Modul:Multilingual
Utilities for multilingual texts and ISO 639 (BCP47) issues etc.
Verwendung in anderen Modulen
Dieses Modul ist notwendig für die Ausführung folgender Module. Bei Anpassungen sollte die Funktionstüchtigkeit der folgenden Module geprüft werden. Benutze dazu auch diese Tracking-Kategorie um Fehler zu finden, die sich dann auf Artikel auswirken:
- TemplateData
- Modul benötigt das Modul Multilingual – Wartungskategorie, in der nochmals alle Module gelistet sind, die von diesem Modul abhängig sind.|}}
local Multilingual = { suite = "Multilingual",
serial = "2019-06-01",
item = 47541920 }
local User = { sniffer = "showpreview" }
Multilingual.correction = { -- Frequently mistaken language code
aze = "az",
cz = "cs",
deu = "de",
dk = "da",
["en-UK"] = "en-GB",
["en-uk"] = "en-GB",
eng = "en",
ger = "de",
gr = "el",
["in"] = "id",
iw = "he",
jp = "ja",
lat = "la",
se = "sv",
tj = "tg"
}
Multilingual.exotic = { simple = true,
no = true }
local favorite = function ()
-- Postcondition:
-- Returns code of current project language
if not Multilingual.self then
Multilingual.self = mw.language.getContentLanguage():getCode()
:lower()
end
return Multilingual.self
end -- favorite()
function feasible( ask, accept )
-- Is ask to be supported by application?
-- Precondition:
-- ask -- lowercase code
-- accept -- sequence table, with offered lowercase codes
-- Postcondition:
-- nil, or true
local r
for i = 1, #accept do
if accept[ i ] == ask then
r = true
break -- for i
end
end -- for i
return r
end -- feasible()
local fetch = function ( access, allow, ahead )
-- Attach config or library module
-- Precondition:
-- access -- module title
-- allow -- permit non-existence
-- ahead -- name of startup procedure, if not access;
-- false for mw.loadData
-- Postcondition:
-- Returns table or false, with library
-- Throws error, if not available
if type( Multilingual.ext ) ~= "table" then
Multilingual.ext = { }
end
if Multilingual.ext[ access ] == false then
elseif not Multilingual.ext[ access ] then
local src = "Module:" .. access
local lucky, got
if ahead == false then
lucky, got = pcall( mw.loadData, src )
else
lucky, got = pcall( require, src )
end
Multilingual.ext[ access ] = false
if type( got ) == "table" then
local startup = ahead or access
Multilingual.ext[ access ] = got
if type( got[ startup ] ) == "function" then
Multilingual.ext[ access ] = got[ startup ]()
end
end
if type( Multilingual.ext[ access ] ) ~= "table" and
not allow then
got = string.format( "Module:%s invalid", access )
error( got, 0 )
end
end
return Multilingual.ext[ access ]
end -- fetch()
local function fill( access, alien, frame )
-- Expand language name template
-- Precondition:
-- access -- string, with language code
-- alien -- language code for which to be generated
-- frame -- frame, if available
-- Postcondition:
-- Returns string
local template = Multilingual.tmplLang
local r
if type( template ) ~= "table" then
local cnf = fetch( "Multilingual/config", true, true )
if type( cnf ) == "table" then
template = cnf.tmplLang
end
end
if type( template ) == "table" then
local source = template.title
local f, lucky, s
Multilingual.tmplLang = template
if type( source ) ~= "string" then
if type( template.namePat ) == "string" and
template.namePat:find( "%s", 1, true ) then
source = string.format( template.namePat, access )
end
end
if type( source ) == "string" then
if not Multilingual.frame then
if frame then
Multilingual.frame = frame
else
Multilingual.frame = mw.getCurrentFrame()
end
end
f = function ( a )
return Multilingual.frame:expandTemplate{ title = a }
end
lucky, s = pcall( f, source )
if lucky then
r = s
end
end
end
return r
end -- fill()
function find( ask, alien )
-- Derive language code from name
-- Precondition:
-- ask -- language name, downcased
-- alien -- language code of ask
-- Postcondition:
-- nil, or string
local codes = mw.language.fetchLanguageNames( alien, "all" )
local r
for k, v in pairs( codes ) do
if mw.ustring.lower( v ) == ask then
r = k
break -- for k, v
end
end -- for k, v
if not r then
r = Multilingual.fair( ask )
end
return r
end -- find()
User.favorize = function ( accept, frame )
-- Guess user language
-- Precondition:
-- accept -- sequence table, with offered ISO 639 etc. codes
-- frame -- frame, if available
-- Postcondition:
-- Returns string with best code, or nil
if not ( User.self or User.langs ) then
if not User.trials then
User.tell = mw.message.new( User.sniffer )
if User.tell:exists() then
User.trials = { }
if not Multilingual.frame then
if frame then
Multilingual.frame = frame
else
Multilingual.frame = mw.getCurrentFrame()
end
end
User.sin = Multilingual.frame:callParserFunction( "int",
User.sniffer )
else
User.langs = true
end
end
if User.sin then
local s, sin
for i = 1, #accept do
s = accept[ i ]
if not User.trials[ s ] then
sin = User.tell:inLanguage( s ):plain()
if sin == User.sin then
User.self = s
break -- for i
else
User.trials[ s ] = true
end
end
end -- for i
end
end
return User.self
end -- User.favorize()
Multilingual.fair = function ( ask )
-- Format language specification according to RFC 5646 etc.
-- Precondition:
-- ask -- string or table, as created by .getLang()
-- Postcondition:
-- Returns string, or false
local s = type( ask )
local q, r
if s == "table" then
q = ask
elseif s == "string" then
q = Multilingual.getLang( ask )
end
if q and
q.legal and
mw.language.isKnownLanguageTag( q.base ) then
r = q.base
if q.n > 1 then
local order = { "extlang",
"script",
"region",
"other",
"extension" }
for i = 1, #order do
s = q[ order[ i ] ]
if s then
r = string.format( "%s-%s", r, s )
end
end -- for i
end
end
return r or false
end -- Multilingual.fair()
Multilingual.fallback = function ( able, another )
-- Is another language suitable as replacement?
-- Precondition:
-- able -- language version specifier to be supported
-- another -- language specifier of a possible replacement
-- Postcondition:
-- Returns boolean
local r
if type( able ) == "string" and
type( another ) == "string" then
if able == another then
r = true
else
local s = Multilingual.getBase( able )
if s == another then
r = true
else
local others = mw.language.getFallbacksFor( s )
r = feasible( another, others )
end
end
end
return r or false
end -- Multilingual.fallback()
Multilingual.findCode = function ( ask )
-- Retrieve code of local (current project or English) language name
-- Precondition:
-- ask -- string, with presumable language name
-- A code itself will be identified, too.
-- Postcondition:
-- Returns string, or false
local seek = mw.text.trim( ask )
local r = false
if #seek > 1 then
if seek:find( "[", 1, true ) then
seek = fetch( "WLink" ).getPlain( seek )
end
seek = mw.ustring.lower( seek )
if Multilingual.isLang( seek ) then
r = Multilingual.fair( seek )
else
local slang = favorite()
r = find( seek, slang )
if not r and slang ~= "en" then
r = find( seek, "en" )
end
end
end
return r
end -- Multilingual.findCode()
Multilingual.fix = function ( attempt )
-- Fix frequently mistaken language code
-- Precondition:
-- attempt -- string, with presumable language code
-- Postcondition:
-- Returns string with correction, or false if no problem known
return Multilingual.correction[ attempt:lower() ] or false
end -- Multilingual.fix()
Multilingual.format = function ( apply, alien, alter, active, alert,
frame, assembly, adjacent, ahead )
-- Format one or more languages
-- Precondition:
-- apply -- string with language list or item
-- alien -- language of the answer
-- -- nil, false, "*": native
-- -- "!": current project
-- -- "#": code, downcased, space separated
-- -- "-": code, mixcase, space separated
-- -- any valid code
-- alter -- capitalize, if "c"; downcase all, if "d"
-- capitalize first item only, if "f"
-- downcase every first word only, if "m"
-- active -- link items, if true
-- alert -- string with category title in case of error
-- frame -- if available
-- assembly -- string with split pattern, if list expected
-- adjacent -- string with list separator, else assembly
-- ahead -- string to prepend first element, if any
-- Postcondition:
-- Returns string, or false if apply empty
local r = false
if apply then
local slang
if assembly then
local bucket = mw.text.split( apply, assembly )
local shift = alter
local separator
if adjacent then
separator = adjacent
elseif alien == "#" or alien == "-" then
separator = " "
else
separator = assembly
end
for k, v in pairs( bucket ) do
slang = Multilingual.format( v, alien, shift, active,
alert )
if slang then
if r then
r = string.format( "%s%s%s",
r, separator, slang )
else
r = slang
if shift == "f" then
shift = "d"
end
end
end
end -- for k, v
if r and ahead then
r = ahead .. r
end
else
local single = mw.text.trim( apply )
if single == "" then
r = false
else
local lapsus, slot
slang = Multilingual.findCode( single )
if slang then
if alien == "-" then
r = slang
elseif alien == "#" then
r = slang:lower()
else
r = Multilingual.getName( slang, alien )
if active then
slot = fill( slang, false, frame )
if slot then
local wlink = fetch( "WLink" )
slot = wlink.getTarget( slot )
else
lapsus = alert
end
end
end
else
r = single
if active then
local title = mw.title.makeTitle( 0, single )
if title.exists then
slot = single
end
end
lapsus = alert
end
if not r then
r = single
elseif alter == "c" or alter == "f" then
r = mw.ustring.upper( mw.ustring.sub( r, 1, 1 ) )
.. mw.ustring.sub( r, 2 )
elseif alter == "d" then
if Multilingual.isMinusculable( slang, r ) then
r = mw.ustring.lower( r )
end
elseif alter == "m" then
if Multilingual.isMinusculable( slang, r ) then
r = mw.ustring.lower( mw.ustring.sub( r, 1, 1 ) )
.. mw.ustring.sub( r, 2 )
end
end
if slot then
if r == slot then
r = string.format( "[[%s]]", r )
else
r = string.format( "[[%s|%s]]", slot, r )
end
end
if lapsus and alert then
r = string.format( "%s[[Category:%s]]", r, alert )
end
end
end
end
return r
end -- Multilingual.format()
Multilingual.getBase = function ( ask )
-- Retrieve base language from possibly combined ISO language code
-- Precondition:
-- ask -- language code
-- Postcondition:
-- Returns string, or false
local r
if ask then
local slang = ask:match( "^%s*(%a%a%a?)-?%a*%s*$" )
if slang then
r = slang:lower()
else
r = false
end
else
r = false
end
return r
end -- Multilingual.getBase()
Multilingual.getLang = function ( ask )
-- Retrieve components of a RFC 5646 language code
-- Precondition:
-- ask -- language code with subtags
-- Postcondition:
-- Returns table with formatted subtags
-- .base
-- .region
-- .script
-- .suggest
-- .year
-- .extension
-- .other
-- .n
local tags = mw.text.split( ask, "-" )
local s = tags[ 1 ]
local r
if s:match( "^%a%a%a?$" ) then
r = { base = s:lower(),
legal = true,
n = #tags }
for i = 2, r.n do
s = tags[ i ]
if #s == 2 then
if r.region or not s:match( "%a%a" ) then
r.legal = false
else
r.region = s:upper()
end
elseif #s == 4 then
if s:match( "%a%a%a%a" ) then
r.legal = ( not r.script )
r.script = s:sub( 1, 1 ):upper() ..
s:sub( 2 ):lower()
elseif s:match( "20%d%d" ) or
s:match( "1%d%d%d" ) then
r.legal = ( not r.year )
r.year = s
else
r.legal = false
end
elseif #s == 3 then
if r.extlang or not s:match( "%a%a%a" ) then
r.legal = false
else
r.extlang = s:lower()
end
elseif #s == 1 then
s = s:lower()
if s:match( "[tux]" ) then
r.extension = s
for k = i + 1, r.n do
s = tags[ k ]
if s:match( "^%w+$" ) then
r.extension = string.format( "%s-%s",
r.extension, s )
else
r.legal = false
end
end -- for k
else
r.legal = false
end
break -- for i
else
r.legal = ( not r.other ) and
s:match( "%a%a%a" )
r.other = s:lower()
end
if not r.legal then
break -- for i
end
end -- for i
if r.legal then
r.suggest = Multilingual.fix( r.base )
if r.suggest then
r.legal = false
end
end
else
r = { legal = false }
end
if not r.legal then
local cnf = fetch( "Multilingual/config", true, true )
if type( cnf ) == "table" and
type( cnf.scream ) == "string" then
r.scream = cnf.scream
end
end
return r
end -- Multilingual.getLang()
Multilingual.getName = function ( ask, alien )
-- Which name is assigned to this language code?
-- Precondition:
-- ask -- language code
-- alien -- language of the answer
-- -- nil, false, "*": native
-- -- "!": current project
-- -- any valid code
-- Postcondition:
-- Returns string, or false
local r
if ask then
local slang = alien
local support = "Multilingual/names"
local tLang
if slang then
if slang == "*" then
slang = Multilingual.fair( ask )
elseif slang == "!" then
slang = favorite()
else
slang = Multilingual.fair( slang )
end
else
slang = Multilingual.fair( ask )
end
if not slang then
slang = ask or "?????"
end
slang = slang:lower()
tLang = fetch( support, true )
if tLang then
tLang = tLang[ slang ]
if tLang then
r = tLang[ ask ]
end
end
if not r then
if not Multilingual.ext.tMW then
Multilingual.ext.tMW = { }
end
tLang = Multilingual.ext.tMW[ slang ]
if tLang == nil then
tLang = mw.language.fetchLanguageNames( slang )
if tLang then
Multilingual.ext.tMW[ slang ] = tLang
else
Multilingual.ext.tMW[ slang ] = false
end
end
if tLang then
r = tLang[ ask ]
end
end
if not r then
r = mw.language.fetchLanguageName( ask:lower(), slang )
if r == "" then
r = false
end
end
else
r = false
end
return r
end -- Multilingual.getName()
Multilingual.getScriptName = function ( assigned, alien, add )
-- Retrieve script name, hopefully linked
-- Precondition:
-- assigned -- string, with ISO 15924 script code
-- alien -- string, with ISO language code, or not
-- add -- arbitrary additional information
-- Postcondition:
-- Returns string
local r = assigned
local src = "Multilingual/scripting"
if not Multilingual[ src ] then
Multilingual[ src ] = fetch( src, true, "MultiScript" )
end
if Multilingual[ src ] then
r = Multilingual[ src ].Text.scriptName( assigned, alien, add )
end
return r
end -- Multilingual.getScriptName()
Multilingual.i18n = function ( available, alt, frame )
-- Select translatable message
-- Precondition:
-- available -- table, with mapping language code ./. text
-- alt -- string|nil|false, with fallback
-- frame -- frame, if available
-- Returns
-- 1. string|nil|false, with selected message
-- 2. string|nil|false, with language code
local r1, r2
if type( available ) == "table" then
local codes = { }
local trsl = { }
local slang
for k, v in pairs( available ) do
if type( k ) == "string" and
type( v ) == "string" then
slang = mw.text.trim( k:lower() )
table.insert( codes, slang )
trsl[ slang ] = v
end
end -- for k, v
slang = Multilingual.userLang( codes, frame )
if slang and trsl[ slang ] then
r1 = mw.text.trim( trsl[ slang ] )
if r1 == "" then
r1 = false
else
r2 = slang
end
end
end
if not r1 and type( alt ) == "string" then
r1 = mw.text.trim( alt )
if r1 == "" then
r1 = false
end
end
return r1, r2
end -- Multilingual.i18n()
Multilingual.int = function ( access, alien, apply )
-- Translated system message
-- Precondition:
-- access -- message ID
-- alien -- language code
-- apply -- nil, or sequence table with parameters $1, $2, ...
-- Postcondition:
-- Returns string, or false
local o = mw.message.new( access )
local r
if o:exists() then
if type( alien ) == "string" then
o:inLanguage( alien:lower() )
end
if type( apply ) == "table" then
o:params( apply )
end
r = o:plain()
end
return r or false
end -- Multilingual.int()
Multilingual.isLang = function ( ask, additional )
-- Could this be an ISO language code?
-- Precondition:
-- ask -- language code
-- additional -- true, if Wiki codes like "simple" permitted
-- Postcondition:
-- Returns boolean
local r, s
if additional then
s = ask
else
s = Multilingual.getBase( ask )
end
if s then
r = mw.language.isKnownLanguageTag( s )
if r then
r = not Multilingual.fix( s )
elseif additional then
r = Multilingual.exotic[ s ] or false
end
else
r = false
end
return r
end -- Multilingual.isLang()
Multilingual.isLangWiki = function ( ask )
-- Could this be a Wiki language version?
-- Precondition:
-- ask -- language version specifier
-- Postcondition:
-- Returns boolean
local r
local s = Multilingual.getBase( ask )
if s then
r = mw.language.isSupportedLanguage( s ) or
Multilingual.exotic[ ask ]
else
r = false
end
return r
end -- Multilingual.isLangWiki()
Multilingual.isMinusculable = function ( ask, assigned )
-- Could this language name become downcased?
-- Precondition:
-- ask -- language code, or nil
-- assigned -- language name, or nil
-- Postcondition:
-- Returns boolean
local r = true
if ask then
local cnf = fetch( "Multilingual/config", true, true )
if cnf then
local s = string.format( " %s ", ask:lower() )
if type( cnf.stopMinusculization ) == "string"
and cnf.stopMinusculization:find( s, 1, true ) then
r = false
end
if r and assigned
and type( cnf.seekMinusculization ) == "string"
and cnf.seekMinusculization:find( s, 1, true )
and type( cnf.scanMinusculization ) == "string" then
local scan = assigned:gsub( "[%(%)]", " " ) .. " "
if not scan:find( cnf.scanMinusculization ) then
r = false
end
end
end
end
return r
end -- Multilingual.isMinusculable()
Multilingual.isTrans = function ( ask, assign, about )
-- Check whether valid transcription for context
-- Precondition:
-- ask -- string, with transcription key
-- assign -- string, with language or scripting code
-- about -- string or nil, with site scripting code
-- Postcondition:
-- Returns boolean
local r = false
local t
if type( Multilingual.trans ) ~= "table" then
t = fetch( "Multilingual/scripts", true, false )
if type( t ) == "table" then
Multilingual.trans = t.trans or { }
else
Multilingual.trans = { }
end
end
t = Multilingual.trans[ assign ]
if type( t ) == "table" then
for k, v in pairs( t ) do
if v == ask then
r = true
break -- for i
end
end -- for k, v
end
if not r and about == "Latn" then
r = ( ask == "BGN-PCGN" or ask == "ALA-LC" )
end
return r
end -- Multilingual.isTrans()
Multilingual.userLang = function ( accept, frame )
-- Try to support user language by application
-- Precondition:
-- accept -- string or table
-- space separated list of available ISO 639 codes
-- Default: project language, or English
-- frame -- frame, if available
-- Postcondition:
-- Returns string with appropriate code
local s = type( accept )
local codes, r, slang
if s == "string" then
codes = mw.text.split( accept:lower(), " " )
elseif s == "table" then
codes = { }
for i = 1, #accept do
s = accept[ i ]
if type( s ) == "string" then
table.insert( codes, s:lower() )
end
end -- for i
else
codes = { }
slang = favorite()
if mw.language.isKnownLanguageTag( slang ) then
table.insert( codes, slang )
end
end
slang = User.favorize( codes, frame )
if not slang then
slang = favorite() or "en"
end
if feasible( slang, codes ) then
r = slang
elseif slang:find( "-", 1, true ) then
slang = Multilingual.getBase( slang )
if feasible( slang, codes ) then
r = slang
end
end
if not r then
local others = mw.language.getFallbacksFor( slang )
for i = 1, #others do
slang = others[ i ]
if feasible( slang, codes ) then
r = slang
break -- for i
end
end -- for i
if not r then
if feasible( "en", codes ) then
r = "en"
elseif #codes > 1 and
codes[ 1 ] and
codes[ 1 ]~= "" then
r = codes[ 1 ]
end
end
end
return r or favorite() or "en"
end -- Multilingual.userLang()
Multilingual.userLangCode = function ()
-- Guess a user language code
-- Postcondition:
-- Returns code of current best guess
return User.self or favorite() or "en"
end -- Multilingual.userLangCode()
Multilingual.failsafe = function ( atleast )
-- Retrieve versioning and check for compliance
-- Precondition:
-- atleast -- string, with required version or "wikidata",
-- or false
-- Postcondition:
-- Returns string with appropriate version, or false
local since = atleast
local r
if since == "wikidata" then
local item = Multilingual.item
since = false
if type( item ) == "number" and item > 0 then
local entity = mw.wikibase.getEntity( string.format( "Q%d",
item ) )
if type( entity ) == "table" then
local vsn = entity:formatPropertyValues( "P348" )
if type( vsn ) == "table" and
type( vsn.value ) == "string" and
vsn.value ~= "" then
r = vsn.value
end
end
end
end
if not r then
if not since or since <= Multilingual.serial then
r = Multilingual.serial
else
r = false
end
end
return r
end -- Multilingual.failsafe()
-- Export
local p = { }
p.fair = function ( frame )
-- Format language code
-- 1 -- language code
local s = mw.text.trim( frame.args[ 1 ] or "" )
return Multilingual.fair( s ) or ""
end -- p.fair
p.fallback = function ( frame )
-- Is another language suitable as replacement?
-- 1 -- language version specifier to be supported
-- 2 -- language specifier of a possible replacement
local s1 = mw.text.trim( frame.args[ 1 ] or "" )
local s2 = mw.text.trim( frame.args[ 2 ] or "" )
return Multilingual.fallback( s1, s2 ) and "1" or ""
end -- p.fallback
p.findCode = function ( frame )
-- Retrieve language code from language name
-- 1 -- name in current project language
local s = mw.text.trim( frame.args[ 1 ] or "" )
return Multilingual.findCode( s ) or ""
end -- p.findCode
p.fix = function ( frame )
local r = frame.args[ 1 ]
if r then
r = Multilingual.fix( mw.text.trim( r ) )
end
return r or ""
end -- p.fix
p.format = function ( frame )
-- Format one or more languages
-- 1 -- language list or item
-- slang -- language of the answer, if not native
-- * -- native
-- ! -- current project
-- any valid code
-- shift -- capitalize, if "c"; downcase, if "d"
-- capitalize first item only, if "f"
-- link -- 1 -- link items
-- scream -- category title in case of error
-- split -- split pattern, if list expected
-- separator -- list separator, else split
-- start -- prepend first element, if any
local r
local link
if frame.args.link == "1" then
link = true
end
r = Multilingual.format( frame.args[ 1 ],
frame.args.slang,
frame.args.shift,
link,
frame.args.scream,
frame,
frame.args.split,
frame.args.separator,
frame.args.start )
return r or ""
end -- p.format
p.getBase = function ( frame )
-- Retrieve base language from possibly combined ISO language code
-- 1 -- code
local s = mw.text.trim( frame.args[ 1 ] or "" )
return Multilingual.getBase( s ) or ""
end -- p.getBase
p.getName = function ( frame )
-- Retrieve language name from ISO language code
-- 1 -- code
-- 2 -- language to be used for the answer, if not native
-- ! -- current project
-- * -- native
-- any valid code
local s = mw.text.trim( frame.args[ 1 ] or "" )
local slang = frame.args[ 2 ]
local r
Multilingual.frame = frame
if slang then
slang = mw.text.trim( slang )
end
r = Multilingual.getName( s, slang )
return r or ""
end -- p.getName
p.getScriptName = function ( frame )
-- Retrieve script name from ISO 15924 script code, hopefully linked
-- 1 -- code
-- 2 -- optional additional key
local s1 = mw.text.trim( frame.args[ 1 ] or "????" )
local s2 = frame.args[ 2 ]
if s2 then
s2 = mw.text.trim( s2 )
end
return Multilingual.getScriptName( s1, false, s2 )
end -- p.getScriptName
p.int = function ( frame )
-- Translated system message
-- 1 -- message ID
-- lang -- language code
-- $1, $2, ... -- parameters
local sysMsg = frame.args[ 1 ]
local r
if sysMsg then
sysMsg = mw.text.trim( sysMsg )
if sysMsg ~= "" then
local n = 0
local slang = frame.args.lang
local i, params, s
if slang == "" then
slang = false
end
for k, v in pairs( frame.args ) do
if type( k ) == "string" then
s = k:match( "^%$(%d+)$" )
if s then
i = tonumber( s )
if i > n then
n = i
end
end
end
end -- for k, v
if n > 0 then
local s
params = { }
for i = 1, n do
s = frame.args[ "$" .. tostring( i ) ] or ""
table.insert( params, s )
end -- for i
end
r = Multilingual.int( sysMsg, slang, params )
end
end
return r or ""
end -- p.int
p.isLang = function ( frame )
-- Could this be an ISO language code?
-- 1 -- code
local s = mw.text.trim( frame.args[ 1 ] or "" )
local lucky, r = pcall( Multilingual.isLang, s )
return r and "1" or ""
end -- p.isLang
p.isLangWiki = function ( frame )
-- Could this be a Wiki language version?
-- 1 -- code
local s = mw.text.trim( frame.args[ 1 ] or "" )
local lucky, r = pcall( Multilingual.isLangWiki, s )
return r and "1" or ""
end -- p.isLangWiki
p.isTrans = function ( frame )
-- Check whether valid transcription for context
-- 1 -- string, with transcription key
-- 2 -- string, with language or scripting code
-- site -- string or nil, with site scripting code
local s1 = mw.text.trim( frame.args[ 1 ] or "" )
local s2 = mw.text.trim( frame.args[ 2 ] or "" )
local site = mw.text.trim( frame.args.site or "" )
return Multilingual.isTrans( s1, s2, site ) and "1" or ""
end -- p.isTrans
p.userLang = function ( frame )
-- Which language does the current user prefer?
-- 1 -- space separated list of available ISO 639 codes
local s = mw.text.trim( frame.args[ 1 ] or "" )
return Multilingual.userLang( s, frame )
end -- p.userLang
p.failsafe = function ( frame )
-- Versioning interface
local s = type( frame )
local since
if s == "table" then
since = frame.args[ 1 ]
elseif s == "string" then
since = frame
end
if since then
since = mw.text.trim( since )
if since == "" then
since = false
end
end
return Multilingual.failsafe( since ) or ""
end -- p.failsafe()
p.Multilingual = function ()
return Multilingual
end -- p.Multilingual
return p