మాడ్యూల్:Citation/CS1/Identifiers: కూర్పుల మధ్య తేడాలు

4,624 బైట్లు చేర్చారు ,  1 సంవత్సరం క్రితం
sync from sandbox;
చి (en:Module:Citation/CS1/Identifiers నుండి కూర్పులను దిగుమతి చేసాం)
(sync from sandbox;)
 
Formats a wiki-style external link
 
NB. Wikidata P1630 has a formatter URL with $1 placeholder for the ID which could be worked into our prefix/id/suffix
string, either overriding local definitions (auto-update) or as fallback for identifiers without local definitions.
But is expensive and could be risky if WD gets vandalized.
 
See Template_talk:Authority_control/Archive_8#Use_Wikidata_as_the_source_for_the_external_link
 
]]
if options.encode == true or options.encode == nil then
url_string = mw.uri.encode ( url_string );
end
 
end
 
ext_link = mw.ustring.format ('[%s%s%s %s]', options.prefix, url_string, options.suffix or "", mw.text.nowiki (options.id));
if is_set (options.access) then
ext_link = substitute (cfg.presentation['ext-link-access-signal'], {cfg.presentation[options.access].class, cfg.presentation[options.access].title, ext_link}); -- add the free-to-read / paywall lock
end
 
Formats a wiki-style internal link
 
TODO: Does not currently need to support options.access, options.encode, auto-linking and COinS (as in external_link_id),
but may be needed in the future for :m:Interwiki_map custom-prefixes like :arxiv:, :bibcode:, :DOI:, :hdl:, :ISSN:,
:JSTOR:, :Openlibrary:, :PMID:, :RFC:.
 
]]
 
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
 
--[[--------------------------< I S _ E M B A R G O E D >------------------------------------------------------
 
Determines if a PMC identifier's online version is embargoed. Compares the date in |pmc-embargo-date= against today's date. If embargo date is
today's date. If embargo date is in the future, returns the content of |pmc-embargo-date=; otherwise, returns an empty string because the embargo has expired or because
an empty string because the embargo has expired or because |pmc-embargo-date= was not set in this cite.
 
]]
local lang_object = mw.getContentLanguage();
 
good1, biorxiv_ts = pcall (lang_object.formatDate, lang_object, 'U', biorxiv_date ); -- convert biorxiv_date value to Unix timestamp
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
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
isxn_str = { isxn_str:byte(1, 13) }; -- make a table of byte values '0' → 0x30 .. '9' → 0x39
for i, v in ipairs ( isxn_str ) do
temp = temp + (3 - 2*(i % 2)) * tonumber( (string.char (v) ); -- multiply odd index digits by 1, even index digits by 3 and sum; includes check digit
end
return temp % 10 == 0; -- sum modulo 10 is zero when ISBN-13/ISMN is correct
]]
 
local function arxiv (id, classoptions)
local handlerid = cfgoptions.id_handlers['ARXIV']id;
local class = options.Class; -- TODO: lowercase?
local handler = options.handler;
local year, month, version;
local err_cat = false; -- assume no error message
if id:match("^%a[%a%.%-]+/[90]%d[01]%d%d%d%d$") or id:match("^%a[%a%.%-]+/[90]%d[01]%d%d%d%dv%d+$") then -- test for the 9107-0703 format with or without version
year, month = id:match("^%a[%a%.%-]+/([90]%d)([01]%d)%d%d%d[v%d]*$");
year = tonumber (year);
month = tonumber (month);
if ((not (90 < year or 8 > year)) or (1 > month or 12 < month)) or -- if invalid year or invalid month
((91 == year and 7 > month) or (7 == year and 3 < month)) then -- if years ok, are starting and ending months ok?
elseif id:match("^%d%d[01]%d%.%d%d%d%d$") or id:match("^%d%d[01]%d%.%d%d%d%dv%d+$") then -- test for the 0704-1412 with or without version
year, month = id:match("^(%d%d)([01]%d)%.%d%d%d%d[v%d]*$");
year = tonumber (year);
month = tonumber (month);
if ((7 > year) or (14 < year) or (1 > month or 12 < month)) or -- is year invalid or is month invalid? (doesn't test for future years)
((7 == year) and (4 > month)) then -- when year is 07, is month invalid (before April)?
elseif id:match("^%d%d[01]%d%.%d%d%d%d%d$") or id:match("^%d%d[01]%d%.%d%d%d%d%dv%d+$") then -- test for the 1501- format with or without version
year, month = id:match("^(%d%d)([01]%d)%.%d%d%d%d%d[v%d]*$");
year = tonumber (year);
month = tonumber (month);
if ((15 > year) or (1 > month or 12 < month)) then -- is year invalid or is month invalid? (doesn't test for future years)
err_cat = true; -- flag for error message
]]
 
local function bibcode (id, accessoptions)
local handlerid = cfgoptions.id_handlers['BIBCODE']id;
local access = options.access;
local handler = options.handler;
local err_type;
local year;
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
 
if is_set (err_type) then -- if there was an error detected
text = text .. ' ' .. set_message( ('err_bad_bibcode', {err_type});
end
return text;
]]
 
local function biorxiv (idoptions)
local handlerid = cfgoptions.id_handlers['BIORXIV']id;
local handler = options.handler;
local err_cat = true; -- flag; assume that there will be an error
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 and (' ' .. set_message( ('err_bad_biorxiv')) or '');
end
 
]]
 
local function citeseerx (idoptions)
local handlerid = cfgoptions.id_handlers['CITESEERX']id;
local handler = options.handler;
local matched;
matched = id:match ("^10%.1%.1%.[1-9]%d?%d?%d?%.[1-9]%d?%d?%d?$");
if not matched then
text = text .. ' ' .. set_message( ('err_bad_citeseerx' );
end
return text;
]]
 
local function doi (id, inactive, access, ignore_invalidoptions)
local id = options.id;
local inactive = options.DoiBroken
local access = options.access;
local ignore_invalid = options.accept;
local handler = options.handler;
local err_cat;
 
local handler = cfg.id_handlers['DOI'];
local text;
if is_set (inactive) then
end
if is_set (inactive_year) and is_set (inactive_month) then
set_message ('maint_doi_inactive_dated', {inactive_year, inactive_month, ' '});
elseif is_set (inactive_year) then
set_message ('maint_doi_inactive_dated', {inactive_year, '', ''});
else
'^%d%d?%d?$', -- less than 4 digits without subcode (with subcode is legitimate)
'^5555$', -- test registrant will never resolve
'[^%sd%.]', -- any space character inthat isn't a digit or a registrantdot
}
 
]]
 
local function hdl(id, access(options)
local handlerid = cfgoptions.id_handlers['HDL']id;
local access = options.access;
local handler = options.handler;
local query_params = { -- list of known query parameters from http://www.handle.net/proxy_servlet.html
'noredirect',
 
if nil == id:match("^[^%s–]-/[^%s–]-[^%.,]$") then -- HDL must contain a forward slash, must not contain spaces, endashes, and must not end with period or comma
text = text .. ' ' .. set_message( ('err_bad_hdl' );
end
return text;
]]
 
local function isbn (isbn_str, ignore_invalidoptions)
local handlerisbn_str = cfgoptions.id_handlers['ISBN']id;
local ignore_invalid = options.accept;
local handler = options.handler;
 
local function return_result (check, err_type) -- local function to handle the various returns
local ISBN = internal_link_id ({link = handler.link, label = handler.label, redirect = handler.redirect,
return return_result (false, cfg.err_msg_supl.form);
end
return return_result (is_valid_isxn (id, 10), cfg.err_msg_supl.check);
else
if id:match ('^%d+$') == nil then
]]
 
local function asin (id, domainoptions)
local id = options.id;
local domain = options.ASINTLD;
local err_cat = ""
 
else
if id:match("^%d%d%d%d%d%d%d%d%d[%dX]$") then -- if 10-digit numeric (or 9 digits with terminal X)
if isbn (idoptions) then -- see if ASIN value is or validates as ISBN-10
if not id:find ('^630') then -- 630xxxxxxx is (apparently) not a valid isbn prefix but is used by amazon as a numeric identifier
set_message ('maint_asin'); -- begins with something other than 630 so possibly an isbn
end
end
if not is_set (domain) then
domain = "com";
elseif in_array (domain, {'jp', 'uk'}) then -- Japan, United Kingdom
domain = "com." .. domain;
end
 
local handler = cfg.id_handlers['ASIN'];
local handler = options.handler;
return external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect = handler.redirect,
prefix = handler.prefix .. domain .. "/dp/",
]]
 
local function ismn (idoptions)
local handlerid = cfgoptions.id_handlers['ISMN']id;
local handler = options.handler;
local text;
local valid_ismn = true;
id = id:gsub ('[%s-]', ''); -- remove hyphens and white space
 
if 13 ~= id:len() or id:match( ("^9790%d*$" ) == nil then -- ISMN must be 13 digits and begin with 9790
valid_ismn = false;
else
 
if false == valid_ismn then
text = text .. ' ' .. set_message( ('err_bad_ismn' ) -- add an error message if the ISMN is invalid
end
]]
 
local function issn (id, e, ignore_invalidoptions)
local id = options.id;
local handler = options.handler;
local ignore_invalid = options.accept;
 
local issn_copy = id; -- save a copy of unadulterated ISSN; use this version for display if ISSN does not validate
local handler;
local text;
local valid_issn = true;
handler = cfg.id_handlers[e and 'EISSN' or 'ISSN'];
 
id = id:gsub ('[%s-]', ''); -- remove hyphens and whitespace
 
if 8 ~= id:len() or nil == id:match( ("^%d*X?$" ) then -- validate the ISSN: 8 digits long, containing only 0-9 or X in the last position
valid_issn = false; -- wrong length or improper character
else
valid_issn = is_valid_isxn (id, 8); -- validate ISSN
end
 
if true == valid_issn then
id = string.sub( (id, 1, 4 ) .. "-" .. string.sub( (id, 5 ); -- if valid, display correctly formatted version
else
id = issn_copy; -- if not valid, show the invalid ISSN with error message
else
if false == valid_issn then
text = text .. ' ' .. set_message ('err_bad_issn', e(options.hkey == 'EISSN') and 'e' or ''); -- add an error message if the ISSN is invalid
end
end
]]
 
local function jfm (idoptions)
local handlerid = cfgoptions.id_handlers['JFM']id;
local handler = options.handler;
local id_num;
local err_cat = '';
if is_set (id_num) then
set_message ('maint_jfm_format');
else -- plain number without mrJFM prefix
id_num = id; -- if here id does not have prefix
end
id = id_num; -- jfm matches pattern
else
err_cat = ' ' .. set_message( ('err_bad_jfm' ); -- set an error message
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
 
 
--[[--------------------------< J S T O R >--------------------------------------------------------------------
 
Format a JSTOR with some error checking
 
]]
 
local function jstor (options)
local id = options.id;
local access = options.access;
local handler = options.handler;
local err_msg = '';
 
if id:find ('[Jj][Ss][Tt][Oo][Rr]') or id:find ('^https?://') or id:find ('%s') then
err_msg = ' ' .. set_message ('err_bad_jstor'); -- set an error message
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, access = access}) .. err_msg;
end
 
]]
 
local function lccn (lccnoptions)
local handlerlccn = cfgoptions.id_handlers['LCCN']id;
local handler = options.handler;
local err_cat = ''; -- presume that LCCN is valid
local id = lccn; -- local copy of the LCCN
]]
 
local function mr (idoptions)
local handlerid = cfgoptions.id_handlers['MR']id;
local handler = options.handler;
local id_num;
local id_len;
id_len = id_num and id_num:len() or 0;
if (7 >= id_len) and (0 ~= id_len) then
id = string.rep ('0', 7-id_len ) .. id_num; -- zero-fill leading digits
else
err_cat = ' ' .. set_message ('err_bad_mr'); -- set an error message
]]
 
local function oclc (idoptions)
local handlerid = cfgoptions.id_handlers['OCLC']id;
local handler = options.handler;
local number;
local err_msg = ''; -- empty string for concatenation
]]
 
local function openlibrary(id, access(options)
local handlerid = cfgoptions.id_handlers['OL']id;
local access = options.access;
local handler = options.handler;
local ident, code = id:gsub('^OL', ''):match("^(%d+([AMW]))$"); -- strip optional OL prefix followed immediately by digits followed by 'A', 'M', or 'W';
local error_msg = '';
id = ident, separator = handler.separator, encode = handler.encode,
access = access}) .. error_msg;
end
 
 
--[[--------------------------< O S T I >----------------------------------------------------------------------
 
Format OSTI and do simple error checking. OSTIs are sequential numbers beginning at 1 and counting up. This
code checks the OSTI to see that it contains only digits and is less than test_limit specified in the configuration;
the value in test_limit will need to be updated periodically as more OSTIs are issued.
 
NB. 1018 is the lowest OSTI number found in the wild (so far) and resolving OK on the OSTI site
 
]]
 
local function osti (options)
local id = options.id;
local access = options.access;
local handler = options.handler;
local err_cat = ''; -- presume that OSTI is valid
if id:match("[^%d]") then -- if OSTI has anything but digits
err_cat = ' ' .. set_message ('err_bad_osti'); -- set an error message
else -- OSTI is only digits
local id_num = tonumber (id); -- convert id to a number for range testing
if 1018 > id_num or handler.id_limit < id_num then -- if OSTI is outside test limit boundaries
err_cat = ' ' .. set_message ('err_bad_osti'); -- set an error message
end
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, access = access}) .. err_cat;
end
 
]]
 
local function pmc (id, embargooptions)
local handlerid = cfgoptions.id_handlers['PMC']id;
local embargo = options.Embargo; -- TODO: lowercase?
local handler = options.handler;
local err_cat;
local id_num;
 
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 1 > id_num or handler.id_limit < id_num then -- if PMC is outside test limit boundaries
err_cat = ' ' .. set_message ('err_bad_pmc'); -- set an error message
]]
 
local function pmid (idoptions)
local handlerid = cfgoptions.id_handlers['PMID']id;
local handler = options.handler;
local err_cat = ''; -- presume that PMID is valid
err_cat = ' ' .. set_message ('err_bad_pmid'); -- set an error message
else -- PMID is only digits
local id_num = tonumber (id); -- convert id to a number for range testing
if 1 > id_num or handler.id_limit < id_num then -- if PMID is outside test limit boundaries
err_cat = ' ' .. set_message ('err_bad_pmid'); -- set an error message
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
 
 
--[[--------------------------< R F C >------------------------------------------------------------------------
 
Format RFC and do simple error checking. RFCs are sequential numbers beginning at 1 and counting up. This
code checks the RFC to see that it contains only digits and is less than test_limit specified in the configuration;
the value in test_limit will need to be updated periodically as more RFCs are issued.
 
An index of all RFCs is here: https://tools.ietf.org/rfc/
 
]]
 
local function rfc (options)
local id = options.id;
local handler = options.handler;
local err_cat = ''; -- presume that RFC is valid
if id:match("[^%d]") then -- if RFC has anything but digits
err_cat = ' ' .. set_message ('err_bad_rfc'); -- set an error message
else -- RFC is only digits
local id_num = tonumber (id); -- convert id to a number for range testing
if 1 > id_num or handler.id_limit < id_num then -- if RFC is outside test limit boundaries
err_cat = ' ' .. set_message ('err_bad_rfc'); -- set an error message
end
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, access = handler.access}) .. err_cat;
end
 
]]
 
local function s2cid (id, accessoptions)
local handlerid = cfgoptions.id_handlers['S2CID']id;
local access = options.access;
local handler = options.handler;
local err_cat = ''; -- presume that S2CID is valid
local id_num;
 
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 handler.id_limit < id_num then -- if S2CID is outside test limit boundaries
err_cat = ' ' .. set_message ('bad_s2cid_errerr_bad_s2cid'); -- set an error message
end
 
else -- when id format incorrect
err_cat = ' ' .. set_message ('bad_s2cid_errerr_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;
]]
 
local function sbn (id, ignore_invalidoptions)
local handlerid = cfgoptions.id_handlers['SBN']id;
local ignore_invalid = options.accept;
local handler = options.handler;
local function return_result (check, err_type) -- local function to handle the various returns
local SBN = internal_link_id ({link = handler.link, label = handler.label, redirect = handler.redirect,
]]
 
local function ssrn (idoptions)
local handlerid = cfgoptions.id_handlers['SSRN']id;
local handler = options.handler;
local err_cat = ''; -- presume that SSRN is valid
local id_num;
 
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 100 > id_num or handler.id_limit < id_num then -- if SSRN is outside test limit boundaries
err_cat = ' ' .. set_message ('err_bad_ssrn'); -- set an error message
]]
 
local function usenet_id (idoptions)
local handlerid = cfgoptions.id_handlers['USENETID']id;
local handler = options.handler;
 
local text = external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect = handler.redirect,
]]
 
local function zbl (idoptions)
local handlerid = cfgoptions.id_handlers['ZBL']id;
local handler = options.handler;
local err_cat = '';
 
--============================<< I N T E R F A C E F U N C T I O N S >>==========================================
 
--[[--------------------------< B U I L D _ I D _ L I S T >--------------------------------------------------------
 
Takes a table of IDs created by extract_ids() and turns it into a table of formatted ID outputs.
 
inputs:
id_list – table of identifiers built by extract_ids()
options – table of various template parameter values used to modify some manually handled identifiers
 
]]
 
local function build_id_list( id_list, options )
local new_list, handler = {};
local accept;
 
local function fallback(k) return { __index = function(t,i) return cfg.id_handlers[k][i] end } end;
for k, v in pairs( id_list ) do
v, accept = has_accept_as_written (v); -- remove and note accept-as-written markup if present
 
-- k is uppercase identifier name as index to cfg.id_handlers; e.g. cfg.id_handlers['ISBN'], v is a table
-- fallback to read-only cfg
handler = setmetatable( { ['id'] = v, ['access'] = options.IdAccessLevels[k] }, fallback(k) );
 
if handler.mode == 'external' then
table.insert( new_list, {handler.label, external_link_id( handler ) } );
elseif handler.mode == 'internal' then
table.insert( new_list, {handler.label, internal_link_id( handler ) } );
elseif handler.mode ~= 'manual' then
error( cfg.messages['unknown_ID_mode'] );
elseif k == 'ARXIV' then
table.insert( new_list, {handler.label, arxiv( v, options.Class ) } );
elseif k == 'ASIN' then
table.insert( new_list, {handler.label, asin( v, options.ASINTLD ) } );
elseif k == 'BIBCODE' then
table.insert( new_list, {handler.label, bibcode( v, handler.access ) } );
elseif k == 'BIORXIV' then
table.insert( new_list, {handler.label, biorxiv( v ) } );
elseif k == 'CITESEERX' then
table.insert( new_list, {handler.label, citeseerx( v ) } );
elseif k == 'DOI' then
table.insert( new_list, {handler.label, doi( v, options.DoiBroken, handler.access, accept) } );
elseif k == 'EISSN' then
table.insert( new_list, {handler.label, issn( v, true, accept) } ); -- true distinguishes EISSN from ISSN
elseif k == 'HDL' then
table.insert( new_list, {handler.label, hdl( v, handler.access ) } );
elseif k == 'ISBN' then
table.insert( new_list, {handler.label, isbn (v, (accept or options.IgnoreISBN)) } );
elseif k == 'ISMN' then
table.insert( new_list, {handler.label, ismn( v ) } );
elseif k == 'ISSN' then
table.insert( new_list, {handler.label, issn( v, false, accept) } );
elseif k == 'JFM' then
table.insert( new_list, {handler.label, jfm( v ) } );
elseif k == 'LCCN' then
table.insert( new_list, {handler.label, lccn( v ) } );
elseif k == 'MR' then
table.insert( new_list, {handler.label, mr( v ) } );
elseif k == 'OCLC' then
table.insert( new_list, {handler.label, oclc( v ) } );
elseif k == 'OL' or k == 'OLA' then
table.insert( new_list, {handler.label, openlibrary( v, handler.access ) } );
elseif k == 'PMC' then
table.insert( new_list, {handler.label, pmc( v, options.Embargo ) } );
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
table.insert( new_list, {handler.label, sbn (v, accept) } );
elseif k == 'SSRN' then
table.insert( new_list, {handler.label, ssrn( v ) } );
elseif k == 'USENETID' then
table.insert( new_list, {handler.label, usenet_id( v ) } );
elseif k == 'ZBL' then
table.insert( new_list, {handler.label, zbl( v ) } );
else
error( cfg.messages['unknown_manual_ID'] );
end
end
local function comp( a, b ) -- used in following table.sort()
return a[1]:lower() < b[1]:lower();
end
table.sort( new_list, comp );
for k, v in ipairs( new_list ) do
new_list[k] = v[2];
end
return new_list;
end
 
 
--[[--------------------------< E X T R A C T _ I D S >------------------------------------------------------------
]]
 
local function extract_ids ( args )
local id_list = {}; -- list of identifiers found in args
for k, v in pairs ( cfg.id_handlers ) do -- k is uppercase identifier name as index to cfg.id_handlers; e.g. cfg.id_handlers['ISBN'], v is a table
v = select_one( (args, v.parameters, 'err_redundant_parameters' ); -- v.parameters is a table of aliases for k; here we pick one from args if present
if is_set (v) then id_list[k] = v; end -- if found in args, add identifier to our list
end
return id_list;
--[[--------------------------< E X T R A C T _ I D _ A C C E S S _ L E V E L S >--------------------------------------
 
Fetches custom id access levels from arguments using configuration settings. Parameters which have a predefined access
Parameters which have a predefined access level (e.g. arxiv) do not use this function as they are directly rendered as free without using an additional parameter.
 
function as they are directly rendered as free without using an additional parameter.
returns a table of k/v pairs where k is same as the identifier's key in cfg.id_handlers and v is the assigned (valid) keyword
 
access-level values must match the case used in cfg.keywords_lists['id-access'] (lowercase unless there is some special reason for something else)
]]
 
local function extract_id_access_levels ( args, id_list )
local id_accesses_list = {};
for k, v in pairs ( cfg.id_handlers ) do
local access_param = v.custom_access; -- name of identifier's access-level parameter
if is_set (access_param) then
local access_level = args[access_param]; -- get the assigned value if there is one
if is_set (access_level) then
if not in_array (access_level, cfg.keywords_lists['id-access']) then -- exact match required
table.insert( (z.message_tail, { set_message( ('invalid_param_val', {access_param, access_level}, true ) } );
access_level = nil; -- invalid so unset
end
if not is_set (id_list[k]) then -- identifier access-level must have a matching identifier
table.insert( (z.message_tail, { set_message ( 'err_param_access_requires_param', {k:lower()}, true ) } ); -- parameter name is uppercase in cfg.id_handlers (k); lowercase for error message
end
id_accesses_list[k] = cfg.keywords_xlate[access_level]; -- get translated keyword
end
return id_accesses_list;
end
 
 
--[[--------------------------< B U I L D _ I D _ L I S T >----------------------------------------------------
 
render the identifiers into a sorted sequence table
 
<id_list_t> is a table of k/v pairs where k is same as key in cfg.id_handlers and v is the assigned value
<options_t> is a table of is a table of various k/v option pairs provided in the call to new_build_id_list();
modified by this function and passed to all identifier rendering functions
<access_levels_t> is a table of k/v pairs where k is same as key in cfg.id_handlers and v is the assigned value (if valid)
 
returns a sequence table of sorted (by hkey) rendered identifier strings
 
]]
 
local function build_id_list (id_list_t, options_t, access_levels_t)
local new_list_t = {};
local accept;
local func_map = { --function map points to functions associated with hkey identifier
['ARXIV'] = arxiv,
['ASIN'] = asin,
['BIBCODE'] = bibcode,
['BIORXIV'] = biorxiv,
['CITESEERX'] = citeseerx,
['DOI'] = doi,
['EISSN'] = issn,
['HDL'] = hdl,
['ISBN'] = isbn,
['ISMN'] = ismn,
['ISSN'] = issn,
['JFM'] = jfm,
['JSTOR'] = jstor,
['LCCN'] = lccn,
['MR'] = mr,
['OCLC'] = oclc,
['OL'] = openlibrary,
['OSTI'] = osti,
['PMC'] = pmc,
['PMID'] = pmid,
['RFC'] = rfc,
['S2CID'] = s2cid,
['SBN'] = sbn,
['SSRN'] = ssrn,
['USENETID'] = usenet_id,
['ZBL'] = zbl,
}
 
for hkey, v in pairs (id_list_t) do
v, accept = has_accept_as_written (v); -- remove accept-as-written markup if present; accept is boolean true when markup removed; false else
-- every function gets the options table with value v and accept boolean
options_t.hkey = hkey; -- ~/Configuration handler key
options_t.id = v; -- add that identifier value to the options table
options_t.accept = accept; -- add the accept boolean flag
options_t.access = access_levels_t[hkey]; -- add the access level for those that have an |<identifier-access= parameter
options_t.handler = cfg.id_handlers[hkey];
if func_map[hkey] then
table.insert (new_list_t, {hkey, func_map[hkey] (options_t)}); -- call the function and add the results to the output sequence table
 
-- TODO: also retrieve identifier validity status, OL A/M/W/X type and ASIN TLD info from the corresponding function call for improved metadata generation in COinS() in ~/COinS
 
else
error (cfg.messages['unknown_ID_key'] .. ' ' .. hkey); -- here when func_map doesn't have a function for hkey
end
end
 
local function comp (a, b) -- used by following table.sort()
return a[1]:lower() < b[1]:lower(); -- sort by hkey
end
 
table.sort (new_list_t, comp); -- sequence table of tables sort
for k, v in ipairs (new_list_t) do -- convert sequence table of tables to simple sequence table of strings
new_list_t[k] = v[2];
end
return new_list_t;
end
 
 
--[[--------------------------< I D E N T I F I E R _ L I S T S _ G E T >--------------------------------------
 
Creates two identifier lists: a k/v table of identifiers and their values to be used locally and for use in the
COinS metadata, and a sequence table of the rendered identifier strings that will be included in the rendered
citation.
 
]]
 
local function identifier_lists_get (args, options_t)
local ID_list_coins_t = extract_ids (args); -- get a table of identifiers and their values for use locally and for use in COinS
local ID_access_levels_t = extract_id_access_levels (args, ID_list_coins_t); -- get a table of identifier access levels
local ID_list_t = build_id_list (ID_list_coins_t, options_t, ID_access_levels_t); -- get a sequence table of rendered identifier strings
 
-- TODO: add code to retrieve identifier validity status, OL A/M/W/X type and ASIN TLD info from ID_list_t and add this to ID_list_coins_t for improved metadata generation in COinS() in ~/COinS
 
return ID_list_t, ID_list_coins_t; -- return the tables
end
 
auto_link_urls = auto_link_urls, -- table of identifier URLs to be used when auto-linking |title=
identifier_lists_get = identifier_lists_get, -- experiment to replace individual calls to build_id_list, extract_ids, extract_id_access_levels
build_id_list = build_id_list,
extract_ids = extract_ids,
extract_id_access_levels = extract_id_access_levels,
is_embargoed = is_embargoed;
set_selected_modules = set_selected_modules;
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