Difference between revisions of "Module:Hatnote inline"

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--#REDIRECT [[Module:Hatnote/sandbox-inline]]
--                          Module:Hatnote-inline                            --
 
--                                                                            --
 
-- This module produces inline hatnote (i.e. cross-reference) notes and links --
 
-- to related articles. It  implements the {{hatnote-inline}} meta-templates, --
 
-- and includes helper functions for other Lua hatnote modules (for now)      --
 
--------------------------------------------------------------------------------
 
 
 
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 true.
 
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)
 
-- 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')
 
local title = 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
 
 
 
--------------------------------------------------------------------------------
 
-- 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)
 
-- Find whether we need to use the colon trick or not. We need to use the
 
-- colon trick for categories and files, as otherwise category links
 
-- categorise the page and file links display the file.
 
checkType('_formatLink', 1, link, 'string')
 
checkType('_formatLink', 2, display, 'string', true)
 
link = removeInitialColon(link)
 
local namespace = p.findNamespaceId(link, false)
 
local colon
 
if namespace == 6 or namespace == 14 then
 
colon = ':'
 
else
 
colon = ''
 
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|%s]]', colon, link, display)
 
else
 
return string.format('[[%s%s]]', colon, link)
 
end
 
end
 
 
 
--------------------------------------------------------------------------------
 
-- HatnoteInline
 
--
 
-- Produces standard inline hatnote text.
 
-- Implements the {{hatnote-inline}} template.
 
--------------------------------------------------------------------------------
 
 
 
function p.hatnoteInline(frame)
 
local args = getArgs(frame)
 
local s = args[1]
 
local options = {}
 
if not s then
 
return p.makeWikitextError(
 
'no text specified',
 
'Template:Hatnote-inline#Errors',
 
args.category
 
)
 
end
 
options.extraclasses = args.extraclasses
 
options.selfref = args.selfref
 
return p._hatnoteInline(s, options)
 
end
 
 
 
function p._hatnoteInline(s, options)
 
checkType('_hatnoteInline', 1, s, 'string')
 
checkType('_hatnoteInline', 2, options, 'table', true)
 
local classes = {'hatnote'}
 
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(
 
'<span class="%s">%s</span>',
 
table.concat(classes, ' '),
 
s
 
)
 
end
 
 
 
return p
 

Revision as of 08:37, 19 May 2014

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

--#REDIRECT [[Module:Hatnote/sandbox-inline]]