add cli mode

var/CLI.php

@@ -0,0 +1,117 @@
+<?php
+
+/**
+ * 此类主要帮助用户在命令行界面对博客进行管理
+ *
+ * @package Helper
+ * @author joyqi
+ * @version 1.0.0
+ * @link http://typecho.org
+ */
+class CLI
+{
+    /**
+     * @var array
+     */
+    private $_args = [];
+
+    /**
+     * @var array
+     */
+    private $_definition = [];
+
+    /**
+     * @var string
+     */
+    private $_help = "Usage: php index.php [options] [--] [args...]\n";
+
+    /**
+     * CLI constructor.
+     */
+    public function __construct()
+    {
+        $this->_definition = [
+            'h'             =>  [_t('帮助信息')],
+            'v'             =>  [_t('获取版本信息')],
+            'e'             =>  [_t('导出数据')],
+            'i'             =>  [_t('导入数据')],
+            'with-theme'    =>  [_t('导出时包含现有主题')],
+            'with-plugins'  =>  [_t('导出时包含插件及配置')]
+        ];
+
+        $this->parseArgs();
+        $this->parseDefinition();
+
+        switch (true) {
+            case !empty($this->_args['v']):
+                $this->handleVersion();
+                break;
+            case !empty($this->_args['h']):
+            default:
+                echo $this->_help;
+                break;
+        }
+    }
+
+    /**
+     * 获取版本信息
+     */
+    private function handleVersion()
+    {
+        echo 'Typecho ' . Typecho_Common::VERSION . "\n";
+        echo 'PHP ' . phpversion() . "\n";
+        echo Typecho_Db::get()->getVersion() . "\n";
+    }
+
+    /**
+     * 解析帮助信息
+     */
+    private function parseDefinition()
+    {
+        $splitted = false;
+
+        foreach ($this->_definition as $key => $val) {
+            $placeholder = isset($val[1]) ? " <{$val[1]}>" : '';
+            $prefix = strlen($key) > 1 ? '--' : '-';
+
+            if ($prefix == '--' && !$splitted) {
+                $this->_help .= "\n";
+                $splitted = true;
+            }
+
+            $this->_help .= "\n   " . str_pad($prefix . $key . $placeholder, 28, ' ', STR_PAD_RIGHT) . $val[0];
+        }
+
+        $this->_help .= "\n\n";
+    }
+
+    /**
+     * 解析命令行参数
+     */
+    private function parseArgs()
+    {
+        global $argv;
+
+        if ($argv[0] == $_SERVER['PHP_SELF']) {
+            array_shift($argv);
+        }
+
+        $last = NULL;
+
+        foreach ($argv as $arg) {
+            if (preg_match("/^\-\-([_a-z0-9-]+)(=(.+))?$/i", $arg, $matches)) {
+                $last = $matches[1];
+                $val = isset($matches[3]) ? $matches[3] : true;
+
+                $this->_args[$last] = $val;
+            } else if (preg_match("/^\-([a-z0-9])(.*)$/i", $arg, $matches)) {
+                $last = $matches[1];
+                $val = $matches[2];
+
+                $this->_args[$last] = strlen($val) == 0 ? true : $val;
+            } else if (!empty($last)) {
+                $this->_args[$last] = $arg;
+            }
+        }
+    }
+}

var/Typecho/Request.php

@@ -220,7 +220,7 @@ class Typecho_Request
         if (empty(self::$_urlPrefix)) {
             if (defined('__TYPECHO_URL_PREFIX__')) {
                 self::$_urlPrefix == __TYPECHO_URL_PREFIX__;
-            } else {
+            } else if (!defined('__TYPECHO_CLI__')) {
                 self::$_urlPrefix = (self::isSecure() ? 'https' : 'http') . '://' 
                     . (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_SERVER['SERVER_NAME']);
             }

var/Widget/Init.php

@@ -23,6 +23,10 @@ class Widget_Init extends Typecho_Widget
      */
     public function execute()
     {
+        if (php_sapi_name() == 'cli') {
+            define('__TYPECHO_CLI__', true);
+        }
+
         /** 对变量赋值 */
         $options = $this->widget('Widget_Options');
 
@@ -32,6 +36,12 @@ class Widget_Init extends Typecho_Widget
             Typecho_I18n::setLang($dir . '/' . $options->lang . '.mo');
         }
 
+        /** 进入命令行格式 */
+        if (defined('__TYPECHO_CLI__')) {
+            new CLI();
+            exit(0);
+        }
+
         /** cookie初始化 */
         Typecho_Cookie::setPrefix($options->rootUrl);