EVE RP Wiki - User contributions [en]

Module:Message box

2014-03-30T16:43:45Z

86.135.248.210:

-- This is a meta-module for producing message box templates, including {{mbox}}, {{ambox}},
-- {{imbox}}, {{tmbox}}, {{ombox}}, {{cmbox}} and {{fmbox}}.

-- Require necessary modules.
local getArgs = require('Module:Arguments').getArgs
local htmlBuilder = require('Module:HtmlBuilder')
local categoryHandler = require('Module:Category handler').main
local yesno = require('Module:Yesno')

-- Load the configuration page.
local cfgTables = mw.loadData('Module:Message box/configuration')

-- Get a language object for formatDate and ucfirst.
local lang = mw.language.getContentLanguage()

-- Set aliases for often-used functions to reduce table lookups.
local format = mw.ustring.format
local tinsert = table.insert
local tconcat = table.concat
local trim = mw.text.trim

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

local function getTitleObject(page, ...)
if type(page) == 'string' then
-- Get the title object, passing the function through pcall
-- in case we are over the expensive function count limit.
local success, title = pcall(mw.title.new, page, ...)
if success then
return title
end
end
end

local function union(t1, t2)
-- Returns the union of two arrays.
local vals = {}
for i, v in ipairs(t1) do
vals[v] = true
end
for i, v in ipairs(t2) do
vals[v] = true
end
local ret = {}
for k in pairs(vals) do
tinsert(ret, k)
end
table.sort(ret)
return ret
end

local function getArgNums(args, prefix)
local nums = {}
for k, v in pairs(args) do
local num = mw.ustring.match(tostring(k), '^' .. prefix .. '([1-9]%d*)$')
if num then
tinsert(nums, tonumber(num))
end
end
table.sort(nums)
return nums
end

--------------------------------------------------------------------------------
-- Box class definition
--------------------------------------------------------------------------------

local box = {}
box.__index = box

function box.new()
local obj = {}
setmetatable(obj, box)
return obj
end

function box.getNamespaceId(ns)
if not ns then return end
if type(ns) == 'string' then
ns = lang:ucfirst(mw.ustring.lower(ns))
if ns == 'Main' then
ns = 0
end
end
local nsTable = mw.site.namespaces[ns]
if nsTable then
return nsTable.id
end
end

function box.getMboxType(nsid)
-- Gets the mbox type from a namespace number.
if nsid == 0 then
return 'ambox' -- main namespace
elseif nsid == 6 then
return 'imbox' -- file namespace
elseif nsid == 14 then
return 'cmbox' -- category namespace
else
local nsTable = mw.site.namespaces[nsid]
if nsTable and nsTable.isTalk then
return 'tmbox' -- any talk namespace
else
return 'ombox' -- other namespaces or invalid input
end
end
end

function box:addCat(ns, cat, sort)
if type(cat) ~= 'string' then return end
local nsVals = {'main', 'template', 'all'}
local tname
for i, val in ipairs(nsVals) do
if ns == val then
tname = ns .. 'Cats'
end
end
if not tname then
for i, val in ipairs(nsVals) do
nsVals[i] = format('"%s"', val)
end
error('invalid ns parameter passed to box:addCat; valid values are ' .. mw.text.listToText(nsVals, nil, ' or '))
end
self[tname] = self[tname] or {}
if type(sort) == 'string' then
tinsert(self[tname], format('[[Category:%s|%s]]', cat, sort))
else
tinsert(self[tname], format('[[Category:%s]]', cat))
end
end

function box:addClass(class)
if type(class) ~= 'string' then return end
self.classes = self.classes or {}
tinsert(self.classes, class)
end

function box:setTitle(args)
-- Get the title object and the namespace.
self.pageTitle = getTitleObject(args.page ~= '' and args.page)
self.title = self.pageTitle or mw.title.getCurrentTitle()
self.demospace = args.demospace ~= '' and args.demospace or nil
self.nsid = box.getNamespaceId(self.demospace) or self.title.namespace
end

function box:getConfig(boxType)
-- Get the box config data from the data page.
if boxType == 'mbox' then
boxType = box.getMboxType(self.nsid)
end
local cfg = cfgTables[boxType]
if not cfg then
local boxTypes = {}
for k, v in pairs(dataTables) do
tinsert(boxTypes, format('"%s"', k))
end
tinsert(boxTypes, '"mbox"')
error(format('invalid message box type "%s"; valid types are %s', tostring(boxType), mw.text.listToText(boxTypes)), 2)
end
return cfg
end

function box:removeBlankArgs(cfg, args)
-- Only allow blank arguments for the parameter names listed in cfg.allowBlankParams.
local newArgs = {}
for k, v in pairs(args) do
if v ~= '' then
newArgs[k] = v
end
end
for i, param in ipairs(cfg.allowBlankParams or {}) do
newArgs[param] = args[param]
end
return newArgs
end

function box:setBoxParameters(cfg, args)
-- Get type data.
self.type = args.type
local typeData = cfg.types[self.type]
self.invalidTypeError = cfg.showInvalidTypeError and self.type and not typeData and true or false
typeData = typeData or cfg.types[cfg.default]
self.typeClass = typeData.class
self.typeImage = typeData.image

-- Find if the box has been wrongly substituted.
if cfg.substCheck and args.subst == 'SUBST' then
self.isSubstituted = true
end

-- Find whether we are using a small message box.
if cfg.allowSmall and (
cfg.smallParam and args.small == cfg.smallParam
or not cfg.smallParam and yesno(args.small)
)
then
self.isSmall = true
else
self.isSmall = false
end

-- Add attributes, classes and styles.
if cfg.allowId then
self.id = args.id
end
self:addClass(cfg.usePlainlinksParam and yesno(args.plainlinks or true) and 'plainlinks')
for _, class in ipairs(cfg.classes or {}) do
self:addClass(class)
end
if self.isSmall then
self:addClass(cfg.smallClass or 'mbox-small')
end
if yesno(args.hidden) then
self:addClass('infobox editsection')
end
self:addClass(self.typeClass)
self:addClass(args.class)
self.style = args.style

-- Set text style.
self.textstyle = args.textstyle

-- Find if we are on the template page or not. This functionality is only used if useCollapsibleTextFields is set,
-- or if both cfg.templateCategory and cfg.templateCategoryRequireName are set.
self.useCollapsibleTextFields = cfg.useCollapsibleTextFields
if self.useCollapsibleTextFields or cfg.templateCategory and cfg.templateCategoryRequireName then
self.name = args.name
if self.name then
local templateName = mw.ustring.match(self.name, '^[tT][eE][mM][pP][lL][aA][tT][eE][%s_]*:[%s_]*(.*)$') or self.name
templateName = 'Template:' .. templateName
self.templateTitle = getTitleObject(templateName)
end
self.isTemplatePage = self.templateTitle and mw.title.equals(self.title, self.templateTitle) or false
end

-- Process data for collapsible text fields. At the moment these are only used in {{ambox}}.
if self.useCollapsibleTextFields then
-- Get the self.issue value.
if self.isSmall and args.smalltext then
self.issue = args.smalltext
else
local sect
if args.sect == '' then
sect = 'This ' .. (cfg.sectionDefault or 'page')
elseif type(args.sect) == 'string' then
sect = 'This ' .. args.sect
end
local issue = args.issue
issue = type(issue) == 'string' and issue ~= '' and issue or nil
local text = args.text
text = type(text) == 'string' and text or nil
local issues = {}
tinsert(issues, sect)
tinsert(issues, issue)
tinsert(issues, text)
self.issue = tconcat(issues, ' ')
end

-- Get the self.talk value.
local talk = args.talk
if talk == '' -- Show talk links on the template page or template subpages if the talk parameter is blank.
and self.templateTitle
and (mw.title.equals(self.templateTitle, self.title) or self.title:isSubpageOf(self.templateTitle))
then
talk = '#'
elseif talk == '' then
talk = nil
end
if talk then
-- If the talk value is a talk page, make a link to that page. Else assume that it's a section heading,
-- and make a link to the talk page of the current page with that section heading.
local talkTitle = getTitleObject(talk)
local talkArgIsTalkPage = true
if not talkTitle or not talkTitle.isTalkPage then
talkArgIsTalkPage = false
talkTitle = getTitleObject(self.title.text, mw.site.namespaces[self.title.namespace].talk.id)
end
if talkTitle and talkTitle.exists then
local talkText = 'Relevant discussion may be found on'
if talkArgIsTalkPage then
talkText = format('%s [[%s|%s]].', talkText, talk, talkTitle.prefixedText)
else
talkText = format('%s the [[%s#%s|talk page]].', talkText, talkTitle.prefixedText, talk)
end
self.talk = talkText
end
end

-- Get other values.
self.fix = args.fix ~= '' and args.fix or nil
local date
if args.date and args.date ~= '' then
date = args.date
elseif args.date == '' and self.isTemplatePage then
date = lang:formatDate('F Y')
end
if date then
self.date = format(" <small>''(%s)''</small>", date)
end
self.info = args.info
end

-- Set the non-collapsible text field. At the moment this is used by all box types other than ambox,
-- and also by ambox when small=yes.
if self.isSmall then
self.text = args.smalltext or args.text
else
self.text = args.text
end

-- Set the below row.
self.below = cfg.below and args.below

-- General image settings.
self.imageCellDiv = not self.isSmall and cfg.imageCellDiv and true or false
self.imageEmptyCell = cfg.imageEmptyCell
if cfg.imageEmptyCellStyle then
self.imageEmptyCellStyle = 'border:none;padding:0px;width:1px'
end

-- Left image settings.
local imageLeft = self.isSmall and args.smallimage or args.image
if cfg.imageCheckBlank and imageLeft ~= 'blank' and imageLeft ~= 'none'
or not cfg.imageCheckBlank and imageLeft ~= 'none'
then
self.imageLeft = imageLeft
if not imageLeft then
local imageSize = self.isSmall and (cfg.imageSmallSize or '30x30px') or '40x40px'
self.imageLeft = format('[[File:%s|%s|link=|alt=]]', self.typeImage or 'Imbox notice.png', imageSize)
end
end

-- Right image settings.
local imageRight = self.isSmall and args.smallimageright or args.imageright
if not (cfg.imageRightNone and imageRight == 'none') then
self.imageRight = imageRight
end

-- Add mainspace categories. At the moment these are only used in {{ambox}}.
if cfg.allowMainspaceCategories then
if args.cat then
args.cat1 = args.cat
end
self.catNums = getArgNums(args, 'cat')
if args.category then
args.category1 = args.category
end
self.categoryNums = getArgNums(args, 'category')
if args.all then
args.all1 = args.all
end
self.allNums = getArgNums(args, 'all')
self.categoryParamNums = union(self.catNums, self.categoryNums)
self.categoryParamNums = union(self.categoryParamNums, self.allNums)
-- The following is roughly equivalent to the old {{Ambox/category}}.
local date = args.date
date = type(date) == 'string' and date
local preposition = 'from'
for _, num in ipairs(self.categoryParamNums) do
local mainCat = args['cat' .. tostring(num)] or args['category' .. tostring(num)]
local allCat = args['all' .. tostring(num)]
mainCat = type(mainCat) == 'string' and mainCat
allCat = type(allCat) == 'string' and allCat
if mainCat and date and date ~= '' then
local catTitle = format('%s %s %s', mainCat, preposition, date)
self:addCat('main', catTitle)
catTitle = getTitleObject('Category:' .. catTitle)
if not catTitle or not catTitle.exists then
self:addCat('main', 'Articles with invalid date parameter in template')
end
elseif mainCat and (not date or date == '') then
self:addCat('main', mainCat)
end
if allCat then
self:addCat('main', allCat)
end
end
end

-- Add template-namespace categories.
if cfg.templateCategory then
if cfg.templateCategoryRequireName then
if self.isTemplatePage then
self:addCat('template', cfg.templateCategory)
end
elseif not self.title.isSubpage then
self:addCat('template', cfg.templateCategory)
end
end

-- Add template error category.
if cfg.templateErrorCategory then
local templateErrorCategory = cfg.templateErrorCategory
local templateCat, templateSort
if not self.name and not self.title.isSubpage then
templateCat = templateErrorCategory
elseif self.isTemplatePage then
local paramsToCheck = cfg.templateErrorParamsToCheck or {}
local count = 0
for i, param in ipairs(paramsToCheck) do
if not args[param] then
count = count + 1
end
end
if count > 0 then
templateCat = templateErrorCategory
templateSort = tostring(count)
end
if self.categoryNums and #self.categoryNums > 0 then
templateCat = templateErrorCategory
templateSort = 'C'
end
end
self:addCat('template', templateCat, templateSort)
end

-- Categories for all namespaces.
if self.invalidTypeError then
local allSort = (self.nsid == 0 and 'Main:' or '') .. self.title.prefixedText
self:addCat('all', 'Wikipedia message box parameter needs fixing', allSort)
end
if self.isSubstituted then
self:addCat('all', 'Pages with incorrectly substituted templates')
end

-- Convert category tables to strings and pass them through [[Module:Category handler]].
self.categories = categoryHandler{
main = tconcat(self.mainCats or {}),
template = tconcat(self.templateCats or {}),
all = tconcat(self.allCats or {}),
nocat = args.nocat,
demospace = self.demospace,
page = self.pageTitle and self.pageTitle.prefixedText or nil
}
end

function box:export()
local root = htmlBuilder.create()

-- Add the subst check error.
if self.isSubstituted and self.name then
root
.tag('b')
.addClass('error')
.wikitext(format(
'Template <code>%s[[Template:%s|%s]]%s</code> has been incorrectly substituted.',
mw.text.nowiki('{{'), self.name, self.name, mw.text.nowiki('}}')
))
end

-- Create the box table.
local boxTable = root.tag('table')
boxTable
.attr('id', self.id)
for i, class in ipairs(self.classes or {}) do
boxTable
.addClass(class)
end
boxTable
.cssText(self.style)
.attr('role', 'presentation')

-- Add the left-hand image.
local row = boxTable.tag('tr')
if self.imageLeft then
local imageLeftCell = row.tag('td').addClass('mbox-image')
if self.imageCellDiv then
-- If we are using a div, redefine imageLeftCell so that the image is inside it.
-- Divs use style="width: 52px;", which limits the image width to 52px. If any
-- images in a div are wider than that, they may overlap with the text or cause
-- other display problems.
imageLeftCell = imageLeftCell.tag('div').css('width', '52px')
end
imageLeftCell
.wikitext(self.imageLeft)
elseif self.imageEmptyCell then
-- Some message boxes define an empty cell if no image is specified, and some don't.
-- The old template code in templates where empty cells are specified gives the following hint:
-- "No image. Cell with some width or padding necessary for text cell to have 100% width."
row.tag('td')
.addClass('mbox-empty-cell')
.cssText(self.imageEmptyCellStyle)
end

-- Add the text.
local textCell = row.tag('td').addClass('mbox-text')
if self.useCollapsibleTextFields then
-- The message box uses advanced text parameters that allow things to be collapsible. At the
-- moment, only ambox uses this.
textCell
.cssText(self.textstyle)
local textCellSpan = textCell.tag('span')
textCellSpan
.addClass('mbox-text-span')
.wikitext(self.issue)
if not self.isSmall then
textCellSpan
.tag('span')
.addClass('hide-when-compact')
.wikitext(self.talk and ' ' .. self.talk)
.wikitext(self.fix and ' ' .. self.fix)
end
textCellSpan
.wikitext(self.date and ' ' .. self.date)
if not self.isSmall then
textCellSpan
.tag('span')
.addClass('hide-when-compact')
.wikitext(self.info and ' ' .. self.info)
end
else
-- Default text formatting - anything goes.
textCell
.cssText(self.textstyle)
.wikitext(self.text)
end

-- Add the right-hand image.
if self.imageRight then
local imageRightCell = row.tag('td').addClass('mbox-imageright')
if self.imageCellDiv then
imageRightCell = imageRightCell.tag('div').css('width', '52px') -- If we are using a div, redefine imageRightCell so that the image is inside it.
end
imageRightCell
.wikitext(self.imageRight)
end

-- Add the below row.
if self.below then
boxTable.tag('tr')
.tag('td')
.attr('colspan', self.imageRight and '3' or '2')
.addClass('mbox-text')
.cssText(self.textstyle)
.wikitext(self.below)
end

-- Add error message for invalid type parameters.
if self.invalidTypeError then
root
.tag('div')
.css('text-align', 'center')
.wikitext(format('This message box is using an invalid "type=%s" parameter and needs fixing.', self.type or ''))
end

-- Add categories.
root
.wikitext(self.categories)

return tostring(root)
end

local function main(boxType, args)
local outputBox = box.new()
outputBox:setTitle(args)
local cfg = outputBox:getConfig(boxType)
args = outputBox:removeBlankArgs(cfg, args)
outputBox:setBoxParameters(cfg, args)
return outputBox:export()
end

local function makeWrapper(boxType)
return function (frame)
local args = getArgs(frame, {trim = false, removeBlanks = false})
return main(boxType, args)
end
end

local p = {
main = main,
mbox = makeWrapper('mbox')
}

for boxType in pairs(cfgTables) do
p[boxType] = makeWrapper(boxType)
end

return p

Module:Documentation

2014-03-30T16:42:29Z

86.135.248.210:

-- This module implements {{documentation}}.

-- Get required modules.
local getArgs = require('Module:Arguments').getArgs
local htmlBuilder = require('Module:HtmlBuilder')
local messageBox = require('Module:Message box')

-- Get the config table.
local cfg = mw.loadData('Module:Documentation/config')

local p = {}

-- Often-used functions.
local ugsub = mw.ustring.gsub

----------------------------------------------------------------------------
-- Helper functions
--
-- These are defined as local functions, but are made available in the p
-- table for testing purposes.
----------------------------------------------------------------------------

local function message(cfgKey, valArray, expectType)
--[[
-- Gets a message from the cfg table and formats it if appropriate.
-- The function raises an error if the value from the cfg table is not
-- of the type expectType. The default type for expectType is 'string'.
-- If the table valArray is present, strings such as $1, $2 etc. in the
-- message are substituted with values from the table keys [1], [2] etc.
-- For example, if the message "foo-message" had the value 'Foo $2 bar $1.',
-- message('foo-message', {'baz', 'qux'}) would return "Foo qux bar baz."
--]]
local msg = cfg[cfgKey]
expectType = expectType or 'string'
if type(msg) ~= expectType then
error('message: type error in message cfg.' .. cfgKey .. ' (' .. expectType .. ' expected, got ' .. type(msg) .. ')', 2)
end
if not valArray then
return msg
end

local function getMessageVal(match)
match = tonumber(match)
return valArray[match] or error('message: no value found for key $' .. match .. ' in message cfg.' .. cfgKey, 4)
end

local ret = ugsub(msg, '$([1-9][0-9]*)', getMessageVal)
return ret
end

p.message = message

local function makeWikilink(page, display)
if display then
return mw.ustring.format('[[%s|%s]]', page, display)
else
return mw.ustring.format('[[%s]]', page)
end
end

p.makeWikilink = makeWikilink

local function makeCategoryLink(cat, sort)
local catns = mw.site.namespaces[14].name
return makeWikilink(catns .. ':' .. cat, sort)
end

p.makeCategoryLink = makeCategoryLink

local function makeUrlLink(url, display)
return mw.ustring.format('[%s %s]', url, display)
end

p.makeUrlLink = makeUrlLink

local function makeToolbar(...)
local ret = {}
local lim = select('#', ...)
if lim < 1 then
return nil
end
for i = 1, lim do
ret[#ret + 1] = select(i, ...)
end
return '<small style="font-style: normal;">(' .. table.concat(ret, ' | ') .. ')</small>'
end

p.makeToolbar = makeToolbar

----------------------------------------------------------------------------
-- Argument processing
----------------------------------------------------------------------------

local function makeInvokeFunc(funcName)
return function (frame)
local args = getArgs(frame, {
valueFunc = function (key, value)
if type(value) == 'string' then
value = value:match('^%s*(.-)%s*$') -- Remove whitespace.
if key == 'heading' or value ~= '' then
return value
else
return nil
end
else
return value
end
end
})
return p[funcName](args)
end
end

----------------------------------------------------------------------------
-- Main function
----------------------------------------------------------------------------

p.main = makeInvokeFunc('_main')

function p._main(args)
--[[
-- This function defines logic flow for the module.
-- @args - table of arguments passed by the user
--
-- Messages:
-- 'main-div-id' --> 'template-documentation'
-- 'main-div-classes' --> 'template-documentation iezoomfix'
--]]
local env = p.getEnvironment(args)
local root = htmlBuilder.create()
root
.wikitext(p.protectionTemplate(env))
.wikitext(p.sandboxNotice(args, env))
-- This div tag is from {{documentation/start box}}, but moving it here
-- so that we don't have to worry about unclosed tags.
.tag('div')
.attr('id', message('main-div-id'))
.addClass(message('main-div-classes'))
.newline()
.wikitext(p._startBox(args, env))
.wikitext(p._content(args, env))
.tag('div')
.css('clear', 'both') -- So right or left floating items don't stick out of the doc box.
.newline()
.done()
.done()
.wikitext(p._endBox(args, env))
.newline()
.wikitext(p.addTrackingCategories(env))
return tostring(root)
end

----------------------------------------------------------------------------
-- Environment settings
----------------------------------------------------------------------------

function p.getEnvironment(args)
--[[
-- Returns a table with information about the environment, including title objects and other namespace- or
-- path-related data.
-- @args - table of arguments passed by the user
--
-- Title objects include:
-- env.title - the page we are making documentation for (usually the current title)
-- env.templateTitle - the template (or module, file, etc.)
-- env.docTitle - the /doc subpage.
-- env.sandboxTitle - the /sandbox subpage.
-- env.testcasesTitle - the /testcases subpage.
-- env.printTitle - the print version of the template, located at the /Print subpage.
--
-- Data includes:
-- env.protectionLevels - the protection levels table of the title object.
-- env.subjectSpace - the number of the title's subject namespace.
-- env.docSpace - the number of the namespace the title puts its documentation in.
-- env.docpageBase - the text of the base page of the /doc, /sandbox and /testcases pages, with namespace.
-- env.compareUrl - URL of the Special:ComparePages page comparing the sandbox with the template.
--
-- All table lookups are passed through pcall so that errors are caught. If an error occurs, the value
-- returned will be nil.
--]]

local env, envFuncs = {}, {}

-- Set up the metatable. If triggered we call the corresponding function in the envFuncs table. The value
-- returned by that function is memoized in the env table so that we don't call any of the functions
-- more than once. (Nils won't be memoized.)
setmetatable(env, {
__index = function (t, key)
local envFunc = envFuncs[key]
if envFunc then
local success, val = pcall(envFunc)
if success then
env[key] = val -- Memoise the value.
return val
end
end
return nil
end
})

function envFuncs.title()
-- The title object for the current page, or a test page passed with args.page.
local title
local titleArg = args.page
if titleArg then
title = mw.title.new(titleArg)
else
title = mw.title.getCurrentTitle()
end
return title
end

function envFuncs.templateTitle()
--[[
-- The template (or module, etc.) title object.
-- Messages:
-- 'sandbox-subpage' --> 'sandbox'
-- 'testcases-subpage' --> 'testcases'
--]]
local subjectSpace = env.subjectSpace
local title = env.title
local subpage = title.subpageText
if subpage == message('sandbox-subpage') or subpage == message('testcases-subpage') then
return mw.title.makeTitle(subjectSpace, title.baseText)
else
return mw.title.makeTitle(subjectSpace, title.text)
end
end

function envFuncs.docTitle()
--[[
-- Title object of the /doc subpage.
-- Messages:
-- 'doc-subpage' --> 'doc'
--]]
local title = env.title
local docname = args[1] -- User-specified doc page.
local docpage
if docname then
docpage = docname
else
docpage = env.docpageBase .. '/' .. message('doc-subpage')
end
return mw.title.new(docpage)
end

function envFuncs.sandboxTitle()
--[[
-- Title object for the /sandbox subpage.
-- Messages:
-- 'sandbox-subpage' --> 'sandbox'
--]]
return mw.title.new(env.docpageBase .. '/' .. message('sandbox-subpage'))
end

function envFuncs.testcasesTitle()
--[[
-- Title object for the /testcases subpage.
-- Messages:
-- 'testcases-subpage' --> 'testcases'
--]]
return mw.title.new(env.docpageBase .. '/' .. message('testcases-subpage'))
end

function envFuncs.printTitle()
--[[
-- Title object for the /Print subpage.
-- Messages:
-- 'print-subpage' --> 'Print'
--]]
return env.templateTitle:subPageTitle(message('print-subpage'))
end

function envFuncs.protectionLevels()
-- The protection levels table of the title object.
return env.title.protectionLevels
end

function envFuncs.subjectSpace()
-- The subject namespace number.
return mw.site.namespaces[env.title.namespace].subject.id
end

function envFuncs.docSpace()
-- The documentation namespace number. For most namespaces this is the same as the
-- subject namespace. However, pages in the Article, File, MediaWiki or Category
-- namespaces must have their /doc, /sandbox and /testcases pages in talk space.
local subjectSpace = env.subjectSpace
if subjectSpace == 0 or subjectSpace == 6 or subjectSpace == 8 or subjectSpace == 14 then
return subjectSpace + 1
else
return subjectSpace
end
end

function envFuncs.docpageBase()
-- The base page of the /doc, /sandbox, and /testcases subpages.
-- For some namespaces this is the talk page, rather than the template page.
local templateTitle = env.templateTitle
local docSpace = env.docSpace
local docSpaceText = mw.site.namespaces[docSpace].name
-- Assemble the link. docSpace is never the main namespace, so we can hardcode the colon.
return docSpaceText .. ':' .. templateTitle.text
end

function envFuncs.compareUrl()
-- Diff link between the sandbox and the main template using [[Special:ComparePages]].
local templateTitle = env.templateTitle
local sandboxTitle = env.sandboxTitle
if templateTitle.exists and sandboxTitle.exists then
local compareUrl = mw.uri.fullUrl(
'Special:ComparePages',
{page1 = templateTitle.prefixedText, page2 = sandboxTitle.prefixedText}
)
return tostring(compareUrl)
else
return nil
end
end

return env
end

----------------------------------------------------------------------------
-- Auxiliary templates
----------------------------------------------------------------------------

function p.sandboxNotice(args, env)
--[=[
-- Generates a sandbox notice for display above sandbox pages.
-- @args - a table of arguments passed by the user
-- @env - environment table containing title objects, etc., generated with p.getEnvironment
--
-- Messages:
-- 'sandbox-notice-image' --> '[[Image:Sandbox.png|50px|alt=|link=]]'
-- 'sandbox-notice-blurb' --> 'This is the $1 for $2.'
-- 'sandbox-notice-diff-blurb' --> 'This is the $1 for $2 ($3).'
-- 'sandbox-notice-pagetype-template' --> '[[Wikipedia:Template test cases|template sandbox]] page'
-- 'sandbox-notice-pagetype-module' --> '[[Wikipedia:Template test cases|module sandbox]] page'
-- 'sandbox-notice-pagetype-other' --> 'sandbox page'
-- 'sandbox-notice-compare-link-display' --> 'diff'
-- 'sandbox-notice-testcases-blurb' --> 'See also the companion subpage for $1.'
-- 'sandbox-notice-testcases-link-display' --> 'test cases'
-- 'sandbox-category' --> 'Template sandboxes'
--]=]
local title = env.title
local sandboxTitle = env.sandboxTitle
local templateTitle = env.templateTitle
local subjectSpace = env.subjectSpace
if not (subjectSpace and title and sandboxTitle and templateTitle and mw.title.equals(title, sandboxTitle)) then
return nil
end
-- Build the table of arguments to pass to {{ombox}}. We need just two fields, "image" and "text".
local omargs = {}
omargs.image = message('sandbox-notice-image')
-- Get the text. We start with the opening blurb, which is something like
-- "This is the template sandbox for [[Template:Foo]] (diff)."
local text = ''
local frame = mw.getCurrentFrame()
local isPreviewing = frame:preprocess('{{REVISIONID}}') == '' -- True if the page is being previewed.
local pagetype
if subjectSpace == 10 then
pagetype = message('sandbox-notice-pagetype-template')
elseif subjectSpace == 828 then
pagetype = message('sandbox-notice-pagetype-module')
else
pagetype = message('sandbox-notice-pagetype-other')
end
local templateLink = makeWikilink(templateTitle.prefixedText)
local compareUrl = env.compareUrl
if isPreviewing or not compareUrl then
text = text .. message('sandbox-notice-blurb', {pagetype, templateLink})
else
local compareDisplay = message('sandbox-notice-compare-link-display')
local compareLink = makeUrlLink(compareUrl, compareDisplay)
text = text .. message('sandbox-notice-diff-blurb', {pagetype, templateLink, compareLink})
end
-- Get the test cases page blurb if the page exists. This is something like
-- "See also the companion subpage for [[Template:Foo/testcases|test cases]]."
local testcasesTitle = env.testcasesTitle
if testcasesTitle and testcasesTitle.exists then
local testcasesLinkDisplay = message('sandbox-notice-testcases-link-display')
local testcasesLink = makeWikilink(testcasesTitle.prefixedText, testcasesLinkDisplay)
text = text .. '<br />' .. message('sandbox-notice-testcases-blurb', {testcasesLink})
end
-- Add the sandbox to the sandbox category.
text = text .. makeCategoryLink(message('sandbox-category'))
omargs.text = text
local ret = '<div style="clear: both;"></div>'
ret = ret .. messageBox.main('ombox', omargs)
return ret
end

function p.protectionTemplate(env)
-- Generates the padlock icon in the top right.
-- @env - environment table containing title objects, etc., generated with p.getEnvironment
-- Messages:
-- 'protection-template' --> 'pp-template'
-- 'protection-template-args' --> {docusage = 'yes'}
local title = env.title
local protectionLevels
local protectionTemplate = message('protection-template')
local namespace = title.namespace
if not (protectionTemplate and (namespace == 10 or namespace == 828)) then
-- Don't display the protection template if we are not in the template or module namespaces.
return nil
end
protectionLevels = env.protectionLevels
if not protectionLevels then
return nil
end
local editLevels = protectionLevels.edit
local moveLevels = protectionLevels.move
if moveLevels and moveLevels[1] == 'sysop' or editLevels and editLevels[1] then
-- The page is full-move protected, or full, template, or semi-protected.
local frame = mw.getCurrentFrame()
return frame:expandTemplate{title = protectionTemplate, args = message('protection-template-args', nil, 'table')}
else
return nil
end
end

----------------------------------------------------------------------------
-- Start box
----------------------------------------------------------------------------

p.startBox = makeInvokeFunc('_startBox')

function p._startBox(args, env)
--[[
-- This function generates the start box.
-- @args - a table of arguments passed by the user
-- @env - environment table containing title objects, etc., generated with p.getEnvironment
--
-- The actual work is done by p.makeStartBoxLinksData and p.renderStartBoxLinks which make
-- the [view] [edit] [history] [purge] links, and by p.makeStartBoxData and p.renderStartBox
-- which generate the box HTML.
--]]
env = env or p.getEnvironment(args)
local links
local content = args.content
if not content then
-- No need to include the links if the documentation is on the template page itself.
local linksData = p.makeStartBoxLinksData(args, env)
if linksData then
links = p.renderStartBoxLinks(linksData)
end
end
-- Generate the start box html.
local data = p.makeStartBoxData(args, env, links)
if data then
return p.renderStartBox(data)
else
-- User specified no heading.
return nil
end
end

function p.makeStartBoxLinksData(args, env)
--[[
-- Does initial processing of data to make the [view] [edit] [history] [purge] links.
-- @args - a table of arguments passed by the user
-- @env - environment table containing title objects, etc., generated with p.getEnvironment
--
-- Messages:
-- 'view-link-display' --> 'view'
-- 'edit-link-display' --> 'edit'
-- 'history-link-display' --> 'history'
-- 'purge-link-display' --> 'purge'
-- 'file-docpage-preload' --> 'Template:Documentation/preload-filespace'
-- 'module-preload' --> 'Template:Documentation/preload-module-doc'
-- 'docpage-preload' --> 'Template:Documentation/preload'
-- 'create-link-display' --> 'create'
--]]
local subjectSpace = env.subjectSpace
local title = env.title
local docTitle = env.docTitle
if not title or not docTitle then
return nil
end

local data = {}
data.title = title
data.docTitle = docTitle
-- View, display, edit, and purge links if /doc exists.
data.viewLinkDisplay = message('view-link-display')
data.editLinkDisplay = message('edit-link-display')
data.historyLinkDisplay = message('history-link-display')
data.purgeLinkDisplay = message('purge-link-display')
-- Create link if /doc doesn't exist.
local preload = args.preload
if not preload then
if subjectSpace == 6 then -- File namespace
preload = message('file-docpage-preload')
elseif subjectSpace == 828 then -- Module namespace
preload = message('module-preload')
else
preload = message('docpage-preload')
end
end
data.preload = preload
data.createLinkDisplay = message('create-link-display')
return data
end

function p.renderStartBoxLinks(data)
--[[
-- Generates the [view][edit][history][purge] or [create] links from the data table.
-- @data - a table of data generated by p.makeStartBoxLinksData
--]]

local function escapeBrackets(s)
-- Escapes square brackets with HTML entities.
s = s:gsub('%[', '[') -- Replace square brackets with HTML entities.
s = s:gsub('%]', ']')
return s
end

local ret
local docTitle = data.docTitle
local title = data.title
if docTitle.exists then
local viewLink = makeWikilink(docTitle.prefixedText, data.viewLinkDisplay)
local editLink = makeUrlLink(docTitle:fullUrl{action = 'edit'}, data.editLinkDisplay)
local historyLink = makeUrlLink(docTitle:fullUrl{action = 'history'}, data.historyLinkDisplay)
local purgeLink = makeUrlLink(title:fullUrl{action = 'purge'}, data.purgeLinkDisplay)
ret = '[%s] [%s] [%s] [%s]'
ret = escapeBrackets(ret)
ret = mw.ustring.format(ret, viewLink, editLink, historyLink, purgeLink)
else
local createLink = makeUrlLink(docTitle:fullUrl{action = 'edit', preload = data.preload}, data.createLinkDisplay)
ret = '[%s]'
ret = escapeBrackets(ret)
ret = mw.ustring.format(ret, createLink)
end
return ret
end

function p.makeStartBoxData(args, env, links)
--[=[
-- Does initial processing of data to pass to the start-box render function, p.renderStartBox.
-- @args - a table of arguments passed by the user
-- @env - environment table containing title objects, etc., generated with p.getEnvironment
-- @links - a string containing the [view][edit][history][purge] links - could be nil if there's an error.
--
-- Messages:
-- 'documentation-icon-wikitext' --> '[[File:Template-info.png|50px|link=|alt=Documentation icon]]'
-- 'template-namespace-heading' --> 'Template documentation'
-- 'module-namespace-heading' --> 'Module documentation'
-- 'file-namespace-heading' --> 'Summary'
-- 'other-namespaces-heading' --> 'Documentation'
-- 'start-box-linkclasses' --> 'mw-editsection-like plainlinks'
-- 'start-box-link-id' --> 'doc_editlinks'
-- 'testcases-create-link-display' --> 'create'
--]=]
local subjectSpace = env.subjectSpace
if not subjectSpace then
-- Default to an "other namespaces" namespace, so that we get at least some output
-- if an error occurs.
subjectSpace = 2
end
local data = {}

-- Heading
local heading = args.heading -- Blank values are not removed.
if heading == '' then
-- Don't display the start box if the heading arg is defined but blank.
return nil
end
if heading then
data.heading = heading
elseif subjectSpace == 10 then -- Template namespace
data.heading = message('documentation-icon-wikitext') .. ' ' .. message('template-namespace-heading')
elseif subjectSpace == 828 then -- Module namespace
data.heading = message('documentation-icon-wikitext') .. ' ' .. message('module-namespace-heading')
elseif subjectSpace == 6 then -- File namespace
data.heading = message('file-namespace-heading')
else
data.heading = message('other-namespaces-heading')
end

-- Heading CSS
local headingStyle = args['heading-style']
if headingStyle then
data.headingStyleText = headingStyle
elseif subjectSpace == 10 then
-- We are in the template or template talk namespaces.
data.headingFontWeight = 'bold'
data.headingFontSize = '125%'
else
data.headingFontSize = '150%'
end

-- Data for the [view][edit][history][purge] or [create] links.
if links then
data.linksClass = message('start-box-linkclasses')
data.linksId = message('start-box-link-id')
data.links = links
end

return data
end

function p.renderStartBox(data)
-- Renders the start box html.
-- @data - a table of data generated by p.makeStartBoxData.
local sbox = htmlBuilder.create('div')
sbox
.css('padding-bottom', '3px')
.css('border-bottom', '1px solid #aaa')
.css('margin-bottom', '1ex')
.newline()
.tag('span')
.cssText(data.headingStyleText)
.css('font-weight', data.headingFontWeight)
.css('font-size', data.headingFontSize)
.wikitext(data.heading)
local links = data.links
if links then
sbox.tag('span')
.addClass(data.linksClass)
.attr('id', data.linksId)
.wikitext(links)
end
return tostring(sbox)
end

----------------------------------------------------------------------------
-- Documentation content
----------------------------------------------------------------------------

p.content = makeInvokeFunc('_content')

function p._content(args, env)
-- Displays the documentation contents
-- @args - a table of arguments passed by the user
-- @env - environment table containing title objects, etc., generated with p.getEnvironment
env = env or p.getEnvironment(args)
local docTitle = env.docTitle
local content = args.content
if not content and docTitle and docTitle.exists then
local frame = mw.getCurrentFrame()
content = frame:expandTemplate{title = docTitle.prefixedText}
end
-- The line breaks below are necessary so that "=== Headings ===" at the start and end
-- of docs are interpreted correctly.
return '\n' .. (content or '') .. '\n'
end

----------------------------------------------------------------------------
-- End box
----------------------------------------------------------------------------

p.endBox = makeInvokeFunc('_endBox')

function p._endBox(args, env)
--[=[
-- This function generates the end box (also known as the link box).
-- @args - a table of arguments passed by the user
-- @env - environment table containing title objects, etc., generated with p.getEnvironment
--
-- Messages:
-- 'fmbox-id' --> 'documentation-meta-data'
-- 'fmbox-style' --> 'background-color: #ecfcf4'
-- 'fmbox-textstyle' --> 'font-style: italic'
--
-- The HTML is generated by the {{fmbox}} template, courtesy of [[Module:Message box]].
--]=]

-- Get environment data.
env = env or p.getEnvironment(args)
local subjectSpace = env.subjectSpace
local docTitle = env.docTitle
if not subjectSpace or not docTitle then
return nil
end

-- Check whether we should output the end box at all. Add the end
-- box by default if the documentation exists or if we are in the
-- user, module or template namespaces.
local linkBox = args['link box']
if linkBox == 'off'
or not (
docTitle.exists
or subjectSpace == 2
or subjectSpace == 828
or subjectSpace == 10
)
then
return nil
end

-- Assemble the arguments for {{fmbox}}.
local fmargs = {}
fmargs.id = message('fmbox-id') -- Sets 'documentation-meta-data'
fmargs.image = 'none'
fmargs.style = message('fmbox-style') -- Sets 'background-color: #ecfcf4'
fmargs.textstyle = message('fmbox-textstyle') -- 'font-style: italic;'

-- Assemble the fmbox text field.
local text = ''
if linkBox then
text = text .. linkBox
else
text = text .. (p.makeDocPageBlurb(args, env) or '') -- "This documentation is transcluded from [[Foo]]."
if subjectSpace == 2 or subjectSpace == 10 or subjectSpace == 828 then
-- We are in the user, template or module namespaces.
-- Add sandbox and testcases links.
-- "Editors can experiment in this template's sandbox and testcases pages."
text = text .. p.makeExperimentBlurb(args, env)
text = text .. '<br />'
if not args.content and not args[1] then
-- "Please add categories to the /doc subpage."
-- Don't show this message with inline docs or with an explicitly specified doc page,
-- as then it is unclear where to add the categories.
text = text .. (p.makeCategoriesBlurb(args, env) or '')
end
text = text .. ' ' .. (p.makeSubpagesBlurb(args, env) or '') --"Subpages of this template"
local printBlurb = p.makePrintBlurb(args, env) -- Two-line blurb about print versions of templates.
if printBlurb then
text = text .. '<br />' .. printBlurb
end
end
end
fmargs.text = text

return messageBox.main('fmbox', fmargs)
end

function p.makeDocPageBlurb(args, env)
--[=[
-- Makes the blurb "This documentation is transcluded from [[Template:Foo]] (edit, history)".
-- @args - a table of arguments passed by the user
-- @env - environment table containing title objects, etc., generated with p.getEnvironment
--
-- Messages:
-- 'edit-link-display' --> 'edit'
-- 'history-link-display' --> 'history'
-- 'transcluded-from-blurb' -->
-- 'The above [[Wikipedia:Template documentation|documentation]]
-- is [[Wikipedia:Transclusion|transcluded]] from $1.'
-- 'module-preload' --> 'Template:Documentation/preload-module-doc'
-- 'create-link-display' --> 'create'
-- 'create-module-doc-blurb' -->
-- 'You might want to $1 a documentation page for this [[Wikipedia:Lua|Scribunto module]].'
--]=]
local docTitle = env.docTitle
if not docTitle then
return nil
end
local ret
if docTitle.exists then
-- /doc exists; link to it.
local docLink = makeWikilink(docTitle.prefixedText)
local editUrl = docTitle:fullUrl{action = 'edit'}
local editDisplay = message('edit-link-display')
local editLink = makeUrlLink(editUrl, editDisplay)
local historyUrl = docTitle:fullUrl{action = 'history'}
local historyDisplay = message('history-link-display')
local historyLink = makeUrlLink(historyUrl, historyDisplay)
ret = message('transcluded-from-blurb', {docLink})
.. ' '
.. makeToolbar(editLink, historyLink)
.. '<br />'
elseif env.subjectSpace == 828 then
-- /doc does not exist; ask to create it.
local createUrl = docTitle:fullUrl{action = 'edit', preload = message('module-preload')}
local createDisplay = message('create-link-display')
local createLink = makeUrlLink(createUrl, createDisplay)
ret = message('create-module-doc-blurb', {createLink})
.. '<br />'
end
return ret
end

function p.makeExperimentBlurb(args, env)
--[[
-- Renders the text "Editors can experiment in this template's sandbox (edit | diff) and testcases (edit) pages."
-- @args - a table of arguments passed by the user
-- @env - environment table containing title objects, etc., generated with p.getEnvironment
--
-- Messages:
-- 'sandbox-link-display' --> 'sandbox'
-- 'sandbox-edit-link-display' --> 'edit'
-- 'compare-link-display' --> 'diff'
-- 'module-sandbox-preload' --> 'Template:Documentation/preload-module-sandbox'
-- 'template-sandbox-preload' --> 'Template:Documentation/preload-sandbox'
-- 'sandbox-create-link-display' --> 'create'
-- 'mirror-edit-summary' --> 'Create sandbox version of $1'
-- 'mirror-link-display' --> 'mirror'
-- 'sandbox-link-display' --> 'sandbox'
-- 'testcases-link-display' --> 'testcases'
-- 'testcases-edit-link-display'--> 'edit'
-- 'module-testcases-preload' --> 'Template:Documentation/preload-module-testcases'
-- 'template-sandbox-preload' --> 'Template:Documentation/preload-sandbox'
-- 'testcases-create-link-display' --> 'create'
-- 'testcases-link-display' --> 'testcases'
-- 'testcases-edit-link-display' --> 'edit'
-- 'module-testcases-preload' --> 'Template:Documentation/preload-module-testcases'
-- 'template-testcases-preload' --> 'Template:Documentation/preload-testcases'
-- 'experiment-blurb-module' --> 'Editors can experiment in this module's $1 and $2 pages.'
-- 'experiment-blurb-template' --> 'Editors can experiment in this template's $1 and $2 pages.'
--]]
local subjectSpace = env.subjectSpace
local templateTitle = env.templateTitle
local sandboxTitle = env.sandboxTitle
local testcasesTitle = env.testcasesTitle
local templatePage = templateTitle.prefixedText
if not subjectSpace or not templateTitle or not sandboxTitle or not testcasesTitle then
return nil
end
-- Make links.
local sandboxLinks, testcasesLinks
if sandboxTitle.exists then
local sandboxPage = sandboxTitle.prefixedText
local sandboxDisplay = message('sandbox-link-display')
local sandboxLink = makeWikilink(sandboxPage, sandboxDisplay)
local sandboxEditUrl = sandboxTitle:fullUrl{action = 'edit'}
local sandboxEditDisplay = message('sandbox-edit-link-display')
local sandboxEditLink = makeUrlLink(sandboxEditUrl, sandboxEditDisplay)
local compareUrl = env.compareUrl
local compareLink
if compareUrl then
local compareDisplay = message('compare-link-display')
compareLink = makeUrlLink(compareUrl, compareDisplay)
end
sandboxLinks = sandboxLink .. ' ' .. makeToolbar(sandboxEditLink, compareLink)
else
local sandboxPreload
if subjectSpace == 828 then
sandboxPreload = message('module-sandbox-preload')
else
sandboxPreload = message('template-sandbox-preload')
end
local sandboxCreateUrl = sandboxTitle:fullUrl{action = 'edit', preload = sandboxPreload}
local sandboxCreateDisplay = message('sandbox-create-link-display')
local sandboxCreateLink = makeUrlLink(sandboxCreateUrl, sandboxCreateDisplay)
local mirrorSummary = message('mirror-edit-summary', {makeWikilink(templatePage)})
local mirrorUrl = sandboxTitle:fullUrl{action = 'edit', preload = templatePage, summary = mirrorSummary}
local mirrorDisplay = message('mirror-link-display')
local mirrorLink = makeUrlLink(mirrorUrl, mirrorDisplay)
sandboxLinks = message('sandbox-link-display') .. ' ' .. makeToolbar(sandboxCreateLink, mirrorLink)
end
if testcasesTitle.exists then
local testcasesPage = testcasesTitle.prefixedText
local testcasesDisplay = message('testcases-link-display')
local testcasesLink = makeWikilink(testcasesPage, testcasesDisplay)
local testcasesEditUrl = testcasesTitle:fullUrl{action = 'edit'}
local testcasesEditDisplay = message('testcases-edit-link-display')
local testcasesEditLink = makeUrlLink(testcasesEditUrl, testcasesEditDisplay)
testcasesLinks = testcasesLink .. ' ' .. makeToolbar(testcasesEditLink)
else
local testcasesPreload
if subjectSpace == 828 then
testcasesPreload = message('module-testcases-preload')
else
testcasesPreload = message('template-testcases-preload')
end
local testcasesCreateUrl = testcasesTitle:fullUrl{action = 'edit', preload = testcasesPreload}
local testcasesCreateDisplay = message('testcases-create-link-display')
local testcasesCreateLink = makeUrlLink(testcasesCreateUrl, testcasesCreateDisplay)
testcasesLinks = message('testcases-link-display') .. ' ' .. makeToolbar(testcasesCreateLink)
end
local messageName
if subjectSpace == 828 then
messageName = 'experiment-blurb-module'
else
messageName = 'experiment-blurb-template'
end
return message(messageName, {sandboxLinks, testcasesLinks})
end

function p.makeCategoriesBlurb(args, env)
--[[
-- Generates the text "Please add categories to the /doc subpage."
-- @args - a table of arguments passed by the user
-- @env - environment table containing title objects, etc., generated with p.getEnvironment
-- Messages:
-- 'doc-link-display' --> '/doc'
-- 'add-categories-blurb' --> 'Please add categories to the $1 subpage.'
--]]
local docTitle = env.docTitle
if not docTitle then
return nil
end
local docPathLink = makeWikilink(docTitle.prefixedText, message('doc-link-display'))
return message('add-categories-blurb', {docPathLink})
end

function p.makeSubpagesBlurb(args, env)
--[[
-- Generates the "Subpages of this template" link.
-- @args - a table of arguments passed by the user
-- @env - environment table containing title objects, etc., generated with p.getEnvironment

-- Messages:
-- 'template-pagetype' --> 'template'
-- 'module-pagetype' --> 'module'
-- 'default-pagetype' --> 'page'
-- 'subpages-link-display' --> 'Subpages of this $1'
--]]
local subjectSpace = env.subjectSpace
local templateTitle = env.templateTitle
if not subjectSpace or not templateTitle then
return nil
end
local pagetype
if subjectSpace == 10 then
pagetype = message('template-pagetype')
elseif subjectSpace == 828 then
pagetype = message('module-pagetype')
else
pagetype = message('default-pagetype')
end
local subpagesLink = makeWikilink(
'Special:PrefixIndex/' .. templateTitle.prefixedText .. '/',
message('subpages-link-display', {pagetype})
)
return message('subpages-blurb', {subpagesLink})
end

function p.makePrintBlurb(args, env)
--[=[
-- Generates the blurb displayed when there is a print version of the template available.
-- @args - a table of arguments passed by the user
-- @env - environment table containing title objects, etc., generated with p.getEnvironment
--
-- Messages:
-- 'print-link-display' --> '/Print'
-- 'print-blurb' --> 'A [[Help:Books/for experts#Improving the book layout|print version]]'
-- .. ' of this template exists at $1.'
-- .. ' If you make a change to this template, please update the print version as well.'
-- 'display-print-category' --> true
-- 'print-category' --> 'Templates with print versions'
--]=]
local printTitle = env.printTitle
if not printTitle then
return nil
end
local ret
if printTitle.exists then
local printLink = makeWikilink(printTitle.prefixedText, message('print-link-display'))
ret = message('print-blurb', {printLink})
local displayPrintCategory = message('display-print-category', nil, 'boolean')
if displayPrintCategory then
ret = ret .. makeCategoryLink(message('print-category'))
end
end
return ret
end

----------------------------------------------------------------------------
-- Tracking categories
----------------------------------------------------------------------------

function p.addTrackingCategories(env)
--[[
-- Check if {{documentation}} is transcluded on a /doc or /testcases page.
-- @env - environment table containing title objects, etc., generated with p.getEnvironment

-- Messages:
-- 'display-strange-usage-category' --> true
-- 'doc-subpage' --> 'doc'
-- 'testcases-subpage' --> 'testcases'
-- 'strange-usage-category' --> 'Wikipedia pages with strange ((documentation)) usage'
--
-- /testcases pages in the module namespace are not categorised, as they may have
-- {{documentation}} transcluded automatically.
--]]
local title = env.title
local subjectSpace = env.subjectSpace
if not title or not subjectSpace then
return nil
end
local subpage = title.subpageText
local ret = ''
if message('display-strange-usage-category', nil, 'boolean')
and (
subpage == message('doc-subpage')
or subjectSpace ~= 828 and subpage == message('testcases-subpage')
)
then
ret = ret .. makeCategoryLink(message('strange-usage-category'))
end
return ret
end

return p