Module:Protection banner
From MINR.ORG WIKI
Revision as of 16:01, 11 March 2014 by Mr. Stradivarius (talk) (add some lengthy comments explaining what's going on)
Documentation for this module may be created at Module:Protection banner/doc
-- This module implements {{pp-meta}} and its daughter templates such as
-- {{pp-dispute}}, {{pp-vandalism}} and {{pp-sock}}.
local categories = {
-- The key strings follow this format:
-- type, level, ns, reason, expiry
['edit-autoconfirmed-user-all-all'] = 'Wikipedia semi-protected user and user talk pages',
['edit-autoconfirmed-project-all-all'] = 'Semi-protected project pages',
['edit-autoconfirmed-file-all-all'] = 'Semi-protected images',
['edit-autoconfirmed-template-all-all'] = 'Wikipedia semi-protected templates',
['edit-autoconfirmed-portal-all-all'] = 'Semi-protected portals',
['edit-autoconfirmed-talk-all-all'] = 'Semi-protected talk pages',
['edit-autoconfirmed-all-vandalism-all'] = 'Wikipedia pages semi-protected against vandalism',
['edit-sysop-user-all-all'] = 'Wikipedia protected user and user talk pages',
['edit-sysop-file-all-all'] = 'Protected images',
['edit-sysop-project-all-all'] = 'Protected project pages',
['edit-sysop-template-all-all'] = 'Wikipedia protected templates',
['edit-sysop-talk-all-all'] = 'Protected talk pages',
['edit-sysop-all-vandalism-all'] = 'Wikipedia pages protected against vandalism',
['edit-autoconfirmed-all-dispute-all'] = 'Wikipedia pages semi-protected due to dispute',
['edit-sysop-all-dispute-all'] = 'Wikipedia pages protected due to dispute',
['move-sysop-all-dispute-all'] = 'Wikipedia pages move-protected due to dispute',
['move-sysop-user-all-all'] = 'Wikipedia move-protected user and user talk pages',
['move-sysop-project-all-all'] = 'Wikipedia move-protected project pages',
['move-sysop-portal-all-all'] = 'Wikipedia move-protected portals',
['move-sysop-all-vandalism-all'] = 'Wikipedia pages move-protected due to vandalism',
['edit-autoconfirmed-template-all-all'] = 'Wikipedia semi-protected templates',
['move-sysop-template-all-all'] = 'Wikipedia move-protected templates',
['edit-all-template-all-all'] = 'Wikipedia protected templates',
['move-sysop-portal-all-all'] = 'Wikipedia move-protected portals',
['edit-autoconfirmed-all-sock-all'] = 'Wikipedia pages semi-protected from banned users',
['edit-sysop-all-sock-all'] = 'Wikipedia pages protected from banned users',
['edit-autoconfirmed-all-blp-temp'] = 'Wikipedia temporarily semi-protected biographies of living people',
['edit-sysop-all-blp-temp'] = 'Wikipedia temporarily protected biographies of living people',
['edit-autoconfirmed-all-blp-all'] = 'Wikipedia indefinitely semi-protected biographies of living people',
['edit-sysop-all-blp-all'] = 'Wikipedia indefinitely protected biographies of living people',
['edit-autoconfirmed-all-all-indef'] = 'Wikipedia indefinitely semi-protected pages',
['edit-autoconfirmed-category-all-all'] = 'Wikipedia semi-protected categories',
['edit-sysop-category-all-all'] = 'Wikipedia protected categories',
['move-sysop-talk-all-all'] = 'Wikipedia move-protected talk pages',
['move-sysop-all-all-indef'] = 'Wikipedia indefinitely move-protected pages',
['edit-autoconfirmed-all-all-all'] = 'Wikipedia semi-protected pages',
['move-sysop-all-all-all'] = 'Wikipedia move-protected pages',
['pc-autoconfirmed-all-all-all'] = 'Wikipedia pending changes protected pages (level 1)',
['pc-reviewer-all-all-all'] = 'Wikipedia pending changes protected pages (level 2)',
['all-all-all-office-all'] = 'Wikipedia Office-protected pages',
['all-all-all-all-all'] = 'Wikipedia protected pages',
}
local nskeys = {
[2] = 'user',
[3] = 'user',
[4] = 'project',
[6] = 'file',
[10] = 'template',
[12] = 'project',
[14] = 'category',
[100] = 'portal',
}
local behaviors = {
vandalism = 'namespaceFirst',
dispute = 'reasonFirst',
blp = 'reasonFirst',
sock = 'reasonFirst',
office = 'reasonFirst',
}
--[[
-- Not currently used
local error_categories = {
incorrect = 'Wikipedia pages with incorrect protection templates',
no_expiry = 'Wikipedia protected pages without expiry',
create = 'Wikipedia pages tagged as create-protected',
template = 'Wikipedia template-protected pages other than templates and modules'
}
--]]
--------------------------------------------------------------------------------
-- Main functions
--------------------------------------------------------------------------------
-- Define often-used functions as local variables.
local tconcat = table.concat
local ceil = math.ceil
local p = {}
function p.matchNamespace(ns)
-- Matches a namespace number to a string that can be passed to the
-- namespace parameter of p.getCategoryName.
if not ns or type(ns) ~= 'number' then
return nil
end
local nskey = nskeys[ns]
if not nskey and ns % 2 == 1 then
nskey = 'talk'
end
return nskey
end
function p.getCategoryName(cats, protType, protLevel, namespace, reason, expiry)
--[[
-- Gets a category name from the category table, given a combination of
-- the protection type, the protection level, the namespace number, the
-- reason for protection, and the expiry date.
--]]
cats = cats or categories
--[[
-- Define the initial order to test properties in. The subtable position
-- is the order the properties will be tested in, and the pos value in
-- each subtable is the position of the value in the category key.
--]]
local properties = {
{pos = 5, val = expiry},
{pos = 3, val = p.matchNamespace(namespace)},
{pos = 2, val = protLevel},
{pos = 1, val = protType},
{pos = 4, val = reason}
}
--[[
-- Validate reason, and if it is specified as a "namespaceFirst" reason,
-- move the namespace subtable to the end of the properties table.
-- This is necessary to accommodate reasons like "vandalism", as the old
-- {{pp-vandalism}} template used namespace categories rather than
-- vandalism categories if they were available.
--]]
local behavior = 'reasonFirst'
if reason then
behavior = behaviors[reason]
if behavior == 'namespaceFirst' then
table.insert(properties, table.remove(properties, 2))
elseif behavior ~= 'reasonFirst' then
error(reason .. ' is not a valid reason')
end
end
--[[
-- Define the attempt order. Properties with no value defined are moved
-- to the end, where they will later be given the value "all". This is
-- to cut down on the number of table lookups in the cats table, which
-- grows exponentially with the number of properties with valid values.
-- We keep track of the number of active properties with the noActive
-- parameter.
--]]
local active, inactive = {}, {}
for i, t in ipairs(properties) do
if t.val then
active[#active + 1] = t
else
inactive[#inactive + 1] = t
end
end
local noActive = #active
local attemptOrder = active
for i, t in ipairs(inactive) do
attemptOrder[#attemptOrder + 1] = t
end
--[[
-- Check increasingly generic key combinations until we find a match.
-- If a specific category exists for the combination of properties
-- we are given, that match will be found first. If not, we keep
-- trying different key combinations until we match using the key
-- "all-all-all-all-all".
--
-- To generate the keys, we index the property subtables using a
-- binary matrix with indexes i and j. j is only calculated up to
-- the number of active properties. For example, if there were three
-- active properties, the matrix would look like this, with 0
-- corresponding to the string "all", and 1 corresponding to the
-- val field in the property table:
--
-- j 1 2 3
-- i
-- 1 1 1 1
-- 2 0 1 1
-- 3 1 0 1
-- 4 0 0 1
-- 5 1 1 0
-- 6 0 1 0
-- 7 1 0 0
-- 8 0 0 0
--
-- Values of j higher than the number of active properties are set
-- to the string "all".
--
-- A key for the category table is constructed for each value of i.
-- The correct position of the value in the key is determined by the
-- pos field in the property table.
--]]
for i = 1, 2^noActive do
local key = {}
for j, t in ipairs(attemptOrder) do
local pos = t.pos
local val = t.val
if j > noActive then
key[pos] = 'all'
else
local quotient = i / 2 ^ (j - 1)
quotient = ceil(quotient)
if quotient % 2 == 1 then
key[pos] = val
else
key[pos] = 'all'
end
end
end
key = tconcat(key, '-')
mw.log(key) -- for debugging
local attempt = cats[key]
if attempt then
return attempt
end
end
error('No category match found; please define the category for key "all-all-all-all-all"')
end
return p