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| − | local this = {} | + | local p = {} |
| − | | + | function p.hello(frame) |
| − | function this.checkLanguage(subpage, default) | + | return 'Hello' |
| − | --[[Check first if there's an any invalid character that would cause the | |
| − | mw.language.isKnownLanguageTag function() to throw an exception:
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| − | - all ASCII controls in [\000-\031\127],
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| − | - double quote ("), sharp sign (#), ampersand (&), apostrophe ('),
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| − | - slash (/), colon (:), semicolon (;), lower than (<), greater than (>),
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| − | - brackets and braces ([, ], {, }), pipe (|), backslash (\\)
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| − | All other characters are accepted, including space and all non-ASCII
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| − | characters (including \192, which is invalid in UTF-8).
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| − | --]]
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| − | if mw.language.isValidCode(subpage) and mw.language.isKnownLanguageTag(subpage)
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| − | --[[However "SupportedLanguages" are too restrictive, as they discard many
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| − | valid BCP47 script variants (only because MediaWiki still does not
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| − | define automatic transliterators for them, e.g. "en-dsrt" or
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| − | "fr-brai" for French transliteration in Braille), and country variants,
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| − | (useful in localized data, even if they are no longer used for
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| − | translations, such as zh-cn, also useful for legacy codes).
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| − | We want to avoid matching subpagenames containing any uppercase letter,
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| − | (even if they are considered valid in BCP 47, in which they are
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| − | case-insensitive; they are not "SupportedLanguages" for MediaWiki, so
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| − | they are not "KnownLanguageTags" for MediaWiki).
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| − | To be more restrictive, we exclude any character
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| − | * that is not ASCII and not a lowercase letter, minus-hyphen, or digit,
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| − | or does not start by a letter or does not finish by a letter or digit;
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| − | * or that has more than 8 characters between hyphens;
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| − | * or that has two hyphens;
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| − | * or with specific uses in template subpages and unusable as languages.
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| − | --]]
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| − | or string.find(subpage, "^[%l][%-%d%l]*[%d%l]$") ~= nil
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| − | and string.find(subpage, "[%d%l][%d%l][%d%l][%d%l][%d%l][%d%l][%d%l][%d%l][%d%l]") == nil
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| − | and string.find(subpage, "%-%-") == nil
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| − | and subpage ~= "doc"
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| − | and subpage ~= "layout"
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| − | and subpage ~= "sandbox"
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| − | and subpage ~= "testcases"
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| − | then
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| − | return subpage
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| − | end
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| − | -- Otherwise there's currently no known language subpage
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| − | return default
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| | end | | end |
| − | | + | return p |
| − | --[[Get the last subpage of the current page if it is a translation.
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| − | ]]
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| − | function this.getLanguageSubpage()
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| − | --[[This code does not work in all namespaces where the Translate tool works.
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| − | -- It works in the main namespace on Meta because it allows subpages there
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| − | -- It would not work in the main namespace of English Wikipedia (but the
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| − | -- articles are monolignual on that wiki).
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| − | -- On Meta-Wiki the main space uses subpages and its pages are translated.
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| − | -- The Translate tool allows translatng pages in all namespaces, even if
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| − | -- the namespace officially does not have subpages.
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| − | -- On Meta-Wiki the Category namespace still does not have subpages enabled,
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| − | -- even if they would be very useful for categorizing templates, that DO have
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| − | -- subpages (for documentatio and tstboxes pages). This is a misconfiguration
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| − | -- bug of Meta-Wiki. The work-around is to split the full title and then
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| − | -- get the last titlepart.
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| − | local subpage = mw.title.getCurrentTitle().subpageText
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| − | --]]
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| − | local titleparts = mw.text.split(mw.title.getCurrentTitle().fullText, '/')
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| − | local subpage = titleparts[#titleparts]
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| − | return this.checkLanguage(subpage, '')
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| − | end
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| − | | |
| − | --[[Get the first part of the language code of the subpage, before the '-'.
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| − | ]]
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| − | function this.getMainLanguageSubpage()
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| − | parts = mw.text.split( this.getLanguageSubpage(), '-' )
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| − | return parts[1]
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| − | end
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| − | | |
| − | --[[Get the last subpage of the current frame if it is a translation.
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| − | Not used locally.
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| − | ]]
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| − | function this.getFrameLanguageSubpage(frame)
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| − | local titleparts = mw.text.split(frame:getParent():getTitle(), '/')
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| − | local subpage = titleparts[#titleparts]
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| − | return this.checkLanguage(subpage, '')
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| − | end
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| − | | |
| − | --[[Get the language of the current page.
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| − | Not used locally.
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| − | ]]
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| − | function this.getLanguage()
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| − | local subpage = mw.title.getCurrentTitle().subpageText
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| − | return this.checkLanguage(subpage, mw.language.getContentLanguage():getCode())
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| − | end
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| − | | |
| − | --[[Get the language of the current frame.
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| − | Not used locally.
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| − | ]]
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| − | function this.getFrameLanguage(frame)
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| − | local titleparts = mw.text.split(frame:getParent():getTitle(), '/')
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| − | local subpage = titleparts[#titleparts]
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| − | return this.checkLanguage(subpage, mw.language.getContentLanguage():getCode())
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| − | end
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| − | | |
| − | function this.title(namespace, basepagename, subpage)
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| − | local message, title
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| − | local pagename = basepagename
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| − | if (subpage or '') ~= ''
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| − | then
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| − | pagename = pagename .. '/' .. subpage
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| − | end
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| − | local valid, title = xpcall(function()
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| − | return mw.title.new(pagename, namespace) -- costly
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| − | end, function(msg) -- catch undocumented exception (!?)
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| − | -- thrown when namespace does not exist. The doc still
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| − | -- says it should return a title, even in that case...
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| − | message = msg
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| − | end)
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| − | if valid and title ~= nil and (title.id or 0) ~= 0
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| − | then
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| − | return title
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| − | end
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| − | return { -- "pseudo" mw.title object with id = nil in case of error
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| − | prefixedText = pagename, -- the only property we need below
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| − | message = message -- only for debugging
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| − | }
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| − | end
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| − | | |
| − | --[[If on a translation subpage (like Foobar/de), this function returns
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| − | a given template in the same language, if the translation is available.
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| − | Otherwise, the template is returned in its default language, without
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| − | modification.
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| − | This is aimed at replacing the current implementation of Template:TNTN.
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| − | | |
| − | This version does not expand the returned template name: this solves the
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| − | problem of self-recursion in TNT when translatable templates need themselves
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| − | to transclude other translable templates (such as Tnavbar).
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| − | ]]
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| − | function this.getTranslatedTemplate(frame, withStatus)
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| − | local args = frame.args
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| − | local pagename = args['template']
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| − |
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| − | --[[Check whether the pagename is actually in the Template namespace, or
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| − | if we're transcluding a main-namespace page.
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| − | (added for backward compatibility of Template:TNT)
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| − | ]]
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| − | local title
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| − | local namespace = args['tntns'] or ''
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| − | if (namespace ~= '') -- Checks for tntns parameter for custom ns.
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| − | then
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| − | title = this.title(namespace, pagename) -- Costly
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| − | else -- Supposes that set page is in ns10.
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| − | namespace = 'Template'
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| − | title = this.title(namespace, pagename) -- Costly
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| − | if title.id == nil
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| − | then -- not found in the Template namespace, assume the main namespace (for backward compatibility)
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| − | namespace = ''
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| − | title = this.title(namespace, pagename) -- Costly
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| − | end
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| − | end
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| − |
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| − | -- Get the last subpage and check if it matches a known language code.
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| − | local subpage = args['uselang'] or ''
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| − | if (subpage == '')
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| − | then
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| − | subpage = this.getLanguageSubpage()
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| − | end
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| − | if (subpage == '')
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| − | then
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| − | -- Check if a translation of the pagename exists in English
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| − | local newtitle = this.title(namespace, pagename, 'en') -- Costly
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| − | -- Use the translation when it exists
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| − | if newtitle.id ~= nil
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| − | then
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| − | title = newtitle
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| − | end
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| − | else
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| − | -- Check if a translation of the pagename exists in that language
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| − | local newtitle = this.title(namespace, pagename, subpage) -- Costly
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| − | if newtitle.id == nil
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| − | then
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| − | -- Check if a translation of the pagename exists in English
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| − | newtitle = this.title(namespace, pagename, 'en') -- Costly
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| − | end
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| − | -- Use the translation when it exists
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| − | if newtitle.id ~= nil
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| − | then
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| − | title = newtitle
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| − | end
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| − | end
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| − | -- At this point the title should exist
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| − | if withStatus then
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| − | -- status returned to Lua function below
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| − | return title.prefixedText, title.id ~= nil
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| − | else
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| − | -- returned directly to MediaWiki
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| − | return title.prefixedText
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| − | end
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| − | end
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| − | | |
| − | --[[If on a translation subpage (like Foobar/de), this function renders
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| − | a given template in the same language, if the translation is available.
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| − | Otherwise, the template is rendered in its default language, without
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| − | modification.
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| − | This is aimed at replacing the current implementation of Template:TNT.
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| − |
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| − | Note that translatable templates cannot transclude themselves other
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| − | translatable templates, as it will recurse on TNT. Use TNTN instead
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| − | to return only the effective template name to expand externally, with
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| − | template parameters also provided externally.
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| − | ]]
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| − | function this.renderTranslatedTemplate(frame)
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| − | local title, found = this.getTranslatedTemplate(frame, true)
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| − | -- At this point the title should exist prior to performing the expansion
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| − | -- of the template, otherwise render a red link to the missing page
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| − | -- (resolved in its assumed namespace). If we don't tet this here, a
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| − | -- script error would be thrown. Returning a red link is consistant with
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| − | -- MediaWiki behavior when attempting to transclude inexistant templates.
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| − | if not found then
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| − | return '[[' .. title .. ']]'
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| − | end
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| − | | |
| − | -- Copy args pseudo-table to a proper table so we can feed it to expandTemplate.
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| − | -- Then render the pagename.
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| − | local args = frame.args
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| − | local pargs = (frame:getParent() or {}).args
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| − | local arguments = {}
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| − | if (args['noshift'] or '') == ''
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| − | then
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| − | for k, v in pairs(pargs) do
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| − | -- numbered args >= 1 need to be shifted
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| − | local n = tonumber(k) or 0
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| − | if (n > 0)
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| − | then
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| − | if (n >= 2)
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| − | then
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| − | arguments[n - 1] = v
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| − | end
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| − | else
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| − | arguments[k] = v
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| − | end
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| − | end
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| − | else -- special case where TNT is used as autotranslate
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| − | -- (don't shift again what is shifted in the invokation)
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| − | for k, v in pairs(pargs) do
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| − | arguments[k] = v
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| − | end
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| − | end
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| − | arguments['template'] = title -- override the existing parameter of the base template name supplied with the full name of the actual template expanded
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| − | arguments['tntns'] = nil -- discard the specified namespace override
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| − | arguments['uselang'] = args['uselang'] -- argument forwarded into parent frame
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| − | arguments['noshift'] = args['noshift'] -- argument forwarded into parent frame
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| − |
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| − | return frame:expandTemplate{title = ':' .. title, args = arguments}
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| − | end
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| − | | |
| − | --[[A helper for mocking TNT in Special:TemplateSandbox. TNT breaks
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| − | TemplateSandbox; mocking it with this method means templates won't be
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| − | localized but at least TemplateSandbox substitutions will work properly.
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| − | Won't work with complex uses.
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| − | ]]
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| − | function this.mockTNT(frame)
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| − | local pargs = (frame:getParent() or {}).args
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| − | local arguments = {}
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| − | for k, v in pairs(pargs) do
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| − | -- numbered args >= 1 need to be shifted
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| − | local n = tonumber(k) or 0
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| − | if (n > 0)
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| − | then
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| − | if (n >= 2)
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| − | then
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| − | arguments[n - 1] = v
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| − | end
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| − | else
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| − | arguments[k] = v
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| − | end
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| − | end
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| − | if not pargs[1]
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| − | then
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| − | return ''
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| − | end
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| − | return frame:expandTemplate{title = 'Template:' .. pargs[1], args = arguments}
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| − | end
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| − | | |
| − | return this
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