Module:cite Q

-- Version: 2021-10-19

local p = {}

require('strict')

local wdib = require('Module:WikidataIB')

local getValue = wdib._getValue

local getPropOfProp = wdib._getPropOfProp

local followQid = wdib._followQid

local getPropertyIDs = wdib._getPropertyIDs

local i18n = {

["unknown-author"] = mw.wikibase.getLabel("Q4233718"):gsub("^%l", mw.ustring.upper),

["unknown-author-trackingcat"] = "", -- Category:Cite Q - author unknown removed as misplaced; someone is welcome to restore it if it is placed outside of the template parameter value

["ordinal"] = {

[1] = "st",

[2] = "nd",

[3] = "rd",

["default"] = "th"

},

["months"] = {

"January", "February", "March", "April", "May", "June",

"July", "August", "September", "October", "November", "December"

},

}

-------------------------------------------------------------------------------

-- makeOrdinal needs to be internationalised along with the above i18n

-- takes cardinal number as a numeric and returns the ordinal as a string

-- we need three exceptions in English for 1st, 2nd, 3rd, 21st, .. 31st, etc.

-------------------------------------------------------------------------------

p.makeOrdinal = function(cardinal)

local card = tonumber(cardinal)

if not card then return cardinal end

local ordsuffix = i18n.ordinal.default

if card % 10 == 1 then

ordsuffix = i18n.ordinal[1]

elseif card % 10 == 2 then

ordsuffix = i18n.ordinal[2]

elseif card % 10 == 3 then

ordsuffix = i18n.ordinal[3]

end

-- In English, 1, 21, 31, etc. use 'st', but 11, 111, etc. use 'th'

-- similarly for 12 and 13, etc.

if (card % 100 == 11) or (card % 100 == 12) or (card % 100 == 13) then

ordsuffix = i18n.ordinal.default

end

return card .. ordsuffix

end

-- Table of simple properties that can be fetched in roughly the same way:

-- id = PXXX

-- maxvals = maximum number of multiple values (0 for all)

-- linked = "no" suppresses linking

-- populate_from_journal = true/false determines whether to look in a journal where the source is published

-- rank = "best", "preferred", normal, etc. determines how Wikidata ranks are treated

-- others = true - the value for the property goes to "others" section

local simple_properties = {

publisher = {id = "P123", maxvals = 1},

oclc = {id = "P243", maxvals = 1},

['publication-place'] = {id = "P291", maxvals = 0, linked = 'no'}, -- publication place (don't put into |place=; is treated specially in {{citation}} if both are given)

doi = {id = "P356", maxvals = 1}, -- take care of |doi-broken-date= (WD "reason for deprecation"/"stated as") and |doi-access= (WD "access status")?

issue = {id = "P433", maxvals = 0, populate_from_journal = true}, -- distinguish from |number= ("P1545"?) if both are given (still blocked by {{citation}}, but will be supported in the future)

pmid = {id = "P698", maxvals = 1},

-- gbooks = {id = "P675", maxvals = 1}, -- to be added to {{citation}}

-- ia = {id = "P724", maxvals = 1}, -- to be added to {{citation}}

arxiv = {id = "P818", maxvals = 1},

bibcode = {id = "P819", maxvals = 1}, -- take care of |bibcode-access=?

jstor = {id = "P888", maxvals = 1}, -- take care of |jstor-access=?

mr = {id = "P889", maxvals = 1},

rfc = {id = "P892", maxvals = 1},

zbl = {id = "P894", maxvals = 1},

ssrn = {id = "P893", maxvals = 1},

place = {id = "P1071", maxvals = 0, linked = 'no'}, -- written-at place

-- ['total-pages'] = {id = "P1104", maxvals = 0, linked = 'no'}, -- to be added to {{citation}} / COinS &rft.tpages=

-- coden = {id = "P1159", maxvals = 1}, -- to be added to {{citation}} / COinS &rft.coden=

s2cid = {id = "P8299", maxvals = 1}, -- take care of |s2cid-access=?

pmc = {id = "P932", maxvals = 1}, -- take care of |pmc-embargo-date= (WD "reason for deprecation")?

lccn = {id = "P1144", maxvals = 1},

hdl = {id = "P1184", maxvals = 1}, -- take care of |hdl-access=?

ismn = {id = "P1208", maxvals = 1},

journal = {id = "P1433", maxvals = 1},

citeseerx = {id = "P3784", maxvals = 1},

osti = {id = "P3894", maxvals = 1}, -- take care of |osti-access=?

biorxiv = {id = "P3951", maxvals = 1},

asin = {id = "P5749", maxvals = 1}, -- What about |asin-tld=? (WD examples resolve to .com at present, but may change)

-- ['catalog-number'] = {id = "P528", maxvals = 0}, -- to be added to {{citation}} / COinS &rft.artnum=

isbn = {id = "P212", maxvals = 1, populate_from_journal = true}, -- ISBN 13

issn = {id = "P236", maxvals = 1, populate_from_journal = true}, -- distinguish from |eissn= for electronic issues?

-- jfm = {id = "P?", maxvals = 1}, -- Jahrbuch über die Fortschritte der Mathematik (not Zbl)

-- sbn = {id = "P?", maxvals = 1}, -- Standard Book Number (predecessor of ISBN, not ICCU)

-- message-id = {id = "P?", maxvals = 1}, -- Usenet message ID

chapter = {id = "P792", maxvals = 1},

['publication-date'] = {id = "P577", maxvals = 1, populate_from_journal = true}, -- publication date (don't use |date=; is treated specially in {{citation}} if both are given.)

series = {id = "P179", maxvals = 1, populate_from_journal = true},

version = {id = "P348", maxvals = 0},

edition = {id = "P393", maxvals = 0},

volume = {id = "P478", maxvals = 0, populate_from_journal = true},

-- part = {id = "P1545"?, maxvals = 0}, -- to be added to {{citation}} / COinS &rft.part=

title = {id = "P1476", rank="p n"},

-- url = {id = "P953", maxvals = 1}, -- deal with this along with archive-url

pages = {id = "P304", maxvals = 0, populate_from_journal = true},

at = {id = "P958", maxvals = 0, populate_from_journal = true}, -- also incorporate lines (P7421) and columns (P3903) into this (cite map also supports |section=)

-- sheets = {id = "P7416", maxvals = 0, populate_from_journal = true},

-- interviewer = {id = "P?", maxvals = 0}, -- does **not** go to "others" section! Multiple interviewers should be n-enumerated

illustrator = {id = "P110", maxvals = 10, others = true}, -- goes to "others" section

-- foreword and afterword, when contributions to another author's work, are contributions so belong in |contribution=;

-- the writer's name goes in |contributor=; requires |title= and |author=

-- However, this might need to add support for multiple contributors and their roles to {{citation}}, see Help_talk:Citation_Style_1#Others

-- foreword = {id = "P2679", maxvals = 10, others = true}, -- goes to "others" section

-- afterword = {id = "P2680", maxvals = 10, others = true}, -- goes to "others" section

composer = {id = "P86", maxvals = 10, others = true}, -- goes to "others" section

animator = {id = "P6942", maxvals = 10, others = true}, -- goes to "others" section

director = {id = "P57", maxvals = 10, others = true}, -- goes to "others" section

screenwriter = {id = "P58", maxvals = 10, others = true}, -- goes to "others" section

signatory = {id = "P1891", maxvals = 10, others = true}, -- goes to "others" section

presenter = {id = "P371", maxvals = 10, others = true}, -- goes to "others" section

performer = {id = "P175", maxvals = 10, others = true}, -- goes to "others" section

}

--[[--------------------------< I S _ S E T >--------------------------------------------------------------

Returns true if argument is set; false otherwise. Argument is 'set' when it exists (not nil) or when it is not an empty string.

]]

local function is_set( var )

return not (var == nil or var == '')

end

--[[--------------------------< I N _ A R R A Y >--------------------------------------------------------------

Whether needle is in haystack (taken from Module:Citation/CS1/Utilities)

]]

local function in_array( needle, haystack )

if needle == nil then

return false

end

for n, v in ipairs( haystack ) do

if v == needle then

return n

end

end

return false

end

--[[--------------------------< A C C E P T _ V A L U E >-------------------------------------------------------

Accept WD value by framing in ((...)) if param_val is equal to keyword; else pass-through WD value as is.

]]

local function accept_value( param_val, wd_val )

local val = param_val

if val then

if in_array (val, {'accept', '))((', ':d:'}) then

val = '((' .. wd_val .. '))'

elseif '((accept))' == val then

val = 'accept'

elseif '(())(())' == val then

val = '))(('

elseif '((:d:))' == val then

val = ':d:'

else

val = wd_val

end

end

return val

end

-- function to fetch a value to display

local function makelink(v, out, link, maxpos, wdl)

local label

if v.mainsnak.snaktype == "value" then

if v.mainsnak.datatype == "wikibase-item" then

local qnumber = v.mainsnak.datavalue.value.id

local sitelink = mw.wikibase.getSitelink(qnumber)

if qnumber == "Q2818964" then sitelink = nil end -- suppress link to "Various authors"

if v.qualifiers and v.qualifiers.P1932 then

label = v.qualifiers.P1932[1].datavalue.value

else

label = mw.wikibase.getLabel(qnumber)

if label then

label = mw.text.nowiki(label)

else

label = qnumber -- should add tracking category

end

end

local position = maxpos + 1 -- Default to 'next' author.

-- use P1545 (series ordinal) instead of default position.

if v["qualifiers"] and v.qualifiers["P1545"] and v.qualifiers["P1545"][1] then

position = tonumber(v.qualifiers["P1545"][1].datavalue.value)

end

maxpos = math.max(maxpos, position)

if sitelink then

-- just the plain name,

-- but keep a record of the links, using the same index

out[position] = label

link[position] = sitelink

else

if wdl then

-- show that there's a Wikidata entry available

out[position] = "" .. label .. " File:Wikidata-logo.svg"

else

-- no Wikidata links wanted, so just give the plain label

out[position] = label

end

end

elseif v.mainsnak.datatype == "string" then

local position = maxpos + 1 -- Default to 'next' author.

-- use P1545 (series ordinal) instead of default position.

if v["qualifiers"] and v.qualifiers["P1545"] and v.qualifiers["P1545"][1] then

position = tonumber(v.qualifiers["P1545"][1].datavalue.value)

end

maxpos = math.max(maxpos, position)

out[position] = v.mainsnak.datavalue.value

else

-- not a wikibase-item or a string!

end

else

-- code here if we want to return something when author is "unknown"

if v.qualifiers and v.qualifiers.P1932 then

label = v.qualifiers.P1932[1].datavalue.value

else

label = i18n["unknown-author"] .. (i18n["unknown-author-trackingcat"] or "")

end

maxpos = maxpos + 1

out[maxpos] = label

end

return maxpos

end

--[=[-------------------------< G E T _ N A M E _ L I S T >----------------------------------------------------

get_name_list -- adapted from getAuthors code taken from Module:RexxS

arguments:

nl_type - type of name list to fetch: nl_type = 'author' for authors; 'editor' for editors; 'translator' for translators

args - pointer to the parameter arguments table from the template call

qid - value from |qid= parameter; the Q-id of the source (book, etc.) in qid

wdl - value from the |wdl= parameter; a Boolean passed to enable links to Wikidata when no article exists

returns nothing; modifies the args table

]=]

local function get_name_list (nl_type, args, qid, wdl)

local propertyID = "P50"

local fallbackID = "P2093" -- author name string

if nl_type =="author" then

propertyID = 'P50' -- for authors

fallbackID = 'P2093' -- author-string

elseif nl_type =="editor" then

propertyID = 'P5769' -- "editor-in-chief"

fallbackID = 'P98' -- for editors - So-called "fallbacks" are actually a second set of properties processed

-- TBD. Take book series editors into account as well (if they have a separate P code as well)?

elseif nl_type == "translator" then

propertyID = 'P655' -- for translators

fallbackID = nil

-- elseif 'contributor' == nl_type then

-- f.e. author of forewords (P2679) and afterwords (P2680); requires |contribution=, |title= and |author=

-- propertyID = 'P' -- for contributors

-- fallbackID = nil

else

return -- not specified so return

end

-- wdl is a Boolean passed to enable links to Wikidata when no article exists

-- if "false" or "no" or "0" is passed set it false

-- if nothing or an empty string is passed set it false

if wdl and (#wdl > 0) then

wdl = wdl:lower()

wdl = in_array (wdl, {"false", "no", "0"})

else

-- wdl is empty, so

wdl = false

end

local props = nil

local fallback = nil

if mw.wikibase.entityExists(qid) then

props = mw.wikibase.getAllStatements(qid, propertyID)

if props and fallbackID then

fallback = mw.wikibase.getAllStatements(qid, fallbackID)

end

end

-- Make sure it actually has at least one of the properties requested

if not (props and props[1]) and not (fallback and fallback[1]) then

return nil

end

-- So now we have something to return:

-- table 'out' is going to store the names(s):

-- and table 'link' will store any links to the name's article

local out = {}

local link = {}

local maxpos = 0

if props and props[1] then

for k, v in pairs(props) do

maxpos = makelink(v, out, link, maxpos, wdl)

end

end

if fallback and fallback[1] then

-- second properties

for k, v in pairs(fallback) do

maxpos = makelink(v, out, link, maxpos, wdl)

end

end

-- if there's anything to return, then insert the additions in the template arguments table

-- in the form |author1=firstname secondname |author2= ...

-- Renumber, in case we have inconsistent numbering

local keys = {}

for k, v in pairs(out) do

keys[#keys + 1] = k

end

table.sort(keys) -- as they might be out of order

for i, k in ipairs(keys) do

out[k] = out[k]:gsub (''', '\''); -- prevent cs1|2 multiple names categorization; replace html entity with the actual character

mw.log(i .. " " .. k .. " " .. (out[k]))

if args[nl_type .. i] then -- name gets overwritten

-- pull corresponding -link only if overwritten name is same as WD name

if link[k] and (args[nl_type .. i] == out[k]) then

args[nl_type .. '-link' .. i] = args[nl_type .. '-link' .. i] or link[k] -- author-linkn or editor-linkn

end

else -- name does not get overwritten, so pull name from WD

args[nl_type .. i] = out[k]

if link[k] then

args[nl_type .. '-link' .. i] = args[nl_type .. '-link' .. i] or link[k] -- author-linkn or editor-linkn

end

end

end

end

-- gets language codes used for a monolingual text property as a table

function p._getLangOfProp(qid, pid)

if not pid then return {} end

local out = {}

local props = mw.wikibase.getAllStatements(qid, pid)

for i, v in ipairs(props) do

if v.mainsnak.datatype == "monolingualtext" and v.mainsnak.datavalue then

out[#out + 1] = v.mainsnak.datavalue.value.language

end

end

return out

end

function p.getLangOfProp(frame)

local pid = frame.args.pid or mw.text.trim(frame.args[1] or "")

if pid == "" then return end

local qid = frame.args.qid

if qid == "" then qid = nil end

return table.concat(p._getLangOfProp(qid, pid), ", ")

end

-- gets the language codes of a Wikidata entry as a table

local function _lang_code(qid)

local lc = getPropOfProp( {qid = qid, prop1 = "P407", prop2 = "P424", ps = 1} )

if lc then return mw.text.split( lc, "[, ]+" ) end

lc = getPropOfProp( {qid = qid, prop1 = "P407", prop2 = "P218", ps = 1} )

if lc then return mw.text.split( lc, "[, ]+" ) end

return p._getLangOfProp(qid, "P1476")

end

function p.lang_code(frame)

return table.concat(_lang_code(frame.args.qid or mw.text.trim(frame.args[1] or "")), ", ")

end

-- export for debug

function p.getPropOfProp(frame)

return getPropOfProp(frame.args)

end

-- wraps a string in nowiki unless disable flag is set

local function wrap_nowiki(str, disable)

if disable then return str or '' end

return mw.text.nowiki(str or '')

end

-- sort sequence table whose values are key-value pairs by key

local function comp_key(a, b)

return a[1] < b[1]

end

-- sort sequence table whose values are key-value pairs by value

local function comp_val(a, b)

return a[2] < b[2]

end

--[[-------------------------< C I T E _ Q >------------------------------------------------------------------

Takes standard CS1|2 template parameters and passes all to {{citation}}. If neither of |author= and |author1=

are set, calls get_authors() to try to get an author name-list from Wikidata. The result is passed to

{{citation}} for rendering.

--]]

function p._cite_q (citeq_args)

local frame = mw.getCurrentFrame()

-- parameters that don't get passed to Citation

local expand = citeq_args.expand -- when set to anything, causes {{cite q}} to render {{citation|...}}

local qid = citeq_args.qid or citeq_args[1]

local wdl = citeq_args.wdl

local template = citeq_args.template

citeq_args.expand = nil

citeq_args[1] = nil

citeq_args.qid = nil

citeq_args.wdl = nil

citeq_args.template = nil

-- if title supplied, flag to not read html title

local titleforced = (citeq_args.title ~= nil)

local oth = {}

-- put the language codes into a sequential table langcodes[]

local langcodes = {}

if citeq_args.language then

-- check these are a supported language codes

for lc in mw.text.gsplit( citeq_args.language, "[, ]+", false ) do

langcodes[#langcodes+1] = mw.language.isSupportedLanguage(citeq_args.language) and citeq_args.language

end

end

if not langcodes[1] then

-- try to find language of work

langcodes = _lang_code(qid)

end

if not langcodes[1] then

-- try fallback to journal's language

local journal_qid = followQid({qid = qid, props = "P1433"})

langcodes = journal_qid and _lang_code(journal_qid)

end

citeq_args.language = citeq_args.language or table.concat(langcodes, ", ")

-- loop through list of simple properties and get their values in citeq_args

for name, data in pairs(simple_properties) do

citeq_args[name] = getValue( {data.id, fwd = "ALL", osd = "no", noicon = "true", qid = qid, maxvals = data.maxvals, linked = data.linked, rank = data.rank or "best", citeq_args[name] } )

if data.populate_from_journal then

local publishedin = getValue( {"P1433", ps = 1, qid = qid, maxvals = 0, citeq_args[name], qual = data.id, qualsonly = 'yes'} )

citeq_args[name] = publishedin or getPropOfProp({qid = qid, prop1 = "P1433", prop2 = data.id, maxvals = data.maxvals, ps = 1})

end

if citeq_args[name] and citeq_args[name]:find('Category:Articles with missing Wikidata information', 1, true) then

-- try fallback to work's native language

citeq_args[name] = getValue( {data.id, ps = 1, qid = qid, maxvals = data.maxvals, linked = "no", lang = langcodes[1] } )

if citeq_args[name]:find('^Q%d+$') then -- qid was returned

-- try fallback to qid's native language

local qid_languages = _lang_code(citeq_args[name])

citeq_args[name] = getValue( {data.id, ps = 1, qid = qid, maxvals = data.maxvals, linked = "no", lang = qid_languages[1] } )

if citeq_args[name]:find('^Q%d+$') then -- qid was returned again

citeq_args[name] = nil

else

-- record the language found if no lang specified

citeq_args.language = citeq_args.language or qid_languages[1]

end

end

end

if data.others then

oth[#oth + 1] = citeq_args[name] and (name:gsub("^%l", string.upper) .. ": " .. citeq_args[name])

citeq_args[name] = nil

end

end

citeq_args.others = citeq_args.others or table.concat(oth, ". ")

if citeq_args.others == "" then

citeq_args.others = nil

end

citeq_args.journal = citeq_args.journal and citeq_args.journal:gsub("^", ""):gsub("$", ""):gsub("|", "|"):gsub("]]", "]]")

citeq_args.ol = (getValue( {"P648", ps = 1, qid = qid, maxvals = 1, citeq_args.ol } ) or ''):gsub("^OL(.+)$", "%1")

if citeq_args.ol == "" then

citeq_args.ol = nil

end

-- TBD. Take care of |ol-access=?

citeq_args.biorxiv = citeq_args.biorxiv and ("10.1101/" .. citeq_args.biorxiv)

citeq_args.isbn = getValue( {"P957", ps = 1, qid = qid, maxvals = 1, rank="best", citeq_args.isbn } ) -- try ISBN 10 (only one value accepted)

-- if url then see if there's an archive: citeq_args.url

local url

if not citeq_args.url then

for i, pr in ipairs( {"P953", "P856", "P2699"} ) do

url = getValue( {pr, ps = 1, qid = qid, maxvals = 1, qual="P1065" } )

if url then

citeq_args.url = mw.text.split( url, " (", true )[1]

local arcurl = mw.ustring.match( url, " %((.*)%)" ) -- when there is an archive url, holds: url(archive url); here extract the archive url if present

if arcurl then

local arcy, arcm, arcd = arcurl:match("(20%d%d)%p?(%d%d)%p?(%d%d)")

if arcy and arcm and arcd then

citeq_args["archive-url"] = arcurl

citeq_args["archive-date"] = tonumber(arcd) .. " " .. i18n.months[tonumber(arcm)] .. " " .. arcy

end

end

break

end

end

end

if citeq_args.publisher == "Unknown" then -- look for "stated as" (P1932)

local stated_as = getValue( {"P123", ps = 1, qid = qid, maxvals = 1, qual="P1932", qo="y"} )

if stated_as then citeq_args.publisher = stated_as end

end

if not titleforced then

-- Handle subtitle.

if citeq_args.title then

local subtitle = mw.wikibase.getBestStatements (qid, 'P1680');

if 0 ~= #subtitle then

subtitle = subtitle[1].mainsnak.datavalue.value.text;

citeq_args.title = citeq_args.title .. ": " .. subtitle

end

end

local htmltitle = getValue( {"P1476", qual = "P6833", ps = 1, qid = qid, maxvals = 1, qo = "y"} )

if htmltitle then

citeq_args.title = htmltitle:gsub("", "''")

else

local title_display = citeq_args.title

or mw.wikibase.getLabel(qid)

or (langcodes[1] and mw.wikibase.getLabelByLang(qid, langcodes[1]))

or ("No label or title -- debug: " .. qid)

if citeq_args.url then

citeq_args.title = wrap_nowiki(title_display)

else

local slink = mw.wikibase.getSitelink(qid)

local slink_flag = false

local wrap_title = ''

local wslink = false

if not slink then

-- See if we have wikisource

if not citeq_args.url then

local wikisource_sitelink = mw.wikibase.getSitelink(qid, "enwikisource") or nil

if wikisource_sitelink then

slink = ':s:'..wikisource_sitelink

wslink = true

end

end

end

if citeq_args.title then

if slink then

wrap_title = wrap_nowiki(citeq_args.title)

slink_flag = true

else

citeq_args.title = wrap_nowiki(citeq_args.title)

end

else

if slink and not wslink then

if slink:lower() == title_display:lower() then

citeq_args.title = '' .. slink .. ''

else

wrap_title = wrap_nowiki(slink:gsub("%s%(.+%)$", ""):gsub(",.+$", ""))

slink_flag = true

end

elseif wslink then

wrap_title = wrap_nowiki(title_display)

slink_flag = true

else

citeq_args.title = wrap_nowiki(title_display)

end

end

if slink_flag then

if slink == wrap_title and not wslink then -- direct link

citeq_args.title = '' .. slink .. ''

else -- piped link

citeq_args.title = '' .. wrap_title .. ''

end

end

end

end

end

-- TBD: incorporate |at, |sheets= and |sheet= here as well

-- Sort out what should happen if several of them are given at the same time

if citeq_args.page or citeq_args.p then -- let single take precedence over multiple

citeq_args.pages = nil

citeq_args.pp = nil

end

if citeq_args.pages then

local _, count = string.gsub(citeq_args.pages, "[,;%s]%d+", "")

if count == 1 then

citeq_args.page = citeq_args.pages

citeq_args.pages = nil

end

end

if is_set (qid) then

if not is_set (citeq_args.author) and not is_set (citeq_args.author1)

and not is_set (citeq_args.subject) and not is_set (citeq_args.subject1)

and not is_set (citeq_args.host) and not is_set (citeq_args.host1)

and not is_set (citeq_args.last) and not is_set (citeq_args.last1)

and not is_set (citeq_args.surname) and not is_set (citeq_args.surname1)

and not is_set (citeq_args['author-last']) and not is_set (citeq_args['author-last1']) and not is_set (citeq_args['author1-last'])

and not is_set (citeq_args['author-surname']) and not is_set (citeq_args['author-surname1']) and not is_set (citeq_args['author1-surname1']) then -- if neither are set, try to get authors from Wikidata

get_name_list ('author', citeq_args, qid, wdl) -- modify citeq_args table with authors from Wikidata

end

if not is_set (citeq_args.editor) and not is_set (citeq_args.editor1)

and not is_set (citeq_args['editor-last']) and not is_set (citeq_args['editor-last1']) and not is_set (citeq_args['editor1-last'])

and not is_set (citeq_args['editor-surname']) and not is_set (citeq_args['editor-surname1']) and not is_set (citeq_args['editor1-surname']) then -- if neither are set, try to get editors from Wikidata

get_name_list ('editor', citeq_args, qid, wdl) -- modify citeq_args table with editors from Wikidata

end

if not is_set (citeq_args.translator) and not is_set (citeq_args.translator1)

and not is_set (citeq_args['translator-last']) and not is_set (citeq_args['translator-last1']) and not is_set (citeq_args['translator1-last'])

and not is_set (citeq_args['translator-surname']) and not is_set (citeq_args['translator-surname1']) and not is_set (citeq_args['translator1-surname']) then -- if neither are set, try to get translators from Wikidata

get_name_list ('translator', citeq_args, qid, wdl) -- modify citeq_args table with translators from Wikidata

end

end

for k, v in pairs(citeq_args) do

if in_array (v, {'(())', 'unset', 'ignore'}) or 'string' ~= type(k) then -- empty accept-as-is-written (()) markup to indicate an empty/unused parameter value, other ((...)) markups are deliberately passed down to {{citation}}

citeq_args[k] = nil

elseif in_array (v, {'((unset))', '((ignore))'}) then -- strip off markup for free-text values clashing with local keywords

citeq_args[k] = 'unset'

end

end

local author_count = 0

for k, v in pairs(citeq_args) do

if k:find("^author%d+$") then

author_count = author_count + 1

end

end

if author_count > 8 then -- convention in astronomy journals, optional mode for this?

if 'all' == citeq_args['display-authors'] then

citeq_args['display-authors'] = nil; -- unset because no longer needed

else

citeq_args['display-authors'] = citeq_args['display-authors'] or 3 -- limit to three displayed names

end

end

local editor_count = 0

for k, v in pairs(citeq_args) do

if k:find("^editor%d+$") then

editor_count = editor_count + 1

end

end

if editor_count > 8 then -- convention in astronomy journals, optional mode for this?

if 'all' == citeq_args['display-editors'] then

citeq_args['display-editors'] = nil; -- unset because no longer needed

else

citeq_args['display-editors'] = citeq_args['display-editors'] or 3 -- limit to three displayed names

end

end

-- change edition to ordinal if it's set and numeric

citeq_args.edition = citeq_args.edition and p.makeOrdinal(citeq_args.edition)

-- code to make a guess what template to use from the supplied parameters

-- (first draft for proof-of-concept)

if citeq_args.isbn then

template = template or "book"

citeq_args.asin = nil -- suppress ASIN if ISBN exists

elseif citeq_args.journal then

template = template or "journal"

elseif citeq_args.website then

template = template or "web"

end

-- template is CS1 designator: journal, web, news, etc.

if template then

-- citeq_args.mode = citeq_args.mode or "cs1" -- a cs1 template already knows that it is cs1 so this line is superfluous

template = "Cite " .. template

else

-- citeq_args.mode = citeq_args.mode or "cs2" -- a cs2 template already knows that it is cs2 so this line is superfluous

template = "Citation"

end

-- |id= could hold more than one identifier pulled from Wikidata not supported by {{citation}}, right now only add our qid to the list

local list_sep = '. '

if citeq_args.mode ~= 'cs1' then

list_sep = ', '

end

local id = 'Wikidata ' .. qid .. '' -- go through "WDQ (identifier)" redirect to reduce clutter in "What links here" and improve reverse lookup. Keep in sync with {{QID}}.

local old_id = citeq_args.id

if wdl then -- show WD logo

id = id .. 'File:Wikidata-logo.svg' -- possibly replace by WD edit icon?

end

if is_set (old_id) then

citeq_args.id = old_id .. list_sep .. id -- append to user-specified contents

else

citeq_args.id = id

end

-- clean up any blank parameters

for k, v in pairs(citeq_args) do

if v == "" then citeq_args[k] = nil end

end

-- if |expand=, write a nowiki'd version to see what the {{citation}} template call looks like

if expand then

local expand_args = { "{{" .. template } -- init with citation template

if expand == "self" then

citeq_args.id = old_id -- restore original |id= parameter

expand_args = { "{{cite Q|" .. qid } -- expand to itself

end

-- make a sortable table and sort it by param name

local sorttable = {}

for param, val in pairs (citeq_args) do

table.insert(sorttable, {param, val})

end

table.sort(sorttable, comp_key)

-- add contents to expand_args

for idx, val in ipairs(sorttable) do

table.insert(expand_args, val[1] .. '=' .. val[2])

end

-- make the nowiki'd string and done

return frame:preprocess (table.concat ({'', table.concat (expand_args, ' |') .. '}}', ''}));

end

local erratumid = getPropertyIDs( { "P2507", qid = qid, fwd = "ALL", osd = "no", rank = "best", maxvals = 1 } )

if erratumid then

erratumid = " (erratum)" .. "Category:Cite Q - cites a work with an erratum"

else

erratumid = ""

end

local opt_cat = ''

if getValue( {"P5824", ps = 1, qid = qid} ) then

opt_cat = 'Category:Cite Q - cites a retracted work'

end

if getValue( {"P1366", ps = 1, qid = qid} ) then

opt_cat = opt_cat .. 'Category:Cite Q - cites a replaced work'

end

return frame:expandTemplate{title = template, args = citeq_args} .. erratumid .. opt_cat -- render the template

end

function p.cite_q (frame)

local args = {}

for k, v in pairs(frame:getParent().args) do

if v ~= "" then args[k] = v end

end

for k, v in pairs(frame.args) do

if v ~= "" then args[k] = v end

end

args.qid = args.qid or args[1] or ""

if args.qid == "" then return nil end

args[1] = nil

local citesep = (args.citesep or "")

if citesep == "" then citesep = ", " end

citesep = citesep:gsub('"', '') -- strip double quotes after setting default to allow |citesep="" as a blank separator

args.citesep = nil

local tag = args.tag or ""

if tag == "" then tag = nil end

args.tag = nil

local list = args.list or ""

if list == "" then list = nil end

args.list = nil

args.language = args.language or args.lang

args.lang = nil

local cites = {}

for q in args.qid:gmatch("Q%d+") do

-- make a new copy of the arguments

local newargs = {}

for k, v in pairs(args) do

if k ~= "qid" then

newargs[k] = v

end

end

newargs.qid = q

if tag == "ref" then

cites[#cites + 1] = frame:callParserFunction{ name = "#tag:ref", args = { p._cite_q(newargs), name = q } }

-- expand like this: args = { p._cite_q(newargs), name = 'foo', group = 'bar' }

else

cites[#cites + 1] = p._cite_q(newargs)

end

end

if list then

return frame:expandTemplate{ title = list, args = cites }

else

return table.concat(cites, citesep)

end

end

return p