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210 lines
5.0 KiB
210 lines
5.0 KiB
5 years ago
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<?php
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/**
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* Typecho Blog Platform
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*
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* @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
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* @license GNU General Public License 2.0
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* @version $Id: Route.php 107 2008-04-11 07:14:43Z magike.net $
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*/
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/**
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* Typecho组件基类
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*
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* TODO 增加cache缓存
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* @package Router
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*/
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class Typecho_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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* @access public
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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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* @access private
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* @var mixed
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*/
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private static $_routingTable = array();
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/**
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* 全路径
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*
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* @access private
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* @var string
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*/
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private static $_pathInfo = NULL;
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/**
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* 解析路径
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*
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* @access public
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* @param string $pathInfo 全路径
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* @param mixed $parameter 输入参数
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* @return mixed
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* @throws Exception
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*/
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public static function match($pathInfo, $parameter = NULL)
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{
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foreach (self::$_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 = Typecho_Widget::widget($route['widget'], $parameter, $params);
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return $widget;
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} catch (Exception $e) {
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if (404 == $e->getCode()) {
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Typecho_Widget::destory($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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* 设置全路径
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*
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* @access public
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* @param string $pathInfo
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* @return void
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*/
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public static function setPathInfo($pathInfo = '/')
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{
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self::$_pathInfo = $pathInfo;
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}
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/**
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* 获取全路径
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*
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* @access public
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* @return string
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*/
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public static function getPathInfo()
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{
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if (NULL === self::$_pathInfo) {
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self::setPathInfo();
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}
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return self::$_pathInfo;
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}
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/**
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* 路由分发函数
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*
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* @return void
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* @throws Exception
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*/
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public static function dispatch()
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{
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/** 获取PATHINFO */
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$pathInfo = self::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 = Typecho_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 == $e->getCode()) {
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Typecho_Widget::destory($route['widget']);
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continue;
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}
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throw $e;
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}
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}
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}
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/** 载入路由异常支持 */
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throw new Typecho_Router_Exception("Path '{$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 $value 路由填充值
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* @param string $prefix 最终合成路径的前缀
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* @return string
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*/
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public static function url($name, array $value = NULL, $prefix = NULL)
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{
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$route = self::$_routingTable[$name];
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//交换数组键值
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$pattern = array();
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foreach ($route['params'] as $row) {
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$pattern[$row] = isset($value[$row]) ? $value[$row] : '{' . $row . '}';
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}
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return Typecho_Common::url(vsprintf($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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* @access public
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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 Typecho_Router_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 $routeName 路由名称
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* @static
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* @access public
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* @return mixed
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*/
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public static function get($routeName)
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{
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return isset(self::$_routingTable[$routeName]) ? self::$_routingTable[$routeName] : NULL;
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}
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}
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