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-- This | -------------------------------------------------------------------------------- | ||
-- | -- Module:Hatnote -- | ||
-- | -- -- | ||
-- | -- This module produces hatnote links and links to related articles. It -- | ||
-- implements the {{hatnote}} and {{format link}} meta-templates and includes -- | |||
-- | -- helper functions for other Lua hatnote modules. -- | ||
-------------------------------------------------------------------------------- | |||
-- | |||
return | local libraryUtil = require('libraryUtil') | ||
local checkType = libraryUtil.checkType | |||
local mArguments -- lazily initialise [[Module:Arguments]] | |||
local yesno -- lazily initialise [[Module:Yesno]] | |||
local p = {} | |||
-------------------------------------------------------------------------------- | |||
-- Helper functions | |||
-------------------------------------------------------------------------------- | |||
local function getArgs(frame) | |||
-- Fetches the arguments from the parent frame. Whitespace is trimmed and | |||
-- blanks are removed. | |||
mArguments = require('Module:Arguments') | |||
return mArguments.getArgs(frame, {parentOnly = true}) | |||
end | |||
local function removeInitialColon(s) | |||
-- Removes the initial colon from a string, if present. | |||
return s:match('^:?(.*)') | |||
end | |||
function p.findNamespaceId(link, removeColon) | |||
-- Finds the namespace id (namespace number) of a link or a pagename. This | |||
-- function will not work if the link is enclosed in double brackets. Colons | |||
-- are trimmed from the start of the link by default. To skip colon | |||
-- trimming, set the removeColon parameter to false. | |||
checkType('findNamespaceId', 1, link, 'string') | |||
checkType('findNamespaceId', 2, removeColon, 'boolean', true) | |||
if removeColon ~= false then | |||
link = removeInitialColon(link) | |||
end | |||
local namespace = link:match('^(.-):') | |||
if namespace then | |||
local nsTable = mw.site.namespaces[namespace] | |||
if nsTable then | |||
return nsTable.id | |||
end | |||
end | |||
return 0 | |||
end | |||
function p.formatPages(...) | |||
-- Formats a list of pages using formatLink and returns it as an array. Nil | |||
-- values are not allowed. | |||
local pages = {...} | |||
local ret = {} | |||
for i, page in ipairs(pages) do | |||
ret[i] = p._formatLink(page) | |||
end | |||
return ret | |||
end | |||
function p.formatPageTables(...) | |||
-- Takes a list of page/display tables and returns it as a list of | |||
-- formatted links. Nil values are not allowed. | |||
local pages = {...} | |||
local links = {} | |||
for i, t in ipairs(pages) do | |||
checkType('formatPageTables', i, t, 'table') | |||
local link = t[1] | |||
local display = t[2] | |||
links[i] = p._formatLink(link, display) | |||
end | |||
return links | |||
end | |||
function p.makeWikitextError(msg, helpLink, addTrackingCategory, title) | |||
-- Formats an error message to be returned to wikitext. If | |||
-- addTrackingCategory is not false after being returned from | |||
-- [[Module:Yesno]], and if we are not on a talk page, a tracking category | |||
-- is added. | |||
checkType('makeWikitextError', 1, msg, 'string') | |||
checkType('makeWikitextError', 2, helpLink, 'string', true) | |||
yesno = require('Module:Yesno') | |||
title = title or mw.title.getCurrentTitle() | |||
-- Make the help link text. | |||
local helpText | |||
if helpLink then | |||
helpText = ' ([[' .. helpLink .. '|help]])' | |||
else | |||
helpText = '' | |||
end | |||
-- Make the category text. | |||
local category | |||
if not title.isTalkPage and yesno(addTrackingCategory) ~= false then | |||
category = 'Hatnote templates with errors' | |||
category = string.format( | |||
'[[%s:%s]]', | |||
mw.site.namespaces[14].name, | |||
category | |||
) | |||
else | |||
category = '' | |||
end | |||
return string.format( | |||
'<strong class="error">Error: %s%s.</strong>%s', | |||
msg, | |||
helpText, | |||
category | |||
) | |||
end | |||
function p.disambiguate(page, disambiguator) | |||
-- Formats a page title with a disambiguation parenthetical, | |||
-- i.e. "Example" → "Example (disambiguation)". | |||
checkType('disambiguate', 1, page, 'string') | |||
checkType('disambiguate', 2, disambiguator, 'string', true) | |||
disambiguator = disambiguator or 'disambiguation' | |||
return string.format('%s (%s)', page, disambiguator) | |||
end | |||
-------------------------------------------------------------------------------- | |||
-- Format link | |||
-- | |||
-- Makes a wikilink from the given link and display values. Links are escaped | |||
-- with colons if necessary, and links to sections are detected and displayed | |||
-- with " § " as a separator rather than the standard MediaWiki "#". Used in | |||
-- the {{format hatnote link}} template. | |||
-------------------------------------------------------------------------------- | |||
function p.formatLink(frame) | |||
local args = getArgs(frame) | |||
local link = args[1] | |||
local display = args[2] | |||
if not link then | |||
return p.makeWikitextError( | |||
'no link specified', | |||
'Template:Format hatnote link#Errors', | |||
args.category | |||
) | |||
end | |||
return p._formatLink(link, display) | |||
end | |||
function p._formatLink(link, display) | |||
checkType('_formatLink', 1, link, 'string') | |||
checkType('_formatLink', 2, display, 'string', true) | |||
-- Remove the initial colon for links where it was specified manually. | |||
link = removeInitialColon(link) | |||
-- Find whether a faux display value has been added with the {{!}} magic | |||
-- word. | |||
if not display then | |||
local prePipe, postPipe = link:match('^(.-)|(.*)$') | |||
link = prePipe or link | |||
display = postPipe | |||
end | |||
-- Find the display value. | |||
if not display then | |||
local page, section = link:match('^(.-)#(.*)$') | |||
if page then | |||
display = page .. ' § ' .. section | |||
end | |||
end | |||
-- Assemble the link. | |||
if display then | |||
return string.format( | |||
'[[:%s|%s]]', | |||
string.gsub(link, '|(.*)$', ''), --display overwrites manual piping | |||
display | |||
) | |||
else | |||
return string.format('[[:%s]]', link) | |||
end | |||
end | |||
-------------------------------------------------------------------------------- | |||
-- Hatnote | |||
-- | |||
-- Produces standard hatnote text. Implements the {{hatnote}} template. | |||
-------------------------------------------------------------------------------- | |||
function p.hatnote(frame) | |||
local args = getArgs(frame) | |||
local s = args[1] | |||
local options = {} | |||
if not s then | |||
return p.makeWikitextError( | |||
'no text specified', | |||
'Template:Hatnote#Errors', | |||
args.category | |||
) | |||
end | |||
options.extraclasses = args.extraclasses | |||
options.selfref = args.selfref | |||
return p._hatnote(s, options) | |||
end | |||
function p._hatnote(s, options) | |||
checkType('_hatnote', 1, s, 'string') | |||
checkType('_hatnote', 2, options, 'table', true) | |||
options = options or {} | |||
local classes = {'hatnote', 'navigation-not-searchable'} | |||
local extraclasses = options.extraclasses | |||
local selfref = options.selfref | |||
if type(extraclasses) == 'string' then | |||
classes[#classes + 1] = extraclasses | |||
end | |||
if selfref then | |||
classes[#classes + 1] = 'selfref' | |||
end | |||
return string.format( | |||
'<div role="note" class="%s">%s</div>', | |||
table.concat(classes, ' '), | |||
s | |||
) | |||
end | |||
return p |