初步实现edit功能

fun/commandline.js

@@ -4,6 +4,7 @@
  */
 var shell = require('../lib/shell.js');
 var env = require('./settings.js');
+var exec = require('child_process').exec;
 
 //由app.js传进来的proxy实例
 var proxy;
@@ -143,6 +144,22 @@ shell.command('down', function(args, next){
 		next('groups');
 	});
 }, auto_groups);
+//编辑某个分组,用默认编辑器打开对应的rule文件
+shell.command('edit', function(args, next){
+	if(!args.length){ //必须指定分组名
+		shell.print( '必须指定分组名' );
+		next();
+		return;
+	}
+	if(!env.config.editor){
+		shell.print( '配置文件中没有指定editor' );
+		next();
+		return;
+	}
+	//调用默认编辑器
+	var cmdStr = env.config.editor +' '+ env.getRpath( args[0] );  //editor /path/to/.rule
+	exec(cmdStr, {cwd: env.paths.conf});  //在配置目录下执行编辑命令
+}, auto_groups);
 //查看规则列表
 shell.command('ls', function(args, next){
 	//处理参数args

fun/settings.js

@@ -89,9 +89,15 @@ if(cfilepath){
 	config = readConfigFile(cfilepath);
 	//用命令行参数覆盖configfile的设置
 	if( options.port ) config.port = options.port;
+	if( options.editor ) config.editor = options.editor;
 }
 paths.configfile = cfilepath;
 
+//用分组名字拼出该.rule文件的完整路径
+exports.getRpath = function( groupname ){
+	return paths.rule +'/'+ groupname +'.rule';
+};
+
 exports.config = config;
 exports.paths = paths;  //统一文件路径变量
 //console.log( config, paths);