initial

var/Typecho/Router/Exception.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Typecho\Router;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
+
+use Typecho\Exception as TypechoException;
+
+/**
+ * 路由异常类
+ *
+ * @package Router
+ */
+class Exception extends TypechoException
+{
+}

var/Typecho/Router/ParamsDelegateInterface.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Typecho\Router;
+
+interface ParamsDelegateInterface
+{
+    public function getRouterParam(string $key): string;
+}

var/Typecho/Router/Parser.php

@@ -0,0 +1,115 @@
+<?php
+
+namespace Typecho\Router;
+
+/**
+ * 路由器解析器
+ *
+ * @category typecho
+ * @package Router
+ * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
+ * @license GNU General Public License 2.0
+ */
+class Parser
+{
+    /**
+     * 默认匹配表
+     *
+     * @access private
+     * @var array
+     */
+    private array $defaultRegex;
+
+    /**
+     * 路由器映射表
+     *
+     * @access private
+     * @var array
+     */
+    private array $routingTable;
+
+    /**
+     * 参数表
+     *
+     * @access private
+     * @var array
+     */
+    private array $params;
+
+    /**
+     * 设置路由表
+     *
+     * @access public
+     * @param array $routingTable 路由器映射表
+     */
+    public function __construct(array $routingTable)
+    {
+        $this->routingTable = $routingTable;
+
+        $this->defaultRegex = [
+            'string' => '(.%s)',
+            'char' => '([^/]%s)',
+            'digital' => '([0-9]%s)',
+            'alpha' => '([_0-9a-zA-Z-]%s)',
+            'alphaslash' => '([_0-9a-zA-Z-/]%s)',
+            'split' => '((?:[^/]+/)%s[^/]+)',
+        ];
+    }
+
+    /**
+     * 局部匹配并替换正则字符串
+     *
+     * @access public
+     * @param array $matches 匹配部分
+     * @return string
+     */
+    public function match(array $matches): string
+    {
+        $params = explode(' ', $matches[1]);
+        $paramsNum = count($params);
+        $this->params[] = $params[0];
+
+        if (1 == $paramsNum) {
+            return sprintf($this->defaultRegex['char'], '+');
+        } elseif (2 == $paramsNum) {
+            return sprintf($this->defaultRegex[$params[1]], '+');
+        } elseif (3 == $paramsNum) {
+            return sprintf($this->defaultRegex[$params[1]], $params[2] > 0 ? '{' . $params[2] . '}' : '*');
+        } elseif (4 == $paramsNum) {
+            return sprintf($this->defaultRegex[$params[1]], '{' . $params[2] . ',' . $params[3] . '}');
+        }
+
+        return $matches[0];
+    }
+
+    /**
+     * 解析路由表
+     *
+     * @access public
+     * @return array
+     */
+    public function parse(): array
+    {
+        $result = [];
+
+        foreach ($this->routingTable as $key => $route) {
+            $this->params = [];
+            $route['regx'] = preg_replace_callback(
+                "/%([^%]+)%/",
+                [$this, 'match'],
+                preg_quote(str_replace(['[', ']', ':'], ['%', '%', ' '], $route['url']))
+            );
+
+            /** 处理斜线 */
+            $route['regx'] = rtrim($route['regx'], '/');
+            $route['regx'] = '|^' . $route['regx'] . '[/]?$|';
+
+            $route['format'] = preg_replace("/\[([^\]]+)\]/", "%s", $route['url']);
+            $route['params'] = $this->params;
+
+            $result[$key] = $route;
+        }
+
+        return $result;
+    }
+}