Genreate Charles Local Mapping Proxy File

charlesLocalMapGenerater.js

#! /usr/bin/env node

var fs = require("fs")
   ,  program = require('commander')
   ,  prompt = require('prompt')
   ,  path = require("path")
   ,  first_root = process.cwd()
   ,  root = process.cwd()
   ,  out_file = 'MapLocal.xml'
   ;


var templateHeader = 
"<?xml version=\'1.0\' encoding=\'UTF-8\' ?>" + "\n" +
"<?charles serialisation-version=\'2.0\' ?>" +"\n" +
"<mapLocal>" +"\n" +
"  <toolEnabled>true</toolEnabled>" +"\n" +
"  <mappings>" +"\n";

// host : cschannel.d3023aqcn.alipay.net
// remotePath: /htdocs/portal/main/status.js 
// localPath: /Users/dqaria/Develop/ali01286856_CP_20140522_cschannel/htdocs/htdocs/portal/main/status.js
function generateXmlTemplate(host, remotePath, localPath) {
	var template = 
"    <mapLocalMapping>" +"\n" +
"      <sourceLocation>" +"\n" +
"        <protocol>http</protocol>" +"\n" +
"        <host>"  + host + "</host>" + "\n" +
"        <port>80</port>" +"\n" +
"        <path>"  + remotePath + "</path>" +"\n" +
"      </sourceLocation>" +"\n" +
"      <dest>"   + localPath +"</dest>" +"\n" +
"      <enabled>true</enabled>" +"\n" +
"      <caseSensitive>true</caseSensitive>" +"\n" +
"    </mapLocalMapping>" +"\n";

	return template;
}

var templateFooter =
 "  </mappings>" +"\n" +
"</mapLocal>"+"\n";

program
	.version('0.1')
	.option('-g --generate', 'generate MapLocal.xml File')
	.parse(process.argv);

prompt.start();

console.log("Hello wolrd! Please make sure your current working directory is " + root);
prompt.get(['host', 'directory'], function(err, result) {
	console.log("Great! Wait for a second and I will generate this great file for you!");

	var text = templateHeader + getFiles(result.host, root + '/' + result.directory) + templateFooter;

	writeFile(root + "/" + out_file, text );
})

// getFiles output an array
function getFiles(host, root) {
		var res = [], files = fs.readdirSync(root);
		files.forEach(function(file) {
			var pathname = root + '/' + file
			   ,  regex = new RegExp(first_root)
			   ,  remoatePath = pathname.replace(regex, "")
			   ,  lstat = fs.lstatSync(pathname)
			   ,  extname = path.extname(pathname)
			   ;
			if(!lstat.isDirectory() ) {

				if( extname.length > 0 ) res.push(generateXmlTemplate(host , remoatePath,  pathname)); // remove .DS_Store file

			} else {
				res = res.concat(getFiles(host, pathname));
			}
		});
		return res;
}

function writeFile( file_path, text ) {
	fs.writeFile(file_path , text , 'utf8', function(e) {
		if(e) {
			console.log("fail, Please check!");
		} else {
			console.log("done, check " + root + "/MapLocal.xml!");
		}
	});
}