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