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2017-01-15T15:30:32Z

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local p = {}

--[==[
Remap some "valid" language codes that are still unknown, but are known by another code
in order to get a visible language name (and if possible, BCP47 conformance)!
--]==]
local remappedLanguages = {
['als'] = 'gsw', -- legacy broken codes (but known) to changed new code (also known, but conforming to BCP47)
['bat-smg'] = 'sgs', -- same remark
['be-x-old'] = 'be-tarask', -- same remark
['bh'] = 'bho', -- same remark
['bu'] = 'my', -- same remark
['fiu-vro'] = 'vro', -- same remark
['nrm'] = 'nrf', -- same remark (usage of 'nrm' on Wikimedia for Norman conflicts with the standard 'nrm' which actually refers to an unrelated language)
['simple'] = 'en', -- same remark
['zh-classical'] = 'lzh', -- same remark
['zh-min-nan'] = 'nan', -- same remark
['zh-wuu'] = 'wuu', -- same remark
['zh-yue'] = 'yue', -- same remark

['en-us'] = 'en', -- both codes are conforming and supported, only the second one is known
['fa-af'] = 'fa', -- both codes are conforming and supported, only the second one is known, actually means "Eastern Dari"
['fr-x-galo'] = 'fr', -- both codes are conforming and supported, only the second one is known
['ha-latn'] = 'ha', -- both codes are conforming and supported, only the second one is known, the Latin script is the default since the 1950's.
['ha-arab'] = 'ha', -- both codes are conforming and supported, only the second one is known, the Arabic script is historic, without clear orthography
['ko-kr'] = 'ko', -- both codes are conforming and supported, only the second one is known
['ku-latn'] = 'ku', -- both codes are conforming and supported, only the second one is known, the Latin script is the default since the 1950's.
['ku-cyrl'] = 'ku', -- both codes are conforming and supported, only the second one is known, the Cyrillic script is still used
['no'] = 'nb', -- both codes are conforming and supported, but the 1st one is now used only for meaning the second one in MediaWiki
['prd'] = 'fa', -- both codes are conforming and supported, only the second one is known, prd is "Parsi-Dari"
['tgl'] = 'tl', -- both codes are conforming and supported, only the second one is known

['sr-cyrl'] = 'sr-ec', -- this alternate known code is non-standard and in fact not supported, but has a correct native name
['sr-latn'] = 'sr-el', -- same remark
}

-- kind is either 'deprecated' or 'unsupported'
local function addTracking(descriptions, kind)
local categorize
if kind == 'deprecated' then
categorize = ' using deprecated language codes'
else
categorize = ' using unsupported language codes'
end
table.insert(descriptions, '[[Category:Multilingual descriptions' .. categorize .. ']]')
end

local sortedKnownLanguageTags = require('Module:Multilingual description/sort')
local dir = require('Module:Dir').select
local function addDescription(descriptions, lang, description, update)
if type(description) == 'string' then
description = mw.text.trim(description)
if description:len() > 0 then
table.insert(descriptions, mw.getCurrentFrame():expandTemplate{
title = 'Ls',
args = {
lang,
description,
dir = dir(lang, 'rtl', 'ltr'),
classes = 'description',
update = update
}
})
end
end
end

local function _mld(args)
-- Shallow copy of arguments (because keys in args cannot be unset if args is hollow, in a parent frame outside Lua)
-- DO NOT copy the metatable that exposes only a *read-only* interface with accessors to PHP arrays (mw.clone does NOT work)!
local descriptions = {}
for lang, description in pairs(args) do
if type(lang) == 'string' and type(description) == 'string' then
-- MediaWiki trims the names of named argument and their values, but does not remove HTML comments in these names
-- (some Mld contain parameters like "| sk  = ...")
lang = lang:gsub('<!%-%-.-%-%->', ''):gsub('^%s*(.-)%s*$','%1')
descriptions[lang] = description
end
end
args = descriptions
descriptions = {}
local remapped = false
for cur, alt in pairs(remappedLanguages) do
if args[cur] and not(mw.language.isSupportedLanguage(cur) and mw.language.isKnownLanguageTag(cur))
and (mw.language.isSupportedLanguage(alt) and mw.language.isKnownLanguageTag(alt)) then
remapped = true
if args[alt] == nil then -- only if this does not conflict
args[alt] = args[cur] -- set key for alternate known language
end
args[cur] = nil -- unset the standard unknown key
end
end
-- First all known languages in order if they have description
for _, lang in ipairs(sortedKnownLanguageTags) do
if args[lang] ~= nil then
addDescription(descriptions, lang, args[lang], nil)
args[lang] = nil
end
end
-- Append other unknown languages, but only if they are supported
local unsupported = false
for lang, description in pairs(args) do
if mw.language.isSupportedLanguage(lang) then
addDescription(descriptions, lang, description, nil)
else
addDescription(descriptions, lang, description, lang)
unsupported = true
end
end
if remapped then
addTracking(descriptions, 'deprecated')
end
if unsupported then
addTracking(descriptions, 'unsupported')
end
--mw.logObject(descriptions)
return table.concat(descriptions)
end

function p.mld(frame)
local args = (frame:getParent() or {}).args or {}
return _mld(args)
end

setmetatable(p, {quickTests = function()
local input = {
[1] = 'One?', -- discarded
unsupported = 'What?', -- unsupported
en = ' ', -- empty description after trimming (discarded)
als = 'GSW', -- will be remapped
['en-gb'] = 'EN-GB ', -- trimming at end
['en-ca'] = 'EN-CA <nowiki/>',
de = ' DE', -- trimming at start
fr = ' FR ', -- trimming both ends
rue = 'RUE',
ru = 'RU',
ko = 'KO',
ja = 'JA',
zh = 'ZH',
he = 'HE',
ur = 'UR',
ar = 'AR',
ro = 'RO',
['be-tarask'] = 'BE-TARASK',
dv = 'DV',
}
local expect = {}
--[=[
This is the exact order to expect according to native language names,
and after discarding empty descriptions or unsupported language codes.
--]=]
addDescription(expect, 'gsw', 'GSW') --[[Alemannisch]] -- remapped
addDescription(expect, 'en-gb', 'EN-GB') --[[British English]]
addDescription(expect, 'en-ca', 'EN-CA <nowiki/>') --[[Canadian English]]
addDescription(expect, 'de', 'DE') --[[Deutsch]]
addDescription(expect, 'fr', 'FR') --[[français]]
addDescription(expect, 'ro', 'RO') --[[română]]
addDescription(expect, 'be-tarask', 'BE-TARASK') --[[беларуская (тарашкевіца)]]
addDescription(expect, 'rue', 'RUE') --[[русиньскый]]
addDescription(expect, 'ru', 'RU') --[[русский]]
addDescription(expect, 'ko', 'KO') --[[한국어]]
addDescription(expect, 'ja', 'JA') --[[日本語]]
addDescription(expect, 'zh', 'ZH') --[[中文]]
addDescription(expect, 'he', 'HE') --[[עברית]]
addDescription(expect, 'ur', 'UR') --[[اردو]]
addDescription(expect, 'ar', 'AR') --[[العربية]]
addDescription(expect, 'dv', 'DV') --[[ދިވެހިބަސް]]
addDescription(expect, 'unsupported', 'What?', 'unsupported')
addTracking(expect, 'deprecated')
addTracking(expect, 'unsupported')
expect = table.concat(expect)
local actual = _mld(input)
if (actual ~= expect) then
mw.log('expect:\n' .. expect)
mw.log('actual:\n' .. actual)
return false
end
return true
end})
--[==[ Type this to run tests in the Lua console:
=getmetatable(p).quickTests() -- should return true
--]==]
return p

Module:Multilingual description - Revision history

PhilmacFLy: 1 revision imported