Difference between revisions of "Module:Template translation"
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Module:Template translation (view source)
Revision as of 10:25, 7 February 2014
, 10:25, 7 February 2014forward the noshift parameter to avoid infinite recursion
>Verdy p m |
>Verdy p m (forward the noshift parameter to avoid infinite recursion) |
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| Line 85: | Line 85: | ||
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 | ||
| Line 123: | Line 127: | ||
if (namespace ~= '') -- Checks for namespace parameter for custom ns. | if (namespace ~= '') -- Checks for namespace 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 | ||
| Line 143: | Line 147: | ||
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 | ||
| Line 151: | Line 155: | ||
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 | ||
| Line 165: | Line 169: | ||
-- At this point the title should exist, otherwise render a red link to the missing page (resolved in its assumed namespace) | -- At this point the title should exist, otherwise render a red link to the missing page (resolved in its assumed namespace) | ||
if title.id == | if title.id == nil | ||
then | then | ||
return '[[' .. title.prefixedText .. ']]' | return '[[' .. title.prefixedText .. ']]' | ||
| Line 196: | Line 200: | ||
arguments['template'] = title.prefixedText -- override the existing parameter of the base template name supplied with the full name of the actual template expanded | arguments['template'] = title.prefixedText -- override the existing parameter of the base template name supplied with the full name of the actual template expanded | ||
arguments['namespace'] = nil -- discard the specified namespace override | arguments['namespace'] = 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.prefixedText, args = arguments} | return frame:expandTemplate{title = ':' .. title.prefixedText, args = arguments} | ||