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Difference between revisions of "Module:Hatnote"

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en>Mr. Stradivarius
(parse pages for section-only links as nil - this prevents section-only links that have an italicized page parameter from having empty <i></i> tags)
 
m (3 revisions imported: Imported from Fandom)
 
(2 intermediate revisions by 2 users not shown)
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−
--------------------------------------------------------------------------------
+
-- This Module is used for making templates based in the Lua language.
−
--                              Module:Hatnote                                --
+
-- See more details about Lua in [[w:Help:Lua]].
−
--                                                                            --
+
-- The Fandom Developer's Wiki hosts Global Lua Modules that can be imported and locally overridden.
−
-- This module produces hatnote links and links to related articles. It      --
+
-- The next line imports the Hatnote module from the [[w:c:dev:Global Lua Modules]].
−
-- implements the {{hatnote}} and {{format link}} meta-templates and includes --
+
local H = require('Dev:Hatnote')
−
-- helper functions for other Lua hatnote modules.                           --
+
-- See more details about this module at [[w:c:dev:Global_Lua_Modules/Hatnote]]
−
--------------------------------------------------------------------------------
+
−
 
+
-- The last line produces the output for the template
−
local libraryUtil = require('libraryUtil')
+
return H
−
local checkType = libraryUtil.checkType
 
−
local checkTypeForNamedArg = libraryUtil.checkTypeForNamedArg
 
−
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{link = 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 = link, display = 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 -- Don't categorise talk pages
 
−
and title.namespace ~= 2 -- Don't categorise userspace
 
−
and yesno(addTrackingCategory) ~= false -- Allow opting out
 
−
then
 
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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 link}} template.
 
−
--------------------------------------------------------------------------------
 
−
 
 
−
function p.formatLink(frame)
 
−
-- The formatLink export function, for use in templates.
 
−
yesno = require('Module:Yesno')
 
−
local args = getArgs(frame)
 
−
local link = args[1]
 
−
if not link then
 
−
return p.makeWikitextError(
 
−
'no link specified',
 
−
'Template:Format link#Errors',
 
−
args.category
 
−
)
 
−
end
 
−
return p._formatLink{
 
−
link = link,
 
−
display = args[2],
 
−
italicizePage = yesno(args.italicizepage),
 
−
italicizeSection = yesno(args.italicizesection),
 
−
}
 
−
end
 
−
 
 
−
local function italicize(s)
 
−
-- Italicize a string.
 
−
return '<i>' .. s .. '</i>'
 
−
end
 
−
 
 
−
local function maybeItalicize(s, shouldItalicize)
 
−
-- italicize s if s is a string and the shouldItalicize parameter is true.
 
−
if s and shouldItalicize then
 
−
return italicize(s)
 
−
else
 
−
return s
 
−
end
 
−
end
 
−
 
 
−
local function parseLink(link)
 
−
-- Parse a link and return a table with the link's components.
 
−
-- These components are:
 
−
-- - link: the link, stripped of any initial colon (always present)
 
−
-- - page: the page name (always present)
 
−
-- - section: the page name (may be nil)
 
−
-- - display: the display text, if manually entered after a pipe (may be nil)
 
−
link = removeInitialColon(link)
 
−
 
 
−
-- Find whether a faux display value has been added with the {{!}} magic
 
−
-- word.
 
−
local prePipe, display = link:match('^(.-)|(.*)$')
 
−
link = prePipe or link
 
−
 
 
−
-- Find the page, if it exists.
 
−
-- For links like [[#Bar]], the page will be nil.
 
−
local preHash, postHash = link:match('^(.-)#(.*)$')
 
−
local page
 
−
if not preHash then
 
−
-- We have a link like [[Foo]].
 
−
page = link
 
−
elseif preHash ~= '' then
 
−
-- We have a link like [[Foo#Bar]].
 
−
page = preHash
 
−
end
 
−
 
 
−
-- Find the section, if it exists.
 
−
local section
 
−
if postHash and postHash ~= '' then
 
−
section = postHash
 
−
end
 
−
 
−
return {
 
−
link = link,
 
−
page = page,
 
−
section = section,
 
−
display = display,
 
−
}
 
−
end
 
−
 
 
−
function p._formatLink(options)
 
−
-- The formatLink export function, for use in modules.
 
−
checkType('_formatLink', 1, options, 'table')
 
−
checkTypeForNamedArg('_formatLink', 'link', options.link, 'string', false)
 
−
checkTypeForNamedArg(
 
−
'_formatLink',
 
−
'display',
 
−
options.display,
 
−
'string',
 
−
true
 
−
)
 
−
checkTypeForNamedArg(
 
−
'_formatLink',
 
−
'italicizePage',
 
−
options.italicizePage,
 
−
'boolean',
 
−
true
 
−
)
 
−
checkTypeForNamedArg(
 
−
'_formatLink',
 
−
'italicizeSection',
 
−
options.italicizeSection,
 
−
'boolean',
 
−
true
 
−
)
 
−
 
 
−
local parsed = parseLink(options.link)
 
−
local display = options.display or parsed.display
 
−
 
−
-- Deal with the case where we don't have to pipe the link
 
−
if not display and not parsed.section and not options.italicizePage then
 
−
return string.format('[[:%s]]', parsed.link)
 
−
end
 
−
 
−
-- Find the display text for piped links
 
−
if not display then
 
−
local page = maybeItalicize(parsed.page, options.italicizePage)
 
−
local section = maybeItalicize(parsed.section, options.italicizeSection)
 
−
if not page then
 
−
display = string.format('§&nbsp;%s', section)
 
−
elseif section then
 
−
display = string.format('%s §&nbsp;%s', page, section)
 
−
else
 
−
display = page
 
−
end
 
−
end
 
−
 
−
return string.format('[[:%s|%s]]', parsed.link, display)
 
−
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
 

Latest revision as of 20:36, 22 March 2021

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

-- This Module is used for making templates based in the Lua language.
-- See more details about Lua in [[w:Help:Lua]].
-- The Fandom Developer's Wiki hosts Global Lua Modules that can be imported and locally overridden.
-- The next line imports the Hatnote module from the [[w:c:dev:Global Lua Modules]].
local H = require('Dev:Hatnote')
-- See more details about this module at [[w:c:dev:Global_Lua_Modules/Hatnote]]
 
-- The last line produces the output for the template
return H
Retrieved from "https://gunnwiki.org/index.php?title=Module:Hatnote&oldid=302"