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Module:Template translation: Difference between revisions
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(add some other "helper" functions and factorise one; I checked the code on a local wiki and here on Meta; the new functions can be used to autotranslate templates) |
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local this = {}
function this.checkLanguage(subpage, default)
--[[Check first if there's an apostrophe, because they break the isKnownLanguageTag
function. This test does not work with regexps, use plain search instead (no need
to use Unicode parser, apostrophes can only appear isolated as one byte in UTF-8).
]]
if (string.find(subpage, "'", 1, true) == nil)
then
-- Return the subpage only if it is a valid language code.
if (mw.language.isKnownLanguageTag(subpage))
then
return subpage
end
end
-- Otherwise there's currently no known language subpage
return default
end
--[[Get the last subpage of the current page if it is a translation.
]]
function this.getLanguageSubpage()
local subpage = mw.title.getCurrentTitle().subpageText
return this.checkLanguage(subpage, '')
end
--[[Get the last subpage of the current frame if it is a translation.
Not used locally.
]]
function this.getFrameLanguageSubpage(frame)
local titleparts = mw.text.split(frame:getParent():getTitle(), '/')
local subpage = titleparts[#titleparts]
return this.checkLanguage(subpage, '')
end
--[[Get the language of the current page.
Not used locally.
]]
function this.getLanguage()
local subpage = mw.title.getCurrentTitle().subpageText
return this.checkLanguage(subpage, mw.language.getContentLanguage():getCode())
end
--[[Get the language of the current frame.
Not used locally.
]]
function this.getFrameLanguage(frame)
local titleparts = mw.text.split(frame:getParent():getTitle(), '/')
local subpage = titleparts[#titleparts]
return this.checkLanguage(subpage, mw.language.getContentLanguage():getCode())
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.
]]
function this.renderTranslatedTemplate(frame)
local args = frame.args
local pagename = args['template']
--[[Check whether the pagename is actually in the Template namespace, or
if we're transcluding a main-namespace page.
(added for backward compatibility of Template:TNT)
]]
local namespace = 'Template'
if (args['namespace'] ~= '') -- Checks for namespace parameter for custom ns.
then
namespace = args['namespace']
else -- Supposes that set page is in ns10.
local templateFullTitle = mw.title.new(pagename, namespace) -- Costly
if (templateFullTitle.id == 0)
then -- not found in the Template namespace, assume the main namespace
namespace = ''
end
end
-- Get the last subpage and check if it matches a known language code.
local langcode = 'en' -- Default language subpage to render.
local subpage = this.getLanguageSubpage()
if (subpage ~= '')
then
-- Check if a translation of the pagename exists in that language; if so, put it in langcode
local translation = mw.title.new(pagename .. '/' .. subpage, namespace) -- Costly
if (translation.id ~= 0)
then
end
end
-- Copy args pseudo-table to a proper table so we can feed it to expandTemplate.
-- Then render the pagename.
local arguments = {}
for k, v in pairs((frame:getParent() or {}).args) 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
return frame:expandTemplate{title = namespace .. ':' .. pagename .. '/' .. langcode, args = arguments}
end
Line 50 ⟶ 115:
This is aimed at replacing the current implementation of Template:TNT.
]]
function this.renderTranslatedTemplateDebug(frame)
local args = frame.args
local pagename = args['template']
--[[Check whether the pagename is actually in the Template namespace, or
if we're transcluding a main-namespace page.
(added for backward compatibility of Template:TNT)
]]
local title
local namespace = args['namespace'] or ''
if (namespace ~= '') -- Checks for namespace parameter for custom ns.
then
title = mw.title.new(pagename, namespace) -- Costly
else -- Supposes that set page is in ns10.
title = mw.title.new(pagename, 'Template') -- Costly
if (title.id == 0)
then -- not found in the Template namespace, assume the main namespace (for backward compatibility)
namespace = ''
title = mw.title.new(pagename, namespace) -- Costly
end
end
-- Get the last subpage and check if it matches a known language code.
local langcode = 'en' -- Default language subpage to render.
local subpage = this.getLanguageSubpage()
if (subpage ~= '')
then
-- Check if a translation of the pagename exists in that language; if so, put it in langcode
local title = mw.title.new(title.prefixedText .. '/' .. subpage) -- Costly
if (title.id == 0)
then
langcode = subpage
end
end
-- Copy args pseudo-table to a proper table so we can feed it to expandTemplate.
-- Then render the pagename.
local arguments = {}
for k, v in pairs((frame:getParent() or {}).args) 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
return frame:expandTemplate{title = title, args = arguments}
-- return frame:expandTemplate{title = namespace .. ':' .. pagename .. '/' .. langcode, args = arguments}
end
function this.renderTranslatedTemplate(frame)
local template = frame.args['template']
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