S2OJ/web/app/models/Route.php

101 lines
2.7 KiB
PHP
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2016-07-18 16:39:37 +00:00
<?php
class Route {
protected static $routes = array();
protected static $patterns = array();
protected static $groupStack = array(array());
public static function match($methods, $uri, $action) {
return self::addRoute(array_map('strtoupper', (array)$methods), $uri, $action);
}
public static function any($uri, $action) {
return self::addRoute(array('GET', 'HEAD', 'POST', 'PUT', 'PATCH', 'DELETE'), $uri, $action);
}
public static function get($uri, $action) {
return self::addRoute(['GET', 'HEAD'], $uri, $action);
}
public static function post($uri, $action) {
return self::addRoute('POST', $uri, $action);
}
public static function put($uri, $action) {
return self::addRoute('PUT', $uri, $action);
}
public static function patch($uri, $action) {
return self::addRoute('PATCH', $uri, $action);
}
public static function delete($uri, $action) {
return self::addRoute('DELETE', $uri, $action);
}
public static function group(array $attributes, Closure $callback) {
self::$groupStack[] = array_merge(self::getGroup(), $attributes);
call_user_func($callback);
array_pop(self::$groupStack);
}
public static function getGroup() {
return self::$groupStack[count(self::$groupStack) - 1];
}
public static function pattern($name, $pat) {
self::$patterns[$name] = $pat;
}
public static function dispatch() {
foreach (self::$routes as $route) {
if (self::checkRoute($route)) {
return $route;
}
}
become404Page();
}
protected static function addRoute($methods, $uri, $action) {
if (is_string($methods)) {
$methods = [$methods];
}
$cur = array();
$cur['methods'] = $methods;
$cur['uri'] = rtrim($uri, '/');
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$cur['action'] = $action;
$cur = array_merge(self::getGroup(), $cur);
self::$routes[] = $cur;
return $cur;
}
protected static function checkRoute($route) {
if (!in_array(UOJContext::requestMethod(), $route['methods'])) {
return false;
}
$rep_arr = array();
foreach (self::$patterns as $name => $pat) {
$rep_arr['{'.$name.'}'] = "(?P<$name>$pat)";
}
$rep_arr['/'] = '\/';
$rep_arr['.'] = '\.';
$matches = array();
if (isset($route['domain'])) {
$domain_pat = strtr($route['domain'], $rep_arr);
if (!preg_match('/^'.$domain_pat.'$/', UOJContext::httpHost(), $domain_matches)) {
return false;
}
$matches = array_merge($matches, $domain_matches);
}
$uri_pat = strtr($route['uri'], $rep_arr);
if (!preg_match('/^'.$uri_pat.'$/', rtrim(UOJContext::requestPath(), '/'), $uri_matches)) {
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return false;
}
$matches = array_merge($matches, $uri_matches);
foreach ($matches as $key => $val) {
if (!is_numeric($key)) {
$_GET[$key] = $val;
}
}
return true;
}
}