Module:Documentation
From Game Detectives Wiki
Documentation for this module may be created at Module:Documentation/doc
-- 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 gsub = 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, expectType, valArray)
--[[
-- 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.
-- 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 cfg.fooMessage had the value 'Foo $2 bar $1.',
-- message('fooMessage', 'string', {'baz', 'qux'}) would return "Foo qux bar baz."
--]]
local msg = cfg[cfgKey]
if expectType and 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 $' .. match .. ' in message cfg.' .. cfgKey, 4)
end
local ret = gsub(msg, '$([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
local function err(msg)
return string.format(
'<strong class="error">[[Module:Documentation]] error: %s</strong>%s',
msg,
makeCategoryLink('Documentation template invocations with errors')
)
end
p.err = err
----------------------------------------------------------------------------
-- Argument processing
----------------------------------------------------------------------------
local function makeInvokeFunc(funcName)
return function (frame)
local headingArg = message('headingArg', 'string')
local args = getArgs(frame, {
valueFunc = function (key, value)
if type(value) == 'string' then
value = value:match('^%s*(.-)%s*$') -- Remove whitespace.
if key == headingArg 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)
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('mainDivId', 'string'))
.addClass(message('mainDivClasses', 'string'))
.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 the title to use, the subject namespace, etc.
-- This is called from p._main using pcall in case we get any errors from exceeding the expensive function count
-- limit, or other perils unknown.
--
-- Data includes:
-- env.title - the title object of the page we are making documentation for (usually the current title)
-- env.subjectSpace - the number of the title's subject namespace.
-- env.docspace - the name of the namespace the title puts its documentation in.
-- env.templatePage - the name of the template page with no namespace or interwiki prefixes.
local env, envFuncs = {}, {}
-- Set up the metatable. If a nil value is called, we call that function in the envFuncs table and memoize it
-- in the env table so we don't have to call any of the functions more than once.
setmetatable(env, {
__index = function (t, key)
local envFunc = envFuncs[key]
if envFunc then
local val = envFunc()
env[key] = val
return val
else
return nil
end
end
})
function envFuncs.title()
-- The title object for the current page, or a test page passed with args.page.
local title
local titleArg = args[message('titleArg', 'string')]
if titleArg then
title = mw.title.new(titleArg)
if not title then
error(message('titleArgError', 'string', {titleArg}))
end
else
title = mw.title.getCurrentTitle()
end
return title
end
function envFuncs.subjectSpace()
-- The subject namespace number.
return mw.site.namespaces[env.title.namespace].subject.id
end
function envFuncs.docspace()
-- The name of the documentation namespace.
local subjectSpace = env.subjectSpace
if subjectSpace == 0 or subjectSpace == 6 or subjectSpace == 8 or subjectSpace == 14 then
-- Pages in the Article, File, MediaWiki or Category namespaces must have their
-- /doc, /sandbox and /testcases pages in talk space.
return mw.site.namespaces[subjectSpace].talk.name
else
return env.title.subjectNsText
end
end
function envFuncs.templatePage()
-- The template page with no namespace or interwiki prefixes.
local title = env.title
local subpage = title.subpageText
if subpage == message('sandboxSubpage', 'string') or subpage == message('testcasesSubpage', 'string') then
return title.baseText
else
return title.text
end
end
function envFuncs.docTitle()
-- Title object of the /doc subpage.
local title = env.title
local docname = args[1] -- User-specified doc page.
local docpage
if docname then
docpage = docname
else
docpage = env.docpageRoot .. '/' .. message('docSubpage', 'string')
end
return mw.title.new(docpage)
end
function envFuncs.docpageRoot()
-- The base page of the /doc, /sandbox, and /testcases subpages.
-- For some namespaces this is the talk page, rather than the template page.
local title = env.title
return (env.docspace or title.nsText) .. ':' .. (env.templatePage or title.text)
end
function envFuncs.sandboxTitle()
-- Title object for the /sandbox subpage.
local titleArg = env.docpageRoot .. '/' .. message('sandboxSubpage', 'string')
local title = mw.title.new(titleArg)
if not title then
error(message('titleArgError', 'string', {titleArg}))
end
return title
end
function envFuncs.testcasesTitle()
-- Title object for the /testcases subpage.
local titleArg = env.docpageRoot .. '/' .. message('testcasesSubpage', 'string')
local title = mw.title.new(titleArg)
if not title then
error(message('titleArgError', 'string', {titleArg}))
end
return title
end
function envFuncs.printTitle()
-- Title object for the /Print subpage.
local titleArg = env.templatePage .. '/' .. message('printSubpage', 'string')
local title = mw.title.new(titleArg)
if not title then
error(message('titleArgError', 'string', {titleArg}))
end
return title
end
function env:grab(key)
local success, val = pcall(function() return self[key] end)
return success, val
end
return env
end
----------------------------------------------------------------------------
-- Auxiliary templates
----------------------------------------------------------------------------
function p.sandboxNotice(args, env)
local sandboxNoticeTemplate = message('sandboxNoticeTemplate', 'string')
if not (sandboxNoticeTemplate and env.title.subpageText == message('sandboxSubpage', 'string')) then
return nil
end
local frame = mw.getCurrentFrame()
local notice = htmlBuilder.create()
notice
.tag('div')
.css('clear', 'both')
.done()
.wikitext(frame:expandTemplate{title = sandboxNoticeTemplate, args = {[message('sandboxNoticeLivepageParam')] = args[message('livepageArg', 'string')]}})
return tostring(notice)
end
function p.protectionTemplate(env)
local title = env.title
local protectionTemplate = message('protectionTemplate', 'string')
if not (protectionTemplate and title.namespace == 10) then
-- Don't display the protection template if we are not in the template namespace.
return nil
end
local frame = mw.getCurrentFrame()
local function getProtectionLevel(protectionType, page)
-- Gets the protection level for page, or for the current page if page is not specified.
local level = frame:callParserFunction('PROTECTIONLEVEL', protectionType, page)
if level ~= '' then
return level
else
return nil -- The parser function returns the blank string if there is no match.
end
end
local prefixedTitle = title.prefixedText
if getProtectionLevel('move', prefixedTitle) == 'sysop' or getProtectionLevel('edit', prefixedTitle) then
-- The page is full-move protected, or full, template, or semi-protected.
return frame:expandTemplate{title = protectionTemplate, args = message('protectionTemplateArgs', 'table')}
end
return nil
end
----------------------------------------------------------------------------
-- Start box
----------------------------------------------------------------------------
p.startBox = makeInvokeFunc('_startBox')
function p._startBox(args, env)
-- Generate [view][edit][history][purge] or [create] links.
local links
local content = args[message('contentArg', 'string')]
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)
links = p.renderStartBoxLinks(linksData)
end
-- Generate the start box html.
local data = p.makeStartBoxData(args, env, links)
if type(data) == 'table' then
return p.renderStartBox(data)
elseif type(data) == 'string' then
-- data is an error message.
return data
else
-- User specified no heading.
return nil
end
end
function p.makeStartBoxLinksData(args, env)
local data = {}
-- Get title objects.
local titleSuccess, title = env:grab('title')
if titleSuccess then
data.title = title
else
return err(title)
end
local docTitleSuccess, docTitle = env:grab('docTitle')
if docTitleSuccess then
data.docTitle = docTitle
else
return err(docTitle)
end
-- View, display, edit, and purge links if /doc exists.
data.viewLinkDisplay = message('viewLinkDisplay', 'string')
data.editLinkDisplay = message('editLinkDisplay', 'string')
data.historyLinkDisplay = message('historyLinkDisplay', 'string')
data.purgeLinkDisplay = message('purgeLinkDisplay', 'string')
-- Create link if /doc doesn't exist.
local preload = args[message('preloadArg', 'string')]
if not preload then
if env.subjectSpace == 6 then -- File namespace
preload = message('fileDocpagePreload', 'string')
else
preload = message('docpagePreload', 'string')
end
end
data.preload = preload
data.createLinkDisplay = message('createLinkDisplay', 'string')
return data
end
function p.renderStartBoxLinks(data)
-- Render the [view][edit][history][purge] or [create] links.
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 = ret:gsub('%[', '[') -- Replace square brackets with HTML entities.
ret = ret:gsub('%]', ']')
ret = mw.ustring.format(ret, viewLink, editLink, historyLink, purgeLink)
else
ret = makeUrlLink(docTitle:fullUrl{action = 'edit', preload = data.preload}, data.createLinkDisplay)
end
end
function p.makeStartBoxData(args, env, links)
local subjectSpace = env.subjectSpace
local data = {}
-- Heading
local heading = args[message('headingArg', 'string')] -- 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('documentationIconWikitext', 'string') .. ' ' .. message('templateNamespaceHeading', 'string')
elseif subjectSpace == 828 then -- Module namespace
data.heading = message('documentationIconWikitext', 'string') .. ' ' .. message('moduleNamespaceHeading', 'string')
elseif subjectSpace == 6 then -- File namespace
data.heading = message('fileNamespaceHeading', 'string')
else
data.heading = message('otherNamespacesHeading', 'string')
end
-- Heading CSS
local headingStyle = args[message('headingStyleArg', 'string')]
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
-- [view][edit][history][purge] or [create] links.
if links then
data.linksClass = message('startBoxLinkclasses', 'string')
data.linksId = message('startBoxLinkId', 'string')
data.links = links
end
return data
end
function p.renderStartBox(data)
-- Renders the start box html.
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)
local content = args[message('contentArg', 'string')]
if not content then
local docpage = args[1]
if docpage and mw.title.new(docpage).exists then
local frame = mw.getCurrentFrame()
content = frame:preprocess('{{ ' .. docpage .. ' }}')
else
docpage = env.docspace .. ':' .. env.templatePage .. '/' .. message('docSubpage', 'string')
if mw.title.new(docpage).exists then
local frame = mw.getCurrentFrame()
content = frame:preprocess('{{ ' .. docpage .. ' }}')
end
end
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)
local title = env.title
local subjectSpace = env.subjectSpace
-- Argument processing in {{documentation}}.
local content = args[message('contentArg', 'string')]
local linkBox = args[message('linkBoxArg', 'string')] -- So "link box=off" works.
local docspace = env.docspace
local docname = args[1] -- Other docname, if fed.
local templatePage = env.templatePage
-- Argument processing in {{documentation/end box2}}.
local docpageRoot = (docspace or title.nsText) .. ':' .. (templatePage or title.text)
local docpage
if docname then
docpage = docname
else
docpage = docpageRoot .. '/' .. message('docSubpage', 'string')
end
local docTitle = mw.title.new(docpage)
local docExist = docTitle.exists
local docnameFed = args[1] and true
local sandbox = docpageRoot .. '/' .. message('sandboxSubpage', 'string')
local testcases = docpageRoot .. '/' .. message('testcasesSubpage', 'string')
templatePage = title.nsText .. ':' .. templatePage
-- Output from {{documentation/end box}}
-- First, 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.
if linkBox == message('linkBoxOff', 'string') or not (docExist or subjectSpace == 2 or subjectSpace == 828 or subjectSpace == 10) then
return nil
end
-- Assemble the arguments for {{fmbox}}.
local fmargs = {}
fmargs[message('fmboxIdParam', 'string')] = message('fmboxId', 'string') -- Sets fmargs.id = 'documentation-meta-data'
fmargs[message('fmboxImageParam', 'string')] = message('fmboxImageNone', 'string') -- Sets fmargs.image = 'none'
fmargs[message('fmboxStyleParam', 'string')] = message('fmboxStyle', 'string') -- Sets fmargs.style = 'background-color: #ecfcf4'
fmargs[message('fmboxTextstyleParam', 'string')] = message('fmboxTextstyle', 'string') -- Sets fmargs.textstyle = 'font-style: italic;'
-- Assemble the fmbox text field.
local text = ''
if linkBox then
-- Use custom link box content if it is defined.
text = text .. linkBox
else
text = text .. p.makeDocPageBlurb(args, env)
-- Add links to /sandbox and /testcases when appropriate.
if subjectSpace == 2 or subjectSpace == 828 or subjectSpace == 10 then
-- We are in the user, module or template namespaces.
text = text .. p.makeEndBoxExperimentBlurb(args, env)
text = text .. '<br />'
-- Show the categories text, but not if "content" fed or "docname fed" since then it is unclear where to add the categories.
if not content and not docnameFed then
local docPathLink = makeWikilink(docpage, message('docLinkDisplay', 'string'))
text = text .. message('addCategoriesBlurb', 'string', {docPathLink})
end
-- Show the "subpages" link.
if subjectSpace ~= 6 then -- Don't show the link in file space.
local pagetype
if subjectSpace == 10 then
pagetype = message('templatePagetype', 'string')
elseif subjectSpace == 828 then
pagetype = message('modulePagetype', 'string')
else
pagetype = message('defaultPagetype', 'string')
end
text = text .. ' ' .. makeWikilink('Special:PrefixIndex/' .. templatePage .. '/', message('subpagesLinkDisplay', 'string', {pagetype}))
end
-- Show the "print" link if it exists.
local printPage = templatePage .. '/' .. message('printSubpage', 'string')
local printTitle = mw.title.new(printPage)
if printTitle.exists then
local printLink = makeWikilink(printPage, message('printLinkDisplay', 'string'))
text = text .. '<br />' .. message('printBlurb', 'string', {printLink})
.. (message('displayPrintCategory', 'boolean') and makeCategoryLink(message('printCategory', 'string')) or '')
end
end
end
fmargs.text = text
-- Return the fmbox output.
return messageBox.main('fmbox', fmargs)
end
function p.makeDocPageBlurb(args, env)
-- Get the title object.
local success, docTitle = env:grab('docTitle')
if not success then
-- docTitle is the error message.
return docTitle
end
-- Make the blurb.
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('editLinkDisplay', 'string')
local editLink = makeUrlLink(editUrl, editDisplay)
local historyUrl = docTitle:fullUrl{action = 'history'}
local historyDisplay = message('historyLinkDisplay', 'string')
local historyLink = makeUrlLink(historyUrl, historyDisplay)
ret = message('transcludedFromBlurb', 'string', {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('modulePreload', 'string')}
local createDisplay = message('createLinkDisplay', 'string')
local createLink = makeUrlLink(createUrl, createDisplay)
ret = message('createModuleDocBlurb', 'string', {createLink})
.. '<br />'
end
return ret
end
function p.makeEndBoxExperimentBlurb(args, env)
-- Renders the text "Editors can experiment in this template's sandbox (edit | diff) and testcases (edit) pages."
local subjectSpace = env.subjectSpace
local templatePage = env.templatePage
-- Get title objects.
local sandboxSuccess, sandboxTitle = env:grab('sandboxTitle')
if not sandboxSuccess then
return err(sandboxTitle)
end
local testcasesSuccess, testcasesTitle = env:grab('testcasesTitle')
if not testcasesSuccess then
return err(testcasesTitle)
end
-- Make links.
local sandboxLinks, testcasesLinks
if sandboxTitle.exists then
local sandboxLink = makeWikilink(sandboxTitle.prefixedText, message('sandboxLinkDisplay', 'string'))
local sandboxEditLink = makeUrlLink(sandboxTitle:fullUrl{action = 'edit'}, message('sandboxEditLinkDisplay', 'string'))
local compareLink = makeUrlLink(mw.title.new('Special:ComparePages'):fullUrl{page1 = templatePage, page2 = sandbox}, message('compareLinkDisplay', 'string'))
sandboxLinks = sandboxLink .. ' ' .. makeToolbar(sandboxEditLink, compareLink)
else
local sandboxPreload = subjectSpace == 828 and message('moduleSandboxPreload', 'string') or message('templateSandboxPreload', 'string')
local sandboxCreateLink = makeUrlLink(sandboxTitle:fullUrl{action = 'edit', preload = sandboxPreload}, message('sandboxCreateLinkDisplay', 'string'))
local mirrorSummary = message('mirrorEditSummary', 'string', {makeWikilink(templatePage)})
local mirrorLink = makeUrlLink(sandboxTitle:fullUrl{action = 'edit', preload = templatePage, summary = mirrorSummary}, message('mirrorLinkDisplay', 'string'))
sandboxLinks = message('sandboxLinkDisplay', 'string') .. ' ' .. makeToolbar(sandboxCreateLink, mirrorLink)
end
if testcasesTitle.exists then
local testcasesLink = makeWikilink(testcasesTitle.prefixedText, message('testcasesLinkDisplay', 'string'))
local testcasesEditLink = makeUrlLink(testcasesTitle:fullUrl{action = 'edit'}, message('testcasesEditLinkDisplay', 'string'))
testcasesLinks = testcasesLink .. ' ' .. makeToolbar(testcasesEditLink)
else
local testcasesPreload = subjectSpace == 828 and message('moduleTestcasesPreload', 'string') or message('templateTestcasesPreload', 'string')
local testcasesCreateLink = makeUrlLink(testcasesTitle:fullUrl{action = 'edit', preload = testcasesPreload}, message('testcasesCreateLinkDisplay', 'string'))
testcasesLinks = message('testcasesLinkDisplay', 'string') .. ' ' .. makeToolbar(testcasesCreateLink)
end
return message(subjectSpace == 828 and 'experimentBlurbModule' or 'experimentBlurbTemplate', 'string', {sandboxLinks, testcasesLinks})
end
----------------------------------------------------------------------------
-- Tracking categories
----------------------------------------------------------------------------
function p.addTrackingCategories(env)
-- Check if {{documentation}} is transcluded on a /doc or /testcases page.
local title = env.title
local ret = ''
local subpage = title.subpageText
if message('displayStrangeUsageCategory', 'boolean') and (subpage == message('docSubpage', 'string') or subpage == message('testcasesSubpage', 'string')) then
local sort = (title.namespace == 0 and message('strangeUsageCategoryMainspaceSort', 'string') or '') .. title.prefixedText -- Sort on namespace.
ret = ret .. makeCategoryLink(message('strangeUsageCategory', 'string'), sort)
end
return ret
end
return p
