Module:Infobox

-- -- This module implements --

local p = {} local args = {} local origArgs = {} local root local category_in_empty_row_pattern = '%[%[%s*[Cc][Aa][Tt][Ee][Gg][Oo][Rr][Yy]%s*:[^]]*]]' local has_rows = false

local function fixChildBoxes(sval, tt) local function notempty( s ) return s and s:match( '%S' ) end

if notempty(sval) then local marker = '' local s = sval s = mw.ustring.gsub(s, '(<%s*[Tt][Rr])', marker .. '%1') s = mw.ustring.gsub(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, '(%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*)', '%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] .. ' '				elseif k == #subcells then local rowstyle = ' style="display:none"' if notempty(subcells[k]) then rowstyle = ''	end s = s .. '<' .. tt .. ' colspan=2>\n' .. subcells[k] elseif notempty(subcells[k]) then if (k % 2) == 0 then s = s .. subcells[k] else s = s .. ' <' .. tt .. ' colspan=2>\n' .. subcells[k] .. ' '					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') s = mw.ustring.gsub(s, '^([%*#;:])', '\n%1') s = mw.ustring.gsub(s, '^(%{%|)', '\n%1') return s	else return sval end end

-- Cleans empty tables local function cleanInfobox root = tostring(root) if has_rows == false then root = mw.ustring.gsub(root, ' ', '') end end

-- Returns the union of the values of two tables, as a sequence. local function union(t1, t2) 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

-- 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 function getArgNums(prefix) 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

-- Adds a row to the infobox, with either a header cell -- or a label/data cell combination. local function addRow(rowArgs) if rowArgs.header and rowArgs.header ~= '_BLANK_' then has_rows = true

root :tag('tr') :attr('id', rowArgs.rowid) :addClass(rowArgs.rowclass) :cssText(rowArgs.rowstyle) :tag('th') :attr('colspan', '2') :attr('id', rowArgs.headerid) :addClass('infobox-header') :addClass(rowArgs.class) :addClass(args.headerclass) :cssText(args.headerstyle) :cssText(rowArgs.rowcellstyle) :wikitext(fixChildBoxes(rowArgs.header, 'th')) elseif rowArgs.data and rowArgs.data:gsub(category_in_empty_row_pattern, ''):match('^%S') then has_rows = true 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) :addClass('infobox-label') :cssText(args.labelstyle) :cssText(rowArgs.rowcellstyle) :wikitext(rowArgs.label) :done end

local dataCell = row:tag('td') dataCell :attr('colspan', not rowArgs.label and '2' or nil) :attr('id', rowArgs.dataid) :addClass(not rowArgs.label and 'infobox-full-data' or 'infobox-data') :addClass(rowArgs.class) :cssText(rowArgs.datastyle) :cssText(rowArgs.rowcellstyle) :wikitext(fixChildBoxes(rowArgs.data, 'td')) else table.insert(empty_row_categories, rowArgs.data or '') end end

local function renderTitle if not args.title then return end

has_rows = true

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

local function renderAboveRow if not args.above then return end

has_rows = true root :tag('tr') :tag('th') :attr('colspan', '2') :addClass('infobox-above') :addClass(args.aboveclass) :cssText(args.abovestyle) :wikitext(fixChildBoxes(args.above,'th')) end

local function renderBelowRow if not args.below then return end

has_rows = true

root :tag('tr') :tag('td') :attr('colspan', '2') :addClass('infobox-below') :addClass(args.belowclass) :cssText(args.belowstyle) :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,			rowcellstyle = 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') :addClass('infobox-caption') :cssText(args.captionstyle) :wikitext(caption) end addRow({			data = tostring(data),			datastyle = args.imagestyle,			class = args.imageclass,			rowclass = args['imagerowclass' .. tostring(num)]		}) end end

-- When autoheaders are turned on, preprocesses the rows local function preprocessRows if not args.autoheaders then return end

local rownums = union(getArgNums('header'), getArgNums('data')) table.sort(rownums) local lastheader for k, num in ipairs(rownums) do if args['header' .. tostring(num)] then if lastheader then args['header' .. tostring(lastheader)] = nil end lastheader = num elseif args['data' .. tostring(num)] and args['data' .. tostring(num)]:gsub(category_in_empty_row_pattern, ''):match('^%S') then local data = args['data' .. tostring(num)] if data:gsub(category_in_empty_row_pattern, ''):match('%S') then lastheader = nil end end end if lastheader then args['header' .. tostring(lastheader)] = nil end end

-- Gets the union of the header and data argument numbers, -- and renders them all in order local function renderRows 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 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

-- Specify the overall layout of the infobox, with special settings -- if the infobox is used as a 'child' inside another infobox. local function _infobox if args.child ~= 'yes' then root = mw.html.create('table')

root :addClass(args.subbox == 'yes' and 'infobox-subbox' or 'infobox') :addClass(args.bodyclass) :cssText(args.bodystyle)

renderTitle renderAboveRow else root = mw.html.create

root :wikitext(args.title) end

renderSubheaders renderImages preprocessRows renderRows renderBelowRow renderItalicTitle cleanInfobox

return tostring(root) end

-- 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. local function preprocessSingleArg(argName) if origArgs[argName] and origArgs[argName] ~= '' then args[argName] = origArgs[argName] end end

-- 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. local function preprocessArgs(prefixTable, step) 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 -- Do another loop if any arguments are found, even blank ones. moreArgumentsExist = true 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

-- Parse the data parameters in the same order that the old 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. local function parseDataParameters preprocessSingleArg('autoheaders') 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') -- different behaviour for italics if blank or absent args['italic title'] = origArgs['italic title'] preprocessSingleArg('decat') end

-- If called via #invoke, use the args passed into the invoking template. -- Otherwise, for testing purposes, assume args are being passed directly in. function p.infobox(frame) if frame == mw.getCurrentFrame then origArgs = frame:getParent.args else origArgs = frame end parseDataParameters return _infobox end

-- For calling via #invoke within a template function p.infoboxTemplate(frame) origArgs = {} for k,v in pairs(frame.args) do origArgs[k] = mw.text.trim(v) end parseDataParameters return _infobox end return p