Modul:Citation

Die Dokumentation für dieses Modul kann unter Modul:Citation/doc erstellt werden

-- documentation
local citation = {
	suite  = 'Citation',
	serial = '2020-03-26',
}

-- module import
local cu = require( 'Module:Citation/utilities' )
local cc = require( 'Module:Citation/COinS' )
local cx = require( 'Module:Check isxn' )
local li = require( 'Module:LinkISBN' )
local uc = require( 'Module:UrlCheck' )
local yn = require( 'Module:Yesno' )

-- module variable
local ct = {}

-- global variables
-- list of possible type values
local refTypes = {
	book       = { 'book', 'Buch' },
	map        = { 'map', 'Karte' },
	collection = { 'collection', 'Sammelwerk' },
	journal    = { 'journal', 'Zeitschrift' },
	newspaper  = { 'newspaper', 'Zeitung' },
	web        = { 'web', 'Web', 'Internet' }
}

-- list of possible status values
local urlStates = {
	dead    = { 'dead', 'offline' },
	live    = { 'live', 'online' },
	usurped = { 'unfit', 'usurped', 'usurpiert' }
}

-- list of possible parameter
-- no index: possible parameter names
-- types: reference types for which parameter is valid
-- COinS: COinS key
-- COinS_id: COinS id
-- cleanup = true: complete cleanup
local params = {
	type        = { 'type', 'Typ', cleanup = true },
	author      = { 'Autor', COinS = 'rft.au', cleanup = true },
	editor      = { 'Herausgeber', 'Hrsg', cleanup = true },
	title       = { 'Titel', COinS = 'rft.title', cleanup = true },
	chapter     = { 'Kapitel', types = 'book', COinS = 'rft.atitle', cleanup = true },
	collection  = { 'Sammelwerk', types = 'collection', cleanup = true },
	journal     = { 'Zeitschrift', 'Sammelwerk', types = 'journal', COinS = 'rft.jtitle', cleanup = true },
	newspaper   = { 'Zeitung', 'Sammelwerk', types = 'newspaper', COinS = 'rft.jtitle', cleanup = true },
	website     = { 'Website', 'Internet', 'Sammelwerk', types = 'web', cleanup = true },
	abbr        = { 'Abk', types = { 'collection', 'journal', 'newspaper' }, cleanup = true },
	url         = { 'Online', 'URL', types = { 'book', 'map', 'collection', 'journal', 'newspaper', 'web' }, cleanup = true },
	articleUrl  = { 'Onlineaufsatz', 'Aufsatz-URL', types = { 'journal' }, cleanup = true },
	siteUrl     = { 'Site-URL', 'Website-URL', types = { 'collection', 'newspaper', 'web' }, cleanup = true },
	jstor       = { 'JSTOR', types = { 'journal', 'newspaper' }, cleanup = true },
	KBytes      = { 'KBytes', 'kBytes', 'kbytes', cleanup = true },
	MBytes      = { 'MBytes', 'Mbytes', cleanup = true },
	accessDate  = { 'Zugriff', 'Abruf', cleanup = true },
	scale       = { 'Maßstab', types = 'map', cleanup = true },
	place       = { 'Ort', COinS = 'rft.place', cleanup = true },
	publisher   = { 'Verlag', 'Verleger', types = { 'book', 'map', 'collection', 'web' }, COinS = 'rft.pub', cleanup = true },
	date        = { 'Datum', 'Jahr', COinS = 'rft.date', cleanup = true },
	edition     = { 'Auflage', types = { 'book', 'map', 'collection' }, COinS = 'rft.edition', cleanup = true },
	volume      = { 'Band', types = { 'book', 'map', 'collection', 'journal', 'newspaper' }, COinS = 'rft.volume', cleanup = true },
	issue       = { 'Ausgabe', 'Nummer', 'Heft', types = { 'journal', 'newspaper' }, COinS = 'rft.issue', cleanup = true },
	pages       = { 'Seite', 'Seiten', types = { 'book', 'collection', 'journal', 'newspaper', 'web' }, COinS = 'rft.pages', cleanup = true },
	columns     = { 'Spalten', types = { 'book', 'collection', 'journal', 'newspaper', 'web' }, cleanup = true },
	extent      = { 'Umfang', 'Seitenanzahl', types = { 'book', 'collection', 'map' } },
	series      = { 'Serie', 'Reihe', types = { 'book', 'collection', 'map' }, COinS = 'rft.series', cleanup = true },
	series2     = { 'Serie2', 'Reihe2', types = { 'book', 'collection', 'map' }, cleanup = true },
	series3     = { 'Serie3', 'Reihe3', types = { 'book', 'collection', 'map' }, cleanup = true },
	isbn        = { 'ISBN', types = { 'book', 'collection', 'map', 'journal' }, COinS = 'rft.isbn', cleanup = true },
	dnb         = { 'DNB', types = { 'book', 'collection', 'map' }, cleanup = true },
	oclc        = { 'OCLC', types = { 'book', 'collection', 'map' }, COinS_id = 'info:oclcnum', cleanup = true },
	issn        = { 'ISSN', COinS = 'rft.issn', cleanup = true },
	eissn       = { 'EISSN', cleanup = true },
	doi         = { 'DOI', COinS_id = 'info:doi', cleanup = true },
	language    = { 'Sprache' },
	comment     = { 'Kommentar', 'Zitat' },
	ignoreError = { 'ignoreError', 'ignoreErrors', 'keinFehler', 'kein Fehler', cleanup = true },
	urlStatus   = { 'URL-Status', cleanup = true },
	archiveUrl  = { 'Archiv-URL', cleanup = true },
	archiveDate = { 'Archiv-Datum', 'Archivdatum', cleanup = true },
	format      = { 'Format', cleanup = true }
}

-- list of formatter strings
local formatters = {
	-- author
	auAuthor = '%s: ',
	auAuthorEditor = '%s ; %s',
	auEditor = '%s (Hrsg.)',
	-- title
	tiAll = "%s. ",
	tiChapter = "Kapitel ''%s''",
	tiIn = 'In: ',
	tiScale = 'Maßstab: %s. ',
	tiSeries = '(%s)',
	tiTitle = "''%s''",
	tiVolume = "''%s''; Bd. %s",
	-- publisher
	puAll = '%s.',
	puDateEdition = '%s (%d. Auflage)',
	puPlaceDate = '%s, %s',
	puPlacePub = '%s: %s',
	-- additions
	addColumns = 'Sp. %s',
	addComment = ' %s',
	addDelimiter1 = ', ',
	addDelimiter2 = '; ',
	addExtent = '%s Seiten',
	addLanguage = ' (%s)',
	addPages = 'S. %s',
	-- periodical	
	prAbbr = ' (%s)',
	prIssue = 'Nr. %s',
	prPlace = ' <%s>',
	prVolume = 'Bd. %s',
	prVolIssue = '%s,%s',
	prVolYear = '%s (%s)',
	-- newspaper
	nsVolume = 'Jg. %s',
	-- database ids
	dbDnb = '[[w:Deutsche Nationalbibliothek|DNB]] [http://d-nb.info/%s %s]',
	dbDoi = '[[w:Digital Object Identifier|doi]]:%s',
	dbOclc = '[[w:Online Computer Library Center|OCLC]] [https://worldcat.org/oclc/%s %s]',
	dbIssn = '[[w:Internationale Standardnummer für fortlaufende Sammelwerke|ISSN]] [http://zdb-katalog.de/list.xhtml?t=iss%3D%22xx1xx%22&key=cql xx1xx]',
	dbJstor = '[[w:JSTOR|JSTOR]] [https://www.jstor.org/stable/%s %s]',
	-- web
	wbAccess = 'abgerufen am %s',
	wbKBytes = 'Dateigröße: %s KByte',
	wbMBytes = 'Dateigröße: %s MByte',
	-- archive
	arArchived = 'Archiviert',
	arOriginal = 'Original',
	arArchive = ' %s vom %s.',
	arArchiveDate = ' %s vom %s am %s.'
}

-- error categories and hints
local texts = {
	decimalPoint  = ',',
	noTitel       = '<span class="error">Fehlender Titel</span>',
	noTitelUrl    = '<span class="error">Titel und URL fehlen</span>[[Category:Literatur: Titel und URL fehlen]]',
	noURL         = '<span class="error">Ungültige URL</span>[[Category:Literatur: ungültige URL]]',
	unknownParam  = '<span class="error">Ungültiger Parameter: %s</span>[[Category:Literatur: ungültige Parameter]]',
	unknownParams = '<span class="error">Ungültige Parameter: %s</span>[[Category:Literatur: ungültige Parameter]]',
	unknownTitle  = '[[Category:Literatur: fehlender Titel]]',
	unknownPeriodical = '[[Category:Literatur: fehlender Titel eines Periodikums]]',
	wrongDate     = '<span class="error">Ungültiges Datum</span>[[Category:Literatur: ungültiges Datum]]',
	wrongIssn     = '<span class="error">Ungültige ISSN</span>[[Category:Seiten mit ISSN-Fehlern]]',
	wrongPages    = '<span class="error">Ungültige Seiten</span>[[Category:Literatur: ungültige Seiten]]',
	wrongType     = '<span class="error">Ungültiger Typ</span>[[Category:Literatur: ungültiger Typ]]',
	wrongValue    = '<span class="error">Ungültiger Wert: %s</span>[[Category:Literatur: ungültiger Wert]]',
	wrongValues   = '<span class="error">Ungültige Werte: %s</span>[[Category:Literatur: ungültiger Wert]]',
	KBytesMBytes  = '<span class="error">KBytes und MBytes gleichzeitig</span>[[Category:Literatur: KBytes und MBytes gleichzeitig]]'
}

-- detcted date format y, y-m, y-m-d
local dateFormat = ''

-- check for valid arguments against params table
local function getValidArgs( frameArgs )
	local args = {}, key, key2, ok, value, value2
	local complete = {}
	local wrongParams = {}
	local aType = frameArgs.type

	for key, value in pairs( params ) do
		if not value.types or cu.inArray( value.types, aType ) then
			for key2, value2 in ipairs( value ) do
				complete[ value2 ] = key
				args[ key ] = args[ key ] or
					cu.cleanupParameters( frameArgs[ value2 ], value.cleanup )
			end
			args[ key ] = args[ key ] or ''
		end
	end
	-- no missing items
	for key, value in pairs( params ) do
		if not args[ key ] then
			args[ key ] = ''
		end
	end

	for key, value in pairs( frameArgs ) do
		if not complete[ key ] then
			table.insert( wrongParams, key )
		end
	end
	if #wrongParams == 1 then
		cu.addErrorMsg( mw.ustring.format( texts.unknownParam, table.concat( wrongParams, ', ' ) ) )
	elseif #wrongParams > 0 then
		cu.addErrorMsg( mw.ustring.format( texts.unknownParams, table.concat( wrongParams, ', ' ) ) )
	end
	return args
end

-- check parameter values
local function checkValues( args )
	local i, key, value
	local wrong = {}
	local aType = args.type

	if aType == 'web' and not cu.isSet( args.title ) and not cu.isSet( args.url ) then
		title = texts.noTitle
		cu.addErrorMsg( texts.noTitleUrl )
	elseif not cu.isSet( args.title ) then
		title = texts.noTitle
		cu.addErrorMsg( texts.unknownTitle )
	end

	args.pages = cu.cleanupPageNumbers( args.pages )
	args.columns = cu.cleanupPageNumbers( args.columns )

	if cu.isSet( args.KBytes ) and cu.isSet( args.MBytes ) then
		args.MBytes = ''
		cu.addErrorMsg( texts.KBytesMBytes )
	end

	args.ignoreError = yn( args.ignoreError, false )
	if args.ignoreError then
		args.ignoreError = 'true'
	else
		args.ignoreError = 'false'
	end

	if cu.isSet( args.date ) then
		if args.date:match( '^[12]%d%d%d%-[01]?%d%-[0123]?%d$' ) then
			dateFormat = 'j. F Y'
		elseif args.date:match( '^[12]%d%d%d%-[01]?%d$' ) then
			dateFormat = 'M Y'
		elseif args.date:match( '^[12]%d%d%d$' ) then
			dateFormat = 'Y'
		else
			args.date = args.date:match( '%d+' ) or ''
			if cu.isSet( args.date ) then
				i = tonumber( args.date )
				if i >= 1000 and i < 2100 then
					dateFormat = 'Y'
				else
					args.date = ''
					cu.addErrorMsg( texts.wrongDate )
				end
			end
		end
	end
	for key, value in ipairs( { 'accessDate', 'archiveDate' } ) do
		if cu.isSet( args[ value ] ) and
			not args[ value ]:match( '^20%d%d%-[01]?%d%-[0123]?%d$' ) then
			args[ value ] = ''
			cu.addErrorMsg( texts.wrongDate )
		end
	end

	for key, value in ipairs( { 'url', 'articleUrl', 'archiveUrl' } ) do
		if cu.isSet( args[ value ] ) and uc.isUrl( args[ value ] ) > 2 then
			args[ value ] = ''
			cu.addErrorMsg( texts.noURL )
		end
	end
	-- copying for historical reasons
	if aType == 'journal' then
		args.siteUrl = args.url
	end
	if aType == 'journal' then
		args.url = args.articleUrl
	end
	args.urlStatus = cu.getKey( args.urlStatus, urlStates )
	if not cu.isSet( args.urlStatus ) and cu.isSet( args.archiveUrl ) then
		args.urlStatus = 'dead'
	elseif not cu.isSet( args.urlStatus ) then
		args.urlStatus = 'live'
	end
	if args.urlStatus == 'dead' then
		args.originalUrl = args.url
		args.url = args.archiveUrl
		args.archiveUrl = ''
	elseif args.urlStatus == 'usurped' then
		args.url = args.archiveUrl
		args.archiveUrl = ''
	end

	for key, value in ipairs( { 'dnb', 'oclc', 'jstor', 'KBytes' } ) do
		if cu.isSet( args[ value ] ) and not args[ value ]:match( '^%d+$' ) then
			args[ value ] = ''
			table.insert( wrong, value )
		end
	end

	if cu.isSet( args.doi ) and not mw.ustring.match( args.doi, '^10%.%d+/.+$' ) then
		args.doi = ''
		table.insert( wrong, 'doi' )
	end

	if cu.isSet( args.edition ) then
		args.edition = args.edition:match( '%d+' ) or ''
		if args.edition == '1' then
			args.edition = ''
		end
	end

	if cu.isSet( args.type ) and args.type ~= 'map' then
		args.scale = ''
	end

	if #wrong == 1 then
		cu.addErrorMsg( mw.ustring.format( texts.wrongValue, wrong[ 1 ] ) )
	elseif #wrong > 1 then
		cu.addErrorMsg( mw.ustring.format( texts.wrongValues, table.concat( wrong, ', ' ) ) )
	end
end

local function makeIssnLink( issn, ignoreError )
	local text = ''
	if ignoreError ~= 'true' then
		text = texts.wrongIssn
	end
	return formatters.dbIssn:gsub( 'xx1xx', issn )
		.. cx.check_issn( { args = { [ 1 ] = issn, error = text } } )
end

-- make author part
local function makeAuthor( author, editor )
	if cu.isSet( editor ) then
		editor = mw.ustring.format( formatters.auEditor, editor )
	end
	if cu.isSet( author ) and cu.isSet( editor ) then
		author = mw.ustring.format( formatters.auAuthorEditor, author, editor )
	elseif not cu.isSet( author ) and cu.isSet( editor ) then
		author = editor
	end
	if cu.isSet( author ) then
		return mw.ustring.format( formatters.auAuthor, author )
	else
		return ''
	end
end

-- make title part
local function makeTitle( title, volume, url, scale )
	if not cu.isSet( title ) then
		title = texts.noTitle
		cu.addErrorMsg( texts.unknownTitle )
	end
	if cu.isSet( url ) then
		title = title:gsub( '[%[%]]', '' )
		title = '[' .. url .. ' ' .. title .. ']'
	end
	
	if cu.isSet( volume ) then
		title = mw.ustring.format( formatters.tiVolume, title, volume )
	else
		title = mw.ustring.format( formatters.tiTitle, title )
	end
	title = mw.ustring.format( formatters.tiAll, title )
	if cu.isSet( scale ) then
		title = title .. mw.ustring.format( formatters.tiScale, scale )
	end
	return title
end

-- make publisher part for books
local function makePublisher( args, tab )
	local theDate = ''
	if cu.isSet( args.date ) then
		if cu.isSet( dateFormat ) and dateFormat ~= 'Y' then
			dateFormat = 'M Y'
		end
		theDate = cu.getDate( args.date, dateFormat, texts.wrongDate )
	end

	local published = ''

	if cu.isSet( theDate ) and cu.isSet( args.edition ) then
		theDate = mw.ustring.format( formatters.puDateEdition, theDate, args.edition )
	end
	if cu.isSet( args.place ) and cu.isSet( args.publisher ) then
		published = mw.ustring.format( formatters.puPlacePub, args.place, args.publisher )
	elseif cu.isSet( args.place ) then
		published = args.place
	elseif cu.isSet( args.publisher ) then
		published = args.publisher
	end
	if not cu.isSet( published ) then
		published = theDate
	elseif cu.isSet( theDate ) then
		published = mw.ustring.format( formatters.puPlaceDate, published, theDate )
	end
	if cu.isSet( published ) then
		table.insert( tab, published )
	end
end

-- make series part
local function makeSeries( args, tab )
	local key, value
	for key, value in ipairs( { 'series', 'series2', 'series3' } ) do
		if cu.isSet( args[ value ] ) then
			table.insert( tab, mw.ustring.format( formatters.tiSeries, args[ value ] ) )
		end
	end
end

local function makeIsbn( args, tab )
	if cu.isSet( args.isbn ) then
		table.insert( tab,
			li._linkISBNSet( { isbn = args.isbn, ignoreError = args.ignoreError } ) )
	elseif cu.isSet( args.dnb ) then
		table.insert( tab, mw.ustring.format( formatters.dbDnb, args.dnb, args.dnb ) )
	elseif cu.isSet( args.oclc ) then
		table.insert( tab, mw.ustring.format( formatters.dbOclc, args.oclc, args.oclc ) )
	end
	if cu.isSet( args.issn ) then
		table.insert( tab, makeIssnLink( args.issn, args.ignoreError ) )
	end
	if cu.isSet( args.eissn ) then
		table.insert( tab, makeIssnLink( args.eissn, args.ignoreError ) )
	end
end

local function makePages( args, tab )
	if cu.isSet( args.pages ) then
		table.insert( tab,
			mw.ustring.format( formatters.addPages, args.pages:gsub( '-', '–' ) ) )
	end
	if cu.isSet( args.columns ) then
		table.insert( tab,
			mw.ustring.format( formatters.addColumns, args.columns:gsub( '-', '–' ) ) )
	end
end

local function makeDoi( args, tab )
	if cu.isSet( args.extent ) then
		if args.extent:match( '^%d+$' ) then
			args.extent = mw.ustring.format( formatters.addExtent, args.extent )
		end
		table.insert( tab, args.extent )
	end
	if cu.isSet( args.doi ) then
		table.insert( tab,
			mw.ustring.format( formatters.dbDoi, cu.makeDoiLink( args.doi ) ) )
	end
	if cu.isSet( args.jstor ) then
		table.insert( tab,
			mw.ustring.format( formatters.dbJstor, args.jstor, args.jstor ) )
	end
end

local function makeWebInfo( args, tab )
	local kb, index, value
	if cu.isSet( args.url ) or cu.isSet( args.articleUrl ) or cu.isSet( args.archiveUrl ) then
		if cu.isSet( args.accessDate ) then
			args.accessDate = cu.getDate( args.accessDate, 'j. F Y', texts.wrongDate )
			if cu.isSet( args.accessDate ) then
				table.insert( tab,
					mw.ustring.format( formatters.wbAccess, args.accessDate ) )
			end
		end
		if cu.isSet( args.format ) then
			table.insert( tab, args.format:upper() )
		else
			for index, value in ipairs( { 'PDF' } ) do
				if cu.hasExtension( args.url, value ) then
					table.insert( tab, args.format )
					break
				end
				if cu.hasExtension( args.archiveUrl, value ) then
					table.insert( tab, args.format )
					break
				end
			end
		end
		if cu.isSet( args.KBytes ) then
			kb = tonumber( args.KBytes ) or 0
			if kb >= 1024 then
				table.insert( tab,
					mw.ustring.format( formatters.wbMBytes,
						tostring( cu.round( kb / 1024, 3 ) ):gsub( '%.', texts.decimalPoint ) ) )
			else
				table.insert( tab,
					mw.ustring.format( formatters.wbKBytes, args.KBytes ) )
			end
		elseif cu.isSet( args.MBytes ) then
			table.insert( tab,
				mw.ustring.format( formatters.wbMBytes, args.MBytes ) )
		end
	end
end

local function makeArchived( args )
	local archived = formatters.arArchived
	local original = formatters.arOriginal
	if cu.isSet( args.archiveUrl ) then
		archived = '[' .. args.archiveUrl .. ' ' .. archived .. ']'
	end
	if cu.isSet( args.originalUrl ) then
		original = '[' .. args.originalUrl .. ' ' .. original .. ']'
	end
	
	local day = '', result
	if cu.isSet( args.archiveDate ) then
		day = cu.getDate( args.date, 'l, j. F Y', texts.wrongDate )
	end
	if day ~= '' then
		result = mw.ustring.format( formatters.arArchiveDate, archived, original, day )
	else
		if cu.isSet( args.archiveDate ) then
			cu.addErrorMsg( texts.wrongDate )
		end
		result = mw.ustring.format( formatters.arArchive, archived, original )
	end
	return result
end

local function makeLanguageComment( args, result )
	if cu.isSet( args.language ) then
		result = result .. mw.ustring.format( formatters.addLanguage, args.language )
	end
	if result ~= '' then
		result = mw.ustring.format( formatters.puAll, result )
	end
	if cu.isSet( args.archiveUrl ) or cu.isSet( args.originalUrl ) 
		or args.urlStatus == 'usurped' then
		result = result .. makeArchived( args )
	end
	if cu.isSet( args.comment ) then
		result = result .. mw.ustring.format( formatters.addComment, args.comment )
	end
	return result
end

local function makePublished( args )
	result = {}
	makePublisher( args, result )
	makeSeries( args, result )
	makeIsbn( args, result )
	if cu.isSet( args.chapter ) then
		table.insert( result, mw.ustring.format( formatters.tiChapter, args.chapter ) )
	end
	makePages( args, result )
	if #result > 0 then
		result = { table.concat( result, formatters.addDelimiter1 ) }
	end

	makeDoi( args, result )
	makeWebInfo( args, result )
	result = table.concat( result, formatters.addDelimiter2 )

	return makeLanguageComment( args, result )
end

local function makeBook( args )
	local author, title
	
	if args.type == 'map' or args.type == 'book' then
		author = makeAuthor( args.author, args.editor )
		title = makeTitle( args.title, args.volume, args.url, args.scale )
	else
		author = makeAuthor( '', args.editor )
		title = makeTitle( args.collection, args.volume, args.url, args.scale )
	end
	return author .. title .. makePublished( args )
end

local function makeCollection( args )
	local author, collection, editor, title

	author = makeAuthor( args.author, '' )
	title = makeTitle( args.title, args.volume, args.url, '' )
	editor = makeAuthor( '', args.editor )
	collection = makeTitle( args.collection, args.volume, args.siteUrl, '' )

	return author .. title .. formatters.tiIn .. editor .. collection
		.. makePublished( args )
end

local function makeJournalTitle( args )
	local title
	if args.type == 'journal' then
		title = args.journal
	elseif args.type == 'newspaper' then
		title = args.newspaper
	else
		title = args.website
	end
	if title == '' then
		title = texts.noTitel
		cu.addErrorMsg( texts.unknownPeriodical )
	else
		title = mw.ustring.format( formatters.tiTitle, title )
	end
	if cu.isSet( args.siteUrl ) then
		title = title:gsub( '[%[%]]', '' )
		title = '[' .. args.siteUrl .. ' ' .. title .. ']'
	end
	if cu.isSet( args.place ) then
		title = title .. mw.ustring.format( formatters.prPlace, args.place )
	end
	if cu.isSet( args.abbr ) then
		title = title .. mw.ustring.format( formatters.prAbbr, args.abbr )
	end
	return title
end

local function makeJournalInfo( args, tab )
	local year = ''
	if cu.isSet( args.date ) then
		year = cu.getDate( args.date, dateFormat, texts.wrongDate )
	end
	local volume = ''
	if cu.isSet( args.volume ) then
		volume = mw.ustring.format( formatters.prVolume, args.volume )
		if cu.isSet( args.issue ) then
			volume = mw.ustring.format( formatters.prVolIssue, volume, args.issue )
		end
		if year ~= '' then
			volume = mw.ustring.format( formatters.prVolYear, volume, year )
		end
	else
		if cu.isSet( args.issue ) then
			volume = mw.ustring.format( formatters.prIssue, args.issue )
			if year ~= '' then
				volume = mw.ustring.format( formatters.prVolYear, volume, year )
			end
		else
			volume = year
		end
	end
	if volume ~= '' then
		table.insert( tab, volume )
	end
end

local function makeNewspaperInfo( args, tab )
	if cu.isSet( args.publisher ) then
		table.insert( tab, args.publisher )
	end
	if cu.isSet( args.volume ) then
		table.insert( tab,
			mw.ustring.format( formatters.nsVolume, args.volume ) )
	end
	if cu.isSet( args.issue ) then
		table.insert( tab,
			mw.ustring.format( formatters.prIssue, args.issue ) )
	end

	local day = ''
	if cu.isSet( args.date ) then
		if dateFormat == 'j. F Y' then
			-- following result can be ''
			day = cu.getDate( args.date, 'l, j. F Y', texts.wrongDate )
		else
			cu.addErrorMsg( texts.wrongDate )
		end
	end
	if day ~= '' then
		table.insert( tab, day )
	end
end

local function makePeriodical( args )
	local result = { makeAuthor( args.author, '' )
		.. makeTitle( args.title, '', args.url, '' ) .. formatters.tiIn
		.. makeJournalTitle( args ) }

	makeIsbn( args, result )
	if args.type == 'journal' then
		makeJournalInfo( args, result )
	else -- newspaper and web
		makeNewspaperInfo( args, result )
	end
	makePages( args, result )
	makeDoi( args, result )
	makeWebInfo( args, result )
	result = table.concat( result, formatters.addDelimiter1 )

	return makeLanguageComment( args, result )
end

local function makeCitation( frameArgs )
	local args, citation
	args = getValidArgs( frameArgs )
	checkValues( args )

	if args.type == 'map' or args.type == 'book' then
		citation = makeBook( args )
	elseif args.type == 'collection' then
		citation = makeCollection( args )
	elseif args.type == 'journal' or args.type == 'newspaper'
		or args.type == 'web' then
		citation = makePeriodical( args )
	else
		args.type = 'book'
		citation = texts.wrongType .. makeBook( args )
	end

	citation = cu.finalCleanup( citation )
	cc.prepareForCOinS( args )

	return cu.getErrorMsgs()
		.. '<cite style="font-style: normal;" class="citation ' .. args.type
		.. ' printNoLink">' .. citation .. '</cite>'
		.. cc.makeCOinS( args, params )
end

function ct.citation( frame )
	local fType = frame.args.type
	local args = frame:getParent().args

	if cu.isSet( fType ) then
		args.type = fType
	else
		args.type = cu.getKey( cu.getArgValue( params, 'type', args ), refTypes )
	end
	if not cu.isSet( args.type ) then
		if cu.getArgValue( params, 'scale', args ) ~= '' then
			args.type = 'map'
		elseif cu.getArgValue( params, 'collection', args ) ~= '' then
			args.type = 'collection'
		elseif cu.getArgValue( params, 'journal', args ) ~= '' then
			args.type = 'journal'
		elseif cu.getArgValue( params, 'newspaper', args ) ~= '' then
			args.type = 'newspaper'
		elseif cu.getArgValue( params, 'website', args ) ~= '' then
			args.type = 'web'
		else
			args.type = 'book'
		end
	end
	return makeCitation( args )
end

return ct