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case-insensitive; they are not "SupportedLanguages" for MediaWiki, so | case-insensitive; they are not "SupportedLanguages" for MediaWiki, so | ||
they are not "KnownLanguageTags" for MediaWiki). | they are not "KnownLanguageTags" for MediaWiki). | ||
To be more restrictive, we exclude any character that is not | To be more restrictive, we exclude any character | ||
* that is not ASCII and not a lowercase letter, minus-hyphen, or digit, | |||
or does not start by a letter or does not finish by a letter or digit; | |||
* or that has more than 8 characters between hyphens; | |||
* or that has two hyphens; | |||
* or with specific uses in template subpages and unusable as languages. | |||
--]] | --]] | ||
or string.find(subpage, "^[%l][%-%d%l]*[%d%l]$") ~= nil | or string.find(subpage, "^[%l][%-%d%l]*[%d%l]$") ~= nil | ||
and string.find(subpage, "[%d%l][%d%l][%d%l][%d%l][%d%l][%d%l][%d%l][%d%l][%d%l]") == nil | and string.find(subpage, "[%d%l][%d%l][%d%l][%d%l][%d%l][%d%l][%d%l][%d%l][%d%l]") == nil | ||
and string.find(subpage, "%-%-") == nil | and string.find(subpage, "%-%-") == nil | ||
and subpage ~= "doc" | |||
and subpage ~= "layout" | |||
and subpage ~= "sandbox" | |||
and subpage ~= "testcases" | |||
and subpage ~= "init" | |||
and subpage ~= "preload" | |||
and subpage ~= "subpage" | |||
and subpage ~= "subpage2" | |||
and subpage ~= "sub-subpage" | |||
and subpage ~= "sub-sub-subpage" | |||
and subpage ~= "sub-sub-sub-subpage" | |||
then | then | ||
return subpage | return subpage | ||
Line 37: | Line 50: | ||
end | end | ||
--[[Get the last subpage of the | --[[Get the last subpage of an arbitrary page if it is a translation. | ||
To be used from templates. | |||
]] | |||
function this.getLanguageSubpage(frame) | |||
local title = frame and frame.args[1] | |||
if not title or title == '' then | |||
title = mw.title.getCurrentTitle() | |||
end | |||
return this._getLanguageSubpage(title) | |||
end | |||
--[[Get the last subpage of an arbitrary page if it is a translation. | |||
To be used from Lua. | |||
]] | ]] | ||
function this. | function this._getLanguageSubpage(title) | ||
--[[This code does not work | if type(title) == 'string' then | ||
title = mw.title.new(title) | |||
end | |||
if not title then | |||
-- invalid title | |||
return mw.language.getContentLanguage():getCode() | |||
end | |||
--[[This code does not work in all namespaces where the Translate tool works. | |||
-- It works in the main namespace on Meta because it allows subpages there | -- It works in the main namespace on Meta because it allows subpages there | ||
-- It would not work in the main namespace of English Wikipedia (but the | -- It would not work in the main namespace of English Wikipedia (but the | ||
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-- bug of Meta-Wiki. The work-around is to split the full title and then | -- bug of Meta-Wiki. The work-around is to split the full title and then | ||
-- get the last titlepart. | -- get the last titlepart. | ||
local subpage = | local subpage = title.subpageText | ||
--]] | --]] | ||
local titleparts = mw.text.split(title.fullText, '/') | |||
local subpage = titleparts[#titleparts] | |||
return this. | return this.checkLanguage(subpage, mw.language.getContentLanguage():getCode()) | ||
end | |||
--[[Get the last subpage of the current page if it is a translation. | |||
]] | |||
function this.getCurrentLanguageSubpage() | |||
return this._getLanguageSubpage(mw.title.getCurrentTitle()) | |||
end | |||
--[[Get the first part of the language code of the subpage, before the '-'. | |||
]] | |||
function this.getMainLanguageSubpage() | |||
parts = mw.text.split( this.getCurrentLanguageSubpage(), '-' ) | |||
return parts[1] | |||
end | end | ||
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]] | ]] | ||
function this.getFrameLanguageSubpage(frame) | function this.getFrameLanguageSubpage(frame) | ||
return this._getLanguageSubpage(frame:getParent():getTitle()) | |||
end | end | ||
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end | end | ||
function this. | function this.title(namespace, basepagename, subpage) | ||
local message, title | local message, title | ||
local pagename = basepagename | |||
if (subpage or '') ~= '' | |||
then | |||
pagename = pagename .. '/' .. subpage | |||
end | |||
local valid, title = xpcall(function() | local valid, title = xpcall(function() | ||
return mw.title.new(pagename, namespace) -- costly | return mw.title.new(pagename, namespace) -- costly | ||
end, function(msg) -- catch undocumented exception (!?) | end, function(msg) -- catch undocumented exception (!?) | ||
-- thrown when namespace does not exist | -- thrown when namespace does not exist. The doc still | ||
-- says it should return a title, even in that case... | |||
message = msg | message = msg | ||
end) | end) | ||
if valid and title ~= nil and title.id ~= 0 | if valid and title ~= nil and (title.id or 0) ~= 0 | ||
then | then | ||
return title | return title | ||
end | end | ||
return { | return { -- "pseudo" mw.title object with id = nil in case of error | ||
prefixedText = pagename, -- the only property we need below | |||
message = message -- only for debugging | |||
} | } | ||
end | end | ||
--[[If on a translation subpage (like Foobar/de), this function | --[[If on a translation subpage (like Foobar/de), this function returns | ||
a given template in the same language, if the translation is available. | a given template in the same language, if the translation is available. | ||
Otherwise, the template is | Otherwise, the template is returned in its default language, without | ||
modification. | modification. | ||
This is aimed at replacing the current implementation of Template:TNT. | This is aimed at replacing the current implementation of Template:TNTN. | ||
This version does not expand the returned template name: this solves the | |||
problem of self-recursion in TNT when translatable templates need themselves | |||
to transclude other translable templates (such as Tnavbar). | |||
]] | ]] | ||
function this. | function this.getTranslatedTemplate(frame, withStatus) | ||
local args = frame.args | local args = frame.args | ||
local pagename = args['template'] | local pagename = args['template'] | ||
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]] | ]] | ||
local title | local title | ||
local namespace = args[' | local namespace = args['tntns'] or '' | ||
if (namespace ~= '') -- Checks for | if (namespace ~= '') -- Checks for tntns parameter for custom ns. | ||
then | then | ||
title = this. | title = this.title(namespace, pagename) -- Costly | ||
else -- Supposes that set page is in ns10. | else -- Supposes that set page is in ns10. | ||
namespace = 'Template' | namespace = 'Template' | ||
title = this. | title = this.title(namespace, pagename) -- Costly | ||
if title.id == | if title.id == nil | ||
then -- not found in the Template namespace, assume the main namespace (for backward compatibility) | then -- not found in the Template namespace, assume the main namespace (for backward compatibility) | ||
namespace = '' | namespace = '' | ||
title = this. | title = this.title(namespace, pagename) -- Costly | ||
end | end | ||
end | end | ||
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if (subpage == '') | if (subpage == '') | ||
then | then | ||
subpage = this. | subpage = this.getCurrentLanguageSubpage() | ||
end | end | ||
if (subpage == '') | if (subpage == '') | ||
then | then | ||
-- Check if a translation of the pagename exists in English | -- Check if a translation of the pagename exists in English | ||
local newtitle = this. | local newtitle = this.title(namespace, pagename, 'en') -- Costly | ||
-- Use the translation when it exists | -- Use the translation when it exists | ||
if newtitle.id ~= | if newtitle.id ~= nil | ||
then | then | ||
title = newtitle | title = newtitle | ||
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else | else | ||
-- Check if a translation of the pagename exists in that language | -- Check if a translation of the pagename exists in that language | ||
local newtitle = this. | local newtitle = this.title(namespace, pagename, subpage) -- Costly | ||
if newtitle.id == | if newtitle.id == nil | ||
then | then | ||
-- Check if a translation of the pagename exists in English | -- Check if a translation of the pagename exists in English | ||
newtitle = this. | newtitle = this.title(namespace, pagename, 'en') -- Costly | ||
end | end | ||
-- Use the translation when it exists | -- Use the translation when it exists | ||
if newtitle.id ~= | if newtitle.id ~= nil | ||
then | then | ||
title = newtitle | title = newtitle | ||
end | end | ||
end | end | ||
-- At this point the title should exist | |||
-- At this point the title should exist | if withStatus then | ||
if title.id = | -- status returned to Lua function below | ||
return title.prefixedText, title.id ~= nil | |||
return | else | ||
-- returned directly to MediaWiki | |||
return title.prefixedText | |||
end | end | ||
end | |||
--[[If on a translation subpage (like Foobar/de), this function renders | |||
a given template in the same language, if the translation is available. | |||
Otherwise, the template is rendered in its default language, without | |||
modification. | |||
This is aimed at replacing the current implementation of Template:TNT. | |||
Note that translatable templates cannot transclude themselves other | |||
translatable templates, as it will recurse on TNT. Use TNTN instead | |||
to return only the effective template name to expand externally, with | |||
template parameters also provided externally. | |||
]] | |||
function this.renderTranslatedTemplate(frame) | |||
local title, found = this.getTranslatedTemplate(frame, true) | |||
-- At this point the title should exist prior to performing the expansion | |||
-- of the template, otherwise render a red link to the missing page | |||
-- (resolved in its assumed namespace). If we don't tet this here, a | |||
-- script error would be thrown. Returning a red link is consistant with | |||
-- MediaWiki behavior when attempting to transclude inexistant templates. | |||
if not found then | |||
return '[[' .. title .. ']]' | |||
end | |||
-- Copy args pseudo-table to a proper table so we can feed it to expandTemplate. | -- Copy args pseudo-table to a proper table so we can feed it to expandTemplate. | ||
-- Then render the pagename. | -- Then render the pagename. | ||
local args = frame.args | |||
local pargs = (frame:getParent() or {}).args | local pargs = (frame:getParent() or {}).args | ||
local arguments | local arguments = {} | ||
if (args['noshift'] or '') == '' | if (args['noshift'] or '') == '' | ||
then | then | ||
for k, v in pairs(pargs) do | for k, v in pairs(pargs) do | ||
-- numbered args >= 1 need to be shifted | -- numbered args >= 1 need to be shifted | ||
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else -- special case where TNT is used as autotranslate | else -- special case where TNT is used as autotranslate | ||
-- (don't shift again what is shifted in the invokation) | -- (don't shift again what is shifted in the invokation) | ||
arguments = | for k, v in pairs(pargs) do | ||
arguments[k] = v | |||
end | |||
end | end | ||
arguments['template'] = title | arguments['template'] = title -- override the existing parameter of the base template name supplied with the full name of the actual template expanded | ||
arguments[' | arguments['tntns'] = nil -- discard the specified namespace override | ||
arguments['uselang'] = args | arguments['uselang'] = args['uselang'] -- argument forwarded into parent frame | ||
arguments['noshift'] = args | arguments['noshift'] = args['noshift'] -- argument forwarded into parent frame | ||
return frame:expandTemplate{title = ':' .. title. | return frame:expandTemplate{title = ':' .. title, args = arguments} | ||
end | |||
--[[A helper for mocking TNT in Special:TemplateSandbox. TNT breaks | |||
TemplateSandbox; mocking it with this method means templates won't be | |||
localized but at least TemplateSandbox substitutions will work properly. | |||
Won't work with complex uses. | |||
]] | |||
function this.mockTNT(frame) | |||
local pargs = (frame:getParent() or {}).args | |||
local arguments = {} | |||
for k, v in pairs(pargs) do | |||
-- numbered args >= 1 need to be shifted | |||
local n = tonumber(k) or 0 | |||
if (n > 0) | |||
then | |||
if (n >= 2) | |||
then | |||
arguments[n - 1] = v | |||
end | |||
else | |||
arguments[k] = v | |||
end | |||
end | |||
if not pargs[1] | |||
then | |||
return '' | |||
end | |||
return frame:expandTemplate{title = 'Template:' .. pargs[1], args = arguments} | |||
end | end | ||
return this | return this |