-- Calculates the width of the span box for [[Template:Flaglist]]

-- based on the specified image size



local p = {}



function p.luawidth(size)

	--For use within Lua

	local w

	if string.find(size,"^%d+x%d+px$") then -- width and height (eg. 20x10px)

		-- use specified width

		w = tonumber(string.match(size,"(%d+)x%d+px")) + 2 -- (2px for borders)

	elseif string.find(size,"^%d+px$") then -- width only (eg. 20px)

		-- use specified width

		w = tonumber(string.match(size,"(%d+)px")) + 2

	elseif string.find(size,"^x%d+px$") then -- height only (eg. x10px)

		-- assume a width based on the height

		local h = tonumber(string.match(size,"x(%d+)px"))

		w = h * 2.2

		w = math.floor(w+0.5) -- round to integer

	else -- empty or invalid input

		w = 25 -- default width for flagicons including borders

	end

	return tostring(w)

end



function p.width(frame)

	--For external use

	return p.luawidth(frame.args1])

end



return p