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local mHatnote = require('Module:Hatnote')
local mHatList = require('Module:Hatnote list')
local mArguments --lazily initialize
local libraryUtil = require('libraryUtil')
local checkType = libraryUtil.checkType
function p.redirect(frame)
mArguments = require('Module:Arguments')
-- Get the args table and work out the maximum arg key.
local args = mArguments.getArgs(frame, {parentOnly=true})
local origArgs = frame:getParent().args
--Get number of redirects
local args = {}
local numRedirects = tonumber(frame.args[1]) or 1
local maxArg = 0
-- Create the options table.
for k, v in pairs(origArgs) do
local options = {}
if type(k) == 'number' and k > maxArg then
options.selfref = args.selfref
maxArg = k
return p._redirect(args, numRedirects, options)
end
end
v = v:match('^%s*(.-)%s*$') -- Trim whitespace
if v ~= '' then
args[k] = v
end
end
function p._redirect(args, numRedirects, options, currentTitle, redirectTitle, targetTitle)
--Get table of redirects
-- Validate the input. Don't bother checking currentTitle, redirectTitle or
local numRedirects = tonumber(frame.args[1]) or 1
-- targetTitle, as they are only used in testing.
checkType('_redirect', 1, args, 'table')
checkType('_redirect', 2, numRedirects, 'number', true)
numRedirects = numRedirects or 1
checkType('_redirect', 3, options, 'table', true)
options = options or {}
currentTitle = currentTitle or mw.title.getCurrentTitle()
-- Get the table of redirects
local redirect = {}
for i = 1, numRedirects do
redirect[i] = args[i]
end
-- Create the data table.
local data = {}
local iArg = numRedirects - 1
local iData = 1
repeat
iArg = iArg + 2
local useTable = data[iData] or {}
local pages = useTable.pages or {}
local use = args[iArg]
local page = args[iArg + 1]
local nextUse = args[iArg + 2]
--Tracking for and-gaps
if (page == nil) and (nextUse == 'and' or use == 'and') then
--It's an "unusual cat". Get it? :P
local cheshire = '[[Category:Hatnote templates using unusual parameters]]'
if use ~= nil and use ~= 'and' then
use = use .. cheshire
elseif useTable.use ~= nil then
useTable.use = useTable.use .. cheshire
else
--Previous tracking suggests this won't change behaviour in
--practice, for any extant uses, but it does change behaviour in
--theory.
use = 'other uses' .. cheshire
end
end
pages[#pages + 1] = page
useTable.pages = pages
if use ~= 'and' then
useTable.use = use
end
data[iData] = useTable
if nextUse ~= 'and' then
iData = iData + 1
end
until iArg >= maxArg - 1
-- Create the options table.
local options = {}
options.selfref = args.selfref
return p._redirect(redirect, data, options)
end
local function formatUseTable(useTable, isFirst, redirect)
-- Formats one use table. Use tables are the tables inside the data array.
-- Each one corresponds to one use. (A use might be the word "cats" in the
-- phrase "For cats, see [[Felines]]".)
-- Returns a string, or nil if no use was specified.
-- The isFirst parameter is legacy, but partly maintained for its effect of
-- cancelling empty use items.
useTable = useTable or {}
local use
if not (useTable.use or isFirst) then
if (not isFirst) and useTable.pages and #useTable.pages ~= 0 then
return '[[Category:Hatnote templates using unusual parameters]]'
else
return nil
end
end
use = useTable.use or 'other uses'
local pages = useTable.pages or {}
redirect = redirect[1] or error(
'no redirect was supplied',
2
)
pages[1] = pages[1] or redirect .. ' (disambiguation)'
pages = mHatnote.formatPages(unpack(pages))
pages = mw.text.listToText(pages)
return string.format(
'For %s, see %s.',
use,
pages
)
end
function p._redirect(redirect, data, options, currentTitle, redirectTitle, targetTitle)
-- Validate the input. Don't bother checking currentTitle, redirectTitle or
-- targetTitle, as they are only used in testing.
checkTypeMulti('_redirect', 1, redirect, {'string', 'table'})
-- String type can stay valid until extant use-cases are checked-for and
-- updated, but we'll coerce them to table for now
if type(redirect) == 'string' then redirect = {redirect} end
checkType('_redirect', 2, data, 'table', true)
checkType('_redirect', 3, options, 'table', true)
data = data or {}
options = options or {}
currentTitle = currentTitle or mw.title.getCurrentTitle()
-- Generate the text.
local text = {}
local formattedRedirect = {}
for k,v in pairs(redirect) do
formattedRedirect[k] = '"' .. v .. '"'
end
local text = {
text[#text + 1] = mw.text.listToText(formattedRedirect) .. ' ' .. (#redirect == 1 and 'redirects' or 'redirect') .. ' here.'
mHatList.andList(formattedRedirect) .. ' ' .. (#redirect == 1 and 'redirects' or 'redirect') .. ' here.',
text[#text + 1] = formatUseTable(data[1] or {}, true, redirect)
mHatList._forSee(args, #redirect + 1, {title = redirect[1]})
if data[1] and data[1].use then
}
for i = 2, #data do
text[#text + 1] = formatUseTable(data[i] or {}, false, redirect)
end
end
text = table.concat(text, ' ')
-- Functionality for adding categories
local categoryTable = {}
--add categories to a table by index, so we don't get duplicates
function addCategory(cat)
if cat and cat ~= '' then
-- Add by index to avoid duplicates
categoryTable[string.format('[[Category:%s]]', cat)] = true
end
end
--Generate tracking categories
local mhOptions = {}
for k,v in pairs(redirect) do
-- Generate the tracking category.
-- We don't need a tracking category if the template invocation has been
-- copied directly from the docs, or if we aren't in main- or category-space.
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