[PHP] Routing-System

<?php


namespace iExit;


class Route {
	private $route;
	private $callback;
	private $post = false;

	private $matches = 0;
	private $integers = 0;
	private $strings = 0;
	private $params = [];

	public function __construct($route, $callback, $post = false) {
		$this->route = $route;
		$this->post = $post;

		if(is_callable($callback)) 
			$this->callback = $callback;

	}

	public function matches($i) {
		$this->matches += $i;
	}

	public function addInteger($i) {
		$this->integers += $i;
	}

	public function getMatches() {
		return $this->matches;
	}

	public function addString($i) {
		$this->strings += $i;
	}

	public function getRoute() {
		return $this->route;
	}

	public function isPostable() {
		return $this->post;
	}

	public function getCallback() {
		return $this->callback;
	}

	public function addParam($name, $value) {
		$this->params[$name] = $value;
	}

	public function getParams() {
		return $this->params;
	}
}

<?php


namespace iExit;


class RouteHandler {
	private $routes = [];

	public function add(Route $route) {
		if(!in_array($route->getRoute(), $this->routes)) 
			$this->routes[] = $route;
	}

	public function get($path, $callback) {
		$routeHandlerResult = new RouteHandlerResult();

		foreach($this->routes as $route) {
			if($route->getRoute() == $path) 
				return $this->prepareRoute($route, $callback, $routeHandlerResult);

			$givenRoute = $this->explodeRoute($path);
			$currentRoute = $this->explodeRoute($route->getRoute());

			if(count($givenRoute) == count($currentRoute)) {
				for($i = 0; $i < count($givenRoute); $i++) {
					if($currentRoute[$i] != '') {
						if(substr($currentRoute[$i], 0, 1) == '@') {
							$explodedArea =  explode(':', $currentRoute[$i]);
							switch(strtolower(str_replace('@', '', $explodedArea[0]))) {
								case 'int':
								case 'integer':
									if(ctype_digit($givenRoute[$i])) {
										$route->addParam($explodedArea[1], $givenRoute[$i]);
										$route->addInteger(1);
										$route->matches(1);
									}
									break;

								case 'str':
								case 'string':
									if(!ctype_digit($givenRoute[$i])) {
										$route->addParam($explodedArea[1], $givenRoute[$i]);
										$route->addString(1);
										$route->matches(1);
									}
									break;
							}
						} else {
							if($givenRoute[$i] == $currentRoute[$i]) 
								$route->matches(1);
						}
					}
				}

				if($route->getMatches() == (count($givenRoute) - 1)) 
					$this->prepareRoute($route, $callback, $routeHandlerResult);
			}
		}				
	}

	private function explodeRoute($path) {
		return explode('/', $path);
	}


	public function prepareRoute(Route $route, $callback, RouteHandlerResult $rhr) {
		if($route->isPostable() == false && count($_POST) > 0) 
			$rhr->setResult(RouteHandlerResult::ACCESS_DENIED);
		else 
			$rhr->setResult(RouteHandlerResult::ACCESSABLE);


		$rhr->setRoute($route);
		return $callback($rhr);
	}
}

<?php


namespace iExit;


class RouteHandlerResult {
	const ACCESSABLE = 'ACCESSABLE';
	const NOT_FOUND = 'NOT_FOUND';
	const ACCESS_DENIED = 'ACCESS_DENIED';

	private $result = 'ACCESS_DENIED';
	private $route;

	public function setResult($result) {
		if($result == RouteHandlerResult::ACCESSABLE || $result == RouteHandlerResult::NOT_FOUND || $result == RouteHandlerResult::ACCESS_DENIED)
			$this->result = $result;
	}

	public function getRouteResult() {
		return $this->result;
	}

	public function setRoute(Route $route) {
		$this->route = $route;
	}

	public function getRoute() {
		return $this->route;
	}
}

<?php


error_reporting(E_ALL);
ini_set('display_errors', 1);


require_once 'lib/RouteHandler.php';
require_once 'lib/Route.php';
require_once 'lib/RouteHandlerResult.php';


$routeHandler = new iExit\RouteHandler();


$routeHandler->add(new iExit\Route('/test', function() {
	echo 'testRoute';
}, true));


$routeHandler->add(new iExit\Route('/test/@int:Zahl1/@int:Zahl2', function($param) {
	echo $param['Zahl1'].' plus '.$param['Zahl2']. ' ergibt: '.($param['Zahl1']+$param['Zahl2']);
}, true));


$routeHandler->get(rtrim($_GET['p'], '/'), (function(iExit\RouteHandlerResult $rhr) {
	switch($rhr->getRouteResult()) {
		case iExit\RouteHandlerResult::ACCESSABLE:
			$callback = $rhr->getRoute()->getCallback();
			$callback($rhr->getRoute()->getParams());
			break;

		case iExit\RouteHandlerResult::NOT_FOUND:
			break;

		case iExit\RouteHandlerResult::ACCESS_DENIED:

			break;
	}
}));