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|
local language = {}
local php
local util = require 'libraryUtil'
function language.setupInterface()
-- Boilerplate
language.setupInterface = nil
php = mw_interface
mw_interface = nil
-- Register this library in the "mw" global
mw = mw or {}
mw.language = language
mw.getContentLanguage = language.getContentLanguage
mw.getLanguage = mw.language.new
local lang = mw.getContentLanguage();
-- Extend ustring
if mw.ustring then
mw.ustring.upper = function ( s )
return lang:uc( s )
end
mw.ustring.lower = function ( s )
return lang:lc( s )
end
string.uupper = mw.ustring.upper
string.ulower = mw.ustring.lower
end
package.loaded['mw.language'] = language
end
function language.isSupportedLanguage( code )
return php.isSupportedLanguage( code )
end
function language.isKnownLanguageTag( code )
return php.isKnownLanguageTag( code )
end
function language.isValidCode( code )
return php.isValidCode( code )
end
function language.isValidBuiltInCode( code )
return php.isValidBuiltInCode( code )
end
function language.fetchLanguageName( code, inLanguage )
return php.fetchLanguageName( code, inLanguage )
end
function language.fetchLanguageNames( inLanguage, include )
return php.fetchLanguageNames( inLanguage, include )
end
function language.getFallbacksFor( code )
return php.getFallbacksFor( code )
end
function language.new( code )
if code == nil then
error( "too few arguments to mw.language.new()", 2 )
end
local lang = { code = code }
local checkSelf = util.makeCheckSelfFunction( 'mw.language', 'lang', lang, 'language object' )
local wrappers = {
lcfirst = 1,
ucfirst = 1,
lc = 1,
uc = 1,
caseFold = 1,
formatNum = 1,
formatDate = 1,
formatDuration = 1,
getDurationIntervals = 1,
convertPlural = 2,
convertGrammar = 2,
gender = 2,
}
for name, numArgs in pairs( wrappers ) do
lang[name] = function ( self, ... )
checkSelf( self, name )
if select( '#', ... ) < numArgs then
error( "too few arguments to mw.language:" .. name, 2 )
end
return php[name]( self.code, ... )
end
end
-- This one could use caching
function lang:isRTL()
checkSelf( self, 'isRTL' )
local rtl = php.isRTL( self.code )
self.isRTL = function ()
return rtl
end
return rtl
end
-- Fix semantics
function lang:parseFormattedNumber( ... )
checkSelf( self, 'parseFormattedNumber' )
if select( '#', ... ) < 1 then
error( "too few arguments to mw.language:parseFormattedNumber", 2 )
end
return tonumber( php.parseFormattedNumber( self.code, ... ) )
end
-- Alias
lang.plural = lang.convertPlural
-- Parser function compat
function lang:grammar( case, word )
checkSelf( self, name )
return self:convertGrammar( word, case )
end
-- Other functions
function lang:getCode()
checkSelf( self, 'getCode' )
return self.code
end
function lang:getDir()
checkSelf( self, 'getDir' )
return self:isRTL() and 'rtl' or 'ltr'
end
function lang:getDirMark( opposite )
checkSelf( self, 'getDirMark' )
local b = self:isRTL()
if opposite then
b = not b
end
return b and '\226\128\143' or '\226\128\142'
end
function lang:getDirMarkEntity( opposite )
checkSelf( self, 'getDirMarkEntity' )
local b = self:isRTL()
if opposite then
b = not b
end
return b and '‏' or '‎'
end
function lang:getArrow( direction )
checkSelf( self, 'getArrow' )
direction = direction or 'forwards'
util.checkType( 'getArrow', 1, direction, 'string' )
if direction == 'forwards' then
return self:isRTL() and '←' or '→'
elseif direction == 'backwards' then
return self:isRTL() and '→' or '←'
elseif direction == 'left' then
return '←'
elseif direction == 'right' then
return '→'
elseif direction == 'up' then
return '↑'
elseif direction == 'down' then
return '↓'
end
end
function lang:getFallbackLanguages()
checkSelf( self, 'getFallbackLanguages' )
return language.getFallbacksFor( self.code )
end
return lang
end
local contLangCode
function language.getContentLanguage()
if contLangCode == nil then
contLangCode = php.getContLangCode()
end
return language.new( contLangCode )
end
return language
|
