יחידה:פרמטרים

---

function foo(frame)
	local ans = ""
	local pframe = frame:getParent()
	local template = pframe:getTitle()
	local templatename = template
	if (find1(templatename, "תבנית:") == 1) then
		templatename = sub1(templatename, 7)
	end
	local data = mw.loadData('יחידה:פרמטרים/' .. templatename)
	local numbered = 0
	local mustnum = data[1]
	local parameters = data[2]
	local suggestions = data[3]
	for k, v in pairs( pframe.args ) do
		if type( k ) == 'string' then
			ans = checknamed(k, ans, parameters, suggestions[k])
		else
			if (mw.text.trim(v) ~= "") then
				numbered = k
			end
		end
	end
	if (mustnum < numbered) then
		ans = out (ans, "צריך מקסימום " .. mustnum .. " פרמטרים, ישנם " .. numbered)
	end
	if (ans == "") then
		return ans
	end
	return "<div class=error> '''שגיאת פרמטרים ב[[" .. template .. "]]:<br/>"
	.. ans .. "''' </div>[[קטגוריה:שגיאות פרמטריות]]" 
end

function checknamed(k, ans, parameters, suggestion)
	local i = 2
	local answer
	for p1, p in ipairs(parameters) do
		if p == k then
			return ans
		end
	end
	answer = "פרמטר לא ידוע: ''" .. k .. "''"
	if (suggestion ~= nil) then
		answer = answer .. ", מומלץ " .. suggestion
	end
	return out(ans, answer)
end

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

function sub1(str, from, to)
	return mw.ustring.sub(str, from, to)
end

function find1(str, what, ...)
	local args = ...
	local where = 1
	if (args ~= nil) then
		where = args
	end
	local ans = mw.ustring.find(str, what, where, true)
	if (ans == nil) then
		ans = 0
	end
	return ans
end

function len1(s)
	if (s == nil) then
		return 0
	end
	return mw.ustring.len(s)
end

return {
	['main'] = foo
}