laravel/system/router.php
2011-06-15 06:25:44 -07:00

69 lines
2.2 KiB
PHP

<?php namespace System;
class Router {
/**
* All of the loaded routes.
*
* @var array
*/
public static $routes;
/**
* Search a set of routes for the route matching a method and URI.
*
* @param string $method
* @param string $uri
* @return Route
*/
public static function route($method, $uri)
{
// --------------------------------------------------------------
// Force the URI to have a forward slash.
// --------------------------------------------------------------
$uri = ($uri != '/') ? '/'.$uri : $uri;
// --------------------------------------------------------------
// Load the application routes.
// --------------------------------------------------------------
if (is_null(static::$routes))
{
static::$routes = Route\Loader::load($uri);
}
// --------------------------------------------------------------
// Is there an exact match for the request?
// --------------------------------------------------------------
if (isset(static::$routes[$method.' '.$uri]))
{
return new Route(static::$routes[$method.' '.$uri]);
}
// --------------------------------------------------------------
// No exact match... check each route individually.
// --------------------------------------------------------------
foreach (static::$routes as $keys => $callback)
{
// --------------------------------------------------------------
// Only check routes that have multiple URIs or wildcards.
// All other routes would have been caught by a literal match.
// --------------------------------------------------------------
if (strpos($keys, '(') !== false or strpos($keys, ',') !== false )
{
foreach (explode(', ', $keys) as $route)
{
// --------------------------------------------------------------
// Convert the route wild-cards to regular expressions.
// --------------------------------------------------------------
$route = str_replace(':num', '[0-9]+', str_replace(':any', '[a-zA-Z0-9\-_]+', $route));
if (preg_match('#^'.$route.'$#', $method.' '.$uri))
{
return new Route($callback, Route\Parser::parameters($uri, $route));
}
}
}
}
}
}