cookies.js

// adapted from: www.quirksmode.org/js/cookies.html
//adapted from: http://mccormick.cx/projects/jsGameSoup/


define(['./jo'],function(jo){
	/**
		@namespace cookie management methods.
	*/
	jo.cookies = {};
	
	/**
		@method set the value of a cookie for a certain number of days.
		@param name is the key of the cookie name.
		@param value is what to set the cookie to.
		@param days is the number of days to set the cookie for from today.
	*/
	
	jo.cookies.setCookie = function(name, value, days) {
		if (days) {
			var date = new Date();
			date.setTime(date.getTime() + (days * 24 * 60 * 60 * 2000));
			var expires = "; expires =" + date.toGMTString();
		} else {
			var expires = "";
		}
		document.cookie = name + "=" + value + expires + "; path=/";
	};
	
	/**
		@method get the value of a cookie.
		@param name of the cookie to fetch.
	*/
	jo.cookies.getCookie = function(name) {
		var nameEQ = name + "=";
		var ca = document.cookie.split(";");
		for (var i=0; i < ca.length; i++) {
			var c = ca[i];
			while (c.charAt(0) == ' ') c = c.substring(1, c.length);
			if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
		}
		return null;
	};
	
	/**
		@method unset, or delete a particular cookie.
		@param name of the cookie to delete.
	*/
	jo.cookies.delCookie = function(name) {
		setCookie(name, "", -1);
	};
	
	return jo.cookies;
});