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--------------------------------------------------------------------------------
+
----------------------------------------------------------------------------------------------------------
--                                                                           --
+
--                                                                                                     --
--                             CATEGORY HANDLER                             --
+
--                                         CATEGORY HANDLER                                           --
--                                                                           --
+
--                                                                                                     --
--      This module implements the {{category handler}} template in Lua,     --
+
--      This module implements the {{category handler}} template in Lua, with a few improvements: all   --
--      with a few improvements: all namespaces and all namespace aliases    --
+
--      namespaces and all namespace aliases are supported, and namespace names are detected           --
--      are supported, and namespace names are detected automatically for    --
+
--      automatically for the local wiki. This module requires [[Module:Namespace detect]] and          --
--      the local wiki. This module requires [[Module:Namespace detect]]     --
+
--      [[Module:Yesno]] to be available on the local wiki. It can be configured for different wikis    --
--      and [[Module:Yesno]] to be available on the local wiki. It can be     --
+
--      by altering the values in the "cfg" table.                                                      --
--      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]].   --
+
--                                                                           --
+
----------------------------------------------------------------------------------------------------------
--------------------------------------------------------------------------------
+
--                                          Configuration data                                          --
 
+
--                      Language-specific parameter names and values can be set here.                  --
-- Load required modules
+
----------------------------------------------------------------------------------------------------------
 +
 +
local cfg = {}
 +
 +
-- The following config values set the names of parameters that suppress categorisation. They are used
 +
-- with Module:Yesno, and work as follows:
 +
--
 +
-- cfg.nocat:
 +
-- Result of yesno(args[cfg.nocat])        Effect
 +
-- true                                    Categorisation is suppressed
 +
-- false                                    Categorisation is allowed, and the blacklist check is skipped
 +
-- nil                                      Categorisation is allowed
 +
--
 +
-- cfg.categories:
 +
-- Result of yesno(args[cfg.categories])    Effect
 +
-- true                                    Categorisation is allowed, and the blacklist check is skipped
 +
-- false                                    Categorisation is suppressed
 +
-- nil                                      Categorisation is allowed
 +
cfg.nocat = 'nocat'   
 +
cfg.categories = 'categories'
 +
 +
-- The parameter name for the legacy "category2" parameter. This skips the blacklist if set to the
 +
-- cfg.category2Yes value, and suppresses categorisation if present but equal to anything other than
 +
-- cfg.category2Yes or cfg.category2Negative.
 +
cfg.category2 = 'category2'
 +
cfg.category2Yes = 'yes'
 +
cfg.category2Negative = '¬'
 +
 +
-- cfg.subpage is the parameter name to specify how to behave on subpages. cfg.subpageNo is the value to
 +
-- specify to not categorise on subpages; cfg.only is the value to specify to only categorise on subpages.
 +
cfg.subpage = 'subpage'
 +
cfg.subpageNo = 'no'
 +
cfg.subpageOnly = 'only'
 +
 +
-- The parameter for data to return in all namespaces.
 +
cfg.all = 'all'
 +
 +
-- The parameter name for data to return if no data is specified for the namespace that is detected. This
 +
-- must be the same as the cfg.other parameter in [[Module:Namespace detect]].
 +
cfg.other = 'other'
 +
 +
-- The parameter name used to specify a page other than the current page; used for testing and
 +
-- demonstration. This must be the same as the cfg.page parameter in [[Module:Namespace detect]].
 +
cfg.page = 'page'
 +
 +
-- The categorisation blacklist. Pages that match Lua patterns in this list will not be categorised.
 +
-- (However, see the explanation of cfg.nocat, cfg.categories and cfg.category2 for some exceptions.)
 +
-- If the namespace name has a space in, it must be written with an underscore, e.g. "Wikipedia_talk".
 +
-- Other parts of the title can have either underscores or spaces.
 +
cfg.blacklist = {
 +
    '^Main Page$', -- don't categorise the main page.
 +
 +
    -- Don't categorise the following pages or their subpages.
 +
    '^Wikipedia:Cascade%-protected items$',
 +
    '^Wikipedia:Cascade%-protected items/.*$',
 +
    '^User:UBX$', -- The userbox "template" space.
 +
    '^User:UBX/.*$',
 +
    '^User_talk:UBX$',
 +
    '^User_talk:UBX/.*$',
 +
 +
    -- Don't categorise subpages of these pages, but allow
 +
    -- categorisation of the base page.
 +
    '^Wikipedia:Template messages/.+$',
 +
 +
    '/[aA]rchive' -- Don't categorise archives.
 +
}
 +
 +
-- This is a table of namespaces to categorise by default. They should be in the format of parameter
 +
-- names accepted by [[Module:Namespace detect]].
 +
cfg.defaultNamespaces = {
 +
    'main',
 +
    'file',
 +
    'help',
 +
    'category'
 +
}
 +
 +
----------------------------------------------------------------------------------------------------------
 +
--                                         End configuration data                                      --
 +
----------------------------------------------------------------------------------------------------------
 +
 +
-- Get dependent modules
 +
local nsDetect = require('Module:Namespace detect')
 
local yesno = require('Module:Yesno')
 
local yesno = require('Module:Yesno')
 
+
-- Lazily load things we don't always need
+
----------------------------------------------------------------------------------------------------------
local mShared, mappings
+
--                                         Local functions                                            --
 
+
--     The following are internal functions, which we do not want to be accessible from other modules. --
local p = {}
+
----------------------------------------------------------------------------------------------------------
 
+
--------------------------------------------------------------------------------
+
-- Find whether we need to return a category or not.
-- Helper functions
+
local function needsCategory(pageObject, args)
--------------------------------------------------------------------------------
+
    -- Don't categorise if the relevant options are set.
 
+
    if yesno(args[cfg.nocat])
local function trimWhitespace(s, removeBlanks)
+
        or yesno(args[cfg.categories]) == false
if type(s) ~= 'string' then
+
        or (
return s
+
            args[cfg.category2]
end
+
            and args[cfg.category2] ~= cfg.category2Yes
s = s:match('^%s*(.-)%s*$')
+
            and args[cfg.category2] ~= cfg.category2Negative
if removeBlanks then
+
        )
if s ~= '' then
+
    then
return s
+
        return false
else
+
    end
return nil
+
    -- If there is no pageObject available, then that either means that we are over
end
+
    -- the expensive function limit or that the title specified was invalid. Invalid
else
+
    -- titles will probably only be a problem during testing, so we choose the best
return s
+
    -- fallback for being over the expensive function limit. The fallback behaviour
end
+
    -- of the old template was to assume the page was not a subpage, so we will do
end
+
    -- the same here.
 
+
    if args[cfg.subpage] == cfg.subpageNo and pageObject and pageObject.isSubpage then
--------------------------------------------------------------------------------
+
        return false
-- CategoryHandler class
+
    end
--------------------------------------------------------------------------------
+
    if args[cfg.subpage] == cfg.subpageOnly
 
+
        and (not pageObject or (pageObject and not pageObject.isSubpage))
local CategoryHandler = {}
+
    then
CategoryHandler.__index = CategoryHandler
+
        return false
 
+
    end
function CategoryHandler.new(data, args)
+
    return true
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
 
+
function CategoryHandler:namespaceParametersExist()
+
-- Find whether we need to check the blacklist or not.
-- Find whether any namespace parameters have been specified.
+
local function needsBlacklistCheck(args)
-- We use the order "all" --> namespace params --> "other" as this is what
+
    if yesno(args[cfg.nocat]) == false
-- the old template did.
+
        or yesno(args[cfg.categories]) == true
if self:parameter('all') then
+
        or args[cfg.category2] == cfg.category2Yes
return true
+
    then
end
+
        return false
if not mappings then
+
    else
mShared = mShared or require('Module:Category handler/shared')
+
        return true
mappings = mShared.getParamMappings(true) -- gets mappings with mw.loadData
+
    end
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()
+
-- Find whether any namespace parameters have been specified.
local params = self:getNamespaceParameters()
+
-- Mappings is the table of parameter mappings taken from
local nsCategory
+
-- [[Module:Namespace detect]].
for i, param in ipairs(params) do
+
local function nsParamsExist(mappings, args)
local value = self._args[param]
+
    if args[cfg.all] or args[cfg.other] then
if value ~= nil then
+
        return true
nsCategory = value
+
    end
break
+
    for ns, params in pairs(mappings) do
end
+
        for i, param in ipairs(params) do
end
+
            if args[param] then
if nsCategory ~= nil or self:namespaceParametersExist() then
+
                return true
-- Namespace parameters exist - advanced usage.
+
            end
if nsCategory == nil then
+
        end
nsCategory = self:parameter('other')
+
    end
end
+
    return false
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
+
--                                          Global functions                                            --
--------------------------------------------------------------------------------
+
--      The following functions are global, because we want them to be accessible from #invoke and      --
 
+
--     from other Lua modules.                                                                        --
 +
----------------------------------------------------------------------------------------------------------
 +
 
local p = {}
 
local p = {}
 
+
function p._exportClasses()
+
-- Find if a string matches the blacklist. Returns the match if one is found, or nil otherwise.
-- Used for testing purposes.
+
-- Input should be a page title with a namespace prefix, e.g. "Wikipedia talk:Articles for deletion".
return {
+
function p.matchesBlacklist(page)
CategoryHandler = CategoryHandler
+
    if type(page) ~= 'string' then return end
}
+
    for i, pattern in ipairs(cfg.blacklist) do
 +
        local match = mw.ustring.match(page, pattern)
 +
        if match then
 +
            return match
 +
        end
 +
    end
 
end
 
end
 
+
function p._main(args, data)
+
-- The main structure of the module. Checks whether we need to categorise,
data = data or mw.loadData('Module:Category handler/data')
+
-- and then passes the relevant arguments to [[Module:Namespace detect]].
local handler = CategoryHandler.new(data, args)
+
function p._main(args)
if handler:isSuppressed() then
+
    -- Get the page object and argument mappings from
return nil
+
    -- [[Module:Namespace detect]], to save us from having to rewrite the
end
+
    -- code.
return handler:getCategories()
+
    local pageObject = nsDetect.getPageObject(args[cfg.page])
 +
    local mappings = nsDetect.getParamMappings()
 +
 +
    if not needsCategory(pageObject, args) then return end
 +
 +
    local ret = ''
 +
    -- Check blacklist if necessary.
 +
    if not needsBlacklistCheck(args) or not p.matchesBlacklist(pageObject.prefixedText) then
 +
        if not nsParamsExist(mappings, args) then
 +
            -- No namespace parameters exist; basic usage. Pass args[1] to
 +
            -- [[Module:Namespace detect]] using the default namespace
 +
            -- parameters, and return the result.
 +
            local ndargs = {}
 +
            for _, ndarg in ipairs(cfg.defaultNamespaces) do
 +
                ndargs[ndarg] = args[1]
 +
            end
 +
            ndargs.page = args.page
 +
            ndargs.demospace = args.demospace
 +
            local ndresult = nsDetect._main(ndargs)
 +
            if ndresult then
 +
                ret = ret .. ndresult
 +
            end
 +
        else
 +
            -- Namespace parameters exist; advanced usage.
 +
            -- If the all parameter is specified, return it.
 +
            local all = args.all
 +
            if type(all) == 'string' then
 +
                ret = ret .. all
 +
            end
 +
 +
            -- Get the arguments to pass to [[Module:Namespace detect]].
 +
            local ndargs = {}
 +
            for ns, params in pairs(mappings) do
 +
                for _, param in ipairs(params) do
 +
                    ndargs[param] = args[param] or args[cfg.other] or nil
 +
                end
 +
            end
 +
            ndargs.other = args.other
 +
            ndargs.page = args.page
 +
            ndargs.demospace = args.demospace
 +
 +
            local data = nsDetect._main(ndargs)
 +
 +
            -- Work out what to return based on the result of the namespace detect call.
 +
            local datanum = tonumber(data)
 +
            if type(datanum) == 'number' then
 +
                -- "data" is a number, so return that positional parameter.
 +
                -- Remove non-positive integer values, as only positive integers
 +
                -- from 1-10 were used with the old template.
 +
                if datanum > 0 and math.floor(datanum) == datanum then
 +
                    local dataArg = args[datanum]
 +
                    if type(dataArg) == 'string' then
 +
                        ret = ret .. dataArg
 +
                    end
 +
                end
 +
            else
 +
                -- "data" is not a number, so return it as it is.
 +
                if type(data) == 'string' then
 +
                    ret = ret .. data
 +
                end
 +
            end
 +
        end
 +
    end
 +
    return ret
 
end
 
end
 
+
function p.main(frame, data)
+
function p.main(frame)
data = data or mw.loadData('Module:Category handler/data')
+
    -- If called via #invoke, use the args passed into the invoking
local args = require('Module:Arguments').getArgs(frame, {
+
    -- template, or the args passed to #invoke if any exist. Otherwise
wrappers = data.wrappers,
+
    -- assume args are being passed directly in.
valueFunc = function (k, v)
+
    local origArgs
v = trimWhitespace(v)
+
    if frame == mw.getCurrentFrame() then
if type(k) == 'number' then
+
        origArgs = frame:getParent().args
if v ~= '' then
+
        for k, v in pairs(frame.args) do
return v
+
            origArgs = frame.args
else
+
            break
return nil
+
        end
end
+
    else
else
+
        origArgs = frame
return v
+
    end
end
+
end
+
    -- Trim whitespace and remove blank arguments for the following args:
})
+
    -- 1, 2, 3 etc., "nocat", "categories", "subpage", and "page".
return p._main(args, data)
+
    local args = {}
 +
    for k, v in pairs(origArgs) do
 +
        if type(v) == 'string' then
 +
            v = mw.text.trim(v) -- Trim whitespace.
 +
        end
 +
        if type(k) == 'number'
 +
            or k == cfg.nocat
 +
            or k == cfg.categories
 +
            or k == cfg.subpage
 +
            or k == cfg.page
 +
        then
 +
            if v ~= '' then
 +
                args[k] = v
 +
            end
 +
        else
 +
            args[k] = v
 +
        end
 +
    end
 +
 +
    -- Lower-case "nocat", "categories", "category2", and "subpage". These
 +
    -- parameters are put in lower case whenever they appear in the old
 +
    -- template, so we can just do it once here and save ourselves some work.
 +
    local lowercase = {cfg.nocat, cfg.categories, cfg.category2, cfg.subpage}
 +
    for _, v in ipairs(lowercase) do
 +
        local argVal = args[v]
 +
        if type(argVal) == 'string' then
 +
            args[v] = mw.ustring.lower(argVal)
 +
        end
 +
    end
 +
 +
    return p._main(args)
 
end
 
end
 
+
 
return p
 
return p

ひつじ小屋別館2代目への投稿はすべて、他の投稿者によって編集、変更、除去される場合があります。 自分が書いたものが他の人に容赦なく編集されるのを望まない場合は、ここに投稿しないでください。
また、投稿するのは、自分で書いたものか、パブリック ドメインまたはそれに類するフリーな資料からの複製であることを約束してください(詳細はひつじ小屋別館2代目:著作権を参照)。 著作権保護されている作品は、許諾なしに投稿しないでください!

このページを編集するには、下記の確認用の質問に回答してください (詳細):

取り消し | 編集の仕方 (新しいウィンドウで開きます)