Parses a url into its different parts.

urlParser.js

var UrlParser = function() {
  this.result = {};
};

UrlParser.prototype.parse = function(url) {
  var urlWithoutScheme = url.split('://')[1];
  var pathStartIndex = urlWithoutScheme.indexOf('/');
  var queryStartIndex = urlWithoutScheme.indexOf('?');
  var hostAndPort;

  if (pathStartIndex > 0) {
    hostAndPort = urlWithoutScheme.split('/')[0];
    var path;
    if (queryStartIndex > 0) {
      path = urlWithoutScheme.slice(pathStartIndex+1, queryStartIndex);
    } else {
      path = urlWithoutScheme.slice(pathStartIndex+1);
    }
    this.parsePath(path);    
  } else {
    hostAndPort = urlWithoutScheme.split('?')[0];
  }

  if (queryStartIndex > 0) {
    var query = urlWithoutScheme.split('?')[1];
    this.parseQuery(query);    
  }

  this.parseHost(hostAndPort);
  this.parsePort(hostAndPort);  

  return this.result;
};

UrlParser.prototype.parseHost = function(hostAndPort) {
  this.result.host = hostAndPort.split(':')[0];
  return this.result.host;
};

UrlParser.prototype.parsePort = function(hostAndPort) {
  var parts = hostAndPort.split(':');
  if (parts.length > 1 && parts[1].length > 0) {
    this.result.port = parseInt(parts[1]);
  }
  return this.result.port;
};

UrlParser.prototype.parsePath = function(path) {
  this.result.pathSegments = path.split('/');
  return this.result.pathSegments;
};

UrlParser.prototype.parseQuery = function(query) {
  this.result.queryParameters = query.split('&');
  return this.result.queryParameters;
};


var parser = new UrlParser();
console.log(parser.parse("http://www.unity.com/index.html?val=abc&tim=lol lol"));
//console.log(parser.parse("http://www.unity.com:8080/api//user?var=20&&tim=40/"));