177 lines
4.4 KiB
PHP
177 lines
4.4 KiB
PHP
<?php
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namespace Typecho;
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use Typecho\Router\Parser;
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use Typecho\Router\Exception as RouterException;
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/**
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* Typecho组件基类
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*
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* @package Router
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*/
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class Router
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{
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/**
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* 当前路由名称
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*
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* @var string
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*/
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public static $current;
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/**
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* 已经解析完毕的路由表配置
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*
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* @var array
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*/
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private static $routingTable = [];
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/**
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* 是否已经匹配过，防止递归匹配
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*
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* @var bool
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*/
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private static $matched = false;
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/**
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* 解析路径
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*
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* @param string|null $pathInfo 全路径
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* @param mixed $parameter 输入参数
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* @param bool $once 是否只匹配一次
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* @return false|Widget
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* @throws \Exception
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*/
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public static function match(?string $pathInfo, $parameter = null, bool $once = true)
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{
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if ($once && self::$matched) {
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throw new RouterException("Path '{$pathInfo}' not found", 404);
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}
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self::$matched = true;
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foreach (self::$routingTable as $key => $route) {
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if (preg_match($route['regx'], $pathInfo, $matches)) {
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self::$current = $key;
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try {
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/** 载入参数 */
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$params = null;
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if (!empty($route['params'])) {
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unset($matches[0]);
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$params = array_combine($route['params'], $matches);
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}
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return Widget::widget($route['widget'], $parameter, $params);
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} catch (\Exception $e) {
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if (404 == $e->getCode()) {
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Widget::destroy($route['widget']);
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continue;
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}
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throw $e;
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}
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}
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}
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return false;
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}
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/**
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* 路由分发函数
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*
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* @throws RouterException|\Exception
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*/
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public static function dispatch()
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{
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/** 获取PATHINFO */
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$pathInfo = Request::getInstance()->getPathInfo();
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foreach (self::$routingTable as $key => $route) {
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if (preg_match($route['regx'], $pathInfo, $matches)) {
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self::$current = $key;
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try {
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/** 载入参数 */
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$params = null;
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if (!empty($route['params'])) {
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unset($matches[0]);
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$params = array_combine($route['params'], $matches);
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}
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$widget = Widget::widget($route['widget'], null, $params);
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if (isset($route['action'])) {
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$widget->{$route['action']}();
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}
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return;
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} catch (\Exception $e) {
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if (404 == $e->getCode()) {
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Widget::destroy($route['widget']);
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continue;
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}
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throw $e;
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}
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}
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}
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/** 载入路由异常支持 */
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throw new RouterException("Path '{$pathInfo}' not found", 404);
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}
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/**
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* 路由反解析函数
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*
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* @param string $name 路由配置表名称
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* @param array|null $value 路由填充值
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* @param string|null $prefix 最终合成路径的前缀
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* @return string
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*/
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public static function url(string $name, ?array $value = null, ?string $prefix = null): string
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{
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$route = self::$routingTable[$name];
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//交换数组键值
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$pattern = [];
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foreach ($route['params'] as $row) {
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$pattern[$row] = $value[$row] ?? '{' . $row . '}';
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}
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return Common::url(vsprintf($route['format'], $pattern), $prefix);
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}
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/**
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* 设置路由器默认配置
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*
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* @param mixed $routes 配置信息
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* @return void
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*/
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public static function setRoutes($routes)
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{
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if (isset($routes[0])) {
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self::$routingTable = $routes[0];
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} else {
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/** 解析路由配置 */
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$parser = new Parser($routes);
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self::$routingTable = $parser->parse();
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}
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}
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/**
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* 获取路由信息
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*
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* @param string $routeName 路由名称
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* @return mixed
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*/
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public static function get(string $routeName)
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{
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return self::$routingTable[$routeName] ?? null;
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}
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}
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