little router and server for node

layout.js

module.exports = function(title, content){
	var zm = require("zm").zm;
	var html = new zm.BaseTag().tag("html");
	var head = new zm.BaseTag().tag("head");
	head.addContent(new zm.BaseTag().tag("link").setAttr("href", "style.css").setAttr("type", "text/css").setAttr("rel","stylesheet"));
	html.addContent(head);
	var body = new zm.BaseTag().tag("body");
	// here is where content is injected
	body.akon(new zm.Div(content).setAttr("id","main"));
	html.akon(body);
	return html;
}

route_get.js

module.exports = function(req,res){
	var url = require("url");
	var RouteRegex = require("./route_regex.js");
	var router = new RouteRegex();
	var fs = require("fs");
	var path = require("path");
	var os = require("os");
	var through = require("through");

	console.log(url.parse(req.url));
	var foo = function (m){
		return "I am a Foo";
	}
	var bar = function(m){
		return "I am a Bar";
	}
	var profile = function(m){
		var name = m[1];
		res.end("<h1> Hello My name is: " + name + " </h1>");
	}
	// respond to css
	router.addRoute("[a-aA-z0-9]{1,50}.css$", function(matches){
		var cssFile = matches[0];
		var pathToCss = process.cwd() + "/" +  cssFile;
		// takes care of os diffs regarding path delimiters and such
		pathToCss = path.normalize(pathToCss);
		console.log(matches);
		console.log("PATH TO CSS");
		console.log(pathToCss)
		var readable = fs.createReadStream(pathToCss);

		var write = function(chunk){
			this.queue(chunk.toString());
			console.log(chunk.toString());
		}
		var end = function(){
			this.queue(null);
		}
		var thru = through(write,end);
		req.on("end",function(){
			res.pipe(readable.pipe(thru)).pipe(res);
			res.end();
		});
		
		
	});

	router.addRoute("/foo$", foo);
	router.addRoute("/bar$", bar);
	router.addRoute("/profile/([a-zA-Z0-9]{1,25})$", profile);
	router.addRoute("/search/$", require("./search_form"));
	router.run(req,res);

	res.end(req.url);
}

route_post.js

module.exports = function(req,res, postArray){
	var url = require('url');
	var RouteRegex = require("./route_regex.js");
	var router = new RouteRegex();
	router.addRoute("/search/([A-Z a-z0-9]+)", require("./search.js"));
	router.run();

}

route_regex.js

module.exports = function(){
	return{
		"urls" : new Array(),
		"addRoute" : function(regex,func){
						this.urls.push([new RegExp(regex), func]);
					},
		"run": function(req,res){
			this.urls.forEach(function(u){
				var matches = [];
				if(matches = req.url.match(u[0])){
				res.end(u[1](matches));
			}
			});
		}
	
	}
}

search_form.js

module.exports = function(matches){
	var zm = require("zm").zm;
	var layout = require("./layout");
	var form = new zm.BaseTag().tag("form").setAttr("action","search").setAttr("method", "post")
		.addContent(new zm.InputText().setAttr("name","q"))
		.addContent(new zm.InputText().setAttr("name","state"))
		.addContent(new zm.InputText().setAttr("name","session").setAttr("value","20132014"))
		.addContent(new zm.InputText().setAttr("type","submit"))

	return layout("search title",form).print();

}

server.js

var http = require("http");
var postObj = require("./postobj.js");
var routeGet = require("./route_get.js");
var routePost = require("./route_post.js");

var server = http.createServer(function(req,res){

	if(req.method == "POST"){
		var str = "";
		req.on("data",function(chunk){
			str += chunk.toString();
		});
		req.on("end",function(){
			if(str){
				var postArray = postObj(str);
				routePost(req,res,postArray);
			}else{
				console.log("nothing was posted");
				res.end("nothing was posted");
			}
		});
	}else if(req.method == "GET"){
		routeGet(req,res);
	}else{
		res.end("METHOD WAS NEITHER GET NOR POST, ADD PUT/DELETE HERE IF YOU NEED IT");
	}


}).listen(3000);

style.css

.red{
	color:red;
}
#main{
	border:5px solid red;
	margin:5em;
	padding:5em;
	background:#fefefe;
}
body{
	background:black;
}