace = array();
if (preg_match_all('#\\{(\\w+)\\}(\\?)?#', $uri, $vars)) {
foreach ($vars[1] as $i => $token) {
if (!($regex = $this->tokens->get($token))) {
throw new \InvalidArgumentException("Unknown route token: '{$token}'.");
}
$regex = "/?({$regex})";
if (!empty($vars[2][$i])) {
// Optional parameter
$regex .= '?';
}
$search[] = '/' . $vars[0][$i];
$replace[] = $regex;
$tokens[$token] = $token;
}
$uri = str_replace($search, $replace, $uri);
}
$route->setCompiledUri($uri);
$route->setTokens($tokens);
}
/**
* Returns the callback for a route.
*
* @param \xpl\Routing\RouteInterface $route
* @return callable Route callback.
*/
protected function getRouteCallback(Route $route, Bundle $app)
{
$callback = $route->getAction();
if (is_string($callback) && false !== strpos($callback, '::')) {
list($class, $method) = explode('::', $callback);
$controller = $this->di->resolve($class, $this->request, $this->response, $route, $app);
if ($controller) {
$callback = array($controller, $method);
}
}
return $callback;
}
