Difference between revisions of "Module:Category handler/sandbox"
Jump to navigation
Jump to search
blackwiki>Mr. Stradivarius (move yesno processing to CategoryHandler:initialize and start switching things out of the p._main function) |
blackwiki>Mr. Stradivarius (finish moving p._main code into the class definition, and allow the parameter aliases to be loaded with mw.loadData) |
||
Line 16: | Line 16: | ||
-- Load required modules | -- Load required modules | ||
local class = require('Module:Middleclass').class | local class = require('Module:Middleclass').class | ||
− | |||
local yesno = require('Module:Yesno') | local yesno = require('Module:Yesno') | ||
+ | |||
+ | -- Lazily load things we don't always need | ||
+ | local mShared, mNamespaceDetect | ||
local p = {} | local p = {} | ||
Line 42: | Line 44: | ||
end | end | ||
end | end | ||
− | |||
− | |||
− | |||
-- Set suppression parameter values | -- Set suppression parameter values | ||
Line 108: | Line 107: | ||
return self._data.currentTitleMatchesBlacklist | return self._data.currentTitleMatchesBlacklist | ||
else | else | ||
− | + | mShared = mShared or require('Module:Category handler/shared') | |
+ | return mShared.matchesBlacklist( | ||
self.title.prefixedText, | self.title.prefixedText, | ||
mw.loadData('Module:Category handler/blacklist') | mw.loadData('Module:Category handler/blacklist') | ||
Line 122: | Line 122: | ||
end | end | ||
− | function CategoryHandler: | + | function CategoryHandler:getNamespaceParameters() |
− | + | if self._usesCurrentTitle then | |
− | + | return self._data.currentTitleNamespaceParameters | |
− | + | else | |
− | + | mShared = mShared or require('Module:Category handler/shared') | |
− | return | + | mNamespaceDetect = mNamespaceDetect or require('Module:Namespace detect') |
+ | return mShared.getNamespaceParameters( | ||
+ | self.title, | ||
+ | mNamespaceDetect.getParamMappings() | ||
+ | ) | ||
end | end | ||
− | + | end | |
− | + | ||
− | + | function CategoryHandler:getCategories() | |
− | + | local params = self:getNamespaceParameters() | |
− | + | local nsCategory | |
+ | for i, param in ipairs(params) do | ||
+ | local value = self._args[param] | ||
+ | if value ~= nil then | ||
+ | nsCategory = value | ||
+ | break | ||
end | end | ||
end | end | ||
− | if self:parameter('other') then | + | if nsCategory == nil then |
− | return | + | nsCategory = self:parameter('other') |
+ | end | ||
+ | if nsCategory ~= nil then | ||
+ | -- Namespace parameters exist - advanced usage. | ||
+ | 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 | end | ||
− | |||
end | end | ||
Line 157: | Line 184: | ||
function p._main(args) | function p._main(args) | ||
local data = mw.loadData('Module:Category handler/data') | local data = mw.loadData('Module:Category handler/data') | ||
− | local | + | local handler = CategoryHandler:new(data, args) |
− | if | + | if handler:isSuppressed() then |
return nil | return nil | ||
end | end | ||
− | + | return handler:getCategories() | |
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
end | end | ||
Revision as of 15:24, 7 July 2014
Documentation for this module may be created at Module:Category handler/sandbox/doc
--------------------------------------------------------------------------------
-- --
-- CATEGORY HANDLER --
-- --
-- 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 --
-- the local wiki. This module requires [[Module:Namespace detect]] --
-- 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 class = require('Module:Middleclass').class
local yesno = require('Module:Yesno')
-- Lazily load things we don't always need
local mShared, mNamespaceDetect
local p = {}
--------------------------------------------------------------------------------
-- CategoryHandler class
--------------------------------------------------------------------------------
local CategoryHandler = class('CategoryHandler')
function CategoryHandler:initialize(data, args)
self._data = data
self._args = args
-- Set the title object
do
local pagename = self:parameter('demopage')
local success, titleObj = pcall(mw.title.new, pagename)
if success and titleObj then
self.title = titleObj
else
self.title = mw.title.getCurrentTitle()
self._usesCurrentTitle = true
end
end
-- Set suppression parameter values
self._nocat = yesno(self:parameter('nocat'))
self._categories = yesno(self:parameter('categories'))
for _, key in ipairs{'category2', 'subpage'} do
local value = self:parameter(key)
if type(value) == 'string' then
value = mw.ustring.lower(value)
end
self['_' .. key] = value
end
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
mShared = mShared or require('Module:Category handler/shared')
mNamespaceDetect = mNamespaceDetect or require('Module:Namespace detect')
return mShared.getNamespaceParameters(
self.title,
mNamespaceDetect.getParamMappings()
)
end
end
function CategoryHandler:getCategories()
local params = self:getNamespaceParameters()
local nsCategory
for i, param in ipairs(params) do
local value = self._args[param]
if value ~= nil then
nsCategory = value
break
end
end
if nsCategory == nil then
nsCategory = self:parameter('other')
end
if nsCategory ~= nil then
-- Namespace parameters exist - advanced usage.
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
end
--------------------------------------------------------------------------------
-- Exports
--------------------------------------------------------------------------------
local p = {}
function p._exportClasses()
-- Used for testing purposes.
return {
CategoryHandler = CategoryHandler
}
end
function p._main(args)
local data = mw.loadData('Module:Category handler/data')
local handler = CategoryHandler:new(data, args)
if handler:isSuppressed() then
return nil
end
return handler:getCategories()
end
function p.main(frame)
-- If called via #invoke, use the args passed into the invoking
-- template, or the args passed to #invoke if any exist. Otherwise
-- assume args are being passed directly in.
local origArgs
if frame == mw.getCurrentFrame() then
origArgs = frame:getParent().args
for k, v in pairs(frame.args) do
origArgs = frame.args
break
end
else
origArgs = frame
end
-- Trim whitespace and remove blank arguments for the following args:
-- 1, 2, 3 etc., "nocat", "categories", "subpage", and "page".
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 == data.nocat
or k == data.categories
or k == data.subpage
or k == data.page
then
if v ~= '' then
args[k] = v
end
else
args[k] = v
end
end
return p._main(args)
end
return p