יחידה:פרמטרים

---

function foo(frame)
	local ans = ""
	local pframe = frame:getParent()
	local empty = false
	local start = true
	local numbered = 0
	local mustnum = tonumber(frame.args[1])
	for k, v in pairs( pframe.args ) do
		if type( k ) == 'string' then
			ans = checknamed(k, ans, frame)
		else
			numbered = k
			if (k == 1 and mw.text.trim(v) == "" and start) then
				empty = true
			end
		end
		start = false
	end
	if (mustnum < numbered and not (empty and mustnum == 0 and numbered == 1)) then
		ans = out (ans, "צריך מקסימום " .. mustnum .. " פרמטרים, ישנם " .. numbered)
	end
	if (ans == "") then
		return ans
	end
	return "<div class=error> '''שגיאת פרמטרים ב[[" .. pframe:getTitle() .. "]]:<br/>"
	.. ans .. "''' </div>[[קטגוריה:שגיאות פרמטריות]]" 
end

function checknamed(k, ans, frame)
	local i = 2
	while (frame.args[i] ~= nil) do
		if (frame.args[i] == k) then
			return ans
		end
		i = i + 1
	end
	return out(ans, "פרמטר לא ידוע: ''" .. k .. "''")
end

function out(ans, new)
	return ans .. new .. "</br>"
end

return {
	['main'] = foo
}