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Module:Citation/CS1/Identifiers: Difference between revisions

sync from sandbox;
(sync from sandbox;)
(sync from sandbox;)
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]]
]]


local is_set, in_array, set_error, select_one, add_maint_cat, substitute, make_wikilink; -- functions in Module:Citation/CS1/Utilities
local has_accept_as_written, is_set, in_array, set_message, select_one, -- functions in Module:Citation/CS1/Utilities
substitute, make_wikilink;


local z; -- table of tables defined in Module:Citation/CS1/Utilities
local z; -- table of tables defined in Module:Citation/CS1/Utilities


local cfg; -- table of configuration tables that are defined in Module:Citation/CS1/Configuration
local cfg; -- table of configuration tables that are defined in Module:Citation/CS1/Configuration
--[[--------------------------< P A G E  S C O P E  V A R I A B L E S >--------------------------------------
declare variables here that have page-wide scope that are not brought in from other modules; that are created here and used here
]]
local auto_link_urls = {}; -- holds identifier URLs for those identifiers that can auto-link |title=




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--[[--------------------------< W I K I D A T A _ A R T I C L E _ N A M E _ G E T >----------------------------
--[[--------------------------< 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.
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
returns :<lang code>:<article title> when <q> has an <article title> for <lang code>; nil else
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local wd_article;
local wd_article;
local this_wiki_code = cfg.this_wiki_code; -- wikipedia subdomain; 'en' for en.wikipedia.org
local this_wiki_code = cfg.this_wiki_code; -- Wikipedia subdomain; 'en' for en.wikipedia.org


wd_article = mw.wikibase.getSitelink (q, this_wiki_code .. 'wiki'); -- fetch article title from wd; nil when no title available at this wiki
wd_article = mw.wikibase.getSitelink (q, this_wiki_code .. 'wiki'); -- fetch article title from WD; nil when no title available at this wiki


if wd_article then
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
wd_article = table.concat ({':', this_wiki_code, ':', wd_article}); -- interwiki-style link without brackets if taken from WD; leading colon required
end
end


return wd_article; -- article title from wd; nil else
return wd_article; -- article title from WD; nil else
end
 
 
--[[--------------------------< L I N K _ L A B E L _ M A K E >------------------------------------------------
 
common function to create identifier link label from handler table or from Wikidata
 
returns the first available of
1. redirect from local wiki's handler table (if enabled)
2. Wikidata (if there is a Wikidata entry for this identifier in the local wiki's language)
3. label specified in the local wiki's handler table
]]
 
local function link_label_make (handler)
local wd_article;
if not (cfg.use_identifier_redirects and is_set (handler.redirect)) then -- redirect has priority so if enabled and available don't fetch from Wikidata because expensive
wd_article = wikidata_article_name_get (handler.q); -- if Wikidata has an article title for this wiki, get it;
end
return (cfg.use_identifier_redirects and is_set (handler.redirect) and handler.redirect) or wd_article or handler.link;
end
end


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--[[--------------------------< E X T E R N A L _ L I N K _ I D >----------------------------------------------
--[[--------------------------< E X T E R N A L _ L I N K _ I D >----------------------------------------------


Formats a wiki style external link
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


]]
]]


local function external_link_id(options)
local function external_link_id (options)
local url_string = options.id;
local url_string = options.id;
local ext_link;
local ext_link;
local this_wiki_code = cfg.this_wiki_code; -- wikipedia subdomain; 'en' for en.wikipedia.org
local this_wiki_code = cfg.this_wiki_code; -- Wikipedia subdomain; 'en' for en.wikipedia.org
local wd_article; -- article title from wikidata
local wd_article; -- article title from Wikidata
if options.encode == true or options.encode == nil then
if options.encode == true or options.encode == nil then
url_string = mw.uri.encode( url_string );
url_string = mw.uri.encode( url_string );
end
if options.auto_link and is_set (options.access) then
auto_link_urls[options.auto_link] = table.concat ({options.prefix, url_string, options.suffix});
end
end


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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
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
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
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 ({
return table.concat ({
make_wikilink (label_link, options.label), -- redirect, wikidata link, or locally specified link (in that order)
make_wikilink (link_label_make (options), options.label), -- redirect, Wikidata link, or locally specified link (in that order)
options.separator or '&nbsp;',
options.separator or '&nbsp;',
ext_link
ext_link
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--[[--------------------------< I N T E R N A L _ L I N K _ I D >----------------------------------------------
--[[--------------------------< I N T E R N A L _ L I N K _ I D >----------------------------------------------


Formats a wiki style internal link
Formats a wiki-style internal link


]]
]]
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local function internal_link_id(options)
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
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 (
return table.concat (
{
{
make_wikilink (label_link, options.label), -- wiki link the identifier label
make_wikilink (link_label_make (options), options.label), -- wiki-link the identifier label
options.separator or '&nbsp;', -- add the separator
options.separator or '&nbsp;', -- add the separator
make_wikilink (
make_wikilink (
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{
{
options.prefix,
options.prefix,
id, -- translated to western digits
id, -- translated to Western digits
options.suffix or ''
options.suffix or ''
}),
}),
substitute (cfg.presentation['bdi'], {'', mw.text.nowiki (options.id)}) -- bdi tags to prevent Latn script identifiers from being reversed at rtl language wikis
substitute (cfg.presentation['bdi'], {'', mw.text.nowiki (options.id)}) -- bdi tags to prevent Latin script identifiers from being reversed at RTL language wikis
); -- nowiki because MediaWiki still has magic links for ISBN and the like; TODO: is it really required?
); -- nowiki because MediaWiki still has magic links for ISBN and the like; TODO: is it really required?
});
});
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--[[--------------------------< I S _ E M B A R G O E D >------------------------------------------------------
--[[--------------------------< 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 |embargo= against today's date.  If embargo date is
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
in the future, returns the content of |embargo=; otherwise, returns and empty string because the embargo has expired or because
in the future, returns the content of |pmc-embargo-date=; otherwise, returns an empty string because the embargo has expired or because
|embargo= was not set in this cite.
|pmc-embargo-date= was not set in this cite.


]]
]]
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if is_set (embargo) then
if is_set (embargo) then
local lang = mw.getContentLanguage();
local lang = mw.getContentLanguage();
local good1, embargo_date, good2, todays_date;
local good1, embargo_date, todays_date;
good1, embargo_date = pcall( lang.formatDate, lang, 'U', embargo );
good1, embargo_date = pcall (lang.formatDate, lang, 'U', embargo);
good2, todays_date = pcall( lang.formatDate, lang, 'U' );
todays_date = lang:formatDate ('U');
if good1 and good2 then -- if embargo date and today's date are good dates
if good1 then -- if embargo date is a good date
if tonumber( embargo_date ) >= tonumber( todays_date ) then -- is embargo date is in the future?
if tonumber (embargo_date) >= tonumber (todays_date) then -- is embargo date is in the future?
return embargo; -- still embargoed
return embargo; -- still embargoed
else
else
add_maint_cat ('embargo')
set_message ('maint_pmc_embargo'); -- embargo has expired; add main cat
return ''; -- unset because embargo has expired
return ''; -- unset because embargo has expired
end
end
end
end
end
end
return ''; -- |embargo= not set return empty string
return ''; -- |pmc-embargo-date= not set return empty string
end
end


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2019-12-11T00:00Z <= biorxiv_date < today + 2 days
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
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
biorxiv_date is the date provided in those |biorxiv= parameter values that are dated at time 00:00:00 UTC
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This function does not work if it is fed month names for languages other than English.  Wikimedia #time: parser
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
apparently doesn't understand non-English 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
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.
call this function with YYYY-MM-DD format dates.
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local function is_valid_biorxiv_date (biorxiv_date)
local function is_valid_biorxiv_date (biorxiv_date)
local good1, good2;
local good1, good2;
local biorxiv_ts, tomorrow_ts; -- to hold unix time stamps representing the dates
local biorxiv_ts, tomorrow_ts; -- to hold Unix timestamps representing the dates
local lang_object = mw.getContentLanguage();
local lang_object = mw.getContentLanguage();


good1, biorxiv_ts = pcall (lang_object.formatDate, lang_object, 'U', biorxiv_date ); -- convert biorxiv_date value to unix timesatmp
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
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
if good1 and good2 then -- lang.formatDate() returns a timestamp in the local script which tonumber() may not understand
biorxiv_ts = tonumber (biorxiv_ts) or lang_object:parseFormattedNumber (biorxiv_ts); -- convert to numbers for the comparison;
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);
tomorrow_ts = tonumber (tomorrow_ts) or lang_object:parseFormattedNumber (tomorrow_ts);
else
else
return false; -- one or both failed to convert to unix time stamp
return false; -- one or both failed to convert to Unix timestamp
end
end


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--[[--------------------------< IS _ V A L I D _ I S X N >-----------------------------------------------------
--[[--------------------------< IS _ V A L I D _ I S X N >-----------------------------------------------------


ISBN-10 and ISSN validator code calculates checksum across all isbn/issn digits including the check digit.
ISBN-10 and ISSN validator code calculates checksum across all ISBN/ISSN digits including the check digit.
ISBN-13 is checked in isbn().
ISBN-13 is checked in isbn().


If the number is valid the result will be 0. Before calling this function, issbn/issn must be checked for length
If the number is valid the result will be 0. Before calling this function, ISBN/ISSN must be checked for length
and stripped of dashes, spaces and other non-isxn characters.
and stripped of dashes, spaces and other non-ISxN characters.


]]
]]
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local temp = 0;
local temp = 0;
isxn_str = { isxn_str:byte(1, len) }; -- make a table of byte values '0' → 0x30 .. '9' → 0x39, 'X' → 0x58
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
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
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)
if v == string.byte( "X" ) then -- if checkdigit is X (compares the byte value of 'X' which is 0x58)
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--[[--------------------------< IS _ V A L I D _ I S X N _ 1 3 >-----------------------------------------------
--[[--------------------------< IS _ V A L I D _ I S X N _ 1 3 >-----------------------------------------------


ISBN-13 and ISMN validator code calculates checksum across all 13 isbn/ismn digits including the check digit.
ISBN-13 and ISMN validator code calculates checksum across all 13 ISBN/ISMN digits including the check digit.
If the number is valid, the result will be 0. Before calling this function, isbn-13/ismn must be checked for length
If the number is valid, the result will be 0. Before calling this function, ISBN-13/ISMN must be checked for length
and stripped of dashes, spaces and other non-isxn-13 characters.
and stripped of dashes, spaces and other non-ISxN-13 characters.


]]
]]
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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
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
end
return temp % 10 == 0; -- sum modulo 10 is zero when isbn-13/ismn is correct
return temp % 10 == 0; -- sum modulo 10 is zero when ISBN-13/ISMN is correct
end
end


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--[[--------------------------< N O R M A L I Z E _ L C C N >--------------------------------------------------
--[[--------------------------< N O R M A L I Z E _ L C C N >--------------------------------------------------


lccn normalization (http://www.loc.gov/marc/lccn-namespace.html#normalization)
LCCN normalization (http://www.loc.gov/marc/lccn-namespace.html#normalization)
1. Remove all blanks.
1. Remove all blanks.
2. If there is a forward slash (/) in the string, remove it, and remove all characters to the right of the forward slash.
2. If there is a forward slash (/) in the string, remove it, and remove all characters to the right of the forward slash.
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2. If the length of the substring is less than 6, left-fill the substring with zeroes until the length is six.
2. If the length of the substring is less than 6, left-fill the substring with zeroes until the length is six.


Returns a normalized lccn for lccn() to validate.  There is no error checking (step 3.b.1) performed in this function.
Returns a normalized LCCN for lccn() to validate.  There is no error checking (step 3.b.1) performed in this function.
]]
]]


local function normalize_lccn (lccn)
local function normalize_lccn (lccn)
lccn = lccn:gsub ("%s", ""); -- 1. strip whitespace
lccn = lccn:gsub ("%s", ""); -- 1. strip whitespace


if nil ~= string.find (lccn,'/') then
if nil ~= string.find (lccn, '/') then
lccn = lccn:match ("(.-)/"); -- 2. remove forward slash and all character to the right of it
lccn = lccn:match ("(.-)/"); -- 2. remove forward slash and all character to the right of it
end
end


local prefix
local prefix
local suffix
local suffix
prefix, suffix = lccn:match ("(.+)%-(.+)"); -- 3.a remove hyphen by splitting the string into prefix and suffix
prefix, suffix = lccn:match ("(.+)%-(.+)"); -- 3.a remove hyphen by splitting the string into prefix and suffix


if nil ~= suffix then -- if there was a hyphen
if nil ~= suffix then -- if there was a hyphen
suffix=string.rep("0", 6-string.len (suffix)) .. suffix; -- 3.b.2 left fill the suffix with 0s if suffix length less than 6
suffix = string.rep("0", 6-string.len (suffix)) .. suffix; -- 3.b.2 left fill the suffix with 0s if suffix length less than 6
lccn=prefix..suffix; -- reassemble the lccn
lccn = prefix..suffix; -- reassemble the LCCN
end
end
return lccn;
return lccn;
end
end


--============================<< I D E N T I F I E R  F U N C T I O N S >>====================================
--============================<< I D E N T I F I E R  F U N C T I O N S >>====================================
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format and error check arXiv identifier.  There are three valid forms of the identifier:
format and error check arXiv identifier.  There are three valid forms of the identifier:
the first form, valid only between date codes 9108 and 0703 is:
the first form, valid only between date codes 9107 and 0703, is:
arXiv:<archive>.<class>/<date code><number><version>
arXiv:<archive>.<class>/<date code><number><version>
where:
where:
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local text; -- output text
local text; -- output text
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 9108-0703 format w/ & w/o version
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]*$");
year, month = id:match("^%a[%a%.%-]+/([90]%d)([01]%d)%d%d%d[v%d]*$");
year = tonumber(year);
year = tonumber(year);
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end
end


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 w/ & w/o version
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]*$");
year, month = id:match("^(%d%d)([01]%d)%.%d%d%d%d[v%d]*$");
year = tonumber(year);
year = tonumber(year);
month = tonumber(month);
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)
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 --or -- when year is 07, is month invalid (before April)?
((7 == year) and (4 > month)) then -- when year is 07, is month invalid (before April)?
err_cat = true; -- flag for error message
err_cat = true; -- flag for error message
end
end


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 w/ & w/o version
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]*$");
year, month = id:match("^(%d%d)([01]%d)%.%d%d%d%d%d[v%d]*$");
year = tonumber(year);
year = tonumber(year);
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end
end


err_cat = err_cat and table.concat ({' ', set_error ('bad_arxiv')}) or ''; -- set error message if flag is true
err_cat = err_cat and table.concat ({' ', set_message ('err_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,
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;
prefix = handler.prefix, id = id, separator = handler.separator, encode = handler.encode, access = handler.access}) .. err_cat;


if is_set (class) then
if is_set (class) then
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text = table.concat ({text, ' [[//arxiv.org/archive/', class, ' ', class, ']]'}); -- external link within square brackets, not wikilink
text = table.concat ({text, ' [[//arxiv.org/archive/', class, ' ', class, ']]'}); -- external link within square brackets, not wikilink
else
else
text = table.concat ({text, ' ', set_error ('class_ignored')});
text = table.concat ({text, ' ', set_message ('err_class_ignored')});
end
end
end
end
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--[[--------------------------< B I B C O D E >--------------------------------------------------------------------
--[[--------------------------< B I B C O D E >--------------------------------------------------------------------


Validates (sort of) and formats a bibcode id.
Validates (sort of) and formats a bibcode ID.


Format for bibcodes is specified here: http://adsabs.harvard.edu/abs_doc/help_pages/data.html#bibcodes
Format for bibcodes is specified here: http://adsabs.harvard.edu/abs_doc/help_pages/data.html#bibcodes
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local year;
local year;


local text = external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
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,
prefix = handler.prefix, id = id, separator = handler.separator, encode = handler.encode,
access=access});
access = access});
if 19 ~= id:len() then
if 19 ~= id:len() then
err_type = cfg.err_msg_supl.length;
err_type = cfg.err_msg_supl.length;
else
else
year = id:match ("^(%d%d%d%d)[%a][%w&%.][%w&%.][%w&%.][%w.]+[%a%.]$") --
year = id:match ("^(%d%d%d%d)[%a][%w&%.][%w&%.][%w&%.][%w.]+[%a%.]$");
if not year then -- if nil then no pattern match
if not year then -- if nil then no pattern match
err_type = cfg.err_msg_supl.value; -- so value error
err_type = cfg.err_msg_supl.value; -- so value error
else
else
local next_year = tonumber(os.date ('%Y'))+1; -- get the current year as a number and add one for next year
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
year = tonumber (year); -- convert year portion of bibcode to a number
if (1000 > year) or (year > next_year) then
if (1000 > year) or (year > next_year) then
err_type = cfg.err_msg_supl.year; -- year out of bounds
err_type = cfg.err_msg_supl.year; -- year out of bounds
end
end
if id:find('&%.') then
if id:find('&%.') then
err_type = cfg.err_msg_supl.journal; -- journal abbreviation must not have '&.' (if it does its missing a letter)
err_type = cfg.err_msg_supl.journal; -- journal abbreviation must not have '&.' (if it does it's missing a letter)
end
end
end
end
Line 383: Line 414:


if is_set (err_type) then -- if there was an error detected
if is_set (err_type) then -- if there was an error detected
text = text .. ' ' .. set_error( 'bad_bibcode', {err_type});
text = text .. ' ' .. set_message( 'err_bad_bibcode', {err_type});
end
end
return text;
return text;
Line 391: Line 422:
--[[--------------------------< B I O R X I V >-----------------------------------------------------------------
--[[--------------------------< B I O R X I V >-----------------------------------------------------------------


Format bioRxiv id and do simple error checking.  Before 2019-12-11, biorXiv ids were 10.1101/ followed by exactly
Format bioRxiv ID and do simple error checking.  Before 2019-12-11, biorXiv IDs were 10.1101/ followed by exactly
6 digits.  After 2019-12-11, biorXiv ids retained the six-digit identifier but prefixed that with a yyyy.mm.dd.  
6 digits.  After 2019-12-11, biorXiv IDs retained the six-digit identifier but prefixed that with a yyyy.mm.dd.  
date and suffixed with an optional version identifier.
date and suffixed with an optional version identifier.


The bioRxiv id is the string of characters:
The bioRxiv ID is the string of characters:
https://doi.org/10.1101/078733 -> 10.1101/078733
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:
or a date followed by a six-digit number followed by an optional version indicator 'v' and one or more digits:
Line 412: Line 443:
'^10.1101/(20[1-9]%d)%.([01]%d)%.([0-3]%d)%.%d%d%d%d%d%dv%d+$', -- y.m.d. date + 6-digit identifier + version (after 2019-12-11)
'^10.1101/(20[1-9]%d)%.([01]%d)%.([0-3]%d)%.%d%d%d%d%d%dv%d+$', -- y.m.d. date + 6-digit identifier + version (after 2019-12-11)
'^10.1101/(20[1-9]%d)%.([01]%d)%.([0-3]%d)%.%d%d%d%d%d%d$', -- y.m.d. date + 6-digit identifier (after 2019-12-11)
'^10.1101/(20[1-9]%d)%.([01]%d)%.([0-3]%d)%.%d%d%d%d%d%d$', -- 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
for _, pattern in ipairs (patterns) do -- spin through the patterns looking for a match
Line 419: Line 450:


if m then -- m is nil when id is the six-digit form
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)
if not is_valid_biorxiv_date (y .. '-' .. m .. '-' .. d) then -- validate the encoded date; TODO: don't ignore leap-year and actual month lengths ({{#time:}} is a poor date validator)
break; -- date fail; break out early so we don't unset the error message
break; -- date fail; break out early so we don't unset the error message
end
end
Line 428: Line 459:
end -- err_cat remains set here when no match
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,
return external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect = handler.redirect,
prefix=handler.prefix,id=id,separator=handler.separator,
prefix = handler.prefix, id = id, separator = handler.separator,
encode=handler.encode, access=handler.access}) .. (err_cat and (' ' .. set_error( 'bad_biorxiv')) or '');
encode = handler.encode, access = handler.access}) .. (err_cat and (' ' .. set_message( 'err_bad_biorxiv')) or '');
end
end


Line 445: Line 476:
local matched;
local matched;
local text = external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
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,
prefix = handler.prefix, id = id, separator = handler.separator, encode = handler.encode,
access=handler.access});
access = handler.access});
matched = id:match ("^10%.1%.1%.[1-9]%d?%d?%d?%.[1-9]%d?%d?%d?$");
matched = id:match ("^10%.1%.1%.[1-9]%d?%d?%d?%.[1-9]%d?%d?%d?$");
if not matched then
if not matched then
text = text .. ' ' .. set_error( 'bad_citeseerx' );
text = text .. ' ' .. set_message( 'err_bad_citeseerx' );
end
end
return text;
return text;
Line 465: Line 496:
Suffix: character string of any length chosen by the registrant
Suffix: character string of any length chosen by the registrant


This function checks a DOI name for: prefix/suffix.  If the doi name contains spaces or endashes, or, if it ends
This function checks a DOI name for: prefix/suffix.  If the DOI name contains spaces or endashes, or, if it ends
with a period or a comma, this function will emit a bad_doi error message.
with a period or a comma, this function will emit a bad_doi error message.


DOI names are case-insensitive and can incorporate any printable Unicode characters so the test for spaces, endash,
DOI names are case-insensitive and can incorporate any printable Unicode characters so the test for spaces, endash,
and terminal punctuation may not be technically correct but it appears, that in practice these characters are rarely
and terminal punctuation may not be technically correct but it appears, that in practice these characters are rarely
if ever used in doi names.
if ever used in DOI names.


]]
]]


local function doi(id, inactive, access)
local function doi (id, inactive, access, ignore_invalid)
local cat = ""
local err_cat;
local handler = cfg.id_handlers['DOI'];
local handler = cfg.id_handlers['DOI'];
local text;
local text;
if is_set(inactive) then
if is_set (inactive) then
local inactive_year = inactive:match("%d%d%d%d") or ''; -- try to get the year portion from the inactive date
local inactive_year = inactive:match("%d%d%d%d") or ''; -- try to get the year portion from the inactive date
local inactive_month, good;
local inactive_month, good;
Line 492: Line 523:
end
end
else
else
inactive_year = nil; -- |doi-broken= has something but it isn't a date
inactive_year = nil; -- |doi-broken-date= has something but it isn't a date
end
end
if is_set(inactive_year) and is_set (inactive_month) then
if is_set(inactive_year) and is_set (inactive_month) then
table.insert( z.error_categories, 'Pages with DOIs inactive as of ' .. inactive_year .. ' ' .. inactive_month); -- use inactive month in category name
set_message ('maint_doi_inactive_dated', {inactive_year, inactive_month, ' '});
elseif is_set(inactive_year) then
elseif is_set(inactive_year) then
table.insert( z.error_categories, 'Pages with DOIs inactive as of ' .. inactive_year);
set_message ('maint_doi_inactive_dated', {inactive_year, '', ''});
else
else
table.insert( z.error_categories, 'Pages with inactive DOIs'); -- when inactive doesn't contain a recognizable date
set_message ('maint_doi_inactive');
end
end
inactive = " (" .. cfg.messages['inactive'] .. ' ' .. inactive .. ')';
inactive = " (" .. cfg.messages['inactive'] .. ' ' .. inactive .. ')';
end
end


text = external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
local registrant = id:match ('^10%.([^/]+)/[^%s–]-[^%.,]$'); -- registrant set when DOI has the proper basic form
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode, access=access}) .. (inactive or '')
 
local registrant = id:match ('^10%.([^/]+)/[^%s–]-[^%.,]$'); -- registrant set when doi has the proper basic form
registrant_err_patterns = { -- these patterns are for code ranges that are not supported  
local registrant_err_patterns = { -- these patterns are for code ranges that are not supported  
'^[^1-3]%d%d%d%d%.%d%d*$', -- 5 digits with subcode (0xxxx, 40000+); accecpts: 10000–39999
'^[^1-3]%d%d%d%d%.%d%d*$', -- 5 digits with subcode (0xxxx, 40000+); accepts: 10000–39999
'^[^1-4]%d%d%d%d$', -- 5 digits without subcode (0xxxx, 40000+); accecpts: 10000–49999
'^[^1-4]%d%d%d%d$', -- 5 digits without subcode (0xxxx, 40000+); accepts: 10000–49999
'^[^1-9]%d%d%d%.%d%d*$', -- 4 digits with subcode (0xxx); accecpts: 1000–9999
'^[^1-9]%d%d%d%.%d%d*$', -- 4 digits with subcode (0xxx); accepts: 1000–9999
'^[^1-9]%d%d%d$', -- 4 digits without subcode (0xxx); accecpts: 1000–9999
'^[^1-9]%d%d%d$', -- 4 digits without subcode (0xxx); accepts: 1000–9999
'^%d%d%d%d%d%d+', -- 6 or more digits
'^%d%d%d%d%d%d+', -- 6 or more digits
'^%d%d?%d?$', -- less than 4 digits without subcode (with subcode is legitimate)
'^%d%d?%d?$', -- less than 4 digits without subcode (with subcode is legitimate)
Line 520: Line 548:
'%s', -- any space character in registrant
'%s', -- any space character in registrant
}
}
 
if registrant then -- when doi has proper form
if not ignore_invalid then
for i, pattern in ipairs (registrant_err_patterns) do -- spin through error patterns
if registrant then -- when DOI has proper form
if registrant:match (pattern) then -- to validate registrant codes
for i, pattern in ipairs (registrant_err_patterns) do -- spin through error patterns
cat = ' ' .. set_error ('bad_doi'); -- when found, mark this doi as bad
if registrant:match (pattern) then -- to validate registrant codes
break; -- and done
err_cat = ' ' .. set_message ('err_bad_doi'); -- when found, mark this DOI as bad
break; -- and done
end
end
end
else
err_cat = ' ' .. set_message ('err_bad_doi'); -- invalid directory or malformed
end
end
else
else
cat = ' ' .. set_error ('bad_doi'); -- invalid directory or malformed
set_message ('maint_doi_ignore');
end
end


return text .. cat
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,
auto_link = not (err_cat or is_set (inactive) or ignore_invalid) and 'doi' or nil -- do not auto-link when |doi-broken-date= has a value or when there is a DOI error or (to play it safe, after all, auto-linking is not essential) when invalid DOIs are ignored
}) .. (inactive or '');
 
return text .. (err_cat and err_cat or ''); -- parentheses required
end
end


Line 552: Line 589:


Query string parameters are named here: http://www.handle.net/proxy_servlet.html.  query strings are not displayed
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
but since '?' is an allowed 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.
have to detect the query string so that it isn't URL-encoded with the rest of the identifier.


]]
]]
Line 584: Line 621:


if found then
if found then
id = hdl; -- found so replace id with the handle portion; this will be url encoded, suffix will not
id = hdl; -- found so replace id with the handle portion; this will be URL-encoded, suffix will not
else
else
suffix = ''; -- make sure suffix is empty string for concatenation else
suffix = ''; -- make sure suffix is empty string for concatenation else
end
end


local text = external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
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})
prefix = handler.prefix, id = id, suffix = suffix, separator = handler.separator, encode = handler.encode, access = access})


if nil == id:match("^[^%s–]-/[^%s–]-[^%.,]$") then -- hdl must contain a fwd slash, must not contain spaces, endashes, and must not end with period or comma
if nil == id:match("^[^%s–]-/[^%s–]-[^%.,]$") then -- HDL must contain a forward slash, must not contain spaces, endashes, and must not end with period or comma
text = text .. ' ' .. set_error( 'bad_hdl' );
text = text .. ' ' .. set_message( 'err_bad_hdl' );
end
end
return text;
return text;
Line 605: Line 642:
]]
]]


local function isbn( isbn_str )
local function isbn (isbn_str, ignore_invalid)
if nil ~= isbn_str:match("[^%s-0-9X]") then
local handler = cfg.id_handlers['ISBN'];
return false, cfg.err_msg_supl.char; -- fail if isbn_str contains anything but digits, hyphens, or the uppercase X
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,
prefix = handler.prefix, id = isbn_str, separator = handler.separator});
if ignore_invalid then -- if ignoring ISBN errors
set_message ('maint_isbn_ignore'); -- add a maint category even when there is no error
else -- here when not ignoring
if not check then -- and there is an error
return ISBN .. set_message ('err_bad_isbn', {err_type}, false, ' '); -- display an error message
end
end
return ISBN;
end
end
isbn_str = isbn_str:gsub( "-", "" ):gsub( " ", "" ); -- remove hyphens and spaces
 
local len = isbn_str:len();
if nil ~= isbn_str:match ('[^%s-0-9X]') then
return return_result (false, cfg.err_msg_supl.char); -- fail if isbn_str contains anything but digits, hyphens, or the uppercase X
end
 
local id = isbn_str:gsub ('[%s-]', ''); -- remove hyphens and whitespace
 
local len = id:len();
   
   
if len ~= 10 and len ~= 13 then
if len ~= 10 and len ~= 13 then
return false, cfg.err_msg_supl.length; -- fail if incorrect length
return return_result (false, cfg.err_msg_supl.length); -- fail if incorrect length
end
end


if len == 10 then
if len == 10 then
if isbn_str:match( "^%d*X?$" ) == nil then -- fail if isbn_str has 'X' anywhere but last position
if id:match ('^%d*X?$') == nil then -- fail if isbn_str has 'X' anywhere but last position
return false, cfg.err_msg_supl.form;
return return_result (false, cfg.err_msg_supl.form);
end
end
return is_valid_isxn(isbn_str, 10), cfg.err_msg_supl.check;
return return_result (is_valid_isxn(id, 10), cfg.err_msg_supl.check);
else
else
if isbn_str:match( "^%d+$" ) == nil then
if id:match ('^%d+$') == nil then
return false, cfg.err_msg_supl.char; -- fail if isbn13 is not all digits
return return_result (false, cfg.err_msg_supl.char); -- fail if ISBN-13 is not all digits
end
end
if isbn_str:match( "^97[89]%d*$" ) == nil then
if id:match ('^97[89]%d*$') == nil then
return false, cfg.err_msg_supl.prefix; -- fail when isbn13 does not begin with 978 or 979
return return_result (false, cfg.err_msg_supl.prefix); -- fail when ISBN-13 does not begin with 978 or 979
end
end
if isbn_str:match ('^9790') then
if id:match ('^9790') then
return false, cfg.err_msg_supl.group; -- group identifier '0' is reserved to ismn
return return_result (false, cfg.err_msg_supl.group); -- group identifier '0' is reserved to ISMN
end
end
return is_valid_isxn_13 (isbn_str), cfg.err_msg_supl.check;
return return_result (is_valid_isxn_13 (id), cfg.err_msg_supl.check);
end
end
end
end




--[[--------------------------< A M A Z O N >------------------------------------------------------------------
--[[--------------------------< A S I N >----------------------------------------------------------------------


Formats a link to Amazon.  Do simple error checking: asin must be mix of 10 numeric or uppercase alpha
Formats a link to Amazon.  Do simple error checking: ASIN must be mix of 10 numeric or uppercase alpha
characters.  If a mix, first character must be uppercase alpha; if all numeric, asins must be 10-digit
characters.  If a mix, first character must be uppercase alpha; if all numeric, ASINs must be 10-digit
isbn. If 10-digit isbn, add a maintenance category so a bot or awb script can replace |asin= with |isbn=.
ISBN. If 10-digit ISBN, add a maintenance category so a bot or AWB script can replace |asin= with |isbn=.
Error message if not 10 characters, if not isbn10, if mixed and first character is a digit.
Error message if not 10 characters, if not ISBN-10, if mixed and first character is a digit.
 
|asin=630....... is (apparently) not a legitimate ISBN though it checksums as one; these do not cause this
function to emit the maint_asin message


This function is positioned here because it calls isbn()
This function is positioned here because it calls isbn()
Line 647: Line 703:
]]
]]


local function asin(id, domain)
local function asin (id, domain)
local err_cat = ""
local err_cat = ""


if not id:match("^[%d%u][%d%u][%d%u][%d%u][%d%u][%d%u][%d%u][%d%u][%d%u][%d%u]$") then
if not id:match("^[%d%u][%d%u][%d%u][%d%u][%d%u][%d%u][%d%u][%d%u][%d%u][%d%u]$") then
err_cat = ' ' .. set_error ('bad_asin'); -- asin is not a mix of 10 uppercase alpha and numeric characters
err_cat = ' ' .. set_message ('err_bad_asin'); -- ASIN is not a mix of 10 uppercase alpha and numeric characters
else
else
if id:match("^%d%d%d%d%d%d%d%d%d[%dX]$") then -- if 10-digit numeric (or 9 digits with terminal X)
if id:match("^%d%d%d%d%d%d%d%d%d[%dX]$") then -- if 10-digit numeric (or 9 digits with terminal X)
if isbn( id ) then -- see if asin value is isbn10
if isbn (id) then -- see if ASIN value is or validates as ISBN-10
add_maint_cat ('ASIN');
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
elseif not is_set (err_cat) then
elseif not is_set (err_cat) then
err_cat = ' ' .. set_error ('bad_asin'); -- asin is not isbn10
err_cat = ' ' .. set_message ('err_bad_asin'); -- ASIN is not ISBN-10
end
end
elseif not id:match("^%u[%d%u]+$") then
elseif not id:match("^%u[%d%u]+$") then
err_cat = ' ' .. set_error ('bad_asin'); -- asin doesn't begin with uppercase alpha
err_cat = ' ' .. set_message ('err_bad_asin'); -- asin doesn't begin with uppercase alpha
end
end
end
end
if not is_set(domain) then  
if not is_set(domain) then  
domain = "com";
domain = "com";
elseif in_array (domain, {'jp', 'uk'}) then -- Japan, United Kingdom
elseif in_array (domain, {'jp', 'uk'}) then -- Japan, United Kingdom
domain = "co." .. domain;
domain = "co." .. domain;
elseif in_array (domain, {'au', 'br', 'mx'}) then -- Australia, Brazil, Mexico
elseif in_array (domain, {'au', 'br', 'mx'}) then -- Australia, Brazil, Mexico
domain = "com." .. domain;
domain = "com." .. domain;
end
end
local handler = cfg.id_handlers['ASIN'];
local handler = cfg.id_handlers['ASIN'];
return external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
return external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect = handler.redirect,
prefix=handler.prefix .. domain .. "/dp/",
prefix = handler.prefix .. domain .. "/dp/",
id=id, encode=handler.encode, separator = handler.separator}) .. err_cat;
id = id, encode = handler.encode, separator = handler.separator}) .. err_cat;
end
end


Line 679: Line 737:
--[[--------------------------< I S M N >----------------------------------------------------------------------
--[[--------------------------< I S M N >----------------------------------------------------------------------


Determines whether an ISMN string is valid.  Similar to isbn-13, ismn is 13 digits begining 979-0-... and uses the
Determines whether an ISMN string is valid.  Similar to ISBN-13, ISMN is 13 digits beginning 979-0-... and uses the
same check digit calculations.  See http://www.ismn-international.org/download/Web_ISMN_Users_Manual_2008-6.pdf
same check digit calculations.  See http://www.ismn-international.org/download/Web_ISMN_Users_Manual_2008-6.pdf
section 2, pages 9–12.
section 2, pages 9–12.
Line 692: Line 750:


id_copy = id; -- save a copy because this testing is destructive
id_copy = id; -- save a copy because this testing is destructive
id=id:gsub( "[%s-]", "" ); -- strip spaces, hyphens, and endashes from the ismn
id = id:gsub ('[%s-]', ''); -- remove hyphens and white space


if 13 ~= id:len() or id:match( "^9790%d*$" ) == nil then -- ismn must be 13 digits and begin 9790
if 13 ~= id:len() or id:match( "^9790%d*$" ) == nil then -- ISMN must be 13 digits and begin with 9790
valid_ismn = false;
valid_ismn = false;
else
else
valid_ismn=is_valid_isxn_13 (id); -- validate ismn
valid_ismn=is_valid_isxn_13 (id); -- validate ISMN
end
end


-- text = internal_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect, -- use this (or external version) when there is some place to link to
-- text = internal_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect = handler.redirect, -- use this (or external version) when there is some place to link to
-- prefix=handler.prefix, id=id_copy, separator=handler.separator, encode=handler.encode})
-- prefix = handler.prefix, id = id_copy, separator = handler.separator, encode = handler.encode})
local label_link = (cfg.use_identifier_redirects and is_set (handler.redirect) and handler.redirect) or wd_article or handler.link; -- because no place to link to yet


text = table.concat ( -- because no place to link to yet
text = table.concat ( -- because no place to link to yet
{
{
make_wikilink (label_link, handler.label),
make_wikilink (link_label_make (handler), handler.label),
handler.separator,
handler.separator,
id_copy
id_copy
Line 713: Line 769:


if false == valid_ismn then
if false == valid_ismn then
text = text .. ' ' .. set_error( 'bad_ismn' ) -- add an error message if the ismn is invalid
text = text .. ' ' .. set_message( 'err_bad_ismn' ) -- add an error message if the ISMN is invalid
end  
end  
Line 722: Line 778:
--[[--------------------------< I S S N >----------------------------------------------------------------------
--[[--------------------------< I S S N >----------------------------------------------------------------------


Validate and format an issn.  This code fixes the case where an editor has included an ISSN in the citation but
Validate and format an ISSN.  This code fixes the case where an editor has included an ISSN in the citation but
has separated the two groups of four digits with a space.  When that condition occurred, the resulting link looked
has separated the two groups of four digits with a space.  When that condition occurred, the resulting link looked
like this:
like this:
Line 728: Line 784:
|issn=0819 4327 gives: [http://www.worldcat.org/issn/0819 4327 0819 4327] -- can't have spaces in an external link
|issn=0819 4327 gives: [http://www.worldcat.org/issn/0819 4327 0819 4327] -- can't have spaces in an external link
This code now prevents that by inserting a hyphen at the issn midpoint.  It also validates the issn for length
This code now prevents that by inserting a hyphen at the ISSN midpoint.  It also validates the ISSN for length
and makes sure that the checkdigit agrees with the calculated value.  Incorrect length (8 digits), characters
and makes sure that the checkdigit agrees with the calculated value.  Incorrect length (8 digits), characters
other than 0-9 and X, or checkdigit / calculated value mismatch will all cause a check issn error message.  The
other than 0-9 and X, or checkdigit / calculated value mismatch will all cause a check ISSN error message.  The
issn is always displayed with a hyphen, even if the issn was given as a single group of 8 digits.
ISSN is always displayed with a hyphen, even if the ISSN was given as a single group of 8 digits.


]]
]]


local function issn(id, e)
local function issn (id, e, ignore_invalid)
local issn_copy = id; -- save a copy of unadulterated issn; use this version for display if issn does not validate
local issn_copy = id; -- save a copy of unadulterated ISSN; use this version for display if ISSN does not validate
local handler;
local handler;
local text;
local text;
local valid_issn = true;
local valid_issn = true;
if e then
handler = cfg.id_handlers[e and 'EISSN' or 'ISSN'];
handler = cfg.id_handlers['EISSN'];
else
handler = cfg.id_handlers['ISSN'];
end


id=id:gsub( "[%s-]", "" ); -- strip spaces, hyphens, and endashes from the issn
id = id:gsub ('[%s-]', ''); -- remove hyphens and whitespace


if 8 ~= id:len() or nil == id:match( "^%d*X?$" ) then -- validate the issn: 8 digits long, containing only 0-9 or X in the last position
if 8 ~= id:len() or nil == id:match( "^%d*X?$" ) 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
valid_issn = false; -- wrong length or improper character
else
else
valid_issn=is_valid_isxn(id, 8); -- validate issn
valid_issn = is_valid_isxn(id, 8); -- validate ISSN
end
end


Line 758: Line 810:
id = string.sub( id, 1, 4 ) .. "-" .. string.sub( id, 5 ); -- if valid, display correctly formatted version
id = string.sub( id, 1, 4 ) .. "-" .. string.sub( id, 5 ); -- if valid, display correctly formatted version
else
else
id = issn_copy; -- if not valid, use the show the invalid issn with error message
id = issn_copy; -- if not valid, show the invalid ISSN with error message
end
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 = external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect = handler.redirect,
text = text .. ' ' .. set_error( 'bad_issn', e and 'e' or '' ) -- add an error message if the issn is invalid
prefix = handler.prefix, id = id, separator = handler.separator, encode = handler.encode})
end  
 
if ignore_invalid then
set_message ('maint_issn_ignore');
else
if false == valid_issn then
text = text .. ' ' .. set_message ('err_bad_issn', e and 'e' or ''); -- add an error message if the ISSN is invalid
end
end
return text
return text
Line 786: Line 842:


if is_set (id_num) then
if is_set (id_num) then
add_maint_cat ('jfm_format');
set_message ('maint_jfm_format');
else -- plain number without mr prefix
else -- plain number without mr prefix
id_num = id; -- if here id does not have prefix
id_num = id; -- if here id does not have prefix
Line 794: Line 850:
id = id_num; -- jfm matches pattern
id = id_num; -- jfm matches pattern
else
else
err_cat = ' ' .. set_error( 'bad_jfm' ); -- set an error message
err_cat = ' ' .. set_message( 'err_bad_jfm' ); -- set an error message
end
end
return external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
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;
prefix = handler.prefix, id = id, separator = handler.separator, encode = handler.encode}) .. err_cat;
end
end


Line 809: Line 865:


length = 8 then all digits
length = 8 then all digits
length = 9 then lccn[1] is lower case alpha
length = 9 then lccn[1] is lowercase alpha
length = 10 then lccn[1] and lccn[2] are both lower case alpha or both digits
length = 10 then lccn[1] and lccn[2] are both lowercase alpha or both digits
length = 11 then lccn[1] is lower case alpha, lccn[2] and lccn[3] are both lower case alpha or both digits
length = 11 then lccn[1] is lower case alpha, lccn[2] and lccn[3] are both lowercase alpha or both digits
length = 12 then lccn[1] and lccn[2] are both lower case alpha
length = 12 then lccn[1] and lccn[2] are both lowercase alpha


]]
]]
Line 819: Line 875:
local handler = cfg.id_handlers['LCCN'];
local handler = cfg.id_handlers['LCCN'];
local err_cat = ''; -- presume that LCCN is valid
local err_cat = ''; -- presume that LCCN is valid
local id = lccn; -- local copy of the lccn
local id = lccn; -- local copy of the LCCN


id = normalize_lccn (id); -- get canonical form (no whitespace, hyphens, forward slashes)
id = normalize_lccn (id); -- get canonical form (no whitespace, hyphens, forward slashes)
local len = id:len(); -- get the length of the lccn
local len = id:len(); -- get the length of the LCCN


if 8 == len then
if 8 == len then
if id:match("[^%d]") then -- if LCCN has anything but digits (nil if only digits)
if id:match("[^%d]") then -- if LCCN has anything but digits (nil if only digits)
err_cat = ' ' .. set_error( 'bad_lccn' ); -- set an error message
err_cat = ' ' .. set_message ('err_bad_lccn'); -- set an error message
end
end
elseif 9 == len then -- LCCN should be adddddddd
elseif 9 == len then -- LCCN should be adddddddd
if nil == id:match("%l%d%d%d%d%d%d%d%d") then -- does it match our pattern?
if nil == id:match("%l%d%d%d%d%d%d%d%d") then -- does it match our pattern?
err_cat = ' ' .. set_error( 'bad_lccn' ); -- set an error message
err_cat = ' ' .. set_message ('err_bad_lccn'); -- set an error message
end
end
elseif 10 == len then -- LCCN should be aadddddddd or dddddddddd
elseif 10 == len then -- LCCN should be aadddddddd or dddddddddd
if id:match("[^%d]") then -- if LCCN has anything but digits (nil if only digits) ...
if id:match("[^%d]") then -- if LCCN has anything but digits (nil if only digits) ...
if nil == id:match("^%l%l%d%d%d%d%d%d%d%d") then -- ... see if it matches our pattern
if nil == id:match("^%l%l%d%d%d%d%d%d%d%d") then -- ... see if it matches our pattern
err_cat = ' ' .. set_error( 'bad_lccn' ); -- no match, set an error message
err_cat = ' ' .. set_message ('err_bad_lccn'); -- no match, set an error message
end
end
end
end
elseif 11 == len then -- LCCN should be aaadddddddd or adddddddddd
elseif 11 == len then -- LCCN should be aaadddddddd or adddddddddd
if not (id:match("^%l%l%l%d%d%d%d%d%d%d%d") or id:match("^%l%d%d%d%d%d%d%d%d%d%d")) then -- see if it matches one of our patterns
if not (id:match("^%l%l%l%d%d%d%d%d%d%d%d") or id:match("^%l%d%d%d%d%d%d%d%d%d%d")) then -- see if it matches one of our patterns
err_cat = ' ' .. set_error( 'bad_lccn' ); -- no match, set an error message
err_cat = ' ' .. set_message ('err_bad_lccn'); -- no match, set an error message
end
end
elseif 12 == len then -- LCCN should be aadddddddddd
elseif 12 == len then -- LCCN should be aadddddddddd
if not id:match("^%l%l%d%d%d%d%d%d%d%d%d%d") then -- see if it matches our pattern
if not id:match("^%l%l%d%d%d%d%d%d%d%d%d%d") then -- see if it matches our pattern
err_cat = ' ' .. set_error( 'bad_lccn' ); -- no match, set an error message
err_cat = ' ' .. set_message ('err_bad_lccn'); -- no match, set an error message
end
end
else
else
err_cat = ' ' .. set_error( 'bad_lccn' ); -- wrong length, set an error message
err_cat = ' ' .. set_message ('err_bad_lccn'); -- wrong length, set an error message
end
end


if not is_set (err_cat) and nil ~= lccn:find ('%s') then
if not is_set (err_cat) and nil ~= lccn:find ('%s') then
err_cat = ' ' .. set_error( 'bad_lccn' ); -- lccn contains a space, set an error message
err_cat = ' ' .. set_message ('err_bad_lccn'); -- lccn contains a space, set an error message
end
end


return external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
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;
prefix = handler.prefix, id = lccn, separator = handler.separator, encode = handler.encode}) .. err_cat;
end
end


Line 874: Line 930:


if is_set (id_num) then
if is_set (id_num) then
add_maint_cat ('mr_format');
set_message ('maint_mr_format'); -- add maint cat
else -- plain number without mr prefix
else -- plain number without mr prefix
id_num = id:match ('^%d+$'); -- if here id is all digits
id_num = id:match ('^%d+$'); -- if here id is all digits
Line 883: Line 939:
id = string.rep ('0', 7-id_len ) .. id_num; -- zero-fill leading digits
id = string.rep ('0', 7-id_len ) .. id_num; -- zero-fill leading digits
else
else
err_cat = ' ' .. set_error( 'bad_mr' ); -- set an error message
err_cat = ' ' .. set_message ('err_bad_mr'); -- set an error message
end
end
return external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
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;
prefix = handler.prefix, id = id, separator = handler.separator, encode = handler.encode}) .. err_cat;
end
end


Line 893: Line 949:
--[[--------------------------< O C L C >----------------------------------------------------------------------
--[[--------------------------< O C L C >----------------------------------------------------------------------


Validate and format an oclc id.  https://www.oclc.org/batchload/controlnumber.en.html {{dead link}}
Validate and format an OCLC ID.  https://www.oclc.org/batchload/controlnumber.en.html {{dead link}}
archived at: https://web.archive.org/web/20161228233804/https://www.oclc.org/batchload/controlnumber.en.html
archived at: https://web.archive.org/web/20161228233804/https://www.oclc.org/batchload/controlnumber.en.html


Line 912: Line 968:
number = id:match('%(OCoLC%)([1-9]%d*)'); -- get the number
number = id:match('%(OCoLC%)([1-9]%d*)'); -- get the number
if 9 < number:len() then
if 9 < number:len() then
number = nil; -- contrain to 1 to 9 digits; change this when oclc issues 10-digit numbers
number = nil; -- constrain to 1 to 9 digits; change this when OCLC issues 10-digit numbers
end
end
elseif id:match('^%d+$') then -- no prefix
elseif id:match('^%d+$') then -- no prefix
number = id; -- get the number
number = id; -- get the number
if 10 < number:len() then
if 10 < number:len() then
number = nil; -- contrain to 1 to 10 digits; change this when oclc issues 11-digit numbers
number = nil; -- constrain to 1 to 10 digits; change this when OCLC issues 11-digit numbers
end
end
end
end
Line 924: Line 980:
id = number; -- exclude prefix, if any, from external link
id = number; -- exclude prefix, if any, from external link
else
else
err_msg = ' ' .. set_error( 'bad_oclc' ) -- add an error message if the id is malformed
err_msg = ' ' .. set_message ('err_bad_oclc') -- add an error message if the id is malformed
end
end
local text = external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
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;
prefix = handler.prefix, id = id, separator = handler.separator, encode = handler.encode}) .. err_msg;


return text;
return text;
Line 941: Line 997:


local function openlibrary(id, access)
local function openlibrary(id, access)
local code;
local handler = cfg.id_handlers['OL'];
local handler = cfg.id_handlers['OL'];
local ident;
local ident, code = id:gsub('^OL', ''):match("^(%d+([AMW]))$"); -- strip optional OL prefix followed immediately by digits followed by 'A', 'M', or 'W';
local error_msg = '';
ident, code = id:gsub('^OL', ''):match("^(%d+([AMW]))$"); -- optional OL prefix followed immediately by digits followed by 'A', 'M', or 'W'; remove OL prefix
local prefix = { -- these are appended to the handler.prefix according to code
['A']='authors/OL',
['M']='books/OL',
['W']='works/OL',
['X']='OL' -- not a code; spoof when 'code' in id is invalid
};


if not is_set (ident) then -- if malformed return an error
if not ident then
return external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
code = 'X'; -- no code or id completely invalid
prefix=handler.prefix .. 'OL',
ident = id; -- copy id to ident so that we display the flawed identifier
id=id, separator=handler.separator, encode = handler.encode,
error_msg = ' ' .. set_message ('err_bad_ol');
access = access}) .. ' ' .. set_error( 'bad_ol' );
end
id = ident; -- use ident without the optional OL prefix (it has been removed)
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,
access = access})
end
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,
access = access})
end
end


if ( code == "W" ) then
return external_link_id ({link = handler.link, label = handler.label, q = handler.q, redirect = handler.redirect,
return external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
prefix = handler.prefix .. prefix[code],
prefix=handler.prefix .. 'works/OL',
id = ident, separator = handler.separator, encode = handler.encode,
id=id, separator=handler.separator, encode = handler.encode,
access = access}) .. error_msg;
access = access})
end
end
end


Line 996: Line 1,037:
]]
]]


local function pmc(id, embargo)
local function pmc (id, embargo)
local handler = cfg.id_handlers['PMC'];
local handler = cfg.id_handlers['PMC'];
local err_cat = ''; -- presume that PMC is valid
local err_cat;
local id_num;
local id_num;
local text;
local text;
 
id_num = id:match ('^[Pp][Mm][Cc](%d+)$'); -- identifier with pmc prefix
id_num = id:match ('^[Pp][Mm][Cc](%d+)$'); -- identifier with PMC prefix


if is_set (id_num) then
if is_set (id_num) then
add_maint_cat ('pmc_format');
set_message ('maint_pmc_format');
else -- plain number without pmc prefix
else -- plain number without PMC prefix
id_num = id:match ('^%d+$'); -- if here id is all digits
id_num = id:match ('^%d+$'); -- if here id is all digits
end
end
Line 1,013: Line 1,054:
id_num = tonumber(id_num); -- convert id_num to a number for range testing
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
if 1 > id_num or handler.id_limit < id_num then -- if PMC is outside test limit boundaries
err_cat = ' ' .. set_error( 'bad_pmc' ); -- set an error message
err_cat = ' ' .. set_message ('err_bad_pmc'); -- set an error message
else
else
id = tostring (id_num); -- make sure id is a string
id = tostring (id_num); -- make sure id is a string
end
end
else -- when id format incorrect
else -- when id format incorrect
err_cat = ' ' .. set_error( 'bad_pmc' ); -- set an error message
err_cat = ' ' .. set_message ('err_bad_pmc'); -- set an error message
end
end
if is_set (embargo) then -- is PMC is still embargoed?
if is_set (embargo) and is_set (is_embargoed (embargo)) then -- is PMC is still embargoed?
text = table.concat ( -- still embargoed so no external link
text = table.concat ( -- still embargoed so no external link
{
{
make_wikilink (handler.link, handler.label),
make_wikilink (link_label_make (handler), handler.label),
handler.separator,
handler.separator,
id,
id,
err_cat
(err_cat and err_cat or '') -- parens required
});
});
else
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
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;
prefix = handler.prefix, id = id, separator = handler.separator, encode = handler.encode, access = handler.access,
auto_link = not err_cat and 'pmc' or nil -- do not auto-link when PMC has error
}) .. (err_cat and err_cat or ''); -- parentheses required
end
end
return text;
return text;
Line 1,050: Line 1,093:
if id:match("[^%d]") then -- if PMID has anything but digits
if id:match("[^%d]") then -- if PMID has anything but digits
err_cat = ' ' .. set_error( 'bad_pmid' ); -- set an error message
err_cat = ' ' .. set_message ('err_bad_pmid'); -- set an error message
else -- PMID is only digits
else -- PMID is only digits
local id_num = tonumber(id); -- convert id to a number for range testing
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
if 1 > id_num or handler.id_limit < id_num then -- if PMID is outside test limit boundaries
err_cat = ' ' .. set_error( 'bad_pmid' ); -- set an error message
err_cat = ' ' .. set_message ('err_bad_pmid'); -- set an error message
end
end
end
end
return external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
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;
prefix = handler.prefix, id = id, separator = handler.separator, encode = handler.encode}) .. err_cat;
end
end


Line 1,065: Line 1,108:
--[[--------------------------< S 2 C I D >--------------------------------------------------------------------
--[[--------------------------< S 2 C I D >--------------------------------------------------------------------


Format an s2cid, do simple error checking
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
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
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.
as more S2CIDs are issued.
Line 1,084: Line 1,127:
id_num = tonumber(id_num); -- convert id_num to a number for range testing
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
if handler.id_limit < id_num then -- if S2CID is outside test limit boundaries
err_cat = ' ' .. set_error( 'bad_s2cid' ); -- set an error message
err_cat = ' ' .. set_message ('bad_s2cid_err'); -- set an error message
end
end


else -- when id format incorrect
else -- when id format incorrect
err_cat = ' ' .. set_error( 'bad_s2cid' ); -- set an error message
err_cat = ' ' .. set_message ('bad_s2cid_err'); -- set an error message
end
end


text = external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
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;
prefix = handler.prefix, id = id:gsub ('%.%a%a', ''), separator = handler.separator, encode = handler.encode, access = access}) .. err_cat;


return text;
return text;
Line 1,100: Line 1,143:
--[[--------------------------< S B N >------------------------------------------------------------------------
--[[--------------------------< 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
9-digit form of ISBN-10; uses same check-digit validation when SBN is prefixed with an additional '0' to make 10 digits


]]
]]


local function sbn (id)
local function sbn (id, ignore_invalid)
local check;
local handler = cfg.id_handlers['SBN'];
local err_type = '';
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,
prefix = handler.prefix, id = id, separator = handler.separator});
if not ignore_invalid then -- if not ignoring SBN errors
if not check then
return SBN .. set_message ('err_bad_sbn', {err_type}, false, ' '); -- display an error message
end
else
set_message ('maint_isbn_ignore'); -- add a maint category even when there is no error (ToDo: Possibly switch to separate message for SBNs only)
end
return SBN;
end


if nil ~= id:match("[^%s-0-9X]") then
if 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
return return_result (false, cfg.err_msg_supl.char); -- fail if SBN contains anything but digits, hyphens, or the uppercase X
end
end


id=id:gsub( "[%s-]", "" ); -- strip spaces and hyphens from the sbn
local ident = id:gsub ('[%s-]', ''); -- remove hyphens and whitespace; they interfere with the rest of the tests


if  9 ~= id:len() then
if  9 ~= ident:len() then
return false, cfg.err_msg_supl.length; -- fail if incorrect length
return return_result (false, cfg.err_msg_supl.length); -- fail if incorrect length
end
end


if id:match( "^%d*X?$" ) == nil then -- fail if sbn has 'X' anywhere but last position
if ident:match ('^%d*X?$') == nil then
return false, cfg.err_msg_supl.form;
return return_result (false, cfg.err_msg_supl.form); -- fail if SBN has 'X' anywhere but last position
end
end


return is_valid_isxn('0' .. id, 10), cfg.err_msg_supl.check; -- prefix sbn with '0' and validate as isbn10
return return_result (is_valid_isxn ('0' .. ident, 10), cfg.err_msg_supl.check);
end
end


Line 1,128: Line 1,182:
--[[--------------------------< S S R N >----------------------------------------------------------------------
--[[--------------------------< S S R N >----------------------------------------------------------------------


Format an ssrn, do simple error checking
Format an SSRN, do simple error checking


SSRNs are sequential numbers beginning at 100? and counting up.  This code checks the ssrn to see that it is
SSRNs are sequential numbers beginning at 100? and counting up.  This code checks the SSRN to see that it is
only digits and is greater than 99 and less than test_limit; the value in local variable test_limit will need
only digits and is greater than 99 and less than test_limit; the value in local variable test_limit will need
to be updated periodically as more SSRNs are issued.
to be updated periodically as more SSRNs are issued.
Line 1,147: Line 1,201:
id_num = tonumber(id_num); -- convert id_num to a number for range testing
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
if 100 > id_num or handler.id_limit < id_num then -- if SSRN is outside test limit boundaries
err_cat = ' ' .. set_error( 'bad_ssrn' ); -- set an error message
err_cat = ' ' .. set_message ('err_bad_ssrn'); -- set an error message
end
end
else -- when id format incorrect
else -- when id format incorrect
err_cat = ' ' .. set_error( 'bad_ssrn' ); -- set an error message
err_cat = ' ' .. set_message ('err_bad_ssrn'); -- set an error message
end
end
text = external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
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;
prefix = handler.prefix, id = id, separator = handler.separator, encode = handler.encode, access = handler.access}) .. err_cat;


return text;
return text;
Line 1,170: Line 1,224:
local handler = cfg.id_handlers['USENETID'];
local handler = cfg.id_handlers['USENETID'];


local text = external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
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})
prefix = handler.prefix, id = id, separator = handler.separator, encode = handler.encode})
   
   
if not id:match('^.+@.+$') or not id:match('^[^<].*[^>]$')then -- doesn't have '@' or has one or first or last character is '< or '>'
if not id:match('^.+@.+$') or not id:match('^[^<].*[^>]$') then -- doesn't have '@' or has one or first or last character is '< or '>'
text = text .. ' ' .. set_error( 'bad_usenet_id' ) -- add an error message if the message id is invalid
text = text .. ' ' .. set_message ('err_bad_usenet_id') -- add an error message if the message id is invalid
end  
end  
Line 1,196: Line 1,250:
if id:match('^%d%d%d%d%d%d%d%d$') then -- is this identifier using temporary format?
if id:match('^%d%d%d%d%d%d%d%d$') then -- is this identifier using temporary format?
add_maint_cat ('zbl'); -- yes, add maint cat
set_message ('maint_zbl'); -- yes, add maint cat
elseif not id:match('^%d?%d?%d?%d%.%d%d%d%d%d$') then -- not temporary, is it normal format?
elseif not id:match('^%d?%d?%d?%d%.%d%d%d%d%d$') then -- not temporary, is it normal format?
err_cat = ' ' .. set_error( 'bad_zbl' ); -- no, set an error message
err_cat = ' ' .. set_message ('err_bad_zbl'); -- no, set an error message
end
end
return external_link_id ({link=handler.link, label=handler.label, q=handler.q, redirect=handler.redirect,
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;
prefix = handler.prefix, id = id, separator = handler.separator, encode = handler.encode}) .. err_cat;
end
end


Line 1,220: Line 1,274:
local function build_id_list( id_list, options )
local function build_id_list( id_list, options )
local new_list, handler = {};
local new_list, handler = {};
local accept;


local function fallback(k) return { __index = function(t,i) return cfg.id_handlers[k][i] end } end;
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 -- k is uc identifier name as index to cfg.id_handlers; e.g. cfg.id_handlers['ISBN'], v is a table
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
-- fallback to read-only cfg
handler = setmetatable( { ['id'] = v, ['access'] = options.IdAccessLevels[k] }, fallback(k) );
handler = setmetatable( { ['id'] = v, ['access'] = options.IdAccessLevels[k] }, fallback(k) );
Line 1,244: Line 1,302:
table.insert( new_list, {handler.label, citeseerx( v ) } );
table.insert( new_list, {handler.label, citeseerx( v ) } );
elseif k == 'DOI' then
elseif k == 'DOI' then
table.insert( new_list, {handler.label, doi( v, options.DoiBroken, handler.access ) } );
table.insert( new_list, {handler.label, doi( v, options.DoiBroken, handler.access, accept) } );
elseif k == 'EISSN' then
elseif k == 'EISSN' then
table.insert( new_list, {handler.label, issn( v, true ) } ); -- true distinguishes eissn from issn
table.insert( new_list, {handler.label, issn( v, true, accept) } ); -- true distinguishes EISSN from ISSN
elseif k == 'HDL' then
elseif k == 'HDL' then
table.insert( new_list, {handler.label, hdl( v, handler.access ) } );
table.insert( new_list, {handler.label, hdl( v, handler.access ) } );
elseif k == 'ISBN' then
elseif k == 'ISBN' then
local ISBN = internal_link_id( handler );
table.insert( new_list, {handler.label, isbn (v, (accept or options.IgnoreISBN)) } );
local check;
local err_type = '';
check, err_type = isbn( v );
if not check then
if is_set(options.IgnoreISBN) then -- ISBN is invalid; if |ignore-isbn-error= set
add_maint_cat ('ignore_isbn_err'); -- ad a maint category
else
ISBN = ISBN .. set_error( 'bad_isbn', {err_type}, false, " ", "" ); -- else display an error message
end
elseif is_set(options.IgnoreISBN) then -- ISBN is OK; if |ignore-isbn-error= set
add_maint_cat ('ignore_isbn_err'); -- because |ignore-isbn-error= unnecessary
end
table.insert( new_list, {handler.label, ISBN } );
elseif k == 'ISMN' then
elseif k == 'ISMN' then
table.insert( new_list, {handler.label, ismn( v ) } );
table.insert( new_list, {handler.label, ismn( v ) } );
elseif k == 'ISSN' then
elseif k == 'ISSN' then
table.insert( new_list, {handler.label, issn( v ) } );
table.insert( new_list, {handler.label, issn( v, false, accept) } );
elseif k == 'JFM' then
elseif k == 'JFM' then
table.insert( new_list, {handler.label, jfm( v ) } );
table.insert( new_list, {handler.label, jfm( v ) } );
Line 1,285: Line 1,330:
table.insert( new_list, {handler.label, s2cid( v, handler.access ) } );
table.insert( new_list, {handler.label, s2cid( v, handler.access ) } );
elseif k == 'SBN' then
elseif k == 'SBN' then
local SBN = internal_link_id (handler);
table.insert( new_list, {handler.label, sbn (v, accept) } );
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
elseif k == 'SSRN' then
table.insert( new_list, {handler.label, ssrn( v ) } );
table.insert( new_list, {handler.label, ssrn( v ) } );
Line 1,321: Line 1,359:
Populates ID table from arguments using configuration settings. Loops through cfg.id_handlers and searches args for
Populates ID table from arguments using configuration settings. Loops through cfg.id_handlers and searches args for
any of the parameters listed in each cfg.id_handlers['...'].parameters.  If found, adds the parameter and value to
any of the parameters listed in each cfg.id_handlers['...'].parameters.  If found, adds the parameter and value to
the identifier list.  Emits redundant error message is more than one alias exists in args
the identifier list.  Emits redundant error message if more than one alias exists in args


]]
]]
Line 1,327: Line 1,365:
local function extract_ids( args )
local function extract_ids( args )
local id_list = {}; -- list of identifiers found in args
local id_list = {}; -- list of identifiers found in args
for k, v in pairs( cfg.id_handlers ) do -- k is uc identifier name as index to cfg.id_handlers; e.g. cfg.id_handlers['ISBN'], v is a table
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, 'redundant_parameters' ); -- v.parameters is a table of aliases for k; here we pick one from args if present
v = select_one( args, v.parameters, '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
if is_set(v) then id_list[k] = v; end -- if found in args, add identifier to our list
Line 1,353: Line 1,391:
if is_set (access_level) then
if is_set (access_level) then
if not in_array (access_level, cfg.keywords_lists['id-access']) then -- exact match required
if not in_array (access_level, cfg.keywords_lists['id-access']) then -- exact match required
table.insert( z.message_tail, { set_error( 'invalid_param_val', {access_param, access_level}, true ) } );
table.insert( z.message_tail, { set_message( 'invalid_param_val', {access_param, access_level}, true ) } );
access_level = nil; -- invalid so unset
access_level = nil; -- invalid so unset
end
end
if not is_set(id_list[k]) then -- identifer access-level must have a matching identifier
if not is_set(id_list[k]) then -- identifier access-level must have a matching identifier
table.insert( z.message_tail, { set_error( 'param_access_requires_param', {k:lower()}, true ) } ); -- param name is uppercase in cfg.id_handlers (k); lowercase for error message
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
end
id_accesses_list[k] = cfg.keywords_xlate[access_level]; -- get translated keyword
id_accesses_list[k] = cfg.keywords_xlate[access_level]; -- get translated keyword
Line 1,376: Line 1,414:
cfg = cfg_table_ptr;
cfg = cfg_table_ptr;


is_set = utilities_page_ptr.is_set; -- import functions from select Module:Citation/CS1/Utilities module
has_accept_as_written = utilities_page_ptr.has_accept_as_written; -- import functions from select Module:Citation/CS1/Utilities module
is_set = utilities_page_ptr.is_set;
in_array = utilities_page_ptr.in_array;
in_array = utilities_page_ptr.in_array;
set_error = utilities_page_ptr.set_error;
set_message = utilities_page_ptr.set_message;
select_one = utilities_page_ptr.select_one;
select_one = utilities_page_ptr.select_one;
add_maint_cat = utilities_page_ptr.add_maint_cat;
substitute = utilities_page_ptr.substitute;
substitute = utilities_page_ptr.substitute;
make_wikilink = utilities_page_ptr.make_wikilink;
make_wikilink = utilities_page_ptr.make_wikilink;
Line 1,392: Line 1,430:


return {
return {
auto_link_urls = auto_link_urls, -- table of identifier URLs to be used when auto-linking |title=
build_id_list = build_id_list,
build_id_list = build_id_list,
extract_ids = extract_ids,
extract_ids = extract_ids,
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