Difference between revisions of "Module:Documentation"

From BESA® Wiki
Jump to: navigation, search
m (121 revisions)
(Fix large docs disappearing)
(2 intermediate revisions by 2 users not shown)
Line 1: Line 1:
-- This module implements {{documentation}}.
 
 
-- Get required modules.
 
local getArgs = require('Module:Arguments').getArgs
 
local messageBox = require('Module:Message box')
 
 
-- Get the config table.
 
local cfg = mw.loadData('Module:Documentation/config')
 
 
 
local p = {}
 
local p = {}
  
-- Often-used functions.
+
local getType = function( namespace, page )
local ugsub = mw.ustring.gsub
+
local pageType = 'template'
 
+
if namespace == 'Module' then
----------------------------------------------------------------------------
+
pageType = 'module'
-- Helper functions
+
elseif page.fullText:gsub( '/doc$', '' ):find( '%.css$' ) then
--
+
pageType = 'stylesheet'
-- These are defined as local functions, but are made available in the p
+
elseif page.fullText:gsub( '/doc$', '' ):find( '%.js$' ) then
-- table for testing purposes.
+
pageType = 'script'
----------------------------------------------------------------------------
+
elseif namespace == 'MediaWiki' then
 
+
pageType = 'message'
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
 
end
if not valArray then
+
return msg
+
return pageType
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
 
end
  
p.message = message
+
-- Creating a documentation page or transclution through {{subst:doc}}
 
+
function p.create( f )
local function makeWikilink(page, display)
+
local args = require( 'Module:ProcessArgs' ).norm()
if display then
+
local page = mw.title.getCurrentTitle()
return mw.ustring.format('[[%s|%s]]', page, display)
+
local docPage = args.page or page.nsText .. ':' .. page.baseText .. '/doc'
 +
 +
local out
 +
if not args.content and tostring( page ) == docPage then
 +
out = f:preprocess( '{{subst:Template:Documentation/preload}}' )
 
else
 
else
return mw.ustring.format('[[%s]]', page)
+
local templateArgs = {}
end
+
for _, key in ipairs{ 'type', 'page', 'content' } do
end
+
local val = args[key]
 
+
if val then
p.makeWikilink = makeWikilink
+
if key == 'content' then val = '\n' .. val .. '\n' end
 
+
table.insert( templateArgs, key .. '=' .. val )
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, ' &#124; ') .. ')</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
 
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 = mw.html.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))
 
: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
 
end
})
+
 
+
out = '{{documentation|' .. table.concat( templateArgs, '|' ) .. '}}'
function envFuncs.title()
+
out = out:gsub( '|}}', '}}' )
-- The title object for the current page, or a test page passed with args.page.
+
local title
+
if not args.content then
local titleArg = args.page
+
out = out .. '\n<!-- Put categories/interwiki on the documentation page -->'
if titleArg then
+
title = mw.title.new(titleArg)
+
else
+
title = mw.title.getCurrentTitle()
+
 
end
 
end
return title
 
 
end
 
end
 
+
function envFuncs.templateTitle()
+
if not mw.isSubsting() then
--[[
+
out = f:preprocess( out )
-- The template (or module, etc.) title object.
+
if not args.nocat then
-- Messages:
+
out = out .. '[[Category:Pages with templates requiring substitution]]'
-- '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
 
end
 
end
 +
 +
return out
 +
end
  
function envFuncs.docTitle()
+
-- Header on the documentation page
--[[
+
function p.docPage( f )
-- Title object of the /doc subpage.
+
local args = require( 'Module:ProcessArgs' ).merge( true )
-- Messages:
+
local badDoc = args.baddoc
-- 'doc-subpage' --> 'doc'
+
if f:callParserFunction( '#dplvar', '$doc noheader' ) == '1' then
--]]
+
if badDoc then
local title = env.title
+
f:callParserFunction( '#dplvar:set', '$doc bad', '1' )
local docname = args[1] -- User-specified doc page.
+
local docpage
+
if docname then
+
docpage = docname
+
else
+
docpage = env.docpageBase .. '/' .. message('doc-subpage')
+
 
end
 
end
return mw.title.new(docpage)
+
return
 
end
 
end
 
 
function envFuncs.sandboxTitle()
+
local page = mw.title.getCurrentTitle()
--[[
+
local namespace = page.nsText
-- Title object for the /sandbox subpage.
+
local pageType = mw.ustring.lower( args.type or getType( namespace, page ) )
-- Messages:
+
-- 'sandbox-subpage' --> 'sandbox'
+
--]]
+
return mw.title.new(env.docpageBase .. '/' .. message('sandbox-subpage'))
+
end
+
 
 
function envFuncs.testcasesTitle()
+
local body = mw.html.create( 'div' ):addClass( 'documentation-header' )
--[[
+
body
-- Title object for the /testcases subpage.
+
:css{
-- Messages:
+
['margin-bottom'] = '0.8em',
-- 'testcases-subpage' --> 'testcases'
+
padding = '0.8em 1em 0.7em',
--]]
+
['background-color'] = '#' .. ( badDoc and 'F9F2EA' or 'EAF4F9' ),
return mw.title.new(env.docpageBase .. '/' .. message('testcases-subpage'))
+
border = '1px solid #AAA'
 +
}
 +
:tag( 'div' )
 +
:css( 'float', 'right' )
 +
:wikitext( '[[', page:fullUrl( 'action=purge' ), ' purge]]' )
 +
:done()
 +
:wikitext(
 +
'This is the documentation page, it ',
 +
pageType == 'module' and 'will' or 'should',
 +
' be transcluded into the main ', pageType, ' page. ',
 +
'See [[Template:Documentation]] for more information'
 +
)
 +
if badDoc then
 +
body:wikitext( "<br>'''This ", pageType, "'s documentation needs improving or additional information.'''" )
 
end
 
end
+
if not ( args.nocat or namespace == 'User' ) then
function envFuncs.printTitle()
+
body:wikitext( '[[Category:Documentation pages]]' )
--[[
+
-- 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
 
end
 
 
function envFuncs.compareUrl()
+
return body
-- 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.svg|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
+
if testcasesTitle.namespace == mw.site.namespaces.Module.id then
+
local testcasesLinkDisplay = message('sandbox-notice-testcases-link-display')
+
local testcasesRunLinkDisplay = message('sandbox-notice-testcases-run-link-display')
+
local testcasesLink = makeWikilink(testcasesTitle.prefixedText, testcasesLinkDisplay)
+
local testcasesRunLink = makeWikilink(testcasesTitle.talkPageTitle.prefixedText, testcasesRunLinkDisplay)
+
text = text .. '<br />' .. message('sandbox-notice-testcases-run-blurb', {testcasesLink, testcasesRunLink})
+
else
+
local testcasesLinkDisplay = message('sandbox-notice-testcases-link-display')
+
local testcasesLink = makeWikilink(testcasesTitle.prefixedText, testcasesLinkDisplay)
+
text = text .. '<br />' .. message('sandbox-notice-testcases-blurb', {testcasesLink})
+
end
+
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
 
end
  
function p.protectionTemplate(env)
+
-- Wrapper around the documentation on the main page
-- Generates the padlock icon in the top right.
+
function p.page( f )
-- @env - environment table containing title objects, etc., generated with p.getEnvironment
+
-- mw.text.trim uses mw.ustring.gsub, which silently fails on large strings
-- Messages:
+
local function trim( s )
-- 'protection-template' --> 'pp-template'
+
return string.gsub( s, '^[\t\r\n\f ]*(.-)[\t\r\n\f ]*$', '%1' )
-- 'protection-template-args' --> {docusage = 'yes'}
+
local protectionLevels, mProtectionBanner
+
local title = env.title
+
protectionLevels = env.protectionLevels
+
if not protectionLevels then
+
return nil
+
 
end
 
end
local editProt = protectionLevels.edit and protectionLevels.edit[1]
+
local args = require( 'Module:ProcessArgs' ).merge( true )
local moveProt = protectionLevels.move and protectionLevels.move[1]
+
local page = mw.title.getCurrentTitle()
if editProt then
+
local namespace = page.nsText
-- The page is edit-protected.
+
local docText = trim( args.content or '' )
mProtectionBanner = require('Module:Protection banner')
+
if docText == '' then docText = nil end
local reason = message('protection-reason-edit')
+
return mProtectionBanner._main{reason, small = true}
+
local docPage
elseif moveProt and moveProt ~= 'autoconfirmed' then
+
local noDoc
-- The page is move-protected but not edit-protected. Exclude move
+
if docText then
-- protection with the level "autoconfirmed", as this is equivalent to
+
docPage = page
-- no move protection at all.
+
mProtectionBanner = require('Module:Protection banner')
+
return mProtectionBanner._main{action = 'move', small = true}
+
 
else
 
else
return nil
+
docPage = mw.title.new( args.page or namespace .. ':' .. page.text .. '/doc' )
 +
noDoc = args.nodoc or not docPage.exists
 
end
 
end
end
+
local badDoc = args.baddoc
 
+
local pageType = mw.ustring.lower( args.type or getType( namespace, page ) )
----------------------------------------------------------------------------
+
-- Start box
+
if not docText and not noDoc then
----------------------------------------------------------------------------
+
f:callParserFunction( '#dplvar:set', '$doc noheader', '1' )
 
+
docText = trim( f:expandTemplate{ title = ':' .. docPage.fullText }  )
p.startBox = makeInvokeFunc('_startBox')
+
if f:callParserFunction( '#dplvar', '$doc bad' ) == '1' then
 
+
badDoc = 1
function p._startBox(args, env)
+
end
--[[
+
-- This function generates the start box.
+
if docText == '' then
-- @args - a table of arguments passed by the user
+
docText = nil
-- @env - environment table containing title objects, etc., generated with p.getEnvironment
+
noDoc = 1
--
+
-- 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
 
end
 
end
-- Generate the start box html.
+
if docText then
local data = p.makeStartBoxData(args, env, links)
+
docText = '\n' .. docText .. '\n'
if data then
+
return p.renderStartBox(data)
+
else
+
-- User specified no heading.
+
return nil
+
 
end
 
end
end
+
 
+
local action = 'edit'
function p.makeStartBoxLinksData(args, env)
+
local preload = ''
--[[
+
local colour = 'EAF4F9'
-- Does initial processing of data to make the [view] [edit] [history] [purge] links.
+
local message
-- @args - a table of arguments passed by the user
+
local category
-- @env - environment table containing title objects, etc., generated with p.getEnvironment
+
if noDoc then
--
+
action = 'create'
-- Messages:
+
preload = '&preload=Template:Documentation/preload'
-- 'view-link-display' --> 'view'
+
colour = 'F9EAEA'
-- 'edit-link-display' --> 'edit'
+
message = "'''This " .. pageType .. " has no documentation. " ..
-- 'history-link-display' --> 'history'
+
"If you know how to use this " .. pageType .. ", please create it.'''"
-- 'purge-link-display' --> 'purge'
+
if not ( args.nocat or namespace == 'User' ) then
-- 'file-docpage-preload' --> 'Template:Documentation/preload-filespace'
+
category = pageType .. 's with no documentation'
-- 'module-preload' --> 'Template:Documentation/preload-module-doc'
+
if not mw.title.new( 'Category:' .. category ).exists then
-- 'docpage-preload' --> 'Template:Documentation/preload'
+
category = 'Pages with no documentation'
-- 'create-link-display' --> 'create'
+
end
--]]
+
end
local subjectSpace = env.subjectSpace
+
elseif badDoc then
local title = env.title
+
colour = 'F9F2EA'
local docTitle = env.docTitle
+
message = "'''This " .. pageType .. "'s documentation needs improving or additional information.'''\n"
if not title or not docTitle then
+
if not ( args.nocat or namespace == 'User' ) then
return nil
+
category = pageType .. 's with bad documentation'
end
+
if not mw.title.new( 'Category:' .. category ).exists then
 
+
category = 'Pages with bad documentation'
local data = {}
+
end
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
 
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)
+
local links = {
-- Escapes square brackets with HTML entities.
+
'[' .. docPage:fullUrl( 'action=edit' .. preload ) .. ' ' .. action .. ']',
s = s:gsub('%[', '&#91;') -- Replace square brackets with HTML entities.
+
'[' .. docPage:fullUrl( 'action=history' ) .. ' history]',
s = s:gsub('%]', '&#93;')
+
'[' .. page:fullUrl( 'action=purge' ) .. ' purge]'
return s
+
}
 +
if not noDoc and page ~= docPage then
 +
table.insert( links, 1, '[[' .. docPage.fullText .. '|view]]' )
 
end
 
end
 
+
links = mw.html.create( 'span' )
local ret
+
:css( 'float', 'right' )
local docTitle = data.docTitle
+
:wikitext( mw.text.nowiki( '[' ), table.concat( links, ' | ' ), mw.text.nowiki( ']' ) )
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:Test Template Info-Icon - Version (2).svg|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 body = mw.html.create( 'div' ):addClass( 'documentation' )
local heading = args.heading -- Blank values are not removed.
+
body:css{
if heading == '' then
+
['background-color'] = '#' .. colour,
-- Don't display the start box if the heading arg is defined but blank.
+
border = '1px solid #AAA',
return nil
+
padding = '0.8em 1em 0.7em',
end
+
['margin-top'] = '1em',
if heading then
+
clear = 'both'
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 header = mw.html.create( 'div' )
local headingStyle = args['heading-style']
+
:css{
if headingStyle then
+
margin = '-0.8em -1em 0.8em',
data.headingStyleText = headingStyle
+
padding = '0.8em 1em 0.7em',
elseif subjectSpace == 10 then
+
['background-color'] = '#EAF4F9',
-- We are in the template or template talk namespaces.
+
['border-bottom'] = 'inherit'
data.headingFontWeight = 'bold'
+
}
data.headingFontSize = '125%'
+
else
+
header
data.headingFontSize = '150%'
+
:node( links )
end
+
:tag( 'span' )
 +
:css{
 +
['font-weight'] = 'bold',
 +
['font-size'] = '130%',
 +
['margin-right'] = '1em',
 +
['line-height'] = '1'
 +
}
 +
:wikitext( 'Documentation' )
 
 
-- Data for the [view][edit][history][purge] or [create] links.
+
if not noDoc and pageType ~= 'template' and pageType ~= 'message' then
if links then
+
header
data.linksClass = message('start-box-linkclasses')
+
:tag( 'span' )
data.linksId = message('start-box-link-id')
+
:css( 'white-space', 'nowrap' )
data.links = links
+
:wikitext( '[[#the-code|Jump to code ↴]]' )
 
end
 
end
 
 
return data
+
body
end
+
:node( header ):done()
 
+
:wikitext( message )
function p.renderStartBox(data)
+
:wikitext( docText )
-- Renders the start box html.
+
-- @data - a table of data generated by p.makeStartBoxData.
+
if not noDoc and page ~= docPage then
local sbox = mw.html.create('div')
+
body
sbox
+
:tag( 'div' )
:css('padding-bottom', '3px')
+
:css{
:css('border-bottom', '1px solid #aaa')
+
margin = '0.7em -1em -0.7em',
:css('margin-bottom', '1ex')
+
['background-color'] = '#EAF4F9',
:newline()
+
['border-top'] = 'inherit',
:tag('span')
+
padding = '0.8em 1em 0.7em',
:cssText(data.headingStyleText)
+
clear = 'both'
:css('font-weight', data.headingFontWeight)
+
}
:css('font-size', data.headingFontSize)
+
:node( links )
:wikitext(data.heading)
+
:wikitext( 'The above documentation is transcluded from [[', docPage.fullText, ']].' )
local links = data.links
+
if links then
+
sbox:tag('span')
+
:addClass(data.linksClass)
+
:attr('id', data.linksId)
+
:wikitext(links)
+
 
end
 
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
 
content = args._content or mw.getCurrentFrame():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
 
 
p.contentTitle = makeInvokeFunc('_contentTitle')
 
 
function p._contentTitle(args, env)
 
env = env or p.getEnvironment(args)
 
local docTitle = env.docTitle
 
if not args.content and docTitle and docTitle.exists then
 
return docTitle.prefixedText
 
else
 
return ''
 
end
 
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.
+
if category then
env = env or p.getEnvironment(args)
+
body:wikitext( f:expandTemplate{ title = 'Translation category', args = { category, project = '0' } } )
local subjectSpace = env.subjectSpace
+
local docTitle = env.docTitle
+
if not subjectSpace or not docTitle then
+
return nil
+
 
end
 
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) or '')
 
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'
 
-- 'mirror-link-preload' --> 'Template:Documentation/mirror'
 
-- 'sandbox-link-display' --> 'sandbox'
 
-- 'testcases-link-display' --> 'testcases'
 
-- 'testcases-edit-link-display'--> 'edit'
 
-- '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 mirrorPreload = message('mirror-link-preload')
 
local mirrorUrl = sandboxTitle:fullUrl{action = 'edit', preload = mirrorPreload, 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:
+
local anchor = ''
-- 'template-pagetype' --> 'template'
+
if not noDoc and pageType ~= 'template' and pageType ~= 'message' then
-- 'module-pagetype' --> 'module'
+
anchor = mw.html.create( 'div' ):attr( 'id', 'the-code' )
-- '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
 
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:
+
return tostring( body ) .. tostring( anchor )
-- '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
 
end
  
 
return p
 
return p

Revision as of 13:36, 24 March 2016

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

Script error: Lua error: Internal error: The interpreter exited with status 126.

local p = {}

local getType = function( namespace, page )
	local pageType = 'template'
	if namespace == 'Module' then
		pageType = 'module'
	elseif page.fullText:gsub( '/doc$', '' ):find( '%.css$' ) then
		pageType = 'stylesheet'
	elseif page.fullText:gsub( '/doc$', '' ):find( '%.js$' ) then
		pageType = 'script'
	elseif namespace == 'MediaWiki' then
		pageType = 'message'
	end
	
	return pageType
end

-- Creating a documentation page or transclution through {{subst:doc}}
function p.create( f )
	local args = require( 'Module:ProcessArgs' ).norm()
	local page = mw.title.getCurrentTitle()
	local docPage = args.page or page.nsText .. ':' .. page.baseText .. '/doc'
	
	local out
	if not args.content and tostring( page ) == docPage then
		out = f:preprocess( '{{subst:Template:Documentation/preload}}' )
	else
		local templateArgs = {}
		for _, key in ipairs{ 'type', 'page', 'content' } do
			local val = args[key]
			if val then
				if key == 'content' then val = '\n' .. val .. '\n' end
				table.insert( templateArgs, key .. '=' .. val )
			end
		end
		
		out = '{{documentation|' .. table.concat( templateArgs, '|' ) .. '}}'
		out = out:gsub( '|}}', '}}' )
		
		if not args.content then
			out = out .. '\n<!-- Put categories/interwiki on the documentation page -->'
		end
	end
	
	if not mw.isSubsting() then
		out = f:preprocess( out )
		if not args.nocat then
			out = out .. '[[Category:Pages with templates requiring substitution]]'
		end
	end
	
	return out
end

-- Header on the documentation page
function p.docPage( f )
	local args = require( 'Module:ProcessArgs' ).merge( true )
	local badDoc = args.baddoc
	if f:callParserFunction( '#dplvar', '$doc noheader' ) == '1' then
		if badDoc then
			f:callParserFunction( '#dplvar:set', '$doc bad', '1' )
		end
		return
	end
	
	local page = mw.title.getCurrentTitle()
	local namespace = page.nsText
	local pageType = mw.ustring.lower( args.type or getType( namespace, page ) )
	
	local body = mw.html.create( 'div' ):addClass( 'documentation-header' )
	body
		:css{
			['margin-bottom'] = '0.8em',
			padding = '0.8em 1em 0.7em',
			['background-color'] = '#' .. ( badDoc and 'F9F2EA' or 'EAF4F9' ),
			border = '1px solid #AAA'
		}
		:tag( 'div' )
			:css( 'float', 'right' )
			:wikitext( '[[', page:fullUrl( 'action=purge' ), ' purge]]' )
		:done()
		:wikitext(
			'This is the documentation page, it ',
			pageType == 'module' and 'will' or 'should',
			' be transcluded into the main ', pageType, ' page. ',
			'See [[Template:Documentation]] for more information'
		)
	if badDoc then
		body:wikitext( "<br>'''This ", pageType, "'s documentation needs improving or additional information.'''" )
	end
	if not ( args.nocat or namespace == 'User' ) then
		body:wikitext( '[[Category:Documentation pages]]' )
	end
	
	return body
end

-- Wrapper around the documentation on the main page
function p.page( f )
	-- mw.text.trim uses mw.ustring.gsub, which silently fails on large strings
	local function trim( s )
		return string.gsub( s, '^[\t\r\n\f ]*(.-)[\t\r\n\f ]*$', '%1' )
	end
	local args = require( 'Module:ProcessArgs' ).merge( true )
	local page = mw.title.getCurrentTitle()
	local namespace = page.nsText
	local docText = trim( args.content or '' )
	if docText == '' then docText = nil end
	
	local docPage
	local noDoc
	if docText then
		docPage = page
	else
		docPage = mw.title.new( args.page or namespace .. ':' .. page.text .. '/doc' )
		noDoc = args.nodoc or not docPage.exists
	end
	local badDoc = args.baddoc
	local pageType = mw.ustring.lower( args.type or getType( namespace, page ) )
	
	if not docText and not noDoc then
		f:callParserFunction( '#dplvar:set', '$doc noheader', '1' )
		docText = trim( f:expandTemplate{ title = ':' .. docPage.fullText }  )
		if f:callParserFunction( '#dplvar', '$doc bad' ) == '1' then
			badDoc = 1
		end
		
		if docText == '' then
			docText = nil
			noDoc = 1
		end
	end
	if docText then
		docText = '\n' .. docText .. '\n'
	end
	
	local action = 'edit'
	local preload = ''
	local colour = 'EAF4F9'
	local message
	local category
	if noDoc then
		action = 'create'
		preload = '&preload=Template:Documentation/preload'
		colour = 'F9EAEA'
		message = "'''This " .. pageType .. " has no documentation. " ..
			"If you know how to use this " .. pageType .. ", please create it.'''"
		if not ( args.nocat or namespace == 'User' ) then
			category = pageType .. 's with no documentation'
			if not mw.title.new( 'Category:' .. category ).exists then
				category = 'Pages with no documentation'
			end
		end
	elseif badDoc then
		colour = 'F9F2EA'
		message = "'''This " .. pageType .. "'s documentation needs improving or additional information.'''\n"
		if not ( args.nocat or namespace == 'User' ) then
			category = pageType .. 's with bad documentation'
			if not mw.title.new( 'Category:' .. category ).exists then
				category = 'Pages with bad documentation'
			end
		end
	end
	
	local links = {
		'[' .. docPage:fullUrl( 'action=edit' .. preload ) .. ' ' .. action .. ']',
		'[' .. docPage:fullUrl( 'action=history' ) .. ' history]',
		'[' .. page:fullUrl( 'action=purge' ) .. ' purge]'
	}
	if not noDoc and page ~= docPage then
		table.insert( links, 1, '[[' .. docPage.fullText .. '|view]]' )
	end
	links = mw.html.create( 'span' )
		:css( 'float', 'right' )
		:wikitext( mw.text.nowiki( '[' ), table.concat( links, ' | ' ), mw.text.nowiki( ']' ) )
	
	local body = mw.html.create( 'div' ):addClass( 'documentation' )
	body:css{
		['background-color'] = '#' .. colour,
		border = '1px solid #AAA',
		padding = '0.8em 1em 0.7em',
		['margin-top'] = '1em',
		clear = 'both'
	}
	
	local header = mw.html.create( 'div' )
		:css{
			margin = '-0.8em -1em 0.8em',
			padding = '0.8em 1em 0.7em',
			['background-color'] = '#EAF4F9',
			['border-bottom'] = 'inherit'
		}
	
	header
		:node( links )
		:tag( 'span' )
			:css{
				['font-weight'] = 'bold',
				['font-size'] = '130%',
				['margin-right'] = '1em',
				['line-height'] = '1'
			}
			:wikitext( 'Documentation' )
	
	if not noDoc and pageType ~= 'template' and pageType ~= 'message' then
		header
			:tag( 'span' )
				:css( 'white-space', 'nowrap' )
				:wikitext( '[[#the-code|Jump to code ↴]]' )
	end
	
	body
		:node( header ):done()
		:wikitext( message )
		:wikitext( docText )
	
	if not noDoc and page ~= docPage then
		body
			:tag( 'div' )
				:css{
					margin = '0.7em -1em -0.7em',
					['background-color'] = '#EAF4F9',
					['border-top'] = 'inherit',
					padding = '0.8em 1em 0.7em',
					clear = 'both'
				}
				:node( links )
				:wikitext( 'The above documentation is transcluded from [[', docPage.fullText, ']].' )
	end
	
	if category then
		body:wikitext( f:expandTemplate{ title = 'Translation category', args = { category, project = '0' } } )
	end
	
	local anchor = ''
	if not noDoc and pageType ~= 'template' and pageType ~= 'message' then
		anchor = mw.html.create( 'div' ):attr( 'id', 'the-code' )
	end
	
	return tostring( body ) .. tostring( anchor )
end

return p