Module:Citation/CS1/Identifiers: Difference between revisions

Content deleted Content added
changed PMC test limit to 8000000, since PMCs greater than 7000000 have now been issued, see https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7003341/
sync from sandbox;
Line 11:
 
--============================<< H E L P E R F U N C T I O N S >>============================================
 
--[[--------------------------< W I K I D A T A _ A R T I C L E _ N A M E _ G E T >----------------------------
 
as an aid to internationalizing identifier-label wikilinks, gets identifier article names from wikidata.
 
returns :<lang code>:<article title> when <q> has an <article title> for <lang code>; nil else
 
for identifiers that do not have q, returns nil
 
for wikis that do not have mw.wikibase installed, returns nil
 
The call to mw.wikibase.getEntity() bumps the expensive parser function count
 
]]
 
local function wikidata_article_name_get (q)
if not is_set (q) or (q and not mw.wikibase) then -- when no q number or when a q number but mw.wikibase not installed on this wiki
return nil; -- abandon
end
 
local wd_article;
local this_wiki_code = cfg.this_wiki_code; -- wikipedia subdomain; 'en' for en.wikipedia.org
 
wd_article = mw.wikibase.getEntity (q):getSitelink (this_wiki_code .. 'wiki'); -- fetch article title from wd; nil when no title available at this wiki; bumps expensive parser function count
 
if wd_article then
wd_article = table.concat ({':', this_wiki_code, ':', wd_article}); -- interwiki-style link without brackets if taken from wd; leading colon required
end
 
return wd_article; -- article title from wd; nil else
end
 
 
--[[--------------------------< E X T E R N A L _ L I N K _ I D >----------------------------------------------
Line 33 ⟶ 65:
end
 
if not (cfg.use_identifier_redirects and is_set (options.redirect)) then -- redirect has priority so if enabled and available don't fetch from wikidata because expensive
-- this_wiki_code = mw.language.getContentLanguage():getCode(); -- get this wikipedia's language code (subdomain)
wd_article = wikidata_article_name_get (options.q); -- if wikidata has an article title for this wiki, get it;
if string.match (mw.site.server, 'wikidata') then
this_wiki_code = mw.getCurrentFrame():preprocess('{{int:lang}}'); -- on wikidata so use interface language setting instead
end
local label_link = (cfg.use_identifier_redirects and is_set (options.redirect) and options.redirect) or wd_article or options.link;
if is_set (options.q) and mw.wikibase then -- wikibase test here avoids script errors in third party wikis that aren't using mw.wikibase extension
wd_article = mw.wikibase.getEntity (options.q):getSitelink (this_wiki_code .. 'wiki'); -- fetch article title from wd
if wd_article then
wd_article = table.concat ({':', this_wiki_code, ':', wd_article}); -- make interwiki link if taken from wd; leading colon required
end
end
 
return table.concat ({
make_wikilink (wd_article or options.linklabel_link, options.label), -- redirect, wikidata link, or locally specified link (in that order)
options.separator or '&nbsp;',
ext_link
Line 62 ⟶ 87:
local function internal_link_id(options)
local id = mw.ustring.gsub (options.id, '%d', cfg.date_names.local_digits); -- translate 'local' digits to Western 0-9
 
if not (cfg.use_identifier_redirects and is_set (options.redirect)) then -- redirect has priority so if enabled and available don't fetch from wikidata because expensive
wd_article = wikidata_article_name_get (options.q); -- if wikidata has an article title for this wiki, get it;
end
 
local label_link = (cfg.use_identifier_redirects and is_set (options.redirect) and options.redirect) or wd_article or options.link;
 
return table.concat (
{
make_wikilink (options.linklabel_link, options.label), -- wiki link the identifier label
options.separator or '&nbsp;', -- add the separator
make_wikilink (
table.concat (
Line 105 ⟶ 136:
end
return ''; -- |embargo= not set return empty string
end
 
 
--[=[-------------------------< I S _ V A L I D _ B I O R X I V _ D A T E >------------------------------------
 
returns true if:
2019-12-11T00:00Z <= biorxiv_date < today + 2 days
The dated form of biorxiv identifier has a start date of 2019-12-11. The unix timestamp for that date is {{#time:U|2019-12-11}} = 1576022400
 
biorxiv_date is the date provided in those |biorxiv= parameter values that are dated at time 00:00:00 UTC
today is the current date at time 00:00:00 UTC plus 48 hours
if today is 2015-01-01T00:00:00 then
adding 24 hours gives 2015-01-02T00:00:00 – one second more than today
adding 24 hours gives 2015-01-03T00:00:00 – one second more than tomorrow
 
This function does not work if it is fed month names for languages other than English. Wikimedia #time: parser
apparently doesn't understand non-Engish date month names. This function will always return false when the date
contains a non-English month name because good1 is false after the call to lang.formatDate(). To get around that
call this function with YYYY-MM-DD format dates.
 
]=]
 
local function is_valid_biorxiv_date (biorxiv_date)
local good1, good2;
local biorxiv_ts, tomorrow_ts; -- to hold unix time stamps representing the dates
local lang_object = mw.getContentLanguage();
 
good1, biorxiv_ts = pcall (lang_object.formatDate, lang_object, 'U', biorxiv_date ); -- convert biorxiv_date value to unix timesatmp
good2, tomorrow_ts = pcall (lang_object.formatDate, lang_object, 'U', 'today + 2 days' ); -- today midnight + 2 days is one second more than all day tomorrow
if good1 and good2 then -- lang.formatDate() returns a timestamp in the local script which which tonumber() may not understand
biorxiv_ts = tonumber (biorxiv_ts) or lang_object:parseFormattedNumber (biorxiv_ts); -- convert to numbers for the comparison;
tomorrow_ts = tonumber (tomorrow_ts) or lang_object:parseFormattedNumber (tomorrow_ts);
else
return false; -- one or both failed to convert to unix time stamp
end
 
return ((1576022400 <= biorxiv_ts) and (biorxiv_ts < tomorrow_ts)) -- 2012-12-11T00:00Z <= biorxiv_date < tomorrow's date
end
 
Line 120 ⟶ 190:
local function is_valid_isxn (isxn_str, len)
local temp = 0;
isxn_str = { isxn_str:byte(1, len) }; -- make a table of byte values '0' → 0x30 .. '9' → 0x39, 'X' → 0x58
len = len+1; -- adjust to be a loop counter
for i, v in ipairs( isxn_str ) do -- loop through all of the bytes and calculate the checksum
if v == string.byte( "X" ) then -- if checkdigit is X (compares the byte value of 'X' which is 0x58)
temp = temp + 10*( len - i ); -- it represents 10 decimal
else
temp = temp + tonumber( string.char(v) )*(len-i);
end
end
return temp % 11 == 0; -- returns true if calculation result is zero
end
 
Line 254 ⟶ 324:
err_cat = err_cat and table.concat ({' ', set_error ('bad_arxiv')}) or ''; -- set error message if flag is true
text = external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode, access=handler.access}) .. err_cat;
 
Line 292 ⟶ 362:
local year;
 
local text = external_link_id ({link=handler.link, label=handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix, id=id, separator=handler.separator, encode=handler.encode,
access=access});
if 19 ~= id:len() then
err_type = 'cfg.err_msg_supl.length';
else
year = id:match ("^(%d%d%d%d)[%a][%w&%.][%w&%.][%w&%.][%w.]+[%a%.]$") --
if not year then -- if nil then no pattern match
err_type = 'cfg.err_msg_supl.value'; -- so value error
else
local next_year = tonumber(os.date ('%Y'))+1; -- get the current year as a number and add one for next year
year = tonumber (year); -- convert year portion of bibcode to a number
if (1000 > year) or (year > next_year) then
err_type = 'cfg.err_msg_supl.year'; -- year out of bounds
end
if id:find('&%.') then
err_type = 'cfg.err_msg_supl.journal'; -- journal abbreviation must not have '&.' (if it does its missing a letter)
end
end
Line 323 ⟶ 393:
--[[--------------------------< B I O R X I V >-----------------------------------------------------------------
 
Format bioRxiv id and do simple error checking. BiorXivBefore ids2019-12-11, arebiorXiv exactlyids 6were digits10.1101/ followed by exactly
6 digits. After 2019-12-11, biorXiv ids retained the six-digit identifier but prefixed that with a yyyy.mm.dd.
The bioRxiv id is the number following the last slash in the bioRxiv-issued DOI:
date and suffixed with an optional version identifier.
https://doi.org/10.1101/078733 -> 078733
 
The bioRxiv id is the string of characters:
https://doi.org/10.1101/078733 -> 10.1101/078733
or a date followed by a six-digit number followed by an optional version indicator 'v' and one or more digits:
https://www.biorxiv.org/content/10.1101/2019.12.11.123456v2 -> 10.1101/2019.12.11.123456v2
see https://www.biorxiv.org/about-biorxiv
 
]]
Line 331 ⟶ 408:
local function biorxiv(id)
local handler = cfg.id_handlers['BIORXIV'];
local err_cat = ' ' .. set_error( 'bad_biorxiv'); -- presumeassume that bioRxivthere will idbe isan validerror
local patterns = {
if nil == id:match("^%d%d%d%d%d%d$") then -- if bioRxiv id has anything but six digits
'^10.1101/%d%d%d%d%d%d$', -- simple 6-digit identifier (before 2019-12-11)
err_cat = ' ' .. set_error( 'bad_biorxiv'); -- set an error message
'^10.1101/(20[1-9]%d)%.([01]%d)%.([0-3]%d)%.%d%d%d%d%d%dv%d+$', -- y.m.d. date + 6-digit identifier + version (after 2019-12-11)
end
'^10.1101/(20[1-9]%d)%.([01]%d)%.([0-3]%d)%.%d%d%d%d%d%d$', -- y.m.d. date + 6-digit identifier (after 2019-12-11)
}
for _, pattern in ipairs (patterns) do -- spin through the patterns looking for a match
return external_link_id({link = handler.link, label = handler.label, q = handler.q,
if id:match (pattern) then
local y, m, d = id:match (pattern); -- found a match, attempt to get year, month and date from the identifier
 
if m then -- m is nil when id is the six-digit form
if not is_valid_biorxiv_date (y .. '-' .. m .. '-' .. d) then -- validate the encoded date; TODO: don't ignore leapyear and actual month lengths ({{#time:}} is a poor date validator)
break; -- break out early so we don't unset the error message
end
end
err_cat = ''; -- we found a match so unset the error message
break; -- and done
end
end -- err_cat remains set here when no match
 
return external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
prefix=handler.prefix,id=id,separator=handler.separator,
encode=handler.encode, access=handler.access}) .. err_cat;
Line 354 ⟶ 447:
local matched;
local text = external_link_id ({link=handler.link, label=handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix, id=id, separator=handler.separator, encode=handler.encode,
access=handler.access});
Line 414 ⟶ 507:
end
 
text = external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode, access=access}) .. (inactive or '')
 
Line 427 ⟶ 520:
'^%d%d?%d?$', -- less than 4 digits without subcode (with subcode is legitimate)
'^5555$', -- test registrant will never resolve
'%s', -- any space character in registrant
}
Line 458 ⟶ 552:
terminal punctuation may not be technically correct but it appears, that in practice these characters are rarely
if ever used in HDLs.
 
Query string parameters are named here: http://www.handle.net/proxy_servlet.html. query strings are not displayed
but since '?' is anallowed character in an hdl, '?' followed by one of the query parameters is the only way we
have to detect the query string so that it isn't url encoded with the rest of the identifier.
 
]]
Line 463 ⟶ 561:
local function hdl(id, access)
local handler = cfg.id_handlers['HDL'];
local query_params = { -- list of known query parameters from http://www.handle.net/proxy_servlet.html
'noredirect',
'ignore_aliases',
'auth',
'cert',
'index',
'type',
'urlappend',
'locatt',
'action',
}
local hdl, suffix, param = id:match ('(.-)(%?(%a+).+)$'); -- look for query string
local text = external_link_id({link = handler.link, label = handler.label, q = handler.q,
local found;
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode, access=access})
 
if hdl then -- when there are query strings, this is the handle identifier portion
for _, q in ipairs (query_params) do -- spin through the list of query parameters
if param:match ('^' .. q) then -- if the query string begins with one of the parameters
found = true; -- announce a find
break; -- and stop looking
end
end
end
 
if found then
id = hdl; -- found so replace id with the handle portion; this will be url encoded, suffix will not
else
suffix = ''; -- make sure suffix is empty string for concatenation else
end
 
local text = external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
prefix=handler.prefix, id=id, suffix=suffix, separator=handler.separator, encode=handler.encode, access=access})
 
if nil == id:match("^[^%s–]-/[^%s–]-[^%.,]$") then -- hdl must contain a fwd slash, must not contain spaces, endashes, and must not end with period or comma
Line 482 ⟶ 609:
local function isbn( isbn_str )
if nil ~= isbn_str:match("[^%s-0-9X]") then
return false, 'invalid character'cfg.err_msg_supl.char; -- fail if isbn_str contains anything but digits, hyphens, or the uppercase X
end
isbn_str = isbn_str:gsub( "-", "" ):gsub( " ", "" ); -- remove hyphens and spaces
Line 488 ⟶ 615:
if len ~= 10 and len ~= 13 then
return false, 'cfg.err_msg_supl.length'; -- fail if incorrect length
end
 
if len == 10 then
if isbn_str:match( "^%d*X?$" ) == nil then -- fail if isbn_str has 'X' anywhere but last position
return false, 'invalid cfg.err_msg_supl.form';
end
return is_valid_isxn(isbn_str, 10), 'checksum'cfg.err_msg_supl.check;
else
if isbn_str:match( "^%d+$" ) == nil then
return false, 'invalid character'cfg.err_msg_supl.char; -- fail if isbn13 is not all digits
end
if isbn_str:match( "^97[89]%d*$" ) == nil then
return false, 'invalid cfg.err_msg_supl.prefix'; -- fail when isbn13 does not begin with 978 or 979
end
if isbn_str:match ('^9790') then
return false, 'invalid cfg.err_msg_supl.group id'; -- group identifier '0' is reserved to ismn
end
return is_valid_isxn_13 (isbn_str), 'checksum'cfg.err_msg_supl.check;
end
end
Line 546 ⟶ 673:
end
local handler = cfg.id_handlers['ASIN'];
return external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
label=handler.label, q = handler.q, prefix=handler.prefix .. ___domain .. "/dp/",
id=id, encode=handler.encode, separator = handler.separator}) .. err_cat;
end
Line 575 ⟶ 702:
end
 
-- text = internal_link_id ({link = handler.link, label=handler.label, q=handler.q, redirect=handler.labelredirect, -- use this (or external version) when there is some place to link to
-- prefix=handler.prefix, id=idid_copy, separator=handler.separator, encode=handler.encode})
text = table.concat (
Line 634 ⟶ 761:
end
text = external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode})
 
if false == valid_issn then
text = text .. ' ' .. set_error( 'bad_issn', e and 'e' or '' ) -- add an error message if the issn is invalid
Line 670 ⟶ 797:
end
return external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode}) .. err_cat;
end
Line 727 ⟶ 854:
end
 
return external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix,id=lccn,separator=handler.separator, encode=handler.encode}) .. err_cat;
end
Line 759 ⟶ 886:
end
return external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode}) .. err_cat;
end
Line 800 ⟶ 927:
end
local text = external_link_id ({link=handler.link, label=handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix, id=id, separator=handler.separator, encode=handler.encode}) .. err_msg;
 
Line 821 ⟶ 948:
 
if not is_set (ident) then -- if malformed return an error
return external_link_id ({link=handler.link, label=handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix .. 'OL',
id=id, separator=handler.separator, encode = handler.encode,
Line 830 ⟶ 957:
if ( code == "A" ) then
return external_link_id ({link=handler.link, label=handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix .. 'authors/OL',
id=id, separator=handler.separator, encode = handler.encode,
Line 837 ⟶ 964:
if ( code == "M" ) then
return external_link_id ({link=handler.link, label=handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix .. 'books/OL',
id=id, separator=handler.separator, encode = handler.encode,
Line 844 ⟶ 971:
 
if ( code == "W" ) then
return external_link_id ({link=handler.link, label=handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix .. 'works/OL',
id=id, separator=handler.separator, encode = handler.encode,
Line 870 ⟶ 997:
 
local function pmc(id, embargo)
local test_limit = 8000000cfg.id_limits.pmc; -- update this value as PMCs approach
local handler = cfg.id_handlers['PMC'];
local err_cat = ''; -- presume that PMC is valid
Line 904 ⟶ 1,031:
});
else
text = external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect=handler.redirect, -- no embargo date or embargo has expired, ok to link to article
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode, access=handler.access}) .. err_cat;
end
Line 920 ⟶ 1,047:
 
local function pmid(id)
local test_limit = 33000000cfg.id_limits.pmid; -- update this value as PMIDs approach
local handler = cfg.id_handlers['PMID'];
local err_cat = ''; -- presume that PMID is valid
Line 933 ⟶ 1,060:
end
return external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode}) .. err_cat;
end
 
 
--[[--------------------------< S 2 C I D >--------------------------------------------------------------------
 
Format an s2cid, do simple error checking
 
S2CIDs are sequential numbers beginning at 1 and counting up. This code checks the s2cid to see that it is only
digits and is less than test_limit; the value in local variable test_limit will need to be updated periodically
as more S2CIDs are issued.
 
]]
 
local function s2cid (id, access)
local test_limit = cfg.id_limits.s2cid; -- update this value as S2CIDs approach
local handler = cfg.id_handlers['S2CID'];
local err_cat = ''; -- presume that S2CID is valid
local id_num;
local text;
id_num = id:match ('^[1-9]%d+$'); -- id must be all digits; must not begin with 0; no open access flag
 
if is_set (id_num) then -- id_num has a value so test it
id_num = tonumber(id_num); -- convert id_num to a number for range testing
if test_limit < id_num then -- if S2CID is outside test limit boundaries
err_cat = ' ' .. set_error( 'bad_s2cid' ); -- set an error message
end
 
else -- when id format incorrect
err_cat = ' ' .. set_error( 'bad_s2cid' ); -- set an error message
end
 
text = external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
prefix=handler.prefix, id=id:gsub ('%.%a%a', ''), separator=handler.separator, encode=handler.encode, access=access}) .. err_cat;
 
return text;
end
 
 
--[[--------------------------< S B N >------------------------------------------------------------------------
 
9-digit form of isbn10; uses same check-digit validation when sbn is prefixed with an additional '0' to make 10 digits
 
]]
 
local function sbn (id)
local check;
local err_type = '';
 
if nil ~= id:match("[^%s-0-9X]") then
return false, cfg.err_msg_supl.char; -- fail if sbn contains anything but digits, hyphens, or the uppercase X
end
 
id=id:gsub( "[%s-]", "" ); -- strip spaces and hyphens from the sbn
 
if 9 ~= id:len() then
return false, cfg.err_msg_supl.length; -- fail if incorrect length
end
 
if id:match( "^%d*X?$" ) == nil then -- fail if sbn has 'X' anywhere but last position
return false, cfg.err_msg_supl.form;
end
 
return is_valid_isxn('0' .. id, 10), cfg.err_msg_supl.check; -- prefix sbn with '0' and validate as isbn10
end
 
Line 949 ⟶ 1,140:
 
local function ssrn (id)
local test_limit = 3500000cfg.id_limits.ssrn; -- update this value as SSRNs approach
local handler = cfg.id_handlers['SSRN'];
local err_cat = ''; -- presume that SSRN is valid
Line 966 ⟶ 1,157:
end
text = external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode, access=handler.access}) .. err_cat;
 
Line 983 ⟶ 1,174:
local handler = cfg.id_handlers['USENETID'];
 
local text = external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode})
Line 1,014 ⟶ 1,205:
end
return external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect=handler.redirect,
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode}) .. err_cat;
end
Line 1,095 ⟶ 1,286:
elseif k == 'PMID' then
table.insert( new_list, {handler.label, pmid( v ) } );
elseif k == 'S2CID' then
table.insert( new_list, {handler.label, s2cid( v, handler.access ) } );
elseif k == 'SBN' then
local SBN = internal_link_id (handler);
local check; -- boolean validation result
local err_type = '';
check, err_type = sbn (v);
if not check then
SBN = SBN .. set_error( 'bad_sbn', {err_type}, false, " ", "" ); -- display an error message
end
table.insert( new_list, {handler.label, SBN } );
elseif k == 'SSRN' then
table.insert( new_list, {handler.label, ssrn( v ) } );