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Module:Hatnote: Difference between revisions

Module:Hatnote (view source)

Revision as of 09:46, 30 July 2020

2,135 bytes added ,  30 July 2020
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 (1 revision imported)
(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)
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]]
Line 56: Line 57:
local ret = {}
local ret = {}
for i, page in ipairs(pages) do
for i, page in ipairs(pages) do
ret[i] = p._formatLink(page)
ret[i] = p._formatLink{link = page}
end
end
return ret
return ret
Line 70: Line 71:
local link = t[1]
local link = t[1]
local display = t[2]
local display = t[2]
links[i] = p._formatLink(link, display)
links[i] = p._formatLink{link = link, display = display}
end
end
return links
return links
Line 93: Line 94:
-- 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 = string.format(
Line 126: Line 130:
-- with colons if necessary, and links to sections are detected and displayed
-- with colons if necessary, and links to sections are detected and displayed
-- with " § " as a separator rather than the standard MediaWiki "#". Used in
-- with " § " as a separator rather than the standard MediaWiki "#". Used in
-- the {{format hatnote link}} template.
-- the {{format link}} template.
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


function p.formatLink(frame)
function p.formatLink(frame)
-- The formatLink export function, for use in templates.
yesno = require('Module:Yesno')
local args = getArgs(frame)
local args = getArgs(frame)
local link = args[1]
local link = args[1]
local display = args[2]
if not link then
if not link then
return p.makeWikitextError(
return p.makeWikitextError(
'no link specified',
'no link specified',
'Template:Format hatnote link#Errors',
'Template:Format link#Errors',
args.category
args.category
)
)
end
end
return p._formatLink(link, display)
return p._formatLink{
link = link,
display = args[2],
italicizePage = yesno(args.italicizepage),
italicizeSection = yesno(args.italicizesection),
}
end
end


function p._formatLink(link, display)
local function italicize(s)
checkType('_formatLink', 1, link, 'string')
-- Italicize a string.
checkType('_formatLink', 2, display, 'string', true)
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


-- Remove the initial colon for links where it was specified manually.
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)
link = removeInitialColon(link)


-- Find whether a faux display value has been added with the {{!}} magic
-- Find whether a faux display value has been added with the {{!}} magic
-- word.
-- word.
if not display then
local prePipe, display = link:match('^(.-)|(.*)$')
local prePipe, postPipe = link:match('^(.-)|(.*)$')
link = prePipe or link
link = prePipe or link
 
display = postPipe
-- 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
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
)


-- Find the display value.
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
if not display then
local page, section = link:match('^(.-)#(.*)$')
local page = maybeItalicize(parsed.page, options.italicizePage)
if page then
local section = maybeItalicize(parsed.section, options.italicizeSection)
display = page .. ' §&nbsp;' .. section
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
end
end
 
-- Assemble the link.
return string.format('[[:%s|%s]]', parsed.link, display)
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


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