Module:Unsubst-infobox

local p = {}

local specialParams = { ['$params'] = 'all parameters', ['$extra'] = 'extra parameters', ['$set1'] = 'parameter set 1', ['$set2'] = 'parameter set 2', ['$set3'] = 'parameter set 3', ['$aliases'] = 'parameter aliases', ['$indent'] = 'indent', ['$flags'] = 'flags', ['$B'] = 'template content', ['$template-name'] = 'template invocation name override' }

p[] = function ( frame ) if not frame:getParent() then error( ' makes no sense without a parent frame' ) end if not frame.args['$B'] then error( ' requires parameter $B (template content)' ) end if not frame.args['$params'] then error( ' requires parameter $params (parameter list)' ) end

if mw.isSubsting() then ---- substing -- Combine passed args with passed defaults local args = {} if string.find( ','..(frame.args['$flags'] or )..',', ',%s*override%s*,' ) then for k, v in pairs( frame:getParent().args ) do args[k] = v end for k, v in pairs( frame.args ) do if not specialParams[k] then if v == '__DATE__' then v = mw.getContentLanguage():formatDate( 'F Y' ) end args[k] = v end end else for k, v in pairs( frame.args ) do if not specialParams[k] then if v == '__DATE__' then v = mw.getContentLanguage():formatDate( 'F Y' ) end args[k] = v end end for k, v in pairs( frame:getParent().args ) do args[k] = v end end

-- Build an equivalent template invocation -- First, find the title to use local titleobj = mw.title.new(frame:getParent():getTitle()) local title if titleobj.namespace == 10 then -- NS_TEMPLATE title = titleobj.text elseif titleobj.namespace == 0 then -- NS_MAIN title = ':' .. titleobj.text else title = titleobj.prefixedText end

if frame.args['$template-name'] and ~= frame.args['$template-name'] then title = frame.args['$template-name'] -- override whatever the template name is with this name end

-- Remove empty fields for k, v in pairs( args ) do if v == then args[k] = nil end end

-- Pull information from parameter aliases local aliases = {} if frame.args['$aliases'] then local list = mw.text.split( frame.args['$aliases'], '%s*,%s*' ) for k, v in ipairs( list ) do local tmp = mw.text.split( v, '%s*>%s*' ) aliases[(tonumber(mw.ustring.match(tmp[1], '^[1-9][0-9]*$'))) or tmp[1]] = ((tonumber(mw.ustring.match(tmp[2], '^[1-9][0-9]*$'))) or tmp[2]) end end for k, v in pairs( aliases ) do if args[k] and not args[v] then args[v], args[k] = args[k], nil end end

-- Build the invocation body with numbered args first, then named local ret = '{{' .. title for k, v in ipairs( args ) do if mw.ustring.find( v, '=', 1, true ) then -- likely something like 1=foo=bar, we need to do it as a named arg break end if not aliases[k] then ret = ret .. '|' .. v args[k] = nil end end

-- Pull lists from special parameters local params = mw.text.split( frame.args['$params'], '%s*,%s*' ) for k, v in ipairs( params ) do params[k] = (tonumber(mw.ustring.match(v, '^[1-9][0-9]*$'))) or v end local sets, setparams, extra = {{}, {}, {}}, {}, {} for k = 1, 3 do local v = frame.args['$set' .. k] if v then setparams[k] = mw.text.split( v, '%s*,%s*' ) for x, y in ipairs( setparams[k] ) do setparams[k][x] = (tonumber(mw.ustring.match(y, '^[1-9][0-9]*$'))) or y sets[k][setparams[k][x]] = true end end end if frame.args['$extra'] then local tmp = mw.text.split( frame.args['$extra'], '%s*,%s*' ) for k, v in ipairs( tmp ) do extra[(tonumber(mw.ustring.match(v, '^[1-9][0-9]*$'))) or v] = true end end

-- Replace parameter list with short version if full version not necessary local tmp = {} for k, v in ipairs( sets ) do if next(v) then -- if table v is not empty for _, x in ipairs( params ) do if args[x] and not v[x] then tmp[k] = true break end end if not tmp[k] then params = setparams[k] end end end

-- Align parameters correctly and remove extra ones local maxlength = 0 local discard = {} for k, v in ipairs( params ) do if (not extra[v]) or args[v] then local tmp = mw.ustring.len( tostring( v ) ) if tmp > maxlength then maxlength = tmp end else table.insert( discard, 1, k ) end end for k, v in ipairs( discard ) do table.remove( params, v ) end local indent = string.rep(' ', (tonumber(frame.args['$indent']) or 0))

local space, newline = ' ', '\n' if not next(params) then space, newline = , end

for k, v in ipairs( params ) do local tmp = space if mw.ustring.match( mw.ustring.sub( ( args[v] or ) .. ' ', 1, 1 ), '[%*:;#]' ) then tmp = '\n' end ret = ret .. newline .. indent .. '|' .. space .. v .. string.rep(' ', (maxlength - mw.ustring.len( v ))) .. space .. '=' .. tmp .. (args[v] or ) end

ret = ret .. newline .. '}}'

ret = mw.ustring.gsub(ret, '%s+\n', '\n')

return ret else -- Not substing -- Just return the "body" return frame.args['$B'] end end

return p