Module:Documentation: Difference between revisions

    From Nonbinary Wiki
    m>Hlm Z.
    No edit summary
    m>Mr. Stradivarius
    (replace content with a port of English Wikipedia's Template:Documentation)
    Line 1: Line 1:
    --This module implements {{Documentation}}.
    -- This module implements {{documentation}}.
     
    -- Get required modules.
    local getArgs = require('Module:Arguments').getArgs
    local htmlBuilder = require('Module:HtmlBuilder')
    local messageBox = require('Module:Message box')
     
    local p = {}
    local p = {}
     
    function p.corps(frame)
    -- Constants.
        args = frame:getParent().args
    local currentTitle = mw.title.getCurrentTitle()
        local page = mw.title.getCurrentTitle()
    local subjectSpace = mw.site.namespaces[currentTitle.namespace].subject.id
        doc = p.docname(page)
     
        local corps = {}
    ----------------------------------------------------------------------------
    -- Helper functions
        if page.subpageText == 'sandbox' then
    ----------------------------------------------------------------------------
            table.insert(corps, '<div style="clear:both />')
     
            table.insert(corps, frame:preprocess('{{Template sandbox notice}}'))
    local function makeWikilink(page, display)
        end
    if display then
    return mw.ustring.format('[[%s|%s]]', page, display)
        table.insert(corps, p.header(page))
    else
        table.insert(corps, p.content(frame, page))
    return mw.ustring.format('[[%s]]', page)
        table.insert(corps, p.footer(page))
    end
        if args.raw then
            return frame:preprocess('<nowiki>' .. table.concat(corps) .. '</nowiki>\n:' .. os.clock())
        end
        return table.concat(corps)
    end
    end
     
    function p.docname(page)
    local function makeUrlLink(url, display)
        if not page.isSubpage then return page.subjectNsText .. ":" .. page.text .. "/doc" end
    return mw.ustring.format('[%s %s]', url, display)
        if page.subpageText == 'doc'
        or page.subpageText == 'sandbox'
        or page.subpageText == 'testcases' then
            return page.subjectNsText .. ":" .. page.baseText .. "/doc"
        else
            return page.subjectNsText .. ":" .. page.text .. "/doc"
        end
    end
    end
     
    function p.ifexist(page)
    ----------------------------------------------------------------------------
        if not page then return false end
    -- Main functions
        if mw.title.new(page).exists then return true end
    ----------------------------------------------------------------------------
        return false
     
    function p.main(frame)
    local args = getArgs(frame, {
    valueFunc = function (key, value)
    if type(value) == 'string' then
    value = value:match('^%s*(.-)%s*$') -- Remove whitespace.
    if key == 'heading' or value ~= '' then
    return value
    else
    return nil
    end
    else
    return value
    end
    end
    })
    return p._main(args)
    end
    end
     
    function p.header(page)
    function p._main(args)
        local header = {'<div class="template-documentation"'}
    local root = htmlBuilder.create()
    root
        if args.color then
    .wikitext(p.protectionTemplate())
            table.insert(header, ' style="background:')
    .wikitext(p.sandboxNotice(args))
            table.insert(header, args.color .. '"')
    -- This div tag is from {{documentation/start box}}, but moving it here so that we don't have to worry about unclosed tags.
        end
    .tag('div')
    .attr('id', 'template-documentation')
        table.insert(header, '><div style="margin-bottom:1ex; border-bottom:1px solid #aaa; padding-bottom:3px;">')
    .addClass('template-documentation iezoomfix')
        table.insert(header, '[[File:Template-info.png|50px|alt=Template documentation|link=]]')
    .wikitext(p.startBox(args))
        table.insert(header, '<span style="font-weight:bold; font-size:125%">&nbsp;')
    .wikitext(p.content(args))
    .tag('div')
        if args.heading then table.insert(header, args.heading)
    .css('clear', 'both') -- So right or left floating items don't stick out of the doc box.
        else table.insert(header, 'Template documentation') end
    .done()
        table.insert(header, '</span>')
    .done()
    .wikitext(p.endBox(args))
        if not args.content then
    .wikitext(p.addTrackingCategories())
            table.insert(header, '<span class="mw-editsection plainlinks">&#91;[')
    return tostring(root)
            local arg = mw.title.new(args[1] or doc)
            if args[1] and p.ifexist(args[1]) or p.ifexist(doc) then
                table.insert(header, arg:fullUrl('action=view') .. ' view]')
                table.insert(header, '&#93;&#32;&#91;[')
                table.insert(header, arg:fullUrl('action=edit') .. ' edit]')
                table.insert(header, '&#93;&#32;&#91;[')
                table.insert(header, arg:fullUrl('action=history') .. ' history]')
                table.insert(header, '&#93;&#32;&#91;[')
                table.insert(header, page:fullUrl('action=purge') .. ' purge]')
            else
                table.insert(header, arg:fullUrl({["action"]="edit", ["preload"]="Template:Documentation/preload"}))
                table.insert(header, ' create]')
            end
            table.insert(header, '&#93;</span>')
        end
        table.insert(header, '</div>')
        return table.concat(header)
    end
    end
     
    function p.content(frame, page)
    function p.sandboxNotice(args)
        local content = {}
    if currentTitle.subpageText == 'sandbox' then
        local arg = args[1] or doc
    local frame = mw.getCurrentFrame()
        if args.content then
    local root = htmlBuilder.create()
            table.insert(content, '\n')
    root
            table.insert(content, args.content)
    .tag('div')
        else
    .css('clear', 'both')
            table.insert(content, frame:preprocess('<nowiki />'))
    .done()
            table.insert(content, '\n')
    .wikitext(frame:expandTemplate{title = 'template sandbox notice', args = {args.livepage}})
            if args[1] and p.ifexist(args[1]) or p.ifexist(doc) then
    return tostring(root)
                table.insert(content, frame:preprocess('{{' .. arg .. '}}'))
    else
            end
    return nil
        end
    end
        table.insert(content, '\n')
        table.insert(content, frame:preprocess('<nowiki />'))
        table.insert(content, '<div style="clear:both" />\n')
        return table.concat(content)
    end
    end
     
    function p.footer(page)
    function p.protectionTemplate()
        local footer = {}
    if currentTitle.namespace == 10 then -- We are in the template namespace.
        local arg = mw.title.new(args[1] or doc)
    local frame = mw.getCurrentFrame()
     
        table.insert(footer, '</div><div class="template-documentation plainlinks" ')
    local function getProtectionLevel(protectionType)
        table.insert(footer, 'style="font-style:italic; margin:2px 0px 0px; padding: 0.35em 0.9em')
    -- Gets the protection level for the current page.
    local level = frame:callParserFunction('PROTECTIONLEVEL', protectionType)
        if args.color then
    if level ~= '' then
            table.insert(footer, '; background:')
    return level
            table.insert(footer, args.color)
    else
        end
    return nil -- The parser function returns the blank string if there is no match.
        table.insert(footer, ';">\n')
    end
    end
        if args.content then
     
            if args["link box"] then
    if getProtectionLevel('move') == 'sysop' or getProtectionLevel('edit') then
                table.insert(footer, args["link box"])
    -- The page is full-move protected, or full, template, or semi-protected.
            else
    return frame:expandTemplate{title = 'pp-template', args = {docusage = 'yes'}}
                table.insert(footer, 'This documentation is directly included in this page.')
    end
            end
    end
        else
    return nil
            if args[1] and p.ifexist(args[1]) or p.ifexist(doc) then
                table.insert(footer, 'The above [[Wikipedia:Template documentation|documentation]] is ')
                table.insert(footer, '[[Wikipedia:Transclusion|transcluded]] from [[')
                table.insert(footer, tostring(arg))  
                table.insert(footer, ']]&nbsp;<span style="font-size:89%; font-style:normal;">([')
                table.insert(footer, arg:fullUrl('action=edit'))
                table.insert(footer, ' edit]&nbsp;|&nbsp;[')
                table.insert(footer, arg:fullUrl('action=history') .. ' history])</span>.<br />')
            end
            table.insert(footer, 'Editors can experiment in this templates ')
            local sandbox = arg.subjectNsText .. ":" .. arg.baseText .. "/sandbox"
            local argsandbox = mw.title.new(sandbox)
            if p.ifexist(sandbox) then
                table.insert(footer, '[[' .. sandbox .. '|sandbox]]')
                table.insert(footer, '&nbsp;<span style="font-size:89%; font-style:normal;">([')
                table.insert(footer, argsandbox:fullUrl('action=edit'))
                table.insert(footer, ' edit])</span>')
            else
                table.insert(footer, 'sandbox&nbsp;<span style="font-size:89%; font-style:normal;">([')
                table.insert(footer, argsandbox:fullUrl({["action"]="edit", ["preload"]="Template:Documentation/preload-sandbox"}))
                table.insert(footer, ' create])</span>')
            end
            table.insert(footer, ' and ')
            local test = arg.subjectNsText .. ":" .. arg.baseText .. "/testcases"
            local argtest = mw.title.new(test)
            if p.ifexist(test) then
                table.insert(footer, '[[' .. test .. '|testcases]]')
                table.insert(footer, '&nbsp;<span style="font-size:89%; font-style:normal;">([')
                table.insert(footer, argtest:fullUrl('action=edit'))
                table.insert(footer, ' edit])</span>')
            else
                table.insert(footer, 'testcases&nbsp;<span style="font-size:89%; font-style:normal;">([')
                table.insert(footer, argtest:fullUrl({["action"]="edit", ["preload"]="Template:Documentation/preload-testcases"}))
                table.insert(footer, ' create])</span>')
            end
            table.insert(footer, ' pages.<br />Please add categories to the ')
            table.insert(footer, '<span class="plainlinks">[')
            if args[1] and p.ifexist(args[1]) or p.ifexist(doc) then
                table.insert(footer, arg:fullUrl('action=edit'))
            else
                table.insert(footer, arg:fullUrl({["action"]="edit", ["preload"]="Template:Documentation/preload"}))
            end
            table.insert(footer, ' /doc] subpage.')
        end
        table.insert(footer, '</div>')
        return table.concat(footer)
    end
    end
     
    function p.startBox(args)
    -- Arg processing from {{documentation}}.
    local preload = args.preload -- Allow custom preloads.
    local heading = args.heading -- Blank values are not removed.
    local headingStyle = args['heading-style']
    local content = args.content
    local docspace = p.docspace()
    local docname = args[1] -- Other docname, if fed.
    local templatePage = p.templatePage()
     
    -- Arg processing from {{documentation/start box2}}.
    local docpage
    if docname then
    docpage = docname
    else
    local namespace = docspace or currentTitle.nsText
    local pagename = templatePage or currentTitle.text
    docpage = namespace .. ':' .. pagename .. '/doc'
    end
    local docTitle = mw.title.new(docpage)
    local docExist = docTitle.exists
    -- Output from {{documentation/start box}}.
     
    -- 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('[[File:Template-info.png|50px|link=|alt=Documentation icon]] Template documentation')
    elseif subjectSpace == 828 then -- Module namespace
    hspan.wikitext('[[File:Template-info.png|50px|link=|alt=Documentation icon]] Module documentation')
    elseif subjectSpace == 6 then -- File namespace
    hspan.wikitext('Summary')
    else
    hspan.wikitext('Documentation')
    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('mw-editsection plainlinks')
    .attr('id', 'doc_editlinks')
    if docExist then
    local viewLink = makeWikilink(docpage, 'view')
    local editLink = makeUrlLink(docTitle:fullUrl{action = 'edit'}, 'edit')
    local historyLink = makeUrlLink(docTitle:fullUrl{action = 'history'}, 'history')
    local purgeLink = makeUrlLink(docTitle:fullUrl{action = 'purge'}, 'purge')
    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 preload then
    preload = mw.uri.encode(preload)
    elseif subjectSpace == 6 then -- File namespace
    preload = 'Template:Documentation/preload-filespace'
    else
    preload = 'Template:Documentation/preload'
    end
    lspan.wikitext(makeUrlLink(docTitle:fullUrl{action = 'edit', preload = preload}, 'create'))
    end
    end
     
    return tostring(sbox)
    end
     
    function p.content(args)
    local content = args.content
    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 = p.docspace() .. ':' .. p.templatePage() .. '/doc'
    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
     
    function p.endBox(args)
    -- Argument processing in {{documentation}}.
    local preload = args.preload -- Allow custom preloads.
    local content = args.content
    local linkBox = args['link box'] -- So "link box=off" works.
    local docspace = p.docspace()
    local docname = args[1] -- Other docname, if fed.
    local templatePage = p.templatePage()
     
    -- Argument processing in {{documentation/end box2}}.
    local docpageRoot = (docspace or currentTitle.nsText) .. ':' .. (templatePage or currentTitle.text)
    local docpage
    if docname then
    docpage = docname
    else
    docpage = docpageRoot .. '/doc'
    end
    local docTitle = mw.title.new(docpage)
    local docExist = docTitle.exists
    local docnameFed = args[1] and true
    local sandbox = docpageRoot .. '/sandbox'
    local testcases = docpageRoot .. '/testcases'
    templatePage = currentTitle.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 == 'off' or not (docExist or subjectSpace == 2 or subjectSpace == 828 or subjectSpace == 10) then
    return nil
    end
     
    -- Assemble the arguments for {{fmbox}}.
    local fmargs = {}
    fmargs.id = 'documentation-meta-data'
    fmargs.image = 'none'
    fmargs.style = 'background-color: #ecfcf4'
    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'}, 'edit')
    local historyLink = makeUrlLink(docTitle:fullUrl{action = 'history'}, 'history')
    text = text .. 'The above [[Wikipedia:Template documentation|documentation]] is [[Wikipedia:Transclusion|transcluded]] from ' .. docLink .. '.'
    .. ' <small style="font-style: normal;">(' .. editLink .. ' &#124; ' .. historyLink .. ')</small> <br />'
    elseif subjectSpace == 828 then
    -- /doc does not exist; ask to create it.
    local createLink = makeUrlLink(docTitle:fullUrl{action = 'edit', preload = 'Template:Documentation/preload-module-doc'}, 'create')
    text = text .. 'You might want to ' .. createLink .. ' a documentation page for this [[Wikipedia:Lua|Scribunto module]].<br />'
    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, 'sandbox')
    local sandboxEditLink = makeUrlLink(sandboxTitle:fullUrl{action = 'edit'}, 'edit')
    local compareLink = makeUrlLink(mw.title.new('Special:ComparePages'):fullUrl{page1 = mw.uri.encode(templatePage), page2 = mw.uri.encode(sandbox)}, 'diff')
    text = text .. sandboxLink .. ' <small style="font-style: normal">(' .. sandboxEditLink .. ' | ' .. compareLink .. ')</small>'
    else
    local sandboxPreload = 'Template:Documentation/preload-' .. (subjectSpace == 828 and 'module-' or '') .. 'sandbox'
    local sandboxCreateLink = makeUrlLink(sandboxTitle:fullUrl{action = 'edit', preload = sandboxPreload}, 'create')
    local mirrorPreload = mw.uri.encode(templatePage)
    local mirrorSummary = mw.uri.encode('Create sandbox version of ' .. makeWikilink(templatePage))
    local mirrorLink = makeUrlLink(sandboxTitle:fullUrl{action = 'edit', preload = mirrorPreload, summary = mirrorSummary}, 'mirror')
    text = text .. 'sandbox <small style="font-style: normal">(' .. sandboxCreateLink .. ' | ' .. mirrorLink .. ')</small>'
    end
    text = text .. ' and '
    local testcaseTitle = mw.title.new(testcases)
    if testcaseTitle.exists then
    local testcasesLink = makeWikilink(testcases, 'testcases')
    local testcasesEditLink = makeUrlLink(testcaseTitle:fullUrl{action = 'edit'}, 'edit')
    text = text .. testcasesLink .. ' <small style="font-style: normal">(' .. testcasesEditLink .. ')</small>'
    else
    local testcasesPreload = 'Template:Documentation/preload-' .. (subjectSpace == 828 and 'module-' or '') .. 'testcases'
    local testcasesCreateLink = makeUrlLink(testcaseTitle:fullUrl{action = 'edit', preload = testcasesPreload}, 'create')
    text = text .. 'testcases <small style="font-style: normal">(' .. testcasesCreateLink .. ')</small>'
    end
    text = text .. ' pages. <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
    text = text .. 'Please add categories to the ' .. makeWikilink(docpage, '/doc') .. ' subpage.'
    end
    -- Show the "subpages" link.
    if subjectSpace == 828 then -- Module space.
    text = text .. ' ' .. makeWikilink('Special:PrefixIndex/' .. templatePage .. '/', 'Subpages of this module')
    elseif subjectSpace == 10 then -- Template space.
    text = text .. ' ' .. makeWikilink('Special:PrefixIndex/' .. templatePage .. '/', 'Subpages of this template')
    elseif subjectSpace ~= 6 then -- Don't show the link in file space.
    text = text .. ' ' .. makeWikilink('Special:PrefixIndex/' .. templatePage .. '/', 'Subpages of this page')
    end
    -- Show the "print" link if it exists.
    local printPage = templatePage .. '/Print'
    local printTitle = mw.title.new(printPage)
    if printTitle.exists then
    text = text .. '<br />A [[Help:Books/for experts#Improving the book layout|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.[[Category:Templates with print versions]]'
    end
    end
    end
    fmargs.text = text
     
    -- Return the fmbox output.
    return messageBox.main('fmbox', fmargs)
    end
     
    function p.addTrackingCategories()
    -- Check if {{documentation}} is transcluded on a /doc or /testcases page.
    local ret = ''
    local subpage = currentTitle.subpageText
    if subpage == 'doc' or subpage == 'testcases' 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 == 'sandbox' or subpage == 'testcases' then
    return currentTitle.baseText
    else
    return currentTitle.text
    end
    end
     
    return p
    return p

    Revision as of 03:54, 28 December 2013

    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')
    
    local p = {}
    
    -- Constants.
    local currentTitle = mw.title.getCurrentTitle()
    local subjectSpace = mw.site.namespaces[currentTitle.namespace].subject.id
    
    ----------------------------------------------------------------------------
    -- Helper functions
    ----------------------------------------------------------------------------
    
    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
    
    local function makeUrlLink(url, display)
    	return mw.ustring.format('[%s %s]', url, display)
    end
    
    ----------------------------------------------------------------------------
    -- Main functions
    ----------------------------------------------------------------------------
    
    function p.main(frame)
    	local args = getArgs(frame, {
    		valueFunc = function (key, value)
    			if type(value) == 'string' then
    				value = value:match('^%s*(.-)%s*$') -- Remove whitespace.
    				if key == 'heading' or value ~= '' then
    					return value
    				else
    					return nil
    				end
    			else
    				return value
    			end
    		end
    	})
    	return p._main(args)
    end
    
    function p._main(args)
    	local root = htmlBuilder.create()
    	root
    		.wikitext(p.protectionTemplate())
    		.wikitext(p.sandboxNotice(args))
    		 -- 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', 'template-documentation')
    			.addClass('template-documentation iezoomfix')
    			.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)
    	if currentTitle.subpageText == 'sandbox' then
    		local frame = mw.getCurrentFrame()
    		local root = htmlBuilder.create()
    		root
    			.tag('div')
    				.css('clear', 'both')
    				.done()
    			.wikitext(frame:expandTemplate{title = 'template sandbox notice', args = {args.livepage}})
    		return tostring(root)
    	else
    		return nil
    	end
    end
    
    function p.protectionTemplate()
    	if currentTitle.namespace == 10 then -- We are in the template namespace.
    		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 = 'pp-template', args = {docusage = 'yes'}}
    		end
    	end
    	return nil
    end
    
    function p.startBox(args)
    	-- Arg processing from {{documentation}}.
    	local preload = args.preload -- Allow custom preloads.
    	local heading = args.heading -- Blank values are not removed.
    	local headingStyle = args['heading-style']
    	local content = args.content
    	local docspace = p.docspace()
    	local docname = args[1] -- Other docname, if fed.
    	local templatePage = p.templatePage()
    
    	-- Arg processing from {{documentation/start box2}}.
    	local docpage
    	if docname then
    		docpage = docname
    	else
    		local namespace = docspace or currentTitle.nsText
    		local pagename = templatePage or currentTitle.text
    		docpage = namespace .. ':' .. pagename .. '/doc'
    	end
    	local docTitle = mw.title.new(docpage)
    	local docExist = docTitle.exists
    	
    	-- Output from {{documentation/start box}}.
    
    	-- 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('[[File:Template-info.png|50px|link=|alt=Documentation icon]] Template documentation')
    	elseif subjectSpace == 828 then -- Module namespace
    		hspan.wikitext('[[File:Template-info.png|50px|link=|alt=Documentation icon]] Module documentation')
    	elseif subjectSpace == 6 then -- File namespace
    		hspan.wikitext('Summary')
    	else
    		hspan.wikitext('Documentation')
    	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('mw-editsection plainlinks')
    			.attr('id', 'doc_editlinks')
    		if docExist then
    			local viewLink = makeWikilink(docpage, 'view')
    			local editLink = makeUrlLink(docTitle:fullUrl{action = 'edit'}, 'edit')
    			local historyLink = makeUrlLink(docTitle:fullUrl{action = 'history'}, 'history')
    			local purgeLink = makeUrlLink(docTitle:fullUrl{action = 'purge'}, 'purge')
    			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 preload then
    				preload = mw.uri.encode(preload)
    			elseif subjectSpace == 6 then -- File namespace
    				preload = 'Template:Documentation/preload-filespace'
    			else
    				preload = 'Template:Documentation/preload'
    			end
    			lspan.wikitext(makeUrlLink(docTitle:fullUrl{action = 'edit', preload = preload}, 'create'))
    		end
    	end
    
    	return tostring(sbox)
    end
    
    function p.content(args)
    	local content = args.content
    	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 = p.docspace() .. ':' .. p.templatePage() .. '/doc'
    			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
    
    function p.endBox(args)
    	-- Argument processing in {{documentation}}.
    	local preload = args.preload -- Allow custom preloads.
    	local content = args.content
    	local linkBox = args['link box'] -- So "link box=off" works.
    	local docspace = p.docspace()
    	local docname = args[1] -- Other docname, if fed.
    	local templatePage = p.templatePage()
    
    	-- Argument processing in {{documentation/end box2}}.
    	local docpageRoot = (docspace or currentTitle.nsText) .. ':' .. (templatePage or currentTitle.text)
    	local docpage
    	if docname then
    		docpage = docname
    	else
    		docpage = docpageRoot .. '/doc'
    	end
    	local docTitle = mw.title.new(docpage)
    	local docExist = docTitle.exists
    	local docnameFed = args[1] and true
    	local sandbox = docpageRoot .. '/sandbox'
    	local testcases = docpageRoot .. '/testcases'
    	templatePage = currentTitle.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 == 'off' or not (docExist or subjectSpace == 2 or subjectSpace == 828 or subjectSpace == 10) then
    		return nil
    	end
    
    	-- Assemble the arguments for {{fmbox}}.
    	local fmargs = {}
    	fmargs.id = 'documentation-meta-data'
    	fmargs.image = 'none'
    	fmargs.style = 'background-color: #ecfcf4'
    	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'}, 'edit')
    			local historyLink = makeUrlLink(docTitle:fullUrl{action = 'history'}, 'history')
    			text = text .. 'The above [[Wikipedia:Template documentation|documentation]] is [[Wikipedia:Transclusion|transcluded]] from ' .. docLink .. '.'
    				.. ' <small style="font-style: normal;">(' .. editLink .. ' &#124; ' .. historyLink .. ')</small> <br />'
    		elseif subjectSpace == 828 then
    			-- /doc does not exist; ask to create it.
    			local createLink = makeUrlLink(docTitle:fullUrl{action = 'edit', preload = 'Template:Documentation/preload-module-doc'}, 'create')
    			text = text .. 'You might want to ' .. createLink .. ' a documentation page for this [[Wikipedia:Lua|Scribunto module]].<br />'
    		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, 'sandbox')
    				local sandboxEditLink = makeUrlLink(sandboxTitle:fullUrl{action = 'edit'}, 'edit')
    				local compareLink = makeUrlLink(mw.title.new('Special:ComparePages'):fullUrl{page1 = mw.uri.encode(templatePage), page2 = mw.uri.encode(sandbox)}, 'diff')
    				text = text .. sandboxLink .. ' <small style="font-style: normal">(' .. sandboxEditLink .. ' | ' .. compareLink .. ')</small>'
    			else
    				local sandboxPreload = 'Template:Documentation/preload-' .. (subjectSpace == 828 and 'module-' or '') .. 'sandbox'
    				local sandboxCreateLink = makeUrlLink(sandboxTitle:fullUrl{action = 'edit', preload = sandboxPreload}, 'create')
    				local mirrorPreload = mw.uri.encode(templatePage)
    				local mirrorSummary = mw.uri.encode('Create sandbox version of ' .. makeWikilink(templatePage))
    				local mirrorLink = makeUrlLink(sandboxTitle:fullUrl{action = 'edit', preload = mirrorPreload, summary = mirrorSummary}, 'mirror')
    				text = text .. 'sandbox <small style="font-style: normal">(' .. sandboxCreateLink .. ' | ' .. mirrorLink .. ')</small>'
    			end
    			text = text .. ' and '
    			local testcaseTitle = mw.title.new(testcases)
    			if testcaseTitle.exists then
    				local testcasesLink = makeWikilink(testcases, 'testcases')
    				local testcasesEditLink = makeUrlLink(testcaseTitle:fullUrl{action = 'edit'}, 'edit')
    				text = text .. testcasesLink .. ' <small style="font-style: normal">(' .. testcasesEditLink .. ')</small>'
    			else
    				local testcasesPreload = 'Template:Documentation/preload-' .. (subjectSpace == 828 and 'module-' or '') .. 'testcases'
    				local testcasesCreateLink = makeUrlLink(testcaseTitle:fullUrl{action = 'edit', preload = testcasesPreload}, 'create')
    				text = text .. 'testcases <small style="font-style: normal">(' .. testcasesCreateLink .. ')</small>'
    			end
    			text = text .. ' pages. <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
    				text = text .. 'Please add categories to the ' .. makeWikilink(docpage, '/doc') .. ' subpage.'
    			end
    			-- Show the "subpages" link.
    			if subjectSpace == 828 then -- Module space.
    				text = text .. ' ' .. makeWikilink('Special:PrefixIndex/' .. templatePage .. '/', 'Subpages of this module')
    			elseif subjectSpace == 10 then -- Template space.
    				text = text .. ' ' .. makeWikilink('Special:PrefixIndex/' .. templatePage .. '/', 'Subpages of this template')
    			elseif subjectSpace ~= 6 then -- Don't show the link in file space.
    				text = text .. ' ' .. makeWikilink('Special:PrefixIndex/' .. templatePage .. '/', 'Subpages of this page')
    			end
    			-- Show the "print" link if it exists.
    			local printPage = templatePage .. '/Print'
    			local printTitle = mw.title.new(printPage)
    			if printTitle.exists then
    				text = text .. '<br />A [[Help:Books/for experts#Improving the book layout|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.[[Category:Templates with print versions]]'
    			end
    		end
    	end
    	fmargs.text = text
    
    	-- Return the fmbox output.
    	return messageBox.main('fmbox', fmargs)
    end
    
    function p.addTrackingCategories()
    	-- Check if {{documentation}} is transcluded on a /doc or /testcases page.
    	local ret = ''
    	local subpage = currentTitle.subpageText
    	if subpage == 'doc' or subpage == 'testcases' 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 == 'sandbox' or subpage == 'testcases' then
    		return currentTitle.baseText
    	else
    		return currentTitle.text
    	end
    end
    
    return p