模块:Lan2

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本模块的子页面。

local l = {}
local getArgs

l.fallbackList = {
	['zh'] = {'zh', 'zh-hans', 'zh-hant', 'zh-cn', 'zh-tw', 'zh-hk', 'zh-mo', 'zh-sg', 'zh-my'},
	['zh-hans'] = {'zh-hans', 'zh-cn', 'zh-sg', 'zh-my', 'zh'},
	['zh-hant'] = {'zh-hant','zh-tw', 'zh-hk', 'zh-mo', 'zh'},
	['zh-cn'] = {'zh-cn', 'zh-hans', 'zh-sg', 'zh-my', 'zh'},
	['zh-sg'] = {'zh-sg', 'zh-hans', 'zh-cn', 'zh-my', 'zh'},
	['zh-my'] = {'zh-my', 'zh-hans', 'zh-cn', 'zh-sg', 'zh'},
	['zh-tw'] = {'zh-tw', 'zh-hant', 'zh-hk', 'zh-mo', 'zh'},
	['zh-hk'] = {'zh-hk', 'zh-hant', 'zh-mo', 'zh-tw', 'zh'},
	['zh-mo'] = {'zh-mo', 'zh-hant', 'zh-hk',' zh-tw', 'zh'}
}

function l.extend (target, ...)
	local tabs = {...}
	if not target or not tabs then
		return target or {}
	end
	for i = 1, #tabs do
		if tabs and type(tabs) == 'table' then
			for k, v in pairs(tabs[i]) do
				if type(k) ~= 'number' and v then
					if type(target[k]) == 'table' and type(v) == 'table' then
						target[k] = l.extend(target[k], v)
					else
						target[k] = v
					end
				end
			end
			for k, v in ipairs(tabs[i]) do
				if v then
					target[#target + 1] = v
				end
			end
		else
			break
		end
	end
	return target
end

function l.main(args, lang, fallbackList)
	local userlanguage = lang and lang:lower() or mw.getCurrentFrame():callParserFunction{ name = 'int', args = {'Conversionname'} }
	fallbackList = fallbackList and l.extend(fallbackList, l.fallbackList) or l.fallbackList
	local fallback = fallbackList[userlanguage]
	args = args or {}
	if fallback == nil then
		fallback = fallbackList['def'] or fallbackList['zh'] or l.fallbackList['zh']
	end
	for _,langArgName in ipairs(fallback)  do
		if 	args[langArgName] ~= nil then
			return args[langArgName]
		end
	end
	return ''
end

return l