eyeofmidas.com/htdocs/js/InputParser.js

if(MIDAS == undefined) {
	var MIDAS = {};
}
MIDAS.InputParser = function() {
	var self = this;
	this.parse = function(string, commands) {

		var words = string.split(" ");
		var command = words[0];
		if (!isValidCommand(command, commands)) {
			return {"error": true, "errorMessage":string};
		}

		var data = words.splice(1);
		var result = {
			"command":command
			,"data":data
		};
		return result;
	};

	function isValidCommand(command, commands) {
		for(var i = 0; i < commands.length; i++) {
			if(command == commands[i]) {
				return true;
			}
		}
		return false;
	};
};