pathjoin.js

pathjoin.js

function Pathify(str)
{
	if(arguments.length == 2 && arguments[1] instanceof Array)
	{
		var arr = arguments[1];

		for(var i = 0; i < arr.length; i++)
		{
			if(arr[i] instanceof Array)
			{
				str = Pathify(str, arr[i]);
			}
			else
			{
				str += "/" + arr[i] + "/";
			}
		}
	}
	else
	{
		for(var i = 1; i < arguments.length; i++)
		{
			if(arguments[i] instanceof Array)
			{
				str = Pathify(str, arguments[i]);
			}
			else
			{
				str += "/" + arguments[i] + "/";
			}
		}
	}
	//if(typeof(str)!="string") str="";
	var Proto = str.match(/^([^:]+):\/\/(.*)/);
	if(Proto)
		str = Proto[2];

	var PathSegments = str.split(/\/+/g);

	for(var i = 1; i < PathSegments.length; i++)
	{
		if(/^\.\.$/.test(PathSegments[i]))
		{
			PathSegments.splice(i - 1, 2);
			i--;
		}
		else if(/^\.$/.test(PathSegments[i]))
		{
			PathSegments.splice(i, 1);
			i--;
		}
	}

	return (Proto ? Proto[1] + "://" : "") + PathSegments.join("/");
}