Module:Documentation

-- This module implements.

-- Configuration

-- Here you can set the values of the parameters and messages used in this module, so that it -- can be easily ported to other wikis.

local cfg = {}

-- Argument names -- The following are all names of arguments that affect the behaviour of. -- The comments next to the configuration values are the effects that the argument has -- on the module. (Not the effects of the argument names themselves.)

cfg.livepageArg = 'livepage' -- Name of the live template; used in. cfg.headingArg = 'heading' -- Custom heading used in the start box. cfg.preloadArg = 'preload' -- Custom preload page for creating documentation. cfg.headingStyleArg = 'heading-style' -- Custom CSS style for the start box heading. cfg.contentArg = 'content' -- Passes documentation content directly from the invocation. cfg.linkBoxArg = 'link box' -- Specifies a custom link box (end box) or prevents it from being generated.

-- Argument values -- The following are argument values that are checked by the module.

cfg.linkBoxOff = 'off' -- The value to send to cfg.linkBoxArg to turn the link box off.

-- Software settings -- The following are software settings that may change from wiki to wiki. For example, the classes -- defined in commons.css or the names of templates.

cfg.docSubpage = 'doc' -- The name of the subpage typically used for documentation pages. cfg.sandboxSubpage = 'sandbox' -- The name of the template subpage typically used for sandboxes. cfg.testcasesSubpage = 'testcases' -- The name of the template subpage typically used for test cases. cfg.mainDivId = 'template-documentation' -- The "id" attribute of the main HTML "div" tag. cfg.mainDivClasses = 'template-documentation iezoomfix' -- The CSS classes added to the main HTML "div" tag. cfg.sandboxNoticeTemplate = 'template sandbox notice' -- The name of the template to display at the top of sandbox pages. cfg.sandboxNoticeLivepageParam = 1 -- The parameter of the sandbox notice template to send the cfg.livepageArg to. cfg.protectionTemplate = 'pp-template' -- The name of the template that displays the protection icon (a padlock on enwiki). cfg.protectionTemplateArgs = {docusage = 'yes'} -- Any arguments to send to the protection template. cfg.startBoxLinkclasses = 'mw-editsection plainlinks' -- The CSS classes used for the [view][edit][history] or [create] links in the start box. cfg.startBoxLinkId = 'doc_editlinks' -- The HTML "id" attribute for the links in the start box. cfg.fileDocpagePreload = 'Template:Documentation/preload-filespace' -- A preload file for documentation page in the file namespace. cfg.docpagePreload = 'Template:Documentation/preload-filespace' -- A preload file for template documentation pages in all namespaces. cfg.modulePreload = 'Template:Documentation/preload-module-doc' -- A preload file for Lua module documentation pages.

-- Settings for the template.

cfg.fmboxIdParam = 'id' -- The name of the "id" parameter of. cfg.fmboxId = 'documentation-meta-data' -- The id sent to the "id" parameter of the template. cfg.fmboxImageParam = 'image' -- The name of the "image" parameter of. cfg.fmboxImageNone = 'none' -- The value to suppress image output from the "image" parameter of. cfg.fmboxStyleParam = 'style' -- The name of the "style" parameter of. cfg.fmboxStyle = 'background-color: #ecfcf4' -- The value sent to the style parameter of. cfg.fmboxTextstyleParam = 'textstyle' -- The name of the "textstyle" parameter of. cfg.fmboxTextstyle = 'font-style: italic;' -- The value send to the "textstyle parameter of.

-- Display settings -- The following settings configure the values displayed by the module.

-- Text displayed in wikilinks. cfg.viewLinkDisplay = 'view' -- The text to display for "view" links. cfg.editLinkDisplay = 'edit' -- The text to display for "edit" links. cfg.historyLinkDisplay = 'history' -- The text to display for "history" links. cfg.purgeLinkDisplay = 'purge' -- The text to display for "purge" links. cfg.createLinkDisplay = 'create' -- The text to display for "create" links. cfg.sandboxLinkDisplay = 'sandbox' -- The text to display for "sandbox" links. cfg.sandboxEditLinkDisplay = 'edit' -- The text to display for sandbox "edit" links. cfg.sandboxCreateLinkDisplay = 'create' -- The text to display for sandbox "create" links. cfg.compareLinkDisplay = 'diff' -- The text to display for "compare" links. cfg.mirrorLinkDisplay = 'mirror' -- The text to display for "mirror" links. cfg.testcasesLinkDisplay = 'testcases' -- The text to display for "testcases" links. cfg.testcasesEditLinkDisplay = 'edit' -- The text to display for test cases "edit" links. cfg.testcasesCreateLinkDisplay = 'create' -- The text to display for test cases "create" links.

-- Sentences used in the end box. cfg.transcludedFrom = 'The above documentation is transcluded from $1.' -- Notice displayed when the docs are transcluded from another page. $1 is a wikilink to that page. cfg.createModuleDoc = 'You might want to $1 a documentation page for this Scribunto module.' -- Notice displayed in the module namespace when the documentation subpage does not exist. $1 is a link to create the documentation page with the preload cfg.modulePreload and the display cfg.createLinkDisplay.

-- Other display settings cfg.documentationIconWikitext = '' -- The wikitext for the icon shown at the top of the template. cfg.templateNamespaceHeading = 'Template documentation' -- The heading shown in the template namespace. cfg.moduleNamespaceHeading = 'Module documentation' -- The heading shown in the module namespace. cfg.fileNamespaceHeading = 'Summary' -- The heading shown in the file namespace. cfg.otherNamespacesHeading = 'Documentation' -- The heading shown in other namespaces.

-- End configuration

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

local p = {}

-- Constants. local currentTitle = mw.title.getCurrentTitle local subjectSpace = mw.site.namespaces[currentTitle.namespace].subject.id -- The number of the current subject namespace.

-- Often-used functions local gsub = mw.ustring.gsub local checkType = libraryUtil.checkType

-- Helper functions

local function formatMessage(msg, valArray) --	-- Formats a message, usually from the cfg table.	-- Values from valArray can be specified in the message by using $1 for [1], $2 for [2], etc.	-- So formatMessage('Foo $2 bar $1.', {'baz', 'qux'}) will return "Foo qux bar baz."	-- checkType('formatMessage', 1, msg, 'string') checkType('formatMessage', 2, valArray, 'table')

local function getMessageVal(match) match = tonumber(match) return valArray[match] or error('formatMessage: No value found for key $' .. match, 2) end

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

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

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

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 '(' .. table.concat(ret, ' &#124; ') .. ') ' end

-- Argument processing

local function makeInvokeFunc(funcName) return function (frame) local headingArg = cfg.headingArg 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 functions

p.main = makeInvokeFunc('_main')

function p._main(args) local root = htmlBuilder.create root .wikitext(p.protectionTemplate) .wikitext(p.sandboxNotice(args)) -- This div tag is from, but moving it here -- so that we don't have to worry about unclosed tags. .tag('div') .attr('id', cfg.mainDivId) .addClass(cfg.mainDivClasses) .wikitext(p._startBox(args)) .wikitext(p._content(args)) .tag('div') .css('clear', 'both') -- So right or left floating items don't stick out of the doc box. .done .done .wikitext(p._endBox(args)) .wikitext(p.addTrackingCategories) return tostring(root) end

function p.sandboxNotice(args) local sandboxNoticeTemplate = cfg.sandboxNoticeTemplate if not (sandboxNoticeTemplate and currentTitle.subpageText == cfg.sandboxSubpage) 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 = {[cfg.sandboxNoticeLivepageParam] = args[cfg.livepageArg]}}) return tostring(notice) end

function p.protectionTemplate local protectionTemplate = cfg.protectionTemplate if not (protectionTemplate and currentTitle.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) -- Gets the protection level for the current page. local level = frame:callParserFunction('PROTECTIONLEVEL', protectionType) if level ~= '' then return level else return nil -- The parser function returns the blank string if there is no match. end end if getProtectionLevel('move') == 'sysop' or getProtectionLevel('edit') then -- The page is full-move protected, or full, template, or semi-protected. return frame:expandTemplate{title = protectionTemplate, args = cfg.protectionTemplateArgs} end return nil end

p.startBox = makeInvokeFunc('_startBox')

function p._startBox(args) -- Arg processing from. local preload = args[cfg.preloadArg] -- Allow custom preloads. local heading = args[cfg.headingArg] -- Blank values are not removed. local headingStyle = args[cfg.headingStyleArg] local content = args[cfg.contentArg] local docspace = p.docspace local docname = args[1] -- Other docname, if fed. local templatePage = p.templatePage

-- Arg processing from. local docpage if docname then docpage = docname else local namespace = docspace or currentTitle.nsText local pagename = templatePage or currentTitle.text docpage = namespace .. ':' .. pagename .. '/' .. cfg.docSubpage end local docTitle = mw.title.new(docpage) local docExist = docTitle.exists -- Output from.

-- First, check the heading parameter. if heading == '' then -- Heading is defined but blank, so do nothing. return nil end

-- Build the start box div. local sbox = htmlBuilder.create('div') sbox .css('padding-bottom', '3px') .css('border-bottom', '1px solid #aaa') .css('margin-bottom', '1ex')

-- Make the heading. local hspan = sbox.tag('span') if headingStyle then hspan.cssText(headingStyle) elseif subjectSpace == 10 then -- We are in the template or template talk namespaces. hspan .css('font-weight', 'bold') .css('fond-size', '125%') else hspan.css('font-size', '150%') end if heading then -- "heading" has data. hspan.wikitext(heading) elseif subjectSpace == 10 then -- Template namespace hspan.wikitext(cfg.documentationIconWikitext .. ' ' .. cfg.templateNamespaceHeading) elseif subjectSpace == 828 then -- Module namespace hspan.wikitext(cfg.documentationIconWikitext .. ' ' .. cfg.moduleNamespaceHeading) elseif subjectSpace == 6 then -- File namespace hspan.wikitext(cfg.fileNamespaceHeading) else hspan.wikitext(cfg.otherNamespaceHeading) end

-- Add the [view][edit][history][purge] or [create] links. -- Check for the content parameter first, as we don't need the links if the documentation -- content is being entered directly onto the template page. if not content then local lspan = sbox.tag('span') -- lspan is short for "link span". lspan .addClass(cfg.startBoxLinkclasses) .attr('id', cfg.startBoxLinkId) if docExist then local viewLink = makeWikilink(docpage, cfg.viewLinkDisplay) local editLink = makeUrlLink(docTitle:fullUrl{action = 'edit'}, cfg.editLinkDisplay) local historyLink = makeUrlLink(docTitle:fullUrl{action = 'history'}, cfg.historyLinkDisplay) local purgeLink = makeUrlLink(currentTitle:fullUrl{action = 'purge'}, cfg.purgeLinkDisplay) local text = '[%s] [%s] [%s] [%s]' text = text:gsub('%[', '&#91;') -- Replace square brackets with HTML entities. text = text:gsub('%]', '&#93;') lspan.wikitext(mw.ustring.format(text, viewLink, editLink, historyLink, purgeLink)) else if not preload then if subjectSpace == 6 then -- File namespace preload = cfg.fileDocpagePreload else preload = cfg.docpagePreload end end lspan.wikitext(makeUrlLink(docTitle:fullUrl{action = 'edit', preload = preload}, cfg.createLinkDisplay)) end end

return tostring(sbox) end

p.content = makeInvokeFunc('_content')

function p._content(args) local content = args[cfg.contentArg] if not content then local docpage = args[1] if docpage and mw.title.new(docpage).exists then local frame = mw.getCurrentFrame content = frame:preprocess('') else docpage = p.docspace .. ':' .. p.templatePage .. '/' .. cfg.docSubpage if mw.title.new(docpage).exists then local frame = mw.getCurrentFrame content = frame:preprocess('') 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

p.endBox = makeInvokeFunc('_endBox')

function p._endBox(args) -- Argument processing in. local content = args[cfg.contentArg] local linkBox = args[cfg.linkBoxArg] -- So "link box=off" works. local docspace = p.docspace local docname = args[1] -- Other docname, if fed. local templatePage = p.templatePage

-- Argument processing in. local docpageRoot = (docspace or currentTitle.nsText) .. ':' .. (templatePage or currentTitle.text) local docpage if docname then docpage = docname else docpage = docpageRoot .. '/' .. cfg.docSubpage end local docTitle = mw.title.new(docpage) local docExist = docTitle.exists local docnameFed = args[1] and true local sandbox = docpageRoot .. '/' .. cfg.sandboxSubpage local testcases = docpageRoot .. '/' .. cfg.testcasesSubpage templatePage = currentTitle.nsText .. ':' .. templatePage

-- Output from -- 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 == cfg.linkBoxOff or not (docExist or subjectSpace == 2 or subjectSpace == 828 or subjectSpace == 10) then return nil end

-- Assemble the arguments for. local fmargs = {} fmargs[cfg.fmboxIdParam] = cfg.fmboxId -- Sets fmargs.id = 'documentation-meta-data' fmargs[cfg.fmboxImageParam] = cfg.fmboxImageNone -- Sets fmargs.image = 'none' fmargs[cfg.fmboxStyleParam] = cfg.fmboxStyle -- Sets fmargs.style = 'background-color: #ecfcf4' fmargs[cfg.fmboxTextstyleParam] = cfg.fmboxTextstyle -- 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 if docExist then -- /doc exists; link to it. local docLink = makeWikilink(docpage) local editLink = makeUrlLink(docTitle:fullUrl{action = 'edit'}, cfg.editLinkDisplay) local historyLink = makeUrlLink(docTitle:fullUrl{action = 'history'}, cfg.historyLinkDisplay) text = text .. formatMessage(cfg.transcludedFrom, {docLink}) .. ' ' .. makeToolbar(editLink, historyLink) .. ' '		elseif subjectSpace == 828 then -- /doc does not exist; ask to create it. local createLink = makeUrlLink(docTitle:fullUrl{action = 'edit', preload = cfg.modulePreload}, cfg.createLinkDisplay) text = text .. formatMessage(cfg.createModuleDoc, {createLink}) .. ' '		end -- 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. local pagePossessive = subjectSpace == 828 and "module's" or "template's" text = text .. 'Editors can experiment in this ' .. pagePossessive .. ' '			local sandboxTitle = mw.title.new(sandbox) if sandboxTitle.exists then local sandboxLink = makeWikilink(sandbox, cfg.sandboxLinkDisplay) local sandboxEditLink = makeUrlLink(sandboxTitle:fullUrl{action = 'edit'}, cfg.sandboxEditLinkDisplay) local compareLink = makeUrlLink(mw.title.new('Special:ComparePages'):fullUrl{page1 = templatePage, page2 = sandbox}, cfg.compareLinkDisplay) text = text .. sandboxLink .. ' ' .. makeToolbar(sandboxEditLink, compareLink) else local sandboxPreload = 'Template:Documentation/preload-' .. (subjectSpace == 828 and 'module-' or '') .. 'sandbox' local sandboxCreateLink = makeUrlLink(sandboxTitle:fullUrl{action = 'edit', preload = sandboxPreload}, cfg.sandboxCreateLinkDisplay) local mirrorSummary = 'Create sandbox version of ' .. makeWikilink(templatePage) local mirrorLink = makeUrlLink(sandboxTitle:fullUrl{action = 'edit', preload = templatePage, summary = mirrorSummary}, cfg.mirrorLinkDisplay) text = text .. cfg.sandboxLinkDisplay .. ' ' .. makeToolbar(sandboxCreateLink, mirrorLink) end text = text .. ' and ' local testcaseTitle = mw.title.new(testcases) if testcaseTitle.exists then local testcasesLink = makeWikilink(testcases, cfg.testcasesLinkDisplay) local testcasesEditLink = makeUrlLink(testcaseTitle:fullUrl{action = 'edit'}, cfg.testcasesEditLinkDisplay) text = text .. testcasesLink .. ' ' .. makeToolbar(testcasesEditLink) else local testcasesPreload = 'Template:Documentation/preload-' .. (subjectSpace == 828 and 'module-' or '') .. 'testcases' local testcasesCreateLink = makeUrlLink(testcaseTitle:fullUrl{action = 'edit', preload = testcasesPreload}, cfg.testcasesCreateLinkDisplay) text = text .. cfg.testcasesLinkDisplay .. ' ' .. makeToolbar(testcasesCreateLink) end text = text .. ' pages. '			-- 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 text = text .. 'Please add categories to the ' .. makeWikilink(docpage, '/' .. cfg.docSubpage) .. ' subpage.' end -- Show the "subpages" link. if subjectSpace ~= 6 then -- Don't show the link in file space. local pagetype if subjectSpace == 10 then pagetype = 'template' elseif subjectSpace == 828 then pagetype = 'module' else pagetype = 'page' end text = text .. ' ' .. makeWikilink('Special:PrefixIndex/' .. templatePage .. '/', 'Subpages of this ' .. pagetype) end -- Show the "print" link if it exists. local printPage = templatePage .. '/Print' local printTitle = mw.title.new(printPage) if printTitle.exists then text = text .. ' A print version of this template exists at ' .. makeWikilink(printPage, '/Print') .. '. If you make a change to this template, please update the print version as well.' .. ''			end end end fmargs.text = text

-- Return the fmbox output. return messageBox.main('fmbox', fmargs) end

function p.addTrackingCategories -- Check if is transcluded on a /doc or /testcases page. local ret = '' local subpage = currentTitle.subpageText if subpage == cfg.docSubpage or subpage == cfg.testcasesSubpage then local sort = (currentTitle.namespace == 0 and 'Main:' or '') .. currentTitle.prefixedText -- Sort on namespace. ret = ret .. makeWikilink('Category:Wikipedia pages with strange ((documentation)) usage', sort) end return ret end

function p.docspace -- Determines the namespace of the documentation. 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 currentTitle.subjectNsText end end

function p.templatePage -- Determines the template page. No namespace or interwiki prefixes are included. local subpage = currentTitle.subpageText if subpage == cfg.sandboxSubpage or subpage == cfg.testcasesSubpage then return currentTitle.baseText else return currentTitle.text end end

return p