模組:重庆轨道交通出口标志

local p = {}

function p.main(frame)
	
	local code = frame:getParent().args[1]
	local len = mw.ustring.len(code)
	local seq = {}
	
	if len > 0 and mw.ustring.sub(code, 1, 1) == '*' then
		return '<span style="font-size:12px">' .. mw.ustring.sub(code, 2) .. '</span>'
	end
	
	for i = 1, len do
		local c = mw.ustring.sub(code, i, i)
		local size = 16
		if c == 'Q' then
			size = 17
		end

		table.insert(seq, '[[File:CRT sign black ' .. c .. '.svg|x' .. size .. 'px|' .. c .. '|link=|class=crt-exit-' .. c .. ' notheme]]')
	end
	
	return table.concat(seq)
	
end

return p