cgi.js

var sys = require('sys'),
    http = require('http');

var Request = function() {
    this.method = process.env['REQUEST_METHOD'];
    this.headers = {
        'host': process.env['HTTP_HOST'],
        'user-agent': process.env['HTTP_USER_AGENT']
    };
    this.url = process.env['REQUEST_URI'];
};

var Response = function() {
    var body = false;

    this.writeHead = function() {
	var status = arguments[0];
	var reason = arguments[1];
        var headers = arguments[2];

	if(typeof reason != 'string') {
	    headers = reason;
	    reason = http.STATUS_CODES[arguments[0]] || 'unknown';
	}

	sys.puts('Status: ' + status + ' ' + reason);

	var field, value;
	var keys = Object.keys(headers);
	var isArray = (headers instanceof Array);
	for (var i = 0, l = keys.length; i < l; i++) {
	    var key = keys[i];
	    if (isArray) {
		field = headers[key][0];
		value = headers[key][1];
	    } else {
		field = key;
		value = headers[key];
	    }
	    
            sys.puts(field + ": " + value);
	}
    };

    this.write = function(message) {
        if(!body) {
            body = true;
	    sys.puts("");
	}

	if(message) sys.print(message);
    };

    this.flush = function() {
    };

    this.end = function() {
	this.write.apply(this, arguments);
    };
};

var Server = function(listener, options) {
    var request = new Request();
    var response = new Response();

    this.listen = function() {
        
        listener(request, response);
    };
};

exports.createServer = function(listener, options) {
    return new Server(listener, options);
};

exports.Request = Request;
exports.Response = Response;