-- -- INTRO:   (!!! DO NOT RENAME THIS PAGE !!!) --    This module allows any template or module to be copy/pasted between --    wikis without any translation changes. All translation text is stored --    in the global  Data:*.tab  pages on Commons, and used everywhere. -- -- SEE:   https://www.mediawiki.org/wiki/Multilingual_Templates_and_Modules -- -- ATTENTION: --    Please do NOT rename this module - it has to be identical on all wikis. --    This code is maintained at https://www.mediawiki.org/wiki/Module:TNT --    Please do not modify it anywhere else, as it may get copied and override your changes. --    Suggestions can be made at https://www.mediawiki.org/wiki/Module_talk:TNT -- -- DESCRIPTION: --    The "msg" function uses a Commons dataset to translate a message --    with a given key (e.g. source-table), plus optional arguments --    to the wiki markup in the current content language. --    Use lang=xx to set language.  Example: -- --                      -- -- --    The "doc" function will generate the <templatedata> parameter documentation for templates. --    This way all template parameters can be stored and localized in a single Commons dataset. --    NOTE: "doc" assumes that all documentation is located in Data:Templatedata/* on Commons. -- --     --        uses https://commons.wikimedia.org/wiki/Data:Templatedata/Graph:Lines.tab --        if the current page is Template:Graph:Lines/doc --  local p = {} local i18nDataset = 'I18n/Module:TNT.tab'  -- Forward declaration of the local functions local sanitizeDataset, loadData, link, formatMessage  function p.msg(frame) 	local dataset, id 	local params = {} 	local lang = nil 	for k, v in pairs(frame.args) do 		if k == 1 then 			dataset = mw.text.trim(v) 		elseif k == 2 then 			id = mw.text.trim(v) 		elseif type(k) == 'number' then 			params[k - 2] = mw.text.trim(v) 		elseif k == 'lang' and v ~= '_' then 			lang = mw.text.trim(v) 		end 	end 	return formatMessage(dataset, id, params, lang) end  -- Identical to p.msg() above, but used from other lua modules -- Parameters:  name of dataset, message key, optional arguments -- Example with 2 params:  format('I18n/Module:TNT', 'error_bad_msgkey', 'my-key', 'my-dataset') function p.format(dataset, key, ...) 	local checkType = require('libraryUtil').checkType 	checkType('format', 1, dataset, 'string') 	checkType('format', 2, key, 'string') 	return formatMessage(dataset, key, {...}) end  -- Identical to p.msg() above, but used from other lua modules with the language param -- Parameters:  language code, name of dataset, message key, optional arguments -- Example with 2 params:  formatInLanguage('es', I18n/Module:TNT', 'error_bad_msgkey', 'my-key', 'my-dataset') function p.formatInLanguage(lang, dataset, key, ...) 	local checkType = require('libraryUtil').checkType 	checkType('formatInLanguage', 1, lang, 'string') 	checkType('formatInLanguage', 2, dataset, 'string') 	checkType('formatInLanguage', 3, key, 'string') 	return formatMessage(dataset, key, {...}, lang) end  -- Obsolete function that adds a 'c:' prefix to the first param. -- "Sandbox/Sample.tab" -> 'c:Data:Sandbox/Sample.tab' function p.link(frame) 	return link(frame.args[1]) end  function p.doc(frame) 	local dataset = 'Templatedata/' .. sanitizeDataset(frame.args[1]) 	return frame:extensionTag('templatedata', p.getTemplateData(dataset)) .. 		   formatMessage(i18nDataset, 'edit_doc', {link(dataset)}) end  function p.getTemplateData(dataset) 	-- TODO: add '_' parameter once lua starts reindexing properly for "all" languages 	local data = loadData(dataset) 	local names = {} 	for _, field in ipairs(data.schema.fields) do 		table.insert(names, field.name) 	end  	local numOnly = true 	local params = {} 	local paramOrder = {} 	for _, row in ipairs(data.data) do 		local newVal = {} 		local name = nil 		for pos, columnName in ipairs(names) do 			if columnName == 'name' then 				name = row[pos] 			else 				newVal[columnName] = row[pos] 			end 		end 		if name then 			if ( 				(type(name) ~= "number") 				and ( 					(type(name) ~= "string") 					or not string.match(name, "^%d+$") 				) 			) then 				numOnly = false 			end 			params[name] = newVal 			table.insert(paramOrder, name) 		end 	end  	-- Work around json encoding treating {"1":{...}} as an [{...}] 	if numOnly then 		params['zzz123']=	end  	local json = mw.text.jsonEncode({ 		params=params, 		paramOrder=paramOrder, 		description=data.description, 	})  	if numOnly then 		json = string.gsub(json,'"zzz123":"",?', "") 	end  	return json end  -- Local functions  sanitizeDataset = function(dataset) 	if not dataset then 		return nil 	end 	dataset = mw.text.trim(dataset) 	if dataset ==  then 		return nil 	elseif string.sub(dataset,-4) ~= '.tab' then 		return dataset .. '.tab' 	else 		return dataset 	end end  loadData = function(dataset, lang) 	dataset = sanitizeDataset(dataset) 	if not dataset then 		error(formatMessage(i18nDataset, 'error_no_dataset', {})) 	end  	-- Give helpful error to thirdparties who try and copy this module. 	if not mw.ext or not mw.ext.data or not mw.ext.data.get then 		error(string.format(Missing JsonConfig extension, or not properly configured; Cannot load https://commons.wikimedia.org/wiki/Data:%s. See https://www.mediawiki.org/wiki/Extension:JsonConfig#Supporting_Wikimedia_templates, dataset)) 	end  	local data = mw.ext.data.get(dataset, lang)  	if data == false then 		if dataset == i18nDataset then 			-- Prevent cyclical calls 			error('Missing Commons dataset ' .. i18nDataset) 		else 			error(formatMessage(i18nDataset, 'error_bad_dataset', {link(dataset)})) 		end 	end 	return data end  -- Given a dataset name, convert it to a title with the 'commons:data:' prefix link = function(dataset) 	return 'c:Data:' .. mw.text.trim(dataset or '') end  formatMessage = function(dataset, key, params, lang) 	for _, row in pairs(loadData(dataset, lang).data) do 		local id, msg = unpack(row) 		if id == key then 			local result = mw.message.newRawMessage(msg, unpack(params or {})) 			return result:plain() 		end 	end 	if dataset == i18nDataset then 		-- Prevent cyclical calls 		error('Invalid message key "' .. key .. '"') 	else 		error(formatMessage(i18nDataset, 'error_bad_msgkey', {key, link(dataset)})) 	end end  return p