Module:Hatnote: Difference between revisions

From Solas Tempus DB
m (1 revision imported)
 
(Fix for fragile conditional)
Line 9: Line 9:
local libraryUtil = require('libraryUtil')
local libraryUtil = require('libraryUtil')
local checkType = libraryUtil.checkType
local checkType = libraryUtil.checkType
local checkTypeForNamedArg = libraryUtil.checkTypeForNamedArg
local mArguments -- lazily initialise [[Module:Arguments]]
local mArguments -- lazily initialise [[Module:Arguments]]
local yesno -- lazily initialise [[Module:Yesno]]
local yesno -- lazily initialise [[Module:Yesno]]
local formatLink -- lazily initialise [[Module:Format link]] ._formatLink


local p = {}
local p = {}
Line 17: Line 19:
-- Helper functions
-- Helper functions
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
local curNs = mw.title.getCurrentTitle().namespace
p.missingTargetCat =
--Default missing target category, exported for use in related modules
((curNs ==  0) or (curNs == 14)) and
'Articles with hatnote templates targeting a nonexistent page' or nil


local function getArgs(frame)
local function getArgs(frame)
Line 48: Line 56:
end
end
return 0
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
end


Line 93: Line 76:
-- Make the category text.
-- Make the category text.
local category
local category
if not title.isTalkPage and yesno(addTrackingCategory) ~= false then
if not title.isTalkPage -- Don't categorise talk pages
and title.namespace ~= 2 -- Don't categorise userspace
and yesno(addTrackingCategory) ~= false -- Allow opting out
then
category = 'Hatnote templates with errors'
category = 'Hatnote templates with errors'
category = string.format(
category = mw.ustring.format(
'[[%s:%s]]',
'[[%s:%s]]',
mw.site.namespaces[14].name,
mw.site.namespaces[14].name,
Line 103: Line 89:
category = ''
category = ''
end
end
return string.format(
return mw.ustring.format(
'<strong class="error">Error: %s%s.</strong>%s',
'<strong class="error">Error: %s%s.</strong>%s',
msg,
msg,
Line 117: Line 103:
checkType('disambiguate', 2, disambiguator, 'string', true)
checkType('disambiguate', 2, disambiguator, 'string', true)
disambiguator = disambiguator or 'disambiguation'
disambiguator = disambiguator or 'disambiguation'
return string.format('%s (%s)', page, disambiguator)
return mw.ustring.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 .. ' §&nbsp;' .. 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
end


Line 187: Line 115:
local args = getArgs(frame)
local args = getArgs(frame)
local s = args[1]
local s = args[1]
local options = {}
if not s then
if not s then
return p.makeWikitextError(
return p.makeWikitextError(
Line 195: Line 122:
)
)
end
end
options.extraclasses = args.extraclasses
return p._hatnote(s, {
options.selfref = args.selfref
extraclasses = args.extraclasses,
return p._hatnote(s, options)
selfref = args.selfref
})
end
end


Line 204: Line 132:
checkType('_hatnote', 2, options, 'table', true)
checkType('_hatnote', 2, options, 'table', true)
options = options or {}
options = options or {}
local classes = {'hatnote'}
local inline = options.inline
local extraclasses = options.extraclasses
local hatnote = mw.html.create(inline == 1 and 'span' or 'div')
local selfref = options.selfref
local extraclasses
if type(extraclasses) == 'string' then
if type(options.extraclasses) == 'string' then
classes[#classes + 1] = extraclasses
extraclasses = options.extraclasses
end
end
if selfref then
 
classes[#classes + 1] = 'selfref'
hatnote
end
:attr('role', 'note')
return string.format(
:addClass(inline == 1 and 'hatnote-inline' or 'hatnote')
'<div role="note" class="%s">%s</div>',
:addClass('navigation-not-searchable')
table.concat(classes, ' '),
:addClass(extraclasses)
s
:addClass(options.selfref and 'selfref' or nil)
)
:wikitext(s)
return mw.getCurrentFrame():extensionTag{
name = 'templatestyles', args = { src = 'Module:Hatnote/styles.css' }
} .. tostring(hatnote)
end
end


return p
return p

Revision as of 04:14, 6 June 2022

Documentation for this module may be created at Module:Hatnote/doc

--------------------------------------------------------------------------------
--                              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.                            --
--------------------------------------------------------------------------------

local libraryUtil = require('libraryUtil')
local checkType = libraryUtil.checkType
local checkTypeForNamedArg = libraryUtil.checkTypeForNamedArg
local mArguments -- lazily initialise [[Module:Arguments]]
local yesno -- lazily initialise [[Module:Yesno]]
local formatLink -- lazily initialise [[Module:Format link]] ._formatLink

local p = {}

--------------------------------------------------------------------------------
-- Helper functions
--------------------------------------------------------------------------------

local curNs = mw.title.getCurrentTitle().namespace
p.missingTargetCat =
	--Default missing target category, exported for use in related modules
	((curNs ==  0) or (curNs == 14)) and
	'Articles with hatnote templates targeting a nonexistent page' or nil

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.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 -- Don't categorise talk pages
		and title.namespace ~= 2 -- Don't categorise userspace
		and yesno(addTrackingCategory) ~= false -- Allow opting out
	then
		category = 'Hatnote templates with errors'
		category = mw.ustring.format(
			'[[%s:%s]]',
			mw.site.namespaces[14].name,
			category
		)
	else
		category = ''
	end
	return mw.ustring.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 mw.ustring.format('%s (%s)', page, disambiguator)
end

--------------------------------------------------------------------------------
-- Hatnote
--
-- Produces standard hatnote text. Implements the {{hatnote}} template.
--------------------------------------------------------------------------------

function p.hatnote(frame)
	local args = getArgs(frame)
	local s = args[1]
	if not s then
		return p.makeWikitextError(
			'no text specified',
			'Template:Hatnote#Errors',
			args.category
		)
	end
	return p._hatnote(s, {
		extraclasses = args.extraclasses,
		selfref = args.selfref
	})
end

function p._hatnote(s, options)
	checkType('_hatnote', 1, s, 'string')
	checkType('_hatnote', 2, options, 'table', true)
	options = options or {}
	local inline = options.inline
	local hatnote = mw.html.create(inline == 1 and 'span' or 'div')
	local extraclasses
	if type(options.extraclasses) == 'string' then
		extraclasses = options.extraclasses
	end

	hatnote
		:attr('role', 'note')
		:addClass(inline == 1 and 'hatnote-inline' or 'hatnote')
		:addClass('navigation-not-searchable')
		:addClass(extraclasses)
		:addClass(options.selfref and 'selfref' or nil)
		:wikitext(s)
	
	return mw.getCurrentFrame():extensionTag{
		name = 'templatestyles', args = { src = 'Module:Hatnote/styles.css' }
	} .. tostring(hatnote)
end

return p