en:Module:Category handler 05:08, 22 July 2014(UTC)より
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template>K-iczn (en:Module:Category handler 05:08, 22 July 2014(UTC)より) |
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1行目: | 1行目: | ||
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-- | -- -- | ||
-- | -- CATEGORY HANDLER -- | ||
-- | -- -- | ||
-- This module implements the {{category handler}} template in Lua, with a few improvements: all | -- This module implements the {{category handler}} template in Lua, -- | ||
-- | -- with a few improvements: all namespaces and all namespace aliases -- | ||
-- | -- are supported, and namespace names are detected automatically for -- | ||
-- [[Module:Yesno]] to be available on the local wiki. It can be | -- the local wiki. This module requires [[Module:Namespace detect]] -- | ||
-- by altering the values in | -- and [[Module:Yesno]] to be available on the local wiki. It can be -- | ||
-- | -- configured for different wikis by altering the values in -- | ||
-- [[Module:Category handler/config]], and pages can be blacklisted -- | |||
-- from categorisation by using [[Module:Category handler/blacklist]]. -- | |||
-- -- | |||
-------------------------------------------------------------------------------- | |||
-- Load required modules | |||
-- | |||
-- | |||
-- | |||
local yesno = require('Module:Yesno') | local yesno = require('Module:Yesno') | ||
---------------------------------------------------------------------------------------------------------- | -- Lazily load things we don't always need | ||
-- | local mShared, mappings | ||
-- | |||
---------------------------------------------------------------------------------------------------------- | local p = {} | ||
-------------------------------------------------------------------------------- | |||
local | -- Helper functions | ||
-------------------------------------------------------------------------------- | |||
local function trimWhitespace(s, removeBlanks) | |||
if type(s) ~= 'string' then | |||
return s | |||
end | |||
s = s:match('^%s*(.-)%s*$') | |||
if removeBlanks then | |||
if s ~= '' then | |||
return s | |||
else | |||
return nil | |||
end | |||
else | |||
return s | |||
end | |||
end | |||
-------------------------------------------------------------------------------- | |||
-- CategoryHandler class | |||
-------------------------------------------------------------------------------- | |||
local CategoryHandler = {} | |||
CategoryHandler.__index = CategoryHandler | |||
function CategoryHandler.new(data, args) | |||
local obj = setmetatable({ _data = data, _args = args }, CategoryHandler) | |||
-- Set the title object | |||
do | |||
local pagename = obj:parameter('demopage') | |||
local success, titleObj | |||
if pagename then | |||
success, titleObj = pcall(mw.title.new, pagename) | |||
end | |||
if success and titleObj then | |||
obj.title = titleObj | |||
if titleObj == mw.title.getCurrentTitle() then | |||
obj._usesCurrentTitle = true | |||
end | |||
else | |||
obj.title = mw.title.getCurrentTitle() | |||
obj._usesCurrentTitle = true | |||
end | |||
end | |||
-- Set suppression parameter values | |||
for _, key in ipairs{'nocat', 'categories'} do | |||
local value = obj:parameter(key) | |||
value = trimWhitespace(value, true) | |||
obj['_' .. key] = yesno(value) | |||
end | |||
do | |||
local subpage = obj:parameter('subpage') | |||
local category2 = obj:parameter('category2') | |||
if type(subpage) == 'string' then | |||
subpage = mw.ustring.lower(subpage) | |||
end | |||
if type(category2) == 'string' then | |||
subpage = mw.ustring.lower(category2) | |||
end | |||
obj._subpage = trimWhitespace(subpage, true) | |||
obj._category2 = trimWhitespace(category2) -- don't remove blank values | |||
end | |||
return obj | |||
end | |||
function CategoryHandler:parameter(key) | |||
local parameterNames = self._data.parameters[key] | |||
local pntype = type(parameterNames) | |||
if pntype == 'string' or pntype == 'number' then | |||
return self._args[parameterNames] | |||
elseif pntype == 'table' then | |||
for _, name in ipairs(parameterNames) do | |||
local value = self._args[name] | |||
if value ~= nil then | |||
return value | |||
end | |||
end | |||
return nil | |||
else | |||
error(string.format( | |||
'invalid config key "%s"', | |||
tostring(key) | |||
), 2) | |||
end | |||
end | |||
function CategoryHandler:isSuppressedByArguments() | |||
return | |||
-- See if a category suppression argument has been set. | |||
self._nocat == true | |||
or self._categories == false | |||
or ( | |||
self._category2 | |||
and self._category2 ~= self._data.category2Yes | |||
and self._category2 ~= self._data.category2Negative | |||
) | |||
-- Check whether we are on a subpage, and see if categories are | |||
-- suppressed based on our subpage status. | |||
or self._subpage == self._data.subpageNo and self.title.isSubpage | |||
or self._subpage == self._data.subpageOnly and not self.title.isSubpage | |||
end | |||
function CategoryHandler:shouldSkipBlacklistCheck() | |||
-- Check whether the category suppression arguments indicate we | |||
-- should skip the blacklist check. | |||
return self._nocat == false | |||
or self._categories == true | |||
or self._category2 == self._data.category2Yes | |||
end | |||
function CategoryHandler:matchesBlacklist() | |||
if self._usesCurrentTitle then | |||
return self._data.currentTitleMatchesBlacklist | |||
else | |||
mShared = mShared or require('Module:Category handler/shared') | |||
return mShared.matchesBlacklist( | |||
self.title.prefixedText, | |||
mw.loadData('Module:Category handler/blacklist') | |||
) | |||
end | |||
end | |||
function CategoryHandler:isSuppressed() | |||
-- Find if categories are suppressed by either the arguments or by | |||
-- matching the blacklist. | |||
return self:isSuppressedByArguments() | |||
or not self:shouldSkipBlacklistCheck() and self:matchesBlacklist() | |||
end | |||
function CategoryHandler:getNamespaceParameters() | |||
if self._usesCurrentTitle then | |||
return self._data.currentTitleNamespaceParameters | |||
else | |||
if not mappings then | |||
mShared = mShared or require('Module:Category handler/shared') | |||
mappings = mShared.getParamMappings(true) -- gets mappings with mw.loadData | |||
end | |||
return mShared.getNamespaceParameters( | |||
self.title, | |||
mappings | |||
) | |||
end | |||
end | end | ||
-- Find whether | function CategoryHandler:namespaceParametersExist() | ||
-- Find whether any namespace parameters have been specified. | |||
-- We use the order "all" --> namespace params --> "other" as this is what | |||
-- the old template did. | |||
if self:parameter('all') then | |||
return true | |||
end | |||
if not mappings then | |||
mShared = mShared or require('Module:Category handler/shared') | |||
mappings = mShared.getParamMappings(true) -- gets mappings with mw.loadData | |||
end | |||
for ns, params in pairs(mappings) do | |||
for i, param in ipairs(params) do | |||
if self._args[param] then | |||
return true | |||
end | |||
end | |||
end | |||
if self:parameter('other') then | |||
return true | |||
end | |||
return false | |||
end | end | ||
-- | function CategoryHandler:getCategories() | ||
local params = self:getNamespaceParameters() | |||
local nsCategory | |||
local | for i, param in ipairs(params) do | ||
local value = self._args[param] | |||
if value ~= nil then | |||
nsCategory = value | |||
break | |||
end | |||
end | |||
if nsCategory ~= nil or self:namespaceParametersExist() then | |||
-- Namespace parameters exist - advanced usage. | |||
if nsCategory == nil then | |||
nsCategory = self:parameter('other') | |||
end | |||
local ret = {self:parameter('all')} | |||
local numParam = tonumber(nsCategory) | |||
if numParam and numParam >= 1 and math.floor(numParam) == numParam then | |||
-- nsCategory is an integer | |||
ret[#ret + 1] = self._args[numParam] | |||
else | |||
ret[#ret + 1] = nsCategory | |||
end | |||
if #ret < 1 then | |||
return nil | |||
else | |||
return table.concat(ret) | |||
end | |||
elseif self._data.defaultNamespaces[self.title.namespace] then | |||
-- Namespace parameters don't exist, simple usage. | |||
return self._args[1] | |||
end | |||
return nil | |||
end | end | ||
------------------------------------------------------------------------------ | -------------------------------------------------------------------------------- | ||
-- Exports | |||
-------------------------------------------------------------------------------- | |||
-- | |||
local p = {} | local p = {} | ||
function p._exportClasses() | |||
-- Used for testing purposes. | |||
function p. | return { | ||
CategoryHandler = CategoryHandler | |||
} | |||
end | end | ||
function p._main(args, data) | |||
data = data or mw.loadData('Module:Category handler/data') | |||
function p._main(args | local handler = CategoryHandler.new(data, args) | ||
if handler:isSuppressed() then | |||
return nil | |||
end | |||
return handler:getCategories() | |||
end | end | ||
function p.main(frame) | function p.main(frame, data) | ||
data = data or mw.loadData('Module:Category handler/data') | |||
local args = require('Module:Arguments').getArgs(frame, { | |||
wrappers = data.wrappers, | |||
valueFunc = function (k, v) | |||
v = trimWhitespace(v) | |||
if type(k) == 'number' then | |||
if v ~= '' then | |||
return v | |||
else | |||
return nil | |||
end | |||
else | |||
return v | |||
end | |||
end | |||
}) | |||
return p._main(args, data) | |||
end | end | ||
return p | return p |