Module:Infobox: Difference between revisions

    From Nonbinary Wiki
    m>Mr. Stradivarius
    (hack to parse the parameters in the 'correct' order)
    m (55 revisions imported from templatewiki:Module:Infobox)
     
    (42 intermediate revisions by 14 users not shown)
    Line 2: Line 2:
    -- This module implements {{Infobox}}
    -- This module implements {{Infobox}}
    --
    --
     
    local p = {}
    local p = {}
     
    local HtmlBuilder = require('Module:HtmlBuilder')
    local navbar = require('Module:Navbar')._navbar
     
    local args
    local args = {}
    local origArgs
    local root
    local root
       
     
    function union(t1, t2)
    local function notempty( s ) return s and s:match( '%S' ) end
         -- return the union of the values of two tables, as a sequence
     
    local function fixChildBoxes(sval, tt)
    if notempty(sval) then
    local marker = '<span class=special_infobox_marker>'
    local s = sval
    s = mw.ustring.gsub(s, '(<%s*[Tt][Rr])', marker .. '%1')
    s = mw.ustring.gsub(s, '(</[Tt][Rr]%s*>)', '%1' .. marker)
    if s:match(marker) then
    s = mw.ustring.gsub(s, marker .. '%s*' .. marker, '')
    s = mw.ustring.gsub(s, '([\r\n]|-[^\r\n]*[\r\n])%s*' .. marker, '%1')
    s = mw.ustring.gsub(s, marker .. '%s*([\r\n]|-)', '%1')
    s = mw.ustring.gsub(s, '(</[Cc][Aa][Pp][Tt][Ii][Oo][Nn]%s*>%s*)' .. marker, '%1')
    s = mw.ustring.gsub(s, '(<%s*[Tt][Aa][Bb][Ll][Ee][^<>]*>%s*)' .. marker, '%1')
    s = mw.ustring.gsub(s, '^(%{|[^\r\n]*[\r\n]%s*)' .. marker, '%1')
    s = mw.ustring.gsub(s, '([\r\n]%{|[^\r\n]*[\r\n]%s*)' .. marker, '%1')
    s = mw.ustring.gsub(s, marker .. '(%s*</[Tt][Aa][Bb][Ll][Ee]%s*>)', '%1')
    s = mw.ustring.gsub(s,  marker .. '(%s*\n|%})', '%1')
    end
    if s:match(marker) then
    local subcells = mw.text.split(s, marker)
    s = ''
    for k = 1, #subcells do
    if k == 1 then
    s = s .. subcells[k] .. '</' .. tt .. '></tr>'
    elseif k == #subcells then
    local rowstyle = ' style="display:none"'
    if notempty(subcells[k]) then rowstyle = '' end
    s = s .. '<tr' .. rowstyle ..'><' .. tt .. ' colspan=2>\n' .. subcells[k]
    elseif notempty(subcells[k]) then
    if (k % 2) == 0 then
    s = s .. subcells[k]
    else
    s = s .. '<tr><' .. tt .. ' colspan=2>\n' .. subcells[k] .. '</' .. tt .. '></tr>'
    end
    end
    end
    end
    -- the next two lines add a newline at the end of lists for the PHP parser
    -- https://en.wikipedia.org/w/index.php?title=Template_talk:Infobox_musical_artist&oldid=849054481
    -- remove when [[:phab:T191516]] is fixed or OBE
    s = mw.ustring.gsub(s, '([\r\n][%*#;:][^\r\n]*)$', '%1\n')
    s = mw.ustring.gsub(s, '^([%*#;:][^\r\n]*)$', '%1\n')
    return s
    else
    return sval
    end
    end
     
    local function union(t1, t2)
         -- Returns the union of the values of two tables, as a sequence.
         local vals = {}
         local vals = {}
         for k, v in pairs(t1) do
         for k, v in pairs(t1) do
    Line 27: Line 77:


    local function getArgNums(prefix)
    local function getArgNums(prefix)
        -- Returns a table containing the numbers of the arguments that exist
        -- for the specified prefix. For example, if the prefix was 'data', and
        -- 'data1', 'data2', and 'data5' exist, it would return {1, 2, 5}.
         local nums = {}
         local nums = {}
         for k, v in pairs(args) do
         for k, v in pairs(args) do
             local num = ('' .. k):match('^' .. prefix .. '([1-9]%d*)$')
             local num = tostring(k):match('^' .. prefix .. '([1-9]%d*)$')
             if num then table.insert(nums, tonumber(num)) end
             if num then table.insert(nums, tonumber(num)) end
         end
         end
    Line 37: Line 90:


    local function addRow(rowArgs)
    local function addRow(rowArgs)
        -- Adds a row to the infobox, with either a header cell
        -- or a label/data cell combination.
         if rowArgs.header then
         if rowArgs.header then
             root
             root
                 .tag('tr')
                 :tag('tr')
                     .tag('th')
                     :addClass(rowArgs.rowclass)
                         .attr('colspan', 2)
                    :cssText(rowArgs.rowstyle)
                         .addClass(rowArgs.class)
                    :attr('id', rowArgs.rowid)
                         .css('text-align', 'center')
                    :tag('th')
                         .cssText(args.headerstyle)
                         :attr('colspan', 2)
                         .wikitext(rowArgs.header)
                         :attr('id', rowArgs.headerid)
                        :addClass(rowArgs.class)
                         :addClass(args.headerclass)
                        :css('text-align', 'center')
                         :cssText(args.headerstyle)
                         :cssText(rowArgs.rowcellstyle)
                        :wikitext(fixChildBoxes(rowArgs.header, 'th'))
         elseif rowArgs.data then
         elseif rowArgs.data then
             local row = root.tag('tr')
             local row = root:tag('tr')
             row.addClass(rowArgs.rowclass)
             row:addClass(rowArgs.rowclass)
            row:cssText(rowArgs.rowstyle)
            row:attr('id', rowArgs.rowid)
             if rowArgs.label then
             if rowArgs.label then
                 row
                 row
                     .tag('th')
                     :tag('th')
                         .attr('scope', 'row')
                         :attr('scope', 'row')
                         .css('text-align', 'left')
                         :attr('id', rowArgs.labelid)
                         .cssText(args.labelstyle)
                         :cssText(args.labelstyle)
                         .wikitext(rowArgs.label)
                         :cssText(rowArgs.rowcellstyle)
                         .done()
                        :wikitext(rowArgs.label)
                         :done()
             end
             end
              
              
             local dataCell = row.tag('td')
             local dataCell = row:tag('td')
             if not rowArgs.label then  
             if not rowArgs.label then  
                 dataCell
                 dataCell
                     .attr('colspan', 2)
                     :attr('colspan', 2)
                     .css('text-align', 'center')  
                     :css('text-align', 'center')  
             end
             end
             dataCell
             dataCell
                 .addClass(rowArgs.class)
                 :attr('id', rowArgs.dataid)
                 .cssText(rowArgs.datastyle)
                :addClass(rowArgs.class)
                 .wikitext(rowArgs.data)
                 :cssText(rowArgs.datastyle)
                 :cssText(rowArgs.rowcellstyle)
                :newline()
                :wikitext(fixChildBoxes(rowArgs.data, 'td'))
         end
         end
    end
    end
    Line 76: Line 143:


         root
         root
             .tag('caption')
             :tag('caption')
                 .addClass(args.titleclass)
                 :addClass(args.titleclass)
                 .cssText(args.titlestyle)
                 :cssText(args.titlestyle)
                 .wikitext(args.title)
                 :wikitext(args.title)
    end
    end


    Line 86: Line 153:
          
          
         root
         root
             .tag('tr')
             :tag('tr')
                 .tag('th')
                 :tag('th')
                     .attr('colspan', 2)
                     :attr('colspan', 2)
                     .addClass(args.aboveclass)
                     :addClass(args.aboveclass)
                     .css('text-align', 'center')
                     :css('text-align', 'center')
                     .css('font-size', '125%')
                     :css('font-size', '125%')
                     .css('font-weight', 'bold')
                     :css('font-weight', 'bold')
                     .cssText(args.abovestyle)
                     :cssText(args.abovestyle)
                     .wikitext(args.above)
                     :wikitext(fixChildBoxes(args.above,'th'))
    end
    end


    Line 101: Line 168:
          
          
         root
         root
             .tag('tr')
             :tag('tr')
                 .tag('td')
                 :tag('td')
                     .attr('colspan', '2')
                     :attr('colspan', '2')
                     .addClass(args.belowclass)
                     :addClass(args.belowclass)
                     .css('text-align', 'center')
                     :css('text-align', 'center')
                     .cssText(args.belowstyle)
                     :cssText(args.belowstyle)
                     .newline()
                     :newline()
                     .wikitext(args.below)
                     :wikitext(fixChildBoxes(args.below,'td'))
                    .newline()
    end
    end


    Line 122: Line 188:
         for k, num in ipairs(subheadernums) do
         for k, num in ipairs(subheadernums) do
             addRow({
             addRow({
                 data = args['subheader' .. num],
                 data = args['subheader' .. tostring(num)],
                 datastyle = args.subheaderstyle or args['subheaderstyle' .. num],
                 datastyle = args.subheaderstyle or args['subheaderstyle' .. tostring(num)],
                 class = args.subheaderclass,
                 class = args.subheaderclass,
                 rowclass = args['subheaderrowclass' .. num]
                 rowclass = args['subheaderrowclass' .. tostring(num)]
             })
             })
         end
         end
    Line 139: Line 205:
         local imagenums = getArgNums('image')
         local imagenums = getArgNums('image')
         for k, num in ipairs(imagenums) do
         for k, num in ipairs(imagenums) do
             local caption = args['caption' .. num]
             local caption = args['caption' .. tostring(num)]
             local data = HtmlBuilder.create().wikitext(args['image' .. num])
             local data = mw.html.create():wikitext(args['image' .. tostring(num)])
             if caption then
             if caption then
                 data
                 data
                     .tag('br', {selfClosing = true})
                     :tag('div')
                         .done()
                         :cssText(args.captionstyle)
                    .tag('span')
                         :wikitext(caption)
                        .cssText(args.captionstyle)
                         .wikitext(caption)
             end
             end
             addRow({
             addRow({
    Line 153: Line 217:
                 datastyle = args.imagestyle,
                 datastyle = args.imagestyle,
                 class = args.imageclass,
                 class = args.imageclass,
                 rowclass = args['imagerowclass' .. num]
                 rowclass = args['imagerowclass' .. tostring(num)]
             })
             })
         end
         end
    Line 159: Line 223:


    local function renderRows()
    local function renderRows()
        -- Gets the union of the header and data argument numbers,
        -- and renders them all in order using addRow.
         local rownums = union(getArgNums('header'), getArgNums('data'))
         local rownums = union(getArgNums('header'), getArgNums('data'))
         table.sort(rownums)
         table.sort(rownums)
         for k, num in ipairs(rownums) do
         for k, num in ipairs(rownums) do
             addRow({
             addRow({
                 header = args['header' .. num],
                 header = args['header' .. tostring(num)],
                 label = args['label' .. num],
                 label = args['label' .. tostring(num)],
                 data = args['data' .. num],
                 data = args['data' .. tostring(num)],
                 datastyle = args.datastyle,
                 datastyle = args.datastyle,
                 class = args['class' .. num],
                 class = args['class' .. tostring(num)],
                 rowclass = args['rowclass' .. num]
                 rowclass = args['rowclass' .. tostring(num)],
                rowstyle = args['rowstyle' .. tostring(num)],
                rowcellstyle = args['rowcellstyle' .. tostring(num)],
                dataid = args['dataid' .. tostring(num)],
                labelid = args['labelid' .. tostring(num)],
                headerid = args['headerid' .. tostring(num)],
                rowid = args['rowid' .. tostring(num)]
             })
             })
         end
         end
    Line 177: Line 249:
          
          
         root
         root
             .tag('tr')
             :tag('tr')
                 .tag('td')
                 :tag('td')
                     .attr('colspan', '2')
                     :attr('colspan', '2')
                     .css('text-align', 'right')
                     :css('text-align', 'right')
                     .wikitext(mw.getCurrentFrame():expandTemplate({  
                     :wikitext(navbar{
                        title = 'navbar',
                         args.name,
                         args = { args.name, mini = 1 }
                        mini = 1,
                     }))
                     })
    end
    end


    Line 190: Line 262:
         local italicTitle = args['italic title'] and mw.ustring.lower(args['italic title'])
         local italicTitle = args['italic title'] and mw.ustring.lower(args['italic title'])
         if italicTitle == '' or italicTitle == 'force' or italicTitle == 'yes' then
         if italicTitle == '' or italicTitle == 'force' or italicTitle == 'yes' then
             root.wikitext(mw.getCurrentFrame():expandTemplate({title = 'italic title'}))
             root:wikitext(mw.getCurrentFrame():expandTemplate({title = 'italic title'}))
         end
         end
    end
    end
    Line 196: Line 268:
    local function renderTrackingCategories()
    local function renderTrackingCategories()
         if args.decat ~= 'yes' then
         if args.decat ~= 'yes' then
            if #(getArgNums('data')) == 0 and mw.title.getCurrentTitle().namespace == 0 then
        if args.child == 'yes' then
                root.wikitext('[[Category:Articles which use infobox templates with no data rows]]')
            if args.title then
            end
                root:wikitext('[[Category:Pages which use embedded infobox templates with the title parameter]]')
             if args.child == 'yes' and args.title then
            end
                 root.wikitext('[[Category:Articles which use embedded infobox templates with the title parameter]]')
             elseif #(getArgNums('data')) == 0 and mw.title.getCurrentTitle().namespace == 0 then
                 root:wikitext('[[Category:Articles which use infobox templates with no data rows]]')
             end
             end
         end
         end
    Line 206: Line 279:


    local function _infobox()
    local function _infobox()
        -- Specify the overall layout of the infobox, with special settings
        -- if the infobox is used as a 'child' inside another infobox.
         if args.child ~= 'yes' then
         if args.child ~= 'yes' then
             root = HtmlBuilder.create('table')
             root = mw.html.create('table')
              
              
             root
             root
                 .addClass('infobox')
                 :addClass((args.subbox ~= 'yes') and 'infobox' or nil)
                .addClass(args.bodyclass)
                 :addClass(args.bodyclass)
                .attr('cellspacing', 3)
                .css('border-spacing', '3px')
                 .cssText(args.bodystyle)
                  
                  
                 if args.subbox == 'yes' then
                 if args.subbox == 'yes' then
                     root
                     root
                         .css('padding', '0')
                         :css('padding', '0')
                         .css('border', 'none')
                         :css('border', 'none')
                         .css('margin', '-3px')
                         :css('margin', '-3px')
                         .css('width', 'auto')
                         :css('width', 'auto')
                         .css('min-width', '100%')
                         :css('min-width', '100%')
                         .css('font-size', '100%')
                         :css('font-size', '100%')
                         .css('clear', 'none')
                         :css('clear', 'none')
                         .css('float', 'none')
                         :css('float', 'none')
                         .css('background-color', 'transparent')
                         :css('background-color', 'transparent')
                 else
                 else
                     root
                     root
                         .css('width', '22em')
                         :css('width', '22em')
                 end
                 end
            root
                :cssText(args.bodystyle)
          
          
             renderTitle()
             renderTitle()
             renderAboveRow()
             renderAboveRow()
         else
         else
             root = HtmlBuilder.create()
             root = mw.html.create()
           
            root
                :wikitext(args.title)
         end
         end


    Line 249: Line 326:
    end
    end


    -- This function parses the parameters with the given prefixes, in order, in batches of 20.
    local function preprocessSingleArg(argName)
    local function touchParameters(prefixTable, origArgs)
        -- If the argument exists and isn't blank, add it to the argument table.
         if type(prefixTable) ~= 'table' or type(origArgs) ~= 'table' then
        -- Blank arguments are treated as nil to match the behaviour of ParserFunctions.
             error("Invalid input to the touchParameters function detected. Both parameters must be tables.", 2)
        if origArgs[argName] and origArgs[argName] ~= '' then
            args[argName] = origArgs[argName]
        end
    end
     
    local function preprocessArgs(prefixTable, step)
        -- Assign the parameters with the given prefixes to the args table, in order, in batches
        -- of the step size specified. This is to prevent references etc. from appearing in the
        -- wrong order. The prefixTable should be an array containing tables, each of which has
        -- two possible fields, a "prefix" string and a "depend" table. The function always parses
        -- parameters containing the "prefix" string, but only parses parameters in the "depend"
        -- table if the prefix parameter is present and non-blank.
         if type(prefixTable) ~= 'table' then
            error("Non-table value detected for the prefix table", 2)
        end
        if type(step) ~= 'number' then
             error("Invalid step value detected", 2)
         end
         end
         local temp
          
         local argumentCounter = 1
         -- Get arguments without a number suffix, and check for bad input.
        local moreArgumentsExist = true
         for i,v in ipairs(prefixTable) do
         for j,v in ipairs(prefixTable) do
             if type(v) ~= 'table' or type(v.prefix) ~= "string" or (v.depend and type(v.depend) ~= 'table') then
             if not type(v) == "string" then
                 error('Invalid input detected to preprocessArgs prefix table', 2)
                 error("Non-string value detected in the prefix table in the touchParameters function.", 2)
            end
            preprocessSingleArg(v.prefix)
            -- Only parse the depend parameter if the prefix parameter is present and not blank.
            if args[v.prefix] and v.depend then
                for j, dependValue in ipairs(v.depend) do
                    if type(dependValue) ~= 'string' then
                        error('Invalid "depend" parameter value detected in preprocessArgs')
                    end
                    preprocessSingleArg(dependValue)
                end
             end
             end
            temp = origArgs[v]
         end
         end
        -- Get arguments with number suffixes.
        local a = 1 -- Counter variable.
        local moreArgumentsExist = true
         while moreArgumentsExist == true do
         while moreArgumentsExist == true do
             moreArgumentsExist = false
             moreArgumentsExist = false
             for i = argumentCounter, argumentCounter + 19 do
             for i = a, a + step - 1 do
                 for j,v in ipairs(prefixTable) do
                 for j,v in ipairs(prefixTable) do
                     temp = origArgs[v .. tostring(i)]
                     local prefixArgName = v.prefix .. tostring(i)
                     if temp then
                     if origArgs[prefixArgName] then
                         moreArgumentsExist = true
                         moreArgumentsExist = true -- Do another loop if any arguments are found, even blank ones.
                        preprocessSingleArg(prefixArgName)
                    end
                    -- Process the depend table if the prefix argument is present and not blank, or
                    -- we are processing "prefix1" and "prefix" is present and not blank, and
                    -- if the depend table is present.
                    if v.depend and (args[prefixArgName] or (i == 1 and args[v.prefix])) then
                        for j,dependValue in ipairs(v.depend) do
                            local dependArgName = dependValue .. tostring(i)
                            preprocessSingleArg(dependArgName)
                        end
                     end
                     end
                 end
                 end
             end
             end
             argumentCounter = argumentCounter + 20
             a = a + step
         end
         end
    end
    end
       
       
    function p.infobox(frame)
    function p.infobox(frame)
        local origArgs
         -- If called via #invoke, use the args passed into the invoking template.
         -- If called via #invoke, use the args passed into the invoking template.
         -- Otherwise, for testing purposes, assume args are being passed directly in.
         -- Otherwise, for testing purposes, assume args are being passed directly in.
    Line 288: Line 402:
          
          
         -- Parse the data parameters in the same order that the old {{infobox}} did, so that
         -- Parse the data parameters in the same order that the old {{infobox}} did, so that
         -- references etc. will display in the expected places.
         -- references etc. will display in the expected places. Parameters that depend on
         local temp
         -- another parameter are only processed if that parameter is present, to avoid
         temp = origArgs.title
         -- phantom references appearing in article reference lists.
         temp = origArgs.above
        preprocessSingleArg('child')
         touchParameters({'subheader'}, origArgs)
        preprocessSingleArg('bodyclass')
         touchParameters({'image', 'caption'}, origArgs)
        preprocessSingleArg('subbox')
         touchParameters({'header', 'label', 'data'}, origArgs)
        preprocessSingleArg('bodystyle')
        temp = origArgs.below
        preprocessSingleArg('title')
        preprocessSingleArg('titleclass')
        -- ParserFunctions considers whitespace to be false, so to preserve the previous
         preprocessSingleArg('titlestyle')
        -- behavior of {{infobox}}, change any whitespace arguments to nil, so Lua will consider
        preprocessSingleArg('above')
         -- them false too. (Except the 'italic title' param, which specifies different behavior
        preprocessSingleArg('aboveclass')
         -- depending on whether it's absent or empty)
         preprocessSingleArg('abovestyle')
         args = {}
        preprocessArgs({
         for k, v in pairs(origArgs) do
            {prefix = 'subheader', depend = {'subheaderstyle', 'subheaderrowclass'}}
            if mw.ustring.match(v, '%S') or k == 'italic title' then
        }, 10)
                args[k] = v
        preprocessSingleArg('subheaderstyle')
            end
        preprocessSingleArg('subheaderclass')
         end
         preprocessArgs({
            {prefix = 'image', depend = {'caption', 'imagerowclass'}}
        }, 10)
        preprocessSingleArg('captionstyle')
        preprocessSingleArg('imagestyle')
        preprocessSingleArg('imageclass')
         preprocessArgs({
            {prefix = 'header'},
            {prefix = 'data', depend = {'label'}},
            {prefix = 'rowclass'},
            {prefix = 'rowstyle'},
            {prefix = 'rowcellstyle'},
            {prefix = 'class'},
            {prefix = 'dataid'},
            {prefix = 'labelid'},
            {prefix = 'headerid'},
            {prefix = 'rowid'}
        }, 50)
         preprocessSingleArg('headerclass')
        preprocessSingleArg('headerstyle')
        preprocessSingleArg('labelstyle')
         preprocessSingleArg('datastyle')
         preprocessSingleArg('below')
         preprocessSingleArg('belowclass')
        preprocessSingleArg('belowstyle')
        preprocessSingleArg('name')
        args['italic title'] = origArgs['italic title'] -- different behaviour if blank or absent
         preprocessSingleArg('decat')
       
       
         return _infobox()
         return _infobox()

    Latest revision as of 09:59, 16 November 2019

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

    --
    -- This module implements {{Infobox}}
    --
    
    local p = {}
    
    local navbar = require('Module:Navbar')._navbar
    
    local args = {}
    local origArgs
    local root
    
    local function notempty( s ) return s and s:match( '%S' ) end
    
    local function fixChildBoxes(sval, tt)
    	if notempty(sval) then
    		local marker = '<span class=special_infobox_marker>'
    		local s = sval
    		s = mw.ustring.gsub(s, '(<%s*[Tt][Rr])', marker .. '%1')
    		s = mw.ustring.gsub(s, '(</[Tt][Rr]%s*>)', '%1' .. marker)
    		if s:match(marker) then
    			s = mw.ustring.gsub(s, marker .. '%s*' .. marker, '')
    			s = mw.ustring.gsub(s, '([\r\n]|-[^\r\n]*[\r\n])%s*' .. marker, '%1')
    			s = mw.ustring.gsub(s, marker .. '%s*([\r\n]|-)', '%1')
    			s = mw.ustring.gsub(s, '(</[Cc][Aa][Pp][Tt][Ii][Oo][Nn]%s*>%s*)' .. marker, '%1')
    			s = mw.ustring.gsub(s, '(<%s*[Tt][Aa][Bb][Ll][Ee][^<>]*>%s*)' .. marker, '%1')
    			s = mw.ustring.gsub(s, '^(%{|[^\r\n]*[\r\n]%s*)' .. marker, '%1')
    			s = mw.ustring.gsub(s, '([\r\n]%{|[^\r\n]*[\r\n]%s*)' .. marker, '%1')
    			s = mw.ustring.gsub(s,  marker .. '(%s*</[Tt][Aa][Bb][Ll][Ee]%s*>)', '%1')
    			s = mw.ustring.gsub(s,  marker .. '(%s*\n|%})', '%1')
    		end
    		if s:match(marker) then
    			local subcells = mw.text.split(s, marker)
    			s = ''
    			for k = 1, #subcells do
    				if k == 1 then
    					s = s .. subcells[k] .. '</' .. tt .. '></tr>'
    				elseif k == #subcells then
    					local rowstyle = ' style="display:none"'
    					if notempty(subcells[k]) then rowstyle = ''	end
    					s = s .. '<tr' .. rowstyle ..'><' .. tt .. ' colspan=2>\n' .. subcells[k]
    				elseif notempty(subcells[k]) then
    					if (k % 2) == 0 then
    						s = s .. subcells[k]
    					else
    						s = s .. '<tr><' .. tt .. ' colspan=2>\n' .. subcells[k] .. '</' .. tt .. '></tr>'
    					end
    				end
    			end
    		end
    		-- the next two lines add a newline at the end of lists for the PHP parser
    		-- https://en.wikipedia.org/w/index.php?title=Template_talk:Infobox_musical_artist&oldid=849054481
    		-- remove when [[:phab:T191516]] is fixed or OBE
    		s = mw.ustring.gsub(s, '([\r\n][%*#;:][^\r\n]*)$', '%1\n')
    		s = mw.ustring.gsub(s, '^([%*#;:][^\r\n]*)$', '%1\n')
    		return s
    	else
    		return sval
    	end
    end
    
    local function union(t1, t2)
        -- Returns the union of the values of two tables, as a sequence.
        local vals = {}
        for k, v in pairs(t1) do
            vals[v] = true
        end
        for k, v in pairs(t2) do
            vals[v] = true
        end
        local ret = {}
        for k, v in pairs(vals) do
            table.insert(ret, k)
        end
        return ret
    end
    
    local function getArgNums(prefix)
        -- Returns a table containing the numbers of the arguments that exist
        -- for the specified prefix. For example, if the prefix was 'data', and
        -- 'data1', 'data2', and 'data5' exist, it would return {1, 2, 5}.
        local nums = {}
        for k, v in pairs(args) do
            local num = tostring(k):match('^' .. prefix .. '([1-9]%d*)$')
            if num then table.insert(nums, tonumber(num)) end
        end
        table.sort(nums)
        return nums
    end
    
    local function addRow(rowArgs)
        -- Adds a row to the infobox, with either a header cell
        -- or a label/data cell combination.
        if rowArgs.header then
            root
                :tag('tr')
                    :addClass(rowArgs.rowclass)
                    :cssText(rowArgs.rowstyle)
                    :attr('id', rowArgs.rowid)
                    :tag('th')
                        :attr('colspan', 2)
                        :attr('id', rowArgs.headerid)
                        :addClass(rowArgs.class)
                        :addClass(args.headerclass)
                        :css('text-align', 'center')
                        :cssText(args.headerstyle)
                        :cssText(rowArgs.rowcellstyle)
                        :wikitext(fixChildBoxes(rowArgs.header, 'th'))
        elseif rowArgs.data then
            local row = root:tag('tr')
            row:addClass(rowArgs.rowclass)
            row:cssText(rowArgs.rowstyle)
            row:attr('id', rowArgs.rowid)
            if rowArgs.label then
                row
                    :tag('th')
                        :attr('scope', 'row')
                        :attr('id', rowArgs.labelid)
                        :cssText(args.labelstyle)
                        :cssText(rowArgs.rowcellstyle)
                        :wikitext(rowArgs.label)
                        :done()
            end
            
            local dataCell = row:tag('td')
            if not rowArgs.label then 
                dataCell
                    :attr('colspan', 2)
                    :css('text-align', 'center') 
            end
            dataCell
                :attr('id', rowArgs.dataid)
                :addClass(rowArgs.class)
                :cssText(rowArgs.datastyle)
                :cssText(rowArgs.rowcellstyle)
                :newline()
                :wikitext(fixChildBoxes(rowArgs.data, 'td'))
        end
    end
    
    local function renderTitle()
        if not args.title then return end
    
        root
            :tag('caption')
                :addClass(args.titleclass)
                :cssText(args.titlestyle)
                :wikitext(args.title)
    end
    
    local function renderAboveRow()
        if not args.above then return end
        
        root
            :tag('tr')
                :tag('th')
                    :attr('colspan', 2)
                    :addClass(args.aboveclass)
                    :css('text-align', 'center')
                    :css('font-size', '125%')
                    :css('font-weight', 'bold')
                    :cssText(args.abovestyle)
                    :wikitext(fixChildBoxes(args.above,'th'))
    end
    
    local function renderBelowRow()
        if not args.below then return end
        
        root
            :tag('tr')
                :tag('td')
                    :attr('colspan', '2')
                    :addClass(args.belowclass)
                    :css('text-align', 'center')
                    :cssText(args.belowstyle)
                    :newline()
                    :wikitext(fixChildBoxes(args.below,'td'))
    end
    
    local function renderSubheaders()
        if args.subheader then
            args.subheader1 = args.subheader
        end
        if args.subheaderrowclass then
            args.subheaderrowclass1 = args.subheaderrowclass
        end
        local subheadernums = getArgNums('subheader')
        for k, num in ipairs(subheadernums) do
            addRow({
                data = args['subheader' .. tostring(num)],
                datastyle = args.subheaderstyle or args['subheaderstyle' .. tostring(num)],
                class = args.subheaderclass,
                rowclass = args['subheaderrowclass' .. tostring(num)]
            })
        end
    end
    
    local function renderImages()
        if args.image then
            args.image1 = args.image
        end
        if args.caption then
            args.caption1 = args.caption
        end
        local imagenums = getArgNums('image')
        for k, num in ipairs(imagenums) do
            local caption = args['caption' .. tostring(num)]
            local data = mw.html.create():wikitext(args['image' .. tostring(num)])
            if caption then
                data
                    :tag('div')
                        :cssText(args.captionstyle)
                        :wikitext(caption)
            end
            addRow({
                data = tostring(data),
                datastyle = args.imagestyle,
                class = args.imageclass,
                rowclass = args['imagerowclass' .. tostring(num)]
            })
        end
    end
    
    local function renderRows()
        -- Gets the union of the header and data argument numbers,
        -- and renders them all in order using addRow.
        local rownums = union(getArgNums('header'), getArgNums('data'))
        table.sort(rownums)
        for k, num in ipairs(rownums) do
            addRow({
                header = args['header' .. tostring(num)],
                label = args['label' .. tostring(num)],
                data = args['data' .. tostring(num)],
                datastyle = args.datastyle,
                class = args['class' .. tostring(num)],
                rowclass = args['rowclass' .. tostring(num)],
                rowstyle = args['rowstyle' .. tostring(num)],
                rowcellstyle = args['rowcellstyle' .. tostring(num)],
                dataid = args['dataid' .. tostring(num)],
                labelid = args['labelid' .. tostring(num)],
                headerid = args['headerid' .. tostring(num)],
                rowid = args['rowid' .. tostring(num)]
            })
        end
    end
    
    local function renderNavBar()
        if not args.name then return end
        
        root
            :tag('tr')
                :tag('td')
                    :attr('colspan', '2')
                    :css('text-align', 'right')
                    :wikitext(navbar{
                        args.name,
                        mini = 1,
                    })
    end
    
    local function renderItalicTitle()
        local italicTitle = args['italic title'] and mw.ustring.lower(args['italic title'])
        if italicTitle == '' or italicTitle == 'force' or italicTitle == 'yes' then
            root:wikitext(mw.getCurrentFrame():expandTemplate({title = 'italic title'}))
        end
    end
    
    local function renderTrackingCategories()
        if args.decat ~= 'yes' then
        	if args.child == 'yes' then
            	if args.title then
                	root:wikitext('[[Category:Pages which use embedded infobox templates with the title parameter]]')
            	end
            elseif #(getArgNums('data')) == 0 and mw.title.getCurrentTitle().namespace == 0 then
                root:wikitext('[[Category:Articles which use infobox templates with no data rows]]')
            end
        end
    end
    
    local function _infobox()
        -- Specify the overall layout of the infobox, with special settings
        -- if the infobox is used as a 'child' inside another infobox.
        if args.child ~= 'yes' then
            root = mw.html.create('table')
            
            root
                :addClass((args.subbox ~= 'yes') and 'infobox' or nil)
                :addClass(args.bodyclass)
                
                if args.subbox == 'yes' then
                    root
                        :css('padding', '0')
                        :css('border', 'none')
                        :css('margin', '-3px')
                        :css('width', 'auto')
                        :css('min-width', '100%')
                        :css('font-size', '100%')
                        :css('clear', 'none')
                        :css('float', 'none')
                        :css('background-color', 'transparent')
                else
                    root
                        :css('width', '22em')
                end
            root
                :cssText(args.bodystyle)
        
            renderTitle()
            renderAboveRow()
        else
            root = mw.html.create()
            
            root
                :wikitext(args.title)
        end
    
        renderSubheaders()
        renderImages() 
        renderRows() 
        renderBelowRow()  
        renderNavBar()
        renderItalicTitle()
        renderTrackingCategories()
        
        return tostring(root)
    end
    
    local function preprocessSingleArg(argName)
        -- If the argument exists and isn't blank, add it to the argument table.
        -- Blank arguments are treated as nil to match the behaviour of ParserFunctions.
        if origArgs[argName] and origArgs[argName] ~= '' then
            args[argName] = origArgs[argName]
        end
    end
    
    local function preprocessArgs(prefixTable, step)
        -- Assign the parameters with the given prefixes to the args table, in order, in batches
        -- of the step size specified. This is to prevent references etc. from appearing in the
        -- wrong order. The prefixTable should be an array containing tables, each of which has
        -- two possible fields, a "prefix" string and a "depend" table. The function always parses
        -- parameters containing the "prefix" string, but only parses parameters in the "depend"
        -- table if the prefix parameter is present and non-blank.
        if type(prefixTable) ~= 'table' then
            error("Non-table value detected for the prefix table", 2)
        end
        if type(step) ~= 'number' then
            error("Invalid step value detected", 2)
        end
        
        -- Get arguments without a number suffix, and check for bad input.
        for i,v in ipairs(prefixTable) do
            if type(v) ~= 'table' or type(v.prefix) ~= "string" or (v.depend and type(v.depend) ~= 'table') then
                error('Invalid input detected to preprocessArgs prefix table', 2)
            end
            preprocessSingleArg(v.prefix)
            -- Only parse the depend parameter if the prefix parameter is present and not blank.
            if args[v.prefix] and v.depend then
                for j, dependValue in ipairs(v.depend) do
                    if type(dependValue) ~= 'string' then
                        error('Invalid "depend" parameter value detected in preprocessArgs')
                    end
                    preprocessSingleArg(dependValue)
                end
            end
        end
    
        -- Get arguments with number suffixes.
        local a = 1 -- Counter variable.
        local moreArgumentsExist = true
        while moreArgumentsExist == true do
            moreArgumentsExist = false
            for i = a, a + step - 1 do
                for j,v in ipairs(prefixTable) do
                    local prefixArgName = v.prefix .. tostring(i)
                    if origArgs[prefixArgName] then
                        moreArgumentsExist = true -- Do another loop if any arguments are found, even blank ones.
                        preprocessSingleArg(prefixArgName)
                    end
                    -- Process the depend table if the prefix argument is present and not blank, or
                    -- we are processing "prefix1" and "prefix" is present and not blank, and
                    -- if the depend table is present.
                    if v.depend and (args[prefixArgName] or (i == 1 and args[v.prefix])) then
                        for j,dependValue in ipairs(v.depend) do
                            local dependArgName = dependValue .. tostring(i)
                            preprocessSingleArg(dependArgName)
                        end
                    end
                end
            end
            a = a + step
        end
    end
     
    function p.infobox(frame)
        -- If called via #invoke, use the args passed into the invoking template.
        -- Otherwise, for testing purposes, assume args are being passed directly in.
        if frame == mw.getCurrentFrame() then
            origArgs = frame:getParent().args
        else
            origArgs = frame
        end
        
        -- Parse the data parameters in the same order that the old {{infobox}} did, so that
        -- references etc. will display in the expected places. Parameters that depend on
        -- another parameter are only processed if that parameter is present, to avoid
        -- phantom references appearing in article reference lists.
        preprocessSingleArg('child')
        preprocessSingleArg('bodyclass')
        preprocessSingleArg('subbox')
        preprocessSingleArg('bodystyle')
        preprocessSingleArg('title')
        preprocessSingleArg('titleclass')
        preprocessSingleArg('titlestyle')
        preprocessSingleArg('above')
        preprocessSingleArg('aboveclass')
        preprocessSingleArg('abovestyle')
        preprocessArgs({
            {prefix = 'subheader', depend = {'subheaderstyle', 'subheaderrowclass'}}
        }, 10)
        preprocessSingleArg('subheaderstyle')
        preprocessSingleArg('subheaderclass')
        preprocessArgs({
            {prefix = 'image', depend = {'caption', 'imagerowclass'}}
        }, 10)
        preprocessSingleArg('captionstyle')
        preprocessSingleArg('imagestyle')
        preprocessSingleArg('imageclass')
        preprocessArgs({
            {prefix = 'header'},
            {prefix = 'data', depend = {'label'}},
            {prefix = 'rowclass'},
            {prefix = 'rowstyle'},
            {prefix = 'rowcellstyle'},
            {prefix = 'class'},
            {prefix = 'dataid'},
            {prefix = 'labelid'},
            {prefix = 'headerid'},
            {prefix = 'rowid'}
        }, 50)
        preprocessSingleArg('headerclass')
        preprocessSingleArg('headerstyle')
        preprocessSingleArg('labelstyle')
        preprocessSingleArg('datastyle')
        preprocessSingleArg('below')
        preprocessSingleArg('belowclass')
        preprocessSingleArg('belowstyle')
        preprocessSingleArg('name')
        args['italic title'] = origArgs['italic title'] -- different behaviour if blank or absent
        preprocessSingleArg('decat')
     
        return _infobox()
    end
     
    return p