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-- -- 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') s = mw.ustring.gsub(s, '^([%*#;:])', '\n%1') s = mw.ustring.gsub(s, '^(%{%|)', '\n%1') 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 and rowArgs.header ~= '_BLANK_' 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')) if rowArgs.data then root:wikitext('[[Category:Pages which use infobox templates with ignored data cells]]') end elseif rowArgs.data then if not rowArgs.data:gsub('%[%[%s*[Cc][Aa][Tt][Ee][Gg][Oo][Rr][Yy]%s*:[^]]*]]', ''):match('^%S') then rowArgs.rowstyle = 'display:none' end 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) :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) :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') :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 preprocessRows() -- 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) 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('%[%[%s*[Cc][Aa][Tt][Ee][Gg][Oo][Rr][Yy]%s*:[^]]*]]', ''):match('^%S') then local data = args['data' .. tostring(num)] if data:gsub('%[%[%s*[Cc][Aa][Tt][Ee][Gg][Oo][Rr][Yy]%s*:[^]]*]]', ''):match('%S') then lastheader = nil end end end if lastheader then args['header' .. tostring(lastheader)] = nil 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() if args.autoheaders then preprocessRows() end 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  local function parseDataParameters() -- 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('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') args['italic title'] = origArgs['italic title'] -- different behaviour if blank or absent preprocessSingleArg('decat') 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  parseDataParameters()  return _infobox() end  function p.infoboxTemplate(frame) -- For calling via #invoke within a template origArgs = {} for k,v in pairs(frame.args) do origArgs[k] = mw.text.trim(v) end  parseDataParameters()  return _infobox() end return p