मॉड्यूल:Autotranslate

इस मॉड्यूल हेतु प्रलेख मॉड्यूल:Autotranslate/doc पर बनाया जा सकता है

--[[
  __  __           _       _           _         _        _                       _       _       
 |  \/  | ___   __| |_   _| | ___ _   / \  _   _| |_ ___ | |_ _ __ __ _ _ __  ___| | __ _| |_ ___ 
 | |\/| |/ _ \ / _` | | | | |/ _ (_) / _ \| | | | __/ _ \| __| '__/ _` | '_ \/ __| |/ _` | __/ _ \
 | |  | | (_) | (_| | |_| | |  __/_ / ___ \ |_| | || (_) | |_| | | (_| | | | \__ \ | (_| | ||  __/
 |_|  |_|\___/ \__,_|\__,_|_|\___(_)_/   \_\__,_|\__\___/ \__|_|  \__,_|_| |_|___/_|\__,_|\__\___|
 
 Authors and maintainers:
* User:Zolo   - original version
* User:Jarekt 
]]

-- local function to help normalize input arguments
local function normalize_input_args(input_args, output_args)
	for name, value in pairs( input_args ) do 
		if value ~= '' then -- nuke empty strings
			if type(name)=='string' then name=string.lower(name) end -- convert to lower case
			output_args[name] = value
		end
	end
	return output_args
end

-- initialize object to be returned
local p = {}

--[[
autotranslate
 
This function is the core part of the Autotranslate template. 
 
Usage from a template:
{{#invoke:autotranslate|autotranslate|base=|lang= }}
 
Parameters:
  frame.args.base - base page name
  frame.args.lang - desired language (often user's native language)
]]

function p.autotranslate(frame) 
	-- switch to lowercase parameters to make them case independent
	local args = {}
	args = normalize_input_args(frame:getParent().args, args)
	args = normalize_input_args(frame.args, args)
	
	-- get language fallback list
	-- FIXED: Use content language code directly instead of parser function
	if not args.lang or not mw.language.isSupportedLanguage(args.lang) then
		args.lang = mw.language.getContentLanguage():getCode() -- get wiki's content language
	end
	
	local langList = mw.language.getFallbacksFor(args.lang)
	table.insert(langList, 1, args.lang) -- user's language will be the first one to check
	
	-- find base page
	local base = args.base
	args.base = nil -- blank it so it is not passed to language sub-templates
	
	if not base or #base == 0 then
		return '<strong class="error">Base page not provided for autotranslate</strong>'
	end
	
	-- Local function for expanding a template that can be pcall()ed
	local function expandTemplate(title)
		return frame:expandTemplate{ title = title, args = args }
	end
	
	-- find base template language subpage
	local success, res
	for _, language in ipairs(langList) do
		success, res = pcall(expandTemplate, base .. '/' .. language)
		if success then
			break
		end
	end
	
	-- If no translation found, try default
	if not success and args.default then
		success, res = pcall(expandTemplate, args.default)
	end
	
	-- If still no success, try English as final fallback
	if not success then
		success, res = pcall(expandTemplate, base .. '/en')
	end
	
	-- If everything fails, return error message
	if not success then
		local err_msg = string.format(
			'<strong class="error">No fallback page found for autotranslate (base=%s, lang=%s)</strong>', 
			base, 
			args.lang or 'unknown'
		)
		return err_msg
	end
	
	-- If this is the base page being translated
	if mw.title.getCurrentTitle().fullText == base then
		if mw.site.siteName == 'Wikimedia Commons' then
			res = res .. '\n[[Category:Autotranslated templates|' .. base .. ']]'
		end 
	end
	
	return res
end

return p