page={}

function getsize(node)

end

function strip(s)
	return string.gsub(string.gsub(s,"^%s+",""),"%s+$","")
end

function copy(tab)
	if not tab then return end
	local t={}
	for k,v in pairs(tab) do
		if type(v) ~="table" then t[k]=v else t[k] = table.copy(v) end
	end
	return t
end

function parse(xmlPage)
	local t = {}

	for k,v in ipairs(xmlPage) do
		if type(v)=="table" then
			local data = copy(v.xarg)
			if data then
				data.pos=nil
				data.size=nil
			end

			t[#t+1] = layout.new(v.label,
								 v["pos"],
								 v["size"] or getsize(v),
								 data,
								 parse(v))
		else
			v = strip(v)

			t[#t+1] = layout.new("text",layout.nextpos(),{x=1,y=1},{},v)
		end
	end

	return t
end

function page.load(url)
	print("Loading '" .. url .. "'.")
	local proto,rest = string.gmatch(url,"(%a-)://(.+)")()

	local xmlPage = xml.parse(protocols[proto].load(rest))
	xmlPage=xmlPage[1]

	return parse(xmlPage)
end