Difference between revisions of "Module:Citation/CS1"

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−
 
−
local z = {
 
−
error_categories = {}; -- for categorizing citations that contain errors
 
−
error_ids = {};
 
−
message_tail = {};
 
−
maintenance_cats = {}; -- for categorizing citations that aren't erroneous per se, but could use a little work
 
−
properties_cats = {}; -- for categorizing citations based on certain properties, language of source for instance
 
−
}
 
  
 
--[[--------------------------< F O R W A R D  D E C L A R A T I O N S >--------------------------------------
 
--[[--------------------------< F O R W A R D  D E C L A R A T I O N S >--------------------------------------
 
]]
 
]]
−
local dates, year_date_check -- functions in Module:Citation/CS1/Date_validation
 
  
−
local cfg = {}; -- table of configuration tables that are defined in Module:Citation/CS1/Configuration
+
local dates, year_date_check, reformat_dates, date_hyphen_to_dash, -- functions in Module:Citation/CS1/Date_validation
−
local whitelist = {}; -- talbe of tables listing valid template parameter names; defined in Module:Citation/CS1/Whitelist
+
date_name_xlate
 +
 
 +
local is_set, in_array, substitute, error_comment, set_error, select_one, -- functions in Module:Citation/CS1/Utilities
 +
add_maint_cat, wrap_style, safe_for_italics, is_wikilink, make_wikilink,
 +
strip_apostrophe_markup;
 +
 
 +
local z ={}; -- tables in Module:Citation/CS1/Utilities
 +
 
 +
local extract_ids, extract_id_access_levels, build_id_list, is_embargoed; -- functions in Module:Citation/CS1/Identifiers
 +
 
 +
local make_coins_title, get_coins_pages, COinS; -- functions in Module:Citation/CS1/COinS
 +
 
 +
local cfg = {}; -- table of configuration tables that are defined in Module:Citation/CS1/Configuration
 +
local whitelist = {}; -- table of tables listing valid template parameter names; defined in Module:Citation/CS1/Whitelist
 +
 
  
−
--[[--------------------------< I S _ S E T >------------------------------------------------------------------
+
--[[--------------------------< P A G E  S C O P E  V A R I A B L E S >--------------------------------------
  
−
Returns true if argument is set; false otherwise. Argument is 'set' when it exists (not nil) or when it is not an empty string.
+
delare variables here that have page-wide scope that are not brought in from other modules; thatare created here
−
This function is global because it is called from both this module and from Date validation
+
and used here
  
 
]]
 
]]
−
function is_set( var )
+
 
−
return not (var == nil or var == '');
+
local added_deprecated_cat; -- boolean flag so that the category is added only once
−
end
+
local added_prop_cats = {}; -- list of property categories that have been added to z.properties_cats
 +
local added_vanc_errs; -- boolean flag so we only emit one Vancouver error / category
 +
 
 +
local Frame; -- holds the module's frame table
 +
 
  
 
--[[--------------------------< F I R S T _ S E T >------------------------------------------------------------
 
--[[--------------------------< F I R S T _ S E T >------------------------------------------------------------
  
−
First set variable or nil if none
+
Locates and returns the first set value in a table of values where the order established in the table,
 +
left-to-right (or top-to-bottom), is the order in which the values are evaluated.  Returns nil if none are set.
 +
 
 +
This version replaces the original 'for _, val in pairs do' and a similar version that used ipairs.  With the pairs
 +
version the order of evaluation could not be guaranteed.  With the ipairs version, a nil value would terminate
 +
the for-loop before it reached the actual end of the list.
  
 
]]
 
]]
  
−
local function first_set(...)
+
local function first_set (list, count)
−
local list = {...};
+
local i = 1;
−
for _, var in pairs(list) do
+
while i <= count do -- loop through all items in list
−
if is_set( var ) then
+
if is_set( list[i] ) then
−
return var;
+
return list[i]; -- return the first set list member
 
end
 
end
 +
i = i + 1; -- point to next
 
end
 
end
 
end
 
end
  
−
--[[--------------------------< I N _ A R R A Y >--------------------------------------------------------------
 
  
−
Whether needle is in haystack
+
--[[--------------------------< A D D _ P R O P _ C A T >--------------------------------------------------------
 +
 
 +
Adds a category to z.properties_cats using names from the configuration file with additional text if any.
 +
 
 +
foreign_lang_source and foreign_lang_source_2 keys have a language code appended to them so that multiple languages
 +
may be categorized but multiples of the same language are not categorized.
 +
 
 +
added_prop_cats is a table declared in page scope variables above
  
 
]]
 
]]
  
−
local function in_array( needle, haystack )
+
local function add_prop_cat (key, arguments)
−
if needle == nil then
+
if not added_prop_cats [key] then
−
return false;
+
added_prop_cats [key] = true; -- note that we've added this category
−
end
+
key = key:gsub ('(foreign_lang_source_?2?)%a%a%a?', '%1'); -- strip lang code from keyname
−
for n,v in ipairs( haystack ) do
+
table.insert( z.properties_cats, substitute (cfg.prop_cats [key], arguments)); -- make name then add to table
−
if v == needle then
 
−
return n;
 
−
end
 
 
end
 
end
−
return false;
 
 
end
 
end
  
−
--[[--------------------------< S U B S T I T U T E >----------------------------------------------------------
 
  
−
Populates numbered arguments in a message string using an argument table.
+
--[[--------------------------< A D D _ V A N C _ E R R O R >----------------------------------------------------
 +
 
 +
Adds a single Vancouver system error message to the template's output regardless of how many error actually exist.
 +
To prevent duplication, added_vanc_errs is nil until an error message is emitted.
 +
 
 +
added_vanc_errs is a boolean declared in page scope variables above
  
 
]]
 
]]
  
−
local function substitute( msg, args )
+
local function add_vanc_error (source)
−
return args and mw.message.newRawMessage( msg, args ):plain() or msg;
+
if not added_vanc_errs then
 +
added_vanc_errs = true; -- note that we've added this category
 +
table.insert( z.message_tail, { set_error( 'vancouver', {source}, true ) } );
 +
end
 
end
 
end
  
−
--[[--------------------------< E R R O R _ C O M M E N T >----------------------------------------------------
 
  
−
Wraps error messages with css markup according to the state of hidden.
+
--[[--------------------------< I S _ S C H E M E >------------------------------------------------------------
 +
 
 +
does this thing that purports to be a uri scheme seem to be a valid scheme?  The scheme is checked to see if it
 +
is in agreement with http://tools.ietf.org/html/std66#section-3.1 which says:
 +
Scheme names consist of a sequence of characters beginning with a
 +
  letter and followed by any combination of letters, digits, plus
 +
  ("+"), period ("."), or hyphen ("-").
 +
 
 +
returns true if it does, else false
  
 
]]
 
]]
−
local function error_comment( content, hidden )
+
 
−
return substitute( hidden and cfg.presentation['hidden-error'] or cfg.presentation['visible-error'], content );
+
local function is_scheme (scheme)
 +
return scheme and scheme:match ('^%a[%a%d%+%.%-]*:'); -- true if scheme is set and matches the pattern
 
end
 
end
  
−
--[[--------------------------< S E T _ E R R O R >--------------------------------------------------------------
 
  
−
Sets an error condition and returns the appropriate error message.  The actual placement of the error message in the output is
+
--[=[-------------------------< I S _ D O M A I N _ N A M E >--------------------------------------------------
−
the responsibility of the calling function.
 
  
−
]]
+
Does this thing that purports to be a domain name seem to be a valid domain name?
−
local function set_error( error_id, arguments, raw, prefix, suffix )
+
 
−
local error_state = cfg.error_conditions[ error_id ];
+
Syntax defined here: http://tools.ietf.org/html/rfc1034#section-3.5
−
+
BNF defined here: https://tools.ietf.org/html/rfc4234
−
prefix = prefix or "";
+
Single character names are generally reserved; see https://tools.ietf.org/html/draft-ietf-dnsind-iana-dns-01#page-15;
−
suffix = suffix or "";
+
see also [[Single-letter second-level domain]]
−
+
list of tlds: https://www.iana.org/domains/root/db
−
if error_state == nil then
+
 
−
error( cfg.messages['undefined_error'] );
+
rfc952 (modified by rfc 1123) requires the first and last character of a hostname to be a letter or a digit.  Between
−
elseif is_set( error_state.category ) then
+
the first and last characters the name may use letters, digits, and the hyphen.
−
table.insert( z.error_categories, error_state.category );
+
 
 +
Also allowed are IPv4 addresses. IPv6 not supported
 +
 
 +
domain is expected to be stripped of any path so that the last character in the last character of the tld.  tld
 +
is two or more alpha characters.  Any preceding '//' (from splitting a url with a scheme) will be stripped
 +
here.  Perhaps not necessary but retained incase it is necessary for IPv4 dot decimal.
 +
 
 +
There are several tests:
 +
the first character of the whole domain name including subdomains must be a letter or a digit
 +
internationalized domain name (ascii characters with .xn-- ASCII Compatible Encoding (ACE) prefix xn-- in the tld) see https://tools.ietf.org/html/rfc3490
 +
single-letter/digit second-level domains in the .org, .cash, and .today TLDs
 +
q, x, and z SL domains in the .com TLD
 +
i and q SL domains in the .net TLD
 +
single-letter SL domains in the ccTLDs (where the ccTLD is two letters)
 +
two-character SL domains in gTLDs (where the gTLD is two or more letters)
 +
three-plus-character SL domains in gTLDs (where the gTLD is two or more letters)
 +
IPv4 dot-decimal address format; TLD not allowed
 +
 
 +
returns true if domain appears to be a proper name and tld or IPv4 address, else false
 +
 
 +
]=]
 +
 
 +
local function is_domain_name (domain)
 +
if not domain then
 +
return false; -- if not set, abandon
 
end
 
end
 
 
−
local message = substitute( error_state.message, arguments );
+
domain = domain:gsub ('^//', ''); -- strip '//' from domain name if present; done here so we only have to do it once
 
 
−
message = message .. " ([[" .. cfg.messages['help page link'] ..
+
if not domain:match ('^[%w]') then -- first character must be letter or digit
−
"#" .. error_state.anchor .. "|" ..
+
return false;
−
cfg.messages['help page label'] .. "]])";
 
−
 
−
z.error_ids[ error_id ] = true;
 
−
if in_array( error_id, { 'bare_url_missing_title', 'trans_missing_title' } )
 
−
and z.error_ids['citation_missing_title'] then
 
−
return '', false;
 
 
end
 
end
−
 
−
message = table.concat({ prefix, message, suffix });
 
−
 
−
if raw == true then
 
−
return message, error_state.hidden;
 
−
end
 
−
 
−
return error_comment( message, error_state.hidden );
 
−
end
 
  
−
--[[--------------------------< A D D _ M A I N T _ C A T >------------------------------------------------------
+
if domain:match ('^%a+:') then -- hack to detect things that look like s:Page:Title where Page: is namespace at wikisource
 +
return false;
 +
end
  
−
Adds a category to z.maintenance_cats using names from the configuration file with additional text if any.
+
local patterns = { -- patterns that look like urls
 +
'%f[%w][%w][%w%-]+[%w]%.%a%a+$', -- three or more character hostname.hostname or hostname.tld
 +
'%f[%w][%w][%w%-]+[%w]%.xn%-%-[%w]+$', -- internationalized domain name with ACE prefix
 +
'%f[%a][qxz]%.com$', -- assigned one character .com hostname (x.com times out 2015-12-10)
 +
'%f[%a][iq]%.net$', -- assigned one character .net hostname (q.net registered but not active 2015-12-10)
 +
'%f[%w][%w]%.%a%a$', -- one character hostname and cctld (2 chars)
 +
'%f[%w][%w][%w]%.%a%a+$', -- two character hostname and tld
 +
'^%d%d?%d?%.%d%d?%d?%.%d%d?%d?%.%d%d?%d?', -- IPv4 address
 +
}
  
−
]]
+
for _, pattern in ipairs (patterns) do -- loop through the patterns list
 +
if domain:match (pattern) then
 +
return true; -- if a match then we think that this thing that purports to be a url is a url
 +
end
 +
end
  
−
local function add_maint_cat (key, arguments)
+
for _, d in ipairs ({'cash', 'company', 'today', 'org'}) do -- look for single letter second level domain names for these top level domains
−
table.insert( z.maintenance_cats, substitute (cfg.maint_cats [key], arguments)); -- make name then add to table
+
if domain:match ('%f[%w][%w]%.' .. d) then
 +
return true
 +
end
 +
end
 +
return false; -- no matches, we don't know what this thing is
 
end
 
end
  
−
--[[--------------------------< A D D _ P R O P _ C A T >--------------------------------------------------------
 
  
−
Adds a category to z.properties_cats using names from the configuration file with additional text if any.
+
--[[--------------------------< I S _ U R L >------------------------------------------------------------------
 +
 
 +
returns true if the scheme and domain parts of a url appear to be a valid url; else false.
 +
 
 +
This function is the last step in the validation process.  This function is separate because there are cases that
 +
are not covered by split_url(), for example is_parameter_ext_wikilink() which is looking for bracketted external
 +
wikilinks.
  
 
]]
 
]]
  
−
local function add_prop_cat (key, arguments)
+
local function is_url (scheme, domain)
−
table.insert( z.properties_cats, substitute (cfg.prop_cats [key], arguments)); -- make name then add to table
+
if is_set (scheme) then -- if scheme is set check it and domain
−
end
+
return is_scheme (scheme) and is_domain_name (domain);
 +
else
 +
return is_domain_name (domain); -- scheme not set when url is protocol relative
 +
end
 +
end
  
−
--[[--------------------------< C H E C K _ U R L >------------------------------------------------------------
 
  
−
Determines whether a URL string is valid.
+
--[[--------------------------< S P L I T _ U R L >------------------------------------------------------------
  
−
At present the only check is whether the string appears to be prefixed with a URI scheme.  It is not determined whether
+
Split a url into a scheme, authority indicator, and domain.
−
the URI scheme is valid or whether the URL is otherwise well formed.
 
  
−
]]
+
First remove Fully Qualified Domain Name terminator (a dot following tld) (if any) and any path(/), query(?) or fragment(#).
  
−
local function check_url( url_str )
+
If protocol relative url, return nil scheme and domain else return nil for both scheme and domain.
−
return url_str:sub(1,2) == "//" or url_str:match( "^[^/]*:" ) ~= nil; -- Protocol-relative or URL scheme
 
−
end
 
  
−
--[[--------------------------< S A F E _ F O R _ I T A L I C S >----------------------------------------------
+
When not protocol relative, get scheme, authority indicator, and domain.  If there is an authority indicator (one
 +
or more '/' characters immediately following the scheme's colon), make sure that there are only 2.
  
−
Protects a string that will be wrapped in wiki italic markup '' ... ''
+
Strip off any port and path;
  
−
Note: We cannot use <i> for italics, as the expected behavior for italics specified by ''...'' in the title is that
+
]]
−
they will be inverted (i.e. unitalicized) in the resulting references.  In addition, <i> and '' tend to interact
 
−
poorly under Mediawiki's HTML tidy.
 
  
−
]]
+
local function split_url (url_str)
 +
local scheme, authority, domain;
 +
 +
url_str = url_str:gsub ('([%a%d])%.?[/%?#].*$', '%1'); -- strip FQDN terminator and path(/), query(?), fragment (#) (the capture prevents false replacement of '//')
  
−
local function safe_for_italics( str )
+
if url_str:match ('^//%S*') then -- if there is what appears to be a protocol relative url
−
if not is_set(str) then
+
domain = url_str:match ('^//(%S*)')
−
return str;
+
elseif url_str:match ('%S-:/*%S+') then -- if there is what appears to be a scheme, optional authority indicator, and domain name
−
else
+
scheme, authority, domain = url_str:match ('(%S-:)(/*)(%S+)'); -- extract the scheme, authority indicator, and domain portions
−
if str:sub(1,1) == "'" then str = "<span />" .. str; end
+
authority = authority:gsub ('//', '', 1); -- replace place 1 pair of '/' with nothing;
−
if str:sub(-1,-1) == "'" then str = str .. "<span />"; end
+
if is_set(authority) then -- if anything left (1 or 3+ '/' where authority should be) then
−
+
return scheme; -- return scheme only making domain nil which will cause an error message
−
-- Remove newlines as they break italics.
+
end
−
return str:gsub( '\n', ' ' );
+
domain = domain:gsub ('(%a):%d+', '%1'); -- strip port number if present
 
end
 
end
 +
 +
return scheme, domain;
 
end
 
end
  
−
--[[--------------------------< S A F E _ F O R _ U R L >------------------------------------------------------
 
  
−
Escape sequences for content that will be used for URL descriptions
+
--[[--------------------------< L I N K _ P A R A M _ O K >---------------------------------------------------
  
−
]]
+
checks the content of |title-link=, |series-link=, |author-link= etc for properly formatted content: no wikilinks, no urls
  
−
local function safe_for_url( str )
+
Link parameters are to hold the title of a wikipedia article so none of the WP:TITLESPECIALCHARACTERS are allowed:
−
if str:match( "%[%[.-%]%]" ) ~= nil then
+
# < > [ ] | { } _
−
table.insert( z.message_tail, { set_error( 'wikilink_in_url', {}, true ) } );
+
except the underscore which is used as a space in wiki urls and # which is used for section links
−
end
 
−
 
−
return str:gsub( '[%[%]\n]', {
 
−
['['] = '&#91;',
 
−
[']'] = '&#93;',
 
−
['\n'] = ' ' } );
 
−
end
 
  
−
--[[--------------------------< W R A P _ S T Y L E >----------------------------------------------------------
+
returns false when the value contains any of these characters.
  
−
Applies styling to various parameters.  Supplied string is wrapped using a message_list configuration taking one
+
When there are no illegal characters, this function returns TRUE if value DOES NOT appear to be a valid url (the
−
argument; protects italic styled parameters.  Additional text taken from citation_config.presentation - the reason
+
|<param>-link= parameter is ok); else false when value appears to be a valid url (the |<param>-link= parameter is NOT ok).
−
this function is similar to but separate from wrap_msg().
 
  
 
]]
 
]]
  
−
local function wrap_style (key, str)
+
local function link_param_ok (value)
−
if not is_set( str ) then
+
local scheme, domain;
−
return "";
+
if value:find ('[<>%[%]|{}]') then -- if any prohibited characters
−
elseif in_array( key, { 'italic-title', 'trans-italic-title' } ) then
+
return false;
−
str = safe_for_italics( str );
 
 
end
 
end
  
−
return substitute( cfg.presentation[key], {str} );
+
scheme, domain = split_url (value); -- get scheme or nil and domain or nil from url;
 +
return not is_url (scheme, domain); -- return true if value DOES NOT appear to be a valid url
 
end
 
end
  
−
--[[--------------------------< E X T E R N A L _ L I N K >----------------------------------------------------
 
  
−
Format an external link with error checking
+
--[[--------------------------< L I N K _ T I T L E _ O K >---------------------------------------------------
 +
 
 +
Use link_param_ok() to validate |<param>-link= value and its matching |<title>= value.
 +
 
 +
|<title>= may be wikilinked but not when |<param>-link= has a value.  This function emits an error message when
 +
that condition exists
  
 
]]
 
]]
  
−
local function external_link( URL, label, source )
+
local function link_title_ok (link, lorig, title, torig)
−
local error_str = "";
+
local orig;
−
if not is_set( label ) then
+
 
−
label = URL;
+
if is_set (link) then -- don't bother if <param>-link doesn't have a value
−
if is_set( source ) then
+
if not link_param_ok (link) then -- check |<param>-link= markup
−
error_str = set_error( 'bare_url_missing_title', { wrap_style ('parameter', source) }, false, " " );
+
orig = lorig; -- identify the failing link parameter
−
else
+
elseif title:find ('%[%[') then -- check |title= for wikilink markup
−
error( cfg.messages["bare_url_no_origin"] );
+
orig = torig; -- identify the failing |title= parameter
−
end
+
end
 
end
 
end
−
if not check_url( URL ) then
+
 
−
error_str = set_error( 'bad_url', {}, false, " " ) .. error_str;
+
if is_set (orig) then
 +
table.insert( z.message_tail, { set_error( 'bad_paramlink', orig)}); -- url or wikilink in |title= with |title-link=;
 
end
 
end
−
return table.concat({ "[", URL, " ", safe_for_url( label ), "]", error_str });
 
 
end
 
end
  
−
--[[--------------------------< E X T E R N A L _ L I N K _ I D >----------------------------------------------
 
  
−
Formats a wiki style external link
+
--[[--------------------------< C H E C K _ U R L >------------------------------------------------------------
 +
 
 +
Determines whether a URL string appears to be valid.
 +
 
 +
First we test for space characters.  If any are found, return false.  Then split the url into scheme and domain
 +
portions, or for protocol relative (//example.com) urls, just the domain.  Use is_url() to validate the two
 +
portions of the url.  If both are valid, or for protocol relative if domain is valid, return true, else false.
 +
 
 +
Because it is different from a standard url, and because this module used external_link() to make external links
 +
that work for standard and news: links, we validate newsgroup names here.  The specification for a newsgroup name
 +
is at https://tools.ietf.org/html/rfc5536#section-3.1.4
  
 
]]
 
]]
  
−
local function external_link_id(options)
+
local function check_url( url_str )
−
local url_string = options.id;
+
if nil == url_str:match ("^%S+$") then -- if there are any spaces in |url=value it can't be a proper url
−
if options.encode == true or options.encode == nil then
+
return false;
−
url_string = mw.uri.encode( url_string );
 
 
end
 
end
−
return mw.ustring.format( '[[%s|%s]]%s[%s%s%s %s]',
+
local scheme, domain;
−
options.link, options.label, options.separator or "&nbsp;",
 
−
options.prefix, url_string, options.suffix or "",
 
−
mw.text.nowiki(options.id)
 
−
);
 
−
end
 
  
−
--[[
+
scheme, domain = split_url (url_str); -- get scheme or nil and domain or nil from url;
−
Categorize and emit an error message when the citation contains one or more deprecated parameters.  Because deprecated parameters (currently |month=,
+
−
|coauthor=, and |coauthors=) aren't related to each other and because these parameters may be concatenated into the variables used by |date= and |author#= (and aliases)
+
if 'news:' == scheme then -- special case for newsgroups
−
details of which parameter caused the error message are not provided.  Only one error message is emitted regardless of the number of deprecated parameters in the citation.
+
return domain:match('^[%a%d%+%-_]+%.[%a%d%+%-_%.]*[%a%d%+%-_]$');
−
]]
 
−
local function deprecated_parameter(name)
 
−
if true ~= Page_in_deprecated_cat then -- if we haven't been here before then set a  
 
−
Page_in_deprecated_cat=true; -- sticky flag so that if there are more than one deprecated parameter the category is added only once
 
−
table.insert( z.message_tail, { set_error( 'deprecated_params', {name}, true ) } ); -- add error message
 
 
end
 
end
 +
 +
return is_url (scheme, domain); -- return true if value appears to be a valid url
 
end
 
end
  
−
--[[--------------------------< K E R N _ Q U O T E S >--------------------------------------------------------
 
  
−
Apply kerning to open the space between the quote mark provided by the Module and a leading or trailing quote mark contained in a |title= or |chapter= parameter's value.
+
--[=[-------------------------< I S _ P A R A M E T E R _ E X T _ W I K I L I N K >----------------------------
−
This function will positive kern either single or double quotes:
+
 
−
"'Unkerned title with leading and trailing single quote marks'"
+
Return true if a parameter value has a string that begins and ends with square brackets [ and ] and the first
−
" 'Kerned title with leading and trailing single quote marks' " (in real life the kerning isn't as wide as this example)
+
non-space characters following the opening bracket appear to be a url.  The test will also find external wikilinks
−
Double single quotes (italic or bold wikimarkup) are not kerned.
+
that use protocol relative urls. Also finds bare urls.
 +
 
 +
The frontier pattern prevents a match on interwiki links which are similar to scheme:path urls.  The tests that
 +
find bracketed urls are required because the parameters that call this test (currently |title=, |chapter=, |work=,
 +
and |publisher=) may have wikilinks and there are articles or redirects like '//Hus' so, while uncommon, |title=[[//Hus]]
 +
is possible as might be [[en://Hus]].
  
−
Call this function for chapter titles, for website titles, etc; not for book titles.
+
]=]
  
−
]]
+
local function is_parameter_ext_wikilink (value)
 +
local scheme, domain;
  
−
local function kern_quotes (str)
+
if value:match ('%f[%[]%[%a%S*:%S+.*%]') then -- if ext wikilink with scheme and domain: [xxxx://yyyyy.zzz]
−
local cap='';
+
scheme, domain = split_url (value:match ('%f[%[]%[(%a%S*:%S+).*%]'));
−
local cap2='';
+
elseif value:match ('%f[%[]%[//%S+.*%]') then -- if protocol relative ext wikilink: [//yyyyy.zzz]
−
+
scheme, domain = split_url (value:match ('%f[%[]%[(//%S+).*%]'));
−
cap, cap2 = str:match ("^([\"\'])([^\'].+)"); -- match leading double or single quote but not double single quotes
+
elseif value:match ('%a%S*:%S+') then -- if bare url with scheme; may have leading or trailing plain text
−
if is_set (cap) then
+
scheme, domain = split_url (value:match ('(%a%S*:%S+)'));
−
str = substitute (cfg.presentation['kern-left'], {cap, cap2});
+
elseif value:match ('//%S+') then -- if protocol relative bare url: //yyyyy.zzz; may have leading or trailing plain text
 +
scheme, domain = split_url (value:match ('(//%S+)')); -- what is left should be the domain
 +
else
 +
return false; -- didn't find anything that is obviously a url
 
end
 
end
  
−
cap, cap2 = str:match ("^(.+[^\'])([\"\'])$")
+
return is_url (scheme, domain); -- return true if value appears to be a valid url
−
if is_set (cap) then
 
−
str = substitute (cfg.presentation['kern-right'], {cap, cap2});
 
−
end
 
−
return str;
 
 
end
 
end
  
−
--[[--------------------------< F O R M A T _ S C R I P T _ V A L U E >----------------------------------------
 
  
−
|script-title= holds title parameters that are not written in Latin based scripts: Chinese, Japanese, Arabic, Hebrew, etc. These scripts should
+
--[[-------------------------< C H E C K _ F O R _ U R L >-----------------------------------------------------
−
not be italicized and may be written right-to-left.  The value supplied by |script-title= is concatenated onto Title after Title has been wrapped
 
−
in italic markup.
 
  
−
Regardless of language, all values provided by |script-title= are wrapped in <bdi>...</bdi> tags to isolate rtl languages from the English left to right.
+
loop through a list of parameters and their values. Look at the value and if it has an external link, emit an error message.
  
−
|script-title= provides a unique feature.  The value in |script-title= may be prefixed with a two-character ISO639-1 language code and a colon:
+
]]
−
|script-title=ja:*** *** (where * represents a Japanese character)
+
 
−
Spaces between the two-character code and the colon and the colon and the first script character are allowed:
+
local function check_for_url (parameter_list)
−
|script-title=ja : *** ***
+
local error_message = '';
−
|script-title=ja: *** ***
+
for k, v in pairs (parameter_list) do -- for each parameter in the list
−
|script-title=ja :*** ***
+
if is_parameter_ext_wikilink (v) then -- look at the value; if there is a url add an error message
−
Spaces preceding the prefix are allowed: |script-title = ja:*** ***
+
if is_set(error_message) then -- once we've added the first portion of the error message ...
 +
error_message=error_message .. ", "; -- ... add a comma space separator
 +
end
 +
error_message=error_message .. "&#124;" .. k .. "="; -- add the failed parameter
 +
end
 +
end
 +
if is_set (error_message) then -- done looping, if there is an error message, display it
 +
table.insert( z.message_tail, { set_error( 'param_has_ext_link', {error_message}, true ) } );
 +
end
 +
end
  
−
The prefix is checked for validity.  If it is a valid ISO639-1 language code, the lang attribute (lang="ja") is added to the <bdi> tag so that browsers can
 
−
know the language the tag contains.  This may help the browser render the script more correctly.  If the prefix is invalid, the lang attribute
 
−
is not added.  At this time there is no error message for this condition.
 
  
−
At this writing, only |script-title= is supported.  It is anticipated that additional parameters will be created to use this function.
+
--[[--------------------------< S A F E _ F O R _ U R L >------------------------------------------------------
 +
 
 +
Escape sequences for content that will be used for URL descriptions
  
−
TODO: error messages when prefix is invalid ISO639-1 code; when script_value has prefix but no script;
 
 
]]
 
]]
  
−
local function format_script_value (script_value)
+
local function safe_for_url( str )
−
local lang=''; -- initialize to empty string
+
if str:match( "%[%[.-%]%]" ) ~= nil then  
−
local name;
+
table.insert( z.message_tail, { set_error( 'wikilink_in_url', {}, true ) } );
−
if script_value:match('^%l%l%s*:') then -- if first 3 non-space characters are script language prefix
 
−
lang = script_value:match('^(%l%l)%s*:%s*%S.*'); -- get the language prefix or nil if there is no script
 
−
if not is_set (lang) then
 
−
return ''; -- script_value was just the prefix so return empty string
 
−
end
 
−
-- if we get this far we have prefix and script
 
−
name = mw.language.fetchLanguageName( lang, "en" ); -- get language name so that we can use it to categorize
 
−
if is_set (name) then -- is prefix a proper ISO 639-1 language code?
 
−
script_value = script_value:gsub ('^%l%l%s*:%s*', ''); -- strip prefix from script
 
−
-- is prefix one of these language codes?
 
−
if in_array (lang, {'ar', 'bg', 'bs', 'dv', 'el', 'fa', 'hy', 'ja', 'ka', 'ko', 'ku', 'he', 'ps', 'ru', 'sd', 'sr', 'th', 'uk', 'ug', 'yi', 'zh'}) then
 
−
add_prop_cat ('script_with_name', {name, lang})
 
−
else
 
−
add_prop_cat ('script')
 
−
end
 
−
lang = ' lang="' .. lang .. '" '; -- convert prefix into a lang attribute
 
−
else
 
−
lang = ''; -- invalid so set lang to empty string
 
−
end
 
 
end
 
end
−
script_value = substitute (cfg.presentation['bdi'], {lang, script_value}); -- isolate in case script is rtl
+
−
 
+
return str:gsub( '[%[%]\n]', {
−
return script_value;
+
['['] = '&#91;',
 +
[']'] = '&#93;',
 +
['\n'] = ' ' } );
 
end
 
end
  
−
--[[--------------------------< S C R I P T _ C O N C A T E N A T E >------------------------------------------
 
  
−
Initially for |title= and |script-title=, this function concatenates those two parameter values after the script value has been
+
--[[--------------------------< E X T E R N A L _ L I N K >----------------------------------------------------
−
wrapped in <bdi> tags.
 
−
]]
 
  
−
local function script_concatenate (title, script)
+
Format an external link with error checking
−
if is_set (script) then
 
−
script = format_script_value (script); -- <bdi> tags, lang atribute, categorization, etc; returns empty string on error
 
−
if is_set (script) then
 
−
title = title .. ' ' .. script; -- concatenate title and script title
 
−
end
 
−
end
 
−
return title;
 
−
end
 
  
 +
]]
  
−
--[[--------------------------< W R A P _ M S G >--------------------------------------------------------------
+
local function external_link( URL, label, source, access)
 +
local error_str = "";
 +
local domain;
 +
local path;
 +
local base_url;
  
−
Applies additional message text to various parameter values. Supplied string is wrapped using a message_list
+
if not is_set( label ) then
−
configuration taking one argument.  Supports lower case text for {{citation}} templates. Additional text taken
+
label = URL;
−
from citation_config.messages - the reason this function is similar to but separate from wrap_style().
+
if is_set( source ) then
−
 
+
error_str = set_error( 'bare_url_missing_title', { wrap_style ('parameter', source) }, false, " " );
−
]]
+
else
 +
error( cfg.messages["bare_url_no_origin"] );
 +
end
 +
end
 +
if not check_url( URL ) then
 +
error_str = set_error( 'bad_url', {wrap_style ('parameter', source)}, false, " " ) .. error_str;
 +
end
 +
 +
domain, path = URL:match ('^([/%.%-%+:%a%d]+)([/%?#].*)$'); -- split the url into scheme plus domain and path
 +
if path then -- if there is a path portion
 +
path = path:gsub ('[%[%]]', {['[']='%5b',[']']='%5d'}); -- replace '[' and ']' with their percent encoded values
 +
URL = table.concat ({domain, path}); -- and reassemble
 +
end
 +
 
 +
base_url = table.concat({ "[", URL, " ", safe_for_url (label), "]" }); -- assemble a wikimarkup url
  
−
local function wrap_msg (key, str, lower)
+
if is_set (access) then -- access level (subscription, registration, limited)
−
if not is_set( str ) then
+
base_url = substitute (cfg.presentation['ext-link-access-signal'], {cfg.presentation[access].class, cfg.presentation[access].title, base_url}); -- add the appropriate icon
−
return "";
 
 
end
 
end
−
if true == lower then
+
−
local msg;
+
return table.concat ({base_url, error_str});
−
msg = cfg.messages[key]:lower(); -- set the message to lower case before
 
−
str = substitute( msg, {str} ); -- including template text
 
−
return str;
 
−
else
 
−
return substitute( cfg.messages[key], {str} );
 
−
end
 
 
end
 
end
  
−
--[[--------------------------< S E L E C T _ O N E >----------------------------------------------------------
 
  
−
Chooses one matching parameter from a list of parameters to consider
+
--[[--------------------------< D E P R E C A T E D _ P A R A M E T E R >--------------------------------------
−
Generates an error if more than one match is present.
+
 
 +
Categorize and emit an error message when the citation contains one or more deprecated parameters.  The function includes the
 +
offending parameter name to the error message.  Only one error message is emitted regardless of the number of deprecated
 +
parameters in the citation.
 +
 
 +
added_deprecated_cat is a boolean declared in page scope variables above
  
 
]]
 
]]
  
−
local function select_one( args, possible, error_condition, index )
+
local function deprecated_parameter(name)
−
local value = nil;
+
if not added_deprecated_cat then
−
local selected = '';
+
added_deprecated_cat = true; -- note that we've added this category
−
local error_list = {};
+
table.insert( z.message_tail, { set_error( 'deprecated_params', {name}, true ) } ); -- add error message
−
+
end
−
if index ~= nil then index = tostring(index); end
+
end
−
+
 
−
-- Handle special case of "#" replaced by empty string
+
 
−
if index == '1' then
+
--[=[-------------------------< K E R N _ Q U O T E S >--------------------------------------------------------
−
for _, v in ipairs( possible ) do
+
 
−
v = v:gsub( "#", "" );
+
Apply kerning to open the space between the quote mark provided by the Module and a leading or trailing quote
−
if is_set(args[v]) then
+
mark contained in a |title= or |chapter= parameter's value.
−
if value ~= nil and selected ~= v then
+
 
−
table.insert( error_list, v );
+
This function will positive kern either single or double quotes:
−
else
+
"'Unkerned title with leading and trailing single quote marks'"
−
value = args[v];
+
" 'Kerned title with leading and trailing single quote marks' " (in real life the kerning isn't as wide as this example)
−
selected = v;
+
Double single quotes (italic or bold wikimarkup) are not kerned.
−
end
+
 
−
end
+
Replaces unicode quotemarks in plain text or in the label portion of a [[L|D]] style wikilink with typewriter
−
end
+
quote marks regardless of the need for kerning.  Unicode quote marks are not replaced in simple [[D]] wikilinks.
−
end
+
 
 +
Call this function for chapter titles, for website titles, etc; not for book titles.
 +
 
 +
]=]
 +
 
 +
local function kern_quotes (str)
 +
local cap='';
 +
local cap2='';
 +
local wl_type, label, link;
 +
 
 +
wl_type, label, link = is_wikilink (str); -- wl_type is: 0, no wl (text in label variable); 1, [[D]]; 2, [[L|D]]
 
 
−
for _, v in ipairs( possible ) do
+
if 1 == wl_type then -- [[D]] simple wikilink with or without quote marks
−
if index ~= nil then
+
if mw.ustring.match (str, '%[%[[\"“”\'‘’].+[\"“”\'‘’]%]%]') then -- leading and trailing quote marks
−
v = v:gsub( "#", index );
+
str = substitute (cfg.presentation['kern-wl-both'], str);
 +
elseif mw.ustring.match (str, '%[%[[\"“”\'‘’].+%]%]') then -- leading quote marks
 +
str = substitute (cfg.presentation['kern-wl-left'], str);
 +
elseif mw.ustring.match (str, '%[%[.+[\"“”\'‘’]%]%]') then -- trailing quote marks
 +
str = substitute (cfg.presentation['kern-wl-right'], str);
 
end
 
end
−
if is_set(args[v]) then
+
 
−
if value ~= nil and selected ~=  v then
+
else -- plain text or [[L|D]]; text in label variable
−
table.insert( error_list, v );
+
label= mw.ustring.gsub (label, '[“”]', '\"'); -- replace “” (U+201C & U+201D) with " (typewriter double quote mark)
−
else
+
label= mw.ustring.gsub (label, '[‘’]', '\''); -- replace ‘’ (U+2018 & U+2019) with ' (typewriter single quote mark)
−
value = args[v];
+
 
−
selected = v;
+
cap, cap2 = mw.ustring.match (label, "^([\"\'])([^\'].+)"); -- match leading double or single quote but not doubled single quotes (italic markup)
−
end
+
if is_set (cap) then
 +
label = substitute (cfg.presentation['kern-left'], {cap, cap2});
 
end
 
end
−
end
 
 
 
−
if #error_list > 0 then
+
cap, cap2 = mw.ustring.match (label, "^(.+[^\'])([\"\'])$") -- match trailing double or single quote but not doubled single quotes (italic markup)
−
local error_str = "";
+
if is_set (cap) then
−
for _, k in ipairs( error_list ) do
+
label = substitute (cfg.presentation['kern-right'], {cap, cap2});
−
if error_str ~= "" then error_str = error_str .. cfg.messages['parameter-separator'] end
 
−
error_str = error_str .. wrap_style ('parameter', k);
 
 
end
 
end
−
if #error_list > 1 then
+
−
error_str = error_str .. cfg.messages['parameter-final-separator'];
+
if 2 == wl_type then
 +
str = make_wikilink (link, label); -- reassemble the wikilink
 
else
 
else
−
error_str = error_str .. cfg.messages['parameter-pair-separator'];
+
str = label;
 
end
 
end
−
error_str = error_str .. wrap_style ('parameter', selected);
 
−
table.insert( z.message_tail, { set_error( error_condition, {error_str}, true ) } );
 
 
end
 
end
−
+
return str;
−
return value, selected;
 
 
end
 
end
  
−
--[[--------------------------< F O R M A T _ C H A P T E R _ T I T L E >--------------------------------------
 
  
−
Format the three chapter parameters: |chapter=, |trans-chapter=, and |chapter-url= into a single Chapter meta-
+
--[[--------------------------< F O R M A T _ S C R I P T _ V A L U E >----------------------------------------
−
parameter (chapter_url_source used for error messages).
+
 
 +
|script-title= holds title parameters that are not written in Latin based scripts: Chinese, Japanese, Arabic, Hebrew, etc. These scripts should
 +
not be italicized and may be written right-to-left.  The value supplied by |script-title= is concatenated onto Title after Title has been wrapped
 +
in italic markup.
 +
 
 +
Regardless of language, all values provided by |script-title= are wrapped in <bdi>...</bdi> tags to isolate rtl languages from the English left to right.
 +
 
 +
|script-title= provides a unique feature.  The value in |script-title= may be prefixed with a two-character ISO639-1 language code and a colon:
 +
|script-title=ja:*** *** (where * represents a Japanese character)
 +
Spaces between the two-character code and the colon and the colon and the first script character are allowed:
 +
|script-title=ja : *** ***
 +
|script-title=ja: *** ***
 +
|script-title=ja :*** ***
 +
Spaces preceding the prefix are allowed: |script-title = ja:*** ***
  
−
]]
+
The prefix is checked for validity.  If it is a valid ISO639-1 language code, the lang attribute (lang="ja") is added to the <bdi> tag so that browsers can
 +
know the language the tag contains.  This may help the browser render the script more correctly.  If the prefix is invalid, the lang attribute
 +
is not added.  At this time there is no error message for this condition.
  
−
local function format_chapter_title (chapter, transchapter, chapterurl, chapter_url_source)
+
Supports |script-title=, |script-chapter=, |script-<periodical>=
−
local chapter_error = '';
 
−
 
−
if not is_set (chapter) then
 
−
chapter = ''; -- just to be safe for concatenation
 
−
if is_set (transchapter) then
 
−
chapter = wrap_style ('trans-quoted-title', transchapter);
 
−
chapter_error = " " .. set_error ('trans_missing_chapter');
 
−
end
 
−
if is_set (chapterurl) then
 
−
chapter = external_link (chapterurl, chapter, chapter_url_source); -- adds bare_url_missing_title error if appropriate
 
−
end
 
−
return chapter .. chapter_error;
 
−
else -- here when chapter is set
 
−
chapter = kern_quotes (chapter); -- if necessary, separate chapter title's leading and trailing quote marks from Module provided quote marks
 
−
chapter = wrap_style ('quoted-title', chapter);
 
−
if is_set (transchapter) then
 
−
transchapter = wrap_style ('trans-quoted-title', transchapter);
 
−
chapter = chapter .. ' ' .. transchapter;
 
−
end
 
−
if is_set (chapterurl) then
 
−
chapter = external_link (chapterurl, chapter); -- adds bare_url_missing_title error if appropriate
 
−
end
 
−
end
 
−
return chapter;
 
−
end
 
  
−
--[[
 
−
Argument wrapper.  This function provides support for argument
 
−
mapping defined in the configuration file so that multiple names
 
−
can be transparently aliased to single internal variable.
 
 
]]
 
]]
  
−
local function argument_wrapper( args )
+
local function format_script_value (script_value, script_param)
−
local origin = {};
+
local lang=''; -- initialize to empty string
−
+
local name;
−
return setmetatable({
+
if script_value:match('^%l%l%s*:') then -- if first 3 non-space characters are script language prefix
−
ORIGIN = function( self, k )
+
lang = script_value:match('^(%l%l)%s*:%s*%S.*'); -- get the language prefix or nil if there is no script
−
local dummy = self[k]; --force the variable to be loaded.
+
if not is_set (lang) then
−
return origin[k];
+
table.insert( z.message_tail, { set_error( 'script_parameter', {script_param, 'missing title part'}, true ) } ); -- prefix without 'title'; add error message
 +
return ''; -- script_value was just the prefix so return empty string
 
end
 
end
−
},
+
-- if we get this far we have prefix and script
−
{
+
name = cfg.lang_code_remap[lang] or mw.language.fetchLanguageName( lang, "en" ); -- get language name so that we can use it to categorize
−
__index = function ( tbl, k )
+
if is_set (name) then -- is prefix a proper ISO 639-1 language code?
−
if origin[k] ~= nil then
+
script_value = script_value:gsub ('^%l%l%s*:%s*', ''); -- strip prefix from script
−
return nil;
+
-- is prefix one of these language codes?
 +
if in_array (lang, cfg.script_lang_codes) then
 +
add_prop_cat ('script_with_name', {name, lang})
 +
else
 +
table.insert( z.message_tail, { set_error( 'script_parameter', {script_param, 'unknown language code'}, true ) } ); -- unknown script-language; add error message
 
end
 
end
−
+
lang = ' lang="' .. lang .. '" '; -- convert prefix into a lang attribute
−
local args, list, v = args, cfg.aliases[k];
+
else
−
+
table.insert( z.message_tail, { set_error( 'script_parameter', {script_param, 'invalid language code'}, true ) } ); -- invalid language code; add error message
−
if type( list ) == 'table' then
+
lang = ''; -- invalid so set lang to empty string
−
v, origin[k] = select_one( args, list, 'redundant_parameters' );
+
end
−
if origin[k] == nil then
+
else
−
origin[k] = ''; -- Empty string, not nil
+
table.insert( z.message_tail, { set_error( 'script_parameter', {script_param, 'missing prefix'}, true ) } ); -- no language code prefix; add error message
−
end
+
end
−
elseif list ~= nil then
+
script_value = substitute (cfg.presentation['bdi'], {lang, script_value}); -- isolate in case script is rtl
−
v, origin[k] = args[list], list;
+
 
−
else
+
return script_value;
−
-- maybe let through instead of raising an error?
 
−
-- v, origin[k] = args[k], k;
 
−
error( cfg.messages['unknown_argument_map'] );
 
−
end
 
−
 
−
-- Empty strings, not nil;
 
−
if v == nil then
 
−
v = cfg.defaults[k] or '';
 
−
origin[k] = '';
 
−
end
 
−
 
−
tbl = rawset( tbl, k, v );
 
−
return v;
 
−
end,
 
−
});
 
 
end
 
end
  
−
--[[
 
−
Looks for a parameter's name in the whitelist.
 
  
−
Parameters in the whitelist can have three values:
+
--[[--------------------------< S C R I P T _ C O N C A T E N A T E >------------------------------------------
−
true - active, supported parameters
+
 
−
false - deprecated, supported parameters
+
Initially for |title= and |script-title=, this function concatenates those two parameter values after the script value has been
−
nil - unsupported parameters
+
wrapped in <bdi> tags.
 
]]
 
]]
  
−
local function validate( name )
+
local function script_concatenate (title, script, script_param)
−
local name = tostring( name );
+
if is_set (script) then
−
local state = whitelist.basic_arguments[ name ];
+
script = format_script_value (script, script_param); -- <bdi> tags, lang atribute, categorization, etc; returns empty string on error
−
+
if is_set (script) then
−
-- Normal arguments
+
title = title .. ' ' .. script; -- concatenate title and script title
−
if true == state then return true; end -- valid actively supported parameter
+
end
−
if false == state then
 
−
deprecated_parameter (name); -- parameter is deprecated but still supported
 
−
return true;
 
 
end
 
end
−
+
return title;
−
-- Arguments with numbers in them
 
−
name = name:gsub( "%d+", "#" ); -- replace digit(s) with # (last25 becomes last#
 
−
state = whitelist.numbered_arguments[ name ];
 
−
if true == state then return true; end -- valid actively supported parameter
 
−
if false == state then
 
−
deprecated_parameter (name); -- parameter is deprecated but still supported
 
−
return true;
 
−
end
 
−
 
−
return false; -- Not supported because not found or name is set to nil
 
 
end
 
end
  
  
−
-- Formats a wiki style internal link
+
--[[--------------------------< W R A P _ M S G >--------------------------------------------------------------
−
local function internal_link_id(options)
 
−
return mw.ustring.format( '[[%s|%s]]%s[[%s%s%s|%s]]',
 
−
options.link, options.label, options.separator or "&nbsp;",
 
−
options.prefix, options.id, options.suffix or "",
 
−
mw.text.nowiki(options.id)
 
−
);
 
−
end
 
  
 +
Applies additional message text to various parameter values. Supplied string is wrapped using a message_list
 +
configuration taking one argument.  Supports lower case text for {{citation}} templates.  Additional text taken
 +
from citation_config.messages - the reason this function is similar to but separate from wrap_style().
  
−
--[[--------------------------< N O W R A P _ D A T E >--------------------------------------------------------
+
]]
  
−
When date is YYYY-MM-DD format wrap in nowrap span: <span ...>YYYY-MM-DD</span>.  When date is DD MMMM YYYY or is
+
local function wrap_msg (key, str, lower)
−
MMMM DD, YYYY then wrap in nowrap span: <span ...>DD MMMM</span> YYYY or <span ...>MMMM DD,</span> YYYY
+
if not is_set( str ) then
 +
return "";
 +
end
 +
if true == lower then
 +
local msg;
 +
msg = cfg.messages[key]:lower(); -- set the message to lower case before
 +
return substitute( msg, str ); -- including template text
 +
else
 +
return substitute( cfg.messages[key], str );
 +
end
 +
end
  
−
DOES NOT yet support MMMM YYYY or any of the date ranges.
 
  
−
]]
+
--[[--------------------------< W I K I S O U R C E _ U R L _ M A K E >----------------------------------------
  
−
local function nowrap_date (date)
+
makes a wikisource url from wikisource interwiki link.  returns the url and appropriate label; nil else.
−
local cap='';
 
−
local cap2='';
 
  
−
if date:match("^%d%d%d%d%-%d%d%-%d%d$") then
+
str is the value assigned to |chapter= (or aliases) or |title= or |title-link=
−
date = substitute (cfg.presentation['nowrap1'], date);
 
−
 
−
elseif date:match("^%a+%s*%d%d?,%s*%d%d%d%d$") or date:match ("^%d%d?%s*%a+%s*%d%d%d%d$") then
 
−
cap, cap2 = string.match (date, "^(.*)%s+(%d%d%d%d)$");
 
−
date = substitute (cfg.presentation['nowrap2'], {cap, cap2});
 
−
end
 
−
 
−
return date;
 
−
end
 
  
−
--[[--------------------------< 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-13 is checked in check_isbn().
+
local function wikisource_url_make (str)
−
If the number is valid the result will be 0. Before calling this function, issbn/issn must be checked for length and stripped of dashes,
+
local wl_type, D, L;
−
spaces and other non-isxn characters.
+
local ws_url, ws_label;
  
−
]]
+
wl_type, D, L = is_wikilink (str); -- wl_type is 0 (not a wikilink), 1 (simple wikilink), 2 (complex wikilink)
  
−
local function is_valid_isxn (isxn_str, len)
+
if 0 == wl_type then -- not a wikilink; might be from |title-link=
−
local temp = 0;
+
str = D:match ('^[Ww]ikisource:(.+)') or D:match ('^[Ss]:(.+)'); -- article title from interwiki link with long-form or short-form namespace
−
isxn_str = { isxn_str:byte(1, len) }; -- make a table of byte values '0' → 0x30 .. '9'  → 0x39, 'X' → 0x58
+
if is_set (str) then
−
len = len+1; -- adjust to be a loop counter
+
ws_url = table.concat ({ -- build a wikisource url
−
for i, v in ipairs( isxn_str ) do -- loop through all of the bytes and calculate the checksum
+
'https://en.wikisource.org/wiki/', -- prefix
−
if v == string.byte( "X" ) then -- if checkdigit is X (compares the byte value of 'X' which is 0x58)
+
str, -- article title
−
temp = temp + 10*( len - i ); -- it represents 10 decimal
+
});
−
else
+
ws_label = str; -- label for the url
−
temp = temp + tonumber( string.char(v) )*(len-i);
+
end
 +
elseif 1 == wl_type then -- simple wikilink: [[Wikisource:ws article]]
 +
str = D:match ('^[Ww]ikisource:(.+)') or D:match ('^[Ss]:(.+)'); -- article title from interwiki link with long-form or short-form namespace
 +
if is_set (str) then
 +
ws_url = table.concat ({ -- build a wikisource url
 +
'https://en.wikisource.org/wiki/', -- prefix
 +
str, -- article title
 +
});
 +
ws_label = str; -- label for the url
 +
end
 +
elseif 2 == wl_type then -- non-so-simple wikilink: [[Wikisource:ws article|displayed text]] ([[L|D]])
 +
str = L:match ('^[Ww]ikisource:(.+)') or L:match ('^[Ss]:(.+)'); -- article title from interwiki link with long-form or short-form namespace
 +
if is_set (str) then
 +
ws_label = D; -- get ws article name from display portion of interwiki link
 +
ws_url = table.concat ({ -- build a wikisource url
 +
'https://en.wikisource.org/wiki/', -- prefix
 +
str, -- article title without namespace from link portion of wikilink
 +
});
 
end
 
end
 
end
 
end
−
return temp % 11 == 0; -- returns true if calculation result is zero
+
 +
if ws_url then
 +
ws_url = mw.uri.encode (ws_url, 'WIKI'); -- make a usable url
 +
ws_url = ws_url:gsub ('%%23', '#'); -- undo percent encoding of anchor
 +
end
 +
 
 +
return ws_url, ws_label, L or D; -- return proper url or nil and a label or nil
 
end
 
end
  
  
−
--[[--------------------------< C H E C K _ I S B N >------------------------------------------------------------
+
--[[--------------------------< F O R M A T _ P E R I O D I C A L >--------------------------------------------
  
−
Determines whether an ISBN string is valid
+
Format the four periodical parameters: |script-<periodical>=, |<periodical>=, and |trans-<periodical>= into a single Periodical meta-
 +
parameter.
  
 
]]
 
]]
  
−
local function check_isbn( isbn_str )
+
local function format_periodical (script_periodical, script_periodical_source, periodical, trans_periodical)
−
if nil ~= isbn_str:match("[^%s-0-9X]") then return false; end -- fail if isbn_str contains anything but digits, hyphens, or the uppercase X
+
local periodical_error = '';
−
isbn_str = isbn_str:gsub( "-", "" ):gsub( " ", "" ); -- remove hyphens and spaces
+
 
−
local len = isbn_str:len();
+
if not is_set (periodical) then
−
+
periodical = ''; -- to be safe for concatenation
−
if len ~= 10 and len ~= 13 then
+
else
−
return false;
+
periodical = wrap_style ('italic-title', periodical); -- style
 
end
 
end
  
−
if len == 10 then
+
periodical = script_concatenate (periodical, script_periodical, script_periodical_source); -- <bdi> tags, lang atribute, categorization, etc; must be done after title is wrapped
−
if isbn_str:match( "^%d*X?$" ) == nil then return false; end
+
 
−
return is_valid_isxn(isbn_str, 10);
+
if is_set (trans_periodical) then
−
else
+
trans_periodical = wrap_style ('trans-italic-title', trans_periodical);
−
local temp = 0;
+
if is_set (periodical) then
−
if isbn_str:match( "^97[89]%d*$" ) == nil then return false; end -- isbn13 begins with 978 or 979
+
periodical = periodical ..  ' ' .. trans_periodical;
−
isbn_str = { isbn_str:byte(1, len) };
+
else -- here when transchapter without chapter or script-chapter
−
for i, v in ipairs( isbn_str ) do
+
periodical = trans_periodical;
−
temp = temp + (3 - 2*(i % 2)) * tonumber( string.char(v) );
+
periodical_error = ' ' .. set_error ('trans_missing_title', {'periodical'});
 
end
 
end
−
return temp % 10 == 0;
 
 
end
 
end
 +
 +
return periodical .. periodical_error;
 
end
 
end
  
−
--[[--------------------------< 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 has separated the two groups of four
+
--[[--------------------------< F O R M A T _ C H A P T E R _ T I T L E >--------------------------------------
−
digits with a space.  When that condition occurred, the resulting link looked like this:
 
  
−
|issn=0819 4327 gives: [http://www.worldcat.org/issn/0819 4327 0819 4327]  -- can't have spaces in an external link
+
Format the four chapter parameters: |script-chapter=, |chapter=, |trans-chapter=, and |chapter-url= into a single Chapter meta-
−
+
parameter (chapter_url_source used for error messages).
−
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 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.
 
  
 
]]
 
]]
  
−
local function issn(id)
+
local function format_chapter_title (scriptchapter, script_chapter_source, chapter, transchapter, chapterurl, chapter_url_source, no_quotes, access)
−
local issn_copy = id; -- save a copy of unadulterated issn; use this version for display if issn does not validate
+
local chapter_error = '';
−
local handler = cfg.id_handlers['ISSN'];
 
−
local text;
 
−
local valid_issn = true;
 
  
−
id=id:gsub( "[%s-–]", "" ); -- strip spaces, hyphens, and endashes from the issn
+
local ws_url, ws_label, L = wikisource_url_make (chapter); -- make a wikisource url and label from a wikisource interwiki link
−
 
+
if ws_url then
−
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
+
ws_label = ws_label:gsub ('_', ''); -- replace underscore separaters with space characters
−
valid_issn=false; -- wrong length or improper character
+
chapter = ws_label;
−
else
 
−
valid_issn=is_valid_isxn(id, 8); -- validate issn
 
 
end
 
end
  
−
if true == valid_issn then
+
if not is_set (chapter) then
−
id = string.sub( id, 1, 4 ) .. "-" .. string.sub( id, 5 ); -- if valid, display correctly formatted version
+
chapter = ''; -- to be safe for concatenation
 
else
 
else
−
id = issn_copy; -- if not valid, use the show the invalid issn with error message
+
if false == no_quotes then
 +
chapter = kern_quotes (chapter); -- if necessary, separate chapter title's leading and trailing quote marks from Module provided quote marks
 +
chapter = wrap_style ('quoted-title', chapter);
 +
end
 
end
 
end
−
 
−
text = external_link_id({link = handler.link, label = handler.label,
 
−
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode})
 
−
 
−
if false == valid_issn then
 
−
text = text .. ' ' .. set_error( 'bad_issn' ) -- add an error message if the issn is invalid
 
−
end
 
−
 
−
return text
 
−
end
 
  
−
--[[--------------------------< A M A Z O N >------------------------------------------------------------------
+
chapter = script_concatenate (chapter, scriptchapter, script_chapter_source); -- <bdi> tags, lang atribute, categorization, etc; must be done after title is wrapped
  
−
Formats a link to Amazon.  Do simple error checking: asin must be mix of 10 numeric or uppercase alpha
+
if is_set (chapterurl) then
−
characters. If a mix, first character must be uppercase alpha; if all numeric, asins must be 10-digit
+
chapter = external_link (chapterurl, chapter, chapter_url_source, access); -- adds bare_url_missing_title error if appropriate
−
isbn. If 10-digit isbn, add a maintenance category so a bot or awb script can replace |asin= with |isbn=.
+
elseif ws_url then
−
Error message if not 10 characters, if not isbn10, if mixed and first character is a digit.
+
chapter = external_link (ws_url, chapter .. '&nbsp;', 'ws link in chapter'); -- adds bare_url_missing_title error if appropriate; space char to move icon away from chap text; TODO: better way to do this?
 +
chapter = substitute (cfg.presentation['interwiki-icon'], {cfg.presentation['class-wikisource'], L, chapter});
 +
end
  
−
]]
+
if is_set (transchapter) then
 +
transchapter = wrap_style ('trans-quoted-title', transchapter);
 +
if is_set (chapter) then
 +
chapter = chapter ..  ' ' .. transchapter;
 +
else -- here when transchapter without chapter or script-chapter
 +
chapter = transchapter;
 +
chapter_error = ' ' .. set_error ('trans_missing_title', {'chapter'});
 +
end
 +
end
  
−
local function amazon(id, domain)
+
-- if is_set (chapterurl) then
−
local err_cat = ""
+
-- chapter = external_link (chapterurl, chapter, chapter_url_source, access); -- adds bare_url_missing_title error if appropriate
 +
-- end
  
−
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
+
return chapter .. chapter_error;
−
err_cat =  ' ' .. set_error ('bad_asin'); -- asin is not a mix of 10 uppercase alpha and numeric characters
 
−
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 check_isbn( id ) then -- see if asin value is isbn10
 
−
add_maint_cat ('ASIN');
 
−
elseif not is_set (err_cat) then
 
−
err_cat =  ' ' .. set_error ('bad_asin'); -- asin is not isbn10
 
−
end
 
−
elseif not id:match("^%u[%d%u]+$") then
 
−
err_cat =  ' ' .. set_error ('bad_asin'); -- asin doesn't begin with uppercase alpha
 
−
end
 
−
end
 
−
if not is_set(domain) then
 
−
domain = "com";
 
−
elseif in_array (domain, {'jp', 'uk'}) then -- Japan, United Kingdom
 
−
domain = "co." .. domain;
 
−
elseif in_array (domain, {'au', 'br', 'mx'}) then -- Australia, Brazil, Mexico
 
−
domain = "com." .. domain;
 
−
end
 
−
local handler = cfg.id_handlers['ASIN'];
 
−
return external_link_id({link = handler.link,
 
−
label=handler.label , prefix="//www.amazon."..domain.."/dp/",id=id,
 
−
encode=handler.encode, separator = handler.separator}) .. err_cat;
 
 
end
 
end
  
−
--[[--------------------------< A R X I V >--------------------------------------------------------------------
 
  
−
See: http://arxiv.org/help/arxiv_identifier
+
--[[--------------------------< H A S _ I N V I S I B L E _ C H A R S >----------------------------------------
  
−
format and error check arXiv identifier.  There are three valid forms of the identifier:
+
This function searches a parameter's value for nonprintable or invisible characters.  The search stops at the
−
the first form, valid only between date codes 9108 and 0703 is:
+
first match.
−
arXiv:<archive>.<class>/<date code><number><version>
+
 
−
where:
+
This function will detect the visible replacement character when it is part of the wikisource.
−
<archive> is a string of alpha characters - may be hyphenated; no other punctuation
 
−
<class> is a string of alpha characters - may be hyphenated; no other punctuation
 
−
<date code> is four digits in the form YYMM where YY is the last two digits of the four-digit year and MM is the month number January = 01
 
−
first digit of YY for this form can only 9 and 0
 
−
<number> is a three-digit number
 
−
<version> is a 1 or more digit number preceded with a lowercase v; no spaces (undocumented)
 
−
 
−
the second form, valid from April 2007 through December 2014 is:
 
−
arXiv:<date code>.<number><version>
 
−
where:
 
−
<date code> is four digits in the form YYMM where YY is the last two digits of the four-digit year and MM is the month number January = 01
 
−
<number> is a four-digit number
 
−
<version> is a 1 or more digit number preceded with a lowercase v; no spaces
 
  
−
the third form, valid from January 2015 is:
+
Detects but ignores nowiki and math stripmarkers.  Also detects other named stripmarkers (gallery, math, pre, ref)
−
arXiv:<date code>.<number><version>
+
and identifies them with a slightly different error message.  See also coins_cleanup().
−
where:
 
−
<date code> and <version> are as defined for 0704-1412
 
−
<number> is a five-digit number
 
−
]]
 
  
−
local function arxiv (id, class)
+
Output of this function is an error message that identifies the character or the Unicode group, or the stripmarker
−
local handler = cfg.id_handlers['ARXIV'];
+
that was detected along with its position (or, for multi-byte characters, the position of its first byte) in the
−
local year, month, version;
+
parameter value.
−
local err_cat = '';
+
 
−
local text;
+
]]
 +
 
 +
local function has_invisible_chars (param, v)
 +
local position = ''; -- position of invisible char or starting position of stripmarker
 +
local dummy; -- end of matching string; not used but required to hold end position when a capture is returned
 +
local capture; -- used by stripmarker detection to hold name of the stripmarker
 +
local i=1;
 +
local stripmarker, apostrophe;
 
 
−
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
+
capture = string.match (v, '[%w%p ]*'); -- Test for values that are simple ASCII text and bypass other tests if true
−
year, month = id:match("^%a[%a%.%-]+/([90]%d)([01]%d)%d%d%d[v%d]*$");
+
if capture == v then -- if same there are no unicode characters
−
year = tonumber(year);
+
return;
−
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?
 
−
err_cat = ' ' .. set_error( 'bad_arxiv' ); -- set error message
 
−
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
 
−
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 --or -- when year is 07, is month invalid (before April)?
 
−
err_cat = ' ' .. set_error( 'bad_arxiv' ); -- set error message
 
−
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
 
−
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 = ' ' .. set_error( 'bad_arxiv' ); -- set error message
 
−
end
 
−
else
 
−
err_cat = ' ' .. set_error( 'bad_arxiv' ); -- arXiv id doesn't match any format
 
 
end
 
end
  
−
text = external_link_id({link = handler.link, label = handler.label,
+
while cfg.invisible_chars[i] do
−
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode}) .. err_cat;
+
local char=cfg.invisible_chars[i][1] -- the character or group name
 +
local pattern=cfg.invisible_chars[i][2] -- the pattern used to find it
 +
position, dummy, capture = mw.ustring.find (v, pattern) -- see if the parameter value contains characters that match the pattern
 +
 +
if position and (char == 'zero width joiner') then -- if we found a zero width joiner character
 +
if mw.ustring.find (v, cfg.indic_script) then -- its ok if one of the indic scripts
 +
position = nil; -- unset position
 +
end
 +
end
 +
 +
if position then
 +
if 'nowiki' == capture or 'math' == capture or -- nowiki and math stripmarkers (not an error condition)
 +
('templatestyles' == capture and in_array (param, {'id', 'quote'})) then -- templatestyles stripmarker allowed in these parameters
 +
stripmarker = true; -- set a flag
 +
elseif true == stripmarker and 'delete' == char then -- because stripmakers begin and end with the delete char, assume that we've found one end of a stripmarker
 +
position = nil; -- unset
 +
else
 +
local err_msg;
 +
if capture then
 +
err_msg = capture .. ' ' .. char;
 +
else
 +
err_msg = char .. ' ' .. 'character';
 +
end
  
−
if is_set (class) then
+
table.insert( z.message_tail, { set_error( 'invisible_char', {err_msg, wrap_style ('parameter', param), position}, true ) } ); -- add error message
−
class = ' [[' .. '//arxiv.org/archive/' .. class .. ' ' .. class .. ']]'; -- external link within square brackets, not wikilink
+
return; -- and done with this parameter
−
else
+
end
−
class = ''; -- empty string for concatenation
+
end
 +
i=i+1; -- bump our index
 
end
 
end
−
 
−
return text .. class;
 
 
end
 
end
  
−
--[[
 
−
lccn normalization (http://www.loc.gov/marc/lccn-namespace.html#normalization)
 
−
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.
 
−
3. If there is a hyphen in the string:
 
−
a. Remove it.
 
−
b. Inspect the substring following (to the right of) the (removed) hyphen. Then (and assuming that steps 1 and 2 have been carried out):
 
−
1. All these characters should be digits, and there should be six or less. (not done in this function)
 
−
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.
+
--[[--------------------------< A R G U M E N T _ W R A P P E R >----------------------------------------------
−
]]
 
  
−
local function normalize_lccn (lccn)
+
Argument wrapper.  This function provides support for argument mapping defined in the configuration file so that
−
lccn = lccn:gsub ("%s", ""); -- 1. strip whitespace
+
multiple names can be transparently aliased to single internal variable.
  
−
if nil ~= string.find (lccn,'/') then
+
]]
−
lccn = lccn:match ("(.-)/"); -- 2. remove forward slash and all character to the right of it
 
−
end
 
  
−
local prefix
+
local function argument_wrapper( args )
−
local suffix
+
local origin = {};
−
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
 
−
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
 
−
end
 
 
 
−
return lccn;
+
return setmetatable({
−
end
+
ORIGIN = function( self, k )
−
 
+
local dummy = self[k]; --force the variable to be loaded.
−
--[[
+
return origin[k];
−
Format LCCN link and do simple error checking.  LCCN is a character string 8-12 characters long. The length of the LCCN dictates the character type of the first 1-3 characters; the
 
−
rightmost eight are always digits. http://info-uri.info/registry/OAIHandler?verb=GetRecord&metadataPrefix=reg&identifier=info:lccn/
 
−
 
 
−
length = 8 then all digits
 
−
length = 9 then lccn[1] is lower case alpha
 
−
length = 10 then lccn[1] and lccn[2] are both lower case 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 = 12 then lccn[1] and lccn[2] are both lower case alpha
 
−
 
 
−
]]
 
−
 
 
−
local function lccn(lccn)
 
−
local handler = cfg.id_handlers['LCCN'];
 
−
local err_cat =  ''; -- presume that LCCN is valid
 
−
local id = lccn; -- local copy of the lccn
 
−
 
 
−
id = normalize_lccn (id); -- get canonical form (no whitespace, hyphens, forward slashes)
 
−
local len = id:len(); -- get the length of the lccn
 
−
 
 
−
if 8 == len then
 
−
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
 
 
end
 
end
−
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?
+
{
−
err_cat = ' ' .. set_error( 'bad_lccn' ); -- set an error message
+
__index = function ( tbl, k )
−
end
+
if origin[k] ~= nil then
−
elseif 10 == len then -- LCCN should be aadddddddd or dddddddddd
+
return nil;
−
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
 
−
err_cat = ' ' .. set_error( 'bad_lccn' ); -- no match, set an error message
 
 
end
 
end
−
end
+
−
elseif 11 == len then -- LCCN should be aaadddddddd or adddddddddd
+
local args, list, v = args, cfg.aliases[k];
−
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
+
if type( list ) == 'table' then
−
end
+
v, origin[k] = select_one( args, list, 'redundant_parameters' );
−
elseif 12 == len then -- LCCN should be aadddddddddd
+
if origin[k] == nil then
−
if not id:match("^%l%l%d%d%d%d%d%d%d%d%d%d") then -- see if it matches our pattern
+
origin[k] = ''; -- Empty string, not nil
−
err_cat = ' ' .. set_error( 'bad_lccn' ); -- no match, set an error message
+
end
−
end
+
elseif list ~= nil then
−
else
+
v, origin[k] = args[list], list;
−
err_cat = ' ' .. set_error( 'bad_lccn' ); -- wrong length, set an error message
+
else
−
end
+
-- maybe let through instead of raising an error?
−
 
+
-- v, origin[k] = args[k], k;
−
if not is_set (err_cat) and nil ~= lccn:find ('%s') then
+
error( cfg.messages['unknown_argument_map'] .. ': ' .. k);
−
err_cat = ' ' .. set_error( 'bad_lccn' ); -- lccn contains a space, set an error message
+
end
−
end
+
−
 
+
-- Empty strings, not nil;
−
return external_link_id({link = handler.link, label = handler.label,
+
if v == nil then
−
prefix=handler.prefix,id=lccn,separator=handler.separator, encode=handler.encode}) .. err_cat;
+
v = cfg.defaults[k] or '';
 +
origin[k] = '';
 +
end
 +
 +
tbl = rawset( tbl, k, v );
 +
return v;
 +
end,
 +
});
 
end
 
end
  
−
--[[
 
−
Format PMID and do simple error checking.  PMIDs are sequential numbers beginning at 1 and counting up.  This code checks the PMID to see that it
 
−
contains only digits and is less than test_limit; the value in local variable test_limit will need to be updated periodically as more PMIDs are issued.
 
−
]]
 
  
−
local function pmid(id)
+
--[[--------------------------< N O W R A P _ D A T E >--------------------------------------------------------
−
local test_limit = 30000000; -- update this value as PMIDs approach
 
−
local handler = cfg.id_handlers['PMID'];
 
−
local err_cat =  ''; -- presume that PMID is valid
 
−
 
−
if id:match("[^%d]") then -- if PMID has anything but digits
 
−
err_cat = ' ' .. set_error( '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 test_limit < id_num then -- if PMID is outside test limit boundaries
 
−
err_cat = ' ' .. set_error( 'bad_pmid' ); -- set an error message
 
−
end
 
−
end
 
−
 
−
return external_link_id({link = handler.link, label = handler.label,
 
−
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode}) .. err_cat;
 
−
end
 
  
−
--[[--------------------------< I S _ E M B A R G O E D >------------------------------------------------------
+
When date is YYYY-MM-DD format wrap in nowrap span: <span ...>YYYY-MM-DD</span>.  When date is DD MMMM YYYY or is
 +
MMMM DD, YYYY then wrap in nowrap span: <span ...>DD MMMM</span> YYYY or <span ...>MMMM DD,</span> YYYY
  
−
Determines if a PMC identifier's online version is embargoed. Compares the date in |embargo= against today's date.  If embargo date is
+
DOES NOT yet support MMMM YYYY or any of the date ranges.
−
in the future, returns the content of |embargo=; otherwise, returns and empty string because the embargo has expired or because
 
−
|embargo= was not set in this cite.
 
  
 
]]
 
]]
  
−
local function is_embargoed (embargo)
+
local function nowrap_date (date)
−
if is_set (embargo) then
+
local cap='';
−
local lang = mw.getContentLanguage();
+
local cap2='';
−
local good1, embargo_date, good2, todays_date;
+
 
−
good1, embargo_date = pcall( lang.formatDate, lang, 'U', embargo );
+
if date:match("^%d%d%d%d%-%d%d%-%d%d$") then
−
good2, todays_date = pcall( lang.formatDate, lang, 'U' );
+
date = substitute (cfg.presentation['nowrap1'], date);
−
+
−
if good1 and good2 then -- if embargo date and today's date are good dates
+
elseif date:match("^%a+%s*%d%d?,%s+%d%d%d%d$") or date:match ("^%d%d?%s*%a+%s+%d%d%d%d$") then
−
if tonumber( embargo_date ) >= tonumber( todays_date ) then -- is embargo date is in the future?
+
cap, cap2 = string.match (date, "^(.*)%s+(%d%d%d%d)$");
−
return embargo; -- still embargoed
+
date = substitute (cfg.presentation['nowrap2'], {cap, cap2});
−
else
 
−
add_maint_cat ('embargo')
 
−
return ''; -- unset because embargo has expired
 
−
end
 
−
end
 
 
end
 
end
−
return ''; -- |embargo= not set return empty string
+
 +
return date;
 
end
 
end
  
−
--[[--------------------------< P M C >------------------------------------------------------------------------
 
  
−
Format a PMC, do simple error checking, and check for embargoed articles.
+
--[[--------------------------< S E T _ T I T L E T Y P E >----------------------------------------------------
  
−
The embargo parameter takes a date for a value. If the embargo date is in the future the PMC identifier will not
+
This function sets default title types (equivalent to the citation including |type=<default value>) for those templates that have defaults.
−
be linked to the article.  If the embargo date is today or in the past, or if it is empty or omitted, then the
+
Also handles the special case where it is desirable to omit the title type from the rendered citation (|type=none).
−
PMC identifier is linked to the article through the link at cfg.id_handlers['PMC'].prefix.
 
−
 
 
−
PMC embargo date testing is done in function is_embargoed () which is called earlier because when the citation
 
−
has |pmc=<value> but does not have a |url= then |title= is linked with the PMC link. Function is_embargoed ()
 
−
returns the embargo date if the PMC article is still embargoed, otherwise it returns an empty string.
 
−
 
 
−
PMCs are sequential numbers beginning at 1 and counting up.  This code checks the PMC to see that it contains only digits and is less
 
−
than test_limit; the value in local variable test_limit will need to be updated periodically as more PMCs are issued.
 
  
 
]]
 
]]
  
−
local function pmc(id, embargo)
+
local function set_titletype (cite_class, title_type)
−
local test_limit = 5000000; -- update this value as PMCs approach
+
if is_set(title_type) then
−
local handler = cfg.id_handlers['PMC'];
+
if "none" == title_type then
−
local err_cat =  ''; -- presume that PMC is valid
+
title_type = ""; -- if |type=none then type parameter not displayed
−
 
−
local text;
 
−
 
 
−
if id:match("[^%d]") then -- if PMC has anything but digits
 
−
err_cat = ' ' .. set_error( 'bad_pmc' ); -- set an error message
 
−
else -- PMC is only digits
 
−
local id_num = tonumber(id); -- convert id to a number for range testing
 
−
if 1 > id_num or test_limit < id_num then -- if PMC is outside test limit boundaries
 
−
err_cat = ' ' .. set_error( 'bad_pmc' ); -- set an error message
 
 
end
 
end
 +
return title_type; -- if |type= has been set to any other value use that value
 
end
 
end
−
+
 
−
if is_set (embargo) then -- is PMC is still embargoed?
+
return cfg.title_types [cite_class] or ''; -- set template's default title type; else empty string for concatenation
−
text="[[" .. handler.link .. "|" .. handler.label .. "]]:" .. handler.separator .. id .. err_cat; -- still embargoed so no external link
 
−
else
 
−
text = external_link_id({link = handler.link, label = handler.label, -- no embargo date or embargo has expired, ok to link to article
 
−
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode}) .. err_cat;
 
−
end
 
−
return text;
 
 
end
 
end
  
−
-- Formats a DOI and checks for DOI errors.
 
  
−
-- DOI names contain two parts: prefix and suffix separated by a forward slash.
+
--[[--------------------------< H Y P H E N _ T O _ D A S H >--------------------------------------------------
−
-- Prefix: directory indicator '10.' followed by a registrant code
 
−
-- 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,
+
Converts a hyphen to a dash under certain conditions.  The hyphen must separate like items; unlike items are
−
-- or, if it ends with a period or a comma, this function will emit a bad_doi error message.
+
returned unmodified.  These forms are modified:
 +
letter - letter (A - B)
 +
digit - digit (4-5)
 +
digit separator digit - digit separator digit (4.1-4.5 or 4-1-4-5)
 +
letterdigit - letterdigit (A1-A5) (an optional separator between letter and digit is supported – a.1-a.5 or a-1-a-5)
 +
digitletter - digitletter (5a - 5d) (an optional separator between letter and digit is supported – 5.a-5.d or 5-a-5-d)
  
−
-- DOI names are case-insensitive and can incorporate any printable Unicode characters so the test for spaces, endash,
+
any other forms are returned unmodified.
−
-- and terminal punctuation may not be technically correct but it appears, that in practice these characters are rarely if ever used in doi names.
 
  
−
local function doi(id, inactive)
+
str may be a comma- or semicolon-separated list
−
local cat = ""
+
 
−
local handler = cfg.id_handlers['DOI'];
+
]]
 +
 
 +
local function hyphen_to_dash( str )
 +
if not is_set (str) then
 +
return str;
 +
end
 
 
−
local text;
+
str, count = str:gsub ('^%(%((.+)%)%)$', '%1'); -- remove accept-this-as-written markup when it wraps all of str
−
if is_set(inactive) then
+
if 0 ~= count then -- non-zero when markup removed; zero else
−
local inactive_year = inactive:match("%d%d%d%d") or ''; -- try to get the year portion from the inactive date
+
return str; -- nothing to do, we're done
−
text = "[[" .. handler.link .. "|" .. handler.label .. "]]:" .. id;
 
−
if is_set(inactive_year) then
 
−
table.insert( z.error_categories, "Pages with DOIs inactive since " .. inactive_year );
 
−
else
 
−
table.insert( z.error_categories, "Pages with inactive DOIs" ); -- when inactive doesn't contain a recognizable year
 
−
end
 
−
inactive = " (" .. cfg.messages['inactive'] .. " " .. inactive .. ")"
 
−
else
 
−
text = external_link_id({link = handler.link, label = handler.label,
 
−
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode})
 
−
inactive = ""
 
 
end
 
end
 +
 +
str = str:gsub ('&[nm]dash;', {['&ndash;'] = '–', ['&mdash;'] = '—'}); -- replace &mdash; and &ndash; entities  with their characters; semicolon mucks up the text.split
 +
 +
local out = {};
 +
local list = mw.text.split (str, '%s*[,;]%s*'); -- split str at comma or semicolon separators if there are any
  
−
if nil == id:match("^10%.[^%s–]-/[^%s–]-[^%.,]$") then -- doi must begin with '10.', must contain a fwd slash, must not contain spaces or endashes, and must not end with period or comma
+
for _, item in ipairs (list) do -- for each item in the list
−
cat = ' ' .. set_error( 'bad_doi' );
+
if mw.ustring.match (item, '^%w*[%.%-]?%w+%s*[%-–—]%s*%w*[%.%-]?%w+$') then -- if a hyphenated range or has endash or emdash separators
 +
if item:match ('%a+[%.%-]?%d+%s*%-%s*%a+[%.%-]?%d+') or -- letterdigit hyphen letterdigit (optional separator between letter and digit)
 +
item:match ('%d+[%.%-]?%a+%s*%-%s*%d+[%.%-]?%a+') or -- digitletter hyphen digitletter (optional separator between digit and letter)
 +
item:match ('%d+[%.%-]%d+%s*%-%s*%d+[%.%-]%d+') or -- digit separator digit hyphen digit separator digit
 +
item:match ('%d+%s*%-%s*%d+') or -- digit hyphen digit
 +
item:match ('%a+%s*%-%s*%a+') then -- letter hyphen letter
 +
item = item:gsub ('(%w*[%.%-]?%w+)%s*%-%s*(%w*[%.%-]?%w+)', '%1–%2'); -- replace hyphen, remove extraneous space characters
 +
else
 +
item = mw.ustring.gsub (item, '%s*[–—]%s*', '–'); -- for endash or emdash separated ranges, replace em with en, remove extraneous white space
 +
end
 +
end
 +
item = item:gsub ('^%(%((.+)%)%)$', '%1'); -- remove the accept-this-as-written markup
 +
table.insert (out, item); -- add the (possibly modified) item to the output table
 
end
 
end
−
return text .. inactive .. cat
 
−
end
 
−
 
−
-- Formats an OpenLibrary link, and checks for associated errors.
 
−
local function openlibrary(id)
 
−
local code = id:match("^%d+([AMW])$"); -- only digits followed by 'A', 'M', or 'W'
 
−
local handler = cfg.id_handlers['OL'];
 
  
−
if ( code == "A" ) then
+
return table.concat (out, ', '); -- concatenate the output table into a comma separated string
−
return external_link_id({link=handler.link, label=handler.label,
 
−
prefix="http://openlibrary.org/authors/OL",id=id, separator=handler.separator,
 
−
encode = handler.encode})
 
−
elseif ( code == "M" ) then
 
−
return external_link_id({link=handler.link, label=handler.label,
 
−
prefix="http://openlibrary.org/books/OL",id=id, separator=handler.separator,
 
−
encode = handler.encode})
 
−
elseif ( code == "W" ) then
 
−
return external_link_id({link=handler.link, label=handler.label,
 
−
prefix= "http://openlibrary.org/works/OL",id=id, separator=handler.separator,
 
−
encode = handler.encode})
 
−
else
 
−
return external_link_id({link=handler.link, label=handler.label,
 
−
prefix= "http://openlibrary.org/OL",id=id, separator=handler.separator,
 
−
encode = handler.encode}) ..
 
−
' ' .. set_error( 'bad_ol' );
 
−
end
 
 
end
 
end
  
  
−
--[[--------------------------< M E S S A G E _ I D >----------------------------------------------------------
+
--[[--------------------------< S A F E _ J O I N >------------------------------------------------------------
  
−
Validate and format a usenet message id.  Simple error checking, looks for 'id-left@id-right' not enclosed in
+
Joins a sequence of strings together while checking for duplicate separation characters.
−
'<' and/or '>' angle brackets.
 
  
 
]]
 
]]
  
−
local function message_id (id)
+
local function safe_join( tbl, duplicate_char )
−
local handler = cfg.id_handlers['USENETID'];
+
local f = {}; -- create a function table appropriate to type of 'dupicate character'
 +
if 1 == #duplicate_char then -- for single byte ascii characters use the string library functions
 +
f.gsub=string.gsub
 +
f.match=string.match
 +
f.sub=string.sub
 +
else -- for multi-byte characters use the ustring library functions
 +
f.gsub=mw.ustring.gsub
 +
f.match=mw.ustring.match
 +
f.sub=mw.ustring.sub
 +
end
  
−
text = external_link_id({link = handler.link, label = handler.label,
+
local str = ''; -- the output string
−
prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode})
+
local comp = ''; -- what does 'comp' mean?
−
+
local end_chr = '';
−
if not id:match('^.+@.+$') or not id:match('^[^<].*[^>]$')then -- doesn't have '@' or has one or first or last character is '< or '>'
+
local trim;
−
text = text .. ' ' .. set_error( 'bad_message_id' ) -- add an error message if the message id is invalid
+
for _, value in ipairs( tbl ) do
−
end
+
if value == nil then value = ''; end
−
+
−
return text
+
if str == '' then -- if output string is empty
−
end
+
str = value; -- assign value to it (first time through the loop)
−
 
+
elseif value ~= '' then
−
--[[--------------------------< S E T _ T I T L E T Y P E >----------------------------------------------------
+
if value:sub(1,1) == '<' then -- Special case of values enclosed in spans and other markup.
 +
comp = value:gsub( "%b<>", "" ); -- remove html markup (<span>string</span> -> string)
 +
else
 +
comp = value;
 +
end
 +
-- typically duplicate_char is sepc
 +
if f.sub(comp, 1,1) == duplicate_char then -- is first character same as duplicate_char? why test first character?
 +
--   Because individual string segments often (always?) begin with terminal punct for the
 +
--   preceding segment: 'First element' .. 'sepc next element' .. etc?
 +
trim = false;
 +
end_chr = f.sub(str, -1,-1); -- get the last character of the output string
 +
-- str = str .. "<HERE(enchr=" .. end_chr.. ")" -- debug stuff?
 +
if end_chr == duplicate_char then -- if same as separator
 +
str = f.sub(str, 1,-2); -- remove it
 +
elseif end_chr == "'" then -- if it might be wikimarkup
 +
if f.sub(str, -3,-1) == duplicate_char .. "''" then -- if last three chars of str are sepc''
 +
str = f.sub(str, 1, -4) .. "''"; -- remove them and add back ''
 +
elseif  f.sub(str, -5,-1) == duplicate_char .. "]]''" then -- if last five chars of str are sepc]]''
 +
trim = true; -- why? why do this and next differently from previous?
 +
elseif f.sub(str, -4,-1) == duplicate_char .. "]''" then -- if last four chars of str are sepc]''
 +
trim = true; -- same question
 +
end
 +
elseif end_chr == "]" then -- if it might be wikimarkup
 +
if f.sub(str, -3,-1) == duplicate_char .. "]]" then -- if last three chars of str are sepc]] wikilink
 +
trim = true;
 +
elseif f.sub(str, -3,-1) == duplicate_char .. '"]' then -- if last three chars of str are sepc"] quoted external link
 +
trim = true;
 +
elseif  f.sub(str, -2,-1) == duplicate_char .. "]" then -- if last two chars of str are sepc] external link
 +
trim = true;
 +
elseif f.sub(str, -4,-1) == duplicate_char .. "'']" then -- normal case when |url=something & |title=Title.
 +
trim = true;
 +
end
 +
elseif end_chr == " " then -- if last char of output string is a space
 +
if f.sub(str, -2,-1) == duplicate_char .. " " then -- if last two chars of str are <sepc><space>
 +
str = f.sub(str, 1,-3); -- remove them both
 +
end
 +
end
  
−
This function sets default title types (equivalent to the citation including |type=<default value>) for those templates that have defaults.
+
if trim then
−
Also handles the special case where it is desirable to omit the title type from the rendered citation (|type=none).
+
if value ~= comp then -- value does not equal comp when value contains html markup
−
 
+
local dup2 = duplicate_char;
−
]]
+
if f.match(dup2, "%A" ) then dup2 = "%" .. dup2; end -- if duplicate_char not a letter then escape it
−
 
+
−
local function set_titletype (cite_class, title_type)
+
value = f.gsub(value, "(%b<>)" .. dup2, "%1", 1 ) -- remove duplicate_char if it follows html markup
−
if is_set(title_type) then
+
else
−
if "none" == title_type then
+
value = f.sub(value, 2, -1 ); -- remove duplicate_char when it is first character
−
title_type = ""; -- if |type=none then type parameter not displayed
+
end
 +
end
 +
end
 +
str = str .. value; --add it to the output string
 
end
 
end
−
return title_type; -- if |type= has been set to any other value use that value
 
 
end
 
end
 +
return str;
 +
end
  
−
return cfg.title_types [cite_class] or ''; -- set template's default title type; else empty string for concatenation
 
−
end
 
  
−
--[[--------------------------< C L E A N _ I S B N >----------------------------------------------------------
+
--[[--------------------------< I S _ S U F F I X >------------------------------------------------------------
  
−
Removes irrelevant text and dashes from ISBN number
+
returns true is suffix is properly formed Jr, Sr, or ordinal in the range 2–9.  Puncutation not allowed.
−
Similar to that used for Special:BookSources
 
  
 
]]
 
]]
  
−
local function clean_isbn( isbn_str )
+
local function is_suffix (suffix)
−
return isbn_str:gsub( "[^-0-9X]", "" );
+
if in_array (suffix, {'Jr', 'Sr', '2nd', '3rd'}) or suffix:match ('^%dth$') then
 +
return true;
 +
end
 +
return false;
 
end
 
end
  
−
--[[--------------------------< E S C A P E _ L U A _ M A G I C _ C H A R S >----------------------------------
 
  
−
Returns a string where all of lua's magic characters have been escaped.  This is important because functions like
+
--[[--------------------------< I S _ G O O D _ V A N C _ N A M E >--------------------------------------------
−
string.gsub() treat their pattern and replace strings as patterns, not literal strings.
 
−
]]
 
−
local function escape_lua_magic_chars (argument)
 
−
argument = argument:gsub("%%", "%%%%"); -- replace % with %%
 
−
argument = argument:gsub("([%^%$%(%)%.%[%]%*%+%-%?])", "%%%1"); -- replace all other lua magic pattern characters
 
−
return argument;
 
−
end
 
  
−
--[[--------------------------< S T R I P _ A P O S T R O P H E _ M A R K U P >--------------------------------
+
For Vancouver Style, author/editor names are supposed to be rendered in Latin (read ASCII) characters.  When a name
 +
uses characters that contain diacritical marks, those characters are to converted to the corresponding Latin character.
 +
When a name is written using a non-Latin alphabet or logogram, that name is to be transliterated into Latin characters.
 +
These things are not currently possible in this module so are left to the editor to do.
  
−
Strip wiki italic and bold markup from argument so that it doesn't contaminate COinS metadata.
+
This test allows |first= and |last= names to contain any of the letters defined in the four Unicode Latin character sets
−
This function strips common patterns of apostrophe markup. We presume that editors who have taken the time to
+
[http://www.unicode.org/charts/PDF/U0000.pdf C0 Controls and Basic Latin] 0041–005A, 0061–007A
−
markup a title have, as a result, provided valid markup. When they don't, some single apostrophes are left behind.
+
[http://www.unicode.org/charts/PDF/U0080.pdf C1 Controls and Latin-1 Supplement] 00C0–00D6, 00D8–00F6, 00F8–00FF
 +
[http://www.unicode.org/charts/PDF/U0100.pdf Latin Extended-A] 0100–017F
 +
[http://www.unicode.org/charts/PDF/U0180.pdf Latin Extended-B] 0180–01BF, 01C4–024F
 +
 
 +
|lastn= also allowed to contain hyphens, spaces, and apostrophes. (http://www.ncbi.nlm.nih.gov/books/NBK7271/box/A35029/)
 +
|firstn= also allowed to contain hyphens, spaces, apostrophes, and periods
 +
 
 +
This original test:
 +
if nil == mw.ustring.find (last, "^[A-Za-zÀ-ÖØ-öø-ƿDŽ-ɏ%-%s%']*$") or nil == mw.ustring.find (first, "^[A-Za-zÀ-ÖØ-öø-ƿDŽ-ɏ%-%s%'%.]+[2-6%a]*$") then
 +
was written ouside of the code editor and pasted here because the code editor gets confused between character insertion point and cursor position.
 +
The test has been rewritten to use decimal character escape sequence for the individual bytes of the unicode characters so that it is not necessary
 +
to use an external editor to maintain this code.
 +
 
 +
\195\128-\195\150 – À-Ö (U+00C0–U+00D6 – C0 controls)
 +
\195\152-\195\182 – Ø-ö (U+00D8-U+00F6 – C0 controls)
 +
\195\184-\198\191 – ø-ƿ (U+00F8-U+01BF – C0 controls, Latin extended A & B)
 +
\199\132-\201\143 – DŽ-ɏ (U+01C4-U+024F – Latin extended B)
  
 
]]
 
]]
  
−
local function strip_apostrophe_markup (argument)
+
local function is_good_vanc_name (last, first)
−
if not is_set (argument) then return argument; end
+
local first, suffix = first:match ('(.-),?%s*([%dJS][%drndth]+)%.?$') or first; -- if first has something that looks like a generational suffix, get it
  
−
while true do
+
if is_set (suffix) then
−
if argument:match ("%'%'%'%'%'") then -- bold italic (5)
+
if not is_suffix (suffix) then
−
argument=argument:gsub("%'%'%'%'%'", ""); -- remove all instances of it
+
add_vanc_error ('suffix');
−
elseif argument:match ("%'%'%'%'") then -- italic start and end without content (4)
+
return false; -- not a name with an appropriate suffix
−
argument=argument:gsub("%'%'%'%'", "");
 
−
elseif argument:match ("%'%'%'") then -- bold (3)
 
−
argument=argument:gsub("%'%'%'", "");
 
−
elseif argument:match ("%'%'") then -- italic (2)
 
−
argument=argument:gsub("%'%'", "");
 
−
else
 
−
break;
 
 
end
 
end
 
end
 
end
−
return argument; -- done
+
if nil == mw.ustring.find (last, "^[A-Za-z\195\128-\195\150\195\152-\195\182\195\184-\198\191\199\132-\201\143%-%s%']*$") or
 +
nil == mw.ustring.find (first, "^[A-Za-z\195\128-\195\150\195\152-\195\182\195\184-\198\191\199\132-\201\143%-%s%'%.]*$") then
 +
add_vanc_error ('non-Latin character');
 +
return false; -- not a string of latin characters; Vancouver requires Romanization
 +
end;
 +
return true;
 
end
 
end
  
−
--[[--------------------------< M A K E _ C O I N S _ T I T L E >----------------------------------------------
 
  
−
Makes a title for COinS from Title and / or ScriptTitle (or any other name-script pairs)
+
--[[--------------------------< R E D U C E _ T O _ I N I T I A L S >------------------------------------------
  
−
Apostrophe markup (bold, italics) is stripped from each value so that the COinS metadata isn't correupted with strings
+
Attempts to convert names to initials in support of |name-list-format=vanc.
−
of %27%27...
 
−
]]
 
  
−
local function make_coins_title (title, script)
+
Names in |firstn= may be separated by spaces or hyphens, or for initials, a period. See http://www.ncbi.nlm.nih.gov/books/NBK7271/box/A35062/.
−
if is_set (title) then
 
−
title = strip_apostrophe_markup (title); -- strip any apostrophe markup
 
−
else
 
−
title=''; -- if not set, make sure title is an empty string
 
−
end
 
−
if is_set (script) then
 
−
script = script:gsub ('^%l%l%s*:%s*', ''); -- remove language prefix if present (script value may now be empty string)
 
−
script = strip_apostrophe_markup (script); -- strip any apostrophe markup
 
−
else
 
−
script=''; -- if not set, make sure script is an empty string
 
−
end
 
−
if is_set (title) and is_set (script) then
 
−
script = ' ' .. script; -- add a space before we concatenate
 
−
end
 
−
return title .. script; -- return the concatenation
 
−
end
 
  
−
--[[--------------------------< G E T _ C O I N S _ P A G E S >------------------------------------------------
+
Vancouver style requires family rank designations (Jr, II, III, etc) to be rendered as Jr, 2nd, 3rd, etc.  See http://www.ncbi.nlm.nih.gov/books/NBK7271/box/A35085/.
 +
This code only accepts and understands generational suffix in the Vancouver format because Roman numerals look like, and can be mistaken for, initials.
  
−
Extract page numbers from external wikilinks in any of the |page=, |pages=, or |at= parameters for use in COinS.
+
This function uses ustring functions because firstname initials may be any of the unicode Latin characters accepted by is_good_vanc_name ().
  
 
]]
 
]]
  
−
local function get_coins_pages (pages)
+
local function reduce_to_initials(first)
−
local pattern;
+
local name, suffix = mw.ustring.match(first, "^(%u+) ([%dJS][%drndth]+)$");
−
if not is_set (pages) then return pages; end -- if no page numbers then we're done
+
 
−
+
if not name then -- if not initials and a suffix
−
while true do
+
name = mw.ustring.match(first, "^(%u+)$"); -- is it just intials?
−
pattern = pages:match("%[(%w*:?//[^ ]+%s+)[%w%d].*%]"); -- pattern is the opening bracket, the url and following space(s): "[url "
 
−
if nil == pattern then break; end -- no more urls
 
−
pattern = escape_lua_magic_chars (pattern); -- pattern is not a literal string; escape lua's magic pattern characters
 
−
pages = pages:gsub(pattern, ""); -- remove as many instances of pattern as possible
 
 
end
 
end
−
pages = pages:gsub("[%[%]]", ""); -- remove the brackets
 
−
pages = pages:gsub("–", "-" ); -- replace endashes with hyphens
 
−
pages = pages:gsub("&%w+;", "-" ); -- and replace html entities (&ndash; etc.) with hyphens; do we need to replace numerical entities like &#32; and the like?
 
−
return pages;
 
−
end
 
  
−
-- Gets the display text for a wikilink like [[A|B]] or [[B]] gives B
+
if name then -- if first is initials with or without suffix
−
local function remove_wiki_link( str )
+
if 3 > mw.ustring.len (name) then -- if one or two initials
−
return (str:gsub( "%[%[([^%[%]]*)%]%]", function(l)
+
if suffix then -- if there is a suffix
−
return l:gsub( "^[^|]*|(.*)$", "%1" ):gsub("^%s*(.-)%s*$", "%1");
+
if is_suffix (suffix) then -- is it legitimate?
−
end));
+
return first; -- one or two initials and a valid suffix so nothing to do
 +
else
 +
add_vanc_error ('suffix'); -- one or two initials with invalid suffix so error message
 +
return first; -- and return first unmolested
 +
end
 +
else
 +
return first; -- one or two initials without suffix; nothing to do
 +
end
 +
end
 +
end -- if here then name has 3 or more uppercase letters so treat them as a word
 +
 
 +
 
 +
local initials, names = {}, {}; -- tables to hold name parts and initials
 +
local i = 1; -- counter for number of initials
 +
 
 +
names = mw.text.split (first, '[%s,]+'); -- split into a table of names and possible suffix
 +
 
 +
while names[i] do -- loop through the table
 +
if 1 < i and names[i]:match ('[%dJS][%drndth]+%.?$') then -- if not the first name, and looks like a suffix (may have trailing dot)
 +
names[i] = names[i]:gsub ('%.', ''); -- remove terminal dot if present
 +
if is_suffix (names[i]) then -- if a legitimate suffix
 +
table.insert (initials, ' ' .. names[i]); -- add a separator space, insert at end of initials table
 +
break; -- and done because suffix must fall at the end of a name
 +
end -- no error message if not a suffix; possibly because of Romanization
 +
end
 +
if 3 > i then
 +
table.insert (initials, mw.ustring.sub(names[i],1,1)); -- insert the intial at end of initials table
 +
end
 +
i = i+1; -- bump the counter
 +
end
 +
 +
return table.concat(initials) -- Vancouver format does not include spaces.
 
end
 
end
  
−
-- Converts a hyphen to a dash
 
−
local function hyphen_to_dash( str )
 
−
if not is_set(str) or str:match( "[%[%]{}<>]" ) ~= nil then
 
−
return str;
 
−
end
 
−
return str:gsub( '-', '–' );
 
−
end
 
  
−
--[[--------------------------< S A F E _ J O I N >------------------------------------------------------------
+
--[[--------------------------< L I S T  _ P E O P L E >-------------------------------------------------------
  
−
Joins a sequence of strings together while checking for duplicate separation characters.
+
Formats a list of people (e.g. authors / editors)
  
 
]]
 
]]
  
−
local function safe_join( tbl, duplicate_char )
+
local function list_people(control, people, etal)
−
--[[
+
local sep;
−
Note: we use string functions here, rather than ustring functions.
+
local namesep;
 +
local format = control.format
 +
local maximum = control.maximum
 +
local lastauthoramp = control.lastauthoramp;
 +
local text = {}
 +
 
 +
if 'vanc' == format then -- Vancouver-like author/editor name styling?
 +
sep = cfg.presentation['sep_nl_vanc']; -- name-list separator between authors is a comma
 +
namesep = cfg.presentation['sep_name_vanc']; -- last/first separator is a space
 +
else
 +
sep = cfg.presentation['sep_nl']; -- name-list separator between authors is a semicolon
 +
namesep = cfg.presentation['sep_name']; -- last/first separator is <comma><space>
 +
end
 
 
−
This has considerably faster performance and should work correctly as
+
if sep:sub(-1,-1) ~= " " then sep = sep .. " " end
−
long as the duplicate_char is strict ASCII. The strings
+
if is_set (maximum) and maximum < 1 then return "", 0; end -- returned 0 is for EditorCount; not used for authors
−
in tbl may be ASCII or UTF8.
 
−
]]
 
 
 
−
local str = ''; -- the output string
+
for i,person in ipairs(people) do
−
local comp = ''; -- what does 'comp' mean?
+
if is_set(person.last) then
−
local end_chr = '';
+
local mask = person.mask
−
local trim;
+
local one
−
for _, value in ipairs( tbl ) do
+
local sep_one = sep;
−
if value == nil then value = ''; end
+
if is_set (maximum) and i > maximum then
−
+
etal = true;
−
if str == '' then -- if output string is empty
+
break;
−
str = value; -- assign value to it (first time through the loop)
+
elseif (mask ~= nil) then
−
elseif value ~= '' then
+
local n = tonumber(mask)
−
if value:sub(1,1) == '<' then -- Special case of values enclosed in spans and other markup.
+
if (n ~= nil) then
−
comp = value:gsub( "%b<>", "" ); -- remove html markup (<span>string</span> -> string)
+
one = string.rep("&mdash;",n)
 +
else
 +
one = mask;
 +
sep_one = " ";
 +
end
 
else
 
else
−
comp = value;
+
one = person.last
 +
local first = person.first
 +
if is_set(first) then
 +
if ( "vanc" == format ) then -- if vancouver format
 +
one = one:gsub ('%.', ''); -- remove periods from surnames (http://www.ncbi.nlm.nih.gov/books/NBK7271/box/A35029/)
 +
if not person.corporate and is_good_vanc_name (one, first) then -- and name is all Latin characters; corporate authors not tested
 +
first = reduce_to_initials(first) -- attempt to convert first name(s) to initials
 +
end
 +
end
 +
one = one .. namesep .. first;
 +
end
 +
if is_set(person.link) and person.link ~= control.page_name then
 +
one = make_wikilink (person.link, one); -- link author/editor if this page is not the author's/editor's page
 +
end
 
end
 
end
−
-- typically duplicate_char is sepc
+
table.insert( text, one )
−
if comp:sub(1,1) == duplicate_char then -- is first charactier same as duplicate_char? why test first character?
+
table.insert( text, sep_one )
−
--  Because individual string segments often (always?) begin with terminal punct for th
+
end
−
--  preceding segment: 'First element' .. 'sepc next element' .. etc?
+
end
−
trim = false;
 
−
end_chr = str:sub(-1,-1); -- get the last character of the output string
 
−
-- str = str .. "<HERE(enchr=" .. end_chr.. ")" -- debug stuff?
 
−
if end_chr == duplicate_char then -- if same as separator
 
−
str = str:sub(1,-2); -- remove it
 
−
elseif end_chr == "'" then -- if it might be wikimarkup
 
−
if str:sub(-3,-1) == duplicate_char .. "''" then -- if last three chars of str are sepc''
 
−
str = str:sub(1, -4) .. "''"; -- remove them and add back ''
 
−
elseif str:sub(-5,-1) == duplicate_char .. "]]''" then -- if last five chars of str are sepc]]''
 
−
trim = true; -- why? why do this and next differently from previous?
 
−
elseif str:sub(-4,-1) == duplicate_char .. "]''" then -- if last four chars of str are sepc]''
 
−
trim = true; -- same question
 
−
end
 
−
elseif end_chr == "]" then -- if it might be wikimarkup
 
−
if str:sub(-3,-1) == duplicate_char .. "]]" then -- if last three chars of str are sepc]] wikilink
 
−
trim = true;
 
−
elseif str:sub(-2,-1) == duplicate_char .. "]" then -- if last two chars of str are sepc] external link
 
−
trim = true;
 
−
elseif str:sub(-4,-1) == duplicate_char .. "'']" then -- normal case when |url=something & |title=Title.
 
−
trim = true;
 
−
end
 
−
elseif end_chr == " " then -- if last char of output string is a space
 
−
if str:sub(-2,-1) == duplicate_char .. " " then -- if last two chars of str are <sepc><space>
 
−
str = str:sub(1,-3); -- remove them both
 
−
end
 
−
end
 
  
−
if trim then
+
local count = #text / 2; -- (number of names + number of separators) divided by 2
−
if value ~= comp then -- value does not equal comp when value contains html markup
+
if count > 0 then  
−
local dup2 = duplicate_char;
+
if count > 1 and is_set(lastauthoramp) and not etal then
−
if dup2:match( "%A" ) then dup2 = "%" .. dup2; end -- if duplicate_char not a letter then escape it
+
text[#text-2] = " & "; -- replace last separator with ampersand text
−
 
−
value = value:gsub( "(%b<>)" .. dup2, "%1", 1 ) -- remove duplicate_char if it follows html markup
 
−
else
 
−
value = value:sub( 2, -1 ); -- remove duplicate_char when it is first character
 
−
end
 
−
end
 
−
end
 
−
str = str .. value; --add it to the output string
 
 
end
 
end
 +
text[#text] = nil; -- erase the last separator
 
end
 
end
−
return str;
+
−
end
+
local result = table.concat(text) -- construct list
 +
if etal and is_set (result) then -- etal may be set by |display-authors=etal but we might not have a last-first list
 +
result = result .. sep .. ' ' .. cfg.messages['et al']; -- we've go a last-first list and etal so add et al.
 +
end
 +
 +
return result, count
 +
end
  
−
--[[--------------------------< I S _ G O O D _ V A N C _ N A M E >--------------------------------------------
 
  
−
For Vancouver Style, author/editor names are supposed to be rendered in Latin (read ASCII) characters.  When a name
+
--[[--------------------------< A N C H O R _ I D >------------------------------------------------------------
−
uses characters that contain diacritical marks, those characters are to converted to the corresponding Latin character.
 
−
When a name is written using a non-Latin alphabet or logogram, that name is to be transliterated into Latin characters.
 
−
These things are not currently possible in this module so are left to the editor to do.
 
  
−
This test allows |first= and |last= names to contain any of the letters defined in the four Unicode Latin character sets
+
Generates a CITEREF anchor ID if we have at least one name or a date. Otherwise returns an empty string.
−
[http://www.unicode.org/charts/PDF/U0000.pdf C0 Controls and Basic Latin] 0041–005A, 0061–007A
 
−
[http://www.unicode.org/charts/PDF/U0080.pdf C1 Controls and Latin-1 Supplement] 00C0–00D6, 00D8–00F6, 00F8–00FF
 
−
[http://www.unicode.org/charts/PDF/U0100.pdf Latin Extended-A] 0100–017F
 
−
[http://www.unicode.org/charts/PDF/U0180.pdf Latin Extended-B] 0180–01BF, 01C4–024F
 
  
−
|lastn= also allowed to contain hyphens, spaces, and apostrophes. (http://www.ncbi.nlm.nih.gov/books/NBK7271/box/A35029/)
+
namelist is one of the contributor-, author-, or editor-name lists chosen in that order. year is Year or anchor_year.
−
|firstn= also allowed to contain hyphens, spaces, apostrophes, and periods
 
−
 
 
−
At the time of this writing, I had to write the 'if nil == mw.ustring.find ...' test ouside of the code editor and past it here
 
−
because the code editor gets confused between character insertion point and cursor position.
 
  
 
]]
 
]]
−
 
+
local function anchor_id (namelist, year)
−
local function is_good_vanc_name (last, first)
+
local names={}; -- a table for the one to four names and year
−
if nil == mw.ustring.find (last, "^[A-Za-zÀ-ÖØ-öø-ƿDŽ-ɏ%-%s%']*$") or nil == mw.ustring.find (first, "^[A-Za-zÀ-ÖØ-öø-ƿDŽ-ɏ%-%s%'%.]*$") then
+
for i,v in ipairs (namelist) do -- loop through the list and take up to the first four last names
−
if true ~= Page_in_vanc_error_cat then -- if we haven't been here before then set a sticky flag
+
names[i] = v.last
−
Page_in_vanc_error_cat=true; -- so that if there are more than one error the category is added only once
+
if i == 4 then break end -- if four then done
−
table.insert( z.message_tail, { set_error( 'vancouver', {}, true ) } );
+
end
−
end
+
table.insert (names, year); -- add the year at the end
−
return false; -- not a string of latin characters; Vancouver required Romanization
+
local id = table.concat(names); -- concatenate names and year for CITEREF id
−
end;
+
if is_set (id) then -- if concatenation is not an empty string
−
return true;
+
return "CITEREF" .. id; -- add the CITEREF portion
 +
else
 +
return ''; -- return an empty string; no reason to include CITEREF id in this citation
 +
end
 
end
 
end
  
−
--[[--------------------------< R E D U C E _ T O _ I N I T I A L S >------------------------------------------
 
  
−
Attempts to convert names to initials in support of |name-list-format=vanc. 
+
--[[--------------------------< N A M E _ H A S _ E T A L >----------------------------------------------------
  
−
Names in |firstn= may be separated by spaces or hyphens, or for initials, a period. See http://www.ncbi.nlm.nih.gov/books/NBK7271/box/A35062/.
+
Evaluates the content of name parameters (author, editor, etc) for variations on the theme of et al.  If found,
 +
the et al. is removed, a flag is set to true and the function returns the modified name and the flag.
  
−
Vancouver style requires family rank designations (Jr, II, III, etc) to be rendered as Jr, 2nd, 3rd, etc.  This form is not
+
This function never sets the flag to false but returns it's previous state because it may have been set by
−
currently supported by this code so correctly formed names like Smith JL 2nd are converted to Smith J2. See http://www.ncbi.nlm.nih.gov/books/NBK7271/box/A35085/.
+
previous passes through this function or by the associated |display-<names>=etal parameter
−
 
 
−
This function uses ustring functions because firstname initials may be any of the unicode Latin characters accepted by is_good_vanc_name ().
 
  
 
]]
 
]]
  
−
local function reduce_to_initials(first)
+
local function name_has_etal (name, etal, nocat, param)
−
if mw.ustring.match(first, "^%u%u$") then return first end; -- when first contains just two upper-case letters, nothing to do
+
 
−
local initials = {}
+
if is_set (name) then -- name can be nil in which case just return
−
local i = 0; -- counter for number of initials
+
local patterns = cfg.et_al_patterns; --get patterns from configuration
−
for word in mw.ustring.gmatch(first, "[^%s%.%-]+") do -- names separated by spaces, hyphens, or periods
+
−
table.insert(initials, mw.ustring.sub(word,1,1)) -- Vancouver format does not include full stops.
+
for _, pattern in ipairs (patterns) do -- loop through all of the patterns
−
i = i + 1; -- bump the counter
+
if name:match (pattern) then -- if this 'et al' pattern is found in name
−
if 2 <= i then break; end -- only two initials allowed in Vancouver system; if 2, quit
+
name = name:gsub (pattern, ''); -- remove the offending text
 +
etal = true; -- set flag (may have been set previously here or by |display-<names>=etal)
 +
if not nocat then -- no categorization for |vauthors=
 +
table.insert( z.message_tail, {set_error ('etal', {param})}); -- and set an error if not added
 +
end
 +
end
 +
end
 
end
 
end
−
return table.concat(initials) -- Vancouver format does not include spaces.
+
 
 +
return name, etal; --  
 
end
 
end
  
−
--[[--------------------------< L I S T  _ P E O P L E >-------------------------------------------------------
 
  
−
Formats a list of people (e.g. authors / editors)
+
--[[--------------------------< N A M E _ H A S _ E D _ M A R K U P >------------------------------------------
 +
 
 +
Evaluates the content of author and editor parameters for extranious editor annotations: ed, ed., eds, (Ed.), etc.
 +
These annotation do not belong in author parameters and are redundant in editor parameters.  If found, the function
 +
adds the editor markup maintenance category.
  
 
]]
 
]]
  
−
local function list_people(control, people, etal)
+
local function name_has_ed_markup (name, list_name)
−
local sep;
+
local _, pattern;
−
local namesep;
+
local patterns = cfg.editor_markup_patterns; -- get patterns from configuration
−
local format = control.format
 
−
local maximum = control.maximum
 
−
local lastauthoramp = control.lastauthoramp;
 
−
local text = {}
 
  
−
if 'vanc' == format then -- Vancouver-like author/editor name styling?
+
if is_set (name) then
−
sep = ','; -- name-list separator between authors is a comma
+
for _, pattern in ipairs (patterns) do -- spin through patterns table and
−
namesep = ' '; -- last/first separator is a space
+
if name:match (pattern) then
−
else
+
add_maint_cat ('extra_text_names', cfg.special_case_translation [list_name]); -- add a maint cat for this template
−
sep = ';' -- name-list separator between authors is a semicolon
+
break;
−
namesep = ', ' -- last/first separator is <comma><space>
+
end
 +
end
 
end
 
end
−
+
return name; -- and done
−
if sep:sub(-1,-1) ~= " " then sep = sep .. " " end
+
end
−
if is_set (maximum) and maximum < 1 then return "", 0; end -- returned 0 is for EditorCount; not used for authors
+
 
−
+
 
−
for i,person in ipairs(people) do
+
--[[--------------------------< N A M E _ H A S _ M U L T _ N A M E S >----------------------------------------
−
if is_set(person.last) then
+
 
−
local mask = person.mask
+
Evaluates the content of author and editor (surnames only) parameters for multiple names.  Multiple names are
−
local one
+
indicated if there is more than one comma and or semicolon. If found, the function adds the multiple name
−
local sep_one = sep;
+
(author or editor) maintenance category.
−
if is_set (maximum) and i > maximum then
+
 
−
etal = true;
+
]]
−
break;
 
−
elseif (mask ~= nil) then
 
−
local n = tonumber(mask)
 
−
if (n ~= nil) then
 
−
one = string.rep("&mdash;",n)
 
−
else
 
−
one = mask;
 
−
sep_one = " ";
 
−
end
 
−
else
 
−
one = person.last
 
−
local first = person.first
 
−
if is_set(first) then
 
−
if ( "vanc" == format ) then -- if vancouver format
 
−
one = one:gsub ('%.', ''); -- remove periods from surnames (http://www.ncbi.nlm.nih.gov/books/NBK7271/box/A35029/)
 
−
if is_good_vanc_name (one, first) then -- and name is all Latin characters
 
−
first = reduce_to_initials(first) -- attempt to convert first name(s) to initials
 
−
end
 
−
end
 
−
one = one .. namesep .. first
 
−
end
 
−
if is_set(person.link) and person.link ~= control.page_name then
 
−
one = "[[" .. person.link .. "|" .. one .. "]]" -- link author/editor if this page is not the author's/editor's page
 
−
end
 
  
−
if is_set(person.link) and ((nil ~= person.link:find("//")) or (nil ~= person.link:find("[%[%]]"))) then
+
local function name_has_mult_names (name, list_name)
−
one = one .. " " .. set_error( 'bad_authorlink' ) end -- url or wikilink in author link;
+
local count, _;
−
end
+
if is_set (name) then
−
table.insert( text, one )
+
_, count = name:gsub ('[;,]', ''); -- count the number of separator-like characters
−
table.insert( text, sep_one )
+
−
end
+
if 1 < count then -- param could be |author= or |editor= so one separator character is acceptable
−
end
+
add_maint_cat ('mult_names', cfg.special_case_translation [list_name]); -- more than one separator indicates multiple names so add a maint cat for this template
−
 
 
−
local count = #text / 2;
 
−
if count > 0 then
 
−
if count > 1 and is_set(lastauthoramp) and not etal then
 
−
text[#text-2] = " & ";
 
 
end
 
end
−
text[#text] = nil;
 
 
end
 
end
−
+
return name; -- and done
−
local result = table.concat(text) -- construct list
 
−
if etal then
 
−
local etal_text = cfg.messages['et al'];
 
−
result = result .. " " .. etal_text;
 
−
end
 
−
 
−
return result, count
 
 
end
 
end
  
−
--[[--------------------------< A N C H O R _ I D >------------------------------------------------------------
 
  
−
Generates a CITEREF anchor ID if we have at least one name or a date.  Otherwise returns an empty string.
+
--[[--------------------------< N A M E _ C H E C K S >--------------------------------------------------------
 +
This function calls various name checking functions used to validate the content of the various name-holding
 +
parameters.
  
 
]]
 
]]
  
−
local function anchor_id( options )
+
local function name_checks (last, first, list_name)
−
local id = table.concat( options ); -- concatenate names and year for CITEREF id
+
if is_set (last) then
−
if is_set (id) then -- if concatenation is not an empty string
+
if last:match ('^%(%(.*%)%)$') then -- if wrapped in doubled parentheses, accept as written
−
return "CITEREF" .. id; -- add the CITEREF portion
+
last = last:match ('^%(%((.*)%)%)$'); -- strip parens
−
else
+
else
−
return ''; -- return an empty string; no reason to include CITEREF id in this citation
+
last = name_has_mult_names (last, list_name); -- check for multiple names in the parameter (last only)
 +
last = name_has_ed_markup (last, list_name); -- check for extraneous 'editor' annotation
 +
end
 +
end
 +
if is_set (first) then
 +
if first:match ('^%(%(.*%)%)$') then -- if wrapped in doubled parentheses, accept as written
 +
first = first:match ('^%(%((.*)%)%)$'); -- strip parens
 +
else
 +
first = name_has_ed_markup (first, list_name); -- check for extraneous 'editor' annotation
 +
end
 +
end
 +
return last, first; -- done
 
end
 
end
−
end
+
 
  
 
--[[--------------------------< E X T R A C T _ N A M E S >----------------------------------------------------
 
--[[--------------------------< E X T R A C T _ N A M E S >----------------------------------------------------
Line 1,445: Line 1,379:
 
local count = 0; -- used to count the number of times we haven't found a |last= (or alias for authors, |editor-last or alias for editors)
 
local count = 0; -- used to count the number of times we haven't found a |last= (or alias for authors, |editor-last or alias for editors)
 
local etal=false; -- return value set to true when we find some form of et al. in an author parameter
 
local etal=false; -- return value set to true when we find some form of et al. in an author parameter
−
local pattern = ",? *'*[Ee][Tt] *[Aa][Ll][%.']*$" -- variations on the 'et al' theme
 
−
 
−
local err_msg_list_name = list_name:match ("(%w+)List") .. 's list'; -- modify AuthorList or EditorList for use in error messages if necessary
 
  
 +
local last_alias, first_alias; -- selected parameter aliases used in error messaging
 
while true do
 
while true do
−
last = select_one( args, cfg.aliases[list_name .. '-Last'], 'redundant_parameters', i ); -- search through args for name components beginning at 1
+
last, last_alias = select_one( args, cfg.aliases[list_name .. '-Last'], 'redundant_parameters', i ); -- search through args for name components beginning at 1
−
first = select_one( args, cfg.aliases[list_name .. '-First'], 'redundant_parameters', i );
+
first, first_alias = select_one( args, cfg.aliases[list_name .. '-First'], 'redundant_parameters', i );
 
link = select_one( args, cfg.aliases[list_name .. '-Link'], 'redundant_parameters', i );
 
link = select_one( args, cfg.aliases[list_name .. '-Link'], 'redundant_parameters', i );
 
mask = select_one( args, cfg.aliases[list_name .. '-Mask'], 'redundant_parameters', i );
 
mask = select_one( args, cfg.aliases[list_name .. '-Mask'], 'redundant_parameters', i );
  
−
local name = tostring(last);
+
last, etal = name_has_etal (last, etal, false, last_alias); -- find and remove variations on et al.
−
if name:match (pattern) then -- varients on et al.
+
first, etal = name_has_etal (first, etal, false, first_alias); -- find and remove variations on et al.
−
last = name:gsub (pattern, ''); -- if found, remove
+
last, first= name_checks (last, first, list_name); -- multiple names, extraneous annotation, etc checks
−
etal = true;
+
−
end
+
if first and not last then -- if there is a firstn without a matching lastn
−
name = tostring(first);
+
table.insert( z.message_tail, { set_error( 'first_missing_last', {first_alias, first_alias:gsub('first', 'last')}, true ) } ); -- add this error message
−
if name:match (pattern) then -- varients on et al.
 
−
first = name:gsub (pattern, ''); -- if found, remove
 
−
etal = true;
 
−
end
 
−
 
 
−
if first and not last then -- if there is a firstn without a matching lastn
 
−
table.insert( z.message_tail, { set_error( 'first_missing_last', {err_msg_list_name, i}, true ) } ); -- add this error message
 
 
elseif not first and not last then -- if both firstn and lastn aren't found, are we done?
 
elseif not first and not last then -- if both firstn and lastn aren't found, are we done?
 
count = count + 1; -- number of times we haven't found last and first
 
count = count + 1; -- number of times we haven't found last and first
−
if 2 == count then -- two missing names and we give up
+
if 2 <= count then -- two missing names and we give up
 
break; -- normal exit or there is a two-name hole in the list; can't tell which
 
break; -- normal exit or there is a two-name hole in the list; can't tell which
 
end
 
end
 
else -- we have last with or without a first
 
else -- we have last with or without a first
−
names[n] = {last = last, first = first, link = link, mask = mask}; -- add this name to our names list
+
link_title_ok (link, list_name:match ("(%w+)List"):lower() .. '-link' .. i, last, list_name:match ("(%w+)List"):lower() .. '-last' .. i); -- check for improper wikimarkup
 +
 
 +
names[n] = {last = last, first = first, link = link, mask = mask, corporate=false}; -- add this name to our names list (corporate for |vauthors= only)
 
n = n + 1; -- point to next location in the names table
 
n = n + 1; -- point to next location in the names table
 
if 1 == count then -- if the previous name was missing
 
if 1 == count then -- if the previous name was missing
−
table.insert( z.message_tail, { set_error( 'missing_name', {err_msg_list_name, i-1}, true ) } ); -- add this error message
+
table.insert( z.message_tail, { set_error( 'missing_name', {list_name:match ("(%w+)List"):lower(), i-1}, true ) } ); -- add this error message
 
end
 
end
 
count = 0; -- reset the counter, we're looking for two consecutive missing names
 
count = 0; -- reset the counter, we're looking for two consecutive missing names
Line 1,484: Line 1,411:
 
end
 
end
 
 
−
if true == etal then
 
−
add_maint_cat ('etal');
 
−
end
 
 
return names, etal; -- all done, return our list of names
 
return names, etal; -- all done, return our list of names
 
end
 
end
  
−
-- Populates ID table from arguments using configuration settings
 
−
local function extract_ids( args )
 
−
local id_list = {};
 
−
for k, v in pairs( cfg.id_handlers ) do
 
−
v = select_one( args, v.parameters, 'redundant_parameters' );
 
−
if is_set(v) then id_list[k] = v; end
 
−
end
 
−
return id_list;
 
−
end
 
  
−
--[[--------------------------< B U I L D _ I D _ L I S T >--------------------------------------------------------
+
--[[--------------------------< G E T _ I S O 6 3 9 _ C O D E >------------------------------------------------
 +
 
 +
Validates language names provided in |language= parameter if not an ISO639-1 or 639-2 code.
 +
 
 +
Returns the language name and associated two- or three-character code.  Because case of the source may be incorrect
 +
or different from the case that WikiMedia uses, the name comparisons are done in lower case and when a match is
 +
found, the Wikimedia version (assumed to be correct) is returned along with the code.  When there is no match, we
 +
return the original language name string.
 +
 
 +
mw.language.fetchLanguageNames(<local wiki language>, 'all') returns a list of languages that in some cases may include
 +
extensions. For example, code 'cbk-zam' and its associated name 'Chavacano de Zamboanga' (MediaWiki does not support
 +
code 'cbk' or name 'Chavacano'.  Most (all?) of these languages are not used a 'language' codes per se, rather they
 +
are used as sub-domain names: cbk-zam.wikipedia.org.  A list of language names and codes supported by fetchLanguageNames()
 +
can be found at Template:Citation Style documentation/language/doc
 +
 
 +
Names that are included in the list will be found if that name is provided in the |language= parameter.  For example,
 +
if |language=Chavacano de Zamboanga, that name will be found with the associated code 'cbk-zam'.  When names are found
 +
and the associated code is not two or three characters, this function returns only the WikiMedia language name.
 +
 
 +
Some language names have multiple entries under different codes:
 +
Aromanian has code rup and code roa-rup
 +
When this occurs, this function returns the language name and the 2- or 3-character code
  
−
Takes a table of IDs and turns it into a table of formatted ID outputs.
+
Adapted from code taken from Module:Check ISO 639-1.
  
 
]]
 
]]
  
−
local function build_id_list( id_list, options )
+
local function get_iso639_code (lang, this_wiki_code)
−
local new_list, handler = {};
+
if cfg.lang_name_remap[lang:lower()] then -- if there is a remapped name (because MediaWiki uses something that we don't think is correct)
 +
return cfg.lang_name_remap[lang:lower()][1], cfg.lang_name_remap[lang:lower()][2]; -- for this language 'name', return a possibly new name and appropriate code
 +
end
  
−
function fallback(k) return { __index = function(t,i) return cfg.id_handlers[k][i] end } end;
+
local ietf_code; -- because some languages have both ietf-like codes and iso 639-like codes
 +
local ietf_name;
 
 
−
for k, v in pairs( id_list ) do
+
local languages = mw.language.fetchLanguageNames(this_wiki_code, 'all') -- get a list of language names known to Wikimedia
−
-- fallback to read-only cfg
+
-- ('all' is required for North Ndebele, South Ndebele, and Ojibwa)
−
handler = setmetatable( { ['id'] = v }, fallback(k) );
+
local langlc = mw.ustring.lower(lang); -- lower case version for comparisons
−
+
 
−
if handler.mode == 'external' then
+
for code, name in pairs(languages) do -- scan the list to see if we can find our language
−
table.insert( new_list, {handler.label, external_link_id( handler ) } );
+
if langlc == mw.ustring.lower(name) then
−
elseif handler.mode == 'internal' then
+
if 2 == code:len() or 3 == code:len() then -- two- or three-character codes only; extensions not supported
−
table.insert( new_list, {handler.label, internal_link_id( handler ) } );
+
return name, code; -- so return the name and the code
−
elseif handler.mode ~= 'manual' then
 
−
error( cfg.messages['unknown_ID_mode'] );
 
−
elseif k == 'DOI' then
 
−
table.insert( new_list, {handler.label, doi( v, options.DoiBroken ) } );
 
−
elseif k == 'ARXIV' then
 
−
table.insert( new_list, {handler.label, arxiv( v, options.Class ) } );  
 
−
elseif k == 'ASIN' then
 
−
table.insert( new_list, {handler.label, amazon( v, options.ASINTLD ) } );
 
−
elseif k == 'LCCN' then
 
−
table.insert( new_list, {handler.label, lccn( v ) } );
 
−
elseif k == 'OL' then
 
−
table.insert( new_list, {handler.label, openlibrary( v ) } );
 
−
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 == 'ISSN' then
 
−
table.insert( new_list, {handler.label, issn( v ) } );
 
−
elseif k == 'ISBN' then
 
−
local ISBN = internal_link_id( handler );
 
−
if not check_isbn( v ) and not is_set(options.IgnoreISBN) then
 
−
ISBN = ISBN .. set_error( 'bad_isbn', {}, false, " ", "" );
 
 
end
 
end
−
table.insert( new_list, {handler.label, ISBN } );
+
ietf_code = code; -- remember that we found an ietf-like code and save its name
−
elseif k == 'USENETID' then
+
ietf_name = name; -- but keep looking for a 2- or 3-char code
−
table.insert( new_list, {handler.label, message_id( v ) } );
 
−
else
 
−
error( cfg.messages['unknown_manual_ID'] );
 
 
end
 
end
 
end
 
end
−
+
-- didn't find name with 2- or 3-char code; if ietf-like code found return
−
function comp( a, b ) -- used in following table.sort()
+
return ietf_code and ietf_name or lang; -- associated name; return original language text else
−
return a[1] < b[1];
 
−
end
 
−
 
−
table.sort( new_list, comp );
 
−
for k, v in ipairs( new_list ) do
 
−
new_list[k] = v[2];
 
−
end
 
−
 
−
return new_list;
 
−
end
 
−
 
 
−
 
 
−
-- COinS metadata (see <http://ocoins.info/>) allows automated tools to parse
 
−
-- the citation information.
 
−
local function COinS(data, class)
 
−
if 'table' ~= type(data) or nil == next(data) then
 
−
return '';
 
−
end
 
−
 
−
local ctx_ver = "Z39.88-2004";
 
−
 
−
-- treat table strictly as an array with only set values.
 
−
local OCinSoutput = setmetatable( {}, {
 
−
__newindex = function(self, key, value)
 
−
if is_set(value) then
 
−
rawset( self, #self+1, table.concat{ key, '=', mw.uri.encode( remove_wiki_link( value ) ) } );
 
−
end
 
−
end
 
−
});
 
−
 
−
if is_set(data.Chapter) then
 
−
OCinSoutput.rft_val_fmt = "info:ofi/fmt:kev:mtx:book";
 
−
OCinSoutput["rft.genre"] = "bookitem";
 
−
OCinSoutput["rft.atitle"] = data.Chapter;
 
−
OCinSoutput["rft.btitle"] = data.Title;
 
−
elseif is_set(data.Periodical) then
 
−
OCinSoutput.rft_val_fmt = "info:ofi/fmt:kev:mtx:journal";
 
−
if 'arxiv' == class then
 
−
OCinSoutput["rft.genre"] = "preprint"; -- cite arxiv
 
−
else
 
−
OCinSoutput["rft.genre"] = "article";
 
−
end
 
−
OCinSoutput["rft.jtitle"] = data.Periodical;
 
−
OCinSoutput["rft.atitle"] = data.Title;
 
−
else
 
−
OCinSoutput.rft_val_fmt = "info:ofi/fmt:kev:mtx:book";
 
−
OCinSoutput["rft.genre"] = "book"
 
−
OCinSoutput["rft.btitle"] = data.Title;
 
−
end
 
−
 
−
OCinSoutput["rft.place"] = data.PublicationPlace;
 
−
OCinSoutput["rft.date"] = data.Date;
 
−
OCinSoutput["rft.series"] = data.Series;
 
−
OCinSoutput["rft.volume"] = data.Volume;
 
−
OCinSoutput["rft.issue"] = data.Issue;
 
−
OCinSoutput["rft.pages"] = data.Pages;
 
−
OCinSoutput["rft.edition"] = data.Edition;
 
−
OCinSoutput["rft.pub"] = data.PublisherName;
 
−
 
−
for k, v in pairs( data.ID_list ) do
 
−
local id, value = cfg.id_handlers[k].COinS;
 
−
if k == 'ISBN' then value = clean_isbn( v ); else value = v; end
 
−
if string.sub( id or "", 1, 4 ) == 'info' then
 
−
OCinSoutput["rft_id"] = table.concat{ id, "/", v };
 
−
else
 
−
OCinSoutput[ id ] = value;
 
−
end
 
−
end
 
−
 
−
local last, first;
 
−
for k, v in ipairs( data.Authors ) do
 
−
last, first = v.last, v.first;
 
−
if k == 1 then
 
−
if is_set(last) then
 
−
OCinSoutput["rft.aulast"] = last;
 
−
end
 
−
if is_set(first) then
 
−
OCinSoutput["rft.aufirst"] = first;
 
−
end
 
−
end
 
−
if is_set(last) and is_set(first) then
 
−
OCinSoutput["rft.au"] = table.concat{ last, ", ", first };
 
−
elseif is_set(last) then
 
−
OCinSoutput["rft.au"] = last;
 
−
end
 
−
end
 
−
 
−
OCinSoutput.rft_id = data.URL;
 
−
OCinSoutput.rfr_id = table.concat{ "info:sid/", mw.site.server:match( "[^/]*$" ), ":", data.RawPage };
 
−
OCinSoutput = setmetatable( OCinSoutput, nil );
 
−
 
−
-- sort with version string always first, and combine.
 
−
table.sort( OCinSoutput );
 
−
table.insert( OCinSoutput, 1, "ctx_ver=" .. ctx_ver ); -- such as "Z39.88-2004"
 
−
return table.concat(OCinSoutput, "&");
 
 
end
 
end
  
  
−
--[[--------------------------< G E T _ I S O 6 3 9 _ C O D E >------------------------------------------------
+
--[[--------------------------< L A N G U A G E _ P A R A M E T E R >------------------------------------------
 +
 
 +
Gets language name from a provided two- or three-character ISO 639 code.  If a code is recognized by MediaWiki,
 +
use the returned name; if not, then use the value that was provided with the language parameter.
  
−
Validates language names provided in |language= parameter if not an ISO639-1 code.  Handles the special case that is Norwegian where
+
When |language= contains a recognized language (either code or name), the page is assigned to the category for
−
ISO639-1 code 'no' is mapped to language name 'Norwegian Bokmål' by Extention:CLDR.
+
that code: Category:Norwegian-language sources (no).  For valid three-character code languages, the page is assigned
 +
to the single category for '639-2' codes: Category:CS1 ISO 639-2 language sources.
  
−
Returns the language name and associated ISO639-1 code.  Because case of the source may be incorrect or different from the case that Wikimedia
+
Languages that are the same as the local wiki are not categorized.  MediaWiki does not recognize three-character
−
uses, the name comparisons are done in lower case and when a match is found, the Wikimedia version (assumed to be correct) is returned along
+
equivalents of two-character codes: code 'ar' is recognized bit code 'ara' is not.
−
with the code.  When there is no match, we return the original language name string.
 
  
−
mw.language.fetchLanguageNames() will return a list of languages that aren't part of ISO639-1. Names that aren't ISO639-1 but that are included
+
This function supports multiple languages in the form |language=nb, French, th where the language names or codes are
−
in the list will be found if that name is provided in the |language= parameter.  For example, if |language=Samaritan Aramaic, that name will be
+
separated from each other by commas.
−
found with the associated code 'sam', not an ISO639-1 code.  When names are found and the associated code is not two characters, this function
 
−
returns only the Wikimedia language name.
 
−
 
 
−
Adapted from code taken from Module:Check ISO 639-1.
 
  
 
]]
 
]]
  
−
local function get_iso639_code (lang)
+
local function language_parameter (lang)
−
if 'norwegian' == lang:lower() then -- special case related to Wikimedia remap of code 'no' at Extension:CLDR
+
local code; -- the two- or three-character language code
−
return 'Norwegian', 'no'; -- Make sure rendered version is properly capitalized
+
local name; -- the language name
−
end
+
local language_list = {}; -- table of language names to be rendered
−
+
local names_table = {}; -- table made from the value assigned to |language=
−
local languages = mw.language.fetchLanguageNames('en', 'all') -- get a list of language names known to Wikimedia
 
−
-- ('all' is required for North Ndebele, South Ndebele, and Ojibwa)
 
−
local langlc = mw.ustring.lower(lang); -- lower case version for comparisons
 
−
 
−
for code, name in pairs(languages) do -- scan the list to see if we can find our language
 
−
if langlc == mw.ustring.lower(name) then
 
−
if 2 ~= code:len() then -- ISO639-1 codes only
 
−
return name; -- so return the name but not the code
 
−
end
 
−
return name, code; -- found it, return name to ensure proper capitalization and the ISO639-1 code
 
−
end
 
−
end
 
−
return lang; -- not valid language; return language in original case and nil for ISO639-1 code
 
−
end
 
  
−
--[[--------------------------< L A N G U A G E _ P A R A M E T E R >------------------------------------------
+
local this_wiki = mw.getContentLanguage(); -- get a language object for this wiki
 +
local this_wiki_code = this_wiki:getCode() -- get this wiki's language code
 +
local this_wiki_name = mw.language.fetchLanguageName(this_wiki_code, this_wiki_code); -- get this wiki's language name
  
−
Get language name from ISO639-1 code value provided.  If a code is valid use the returned name; if not, then use the value that was provided with the language parameter.
+
names_table = mw.text.split (lang, '%s*,%s*'); -- names should be a comma separated list
  
−
There is an exception.  There are three ISO639-1 codes for Norewegian language variants.  There are two official variants: Norwegian Bokmål (code 'nb') and
+
for _, lang in ipairs (names_table) do -- reuse lang
−
Norwegian Nynorsk (code 'nn').  The third, code 'no',  is defined by ISO639-1 as 'Norwegian' though in Norway this is pretty much meaningless.  However, it appears
+
name = cfg.lang_code_remap[lang:lower()]; -- first see if this is a code that is not supported by MediaWiki but is in remap
−
that on enwiki, editors are for the most part unaware of the nb and nn variants (compare page counts for these variants at Category:Articles with non-English-language external links.
 
  
−
Because Norwegian Bokmål is the most common language variant, Media wiki has been modified to return Norwegian Bokmål for ISO639-1 code 'no'. Here we undo that and
+
if name then -- there was a remapped code so
−
return 'Norwegian' when editors use |language=no.  We presume that editors don't know about the variants or can't descriminate between them.
+
lang = lang:gsub ('^(%a%a%a?)%-.*', '%1'); -- strip ietf tags from code
 +
else
 +
if lang:match ('^%a%a%-') then -- strip ietf tags from code; TODO: is there a need to support 3-char with tag?
 +
lang = lang:match ('(%a%a)%-') -- keep only 639-1 code portion to lang; TODO: do something with 3166 alpha 2 country code?
 +
end
 +
if 2 == lang:len() or 3 == lang:len() then -- if two-or three-character code
 +
name = mw.language.fetchLanguageName (lang:lower(), this_wiki_code); -- get language name if |language= is a proper code
 +
end
 +
end
  
−
See Help talk:Citation Style_1#An ISO 639-1 language name test
+
if is_set (name) then -- if |language= specified a valid code
 +
code = lang:lower(); -- save it
 +
else
 +
name, code = get_iso639_code (lang, this_wiki_code); -- attempt to get code from name (assign name here so that we are sure of proper capitalization)
 +
end
 +
 +
if is_set (code) then -- only 2- or 3-character codes
 +
name = cfg.lang_code_remap[code] or name; -- override wikimedia when they misuse language codes/names
  
−
When |language= contains a valid ISO639-1 code, the page is assigned to the category for that code: Category:Norwegian-language sources (no) if
+
if this_wiki_code ~= code then -- when the language is not the same as this wiki's language
−
the page is a mainspace page and the ISO639-1 code is not 'en'.  Similarly, if the  parameter is |language=Norwegian, it will be categorized in the same way.
+
if 2 == code:len() then -- and is a two-character code
−
 
+
add_prop_cat ('foreign_lang_source' .. code, {name, code}) -- categorize it
−
This function supports multiple languages in the form |language=nb, French, th where the language names or codes are separated from each other by commas.
+
else -- or is a recognized language (but has a three-character code)
−
 
+
add_prop_cat ('foreign_lang_source_2' .. code, {code}) -- categorize it differently TODO: support mutliple three-character code categories per cs1|2 template
−
]]
+
end
−
 
+
end
−
local function language_parameter (lang, namespace)
+
else
−
local code; -- the ISO639-1 two character code
+
add_maint_cat ('unknown_lang'); -- add maint category if not already added
−
local name; -- the language name
 
−
local language_list = {}; -- table of language names to be rendered
 
−
local names_table = {}; -- table made from the value assigned to |language=
 
−
local unrec_cat = false -- flag so that we only add unrecognized category once
 
−
 
−
names_table = mw.text.split (lang, '%s*,%s*'); -- names should be a comma separated list
 
−
 
−
for _, lang in ipairs (names_table) do -- reuse lang
 
−
if 0 == namespace and (('en' == lang:lower()) or ('english' == lang:lower())) then
 
−
add_maint_cat ('english');
 
−
end
 
−
 
−
if 2 == lang:len() then -- ISO639-1 language code are 2 characters (fetchLanguageName also supports 3 character codes)
 
−
name = mw.language.fetchLanguageName( lang:lower(), "en" ); -- get ISO 639-1 language name if Language is a proper code
 
−
end
 
−
 
−
if is_set (name) then -- if Language specified a valid ISO639-1 code
 
−
code = lang:lower(); -- save it
 
−
else
 
−
name, code = get_iso639_code (lang); -- attempt to get code from name (assign name here so that we are sure of proper capitalization)
 
−
end
 
−
 
−
if is_set (code) then
 
−
if 'no' == code then name = 'Norwegian' end; -- override wikimedia when code is 'no'
 
−
if 0 == namespace and 'en' ~= code then -- is this page main / article space and English not the language?
 
−
add_prop_cat ('foreign_lang_source', {name, code})
 
−
end
 
−
elseif false == unrec_cat then
 
−
unrec_cat = true; -- only add this category once
 
−
add_maint_cat (unknown_lang);
 
 
end
 
end
 
 
Line 1,747: Line 1,537:
 
code = #language_list -- reuse code as number of languages in the list
 
code = #language_list -- reuse code as number of languages in the list
 
if 2 >= code then
 
if 2 >= code then
−
name = table.concat (language_list, ' and ') -- insert '<space>and<space>' between two language names
+
name = table.concat (language_list, cfg.messages['parameter-pair-separator']) -- insert '<space>and<space>' between two language names
 
elseif 2 < code then
 
elseif 2 < code then
−
language_list[code] = 'and ' .. language_list[code]; -- prepend last name with 'and<space>'
+
name = table.concat (language_list, ', '); -- and concatenate with '<comma><space>' separators
−
name = table.concat (language_list, ', ') -- and concatenate with '<comma><space>' separators
+
name = name:gsub (', ([^,]+)$', cfg.messages['parameter-final-separator'] .. '%1'); -- replace last '<comma><space>' separator with '<comma><space>and<space>' separator
 +
end
 +
if this_wiki_name == name then
 +
return ''; -- if one language and that language is this wiki's return an empty string (no annotation)
 
end
 
end
−
return (" " .. wrap_msg ('language', name)); -- wrap with '(in ...)'
+
return (" " .. wrap_msg ('language', name)); -- otherwise wrap with '(in ...)'
 +
--[[ TODO: should only return blank or name rather than full list
 +
so we can clean up the bunched parenthetical elements Language, Type, Format
 +
]]
 
end
 
end
 +
  
 
--[[--------------------------< S E T _ C S 1 _ S T Y L E >----------------------------------------------------
 
--[[--------------------------< S E T _ C S 1 _ S T Y L E >----------------------------------------------------
  
 
Set style settings for CS1 citation templates. Returns separator and postscript settings
 
Set style settings for CS1 citation templates. Returns separator and postscript settings
 +
At en.wiki, for cs1:
 +
ps gets: '.'
 +
sep gets: '.'
  
 
]]
 
]]
Line 1,763: Line 1,563:
 
local function set_cs1_style (ps)
 
local function set_cs1_style (ps)
 
if not is_set (ps) then -- unless explicitely set to something
 
if not is_set (ps) then -- unless explicitely set to something
−
ps = '.'; -- terminate the rendered citation with a period
+
ps = cfg.presentation['ps_cs1']; -- terminate the rendered citation
 
end
 
end
−
return '.', ps; -- separator is a full stop
+
return cfg.presentation['sep_cs1'], ps; -- element separator
 
end
 
end
 +
  
 
--[[--------------------------< S E T _ C S 2 _ S T Y L E >----------------------------------------------------
 
--[[--------------------------< S E T _ C S 2 _ S T Y L E >----------------------------------------------------
  
 
Set style settings for CS2 citation templates. Returns separator, postscript, ref settings
 
Set style settings for CS2 citation templates. Returns separator, postscript, ref settings
 +
At en.wiki, for cs2:
 +
ps gets: '' (empty string - no terminal punctuation)
 +
sep gets: ','
  
 
]]
 
]]
Line 1,776: Line 1,580:
 
local function set_cs2_style (ps, ref)
 
local function set_cs2_style (ps, ref)
 
if not is_set (ps) then -- if |postscript= has not been set, set cs2 default
 
if not is_set (ps) then -- if |postscript= has not been set, set cs2 default
−
ps = ''; -- make sure it isn't nil
+
ps = cfg.presentation['ps_cs2']; -- terminate the rendered citation
 
end
 
end
 
if not is_set (ref) then -- if |ref= is not set
 
if not is_set (ref) then -- if |ref= is not set
 
ref = "harv"; -- set default |ref=harv
 
ref = "harv"; -- set default |ref=harv
 
end
 
end
−
return ',', ps, ref; -- separator is a comma
+
return cfg.presentation['sep_cs2'], ps, ref; -- element separator
 
end
 
end
 +
  
 
--[[--------------------------< G E T _ S E T T I N G S _ F R O M _ C I T E _ C L A S S >----------------------
 
--[[--------------------------< G E T _ S E T T I N G S _ F R O M _ C I T E _ C L A S S >----------------------
Line 1,801: Line 1,606:
 
return sep, ps, ref -- return them all
 
return sep, ps, ref -- return them all
 
end
 
end
 +
  
 
--[[--------------------------< S E T _ S T Y L E >------------------------------------------------------------
 
--[[--------------------------< S E T _ S T Y L E >------------------------------------------------------------
Line 1,816: Line 1,622:
 
sep, ps = set_cs1_style (ps);
 
sep, ps = set_cs1_style (ps);
 
else -- anything but cs1 or cs2
 
else -- anything but cs1 or cs2
−
if is_set (mode) then
 
−
table.insert( z.message_tail, { set_error( 'invalid_param_val', {'mode', mode}, true ) } ); -- add error message
 
−
end
 
 
sep, ps, ref = get_settings_from_cite_class (ps, ref, cite_class); -- get settings based on the template's CitationClass
 
sep, ps, ref = get_settings_from_cite_class (ps, ref, cite_class); -- get settings based on the template's CitationClass
 
end
 
end
Line 1,827: Line 1,630:
 
return sep, ps, ref
 
return sep, ps, ref
 
end
 
end
 +
  
 
--[=[-------------------------< I S _ P D F >------------------------------------------------------------------
 
--[=[-------------------------< I S _ P D F >------------------------------------------------------------------
  
−
Determines if a url has the file extension is one of the pdf file extensions used by [[MediaWiki:Common.css]] when
+
Determines if a url has the file extension that is one of the pdf file extensions used by [[MediaWiki:Common.css]] when
 
applying the pdf icon to external links.
 
applying the pdf icon to external links.
  
−
returns true if file extension is one of the recognized extension, else false
+
returns true if file extension is one of the recognized extensions, else false
  
 
]=]
 
]=]
  
 
local function is_pdf (url)
 
local function is_pdf (url)
−
return url:match ('%.pdf[%?#]?') or url:match ('%.PDF[%?#]?');
+
return url:match ('%.pdf$') or url:match ('%.PDF$') or
 +
url:match ('%.pdf[%?#]') or url:match ('%.PDF[%?#]') or
 +
url:match ('%.PDF&#035') or url:match ('%.pdf&#035');
 
end
 
end
 +
  
 
--[[--------------------------< S T Y L E _ F O R M A T >------------------------------------------------------
 
--[[--------------------------< S T Y L E _ F O R M A T >------------------------------------------------------
Line 1,852: Line 1,659:
 
local function style_format (format, url, fmt_param, url_param)
 
local function style_format (format, url, fmt_param, url_param)
 
if is_set (format) then
 
if is_set (format) then
−
format = wrap_style ('format', format:upper()); -- force upper case, add leading space, parenthases, resize
+
format = wrap_style ('format', format); -- add leading space, parentheses, resize
 
if not is_set (url) then
 
if not is_set (url) then
 
format = format .. set_error( 'format_missing_url', {fmt_param, url_param} ); -- add an error message
 
format = format .. set_error( 'format_missing_url', {fmt_param, url_param} ); -- add an error message
Line 1,864: Line 1,671:
 
end
 
end
  
−
--[[--------------------------< G E T _ D I S P L A Y _ A U T H O R S _ E D I T O R S >------------------------
 
  
−
Returns a number that may or may not limit the length of the author or editor name lists.
+
--[[--------------------------< G E T _ D I S P L A Y _ N A M E S >--------------------------------------------
  
−
When the value assigned to |display-authors= is a number greater than or equal to zero, return the number and
+
Returns a number that defines the number of names displayed for author and editor name lists and a boolean flag
 +
to indicate when et al. should be appended to the name list.
 +
 
 +
When the value assigned to |display-xxxxors= is a number greater than or equal to zero, return the number and
 
the previous state of the 'etal' flag (false by default but may have been set to true if the name list contains
 
the previous state of the 'etal' flag (false by default but may have been set to true if the name list contains
 
some variant of the text 'et al.').
 
some variant of the text 'et al.').
  
−
When the value assigned to |display-authors= is the keyword 'etal', return a number that is one greater than the
+
When the value assigned to |display-xxxxors= is the keyword 'etal', return a number that is one greater than the
 
number of authors in the list and set the 'etal' flag true.  This will cause the list_people() to display all of
 
number of authors in the list and set the 'etal' flag true.  This will cause the list_people() to display all of
 
the names in the name list followed by 'et al.'
 
the names in the name list followed by 'et al.'
  
 
In all other cases, returns nil and the previous state of the 'etal' flag.
 
In all other cases, returns nil and the previous state of the 'etal' flag.
 +
 +
inputs:
 +
max: A['DisplayAuthors'] or A['DisplayEditors']; a number or some flavor of etal
 +
count: #a or #e
 +
list_name: 'authors' or 'editors'
 +
etal: author_etal or editor_etal
  
 
]]
 
]]
  
−
local function get_display_authors_editors (max, count, list_name, etal)
+
local function get_display_names (max, count, list_name, etal)
 
if is_set (max) then
 
if is_set (max) then
 
if 'etal' == max:lower():gsub("[ '%.]", '') then -- the :gsub() portion makes 'etal' from a variety of 'et al.' spellings and stylings
 
if 'etal' == max:lower():gsub("[ '%.]", '') then -- the :gsub() portion makes 'etal' from a variety of 'et al.' spellings and stylings
Line 1,887: Line 1,702:
 
elseif max:match ('^%d+$') then -- if is a string of numbers
 
elseif max:match ('^%d+$') then -- if is a string of numbers
 
max = tonumber (max); -- make it a number
 
max = tonumber (max); -- make it a number
−
if max >= count and 'authors' == list_name then -- AUTHORS ONLY -- if |display-xxxxors= value greater than or equal to number of authors/editors
+
if max >= count then -- if |display-xxxxors= value greater than or equal to number of authors/editors
−
add_maint_cat ('disp_auth_ed', list_name);
+
add_maint_cat ('disp_name', cfg.special_case_translation [list_name]);
 
end
 
end
 
else -- not a valid keyword or number
 
else -- not a valid keyword or number
 
table.insert( z.message_tail, { set_error( 'invalid_param_val', {'display-' .. list_name, max}, true ) } ); -- add error message
 
table.insert( z.message_tail, { set_error( 'invalid_param_val', {'display-' .. list_name, max}, true ) } ); -- add error message
−
max = nil; -- unset
+
max = nil; -- unset; as if |display-xxxxors= had not been set
 
end
 
end
−
elseif 'authors' == list_name then -- AUTHORS ONLY need to clear implicit et al category
 
−
max = count + 1; -- number of authors + 1
 
 
end
 
end
 
 
Line 1,901: Line 1,714:
 
end
 
end
  
−
--[[--------------------------< C I T A T I O N 0 >------------------------------------------------------------
 
  
−
This is the main function doing the majority of the citation
+
--[[--------------------------< E X T R A _ T E X T _ I N _ P A G E _ C H E C K >------------------------------
−
formatting.
 
  
−
]]
+
Adds page to Category:CS1 maint: extra text if |page= or |pages= has what appears to be some form of p. or pp.
 +
abbreviation in the first characters of the parameter content.
  
−
local function citation0( config, args)
+
check Page and Pages for extraneous p, p., pp, and pp. at start of parameter value:
−
--[[
+
good pattern: '^P[^%.P%l]' matches when |page(s)= begins PX or P# but not Px where x and X are letters and # is a dgiit
−
Load Input Parameters
+
bad pattern: '^[Pp][Pp]' matches matches when |page(s)= begins pp or pP or Pp or PP
−
The argument_wrapper facilitates the mapping of multiple
 
−
aliases to single internal variable.
 
−
]]
 
−
local A = argument_wrapper( args );
 
  
−
local i
+
]]
−
local PPrefix = A['PPrefix']
 
−
local PPPrefix = A['PPPrefix']
 
−
if is_set( A['NoPP'] ) then PPPrefix = "" PPrefix = "" end
 
−
 
−
-- Pick out the relevant fields from the arguments.  Different citation templates
 
−
-- define different field names for the same underlying things.
 
−
local Authors = A['Authors'];
 
−
local author_etal;
 
−
local a, author_etal = extract_names( args, 'AuthorList' );
 
  
−
local Coauthors = A['Coauthors'];
+
local function extra_text_in_page_check (page)
−
local Others = A['Others'];
+
local good_pattern = '^P[^%.Pp]'; -- ok to begin with uppercase P: P7 (pg 7 of section P) but not p123 (page 123) TODO: add Gg for PG or Pg?
−
local Editors = A['Editors'];
+
local bad_pattern = '^[Pp]?[Pp]%.?[ %d]';
−
local editor_etal;
 
−
local e, editor_etal = extract_names( args, 'EditorList' );
 
  
−
local NameListFormat = A['NameListFormat']; -- replaces |author-format= and |editor-format=
+
if not page:match (good_pattern) and (page:match (bad_pattern) or  page:match ('^[Pp]ages?')) then
−
if is_set (NameListFormat) and ('vanc' ~= NameListFormat) then -- only accepted value for this parameter is 'vanc'
+
add_maint_cat ('extra_text');
−
table.insert( z.message_tail, { set_error( 'invalid_param_val', {'name-list-format', NameListFormat}, true ) } ); -- not vanc so add error message
 
−
NameListFormat = ''; -- set to empty string
 
 
end
 
end
 +
end
 +
 +
 +
--[=[-------------------------< G E T _ V _ N A M E _ T A B L E >----------------------------------------------
 +
 +
split apart a |vauthors= or |veditors= parameter.  This function allows for corporate names, wrapped in doubled
 +
parentheses to also have commas; in the old version of the code, the doubled parnetheses were included in the
 +
rendered citation and in the metadata.  Individual author names may be wikilinked
 +
 +
|vauthors=Jones AB, [[E. B. White|White EB]], ((Black, Brown, and Co.))
 +
 +
]=]
 +
 +
local function get_v_name_table (vparam, output_table, output_link_table)
 +
local name_table = mw.text.split(vparam, "%s*,%s*"); -- names are separated by commas
 +
local wl_type, label, link; -- wl_type not used here; just a place holder
 +
 +
local i = 1;
 +
 +
while name_table[i] do
 +
if name_table[i]:match ('^%(%(.*[^%)][^%)]$') then -- first segment of corporate with one or more commas; this segment has the opening doubled parens
 +
local name = name_table[i];
 +
i=i+1; -- bump indexer to next segment
 +
while name_table[i] do
 +
name = name .. ', ' .. name_table[i]; -- concatenate with previous segments
 +
if name_table[i]:match ('^.*%)%)$') then -- if this table member has the closing doubled parens
 +
break; -- and done reassembling so
 +
end
 +
i=i+1; -- bump indexer
 +
end
 +
table.insert (output_table, name); -- and add corporate name to the output table
 +
table.insert (output_link_table, ''); -- no wikilink
 +
else
 +
wl_type, label, link = is_wikilink (name_table[i]); -- wl_type is: 0, no wl (text in label variable); 1, [[D]]; 2, [[L|D]]
 +
table.insert (output_table, label); -- add this name
 +
if 1 == wl_type then
 +
table.insert (output_link_table, label); -- simple wikilink [[D]]
 +
else
 +
table.insert (output_link_table, link); -- no wikilink or [[L|D]]; add this link if there is one, else empty string
 +
end
 +
end
 +
i = i+1;
 +
end
 +
return output_table;
 +
end
  
−
local Year = A['Year'];
 
−
local PublicationDate = A['PublicationDate'];
 
−
local OrigYear = A['OrigYear'];
 
−
local Date = A['Date'];
 
−
local LayDate = A['LayDate'];
 
−
------------------------------------------------- Get title data
 
−
local Title = A['Title'];
 
−
local ScriptTitle = A['ScriptTitle'];
 
−
local BookTitle = A['BookTitle'];
 
−
local Conference = A['Conference'];
 
−
local TransTitle = A['TransTitle'];
 
−
local TitleNote = A['TitleNote'];
 
−
local TitleLink = A['TitleLink'];
 
−
local Chapter = A['Chapter'];
 
−
local ChapterLink = A['ChapterLink']; -- deprecated
 
−
local TransChapter = A['TransChapter'];
 
−
local TitleType = A['TitleType'];
 
−
local Degree = A['Degree'];
 
−
local Docket = A['Docket'];
 
−
local ArchiveFormat = A['ArchiveFormat'];
 
−
local ArchiveURL = A['ArchiveURL'];
 
−
local URL = A['URL']
 
−
local URLorigin = A:ORIGIN('URL'); -- get name of parameter that holds URL
 
−
local ChapterURL = A['ChapterURL'];
 
−
local ChapterURLorigin = A:ORIGIN('ChapterURL'); -- get name of parameter that holds ChapterURL
 
−
local ConferenceFormat = A['ConferenceFormat'];
 
−
local ConferenceURL = A['ConferenceURL'];
 
−
local ConferenceURLorigin = A:ORIGIN('ConferenceURL'); -- get name of parameter that holds ConferenceURL
 
−
local Periodical = A['Periodical'];
 
  
−
local Series = A['Series'];
+
--[[--------------------------< P A R S E _ V A U T H O R S _ V E D I T O R S >--------------------------------
−
local Volume = A['Volume'];
 
−
local Issue = A['Issue'];
 
−
local Position = '';
 
−
local Page = A['Page'];
 
−
local Pages = hyphen_to_dash( A['Pages'] );
 
−
local At = A['At'];
 
  
−
local Edition = A['Edition'];
+
This function extracts author / editor names from |vauthors= or |veditors= and finds matching |xxxxor-maskn= and
−
local PublicationPlace = A['PublicationPlace']
+
|xxxxor-linkn= in args.  It then returns a table of assembled names just as extract_names() does.
−
local Place = A['Place'];
 
−
 
−
local PublisherName = A['PublisherName'];
 
−
local RegistrationRequired = A['RegistrationRequired'];
 
−
local SubscriptionRequired = A['SubscriptionRequired'];
 
−
local Via = A['Via'];
 
−
local AccessDate = A['AccessDate'];
 
−
local ArchiveDate = A['ArchiveDate'];
 
−
local Agency = A['Agency'];
 
−
local DeadURL = A['DeadURL']
 
−
local Language = A['Language'];
 
−
local Format = A['Format'];
 
−
local ChapterFormat = A['ChapterFormat'];
 
−
local DoiBroken = A['DoiBroken'];
 
−
local ID = A['ID'];
 
−
local ASINTLD = A['ASINTLD'];
 
−
local IgnoreISBN = A['IgnoreISBN'];
 
−
local Embargo = A['Embargo'];
 
−
local Class = A['Class']; -- arxiv class identifier
 
  
−
local ID_list = extract_ids( args );
+
Author / editor names in |vauthors= or |veditors= must be in Vancouver system style. Corporate or institutional names
 +
may sometimes be required and because such names will often fail the is_good_vanc_name() and other format compliance
 +
tests, are wrapped in doubled paranethese ((corporate name)) to suppress the format tests.
  
−
local Quote = A['Quote'];
+
Supports generational suffixes Jr, 2nd, 3rd, 4th–6th.
  
−
local LayFormat = A['LayFormat'];
+
This function sets the vancouver error when a reqired comma is missing and when there is a space between an author's initials.
−
local LayURL = A['LayURL'];
 
−
local LaySource = A['LaySource'];
 
−
local Transcript = A['Transcript'];
 
−
local TranscriptFormat = A['TranscriptFormat'];
 
−
local TranscriptURL = A['TranscriptURL']
 
−
local TranscriptURLorigin = A:ORIGIN('TranscriptURL'); -- get name of parameter that holds TranscriptURL
 
  
−
local LastAuthorAmp = A['LastAuthorAmp'];
+
]]
−
local no_tracking_cats = A['NoTracking'];
 
  
−
--these are used by cite interview
+
local function parse_vauthors_veditors (args, vparam, list_name)
−
local Callsign = A['Callsign'];
+
local names = {}; -- table of names assembled from |vauthors=, |author-maskn=, |author-linkn=
−
local City = A['City'];
+
local v_name_table = {};
−
local Program = A['Program'];
+
local v_link_table = {}; -- when name is wikilinked, targets go in this table
 +
local etal = false; -- return value set to true when we find some form of et al. vauthors parameter
 +
local last, first, link, mask, suffix;
 +
local corporate = false;
  
−
--local variables that are not cs1 parameters
+
vparam, etal = name_has_etal (vparam, etal, true); -- find and remove variations on et al. do not categorize (do it here because et al. might have a period)
−
local use_lowercase; -- controls capitalization of certain static text
+
v_name_table = get_v_name_table (vparam, v_name_table, v_link_table); -- names are separated by commas
−
local this_page = mw.title.getCurrentTitle(); -- also used for COinS and for language
 
−
local anchor_year; -- used in the CITEREF identifier
 
−
local COinS_date; -- used in the COinS metadata
 
  
−
-- set default parameter values defined by |mode= parameter.  If |mode= is empty or omitted, use CitationClass to set these values
+
for i, v_name in ipairs(v_name_table) do
−
local sepc; -- separator between citation elements for CS1 a period, for CS2, a comma
+
if v_name:match ('^%(%(.+%)%)$') then -- corporate authors are wrapped in doubled parentheses to supress vanc formatting and error detection
−
local PostScript;
+
first = ''; -- set to empty string for concatenation and because it may have been set for previous author/editor
−
local Ref;
+
last = v_name:match ('^%(%((.+)%)%)$') -- remove doubled parntheses
−
sepc, PostScript, Ref = set_style (A['Mode']:lower(), A['PostScript'], A['Ref'], config.CitationClass);
+
corporate = true; -- flag used in list_people()
−
use_lowercase = ( sepc == ',' ); -- used to control capitalization for certain static text
+
elseif string.find(v_name, "%s") then
−
 
+
if v_name:find('[;%.]') then -- look for commonly occurring punctuation characters;
−
--check this page to see if it is in one of the namespaces that cs1 is not supposed to add to the error categories
+
add_vanc_error ('punctuation');
−
if not is_set (no_tracking_cats) then -- ignore if we are already not going to categorize this page
+
end
−
if in_array (this_page.nsText, cfg.uncategorized_namespaces) then
+
local lastfirstTable = {}
−
no_tracking_cats = "true"; -- set no_tracking_cats
+
lastfirstTable = mw.text.split(v_name, "%s")
 +
first = table.remove(lastfirstTable); -- removes and returns value of last element in table which should be author intials
 +
if is_suffix (first) then -- if a valid suffix
 +
suffix = first -- save it as a suffix and
 +
first = table.remove(lastfirstTable); -- get what should be the initials from the table
 +
end -- no suffix error message here because letter combination may be result of Romanization; check for digits?
 +
last = table.concat(lastfirstTable, " ") -- returns a string that is the concatenation of all other names that are not initials
 +
if mw.ustring.match (last, '%a+%s+%u+%s+%a+') then
 +
add_vanc_error ('missing comma'); -- matches last II last; the case when a comma is missing
 +
end
 +
if mw.ustring.match (v_name, ' %u %u$') then -- this test is in the wrong place TODO: move or replace with a more appropriate test
 +
add_vanc_error ('name'); -- matches a space between two intiials
 +
end
 +
else
 +
first = ''; -- set to empty string for concatenation and because it may have been set for previous author/editor
 +
last = v_name; -- last name or single corporate name?  Doesn't support multiword corporate names? do we need this?
 
end
 
end
−
for _,v in ipairs (cfg.uncategorized_subpages) do -- cycle through page name patterns
+
−
if this_page.text:match (v) then -- test page name against each pattern
+
if is_set (first) then
−
no_tracking_cats = "true"; -- set no_tracking_cats
+
if not mw.ustring.match (first, "^%u?%u$") then -- first shall contain one or two upper-case letters, nothing else
−
break; -- bail out if one is found
+
add_vanc_error ('initials'); -- too many initials; mixed case initials (which may be ok Romanization); hyphenated initials
 +
end
 +
is_good_vanc_name (last, first); -- check first and last before restoring the suffix which may have a non-Latin digit
 +
if is_set (suffix) then
 +
first = first .. ' ' .. suffix; -- if there was a suffix concatenate with the initials
 +
suffix = ''; -- unset so we don't add this suffix to all subsequent names
 +
end
 +
else
 +
if not corporate then
 +
is_good_vanc_name (last, '');
 
end
 
end
 
end
 
end
 +
 +
link = select_one( args, cfg.aliases[list_name .. '-Link'], 'redundant_parameters', i ) or v_link_table[i];
 +
mask = select_one( args, cfg.aliases[list_name .. '-Mask'], 'redundant_parameters', i );
 +
names[i] = {last = last, first = first, link = link, mask = mask, corporate=corporate}; -- add this assembled name to our names list
 
end
 
end
 +
return names, etal; -- all done, return our list of names
 +
end
  
−
-- check for extra |page=, |pages= or |at= parameters.
 
−
if is_set(Page) then
 
−
if is_set(Pages) or is_set(At) then
 
−
Page = Page .. " " .. set_error('extra_pages'); -- add error message
 
−
Pages = ''; -- unset the others
 
−
At = '';
 
−
end
 
−
elseif is_set(Pages) then
 
−
if is_set(At) then
 
−
Pages = Pages .. " " .. set_error('extra_pages'); -- add error messages
 
−
At = ''; -- unset
 
−
end
 
−
end
 
  
−
-- both |publication-place= and |place= (|location=) allowed if different
+
--[[--------------------------< S E L E C T _ A U T H O R _ E D I T O R _ S O U R C E >------------------------
−
if not is_set(PublicationPlace) and is_set(Place) then
 
−
PublicationPlace = Place; -- promote |place= (|location=) to |publication-place
 
−
end
 
−
 
−
if PublicationPlace == Place then Place = ''; end -- don't need both if they are the same
 
−
 
−
--[[
 
−
Parameter remapping for cite encyclopedia:
 
−
When the citation has these parameters:
 
−
|encyclopedia and |title then map |title to |article and |encyclopedia to |title
 
−
|encyclopedia and |article then map |encyclopedia to |title
 
−
|encyclopedia then map |encyclopedia to |title
 
  
−
|trans_title maps to |trans_chapter when |title is re-mapped
+
Select one of |authors=, |authorn= / |lastn / firstn=, or |vauthors= as the source of the author name list or
−
|url maps to |chapterurl when |title is remapped
+
select one of |editors=, |editorn= / editor-lastn= / |editor-firstn= or |veditors= as the source of the editor name list.
  
−
All other combinations of |encyclopedia, |title, and |article are not modified
+
Only one of these appropriate three will be used.  The hierarchy is: |authorn= (and aliases) highest and |authors= lowest and
−
TODO: script-title to script-chapter if and when we support script-chapter
+
similarly, |editorn= (and aliases) highest and |editors= lowest
−
]]
 
  
−
local Encyclopedia = A['Encyclopedia'];
+
When looking for |authorn= / |editorn= parameters, test |xxxxor1= and |xxxxor2= (and all of their aliases); stops after the second
 +
test which mimicks the test used in extract_names() when looking for a hole in the author name list.  There may be a better
 +
way to do this, I just haven't discovered what that way is.
  
−
if ( config.CitationClass == "encyclopaedia" ) or ( config.CitationClass == "citation" and is_set (Encyclopedia)) then -- test code for citation
+
Emits an error message when more than one xxxxor name source is provided.
−
if is_set(Periodical) then -- Periodical is set when |encyclopedia is set
+
 
−
if is_set(Title) then
+
In this function, vxxxxors = vauthors or veditors; xxxxors = authors or editors as appropriate.
−
if not is_set(Chapter) then
+
 
−
Chapter = Title; -- |encyclopedia and |title are set so map |title to |article and |encyclopedia to |title
+
]]
−
TransChapter = TransTitle;
 
−
ChapterURL = URL;
 
−
Title = Periodical;
 
−
ChapterFormat = Format;
 
−
Periodical = ''; -- redundant so unset
 
−
TransTitle = ''; -- redundant so unset
 
−
URL = ''; -- redundant so unset
 
−
Format = ''; -- redundant so unset
 
−
end
 
−
else -- |title not set
 
−
Title = Periodical; -- |encyclopedia set and |article set or not set so map |encyclopedia to |title
 
−
Periodical = ''; -- redundant so unset
 
−
end
 
−
end
 
−
end
 
  
−
-- Special case for cite techreport.
+
local function select_author_editor_source (vxxxxors, xxxxors, args, list_name)
−
if (config.CitationClass == "techreport") then -- special case for cite techreport
+
local lastfirst = false;
−
if is_set(Issue) then -- cite techreport uses 'number', which other citations aliase to 'issue'
+
if select_one( args, cfg.aliases[list_name .. '-Last'], 'none', 1 ) or -- do this twice incase we have a |first1= without a |last1=; this ...
−
if not is_set(ID) then -- can we use ID for the "number"?
+
select_one( args, cfg.aliases[list_name .. '-First'], 'none', 1 ) or -- ... also catches the case where |first= is used with |vauthors=
−
ID = Issue; -- yes, use it
+
select_one( args, cfg.aliases[list_name .. '-Last'], 'none', 2 ) or
−
Issue = ""; -- unset Issue so that "number" isn't duplicated in the rendered citation or COinS metadata
+
select_one( args, cfg.aliases[list_name .. '-First'], 'none', 2 ) then
−
else -- can't use ID so emit error message
+
lastfirst=true;
−
ID = ID .. " " .. set_error('redundant_parameters', '<code>&#124;id=</code> and <code>&#124;number=</code>');
 
−
end
 
−
end
 
 
end
 
end
  
−
-- special case for cite interview
+
if (is_set (vxxxxors) and true == lastfirst) or -- these are the three error conditions
−
if (config.CitationClass == "interview") then
+
(is_set (vxxxxors) and is_set (xxxxors)) or
−
if is_set(Program) then
+
(true == lastfirst and is_set (xxxxors)) then
−
ID = ' ' .. Program;
+
local err_name;
−
end
+
if 'AuthorList' == list_name then -- figure out which name should be used in error message
−
if is_set(Callsign) then
+
err_name = 'author';
−
if is_set(ID) then
 
−
ID = ID .. sepc .. ' ' .. Callsign;
 
 
else
 
else
−
ID = ' ' .. Callsign;
+
err_name = 'editor';
 
end
 
end
−
end
+
table.insert( z.message_tail, { set_error( 'redundant_parameters',
−
if is_set(City) then
+
{err_name .. '-name-list parameters'}, true ) } ); -- add error message
−
if is_set(ID) then
+
end
−
ID = ID .. sepc .. ' ' .. City;
 
−
else
 
−
ID = ' ' .. City;
 
−
end
 
−
end
 
  
−
if is_set(Others) then
+
if true == lastfirst then return 1 end; -- return a number indicating which author name source to use
−
if is_set(TitleType) then
+
if is_set (vxxxxors) then return 2 end;
−
Others = ' ' .. TitleType .. ' with ' .. Others;
+
if is_set (xxxxors) then return 3 end;
−
TitleType = '';
+
return 1; -- no authors so return 1; this allows missing author name test to run in case there is a first without last
−
else
+
end
−
Others = ' ' .. 'Interview with ' .. Others;
 
−
end
 
−
else
 
−
Others = '(Interview)';
 
−
end
 
−
end
 
  
−
-- special case for cite mailing list
 
−
if (config.CitationClass == "mailinglist") then
 
−
Periodical = A ['MailingList'];
 
−
end
 
  
−
-- Account for the oddity that is {{cite conference}}, before generation of COinS data.
+
--[[--------------------------< I S _ V A L I D _ P A R A M E T E R _ V A L U E >------------------------------
−
if 'conference' == config.CitationClass then
+
 
−
if is_set(BookTitle) then
+
This function is used to validate a parameter's assigned value for those parameters that have only a limited number
−
Chapter = Title;
+
of allowable values (yes, y, true, no, etc).  When the parameter value has not been assigned a value (missing or empty
−
-- ChapterLink = TitleLink; -- |chapterlink= is deprecated
+
in the source template) the function returns true.  If the parameter value is one of the list of allowed values returns
−
ChapterURL = URL;
+
true; else, emits an error message and returns false.
−
ChapterURLorigin = URLorigin;
+
 
−
URLorigin = '';
+
]]
−
ChapterFormat = Format;
+
 
−
TransChapter = TransTitle;
+
local function is_valid_parameter_value (value, name, possible)
−
Title = BookTitle;
+
if not is_set (value) then
−
Format = '';
+
return true; -- an empty parameter is ok
−
-- TitleLink = '';
+
elseif in_array (value, possible) then
−
TransTitle = '';
+
return true;
−
URL = '';
+
else
−
end
+
table.insert( z.message_tail, { set_error( 'invalid_param_val', {name, value}, true ) } ); -- not an allowed value so add error message
−
elseif 'speech' ~= config.CitationClass then
+
return false
−
Conference = ''; -- not cite conference or cite speech so make sure this is empty string
 
 
end
 
end
 +
end
 +
 +
 +
--[[--------------------------< T E R M I N A T E _ N A M E _ L I S T >----------------------------------------
  
−
-- cite map oddities
+
This function terminates a name list (author, contributor, editor) with a separator character (sepc) and a space
−
local Cartography = "";
+
when the last character is not a sepc character or when the last three characters are not sepc followed by two
−
local Scale = "";
+
closing square brackets (close of a wikilink).  When either of these is true, the name_list is terminated with a
−
local Sheet = A['Sheet'] or '';
+
single space character.
−
local Sheets = A['Sheets'] or '';
+
 
−
if config.CitationClass == "map" then
+
]]
−
Chapter = A['Map'];
+
 
−
ChapterURL = A['MapURL'];
+
local function terminate_name_list (name_list, sepc)
−
TransChapter = A['TransMap'];
+
if (string.sub (name_list,-3,-1) == sepc .. '. ') then -- if already properly terminated
−
ChapterURLorigin = A:ORIGIN('MapURL');
+
return name_list; -- just return the name list
−
ChapterFormat = A['MapFormat'];
+
elseif (string.sub (name_list,-1,-1) == sepc) or (string.sub (name_list,-3,-1) == sepc .. ']]') then -- if last name in list ends with sepc char
−
+
return name_list .. " "; -- don't add another
−
Cartography = A['Cartography'];
+
else
−
if is_set( Cartography ) then
+
return name_list .. sepc .. ' '; -- otherwise terninate the name list
−
Cartography = sepc .. " " .. wrap_msg ('cartography', Cartography, use_lowercase);
 
−
end
 
−
Scale = A['Scale'];
 
−
if is_set( Scale ) then
 
−
Scale = sepc .. " " .. Scale;
 
−
end
 
 
end
 
end
 +
end
 +
 +
 +
--[[-------------------------< F O R M A T _ V O L U M E _ I S S U E >----------------------------------------
  
−
-- Account for the oddities that are {{cite episode}} and {{cite serial}}, before generation of COinS data.
+
returns the concatenation of the formatted volume and issue parameters as a single string; or formatted volume
−
if 'episode' == config.CitationClass or 'serial' == config.CitationClass then
+
or formatted issue, or an empty string if neither are set.
−
local AirDate = A['AirDate'];
 
−
local Began = A['Began']; -- these two are deprecated because the module understands date ranges
 
−
local Ended = A['Ended'];
 
−
local SeriesLink = A['SeriesLink'];
 
−
local Network = A['Network'];
 
−
local Station = A['Station'];
 
−
local s, n = {}, {};
 
  
−
-- do common parameters first
+
]]
−
if is_set(Network) then table.insert(n, Network); end
+
−
if is_set(Station) then table.insert(n, Station); end
+
local function format_volume_issue (volume, issue, cite_class, origin, sepc, lower)
−
ID = table.concat(n, sepc .. ' ');
+
if not is_set (volume) and not is_set (issue) then
 +
return '';
 +
end
 +
 +
if 'magazine' == cite_class or (in_array (cite_class, {'citation', 'map'}) and 'magazine' == origin) then
 +
if is_set (volume) and is_set (issue) then
 +
return wrap_msg ('vol-no', {sepc, volume, issue}, lower);
 +
elseif is_set (volume) then
 +
return wrap_msg ('vol', {sepc, volume}, lower);
 +
else
 +
return wrap_msg ('issue', {sepc, issue}, lower);
 +
end
 +
end
 +
 
 +
local vol = ''; -- here for all cites except magazine
 
 
−
if not is_set (Date) then -- promote airdate or Began/Ended to date
+
if is_set (volume) then
−
if is_set (AirDate) then
+
if volume:match ('^[MDCLXVI]+$') or volume:match ('^%d+$')then -- volume value is all digits or all uppercase roman numerals
−
Date = AirDate;
+
vol = substitute (cfg.presentation['vol-bold'], {sepc, hyphen_to_dash(volume)}); -- render in bold face
−
elseif is_set (Began) then -- deprecated
+
elseif (4 < mw.ustring.len(volume)) then -- not all digits or roman numerals and longer than 4 characters
−
if Began:match('%s') or Ended:match('%s') then -- so we don't create errors: if either has spaces then
+
vol = substitute (cfg.messages['j-vol'], {sepc, volume}); -- not bold
−
Date = Began .. ' – ' .. Ended; -- use spaced ndash as separator
+
add_prop_cat ('long_vol');
−
else
+
else -- four or less characters
−
Date = Began .. '–' .. Ended; -- elsewise no spaces
+
vol = substitute (cfg.presentation['vol-bold'], {sepc, hyphen_to_dash(volume)}); -- bold
−
end
 
−
end
 
 
end
 
end
 +
end
 +
if is_set (issue) then
 +
return vol .. substitute (cfg.messages['j-issue'], issue);
 +
end
 +
return vol;
 +
end
 +
 +
 +
--[[-------------------------< F O R M A T _ P A G E S _ S H E E T S >-----------------------------------------
 +
 +
adds static text to one of |page(s)= or |sheet(s)= values and returns it with all of the others set to empty strings.
 +
The return order is:
 +
page, pages, sheet, sheets
 +
 +
Singular has priority over plural when both are provided.
  
−
if 'episode' == config.CitationClass then -- handle the oddities that are strictly {{cite episode}}
+
]]
−
local Season = A['Season'];
 
−
local SeriesNumber = A['SeriesNumber'];
 
  
−
if is_set (Season) and is_set (SeriesNumber) then -- these are mutually exclusive so if both are set
+
local function format_pages_sheets (page, pages, sheet, sheets, cite_class, origin, sepc, nopp, lower)
−
table.insert( z.message_tail, { set_error( 'redundant_parameters', {wrap_style ('parameter', 'season') .. ' and ' .. wrap_style ('parameter', 'seriesno')}, true ) } ); -- add error message
+
if 'map' == cite_class then -- only cite map supports sheet(s) as in-source locators
−
SeriesNumber = ''; -- unset; prefer |season= over |seriesno=
+
if is_set (sheet) then
 +
if 'journal' == origin then
 +
return '', '', wrap_msg ('j-sheet', sheet, lower), '';
 +
else
 +
return '', '', wrap_msg ('sheet', {sepc, sheet}, lower), '';
 
end
 
end
−
-- assemble a table of parts concatenated later into Series
+
elseif is_set (sheets) then
−
if is_set(Season) then table.insert(s, wrap_msg ('season', Season, use_lowercase)); end
+
if 'journal' == origin then
−
if is_set(SeriesNumber) then table.insert(s, wrap_msg ('series', SeriesNumber, use_lowercase)); end
+
return '', '', '', wrap_msg ('j-sheets', sheets, lower);
−
if is_set(Issue) then table.insert(s, wrap_msg ('episode', Issue, use_lowercase)); end
+
else
−
Issue = ''; -- unset because this is not a unique parameter
+
return '', '', '', wrap_msg ('sheets', {sepc, sheets}, lower);
−
 
−
Chapter = Title; -- promote title parameters to chapter
 
−
ChapterLink = TitleLink; -- alias episodelink
 
−
TransChapter = TransTitle;
 
−
ChapterURL = URL;
 
−
ChapterURLorigin = A:ORIGIN('URL');
 
−
 
−
Title = Series; -- promote series to title
 
−
TitleLink = SeriesLink;
 
−
Series = table.concat(s, sepc .. ' '); -- this is concatenation of season, seriesno, episode number
 
−
 
 
−
if is_set (ChapterLink) and not is_set (ChapterURL) then -- link but not URL
 
−
Chapter = '[[' .. ChapterLink .. '|' .. Chapter .. ']]'; -- ok to wikilink
 
−
elseif is_set (ChapterLink) and is_set (ChapterURL) then -- if both are set, URL links episode;
 
−
Series = '[[' .. ChapterLink .. '|' .. Series .. ']]'; -- series links with ChapterLink (episodelink -> TitleLink -> ChapterLink) ugly
 
 
end
 
end
−
URL = ''; -- unset
+
end
−
TransTitle = ''; -- unset
 
−
 
−
else -- now oddities that are cite serial
 
−
Issue = ''; -- unset because this parameter no longer supported by the citation/core version of cite serial
 
−
Chapter = A['Episode']; -- TODO: make |episode= available to cite episode someday?
 
−
if is_set (Series) and is_set (SeriesLink) then
 
−
Series = '[[' .. SeriesLink .. '|' .. Series .. ']]';
 
−
end
 
−
Series = wrap_style ('italic-title', Series); -- series is italicized
 
−
end
 
 
end
 
end
−
-- end of {{cite episode}} stuff
 
  
−
-- Account for the oddities that are {{cite arxiv}}, before generation of COinS data.
+
local is_journal = 'journal' == cite_class or (in_array (cite_class, {'citation', 'map', 'interview'}) and 'journal' == origin);
−
if 'arxiv' == config.CitationClass then
+
−
if not is_set (ID_list['ARXIV']) then -- |arxiv= or |eprint= required for cite arxiv
+
if is_set (page) then
−
table.insert( z.message_tail, { set_error( 'arxiv_missing', {}, true ) } ); -- add error message
+
if is_journal then
 +
return substitute (cfg.messages['j-page(s)'], page), '', '', '';
 +
elseif not nopp then
 +
return substitute (cfg.messages['p-prefix'], {sepc, page}), '', '', '';
 +
else
 +
return substitute (cfg.messages['nopp'], {sepc, page}), '', '', '';
 
end
 
end
−
if first_set (AccessDate, At, Chapter, Format, Page, Pages, Periodical, PublisherName, URL, -- a crude list of parameters that are not supported by cite arxiv
+
elseif is_set(pages) then
−
ID_list['ASIN'], ID_list['BIBCODE'], ID_list['DOI'], ID_list['ISBN'], ID_list['ISSN'],
+
if is_journal then
−
ID_list['JFM'], ID_list['JSTOR'], ID_list['LCCN'], ID_list['MR'], ID_list['OCLC'], ID_list['OL'],
+
return substitute (cfg.messages['j-page(s)'], pages), '', '', '';
−
ID_list['OSTI'], ID_list['PMC'], ID_list['PMID'], ID_list['RFC'], ID_list['SSRN'], ID_list['USENETID'], ID_list['ZBL']) then
+
elseif tonumber(pages) ~= nil and not nopp then -- if pages is only digits, assume a single page number
−
table.insert( z.message_tail, { set_error( 'arxiv_params_not_supported', {}, true ) } ); -- add error message
+
return '', substitute (cfg.messages['p-prefix'], {sepc, pages}), '', '';
−
 
+
elseif not nopp then
−
AccessDate= ''; -- set these to empty string; not supported in cite arXiv
+
return '', substitute (cfg.messages['pp-prefix'], {sepc, pages}), '', '';
−
PublisherName = ''; -- (if the article has been published, use cite journal, or other)
+
else
−
Chapter = '';
+
return '', substitute (cfg.messages['nopp'], {sepc, pages}), '', '';
−
URL = '';
 
−
Format = '';
 
−
Page = ''; Pages = ''; At = '';
 
 
end
 
end
−
Periodical = 'arXiv'; -- set to arXiv for COinS; after that, must be set to empty string
 
 
end
 
end
 +
 +
return '', '', '', ''; -- return empty strings
 +
end
  
−
-- handle type parameter for those CS1 citations that have default values
 
  
−
if in_array(config.CitationClass, {"AV-media-notes", "DVD-notes", "mailinglist", "map", "podcast", "pressrelease", "report", "techreport", "thesis"}) then
+
--[[--------------------------< I N S O U R C E _ L O C _ G E T >----------------------------------------------
−
TitleType = set_titletype (config.CitationClass, TitleType);
 
−
if is_set(Degree) and "Thesis" == TitleType then -- special case for cite thesis
 
−
TitleType = Degree .. " thesis";
 
−
end
 
−
end
 
  
−
if is_set(TitleType) then -- if type parameter is specified
+
returns one of the in-source locators: page, pages, or at.  
−
TitleType = " (" .. TitleType .. ")"; -- display it in parentheses
 
−
end
 
  
−
-- legacy: promote concatenation of |month=, and |year= to Date if Date not set; or, promote PublicationDate to Date if neither Date nor Year are set.
+
If any of these are interwiki links to wikisource, returns the label portion of the interwikilink as plain text
−
if not is_set (Date) then
+
for use in COinS. This COinS thing is done because here we convert an interwiki link to and external link and
−
Date = Year; -- promote Year to Date
+
add an icon span around that; get_coins_pages() doesn't know about the span. TODO: should it? 
−
Year = nil; -- make nil so Year as empty string isn't used for CITEREF
 
−
if is_set(Date) then
 
−
local Month = A['Month'];
 
−
if is_set(Month) then
 
−
Date = Month .. " " .. Date;
 
−
end
 
−
elseif is_set(PublicationDate) then -- use PublicationDate when |date= and |year= are not set
 
−
Date = PublicationDate; -- promote PublicationDate to Date
 
−
PublicationDate = ''; -- unset, no longer needed
 
−
end
 
−
end
 
  
−
if PublicationDate == Date then PublicationDate = ''; end -- if PublicationDate is same as Date, don't display in rendered citation
+
TODO: add support for sheet and sheets?; streamline;
  
−
--[[
+
TODO: make it so that this function returns only one of the three as the single in-source (the return value assigned
−
Go test all of the date-holding parameters for valid MOS:DATE format and make sure that dates are real dates. This must be done before we do COinS because here is where
+
to a new name)?
−
we get the date used in the metadata.
 
  
−
Date validation supporting code is in Module:Citation/CS1/Date_validation
 
 
]]
 
]]
−
do -- create defined block to contain local variables error_message and mismatch
 
−
local error_message = '';
 
−
-- AirDate has been promoted to Date so not necessary to check it
 
−
anchor_year, COinS_date, error_message = dates({['accessdate']=AccessDate, ['archivedate']=ArchiveDate, ['date']=Date, ['doi_brokendate']=DoiBroken,
 
−
['embargo']=Embargo, ['laydate']=LayDate, ['publicationdate']=PublicationDate, ['year']=Year});
 
  
−
if is_set (Year) and is_set (Date) then -- both |date= and |year= not normally needed;  
+
local function insource_loc_get (page, pages, at)
−
local mismatch = year_date_check (Year, Date)
+
local ws_url, ws_label, coins_pages, L; -- for wikisource interwikilinks; TODO: this corrupts page metadata (span remains in place after cleanup; fix there?)
−
if 0 == mismatch then -- |year= does not match a year-value in |date=
+
 
−
if is_set (error_message) then -- if there is already an error message
+
if is_set (page) then
−
error_message = error_message .. ', '; -- tack on this additional message
+
if is_set (pages) or is_set(at) then
−
end
+
pages = ''; -- unset the others
−
error_message = error_message .. '&#124;year= / &#124;date= mismatch';
+
at = '';
−
elseif 1 == mismatch then -- |year= matches year-value in |date=
 
−
add_maint_cat ('date_year');
 
−
end
 
 
end
 
end
 +
extra_text_in_page_check (page); -- add this page to maint cat if |page= value begins with what looks like p. or pp.
  
−
if is_set(error_message) then
+
ws_url, ws_label, L = wikisource_url_make (page); -- make ws url from |page= interwiki link; link portion L becomes tool tip label
−
table.insert( z.message_tail, { set_error( 'bad_date', {error_message}, true ) } ); -- add this error message
+
if ws_url then
 +
page = external_link (ws_url, ws_label .. '&nbsp;', 'ws link in page'); -- space char after label to move icon away from in-source text; TODO: a better way to do this?
 +
page = substitute (cfg.presentation['interwiki-icon'], {cfg.presentation['class-wikisource'], L, page});
 +
coins_pages = ws_label;
 +
end
 +
elseif is_set (pages) then
 +
if is_set (at) then
 +
at = ''; -- unset
 
end
 
end
−
end -- end of do
+
extra_text_in_page_check (pages); -- add this page to maint cat if |pages= value begins with what looks like p. or pp.
  
−
-- Account for the oddity that is {{cite journal}} with |pmc= set and |url= not set.  Do this after date check but before COInS.
+
ws_url, ws_label, L = wikisource_url_make (pages); -- make ws url from |pages= interwiki link; link portion L becomes tool tip label
−
-- Here we unset Embargo if PMC not embargoed (|embargo= not set in the citation) or if the embargo time has expired. Otherwise, holds embargo date
+
if ws_url then
−
Embargo = is_embargoed (Embargo); --  
+
pages = external_link (ws_url, ws_label .. '&nbsp;', 'ws link in pages'); -- space char after label to move icon away from in-source text; TODO: a better way to do this?
−
 
+
pages = substitute (cfg.presentation['interwiki-icon'], {cfg.presentation['class-wikisource'], L, pages});
−
if config.CitationClass == "journal" and not is_set(URL) and is_set(ID_list['PMC']) then
+
coins_pages = ws_label;
−
if not is_set (Embargo) then -- if not embargoed or embargo has expired
+
end
−
URL=cfg.id_handlers['PMC'].prefix .. ID_list['PMC']; -- set url to be the same as the PMC external link if not embargoed
+
elseif is_set (at) then
−
URLorigin = cfg.id_handlers['PMC'].parameters[1]; -- set URLorigin to parameter name for use in error message if citation is missing a |title=
+
ws_url, ws_label, L = wikisource_url_make (at); -- make ws url from |at= interwiki link; link portion L becomes tool tip label
 +
if ws_url then
 +
at = external_link (ws_url, ws_label .. '&nbsp;', 'ws link in at'); -- space char after label to move icon away from in-source text; TODO: a better way to do this?
 +
at = substitute (cfg.presentation['interwiki-icon'], {cfg.presentation['class-wikisource'], L, at});
 +
coins_pages = ws_label;
 
end
 
end
 
end
 
end
 +
 +
return page, pages, at, coins_pages;
 +
end
 +
 +
 +
 +
--[=[-------------------------< A R C H I V E _ U R L _ C H E C K >--------------------------------------------
 +
 +
Check archive.org urls to make sure they at least look like they are pointing at valid archives and not to the
 +
save snapshot url or to calendar pages.  When the archive url is 'https://web.archive.org/save/' (or http://...)
 +
archive.org saves a snapshot of the target page in the url.  That is something that Wikipedia should not allow
 +
unwitting readers to do.
 +
 +
When the archive.org url does not have a complete timestamp, archive.org chooses a snapshot according to its own
 +
algorithm or provides a calendar 'search' result.  [[WP:ELNO]] discourages links to search results.
 +
 +
This function looks at the value assigned to |archive-url= and returns empty strings for |archive-url= and
 +
|archive-date= and an error message when:
 +
|archive-url= holds an archive.org save command url
 +
|archive-url= is an archive.org url that does not have a complete timestamp (YYYYMMDDhhmmss 14 digits) in the
 +
correct place
 +
otherwise returns |archive-url= and |archive-date=
 +
 +
There are two mostly compatible archive.org urls:
 +
//web.archive.org/<timestamp>... -- the old form
 +
//web.archive.org/web/<timestamp>... -- the new form
 +
 +
The old form does not support or map to the new form when it contains a display flag.  There are four identified flags
 +
('id_', 'js_', 'cs_', 'im_') but since archive.org ignores others following the same form (two letters and an underscore)
 +
we don't check for these specific flags but we do check the form.
 +
 +
This function supports a preview mode.  When the article is rendered in preview mode, this funct may return a modified
 +
archive url:
 +
for save command errors, return undated wildcard (/*/)
 +
for timestamp errors when the timestamp has a wildcard, return the url unmodified
 +
for timestamp errors when the timestamp does not have a wildcard, return with timestamp limited to six digits plus wildcard (/yyyymm*/)
 +
 +
]=]
  
−
-- At this point fields may be nil if they weren't specified in the template use.  We can use that fact.
+
local function archive_url_check (url, date)
−
-- Test if citation has no title
+
local err_msg = ''; -- start with the error message empty
−
if not is_set(Title) and
+
local path, timestamp, flag; -- portions of the archive.or url
−
not is_set(TransTitle) and
 
−
not is_set(ScriptTitle) then
 
−
table.insert( z.message_tail, { set_error( 'citation_missing_title', {}, true ) } );
 
−
end
 
 
 
−
if 'none' == Title and is_set(Periodical) and not (( config.CitationClass == "encyclopaedia" ) or ( config.CitationClass == "citation" and is_set (Encyclopedia))) then -- special case
+
if (not url:match('//web%.archive%.org/')) and (not url:match('//liveweb%.archive%.org/')) then -- also deprecated liveweb Wayback machine url
−
Title = ''; -- set title to empty string
+
return url, date; -- not an archive.org archive, return ArchiveURL and ArchiveDate
−
add_maint_cat ('untitled');
 
 
end
 
end
  
−
-- COinS metadata (see <http://ocoins.info/>) for automated parsing of citation information.
+
if url:match('//web%.archive%.org/save/') then -- if a save command url, we don't want to allow saving of the target page
−
-- handle the oddity that is cite encyclopedia and {{citation |encyclopedia=something}}. Here we presume that
+
err_msg = 'save command';
−
-- when Periodical, Title, and Chapter are all set, then Periodical is the book (encyclopedia) title, Title
+
url = url:gsub ('(//web%.archive%.org)/save/', '%1/*/', 1); -- for preview mode: modify ArchiveURL
−
-- is the article title, and Chapter is a section within the article.  So, we remap
+
elseif url:match('//liveweb%.archive%.org/') then
−
+
err_msg = 'liveweb';
−
local coins_chapter = Chapter; -- default assuming that remapping not required
+
else
−
local coins_title = Title; -- et tu
+
path, timestamp, flag = url:match('//web%.archive%.org/([^%d]*)(%d+)([^/]*)/'); -- split out some of the url parts for evaluation
−
if 'encyclopaedia' == config.CitationClass or ('citation' == config.CitationClass and is_set (Encyclopedia)) then
+
−
if is_set (Chapter) and is_set (Title) and is_set (Periodical) then -- if all are used then
+
if not is_set(timestamp) or 14 ~= timestamp:len() then -- path and flag optional, must have 14-digit timestamp here
−
coins_chapter = Title; -- remap
+
err_msg = 'timestamp';
−
coins_title = Periodical;
+
if '*' ~= flag then
 +
url=url:gsub ('(//web%.archive%.org/[^%d]*%d?%d?%d?%d?%d?%d?)[^/]*', '%1*', 1) -- for preview, modify ts to be yearmo* max (0-6 digits plus splat)
 +
end
 +
elseif is_set(path) and 'web/' ~= path then -- older archive urls do not have the extra 'web/' path element
 +
err_msg = 'path';
 +
elseif is_set (flag) and not is_set (path) then -- flag not allowed with the old form url (without the 'web/' path element)
 +
err_msg = 'flag';
 +
elseif is_set (flag) and not flag:match ('%a%a_') then -- flag if present must be two alpha characters and underscore (requires 'web/' path element)
 +
err_msg = 'flag';
 +
else
 +
return url, date; -- return archiveURL and ArchiveDate
 
end
 
end
 
end
 
end
−
+
-- if here, something not right so
−
-- this is the function call to COinS()
+
table.insert( z.message_tail, { set_error( 'archive_url', {err_msg}, true ) } ); -- add error message and
−
local OCinSoutput = COinS({
+
if is_set (Frame:preprocess('{{REVISIONID}}')) then
−
['Periodical'] = Periodical,
+
return '', ''; -- return empty strings for archiveURL and ArchiveDate
−
['Chapter'] = strip_apostrophe_markup (coins_chapter), -- Chapter stripped of bold / italic wikimarkup
+
else
−
['Title'] = make_coins_title (coins_title, ScriptTitle), -- Title and ScriptTitle stripped of bold / italic wikimarkup
+
return url, date; -- preview mode so return archiveURL and ArchiveDate
−
['PublicationPlace'] = PublicationPlace,
 
−
['Date'] = first_set(COinS_date, Date), -- COinS_date has correctly formatted date if Date is valid; any reason to keep Date here?  Should we be including invalid dates in metadata?
 
−
['Series'] = Series,
 
−
['Volume'] = Volume,
 
−
['Issue'] = Issue,
 
−
['Pages'] = get_coins_pages (first_set(Sheet, Sheets, Page, Pages, At)), -- pages stripped of external links
 
−
['Edition'] = Edition,
 
−
['PublisherName'] = PublisherName,
 
−
['URL'] = first_set( URL, ChapterURL ),
 
−
['Authors'] = a,
 
−
['ID_list'] = ID_list,
 
−
['RawPage'] = this_page.prefixedText,
 
−
}, config.CitationClass);
 
−
 
 
−
-- Account for the oddities that are {{cite arxiv}}, AFTER generation of COinS data.
 
−
if 'arxiv' == config.CitationClass then -- we have set rft.jtitle in COinS to arXiv, now unset so it isn't displayed
 
−
Periodical = ''; -- periodical not allowed in cite arxiv; if article has been published, use cite journal
 
 
end
 
end
 +
end
  
−
-- special case for cite newsgroup.  Do this after COinS because we are modifying Publishername to include some static text
 
−
if 'newsgroup' == config.CitationClass then
 
−
if is_set (PublisherName) then
 
−
PublisherName = '[[Newsgroup]]:&nbsp;' ..  external_link( 'news:' .. PublisherName, PublisherName );
 
−
end
 
−
end
 
  
 +
--[[--------------------------< C I T A T I O N 0 >------------------------------------------------------------
  
 +
This is the main function doing the majority of the citation formatting.
  
−
-- Now perform various field substitutions.
+
]]
−
-- We also add leading spaces and surrounding markup and punctuation to the
+
 
−
-- various parts of the citation, but only when they are non-nil.
+
local function citation0( config, args)
−
do -- do-block to limit scope of LastFirstAuthors
+
--[[
−
local LastFirstAuthors;
+
Load Input Parameters
−
local Maximum = A['DisplayAuthors'];
+
The argument_wrapper facilitates the mapping of multiple aliases to single internal variable.
 +
]]
 +
local A = argument_wrapper( args );
 +
local i
 +
 
 +
-- Pick out the relevant fields from the arguments.  Different citation templates
 +
-- define different field names for the same underlying things.
  
−
Maximum , author_etal = get_display_authors_editors (Maximum, #a, 'authors', author_etal);
+
-- set default parameter values defined by |mode= parameter.
 +
local Mode = A['Mode'];
 +
if not is_valid_parameter_value (Mode, 'mode', cfg.keywords['mode']) then
 +
Mode = '';
 +
end
  
−
local control = {  
+
local author_etal;
−
format = NameListFormat, -- empty string or 'vanc'
+
local a = {}; -- authors list from |lastn= / |firstn= pairs or |vauthors=
−
maximum = Maximum,
+
local Authors;
−
lastauthoramp = LastAuthorAmp,
+
local NameListFormat = A['NameListFormat'];
−
page_name = this_page.text -- get current page name so that we don't wikilink to it via authorlinkn
+
local Collaboration = A['Collaboration'];
−
};
 
−
 
−
-- If the coauthor field is also used, prevent ampersand and et al. formatting.
 
−
if is_set(Coauthors) then
 
−
control.lastauthoramp = nil;
 
−
control.maximum = #a + 1;
 
−
end
 
−
 
−
LastFirstAuthors = list_people(control, a, author_etal);
 
  
−
if is_set (Authors) then
+
do -- to limit scope of selected
−
if is_set (LastFirstAuthors) then -- if both author name styles
+
local selected = select_author_editor_source (A['Vauthors'], A['Authors'], args, 'AuthorList');
−
table.insert( z.message_tail, { set_error( 'redundant_parameters', {wrap_style ('parameter', 'authors') .. ' and ' .. wrap_style ('parameter', 'last')}, true ) } ); -- add error message
+
if 1 == selected then
−
Authors = LastFirstAuthors; -- TODO: is this correct or should we use |authors= instead?
+
a, author_etal = extract_names (args, 'AuthorList'); -- fetch author list from |authorn= / |lastn= / |firstn=, |author-linkn=, and |author-maskn=
 +
elseif 2 == selected then
 +
NameListFormat = 'vanc'; -- override whatever |name-list-format= might be
 +
a, author_etal = parse_vauthors_veditors (args, args.vauthors, 'AuthorList'); -- fetch author list from |vauthors=, |author-linkn=, and |author-maskn=
 +
elseif 3 == selected then
 +
Authors = A['Authors']; -- use content of |authors=
 +
if 'authors' == A:ORIGIN('Authors') then -- but add a maint cat if the parameter is |authors=
 +
add_maint_cat ('authors'); -- because use of this parameter is discouraged; what to do about the aliases is a TODO:
 
end
 
end
−
else
 
−
Authors = LastFirstAuthors; -- either an author name list or an empty string
 
 
end
 
end
−
end -- end of do
+
if is_set (Collaboration) then
 +
author_etal = true; -- so that |display-authors=etal not required
 +
end
 +
end
  
−
if not is_set(Authors) and is_set(Coauthors) then -- coauthors aren't displayed if one of authors=, authorn=, or lastn= isn't specified
+
local Others = A['Others'];
−
table.insert( z.message_tail, { set_error('coauthors_missing_author', {}, true) } ); -- emit error message
 
−
end
 
  
−
local EditorCount; -- used only for choosing {ed.) or (eds.) annotation at end of editor name-list
+
local editor_etal;
−
if not is_set(Editors) then
+
local e = {}; -- editors list from |editor-lastn= / |editor-firstn= pairs or |veditors=
−
local Maximum = A['DisplayEditors'];
+
local Editors;
  
−
Maximum , editor_etal = get_display_authors_editors (Maximum, #e, 'editors', editor_etal);
+
do -- to limit scope of selected
−
-- Preserve old-style implicit et al.
+
local selected = select_author_editor_source (A['Veditors'], A['Editors'], args, 'EditorList');
−
if not is_set(Maximum) and #e == 4 then  
+
if 1 == selected then
−
Maximum = 3;
+
e, editor_etal = extract_names (args, 'EditorList'); -- fetch editor list from |editorn= / |editor-lastn= / |editor-firstn=, |editor-linkn=, and |editor-maskn=
−
table.insert( z.message_tail, { set_error('implict_etal_editor', {}, true) } );
+
elseif 2 == selected then
 +
NameListFormat = 'vanc'; -- override whatever |name-list-format= might be
 +
e, editor_etal = parse_vauthors_veditors (args, args.veditors, 'EditorList'); -- fetch editor list from |veditors=, |editor-linkn=, and |editor-maskn=
 +
elseif 3 == selected then
 +
Editors = A['Editors']; -- use content of |editors=
 +
add_maint_cat ('editors'); -- but add a maint cat because use of this parameter is discouraged
 
end
 
end
 +
end
  
−
local control = {  
+
local translator_etal;
−
format = NameListFormat, -- empty string or 'vanc'
+
local t = {}; -- translators list from |translator-lastn= / translator-firstn= pairs
−
maximum = Maximum,
+
local Translators; -- assembled translators name list
−
lastauthoramp = LastAuthorAmp,
+
t = extract_names (args, 'TranslatorList'); -- fetch translator list from |translatorn= / |translator-lastn=, -firstn=, -linkn=, -maskn=
−
page_name = this_page.text -- get current page name so that we don't wikilink to it via editorlinkn
+
 
−
};
+
local interviewer_etal;
 +
local interviewers_list = {};
 +
local Interviewers; -- used later
 +
interviewers_list = extract_names (args, 'InterviewerList'); -- process preferred interviewers parameters
  
−
Editors, EditorCount = list_people(control, e, editor_etal);
+
local contributor_etal;
−
if 1 == EditorCount and (true == editor_etal or 1 < #e) then -- only one editor displayed but includes etal then
+
local c = {}; -- contributors list from |contributor-lastn= / contributor-firstn= pairs
−
EditorCount = 2; -- spoof to display (eds.) annotation
+
local Contributors; -- assembled contributors name list
 +
local Contribution = A['Contribution'];
 +
if in_array(config.CitationClass, {"book","citation"}) and not is_set(A['Periodical']) then -- |contributor= and |contribution= only supported in book cites
 +
c = extract_names (args, 'ContributorList'); -- fetch contributor list from |contributorn= / |contributor-lastn=, -firstn=, -linkn=, -maskn=
 +
 +
if 0 < #c then
 +
if not is_set (Contribution) then -- |contributor= requires |contribution=
 +
table.insert( z.message_tail, { set_error( 'contributor_missing_required_param', 'contribution')}); -- add missing contribution error message
 +
c = {}; -- blank the contributors' table; it is used as a flag later
 +
end
 +
if 0 == #a then -- |contributor= requires |author=
 +
table.insert( z.message_tail, { set_error( 'contributor_missing_required_param', 'author')}); -- add missing author error message
 +
c = {}; -- blank the contributors' table; it is used as a flag later
 +
end
 
end
 
end
−
else
+
else -- if not a book cite
−
EditorCount = 1;
+
if select_one (args, cfg.aliases['ContributorList-Last'], 'redundant_parameters', 1 ) then -- are there contributor name list parameters?
 +
table.insert( z.message_tail, { set_error( 'contributor_ignored')}); -- add contributor ignored error message
 +
end
 +
Contribution = nil; -- unset
 
end
 
end
  
−
-- apply |[xx-]format= styling; at the end, these parameters hold correctly styled format annotation,
+
if not is_valid_parameter_value (NameListFormat, 'name-list-format', cfg.keywords['name-list-format']) then -- only accepted value for this parameter is 'vanc'
−
-- an error message if the associated url is not set, or an empty string for concatenation
+
NameListFormat = ''; -- anything else, set to empty string
−
ArchiveFormat = style_format (ArchiveFormat, ArchiveURL, 'archive-format', 'archive-url');
+
end
−
ChapterFormat = style_format (ChapterFormat, ChapterURL, 'chapter-format', 'chapter-url');
 
−
ConferenceFormat = style_format (ConferenceFormat, ConferenceURL, 'conference-format', 'conference-url');
 
−
Format = style_format (Format, URL, 'format', 'url');
 
−
LayFormat = style_format (LayFormat, LayURL, 'lay-format', 'lay-url');
 
−
TranscriptFormat = style_format (TranscriptFormat, TranscriptURL, 'transcript-format', 'transcripturl');
 
  
−
if not is_set(URL) then --and
+
if is_set (Others) then
−
-- not is_set(ArchiveURL) then --and -- prevents format_missing_url error from registering
+
if 0 == #a and 0 == #e then -- add maint cat when |others= has value and used without |author=, |editor=
−
-- not is_set(ConferenceURL) and -- TODO: keep this here? conference as part of cite web or cite podcast?
+
add_maint_cat ('others');
−
-- not is_set(TranscriptURL) then -- TODO: remove? |transcript-url= and |transcript= has separate test
 
−
 
−
-- Test if cite web or cite podcast |url= is missing or empty
 
−
if in_array(config.CitationClass, {"web","podcast", "mailinglist"}) then
 
−
table.insert( z.message_tail, { set_error( 'cite_web_url', {}, true ) } );
 
−
end
 
−
 
−
-- Test if accessdate is given without giving a URL
 
−
if is_set(AccessDate) and not is_set(ChapterURL)then -- ChapterURL may be set when the others are not set; TODO: move this to a separate test?
 
−
table.insert( z.message_tail, { set_error( 'accessdate_missing_url', {}, true ) } );
 
−
AccessDate = '';
 
 
end
 
end
 
end
 
end
  
−
local OriginalURL, OriginalFormat; -- TODO: swap chapter and title here so that archive applies to most specific if both are set?
+
local Year = A['Year'];
−
DeadURL = DeadURL:lower(); -- used later when assembling archived text
+
local PublicationDate = A['PublicationDate'];
−
if is_set( ArchiveURL ) then
+
local OrigYear = A['OrigYear'];
−
if is_set (URL) then
+
local Date = A['Date'];
−
OriginalURL = URL; -- save copy of original source URL
+
local LayDate = A['LayDate'];
−
OriginalFormat = Format; -- and original |format=
+
------------------------------------------------- Get title data
−
if 'no' ~= DeadURL then -- if URL set then archive-url applies to it
+
local Title = A['Title'];
−
URL = ArchiveURL -- swap-in the archive's url
+
local ScriptTitle = A['ScriptTitle'];
−
URLorigin = A:ORIGIN('ArchiveURL') -- name of archive url parameter for error messages
+
local BookTitle = A['BookTitle'];
−
Format = ArchiveFormat or ''; -- swap in archive's format
+
local Conference = A['Conference'];
−
end
+
local TransTitle = A['TransTitle'];
−
elseif is_set (ChapterURL) then -- URL not set so if chapter-url is set apply archive url to it
+
local TitleNote = A['TitleNote'];
−
OriginalURL = ChapterURL; -- save copy of source chapter's url for archive text
+
local TitleLink = A['TitleLink'];
−
OriginalFormat = ChapterFormat; -- and original |format=
+
link_title_ok (TitleLink, A:ORIGIN ('TitleLink'), Title, 'title'); -- check for wikimarkup in |title-link= or wikimarkup in |title= when |title-link= is set
−
if 'no' ~= DeadURL then
+
 
−
ChapterURL = ArchiveURL -- swap-in the archive's url
+
local Chapter = A['Chapter'];
−
URLorigin = A:ORIGIN('ArchiveURL') -- name of archive url parameter for error messages
+
local ScriptChapter = A['ScriptChapter'];
−
ChapterFormat = ArchiveFormat or ''; -- swap in archive's format
+
local ScriptChapterOrigin = A:ORIGIN ('ScriptChapter');
−
end
+
local ChapterLink -- = A['ChapterLink']; -- deprecated as a parameter but still used internally by cite episode
−
end
+
local TransChapter = A['TransChapter'];
−
end
+
local TitleType = A['TitleType'];
 +
local Degree = A['Degree'];
 +
local Docket = A['Docket'];
 +
local ArchiveFormat = A['ArchiveFormat'];
 +
 
 +
local ArchiveDate;
 +
local ArchiveURL;
  
−
if in_array(config.CitationClass, {"web","news","journal","pressrelease","podcast", "newsgroup", 'arxiv'}) or
+
ArchiveURL, ArchiveDate = archive_url_check (A['ArchiveURL'], A['ArchiveDate'])
−
('citation' == config.CitationClass and is_set (Periodical) and not is_set (Encyclopedia)) then
+
−
if is_set (Chapter) or is_set (TransChapter) or is_set (ChapterURL)then -- chapter parameters not supported for these citation types
+
local UrlStatus = A['UrlStatus'];
−
table.insert( z.message_tail, { set_error( 'chapter_ignored', {}, true ) } ); -- add error message
+
if 'url-status' == A:ORIGIN ('UrlStatus') then -- interim: TODO: this line goes away
−
Chapter = ''; -- set to empty string to be safe with concatenation
+
if not is_valid_parameter_value (UrlStatus, 'url-status', cfg.keywords ['url-status']) then -- set in config.defaults to 'dead'
−
TransChapter = '';
+
UrlStatus = ''; -- anything else, set to empty string
−
ChapterURL = '';
+
end -- interim: TODO: this line goes away
−
end
+
elseif is_set (A:ORIGIN ('UrlStatus')) then -- interim: while both |dead-url= and |url-status= allowed use separate keyword lists; TODO: remove this section
−
else -- otherwise, format chapter / article title
+
if not is_valid_parameter_value (UrlStatus, A:ORIGIN ('UrlStatus'), cfg.keywords ['deadurl']) then -- interim: assume |dead-url=; use those keywords; TODO: this line goes away
−
Chapter = format_chapter_title (Chapter, TransChapter, ChapterURL, ChapterURLorigin);
+
UrlStatus = ''; -- anything else, set to empty string; interim: TODO: this line goes away
−
if is_set (Chapter) then
+
end -- interim: TODO: this line goes away
−
if 'map' == config.CitationClass and is_set (TitleType) then
+
end -- interim: TODO: this line goes away
−
Chapter = Chapter .. ' ' .. TitleType;
+
 +
if in_array (UrlStatus, {'yes', 'true', 'y'}) then -- TODO: remove this whole thing when |dead-url=[yes|no] parameters removed from articles
 +
UrlStatus = 'dead';
 +
elseif 'no' == UrlStatus then
 +
UrlStatus = 'live';
 +
end
 +
 +
local URL = A['URL']
 +
local URLorigin = A:ORIGIN('URL'); -- get name of parameter that holds URL
 +
local ChapterURL = A['ChapterURL'];
 +
local ChapterURLorigin = A:ORIGIN('ChapterURL'); -- get name of parameter that holds ChapterURL
 +
local ConferenceFormat = A['ConferenceFormat'];
 +
local ConferenceURL = A['ConferenceURL'];
 +
local ConferenceURLorigin = A:ORIGIN('ConferenceURL'); -- get name of parameter that holds ConferenceURL
 +
local Periodical = A['Periodical'];
 +
local Periodical_origin = '';
 +
if is_set (Periodical) then
 +
Periodical_origin = A:ORIGIN('Periodical'); -- get the name of the periodical parameter
 +
local i;
 +
Periodical, i = strip_apostrophe_markup (Periodical); -- strip appostrophe markup so that metadata isn't contaminated
 +
if i then -- non-zero when markup was stripped so emit an error message
 +
table.insert( z.message_tail, {set_error ('apostrophe_markup', {Periodical_origin}, true)});
 +
end
 +
end
 +
 
 +
local ScriptPeriodical = A['ScriptPeriodical'];
 +
local ScriptPeriodical_origin = A:ORIGIN('ScriptPeriodical');
 +
-- web and news not tested for now because of
 +
-- Wikipedia:Administrators%27_noticeboard#Is_there_a_semi-automated_tool_that_could_fix_these_annoying_"Cite_Web"_errors?
 +
if not (is_set (Periodical) or is_set (ScriptPeriodical)) then -- 'periodical' templates require periodical parameter
 +
-- local p = {['journal'] = 'journal', ['magazine'] = 'magazine', ['news'] = 'newspaper', ['web'] = 'website'}; -- for error message
 +
local p = {['journal'] = 'journal', ['magazine'] = 'magazine'}; -- for error message
 +
if p[config.CitationClass]  then
 +
table.insert( z.message_tail, {set_error ('missing_periodical', {config.CitationClass, p[config.CitationClass]}, true)});
 
end
 
end
−
Chapter = Chapter .. ChapterFormat .. sepc .. ' ';
 
 
end
 
end
−
end
 
  
−
-- Format main title.
+
local TransPeriodical = A['TransPeriodical'];
−
if is_set(TitleLink) and is_set(Title) then
 
−
Title = "[[" .. TitleLink .. "|" .. Title .. "]]"
 
−
end
 
  
−
if in_array(config.CitationClass, {"web","news","journal","pressrelease","podcast", "newsgroup", "mailinglist", 'arxiv'}) or
+
local Series = A['Series'];
−
('citation' == config.CitationClass and is_set (Periodical) and not is_set (Encyclopedia)) or
 
−
('map' == config.CitationClass and is_set (Periodical)) then -- special case for cite map when the map is in a periodical treat as an article
 
−
Title = kern_quotes (Title); -- if necessary, separate title's leading and trailing quote marks from Module provided quote marks
 
−
Title = wrap_style ('quoted-title', Title);
 
 
 
−
Title = script_concatenate (Title, ScriptTitle); -- <bdi> tags, lang atribute, categorization, etc; must be done after title is wrapped
+
local Volume;
−
TransTitle= wrap_style ('trans-quoted-title', TransTitle );
+
local Issue;
−
elseif 'report' == config.CitationClass then -- no styling for cite report
+
local Page;
−
Title = script_concatenate (Title, ScriptTitle); -- <bdi> tags, lang atribute, categorization, etc; must be done after title is wrapped
+
local Pages;
−
TransTitle= wrap_style ('trans-quoted-title', TransTitle ); -- for cite report, use this form for trans-title
+
local At;
−
else
 
−
Title = wrap_style ('italic-title', Title);
 
−
Title = script_concatenate (Title, ScriptTitle); -- <bdi> tags, lang atribute, categorization, etc; must be done after title is wrapped
 
−
TransTitle = wrap_style ('trans-italic-title', TransTitle);
 
−
end
 
  
−
TransError = "";
+
if 'citation' == config.CitationClass then
−
if is_set(TransTitle) then
+
if is_set (Periodical) then
−
if is_set(Title) then
+
if not in_array (Periodical_origin, {'website', 'mailinglist'}) then -- {{citation}} does not render volume for these 'periodicals'
−
TransTitle = " " .. TransTitle;
+
Volume = A['Volume']; -- but does for all other 'periodicals'
 +
end
 +
elseif is_set (ScriptPeriodical) then
 +
if 'script-website' ~= ScriptPeriodical_origin then -- {{citation}} does not render volume for |script-website=
 +
Volume = A['Volume']; -- but does for all other 'periodicals'
 +
end
 
else
 
else
−
TransError = " " .. set_error( 'trans_missing_title' );
+
Volume = A['Volume']; -- and does for non-'periodical' cites
 +
end
 +
elseif in_array (config.CitationClass, cfg.templates_using_volume) then -- render |volume= for cs1 according to the configuration settings
 +
Volume = A['Volume'];
 +
end
 +
 
 +
if 'citation' == config.CitationClass then
 +
if is_set (Periodical) and in_array (Periodical_origin, {'journal', 'magazine', 'newspaper', 'periodical', 'work'}) or -- {{citation}} renders issue for these 'periodicals'
 +
is_set (ScriptPeriodical) and in_array (ScriptPeriodical_origin, {'script-journal', 'script-magazine', 'script-newspaper', 'script-periodical', 'script-work'}) then -- and these 'script-periodicals'
 +
Issue = hyphen_to_dash (A['Issue']);
 
end
 
end
−
end
+
elseif in_array (config.CitationClass, cfg.templates_using_issue) then -- conference & map books do not support issue; {{citation}} listed here because included in settings table
−
+
if not (in_array (config.CitationClass, {'conference', 'map', 'citation'}) and not (is_set (Periodical) or is_set (ScriptPeriodical))) then
−
Title = Title .. TransTitle;
+
Issue = hyphen_to_dash (A['Issue']);
−
 
−
if is_set(Title) then
 
−
if not is_set(TitleLink) and is_set(URL) then  
 
−
Title = external_link( URL, Title ) .. TransError .. Format;
 
−
URL = "";
 
−
Format = "";
 
−
else
 
−
Title = Title .. TransError;
 
 
end
 
end
 
end
 
end
  
−
if is_set(Place) then
+
local Position = '';
−
Place = " " .. wrap_msg ('written', Place, use_lowercase) .. sepc .. " ";
+
if not in_array (config.CitationClass, cfg.templates_not_using_page) then
 +
Page = A['Page'];
 +
Pages = hyphen_to_dash (A['Pages']);
 +
At = A['At'];
 
end
 
end
  
−
if is_set (Conference) then
+
local Edition = A['Edition'];
−
if is_set (ConferenceURL) then
+
local PublicationPlace = A['PublicationPlace']
−
Conference = external_link( ConferenceURL, Conference );
+
local Place = A['Place'];
 +
 +
local PublisherName = A['PublisherName'];
 +
local PublisherName_origin = A:ORIGIN('PublisherName');
 +
if is_set (PublisherName) then
 +
local i=0;
 +
PublisherName, i = strip_apostrophe_markup (PublisherName); -- strip appostrophe markup so that metadata isn't contaminated; publisher is never italicized
 +
 
 +
if i then -- non-zero when markup was stripped so emit an error message
 +
table.insert( z.message_tail, {set_error ('apostrophe_markup', {PublisherName_origin}, true)});
 +
end
 
end
 
end
−
Conference = sepc .. " " .. Conference .. ConferenceFormat;
 
−
elseif is_set(ConferenceURL) then
 
−
Conference = sepc .. " " .. external_link( ConferenceURL, nil, ConferenceURLorigin );
 
−
end
 
  
−
if not is_set(Position) then
+
local RegistrationRequired = A['RegistrationRequired'];
−
local Minutes = A['Minutes'];
+
if not is_valid_parameter_value (RegistrationRequired, 'registration', cfg.keywords ['yes_true_y']) then
−
if is_set(Minutes) then
+
RegistrationRequired=nil;
−
Position = " " .. Minutes .. " " .. cfg.messages['minutes'];
+
end
−
else
+
 
−
local Time = A['Time'];
+
local SubscriptionRequired = A['SubscriptionRequired'];
−
if is_set(Time) then
+
if not is_valid_parameter_value (SubscriptionRequired, 'subscription', cfg.keywords ['yes_true_y']) then
−
local TimeCaption = A['TimeCaption']
+
SubscriptionRequired=nil;
−
if not is_set(TimeCaption) then
 
−
TimeCaption = cfg.messages['event'];
 
−
if sepc ~= '.' then
 
−
TimeCaption = TimeCaption:lower();
 
−
end
 
−
end
 
−
Position = " " .. TimeCaption .. " " .. Time;
 
−
end
 
 
end
 
end
−
else
+
 
−
Position = " " .. Position;
+
local UrlAccess = A['UrlAccess'];
−
At = '';
+
if not is_valid_parameter_value (UrlAccess, 'url-access', cfg.keywords ['url-access']) then
−
end
+
UrlAccess = nil;
−
 
−
if not is_set(Page) then
 
−
if is_set(Pages) then
 
−
if is_set(Periodical) and
 
−
not in_array(config.CitationClass, {"encyclopaedia","web","book","news","podcast"}) then
 
−
Pages = ": " .. Pages;
 
−
elseif tonumber(Pages) ~= nil then
 
−
Pages = sepc .." " .. PPrefix .. Pages;
 
−
else
 
−
Pages = sepc .." " .. PPPrefix .. Pages;
 
−
end
 
 
end
 
end
−
else
+
if not is_set(URL) and is_set(UrlAccess) then
−
if is_set(Periodical) and
+
UrlAccess = nil;
−
not in_array(config.CitationClass, {"encyclopaedia","web","book","news","podcast"}) then
+
table.insert( z.message_tail, { set_error( 'param_access_requires_param', {'url'}, true ) } );
−
Page = ": " .. Page;
 
−
else
 
−
Page = sepc .." " .. PPrefix .. Page;
 
 
end
 
end
−
end
+
−
 
+
if is_set (UrlAccess) and is_set (SubscriptionRequired) then -- while not aliases, these are much the same so if both are set
−
if 'map' == config.CitationClass then -- cite map oddity done after COinS call (and with other in-source locators)
+
table.insert( z.message_tail, { set_error( 'redundant_parameters', {wrap_style ('parameter', 'url-access') .. ' and ' .. wrap_style ('parameter', 'subscription')}, true ) } ); -- add error message
−
if is_set (Sheet) or is_set (Sheets) then
+
SubscriptionRequired = nil; -- unset; prefer |access= over |subscription=
−
local err_msg1 = 'sheet=, &#124;sheets'; -- default error message in case any of page pages or at are set
+
end
−
local err_msg2;
+
if is_set (UrlAccess) and is_set (RegistrationRequired) then -- these are not the same but contradictory so if both are set
−
if is_set (Page) or is_set (Pages) or is_set (At) then -- are any set?
+
table.insert( z.message_tail, { set_error( 'redundant_parameters', {wrap_style ('parameter', 'url-access') .. ' and ' .. wrap_style ('parameter', 'registration')}, true ) } ); -- add error message
−
err_msg2 = 'page=, &#124;pages=, &#124;at'; -- a generic error message
+
RegistrationRequired = nil; -- unset; prefer |access= over |registration=
−
Page = ''; Pages = ''; At = '';
 
−
elseif is_set (Sheet) and is_set (Sheets) then -- if both are set make error message
 
−
err_msg1 = 'sheet';
 
−
err_msg2 = 'sheets';
 
−
end
 
−
if is_set (err_msg2) then
 
−
table.insert( z.message_tail, { set_error( 'redundant_parameters', {wrap_style ('parameter', err_msg1) .. ' and ' .. wrap_style ('parameter', err_msg2)}, true ) } ); -- add error message
 
−
end
 
−
if not is_set (Sheet) then -- do sheet static text and formatting; Sheet has priority over Sheets if both provided
 
−
if is_set (Sheets) then
 
−
if is_set (Periodical) then
 
−
Sheet = ": Sheets " .. Sheets; -- because Sheet has priority, no need to support both later on
 
−
else
 
−
Sheet = sepc .. " Sheets " .. Sheets;
 
−
end
 
−
end
 
−
else
 
−
if is_set (Periodical) then
 
−
Sheet = ": Sheet " .. Sheet;
 
−
else
 
−
Sheet = sepc .. " Sheet " .. Sheet;
 
−
end
 
−
end
 
 
end
 
end
−
end
 
  
−
At = is_set(At) and (sepc .. " " .. At) or "";
+
local ChapterUrlAccess = A['ChapterUrlAccess'];
−
Position = is_set(Position) and (sepc .. " " .. Position) or "";
+
if not is_valid_parameter_value (ChapterUrlAccess, A:ORIGIN('ChapterUrlAccess'), cfg.keywords ['url-access']) then -- same as url-access
−
if config.CitationClass == 'map' then
+
ChapterUrlAccess = nil;
−
local Section = A['Section'];
+
end
−
local Sections = A['Sections'];
+
if not is_set(ChapterURL) and is_set(ChapterUrlAccess) then
−
local Inset = A['Inset'];
+
ChapterUrlAccess = nil;
−
+
table.insert( z.message_tail, { set_error( 'param_access_requires_param', {A:ORIGIN('ChapterUrlAccess'):gsub ('%-access', '')}, true ) } );
−
if is_set( Inset ) then
+
end
−
Inset = sepc .. " " .. wrap_msg ('inset', Inset, use_lowercase);
 
−
end
 
  
−
if is_set( Sections ) then
+
local MapUrlAccess = A['MapUrlAccess'];
−
Section = sepc .. " " .. wrap_msg ('sections', Sections, use_lowercase);
+
if not is_valid_parameter_value (MapUrlAccess, 'map-url-access', cfg.keywords ['url-access']) then
−
elseif is_set( Section ) then
+
MapUrlAccess = nil;
−
Section = sepc .. " " .. wrap_msg ('section', Section, use_lowercase);
+
end
 +
if not is_set(A['MapURL']) and is_set(MapUrlAccess) then
 +
MapUrlAccess = nil;
 +
table.insert( z.message_tail, { set_error( 'param_access_requires_param', {'map-url'}, true ) } );
 
end
 
end
−
At = At .. Inset .. Section;
 
−
end
 
  
−
if is_set (Language) then
+
local Via = A['Via'];
−
Language = language_parameter (Language, this_page.namespace); -- format, categories (article namespace only), name from ISO639-1, etc
+
local AccessDate = A['AccessDate'];
−
else
+
local Agency = A['Agency'];
−
Language=""; -- language not specified so make sure this is an empty string;
 
−
end
 
  
−
Others = is_set(Others) and (sepc .. " " .. Others) or "";
+
local Language = A['Language'];
 +
local Format = A['Format'];
 +
local ChapterFormat = A['ChapterFormat'];
 +
local DoiBroken = A['DoiBroken'];
 +
local ID = A['ID'];
 +
local ASINTLD = A['ASINTLD'];
 +
local IgnoreISBN = A['IgnoreISBN'];
 +
if not is_valid_parameter_value (IgnoreISBN, 'ignore-isbn-error', cfg.keywords ['yes_true_y']) then
 +
IgnoreISBN = nil; -- anything else, set to empty string
 +
end
 +
local Embargo = A['Embargo'];
 +
local Class = A['Class']; -- arxiv class identifier
  
−
TitleNote = is_set(TitleNote) and (sepc .. " " .. TitleNote) or "";
+
local ID_list = extract_ids( args );
−
Edition = is_set(Edition) and (" " .. wrap_msg ('edition', Edition)) or "";
+
if is_set (DoiBroken) and not ID_list['DOI'] then
−
Issue = is_set(Issue) and (" (" .. Issue .. ")") or "";
+
table.insert( z.message_tail, { set_error( 'doibroken_missing_doi', A:ORIGIN('DoiBroken'))});
−
Series = is_set(Series) and (sepc .. " " .. Series) or "";
 
−
OrigYear = is_set(OrigYear) and (" [" .. OrigYear .. "]") or "";
 
−
Agency = is_set(Agency) and (sepc .. " " .. Agency) or "";
 
−
 
 
−
if is_set(Volume) then
 
−
if ( mw.ustring.len(Volume) > 4 )
 
−
  then Volume = sepc .." " .. Volume;
 
−
  else Volume = " <b>" .. hyphen_to_dash(Volume) .. "</b>";
 
 
end
 
end
−
end
+
local ID_access_levels = extract_id_access_levels( args, ID_list );
  
−
------------------------------------ totally unrelated data
+
local Quote = A['Quote'];
−
if is_set(Via) then
 
−
Via = " " .. wrap_msg ('via', Via);
 
−
end
 
  
−
--[[
+
local LayFormat = A['LayFormat'];
−
Subscription implies paywall; Registration does not.  If both are used in a citation, the subscription required link
+
local LayURL = A['LayURL'];
−
note is displayed. There are no error messages for this condition.
+
local LaySource = A['LaySource'];
−
 
+
local Transcript = A['Transcript'];
−
]]
+
local TranscriptFormat = A['TranscriptFormat'];
−
if in_array(SubscriptionRequired:lower(), {'yes', 'true', 'y'}) then
+
local TranscriptURL = A['TranscriptURL']  
−
SubscriptionRequired = sepc .. " " .. cfg.messages['subscription']; -- subscription required message
+
local TranscriptURLorigin = A:ORIGIN('TranscriptURL'); -- get name of parameter that holds TranscriptURL
−
elseif in_array(RegistrationRequired:lower(), {'yes', 'true', 'y'}) then
+
 
−
SubscriptionRequired = sepc .. " " .. cfg.messages['registration']; -- registration required message
+
local LastAuthorAmp = A['LastAuthorAmp'];
−
else
+
if not is_valid_parameter_value (LastAuthorAmp, 'last-author-amp', cfg.keywords ['yes_true_y']) then
−
SubscriptionRequired = ''; -- either or both might be set to something other than yes true y
+
LastAuthorAmp = nil; -- set to empty string
−
end
+
end
 +
 
 +
local no_tracking_cats = A['NoTracking'];
 +
if not is_valid_parameter_value (no_tracking_cats, 'no-tracking', cfg.keywords ['yes_true_y']) then
 +
no_tracking_cats = nil; -- set to empty string
 +
end
  
−
if is_set(AccessDate) then
+
--local variables that are not cs1 parameters
−
local retrv_text = " " .. cfg.messages['retrieved']
+
local use_lowercase; -- controls capitalization of certain static text
 +
local this_page = mw.title.getCurrentTitle(); -- also used for COinS and for language
 +
local anchor_year; -- used in the CITEREF identifier
 +
local COinS_date = {}; -- holds date info extracted from |date= for the COinS metadata by Module:Date verification
  
−
AccessDate = nowrap_date (AccessDate); -- wrap in nowrap span if date in appropriate format
+
local DF = A['DF']; -- date format set in cs1|2 template
−
if (sepc ~= ".") then retrv_text = retrv_text:lower() end -- if 'citation', lower case
+
if not is_valid_parameter_value (DF, 'df', cfg.keywords['date-format']) then -- validate reformatting keyword
−
AccessDate = substitute (retrv_text, AccessDate); -- add retrieved text
+
DF = ''; -- not valid, set to empty string
−
-- neither of these work; don't know why; it seems that substitute() isn't being called
 
−
AccessDate = substitute (cfg.presentation['accessdate'], {sepc, AccessDate}); -- allow editors to hide accessdates
 
 
end
 
end
−
+
if not is_set (DF) then
−
if is_set(ID) then ID = sepc .." ".. ID; end
+
DF = cfg.global_df;
−
  if "thesis" == config.CitationClass and is_set(Docket) then
 
−
ID = sepc .." Docket ".. Docket .. ID;
 
−
end
 
−
  if "report" == config.CitationClass and is_set(Docket) then -- for cite report when |docket= is set
 
−
ID = sepc .. ' ' .. Docket; -- overwrite ID even if |id= is set
 
 
end
 
end
  
−
ID_list = build_id_list( ID_list, {DoiBroken = DoiBroken, ASINTLD = ASINTLD, IgnoreISBN = IgnoreISBN, Embargo=Embargo, Class = Class} );
+
local sepc; -- separator between citation elements for CS1 a period, for CS2, a comma
 +
local PostScript;
 +
local Ref;
 +
sepc, PostScript, Ref = set_style (Mode:lower(), A['PostScript'], A['Ref'], config.CitationClass);
 +
use_lowercase = ( sepc == ',' ); -- used to control capitalization for certain static text
  
−
if is_set(URL) then
+
--check this page to see if it is in one of the namespaces that cs1 is not supposed to add to the error categories
−
URL = " " .. external_link( URL, nil, URLorigin );
+
if not is_set (no_tracking_cats) then -- ignore if we are already not going to categorize this page
 +
if in_array (this_page.nsText, cfg.uncategorized_namespaces) then
 +
no_tracking_cats = "true"; -- set no_tracking_cats
 +
end
 +
for _,v in ipairs (cfg.uncategorized_subpages) do -- cycle through page name patterns
 +
if this_page.text:match (v) then -- test page name against each pattern
 +
no_tracking_cats = "true"; -- set no_tracking_cats
 +
break; -- bail out if one is found
 +
end
 +
end
 +
end
 +
 
 +
-- check for extra |page=, |pages= or |at= parameters. (also sheet and sheets while we're at it)
 +
select_one( args, {'page', 'p', 'pp', 'pages', 'at', 'sheet', 'sheets'}, 'redundant_parameters' ); -- this is a dummy call simply to get the error message and category
 +
 
 +
local coins_pages;
 +
 +
Page, Pages, At, coins_pages = insource_loc_get (Page, Pages, At);
 +
 
 +
local NoPP = A['NoPP']
 +
if is_set (NoPP) and is_valid_parameter_value (NoPP, 'nopp', cfg.keywords ['yes_true_y']) then
 +
NoPP = true;
 +
else
 +
NoPP = nil; -- unset, used as a flag later
 
end
 
end
  
−
if is_set(Quote) then
+
if not is_set(PublicationPlace) and is_set(Place) then -- both |publication-place= and |place= (|location=) allowed if different
−
if Quote:sub(1,1) == '"' and Quote:sub(-1,-1) == '"' then
+
PublicationPlace = Place; -- promote |place= (|location=) to |publication-place
−
Quote = Quote:sub(2,-2);
 
−
end
 
−
Quote = sepc .." " .. wrap_style ('quoted-text', Quote ); -- wrap in <q>...</q> tags
 
−
PostScript = ""; -- CS1 does not supply terminal punctuation when |quote= is set
 
 
end
 
end
 
 
−
local Archived
+
if PublicationPlace == Place then Place = ''; end -- don't need both if they are the same
−
if is_set(ArchiveURL) then
+
−
if not is_set(ArchiveDate) then
+
--[[
−
ArchiveDate = set_error('archive_missing_date');
+
Parameter remapping for cite encyclopedia:
−
end
+
When the citation has these parameters:
−
if "no" == DeadURL then
+
|encyclopedia and |title then map |title to |article and |encyclopedia to |title
−
local arch_text = cfg.messages['archived'];
+
|encyclopedia and |article then map |encyclopedia to |title
−
if sepc ~= "." then arch_text = arch_text:lower() end
+
 
−
Archived = sepc .. " " .. substitute( cfg.messages['archived-not-dead'],
+
|trans-title maps to |trans-chapter when |title is re-mapped
−
{ external_link( ArchiveURL, arch_text ) .. ArchiveFormat, ArchiveDate } );
+
|url maps to |chapterurl when |title is remapped
−
if not is_set(OriginalURL) then
+
−
Archived = Archived .. " " .. set_error('archive_missing_url');  
+
All other combinations of |encyclopedia, |title, and |article are not modified
 +
 +
]]
 +
 
 +
local Encyclopedia = A['Encyclopedia'];
 +
 
 +
if ( config.CitationClass == "encyclopaedia" ) or ( config.CitationClass == "citation" and is_set (Encyclopedia)) then -- test code for citation
 +
if is_set (Periodical) then -- Periodical is set when |encyclopedia is set
 +
if is_set(Title) or is_set (ScriptTitle) then
 +
if not is_set(Chapter) then
 +
Chapter = Title; -- |encyclopedia and |title are set so map |title to |article and |encyclopedia to |title
 +
ScriptChapter = ScriptTitle;
 +
ScriptChapterOrigin = 'title';
 +
TransChapter = TransTitle;
 +
ChapterURL = URL;
 +
ChapterUrlAccess = UrlAccess;
 +
 
 +
if not is_set (ChapterURL) and is_set (TitleLink) then
 +
Chapter = make_wikilink (TitleLink, Chapter);
 +
end
 +
Title = Periodical;
 +
ChapterFormat = Format;
 +
Periodical = ''; -- redundant so unset
 +
TransTitle = '';
 +
URL = '';
 +
Format = '';
 +
TitleLink = '';
 +
ScriptTitle = '';
 +
end
 +
elseif is_set (Chapter) then -- |title not set
 +
Title = Periodical; -- |encyclopedia set and |article set so map |encyclopedia to |title
 +
Periodical = ''; -- redundant so unset
 
end
 
end
−
elseif is_set(OriginalURL) then
 
−
local arch_text = cfg.messages['archived-dead'];
 
−
if sepc ~= "." then arch_text = arch_text:lower() end
 
−
Archived = sepc .. " " .. substitute( arch_text,
 
−
{ external_link( OriginalURL, cfg.messages['original'] ) .. OriginalFormat, ArchiveDate } ); -- format already styled
 
−
else
 
−
local arch_text = cfg.messages['archived-missing'];
 
−
if sepc ~= "." then arch_text = arch_text:lower() end
 
−
Archived = sepc .. " " .. substitute( arch_text,
 
−
{ set_error('archive_missing_url'), ArchiveDate } );
 
 
end
 
end
−
elseif is_set (ArchiveFormat) then
 
−
Archived = ArchiveFormat; -- if set and ArchiveURL not set ArchiveFormat has error message
 
−
else
 
−
Archived = ""
 
 
end
 
end
−
+
 
−
local Lay = '';
+
-- Special case for cite techreport.
−
if is_set(LayURL) then
+
if (config.CitationClass == "techreport") then -- special case for cite techreport
−
if is_set(LayDate) then LayDate = " (" .. LayDate .. ")" end
+
if is_set(A['Number']) then -- cite techreport uses 'number', which other citations alias to 'issue'
−
if is_set(LaySource) then  
+
if not is_set(ID) then -- can we use ID for the "number"?
−
LaySource = " &ndash; ''" .. safe_for_italics(LaySource) .. "''";
+
ID = A['Number']; -- yes, use it
−
else
+
else -- ID has a value so emit error message
−
LaySource = "";
+
table.insert( z.message_tail, { set_error('redundant_parameters', {wrap_style ('parameter', 'id') .. ' and ' .. wrap_style ('parameter', 'number')}, true )});
−
end
+
end
−
if sepc == '.' then
+
end
−
Lay = sepc .. " " .. external_link( LayURL, cfg.messages['lay summary'] ) .. LayFormat .. LaySource .. LayDate
 
−
else
 
−
Lay = sepc .. " " .. external_link( LayURL, cfg.messages['lay summary']:lower() ) .. LayFormat .. LaySource .. LayDate
 
−
end
 
−
elseif is_set (LayFormat) then -- Test if |lay-format= is given without giving a |lay-url=
 
−
Lay = sepc .. LayFormat; -- if set and LayURL not set, then LayFormat has error message
 
 
end
 
end
  
−
if is_set(Transcript) then
+
-- special case for cite mailing list
−
if is_set(TranscriptURL) then
+
if (config.CitationClass == "mailinglist") then
−
Transcript = external_link( TranscriptURL, Transcript );
+
Periodical = A ['MailingList'];
−
end
+
elseif 'mailinglist' == Periodical_origin then
−
Transcript = sepc .. ' ' .. Transcript .. TranscriptFormat;
+
Periodical = ''; -- unset because mailing list is only used for cite mailing list
−
elseif is_set(TranscriptURL) then
 
−
Transcript = external_link( TranscriptURL, nil, TranscriptURLorigin );
 
 
end
 
end
  
−
local Publisher;
+
-- Account for the oddity that is {{cite conference}}, before generation of COinS data.
−
if is_set(Periodical) and
+
if 'conference' == config.CitationClass then
−
not in_array(config.CitationClass, {"encyclopaedia","web","pressrelease","podcast"}) then
+
if is_set(BookTitle) then
−
if is_set(PublisherName) then
+
Chapter = Title;
−
if is_set(PublicationPlace) then
+
-- ChapterLink = TitleLink; -- |chapterlink= is deprecated
−
Publisher = PublicationPlace .. ": " .. PublisherName;
+
ChapterURL = URL;
−
else
+
ChapterUrlAccess = UrlAccess;
−
Publisher = PublisherName; 
+
ChapterURLorigin = URLorigin;
−
end
+
URLorigin = '';
−
elseif is_set(PublicationPlace) then
+
ChapterFormat = Format;
−
Publisher= PublicationPlace;
+
TransChapter = TransTitle;
−
else
+
Title = BookTitle;
−
Publisher = "";
+
Format = '';
−
end
+
-- TitleLink = '';
−
if is_set(PublicationDate) then
+
TransTitle = '';
−
if is_set(Publisher) then
+
URL = '';
−
Publisher = Publisher .. ", " .. wrap_msg ('published', PublicationDate);
 
−
else
 
−
Publisher = PublicationDate;
 
−
end
 
−
end
 
−
if is_set(Publisher) then
 
−
Publisher = " (" .. Publisher .. ")";
 
−
end
 
−
else
 
−
if is_set(PublicationDate) then
 
−
PublicationDate = " (" .. wrap_msg ('published', PublicationDate) .. ")";
 
−
end
 
−
if is_set(PublisherName) then
 
−
if is_set(PublicationPlace) then
 
−
Publisher = sepc .. " " .. PublicationPlace .. ": " .. PublisherName .. PublicationDate;
 
−
else
 
−
Publisher = sepc .. " " .. PublisherName .. PublicationDate;
 
−
end
 
−
elseif is_set(PublicationPlace) then
 
−
Publisher= sepc .. " " .. PublicationPlace .. PublicationDate;
 
−
else
 
−
Publisher = PublicationDate;
 
−
end
 
−
end
 
−
 
−
-- Several of the above rely upon detecting this as nil, so do it last.
 
−
if is_set(Periodical) then
 
−
if is_set(Title) or is_set(TitleNote) then
 
−
Periodical = sepc .. " " .. wrap_style ('italic-title', Periodical)
 
−
else
 
−
Periodical = wrap_style ('italic-title', Periodical)
 
 
end
 
end
 +
elseif 'speech' ~= config.CitationClass then
 +
Conference = ''; -- not cite conference or cite speech so make sure this is empty string
 
end
 
end
  
−
--[[
+
-- cite map oddities
−
Handle the oddity that is cite speech.  This code overrides whatever may be the value assigned to TitleNote (through |department=) and forces it to be " (Speech)" so that
+
local Cartography = "";
−
the annotation directly follows the |title= parameter value in the citation rather than the |event= parameter value (if provided).
+
local Scale = "";
−
]]
+
local Sheet = A['Sheet'] or '';
−
if "speech" == config.CitationClass then -- cite speech only
+
local Sheets = A['Sheets'] or '';
−
TitleNote = " (Speech)"; -- annotate the citation
+
if config.CitationClass == "map" then
−
if is_set (Periodical) then -- if Periodical, perhaps because of an included |website= or |journal= parameter
+
Chapter = A['Map'];
−
if is_set (Conference) then -- and if |event= is set
+
ChapterURL = A['MapURL'];
−
Conference = Conference .. sepc .. " "; -- then add appropriate punctuation to the end of the Conference variable before rendering
+
ChapterUrlAccess = MapUrlAccess;
−
end
+
TransChapter = A['TransMap'];
 +
ChapterURLorigin = A:ORIGIN('MapURL');
 +
ChapterFormat = A['MapFormat'];
 +
 +
Cartography = A['Cartography'];
 +
if is_set( Cartography ) then
 +
Cartography = sepc .. " " .. wrap_msg ('cartography', Cartography, use_lowercase);
 +
end
 +
Scale = A['Scale'];
 +
if is_set( Scale ) then
 +
Scale = sepc .. " " .. Scale;
 
end
 
end
 
end
 
end
  
−
-- Piece all bits together at last.  Here, all should be non-nil.
+
-- Account for the oddities that are {{cite episode}} and {{cite serial}}, before generation of COinS data.
−
-- We build things this way because it is more efficient in LUA
+
if 'episode' == config.CitationClass or 'serial' == config.CitationClass then
−
-- not to keep reassigning to the same string variable over and over.
+
local AirDate = A['AirDate'];
 +
local SeriesLink = A['SeriesLink'];
 +
 
 +
link_title_ok (SeriesLink, A:ORIGIN ('SeriesLink'), Series, 'series'); -- check for wikimarkup in |series-link= or wikimarkup in |series= when |series-link= is set
  
−
local tcommon
+
local Network = A['Network'];
−
if in_array(config.CitationClass, {"journal","citation"}) and is_set(Periodical) then
+
local Station = A['Station'];
−
if is_set(Others) then Others = Others .. sepc .. " " end
+
local s, n = {}, {};
−
tcommon = safe_join( {Others, Title, TitleNote, Conference, Periodical, Format, TitleType, Series,
+
-- do common parameters first
−
Language, Edition, Publisher, Agency, Volume, Issue}, sepc );
+
if is_set(Network) then table.insert(n, Network); end
−
+
if is_set(Station) then table.insert(n, Station); end
−
elseif 'map' == config.CitationClass then -- special cases for cite map
+
ID = table.concat(n, sepc .. ' ');
−
if is_set (Chapter) then -- map in a book; TitleType is part of Chapter
 
−
tcommon = safe_join( {Title, Format, Edition, Scale, Series, Language, Cartography, Others, Publisher, Volume}, sepc );
 
−
elseif is_set (Periodical) then -- map in a periodical
 
−
tcommon = safe_join( {Title, TitleType, Format, Periodical, Scale, Series, Language, Cartography, Others, Publisher, Volume, Issue}, sepc );
 
−
else -- a sheet or stand-alone map
 
−
tcommon = safe_join( {Title, TitleType, Format, Edition, Scale, Series, Language, Cartography, Others, Publisher}, sepc );
 
−
end
 
 
 
−
elseif 'episode' == config.CitationClass then -- special case for cite episode
+
if not is_set (Date) and is_set (AirDate) then -- promote airdate to date
−
tcommon = safe_join( {Title, TitleNote, TitleType, Series, Transcript, Language, Edition, Publisher}, sepc );
+
Date = AirDate;
−
else -- all other CS1 templates
 
−
tcommon = safe_join( {Title, TitleNote, Conference, Periodical, Format, TitleType, Series, Language,
 
−
Volume, Issue, Others, Edition, Publisher, Agency}, sepc );
 
−
end
 
−
 
−
if #ID_list > 0 then
 
−
ID_list = safe_join( { sepc .. " ",  table.concat( ID_list, sepc .. " " ), ID }, sepc );
 
−
else
 
−
ID_list = ID;
 
−
end
 
−
 
−
local idcommon = safe_join( { ID_list, URL, Archived, AccessDate, Via, SubscriptionRequired, Lay, Quote }, sepc );
 
−
local text;
 
−
local pgtext = Position .. Sheet .. Page .. Pages .. At;
 
−
 
−
if is_set(Authors) then
 
−
if is_set(Coauthors) then
 
−
local sep = '; ';
 
−
if 'vanc' == NameListFormat then
 
−
sep = ', ';
 
−
end
 
−
Authors = Authors .. sep .. Coauthors;
 
 
end
 
end
−
if is_set(Date) then
+
 
−
Date = " ("..Date..")" .. OrigYear .. sepc .. " "
+
if 'episode' == config.CitationClass then -- handle the oddities that are strictly {{cite episode}}
−
elseif string.sub(Authors,-1,-1) == sepc then
+
local Season = A['Season'];
−
Authors = Authors .. " "
+
local SeriesNumber = A['SeriesNumber'];
−
else
+
 
−
Authors = Authors .. sepc .. " "
+
if is_set (Season) and is_set (SeriesNumber) then -- these are mutually exclusive so if both are set
−
end
+
table.insert( z.message_tail, { set_error( 'redundant_parameters', {wrap_style ('parameter', 'season') .. ' and ' .. wrap_style ('parameter', 'seriesno')}, true ) } ); -- add error message
−
if is_set(Editors) then
+
SeriesNumber = ''; -- unset; prefer |season= over |seriesno=
−
local in_text = " ";
 
−
local post_text = "";
 
−
if is_set(Chapter) then
 
−
in_text = in_text .. cfg.messages['in'] .. " "
 
−
else
 
−
if EditorCount <= 1 then
 
−
post_text = ", " .. cfg.messages['editor'];
 
−
else
 
−
post_text = ", " .. cfg.messages['editors'];
 
−
end
 
−
end
 
−
if (sepc ~= '.') then in_text = in_text:lower() end
 
−
Editors = in_text .. Editors .. post_text;
 
−
if (string.sub(Editors,-1,-1) == sepc) or (string.sub(Editors,-3,-1) == sepc .. ']]') then -- if last editor name ends with sepc char
 
−
Editors = Editors .. " "; -- don't add another
 
−
else
 
−
Editors = Editors .. sepc .. " " -- otherwise terninate the editor list
 
 
end
 
end
−
end
+
-- assemble a table of parts concatenated later into Series
−
text = safe_join( {Authors, Date, Chapter, Place, Editors, tcommon }, sepc );
+
if is_set(Season) then table.insert(s, wrap_msg ('season', Season, use_lowercase)); end
−
text = safe_join( {text, pgtext, idcommon}, sepc );
+
if is_set(SeriesNumber) then table.insert(s, wrap_msg ('seriesnum', SeriesNumber, use_lowercase)); end
−
elseif is_set(Editors) then
+
if is_set(Issue) then table.insert(s, wrap_msg ('episode', Issue, use_lowercase)); end
−
if is_set(Date) then
+
Issue = ''; -- unset because this is not a unique parameter
−
if EditorCount <= 1 then
+
−
Editors = Editors .. ", " .. cfg.messages['editor'];
+
Chapter = Title; -- promote title parameters to chapter
−
else
+
ScriptChapter = ScriptTitle;
−
Editors = Editors .. ", " .. cfg.messages['editors'];
+
ScriptChapterOrigin = 'title';
−
end
+
ChapterLink = TitleLink; -- alias episodelink
−
Date = " (" .. Date ..")" .. OrigYear .. sepc .. " "
+
TransChapter = TransTitle;
−
else
+
ChapterURL = URL;
−
if EditorCount <= 1 then
+
ChapterUrlAccess = UrlAccess;
−
Editors = Editors .. " (" .. cfg.messages['editor'] .. ")" .. sepc .. " "
+
ChapterURLorigin = A:ORIGIN('URL');
−
else
+
−
Editors = Editors .. " (" .. cfg.messages['editors'] .. ")" .. sepc .. " "
+
Title = Series; -- promote series to title
 +
TitleLink = SeriesLink;
 +
Series = table.concat(s, sepc .. ' '); -- this is concatenation of season, seriesno, episode number
 +
 
 +
if is_set (ChapterLink) and not is_set (ChapterURL) then -- link but not URL
 +
Chapter = make_wikilink (ChapterLink, Chapter);
 +
elseif is_set (ChapterLink) and is_set (ChapterURL) then -- if both are set, URL links episode;
 +
Series = make_wikilink (ChapterLink, Series);
 +
end
 +
URL = ''; -- unset
 +
TransTitle = '';
 +
ScriptTitle = '';
 +
 +
else -- now oddities that are cite serial
 +
Issue = ''; -- unset because this parameter no longer supported by the citation/core version of cite serial
 +
Chapter = A['Episode']; -- TODO: make |episode= available to cite episode someday?
 +
if is_set (Series) and is_set (SeriesLink) then
 +
Series = make_wikilink (SeriesLink, Series);
 
end
 
end
−
end
+
Series = wrap_style ('italic-title', Series); -- series is italicized
−
text = safe_join( {Editors, Date, Chapter, Place, tcommon}, sepc );
+
end
−
text = safe_join( {text, pgtext, idcommon}, sepc );
+
end
−
else
+
-- end of {{cite episode}} stuff
−
if is_set(Date) then
+
 
−
if ( string.sub(tcommon,-1,-1) ~= sepc )
+
-- Account for the oddities that are {{cite arxiv}}, {{cite biorxiv}}, {{cite citeseerx}}, {{cite ssrn}}, before generation of COinS data.
−
  then Date = sepc .." " .. Date .. OrigYear
+
do
−
  else Date = " " .. Date .. OrigYear
+
if in_array (config.CitationClass, {'arxiv', 'biorxiv', 'citeseerx', 'ssrn'}) then
 +
if not is_set (ID_list[config.CitationClass:upper()]) then -- |arxiv= or |eprint= required for cite arxiv; |biorxiv= & |citeseerx= required for their templates
 +
table.insert( z.message_tail, { set_error( config.CitationClass .. '_missing', {}, true ) } ); -- add error message
 
end
 
end
−
end
+
 
−
if config.CitationClass=="journal" and is_set(Periodical) then
+
Periodical = ({['arxiv'] = 'arXiv', ['biorxiv'] = bioRxiv, ['citeseerx'] = 'CiteSeerX', ['ssrn'] = 'Social Science Research Network'})[config.CitationClass];
−
text = safe_join( {Chapter, Place, tcommon}, sepc );
 
−
text = safe_join( {text, pgtext, Date, idcommon}, sepc );
 
−
else
 
−
text = safe_join( {Chapter, Place, tcommon, Date}, sepc );
 
−
text = safe_join( {text, pgtext, idcommon}, sepc );
 
 
end
 
end
 
end
 
end
−
 
−
if is_set(PostScript) and PostScript ~= sepc then
 
−
text = safe_join( {text, sepc}, sepc );  --Deals with italics, spaces, etc.
 
−
text = text:sub(1,-sepc:len()-1);
 
−
end
 
−
 
−
text = safe_join( {text, PostScript}, sepc );
 
  
−
-- Now enclose the whole thing in a <span/> element
+
-- handle type parameter for those CS1 citations that have default values
−
local options = {};
+
if in_array(config.CitationClass, {"AV-media-notes", "interview", "mailinglist", "map", "podcast", "pressrelease", "report", "techreport", "thesis"}) then
−
+
TitleType = set_titletype (config.CitationClass, TitleType);
−
if is_set(config.CitationClass) and config.CitationClass ~= "citation" then
+
if is_set(Degree) and "Thesis" == TitleType then -- special case for cite thesis
−
options.class = "citation " .. config.CitationClass;
+
TitleType = Degree .. ' ' .. cfg.title_types ['thesis']:lower();
−
else
 
−
options.class = "citation";
 
−
end
 
−
 
−
if is_set(Ref) and Ref:lower() ~= "none" then
 
−
local id = Ref
 
−
if ( "harv" == Ref ) then
 
−
local names = {} --table of last names & year
 
−
if #a > 0 then
 
−
for i,v in ipairs(a) do
 
−
names[i] = v.last
 
−
if i == 4 then break end
 
−
end
 
−
elseif #e > 0 then
 
−
for i,v in ipairs(e) do
 
−
names[i] = v.last
 
−
if i == 4 then break end
 
−
end
 
−
end
 
−
names[ #names + 1 ] = first_set(Year, anchor_year); -- Year first for legacy citations and for YMD dates that require disambiguation
 
−
id = anchor_id(names)
 
 
end
 
end
−
options.id = id;
 
 
end
 
end
−
+
 
−
if string.len(text:gsub("<span[^>/]*>.-</span>", ""):gsub("%b<>","")) <= 2 then
+
if is_set(TitleType) then -- if type parameter is specified
−
z.error_categories = {};
+
TitleType = substitute( cfg.messages['type'], TitleType); -- display it in parentheses
−
text = set_error('empty_citation');
+
-- TODO: Hack on TitleType to fix bunched parentheses problem
−
z.message_tail = {};
 
 
end
 
end
−
 
−
if is_set(options.id) then
 
−
text = '<span id="' .. mw.uri.anchorEncode(options.id) ..'" class="' .. mw.text.nowiki(options.class) .. '">' .. text .. "</span>";
 
−
else
 
−
text = '<span class="' .. mw.text.nowiki(options.class) .. '">' .. text .. "</span>";
 
−
end
 
  
−
local empty_span = '<span style="display:none;">&nbsp;</span>';
+
-- legacy: promote PublicationDate to Date if neither Date nor Year are set.
−
+
local Date_origin; -- to hold the name of parameter promoted to Date; required for date error messaging
−
-- Note: Using display: none on then COinS span breaks some clients.
+
 
−
local OCinS = '<span title="' .. OCinSoutput .. '" class="Z3988">' .. empty_span .. '</span>';
+
if not is_set (Date) then
−
text = text .. OCinS;
+
Date = Year; -- promote Year to Date
−
+
Year = nil; -- make nil so Year as empty string isn't used for CITEREF
−
if #z.message_tail ~= 0 then
+
if not is_set (Date) and is_set(PublicationDate) then -- use PublicationDate when |date= and |year= are not set
−
text = text .. " ";
+
Date = PublicationDate; -- promote PublicationDate to Date
−
for i,v in ipairs( z.message_tail ) do
+
PublicationDate = ''; -- unset, no longer needed
−
if is_set(v[1]) then
+
Date_origin = A:ORIGIN('PublicationDate'); -- save the name of the promoted parameter
−
if i == #z.message_tail then
+
else
−
text = text .. error_comment( v[1], v[2] );
+
Date_origin = A:ORIGIN('Year'); -- save the name of the promoted parameter
−
else
 
−
text = text .. error_comment( v[1] .. "; ", v[2] );
 
−
end
 
−
end
 
 
end
 
end
 +
else
 +
Date_origin = A:ORIGIN('Date'); -- not a promotion; name required for error messaging
 
end
 
end
  
−
if #z.maintenance_cats ~= 0 then
+
if PublicationDate == Date then PublicationDate = ''; end -- if PublicationDate is same as Date, don't display in rendered citation
−
text = text .. ' <span class="citation-comment" style="display:none; color:#33aa33">';
+
 
−
for _, v in ipairs( z.maintenance_cats ) do -- append maintenance categories
+
--[[
−
text = text .. v .. ' ([[:Category:' .. v ..'|link]])';
+
Go test all of the date-holding parameters for valid MOS:DATE format and make sure that dates are real dates. This must be done before we do COinS because here is where
−
end
+
we get the date used in the metadata.
−
text = text .. '</span>'; -- maintenance mesages (realy just the names of the categories for now)
 
−
end
 
 
 
−
no_tracking_cats = no_tracking_cats:lower();
+
Date validation supporting code is in Module:Citation/CS1/Date_validation
−
if in_array(no_tracking_cats, {"", "no", "false", "n"}) then
+
]]
−
for _, v in ipairs( z.error_categories ) do
+
do -- create defined block to contain local variables error_message, date_parameters_list, mismatch
−
text = text .. '[[Category:' .. v ..']]';
+
local error_message = '';
 +
-- AirDate has been promoted to Date so not necessary to check it
 +
local date_parameters_list = {
 +
['access-date'] = {val=AccessDate, name=A:ORIGIN ('AccessDate')},
 +
['archive-date'] = {val=ArchiveDate, name=A:ORIGIN ('ArchiveDate')},
 +
['date'] = {val=Date, name=Date_origin},
 +
['doi-broken-date'] = {val=DoiBroken, name=A:ORIGIN ('DoiBroken')},
 +
['embargo'] = {val=Embargo, name=A:ORIGIN ('Embargo')},
 +
['lay-date'] = {val=LayDate, name=A:ORIGIN ('LayDate')},
 +
['publication-date'] ={val=PublicationDate, name=A:ORIGIN ('PublicationDate')},
 +
['year'] = {val=Year, name=A:ORIGIN ('Year')},
 +
};
 +
anchor_year, Embargo, error_message = dates(date_parameters_list, COinS_date);
 +
 
 +
-- start temporary Julian / Gregorian calendar uncertainty categorization
 +
if COinS_date.inter_cal_cat then
 +
add_prop_cat ('jul_greg_uncertainty');
 
end
 
end
−
for _, v in ipairs( z.maintenance_cats ) do -- append maintenance categories
+
-- end temporary Julian / Gregorian calendar uncertainty categorization
−
text = text .. '[[Category:' .. v ..']]';
 
−
end
 
−
for _, v in ipairs( z.properties_cats ) do -- append maintenance categories
 
−
text = text .. '[[Category:' .. v ..']]';
 
−
end
 
−
end
 
−
 
−
return text
 
−
end
 
  
−
-- This is used by templates such as {{cite book}} to create the actual citation text.
+
if is_set (Year) and is_set (Date) then -- both |date= and |year= not normally needed;
−
function z.citation(frame)
+
local mismatch = year_date_check (Year, Date)
−
local pframe = frame:getParent()
+
if 0 == mismatch then -- |year= does not match a year-value in |date=
−
local validation;
+
if is_set (error_message) then -- if there is already an error message
−
+
error_message = error_message .. ', '; -- tack on this additional message
−
if nil ~= string.find (frame:getTitle(), 'sandbox', 1, true) then -- did the {{#invoke:}} use sandbox version?
+
end
−
cfg = mw.loadData ('Module:Citation/CS1/Configuration/sandbox'); -- load sandbox versions of Configuration and Whitelist and ...
+
error_message = error_message .. '&#124;year= / &#124;date= mismatch';
−
whitelist = mw.loadData ('Module:Citation/CS1/Whitelist/sandbox');
+
elseif 1 == mismatch then -- |year= matches year-value in |date=
−
validation = require ('Module:Citation/CS1/Date_validation/sandbox'); -- ... sandbox version of date validation code
+
add_maint_cat ('date_year');
−
 
+
end
−
else -- otherwise
+
end
−
cfg = mw.loadData ('Module:Citation/CS1/Configuration'); -- load live versions of Configuration and Whitelist and ...
+
−
whitelist = mw.loadData ('Module:Citation/CS1/Whitelist');
+
if not is_set(error_message) then -- error free dates only
−
validation = require ('Module:Citation/CS1/Date_validation'); -- ... live version of date validation code
+
local modified = false; -- flag
−
end
+
−
 
+
if is_set (DF) then -- if we need to reformat dates
−
dates = validation.dates; -- imported functions
+
modified = reformat_dates (date_parameters_list, DF, false); -- reformat to DF format, use long month names if appropriate
−
year_date_check = validation.year_date_check;
+
end
−
 
+
 
−
local args = {};
+
if true == date_hyphen_to_dash (date_parameters_list) then -- convert hyphens to dashes where appropriate
−
local suggestions = {};
+
modified = true;
−
local error_text, error_state;
+
add_maint_cat ('date_format'); -- hyphens were converted so add maint category
−
 
+
end
−
local config = {};
+
−
for k, v in pairs( frame.args ) do
+
-- for those wikis that can and want to have English date names translated to the local language,
−
config[k] = v;
+
-- uncomment these three lines.  Not supported by en.wiki (for obvious reasons)
−
args[k] = v;  
+
-- set date_name_xlate() second argument to true to translate English digits to local digits (will translate ymd dates)
−
end
+
-- if date_name_xlate (date_parameters_list, false) then
−
 
+
-- modified = true;
−
for k, v in pairs( pframe.args ) do
+
-- end
−
if v ~= '' then
+
 
−
if not validate( k ) then
+
if modified then -- if the date_parameters_list values were modified
−
error_text = "";
+
AccessDate = date_parameters_list['access-date'].val; -- overwrite date holding parameters with modified values
−
if type( k ) ~= 'string' then
+
ArchiveDate = date_parameters_list['archive-date'].val;
−
-- Exclude empty numbered parameters
+
Date = date_parameters_list['date'].val;
−
if v:match("%S+") ~= nil then
+
DoiBroken = date_parameters_list['doi-broken-date'].val;
−
error_text, error_state = set_error( 'text_ignored', {v}, true );
+
LayDate = date_parameters_list['lay-date'].val;
−
end
+
PublicationDate = date_parameters_list['publication-date'].val;
−
elseif validate( k:lower() ) then
+
end
−
error_text, error_state = set_error( 'parameter_ignored_suggest', {k, k:lower()}, true );
+
else
−
else
+
table.insert( z.message_tail, { set_error( 'bad_date', {error_message}, true ) } ); -- add this error message
−
if #suggestions == 0 then
+
end
−
suggestions = mw.loadData( 'Module:Citation/CS1/Suggestions' );
+
end -- end of do
−
end
+
 
−
if suggestions[ k:lower() ] ~= nil then
+
-- Account for the oddity that is {{cite journal}} with |pmc= set and |url= not set.  Do this after date check but before COInS.
−
error_text, error_state = set_error( 'parameter_ignored_suggest', {k, suggestions[ k:lower() ]}, true );
+
-- Here we unset Embargo if PMC not embargoed (|embargo= not set in the citation) or if the embargo time has expired. Otherwise, holds embargo date
−
else
+
Embargo = is_embargoed (Embargo);
−
error_text, error_state = set_error( 'parameter_ignored', {k}, true );
+
 
−
end
+
if config.CitationClass == "journal" and not is_set(URL) and is_set(ID_list['PMC']) then
−
end    
+
if not is_set (Embargo) then -- if not embargoed or embargo has expired
−
if error_text ~= '' then
+
URL=cfg.id_handlers['PMC'].prefix .. ID_list['PMC']; -- set url to be the same as the PMC external link if not embargoed
−
table.insert( z.message_tail, {error_text, error_state} );
+
URLorigin = cfg.id_handlers['PMC'].parameters[1]; -- set URLorigin to parameter name for use in error message if citation is missing a |title=
−
end
+
if is_set(AccessDate) then -- access date requires |url=; pmc created url is not |url=
 +
table.insert( z.message_tail, { set_error( 'accessdate_missing_url', {}, true ) } );
 +
AccessDate = ''; -- unset
 +
end
 +
 
 +
end
 +
end
 +
 
 +
-- At this point fields may be nil if they weren't specified in the template use.  We can use that fact.
 +
-- Test if citation has no title
 +
if not is_set(Title) and
 +
not is_set(TransTitle) and
 +
not is_set(ScriptTitle) then
 +
if 'episode' == config.CitationClass then -- special case for cite episode; TODO: is there a better way to do this?
 +
table.insert( z.message_tail, { set_error( 'citation_missing_title', {'series'}, true ) } );
 +
else
 +
table.insert( z.message_tail, { set_error( 'citation_missing_title', {'title'}, true ) } );
 +
end
 +
end
 +
 
 +
if 'none' == Title and
 +
in_array (config.CitationClass, {'journal', 'citation'}) and
 +
(is_set (Periodical) or is_set (ScriptPeriodical)) and
 +
('journal' == Periodical_origin or 'script-journal' == ScriptPeriodical_origin) then -- special case for journal cites
 +
Title = ''; -- set title to empty string
 +
add_maint_cat ('untitled');
 +
end
 +
 
 +
check_for_url ({ -- add error message when any of these parameters hold a URL
 +
['title']=Title,
 +
[A:ORIGIN('Chapter')]=Chapter,
 +
[Periodical_origin] = Periodical,
 +
[PublisherName_origin] = PublisherName
 +
});
 +
 
 +
-- COinS metadata (see <http://ocoins.info/>) for automated parsing of citation information.
 +
-- handle the oddity that is cite encyclopedia and {{citation |encyclopedia=something}}. Here we presume that
 +
-- when Periodical, Title, and Chapter are all set, then Periodical is the book (encyclopedia) title, Title
 +
-- is the article title, and Chapter is a section within the article.  So, we remap
 +
 +
local coins_chapter = Chapter; -- default assuming that remapping not required
 +
local coins_title = Title; -- et tu
 +
if 'encyclopaedia' == config.CitationClass or ('citation' == config.CitationClass and is_set (Encyclopedia)) then
 +
if is_set (Chapter) and is_set (Title) and is_set (Periodical) then -- if all are used then
 +
coins_chapter = Title; -- remap
 +
coins_title = Periodical;
 +
end
 +
end
 +
local coins_author = a; -- default for coins rft.au
 +
if 0 < #c then -- but if contributor list
 +
coins_author = c; -- use that instead
 +
end
 +
 
 +
-- this is the function call to COinS()
 +
local OCinSoutput = COinS({
 +
['Periodical'] = strip_apostrophe_markup (Periodical), -- no markup in the metadata
 +
['Encyclopedia'] = strip_apostrophe_markup (Encyclopedia),
 +
['Chapter'] = make_coins_title (coins_chapter, ScriptChapter), -- Chapter and ScriptChapter stripped of bold / italic wikimarkup
 +
['Degree'] = Degree; -- cite thesis only
 +
['Title'] = make_coins_title (coins_title, ScriptTitle), -- Title and ScriptTitle stripped of bold / italic wikimarkup
 +
['PublicationPlace'] = PublicationPlace,
 +
['Date'] = COinS_date.rftdate, -- COinS_date has correctly formatted date if Date is valid;
 +
['Season'] = COinS_date.rftssn,
 +
['Chron'] =  COinS_date.rftchron or (not COinS_date.rftdate and Date) or '', -- chron but if not set and invalid date format use Date; keep this last bit?
 +
['Series'] = Series,
 +
['Volume'] = Volume,
 +
['Issue'] = Issue,
 +
['Pages'] = coins_pages or get_coins_pages (first_set ({Sheet, Sheets, Page, Pages, At}, 5)), -- pages stripped of external links
 +
['Edition'] = Edition,
 +
['PublisherName'] = PublisherName, -- any apostrophe markup already removed
 +
['URL'] = first_set ({ChapterURL, URL}, 2),
 +
['Authors'] = coins_author,
 +
['ID_list'] = ID_list,
 +
['RawPage'] = this_page.prefixedText,
 +
}, config.CitationClass);
 +
 
 +
-- Account for the oddities that are {{cite arxiv}}, {{cite biorxiv}}, {{cite citeseerx}}, and {{cite ssrn}} AFTER generation of COinS data.
 +
if in_array (config.CitationClass, {'arxiv', 'biorxiv', 'citeseerx', 'ssrn'}) then -- we have set rft.jtitle in COinS to arXiv, bioRxiv, CiteSeerX, or ssrn now unset so it isn't displayed
 +
Periodical = ''; -- periodical not allowed in these templates; if article has been published, use cite journal
 +
end
 +
 
 +
-- special case for cite newsgroup.  Do this after COinS because we are modifying Publishername to include some static text
 +
if 'newsgroup' == config.CitationClass then
 +
if is_set (PublisherName) then
 +
PublisherName = substitute (cfg.messages['newsgroup'], external_link( 'news:' .. PublisherName, PublisherName, PublisherName_origin, nil ));
 +
end
 +
end
 +
 
 +
-- Now perform various field substitutions.
 +
-- We also add leading spaces and surrounding markup and punctuation to the
 +
-- various parts of the citation, but only when they are non-nil.
 +
local EditorCount; -- used only for choosing {ed.) or (eds.) annotation at end of editor name-list
 +
do
 +
local last_first_list;
 +
local control = {
 +
format = NameListFormat, -- empty string or 'vanc'
 +
maximum = nil, -- as if display-authors or display-editors not set
 +
lastauthoramp = LastAuthorAmp,
 +
page_name = this_page.text, -- get current page name so that we don't wikilink to it via editorlinkn
 +
mode = Mode
 +
};
 +
 
 +
do -- do editor name list first because the now unsupported coauthors used to modify control table
 +
control.maximum , editor_etal = get_display_names (A['DisplayEditors'], #e, 'editors', editor_etal);
 +
last_first_list, EditorCount = list_people(control, e, editor_etal);
 +
 
 +
if is_set (Editors) then
 +
Editors, editor_etal = name_has_etal (Editors, editor_etal, false, 'editors'); -- find and remove variations on et al.
 +
if editor_etal then
 +
Editors = Editors .. ' ' .. cfg.messages['et al']; -- add et al. to editors parameter beause |display-editors=etal
 +
EditorCount = 2; -- with et al., |editors= is multiple names; spoof to display (eds.) annotation
 +
else
 +
EditorCount = 2; -- we don't know but assume |editors= is multiple names; spoof to display (eds.) annotation
 +
end
 +
else
 +
Editors = last_first_list; -- either an author name list or an empty string
 +
end
 +
 
 +
if 1 == EditorCount and (true == editor_etal or 1 < #e) then -- only one editor displayed but includes etal then
 +
EditorCount = 2; -- spoof to display (eds.) annotation
 +
end
 +
end
 +
do -- now do interviewers
 +
control.maximum , interviewer_etal = get_display_names (A['DisplayInterviewers'], #interviewers_list, 'interviewers', interviewer_etal);
 +
Interviewers = list_people (control, interviewers_list, interviewer_etal);
 +
end
 +
do -- now do translators
 +
control.maximum , translator_etal = get_display_names (A['DisplayTranslators'], #t, 'translators', translator_etal);
 +
Translators = list_people (control, t, translator_etal);
 +
end
 +
do -- now do contributors
 +
control.maximum , contributor_etal = get_display_names (A['DisplayContributors'], #c, 'contributors', contributor_etal);
 +
Contributors = list_people (control, c, contributor_etal);
 +
end
 +
do -- now do authors
 +
control.maximum , author_etal = get_display_names (A['DisplayAuthors'], #a, 'authors', author_etal);
 +
 
 +
last_first_list = list_people(control, a, author_etal);
 +
 
 +
if is_set (Authors) then
 +
Authors, author_etal = name_has_etal (Authors, author_etal, false, 'authors'); -- find and remove variations on et al.
 +
if author_etal then
 +
Authors = Authors .. ' ' .. cfg.messages['et al']; -- add et al. to authors parameter
 +
end
 +
else
 +
Authors = last_first_list; -- either an author name list or an empty string
 +
end
 +
end -- end of do
 +
 +
if is_set (Authors) and is_set (Collaboration) then
 +
Authors = Authors .. ' (' .. Collaboration .. ')'; -- add collaboration after et al.
 +
end
 +
 
 +
end
 +
 
 +
-- apply |[xx-]format= styling; at the end, these parameters hold correctly styled format annotation,
 +
-- an error message if the associated url is not set, or an empty string for concatenation
 +
ArchiveFormat = style_format (ArchiveFormat, ArchiveURL, 'archive-format', 'archive-url');
 +
ConferenceFormat = style_format (ConferenceFormat, ConferenceURL, 'conference-format', 'conference-url');
 +
Format = style_format (Format, URL, 'format', 'url');
 +
LayFormat = style_format (LayFormat, LayURL, 'lay-format', 'lay-url');
 +
TranscriptFormat = style_format (TranscriptFormat, TranscriptURL, 'transcript-format', 'transcripturl');
 +
 
 +
-- special case for chapter format so no error message or cat when chapter not supported
 +
if not (in_array(config.CitationClass, {'web', 'news', 'journal', 'magazine', 'pressrelease', 'podcast', 'newsgroup', 'arxiv', 'biorxiv', 'citeseerx', 'ssrn'}) or
 +
('citation' == config.CitationClass and (is_set (Periodical) or is_set (ScriptPeriodical)) and not is_set (Encyclopedia))) then
 +
ChapterFormat = style_format (ChapterFormat, ChapterURL, 'chapter-format', 'chapter-url');
 +
end
 +
 
 +
if not is_set(URL) then
 +
if in_array(config.CitationClass, {"web","podcast", "mailinglist"}) or -- |url= required for cite web, cite podcast, and cite mailinglist
 +
('citation' == config.CitationClass and ('website' == Periodical_origin or 'script-website' == ScriptPeriodical_origin)) then -- and required for {{citation}} with |website= or |script-website=
 +
table.insert( z.message_tail, { set_error( 'cite_web_url', {}, true ) } );
 +
end
 +
 +
-- do we have |accessdate= without either |url= or |chapter-url=?
 +
if is_set(AccessDate) and not is_set(ChapterURL)then -- ChapterURL may be set when URL is not set;
 +
table.insert( z.message_tail, { set_error( 'accessdate_missing_url', {}, true ) } );
 +
AccessDate = '';
 +
end
 +
end
 +
 
 +
local OriginalURL, OriginalURLorigin, OriginalFormat, OriginalAccess;
 +
-- DeadURL = DeadURL:lower(); -- used later when assembling archived text
 +
UrlStatus = UrlStatus:lower(); -- used later when assembling archived text
 +
if is_set( ArchiveURL ) then
 +
if is_set (ChapterURL) then -- if chapter-url is set apply archive url to it
 +
OriginalURL = ChapterURL; -- save copy of source chapter's url for archive text
 +
OriginalURLorigin = ChapterURLorigin; -- name of chapter-url parameter for error messages
 +
OriginalFormat = ChapterFormat; -- and original |chapter-format=
 +
-- if 'no' ~= DeadURL then
 +
if 'live' ~= UrlStatus then
 +
ChapterURL = ArchiveURL -- swap-in the archive's url
 +
ChapterURLorigin = A:ORIGIN('ArchiveURL') -- name of archive-url parameter for error messages
 +
ChapterFormat = ArchiveFormat or ''; -- swap in archive's format
 +
ChapterUrlAccess = nil; -- restricted access levels do not make sense for archived urls
 +
end
 +
elseif is_set (URL) then
 +
OriginalURL = URL; -- save copy of original source URL
 +
OriginalURLorigin = URLorigin; -- name of url parameter for error messages
 +
OriginalFormat = Format; -- and original |format=
 +
OriginalAccess = UrlAccess;
 +
-- if 'no' ~= DeadURL then -- if URL set then archive-url applies to it
 +
if 'live' ~= UrlStatus then -- if URL set then archive-url applies to it
 +
URL = ArchiveURL -- swap-in the archive's url
 +
URLorigin = A:ORIGIN('ArchiveURL') -- name of archive url parameter for error messages
 +
Format = ArchiveFormat or ''; -- swap in archive's format
 +
UrlAccess = nil; -- restricted access levels do not make sense for archived urls
 +
end
 +
end
 +
end
 +
 
 +
if in_array(config.CitationClass, {'web','news','journal', 'magazine', 'pressrelease', 'podcast', 'newsgroup', 'arxiv', 'biorxiv', 'citeseerx', 'ssrn'}) or -- if any of the 'periodical' cites except encyclopedia
 +
('citation' == config.CitationClass and (is_set (Periodical) or is_set (ScriptPeriodical)) and not is_set (Encyclopedia)) then
 +
local chap_param;
 +
if is_set (Chapter) then -- get a parameter name from one of these chapter related meta-parameters
 +
chap_param = A:ORIGIN ('Chapter')
 +
elseif is_set (TransChapter) then
 +
chap_param = A:ORIGIN ('TransChapter')
 +
elseif is_set (ChapterURL) then
 +
chap_param = A:ORIGIN ('ChapterURL')
 +
elseif is_set (ScriptChapter) then
 +
chap_param = ScriptChapterOrigin;
 +
else is_set (ChapterFormat)
 +
chap_param = A:ORIGIN ('ChapterFormat')
 +
end
 +
 
 +
if is_set (chap_param) then -- if we found one
 +
table.insert( z.message_tail, { set_error( 'chapter_ignored', {chap_param}, true ) } ); -- add error message
 +
Chapter = ''; -- and set them to empty string to be safe with concatenation
 +
TransChapter = '';
 +
ChapterURL = '';
 +
ScriptChapter = '';
 +
ChapterFormat = '';
 +
end
 +
else -- otherwise, format chapter / article title
 +
local no_quotes = false; -- default assume that we will be quoting the chapter parameter value
 +
if is_set (Contribution) and 0 < #c then -- if this is a contribution with contributor(s)
 +
if in_array (Contribution:lower(), cfg.keywords.contribution) then -- and a generic contribution title
 +
no_quotes = true; -- then render it unquoted
 +
end
 +
end
 +
 
 +
Chapter = format_chapter_title (ScriptChapter, ScriptChapterOrigin, Chapter, TransChapter, ChapterURL, ChapterURLorigin, no_quotes, ChapterUrlAccess); -- Contribution is also in Chapter
 +
if is_set (Chapter) then
 +
Chapter = Chapter .. ChapterFormat ;
 +
if 'map' == config.CitationClass and is_set (TitleType) then
 +
Chapter = Chapter .. ' ' .. TitleType; -- map annotation here; not after title
 +
end
 +
Chapter = Chapter.. sepc .. ' ';
 +
elseif is_set (ChapterFormat) then -- |chapter= not set but |chapter-format= is so ...
 +
Chapter = ChapterFormat .. sepc .. ' '; -- ... ChapterFormat has error message, we want to see it
 +
end
 +
end
 +
 
 +
-- Format main title.
 +
if is_set (ArchiveURL) and mw.ustring.match (mw.ustring.lower(Title), cfg.special_case_translation['archived_copy']) then -- if title is 'Archived copy' (place holder added by bots that can't find proper title)
 +
add_maint_cat ('archived_copy'); -- add maintenance category before we modify the content of Title
 +
end
 +
 
 +
if Title:match ('^%(%(.*%)%)$') then -- if keep as written markup:
 +
Title= Title:gsub ('^%(%((.*)%)%)$', '%1') -- remove the markup
 +
else
 +
if '...' == Title:sub (-3) then -- if elipsis is the last three characters of |title=
 +
Title = Title:gsub ('(%.%.%.)%.+$', '%1'); -- limit the number of dots to three
 +
elseif not mw.ustring.find (Title, '%.%s*%a%.$') and -- end of title is not a 'dot-(optional space-)letter-dot' initialism ...
 +
not mw.ustring.find (Title, '%s+%a%.$') then -- ...and not a 'space-letter-dot' initial (''Allium canadense'' L.)
 +
Title = mw.ustring.gsub(Title, '%'..sepc..'$', ''); -- remove any trailing separator character; sepc and ms.ustring() here for languages that use multibyte separator characters
 +
end
 +
end
 +
 +
if in_array(config.CitationClass, {'web', 'news', 'journal', 'magazine', 'pressrelease', 'podcast', 'newsgroup', 'mailinglist', 'interview', 'arxiv', 'biorxiv', 'citeseerx', 'ssrn'}) or
 +
('citation' == config.CitationClass and (is_set (Periodical) or is_set (ScriptPeriodical)) and not is_set (Encyclopedia)) or
 +
('map' == config.CitationClass and (is_set (Periodical) or is_set (ScriptPeriodical))) then -- special case for cite map when the map is in a periodical treat as an article
 +
Title = kern_quotes (Title); -- if necessary, separate title's leading and trailing quote marks from Module provided quote marks
 +
Title = wrap_style ('quoted-title', Title);
 +
Title = script_concatenate (Title, ScriptTitle, 'script-title'); -- <bdi> tags, lang atribute, categorization, etc; must be done after title is wrapped
 +
TransTitle= wrap_style ('trans-quoted-title', TransTitle );
 +
elseif 'report' == config.CitationClass then -- no styling for cite report
 +
Title = script_concatenate (Title, ScriptTitle, 'script-title'); -- <bdi> tags, lang atribute, categorization, etc; must be done after title is wrapped
 +
TransTitle= wrap_style ('trans-quoted-title', TransTitle ); -- for cite report, use this form for trans-title
 +
else
 +
Title = wrap_style ('italic-title', Title);
 +
Title = script_concatenate (Title, ScriptTitle, 'script-title'); -- <bdi> tags, lang atribute, categorization, etc; must be done after title is wrapped
 +
TransTitle = wrap_style ('trans-italic-title', TransTitle);
 +
end
 +
 
 +
local TransError = "";
 +
if is_set(TransTitle) then
 +
if is_set(Title) then
 +
TransTitle = " " .. TransTitle;
 +
else
 +
TransError = " " .. set_error( 'trans_missing_title', {'title'} );
 +
end
 +
end
 +
 
 +
if is_set(Title) then
 +
if not is_set (TitleLink) and is_set (URL) then
 +
Title = external_link (URL, Title, URLorigin, UrlAccess) .. TransTitle .. TransError .. Format;
 +
URL = ''; -- unset these because no longer needed
 +
Format = "";
 +
elseif is_set (TitleLink) and not is_set (URL) then
 +
local ws_url;
 +
ws_url = wikisource_url_make (TitleLink); -- ignore ws_label return; not used here
 +
if ws_url then
 +
Title = external_link (ws_url, Title .. '&nbsp;', 'ws link in title-link'); -- space char after Title to move icon away from italic text; TODO: a better way to do this?
 +
Title = substitute (cfg.presentation['interwiki-icon'], {cfg.presentation['class-wikisource'], TitleLink, Title});
 +
Title = Title .. TransTitle .. TransError;
 +
else
 +
Title = make_wikilink (TitleLink, Title) .. TransTitle .. TransError;
 +
end
 +
else
 +
local ws_url, ws_label;
 +
ws_url, ws_label, L = wikisource_url_make (Title); -- make ws url from |title= interwiki link; link portion L becomes tool tip label
 +
if ws_url then
 +
Title = Title:gsub ('%b[]', ws_label); -- replace interwiki link with ws_label to retain markup
 +
Title = external_link (ws_url, Title .. '&nbsp;', 'ws link in title'); -- space char after Title to move icon away from italic text; TODO: a better way to do this?
 +
Title = substitute (cfg.presentation['interwiki-icon'], {cfg.presentation['class-wikisource'], L, Title});
 +
Title = Title .. TransTitle .. TransError;
 +
else
 +
Title = Title .. TransTitle .. TransError;
 +
end
 +
end
 +
else
 +
Title = TransTitle .. TransError;
 +
end
 +
 
 +
if is_set(Place) then
 +
Place = " " .. wrap_msg ('written', Place, use_lowercase) .. sepc .. " ";
 +
end
 +
 
 +
if is_set (Conference) then
 +
if is_set (ConferenceURL) then
 +
Conference = external_link( ConferenceURL, Conference, ConferenceURLorigin, nil );
 +
end
 +
Conference = sepc .. " " .. Conference .. ConferenceFormat;
 +
elseif is_set(ConferenceURL) then
 +
Conference = sepc .. " " .. external_link( ConferenceURL, nil, ConferenceURLorigin, nil );
 +
end
 +
 
 +
if not is_set(Position) then
 +
local Minutes = A['Minutes'];
 +
local Time = A['Time'];
 +
 
 +
if is_set(Minutes) then
 +
if is_set (Time) then
 +
table.insert( z.message_tail, { set_error( 'redundant_parameters', {wrap_style ('parameter', 'minutes') .. ' and ' .. wrap_style ('parameter', 'time')}, true ) } );
 +
end
 +
Position = " " .. Minutes .. " " .. cfg.messages['minutes'];
 +
else
 +
if is_set(Time) then
 +
local TimeCaption = A['TimeCaption']
 +
if not is_set(TimeCaption) then
 +
TimeCaption = cfg.messages['event'];
 +
if sepc ~= '.' then
 +
TimeCaption = TimeCaption:lower();
 +
end
 +
end
 +
Position = " " .. TimeCaption .. " " .. Time;
 +
end
 +
end
 +
else
 +
Position = " " .. Position;
 +
At = '';
 +
end
 +
 
 +
Page, Pages, Sheet, Sheets = format_pages_sheets (Page, Pages, Sheet, Sheets, config.CitationClass, Periodical_origin, sepc, NoPP, use_lowercase);
 +
 
 +
At = is_set(At) and (sepc .. " " .. At) or "";
 +
Position = is_set(Position) and (sepc .. " " .. Position) or "";
 +
if config.CitationClass == 'map' then
 +
local Section = A['Section'];
 +
local Sections = A['Sections'];
 +
local Inset = A['Inset'];
 +
 +
if is_set( Inset ) then
 +
Inset = sepc .. " " .. wrap_msg ('inset', Inset, use_lowercase);
 +
end
 +
 
 +
if is_set( Sections ) then
 +
Section = sepc .. " " .. wrap_msg ('sections', Sections, use_lowercase);
 +
elseif is_set( Section ) then
 +
Section = sepc .. " " .. wrap_msg ('section', Section, use_lowercase);
 +
end
 +
At = At .. Inset .. Section;
 +
end
 +
 
 +
if is_set (Language) then
 +
Language = language_parameter (Language); -- format, categories, name from ISO639-1, etc
 +
else
 +
Language=""; -- language not specified so make sure this is an empty string;
 +
--[[ TODO: need to extract the wrap_msg from language_parameter
 +
so that we can solve parentheses bunching problem with Format/Language/TitleType
 +
]]
 +
end
 +
 
 +
Others = is_set(Others) and (sepc .. " " .. Others) or "";
 +
 +
if is_set (Translators) then
 +
Others = safe_join ({sepc .. ' ', wrap_msg ('translated', Translators, use_lowercase), Others}, sepc);
 +
end
 +
if is_set (Interviewers) then
 +
Others = safe_join ({sepc .. ' ', wrap_msg ('interview', Interviewers, use_lowercase), Others}, sepc);
 +
end
 +
 +
TitleNote = is_set(TitleNote) and (sepc .. " " .. TitleNote) or "";
 +
if is_set (Edition) then
 +
if Edition:match ('%f[%a][Ee]d%.?$') or Edition:match ('%f[%a][Ee]dition$') then
 +
add_maint_cat ('extra_text', 'edition');
 +
end
 +
Edition = " " .. wrap_msg ('edition', Edition);
 +
else
 +
Edition = '';
 +
end
 +
 
 +
Series = is_set (Series) and wrap_msg ('series', {sepc, Series}) or ""; -- not the same as SeriesNum
 +
OrigYear = is_set (OrigYear) and wrap_msg ('origyear', OrigYear) or '';
 +
Agency = is_set (Agency) and wrap_msg ('agency', {sepc, Agency}) or "";
 +
Volume = format_volume_issue (Volume, Issue, config.CitationClass, Periodical_origin, sepc, use_lowercase);
 +
 
 +
------------------------------------ totally unrelated data
 +
Via = is_set (Via) and  wrap_msg ('via', Via) or '';
 +
 
 +
--[[
 +
Subscription implies paywall; Registration does not.  If both are used in a citation, the subscription required link
 +
note is displayed. There are no error messages for this condition.
 +
 +
]]
 +
if is_set (SubscriptionRequired) then
 +
SubscriptionRequired = sepc .. " " .. cfg.messages['subscription']; -- subscription required message
 +
elseif is_set (RegistrationRequired) then
 +
SubscriptionRequired = sepc .. " " .. cfg.messages['registration']; -- registration required message
 +
else
 +
SubscriptionRequired = ''; -- either or both might be set to something other than yes true y
 +
end
 +
 
 +
if is_set(AccessDate) then
 +
local retrv_text = " " .. cfg.messages['retrieved']
 +
 
 +
AccessDate = nowrap_date (AccessDate); -- wrap in nowrap span if date in appropriate format
 +
if (sepc ~= ".") then retrv_text = retrv_text:lower() end -- if mode is cs2, lower case
 +
AccessDate = substitute (retrv_text, AccessDate); -- add retrieved text
 +
 
 +
AccessDate = substitute (cfg.presentation['accessdate'], {sepc, AccessDate}); -- allow editors to hide accessdates
 +
end
 +
 +
if is_set(ID) then ID = sepc .." ".. ID; end
 +
  if "thesis" == config.CitationClass and is_set(Docket) then
 +
ID = sepc .." Docket ".. Docket .. ID;
 +
end
 +
  if "report" == config.CitationClass and is_set(Docket) then -- for cite report when |docket= is set
 +
ID = sepc .. ' ' .. Docket; -- overwrite ID even if |id= is set
 +
end
 +
 
 +
ID_list = build_id_list( ID_list, {IdAccessLevels=ID_access_levels, DoiBroken = DoiBroken, ASINTLD = ASINTLD, IgnoreISBN = IgnoreISBN, Embargo=Embargo, Class = Class} );
 +
 
 +
if is_set(URL) then
 +
URL = " " .. external_link( URL, nil, URLorigin, UrlAccess );
 +
end
 +
 
 +
if is_set(Quote) then
 +
if Quote:sub(1,1) == '"' and Quote:sub(-1,-1) == '"' then -- if first and last characters of quote are quote marks
 +
Quote = Quote:sub(2,-2); -- strip them off
 +
end
 +
Quote = sepc .." " .. wrap_style ('quoted-text', Quote ); -- wrap in <q>...</q> tags
 +
PostScript = ""; -- cs1|2 does not supply terminal punctuation when |quote= is set
 +
end
 +
 +
local Archived
 +
if is_set(ArchiveURL) then
 +
if not is_set(ArchiveDate) then
 +
ArchiveDate = set_error('archive_missing_date');
 +
end
 +
if "live" == UrlStatus then
 +
local arch_text = cfg.messages['archived'];
 +
if sepc ~= "." then arch_text = arch_text:lower() end
 +
Archived = sepc .. " " .. substitute( cfg.messages['archived-live'],
 +
{ external_link( ArchiveURL, arch_text, A:ORIGIN('ArchiveURL'), nil ) .. ArchiveFormat, ArchiveDate } );
 +
if not is_set(OriginalURL) then
 +
Archived = Archived .. " " .. set_error('archive_missing_url');  
 +
end
 +
elseif is_set(OriginalURL) then -- UrlStatus is empty, 'dead', 'unfit', 'usurped', 'bot: unknown'
 +
local arch_text = cfg.messages['archived-dead'];
 +
if sepc ~= "." then arch_text = arch_text:lower() end
 +
if in_array (UrlStatus, {'unfit', 'usurped', 'bot: unknown'}) then
 +
Archived = sepc .. " " .. 'Archived from the original on ' .. ArchiveDate; -- format already styled
 +
if 'bot: unknown' == UrlStatus then
 +
add_maint_cat ('bot:_unknown'); -- and add a category if not already added
 +
else
 +
add_maint_cat ('unfit'); -- and add a category if not already added
 +
end
 +
else -- UrlStatus is empty, 'dead'
 +
Archived = sepc .. " " .. substitute( arch_text,
 +
{ external_link( OriginalURL, cfg.messages['original'], OriginalURLorigin, OriginalAccess ) .. OriginalFormat, ArchiveDate } ); -- format already styled
 +
end
 +
else
 +
local arch_text = cfg.messages['archived-missing'];
 +
if sepc ~= "." then arch_text = arch_text:lower() end
 +
Archived = sepc .. " " .. substitute( arch_text,
 +
{ set_error('archive_missing_url'), ArchiveDate } );
 +
end
 +
elseif is_set (ArchiveFormat) then
 +
Archived = ArchiveFormat; -- if set and ArchiveURL not set ArchiveFormat has error message
 +
else
 +
Archived = ""
 +
end
 +
 +
local Lay = '';
 +
if is_set(LayURL) then
 +
if is_set(LayDate) then LayDate = " (" .. LayDate .. ")" end
 +
if is_set(LaySource) then
 +
LaySource = " &ndash; ''" .. safe_for_italics(LaySource) .. "''";
 +
else
 +
LaySource = "";
 +
end
 +
if sepc == '.' then
 +
Lay = sepc .. " " .. external_link( LayURL, cfg.messages['lay summary'], A:ORIGIN('LayURL'), nil ) .. LayFormat .. LaySource .. LayDate
 +
else
 +
Lay = sepc .. " " .. external_link( LayURL, cfg.messages['lay summary']:lower(), A:ORIGIN('LayURL'), nil ) .. LayFormat .. LaySource .. LayDate
 +
end
 +
elseif is_set (LayFormat) then -- Test if |lay-format= is given without giving a |lay-url=
 +
Lay = sepc .. LayFormat; -- if set and LayURL not set, then LayFormat has error message
 +
end
 +
 
 +
if is_set(Transcript) then
 +
if is_set(TranscriptURL) then
 +
Transcript = external_link( TranscriptURL, Transcript, TranscriptURLorigin, nil );
 +
end
 +
Transcript = sepc .. ' ' .. Transcript .. TranscriptFormat;
 +
elseif is_set(TranscriptURL) then
 +
Transcript = external_link( TranscriptURL, nil, TranscriptURLorigin, nil );
 +
end
 +
 
 +
local Publisher;
 +
if is_set(PublicationDate) then
 +
PublicationDate = wrap_msg ('published', PublicationDate);
 +
end
 +
if is_set(PublisherName) then
 +
if is_set(PublicationPlace) then
 +
Publisher = sepc .. " " .. PublicationPlace .. ": " .. PublisherName .. PublicationDate;
 +
else
 +
Publisher = sepc .. " " .. PublisherName .. PublicationDate; 
 +
end
 +
elseif is_set(PublicationPlace) then
 +
Publisher= sepc .. " " .. PublicationPlace .. PublicationDate;
 +
else
 +
Publisher = PublicationDate;
 +
end
 +
 +
-- Several of the above rely upon detecting this as nil, so do it last.
 +
if (is_set (Periodical) or is_set (ScriptPeriodical) or is_set (TransPeriodical)) then
 +
if is_set(Title) or is_set(TitleNote) then
 +
Periodical = sepc .. " " .. format_periodical (ScriptPeriodical, ScriptPeriodical_origin, Periodical, TransPeriodical);
 +
else
 +
Periodical = format_periodical (ScriptPeriodical, ScriptPeriodical_origin, Periodical, TransPeriodical);
 +
end
 +
end
 +
 
 +
--[[
 +
Handle the oddity that is cite speech.  This code overrides whatever may be the value assigned to TitleNote (through |department=) and forces it to be " (Speech)" so that
 +
the annotation directly follows the |title= parameter value in the citation rather than the |event= parameter value (if provided).
 +
]]
 +
if "speech" == config.CitationClass then -- cite speech only
 +
TitleNote = " (Speech)"; -- annotate the citation
 +
if is_set (Periodical) then -- if Periodical, perhaps because of an included |website= or |journal= parameter
 +
if is_set (Conference) then -- and if |event= is set
 +
Conference = Conference .. sepc .. " "; -- then add appropriate punctuation to the end of the Conference variable before rendering
 +
end
 +
end
 +
end
 +
 
 +
-- Piece all bits together at last.  Here, all should be non-nil.
 +
-- We build things this way because it is more efficient in LUA
 +
-- not to keep reassigning to the same string variable over and over.
 +
 
 +
local tcommon;
 +
local tcommon2; -- used for book cite when |contributor= is set
 +
 +
if in_array(config.CitationClass, {"journal","citation"}) and is_set(Periodical) then
 +
if is_set(Others) then Others = safe_join ({Others, sepc .. " "}, sepc) end -- add terminal punctuation & space; check for dup sepc; TODO why do we need to do this here?
 +
tcommon = safe_join( {Others, Title, TitleNote, Conference, Periodical, Format, TitleType, Series, Language, Edition, Publisher, Agency, Volume}, sepc );
 +
elseif in_array(config.CitationClass, {"book","citation"}) and not is_set(Periodical) then -- special cases for book cites
 +
if is_set (Contributors) then -- when we are citing foreword, preface, introduction, etc
 +
tcommon = safe_join( {Title, TitleNote}, sepc ); -- author and other stuff will come after this and before tcommon2
 +
tcommon2 = safe_join( {Conference, Periodical, Format, TitleType, Series, Language, Volume, Others, Edition, Publisher, Agency}, sepc );
 +
else
 +
tcommon = safe_join( {Title, TitleNote, Conference, Periodical, Format, TitleType, Series, Language, Volume, Others, Edition, Publisher, Agency}, sepc );
 +
end
 +
 
 +
elseif 'map' == config.CitationClass then -- special cases for cite map
 +
if is_set (Chapter) then -- map in a book; TitleType is part of Chapter
 +
tcommon = safe_join( {Title, Format, Edition, Scale, Series, Language, Cartography, Others, Publisher, Volume}, sepc );
 +
elseif is_set (Periodical) then -- map in a periodical
 +
tcommon = safe_join( {Title, TitleType, Format, Periodical, Scale, Series, Language, Cartography, Others, Publisher, Volume}, sepc );
 +
else -- a sheet or stand-alone map
 +
tcommon = safe_join( {Title, TitleType, Format, Edition, Scale, Series, Language, Cartography, Others, Publisher}, sepc );
 +
end
 +
 +
elseif 'episode' == config.CitationClass then -- special case for cite episode
 +
tcommon = safe_join( {Title, TitleNote, TitleType, Series, Language, Edition, Publisher}, sepc );
 +
 
 +
else -- all other CS1 templates
 +
tcommon = safe_join( {Title, TitleNote, Conference, Periodical, Format, TitleType, Series, Language,
 +
Volume, Others, Edition, Publisher, Agency}, sepc );
 +
end
 +
 +
if #ID_list > 0 then
 +
ID_list = safe_join( { sepc .. " ",  table.concat( ID_list, sepc .. " " ), ID }, sepc );
 +
else
 +
ID_list = ID;
 +
end
 +
 +
local idcommon;
 +
if 'audio-visual' == config.CitationClass or 'episode' == config.CitationClass then -- special case for cite AV media & cite episode position transcript
 +
idcommon = safe_join( { ID_list, URL, Archived, Transcript, AccessDate, Via, SubscriptionRequired, Lay, Quote }, sepc );
 +
else
 +
idcommon = safe_join( { ID_list, URL, Archived, AccessDate, Via, SubscriptionRequired, Lay, Quote }, sepc );
 +
end
 +
 +
local text;
 +
local pgtext = Position .. Sheet .. Sheets .. Page .. Pages .. At;
 +
 
 +
if is_set(Date) then
 +
if is_set (Authors) or is_set (Editors) then -- date follows authors or editors when authors not set
 +
Date = " (" .. Date ..")" .. OrigYear .. sepc .. " "; -- in paranetheses
 +
else -- neither of authors and editors set
 +
if (string.sub(tcommon,-1,-1) == sepc) then -- if the last character of tcommon is sepc
 +
Date = " " .. Date .. OrigYear; -- Date does not begin with sepc
 +
else
 +
Date = sepc .. " " .. Date .. OrigYear; -- Date begins with sepc
 +
end
 +
end
 +
end
 +
if is_set(Authors) then
 +
if (not is_set (Date)) then -- when date is set it's in parentheses; no Authors termination
 +
Authors = terminate_name_list (Authors, sepc); -- when no date, terminate with 0 or 1 sepc and a space
 +
end
 +
if is_set(Editors) then
 +
local in_text = " ";
 +
local post_text = "";
 +
if is_set(Chapter) and 0 == #c then
 +
in_text = in_text .. cfg.messages['in'] .. " "
 +
if (sepc ~= '.') then
 +
in_text = in_text:lower() -- lowercase for cs2
 +
end
 +
end
 +
if EditorCount <= 1 then
 +
post_text = " (" .. cfg.messages['editor'] .. ")"; -- be consistent with no-author, no-date case
 +
else
 +
post_text = " (" .. cfg.messages['editors'] .. ")";
 +
end
 +
Editors = terminate_name_list (in_text .. Editors .. post_text, sepc); -- terminate with 0 or 1 sepc and a space
 +
end
 +
if is_set (Contributors) then -- book cite and we're citing the intro, preface, etc
 +
local by_text = sepc .. ' ' .. cfg.messages['by'] .. ' ';
 +
if (sepc ~= '.') then by_text = by_text:lower() end -- lowercase for cs2
 +
Authors = by_text .. Authors; -- author follows title so tweak it here
 +
if is_set (Editors) and is_set (Date) then -- when Editors make sure that Authors gets terminated
 +
Authors = terminate_name_list (Authors, sepc); -- terminate with 0 or 1 sepc and a space
 +
end
 +
if (not is_set (Date)) then -- when date is set it's in parentheses; no Contributors termination
 +
Contributors = terminate_name_list (Contributors, sepc); -- terminate with 0 or 1 sepc and a space
 +
end
 +
text = safe_join( {Contributors, Date, Chapter, tcommon, Authors, Place, Editors, tcommon2, pgtext, idcommon }, sepc );
 +
else
 +
text = safe_join( {Authors, Date, Chapter, Place, Editors, tcommon, pgtext, idcommon }, sepc );
 +
end
 +
elseif is_set(Editors) then
 +
if is_set(Date) then
 +
if EditorCount <= 1 then
 +
Editors = Editors .. ", " .. cfg.messages['editor'];
 +
else
 +
Editors = Editors .. ", " .. cfg.messages['editors'];
 +
end
 +
else
 +
if EditorCount <= 1 then
 +
Editors = Editors .. " (" .. cfg.messages['editor'] .. ")" .. sepc .. " "
 +
else
 +
Editors = Editors .. " (" .. cfg.messages['editors'] .. ")" .. sepc .. " "
 +
end
 +
end
 +
text = safe_join( {Editors, Date, Chapter, Place, tcommon, pgtext, idcommon}, sepc );
 +
else
 +
if in_array(config.CitationClass, {"journal","citation"}) and is_set(Periodical) then
 +
text = safe_join( {Chapter, Place, tcommon, pgtext, Date, idcommon}, sepc );
 +
else
 +
text = safe_join( {Chapter, Place, tcommon, Date, pgtext, idcommon}, sepc );
 +
end
 +
end
 +
 +
if is_set(PostScript) and PostScript ~= sepc then
 +
text = safe_join( {text, sepc}, sepc ); --Deals with italics, spaces, etc.
 +
text = text:sub(1,-sepc:len()-1);
 +
end
 +
 +
text = safe_join( {text, PostScript}, sepc );
 +
 
 +
-- Now enclose the whole thing in a <cite/> element
 +
local options = {};
 +
 +
if is_set(config.CitationClass) and config.CitationClass ~= "citation" then
 +
options.class = config.CitationClass;
 +
options.class = "citation " .. config.CitationClass; -- class=citation required for blue highlight when used with |ref=
 +
else
 +
options.class = "citation";
 +
end
 +
 +
if is_set(Ref) and Ref:lower() ~= "none" then -- set reference anchor if appropriate
 +
local id = Ref
 +
if ('harv' == Ref ) then
 +
local namelist = {}; -- holds selected contributor, author, editor name list
 +
local year = first_set ({Year, anchor_year}, 2); -- Year first for legacy citations and for YMD dates that require disambiguation
 +
 
 +
if #c > 0 then -- if there is a contributor list
 +
namelist = c; -- select it
 +
elseif #a > 0 then -- or an author list
 +
namelist = a;
 +
elseif #e > 0 then -- or an editor list
 +
namelist = e;
 +
end
 +
if #namelist > 0 then -- if there are names in namelist
 +
id = anchor_id (namelist, year); -- go make the CITEREF anchor
 +
else
 +
id = ''; -- unset
 +
end
 +
end
 +
options.id = id;
 +
end
 +
 +
if string.len(text:gsub("<span[^>/]*>(.-)</span>", "%1"):gsub("%b<>","")) <= 2 then -- remove <span> tags and other html-like markup; then get length of what remains
 +
z.error_categories = {};
 +
text = set_error('empty_citation');
 +
z.message_tail = {};
 +
end
 +
 +
local render = {}; -- here we collect the final bits for concatenation into the rendered citation
 +
 
 +
if is_set(options.id) then -- here we wrap the rendered citation in <cite ...>...</cite> tags
 +
table.insert (render, substitute (cfg.presentation['cite-id'], {mw.uri.anchorEncode(options.id), mw.text.nowiki(options.class), text})); -- when |ref= is set
 +
else
 +
table.insert (render, substitute (cfg.presentation['cite'], {mw.text.nowiki(options.class), text})); -- all other cases
 +
end
 +
 
 +
table.insert (render, substitute (cfg.presentation['ocins'], {OCinSoutput})); -- append metadata to the citation
 +
 
 +
if 0 ~= #z.message_tail then
 +
table.insert (render, ' ');
 +
for i,v in ipairs( z.message_tail ) do
 +
if is_set(v[1]) then
 +
if i == #z.message_tail then
 +
table.insert (render, error_comment( v[1], v[2] ));
 +
else
 +
table.insert (render, error_comment( v[1] .. "; ", v[2] ));
 +
end
 +
end
 +
end
 +
end
 +
 
 +
if 0 ~= #z.maintenance_cats then
 +
local maint_msgs = {}; -- here we collect all of the maint messages
 +
for _, v in ipairs( z.maintenance_cats ) do -- append maintenance categories
 +
local maint = {}; -- here we assemble a maintenence message
 +
table.insert (maint, v); -- maint msg is the category name
 +
table.insert (maint, ' ('); -- open the link text
 +
table.insert (maint, make_wikilink (':Category:' .. v, 'link')); -- add the link
 +
table.insert (maint, ')'); -- and close it
 +
table.insert (maint_msgs, table.concat (maint)); -- assemble new maint message and add it to the maint_msgs table
 +
end
 +
table.insert (render, substitute (cfg.presentation['hidden-maint'], table.concat (maint_msgs, ' '))); -- wrap the group of maint message with proper presentation and save
 +
end
 +
 +
no_tracking_cats = no_tracking_cats:lower();
 +
if in_array(no_tracking_cats, {"", "no", "false", "n"}) then
 +
for _, v in ipairs( z.error_categories ) do
 +
table.insert (render, make_wikilink ('Category:' .. v));
 +
end
 +
for _, v in ipairs( z.maintenance_cats ) do -- append maintenance categories
 +
table.insert (render, make_wikilink ('Category:' .. v));
 +
end
 +
for _, v in ipairs( z.properties_cats ) do -- append properties categories
 +
table.insert (render, make_wikilink ('Category:' .. v));
 +
end
 +
end
 +
 
 +
return table.concat (render);
 +
end
 +
 
 +
 
 +
--[[--------------------------< V A L I D A T E >--------------------------------------------------------------
 +
 
 +
Looks for a parameter's name in one of several whitelists.
 +
 
 +
Parameters in the whitelist can have three values:
 +
true - active, supported parameters
 +
false - deprecated, supported parameters
 +
nil - unsupported parameters
 +
 +
]]
 +
 
 +
local function validate (name, cite_class)
 +
local name = tostring (name);
 +
local state;
 +
 +
if in_array (cite_class, {'arxiv', 'biorxiv', 'citeseerx', 'ssrn'}) then -- limited parameter sets allowed for these templates
 +
state = whitelist.limited_basic_arguments[name];
 +
if true == state then return true; end -- valid actively supported parameter
 +
if false == state then
 +
deprecated_parameter (name); -- parameter is deprecated but still supported
 +
return true;
 +
end
 +
 
 +
state = whitelist[cite_class .. '_basic_arguments'][name]; -- look in the parameter-list for the template identified by cite_class
 +
 
 +
if true == state then return true; end -- valid actively supported parameter
 +
if false == state then
 +
deprecated_parameter (name); -- parameter is deprecated but still supported
 +
return true;
 +
end
 +
-- limited enumerated parameters list
 +
name = name:gsub("%d+", "#" ); -- replace digit(s) with # (last25 becomes last#) (mw.ustring because non-Western 'local' digits)
 +
state = whitelist.limited_numbered_arguments[name];
 +
if true == state then return true; end -- valid actively supported parameter
 +
if false == state then
 +
deprecated_parameter (name); -- parameter is deprecated but still supported
 +
return true;
 +
end
 +
 
 +
return false; -- not supported because not found or name is set to nil
 +
end -- end limited parameter-set templates
 +
 +
state = whitelist.basic_arguments[name]; -- all other templates; all normal parameters allowed
 +
 +
if true == state then return true; end -- valid actively supported parameter
 +
if false == state then
 +
deprecated_parameter (name); -- parameter is deprecated but still supported
 +
return true;
 +
end
 +
-- all enumerated parameters allowed
 +
name = name:gsub("%d+", "#" ); -- replace digit(s) with # (last25 becomes last#) (mw.ustring because non-Western 'local' digits)
 +
state = whitelist.numbered_arguments[name];
 +
 
 +
if true == state then return true; end -- valid actively supported parameter
 +
if false == state then
 +
deprecated_parameter (name); -- parameter is deprecated but still supported
 +
return true;
 +
end
 +
 +
return false; -- not supported because not found or name is set to nil
 +
end
 +
 
 +
 
 +
--[[--------------------------< M I S S I N G _ P I P E _ C H E C K >------------------------------------------
 +
 
 +
Look at the contents of a parameter. If the content has a string of characters and digits followed by an equal
 +
sign, compare the alphanumeric string to the list of cs1|2 parameters.  If found, then the string is possibly a
 +
parameter that is missing its pipe:
 +
{{cite ... |title=Title access-date=2016-03-17}}
 +
 
 +
cs1|2 shares some parameter names with xml/html atributes: class=, title=, etc.  To prevent false positives xml/html
 +
tags are removed before the search.
 +
 
 +
If a missing pipe is detected, this function adds the missing pipe maintenance category.
 +
 
 +
]]
 +
 
 +
local function missing_pipe_check (parameter, value)
 +
local capture;
 +
value = value:gsub ('%b<>', ''); -- remove xml/html tags because attributes: class=, title=, etc
 +
 
 +
capture = value:match ('%s+(%a[%w%-]+)%s*=') or value:match ('^(%a[%w%-]+)%s*='); -- find and categorize parameters with possible missing pipes
 +
if capture and validate (capture) then -- if the capture is a valid parameter name
 +
table.insert( z.message_tail, {set_error ('missing_pipe',parameter)});
 +
end
 +
end
 +
 
 +
 
 +
--[[--------------------------< H A S _ E X T R A N E O U S _ P U N C T >--------------------------------------
 +
 
 +
look for extraneous terminal punctuation in most parameter values; parameters listed in skip table are not checked
 +
 
 +
]]
 +
 
 +
local function has_extraneous_punc (param, value)
 +
if cfg.punct_skip[param] then
 +
return; -- parameter name found in the skip table so done
 +
end
 +
 +
if value:match ('[,;:]$') then
 +
add_maint_cat ('extra_punct'); -- has extraneous punctuation; add maint cat
 +
end
 +
end
 +
 
 +
 
 +
--[[--------------------------< C I T A T I O N >--------------------------------------------------------------
 +
 
 +
This is used by templates such as {{cite book}} to create the actual citation text.
 +
 
 +
]]
 +
 
 +
local function citation(frame)
 +
Frame = frame; -- save a copy incase we need to display an error message in preview mode
 +
local pframe = frame:getParent()
 +
local validation, utilities, identifiers, metadata, styles;
 +
 +
if nil ~= string.find (frame:getTitle(), 'sandbox', 1, true) then -- did the {{#invoke:}} use sandbox version?
 +
cfg = mw.loadData ('Module:Citation/CS1/Configuration/sandbox'); -- load sandbox versions of support modules
 +
whitelist = mw.loadData ('Module:Citation/CS1/Whitelist/sandbox');
 +
utilities = require ('Module:Citation/CS1/Utilities/sandbox');
 +
validation = require ('Module:Citation/CS1/Date_validation/sandbox');
 +
identifiers = require ('Module:Citation/CS1/Identifiers/sandbox');
 +
metadata = require ('Module:Citation/CS1/COinS/sandbox');
 +
styles = 'Module:Citation/CS1/sandbox/styles.css';
 +
 +
else -- otherwise
 +
cfg = mw.loadData ('Module:Citation/CS1/Configuration'); -- load live versions of support modules
 +
whitelist = mw.loadData ('Module:Citation/CS1/Whitelist');
 +
utilities = require ('Module:Citation/CS1/Utilities');
 +
validation = require ('Module:Citation/CS1/Date_validation');
 +
identifiers = require ('Module:Citation/CS1/Identifiers');
 +
metadata = require ('Module:Citation/CS1/COinS');
 +
styles = 'Module:Citation/CS1/styles.css';
 +
 
 +
end
 +
 
 +
utilities.set_selected_modules (cfg); -- so that functions in Utilities can see the cfg tables
 +
identifiers.set_selected_modules (cfg, utilities); -- so that functions in Identifiers can see the selected cfg tables and selected Utilities module
 +
validation.set_selected_modules (cfg, utilities); -- so that functions in Date validataion can see selected cfg tables and the selected Utilities module
 +
metadata.set_selected_modules (cfg, utilities); -- so that functions in COinS can see the selected cfg tables and selected Utilities module
 +
 
 +
dates = validation.dates; -- imported functions from Module:Citation/CS1/Date validation
 +
year_date_check = validation.year_date_check;
 +
reformat_dates = validation.reformat_dates;
 +
date_hyphen_to_dash = validation.date_hyphen_to_dash;
 +
date_name_xlate = validation.date_name_xlate;
 +
 
 +
is_set = utilities.is_set; -- imported functions from Module:Citation/CS1/Utilities
 +
in_array = utilities.in_array;
 +
substitute = utilities.substitute;
 +
error_comment = utilities.error_comment;
 +
set_error = utilities.set_error;
 +
select_one = utilities.select_one;
 +
add_maint_cat = utilities.add_maint_cat;
 +
wrap_style = utilities.wrap_style;
 +
safe_for_italics = utilities.safe_for_italics;
 +
is_wikilink = utilities.is_wikilink;
 +
make_wikilink = utilities.make_wikilink;
 +
strip_apostrophe_markup = utilities.strip_apostrophe_markup;
 +
 
 +
z = utilities.z; -- table of error and category tables in Module:Citation/CS1/Utilities
 +
 
 +
extract_ids = identifiers.extract_ids; -- imported functions from Module:Citation/CS1/Identifiers
 +
build_id_list = identifiers.build_id_list;
 +
is_embargoed = identifiers.is_embargoed;
 +
extract_id_access_levels = identifiers.extract_id_access_levels;
 +
 +
make_coins_title = metadata.make_coins_title; -- imported functions from Module:Citation/CS1/COinS
 +
get_coins_pages = metadata.get_coins_pages;
 +
COinS = metadata.COinS;
 +
 
 +
local args = {}; -- table where we store all of the template's arguments
 +
local suggestions = {}; -- table where we store suggestions if we need to loadData them
 +
local error_text, error_state;
 +
 
 +
local config = {}; -- table to store parameters from the module {{#invoke:}}
 +
for k, v in pairs( frame.args ) do
 +
config[k] = v;
 +
-- args[k] = v; -- debug tool that allows us to render a citation from module {{#invoke:}}
 +
end
 +
 
 +
local capture; -- the single supported capture when matching unknown parameters using patterns
 +
for k, v in pairs( pframe.args ) do
 +
if v ~= '' then
 +
if ('string' == type (k)) then
 +
k = mw.ustring.gsub (k, '%d', cfg.date_names.local_digits); -- for enumerated parameters, translate 'local' digits to Western 0-9
 +
end
 +
if not validate( k, config.CitationClass ) then
 +
error_text = "";
 +
if type( k ) ~= 'string' then
 +
-- Exclude empty numbered parameters
 +
if v:match("%S+") ~= nil then
 +
error_text, error_state = set_error( 'text_ignored', {v}, true );
 +
end
 +
elseif validate( k:lower(), config.CitationClass ) then
 +
error_text, error_state = set_error( 'parameter_ignored_suggest', {k, k:lower()}, true ); -- suggest the lowercase version of the parameter
 +
else
 +
if nil == suggestions.suggestions then -- if this table is nil then we need to load it
 +
if nil ~= string.find (frame:getTitle(), 'sandbox', 1, true) then -- did the {{#invoke:}} use sandbox version?
 +
suggestions = mw.loadData( 'Module:Citation/CS1/Suggestions/sandbox' ); -- use the sandbox version
 +
else
 +
suggestions = mw.loadData( 'Module:Citation/CS1/Suggestions' ); -- use the live version
 +
end
 +
end
 +
for pattern, param in pairs (suggestions.patterns) do -- loop through the patterns to see if we can suggest a proper parameter
 +
capture = k:match (pattern); -- the whole match if no caputre in pattern else the capture if a match
 +
if capture then -- if the pattern matches
 +
param = substitute (param, capture); -- add the capture to the suggested parameter (typically the enumerator)
 +
if validate (param, config.CitationClass) then -- validate the suggestion to make sure that the suggestion is supported by this template (necessary for limited parameter lists)
 +
error_text, error_state = set_error ('parameter_ignored_suggest', {k, param}, true); -- set the suggestion error message
 +
else
 +
error_text, error_state = set_error( 'parameter_ignored', {param}, true ); -- suggested param not supported by this template
 +
end
 +
end
 +
end
 +
if not is_set (error_text) then -- couldn't match with a pattern, is there an expicit suggestion?
 +
if suggestions.suggestions[ k:lower() ] ~= nil then
 +
error_text, error_state = set_error( 'parameter_ignored_suggest', {k, suggestions.suggestions[ k:lower() ]}, true );
 +
else
 +
error_text, error_state = set_error( 'parameter_ignored', {k}, true );
 +
v = ''; -- unset value assigned to unrecognized parameters (this for the limited parameter lists)
 +
end
 +
end
 +
end    
 +
if error_text ~= '' then
 +
table.insert( z.message_tail, {error_text, error_state} );
 +
end
 
end
 
end
 +
missing_pipe_check (k, v); -- do we think that there is a parameter that is missing a pipe?
 +
-- TODO: is this the best place for this translation?
 
args[k] = v;
 
args[k] = v;
−
elseif args[k] ~= nil or (k == 'postscript') then
+
elseif args[k] ~= nil or (k == 'postscript') then -- here when v is empty string
−
args[k] = v;
+
args[k] = v; -- why do we do this?  we don't support 'empty' parameters
 
end
 
end
 
end
 
end
−
+
 
−
return citation0( config, args)
+
for k, v in pairs( args ) do
 +
if 'string' == type (k) then -- don't evaluate positional parameters
 +
has_invisible_chars (k, v);
 +
has_extraneous_punc (k, v); -- look for extraneous terminal punctuation in parameter values
 +
end
 +
end
 +
return table.concat ({citation0( config, args), frame:extensionTag ('templatestyles', '', {src=styles})});
 
end
 
end
  
−
return z
+
--[[--------------------------< E X P O R T E D  F U N C T I O N S >------------------------------------------
 +
]]
 +
 
 +
return {citation = citation};

Latest revision as of 05:27, 24 September 2019

This module and associated sub-modules support the Citation Style 1 and Citation Style 2 citation templates. In general, it is not intended to be called directly, but is called by one of the core CS1 and CS2 templates.

These files comprise the module support for cs1|2 citation templates:

cs2 modules
  live sandbox description
sysop Module:Citation/CS1 Module:Citation/CS1/sandbox [edit] Rendering and support functions
Module:Citation/CS1/Configuration Module:Citation/CS1/Configuration/sandbox [edit] Translation tables; error and identifier handlers
Module:Citation/CS1/Whitelist Module:Citation/CS1/Whitelist/sandbox [edit] 2 parameters
Module:Citation/CS1/Date validation Module:Citation/CS1/Date validation/sandbox [edit] Date format validation functions
Module:Citation/CS1/Identifiers Module:Citation/CS1/Identifiers/sandbox [edit] Functions that support the named identifiers (isbn, doi, pmid, etc)
Module:Citation/CS1/Utilities Module:Citation/CS1/Utilities/sandbox [edit] Common functions and tables
Module:Citation/CS1/COinS Module:Citation/CS1/COinS/sandbox [edit] 2 template's metadata
auto confirmed Module:Citation/CS1/Suggestions Module:Citation/CS1/Suggestions/sandbox [edit] List that maps common erroneous parameter names to valid parameter names

Other documentation: 


--[[--------------------------< F O R W A R D   D E C L A R A T I O N S >--------------------------------------
]]

local dates, year_date_check, reformat_dates, date_hyphen_to_dash,				-- functions in Module:Citation/CS1/Date_validation
	date_name_xlate

local is_set, in_array, substitute, error_comment, set_error, select_one,		-- functions in Module:Citation/CS1/Utilities
	add_maint_cat, wrap_style, safe_for_italics, is_wikilink, make_wikilink,
	strip_apostrophe_markup;

local z ={};																	-- tables in Module:Citation/CS1/Utilities

local extract_ids, extract_id_access_levels, build_id_list, is_embargoed;		-- functions in Module:Citation/CS1/Identifiers

local make_coins_title, get_coins_pages, COinS;									-- functions in Module:Citation/CS1/COinS

local cfg = {};																	-- table of configuration tables that are defined in Module:Citation/CS1/Configuration
local whitelist = {};															-- table of tables listing valid template parameter names; defined in Module:Citation/CS1/Whitelist


--[[--------------------------< P A G E   S C O P E   V A R I A B L E S >--------------------------------------

delare variables here that have page-wide scope that are not brought in from other modules; thatare created here
and used here

]]

local added_deprecated_cat;														-- boolean flag so that the category is added only once
local added_prop_cats = {};														-- list of property categories that have been added to z.properties_cats
local added_vanc_errs;															-- boolean flag so we only emit one Vancouver error / category

local Frame;																	-- holds the module's frame table


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

Locates and returns the first set value in a table of values where the order established in the table,
left-to-right (or top-to-bottom), is the order in which the values are evaluated.  Returns nil if none are set.

This version replaces the original 'for _, val in pairs do' and a similar version that used ipairs.  With the pairs
version the order of evaluation could not be guaranteed.  With the ipairs version, a nil value would terminate
the for-loop before it reached the actual end of the list.

]]

local function first_set (list, count)
	local i = 1;
	while i <= count do															-- loop through all items in list
		if is_set( list[i] ) then
			return list[i];														-- return the first set list member
		end
		i = i + 1;																-- point to next
	end
end


--[[--------------------------< A D D _ P R O P _ C A T >--------------------------------------------------------

Adds a category to z.properties_cats using names from the configuration file with additional text if any.

foreign_lang_source and foreign_lang_source_2 keys have a language code appended to them so that multiple languages
may be categorized but multiples of the same language are not categorized.

added_prop_cats is a table declared in page scope variables above

]]

local function add_prop_cat (key, arguments)
	if not added_prop_cats [key] then
		added_prop_cats [key] = true;											-- note that we've added this category
		key = key:gsub ('(foreign_lang_source_?2?)%a%a%a?', '%1');				-- strip lang code from keyname
		table.insert( z.properties_cats, substitute (cfg.prop_cats [key], arguments));	-- make name then add to table
	end
end


--[[--------------------------< A D D _ V A N C _ E R R O R >----------------------------------------------------

Adds a single Vancouver system error message to the template's output regardless of how many error actually exist.
To prevent duplication, added_vanc_errs is nil until an error message is emitted.

added_vanc_errs is a boolean declared in page scope variables above

]]

local function add_vanc_error (source)
	if not added_vanc_errs then
		added_vanc_errs = true;													-- note that we've added this category
		table.insert( z.message_tail, { set_error( 'vancouver', {source}, true ) } );
	end
end


--[[--------------------------< I S _ S C H E M E >------------------------------------------------------------

does this thing that purports to be a uri scheme seem to be a valid scheme?  The scheme is checked to see if it
is in agreement with http://tools.ietf.org/html/std66#section-3.1 which says:
	Scheme names consist of a sequence of characters beginning with a
   letter and followed by any combination of letters, digits, plus
   ("+"), period ("."), or hyphen ("-").

returns true if it does, else false

]]

local function is_scheme (scheme)
	return scheme and scheme:match ('^%a[%a%d%+%.%-]*:');						-- true if scheme is set and matches the pattern
end


--[=[-------------------------< I S _ D O M A I N _ N A M E >--------------------------------------------------

Does this thing that purports to be a domain name seem to be a valid domain name?

Syntax defined here: http://tools.ietf.org/html/rfc1034#section-3.5
BNF defined here: https://tools.ietf.org/html/rfc4234
Single character names are generally reserved; see https://tools.ietf.org/html/draft-ietf-dnsind-iana-dns-01#page-15;
	see also [[Single-letter second-level domain]]
list of tlds: https://www.iana.org/domains/root/db

rfc952 (modified by rfc 1123) requires the first and last character of a hostname to be a letter or a digit.  Between
the first and last characters the name may use letters, digits, and the hyphen.

Also allowed are IPv4 addresses. IPv6 not supported

domain is expected to be stripped of any path so that the last character in the last character of the tld.  tld
is two or more alpha characters.  Any preceding '//' (from splitting a url with a scheme) will be stripped
here.  Perhaps not necessary but retained incase it is necessary for IPv4 dot decimal.

There are several tests:
	the first character of the whole domain name including subdomains must be a letter or a digit
	internationalized domain name (ascii characters with .xn-- ASCII Compatible Encoding (ACE) prefix xn-- in the tld) see https://tools.ietf.org/html/rfc3490
	single-letter/digit second-level domains in the .org, .cash, and .today TLDs
	q, x, and z SL domains in the .com TLD
	i and q SL domains in the .net TLD
	single-letter SL domains in the ccTLDs (where the ccTLD is two letters)
	two-character SL domains in gTLDs (where the gTLD is two or more letters)
	three-plus-character SL domains in gTLDs (where the gTLD is two or more letters)
	IPv4 dot-decimal address format; TLD not allowed

returns true if domain appears to be a proper name and tld or IPv4 address, else false

]=]

local function is_domain_name (domain)
	if not domain then
		return false;															-- if not set, abandon
	end
	
	domain = domain:gsub ('^//', '');											-- strip '//' from domain name if present; done here so we only have to do it once
	
	if not domain:match ('^[%w]') then											-- first character must be letter or digit
		return false;
	end

	if domain:match ('^%a+:') then												-- hack to detect things that look like s:Page:Title where Page: is namespace at wikisource
		return false;
	end

	local patterns = {															-- patterns that look like urls
		'%f[%w][%w][%w%-]+[%w]%.%a%a+$',										-- three or more character hostname.hostname or hostname.tld
		'%f[%w][%w][%w%-]+[%w]%.xn%-%-[%w]+$',									-- internationalized domain name with ACE prefix
		'%f[%a][qxz]%.com$',													-- assigned one character .com hostname (x.com times out 2015-12-10)
		'%f[%a][iq]%.net$',														-- assigned one character .net hostname (q.net registered but not active 2015-12-10)
		'%f[%w][%w]%.%a%a$',													-- one character hostname and cctld (2 chars)
		'%f[%w][%w][%w]%.%a%a+$',												-- two character hostname and tld
		'^%d%d?%d?%.%d%d?%d?%.%d%d?%d?%.%d%d?%d?',								-- IPv4 address
		}

	for _, pattern in ipairs (patterns) do										-- loop through the patterns list
		if domain:match (pattern) then
			return true;														-- if a match then we think that this thing that purports to be a url is a url
		end
	end

	for _, d in ipairs ({'cash', 'company', 'today', 'org'}) do					-- look for single letter second level domain names for these top level domains
		if domain:match ('%f[%w][%w]%.' .. d) then
			return true
		end
	end
	return false;																-- no matches, we don't know what this thing is
end


--[[--------------------------< I S _ U R L >------------------------------------------------------------------

returns true if the scheme and domain parts of a url appear to be a valid url; else false.

This function is the last step in the validation process.  This function is separate because there are cases that
are not covered by split_url(), for example is_parameter_ext_wikilink() which is looking for bracketted external
wikilinks.

]]

local function is_url (scheme, domain)
	if is_set (scheme) then														-- if scheme is set check it and domain
		return is_scheme (scheme) and is_domain_name (domain);
	else
		return is_domain_name (domain);											-- scheme not set when url is protocol relative
	end
end


--[[--------------------------< S P L I T _ U R L >------------------------------------------------------------

Split a url into a scheme, authority indicator, and domain.

First remove Fully Qualified Domain Name terminator (a dot following tld) (if any) and any path(/), query(?) or fragment(#).

If protocol relative url, return nil scheme and domain else return nil for both scheme and domain.

When not protocol relative, get scheme, authority indicator, and domain.  If there is an authority indicator (one
or more '/' characters immediately following the scheme's colon), make sure that there are only 2.

Strip off any port and path;

]]

local function split_url (url_str)
	local scheme, authority, domain;
	
	url_str = url_str:gsub ('([%a%d])%.?[/%?#].*$', '%1');						-- strip FQDN terminator and path(/), query(?), fragment (#) (the capture prevents false replacement of '//')

	if url_str:match ('^//%S*') then											-- if there is what appears to be a protocol relative url
		domain = url_str:match ('^//(%S*)')
	elseif url_str:match ('%S-:/*%S+') then										-- if there is what appears to be a scheme, optional authority indicator, and domain name
		scheme, authority, domain = url_str:match ('(%S-:)(/*)(%S+)');			-- extract the scheme, authority indicator, and domain portions
		authority = authority:gsub ('//', '', 1);								-- replace place 1 pair of '/' with nothing;
		if is_set(authority) then												-- if anything left (1 or 3+ '/' where authority should be) then
			return scheme;														-- return scheme only making domain nil which will cause an error message
		end
		domain = domain:gsub ('(%a):%d+', '%1');								-- strip port number if present
	end
	
	return scheme, domain;
end


--[[--------------------------< L I N K _ P A R A M _ O K >---------------------------------------------------

checks the content of |title-link=, |series-link=, |author-link= etc for properly formatted content: no wikilinks, no urls

Link parameters are to hold the title of a wikipedia article so none of the WP:TITLESPECIALCHARACTERS are allowed:
	# < > [ ] | { } _
except the underscore which is used as a space in wiki urls and # which is used for section links

returns false when the value contains any of these characters.

When there are no illegal characters, this function returns TRUE if value DOES NOT appear to be a valid url (the
|<param>-link= parameter is ok); else false when value appears to be a valid url (the |<param>-link= parameter is NOT ok).

]]

local function link_param_ok (value)
	local scheme, domain;
	if value:find ('[<>%[%]|{}]') then											-- if any prohibited characters
		return false;
	end

	scheme, domain = split_url (value);											-- get scheme or nil and domain or nil from url; 
	return not is_url (scheme, domain);											-- return true if value DOES NOT appear to be a valid url
end


--[[--------------------------< L I N K _ T I T L E _ O K >---------------------------------------------------

Use link_param_ok() to validate |<param>-link= value and its matching |<title>= value.

|<title>= may be wikilinked but not when |<param>-link= has a value.  This function emits an error message when
that condition exists

]]

local function link_title_ok (link, lorig, title, torig)
local orig;

	if is_set (link) then 														-- don't bother if <param>-link doesn't have a value
		if not link_param_ok (link) then										-- check |<param>-link= markup
			orig = lorig;														-- identify the failing link parameter
		elseif title:find ('%[%[') then											-- check |title= for wikilink markup
			orig = torig;														-- identify the failing |title= parameter
		end
	end

	if is_set (orig) then
		table.insert( z.message_tail, { set_error( 'bad_paramlink', orig)});	-- url or wikilink in |title= with |title-link=;
	end
end


--[[--------------------------< C H E C K _ U R L >------------------------------------------------------------

Determines whether a URL string appears to be valid.

First we test for space characters.  If any are found, return false.  Then split the url into scheme and domain
portions, or for protocol relative (//example.com) urls, just the domain.  Use is_url() to validate the two
portions of the url.  If both are valid, or for protocol relative if domain is valid, return true, else false.

Because it is different from a standard url, and because this module used external_link() to make external links
that work for standard and news: links, we validate newsgroup names here.  The specification for a newsgroup name
is at https://tools.ietf.org/html/rfc5536#section-3.1.4

]]

local function check_url( url_str )
	if nil == url_str:match ("^%S+$") then										-- if there are any spaces in |url=value it can't be a proper url
		return false;
	end
	local scheme, domain;

	scheme, domain = split_url (url_str);										-- get scheme or nil and domain or nil from url;
	
	if 'news:' == scheme then													-- special case for newsgroups
		return domain:match('^[%a%d%+%-_]+%.[%a%d%+%-_%.]*[%a%d%+%-_]$');
	end
	
	return is_url (scheme, domain);												-- return true if value appears to be a valid url
end


--[=[-------------------------< I S _ P A R A M E T E R _ E X T _ W I K I L I N K >----------------------------

Return true if a parameter value has a string that begins and ends with square brackets [ and ] and the first
non-space characters following the opening bracket appear to be a url.  The test will also find external wikilinks
that use protocol relative urls. Also finds bare urls.

The frontier pattern prevents a match on interwiki links which are similar to scheme:path urls.  The tests that
find bracketed urls are required because the parameters that call this test (currently |title=, |chapter=, |work=,
and |publisher=) may have wikilinks and there are articles or redirects like '//Hus' so, while uncommon, |title=[[//Hus]]
is possible as might be [[en://Hus]].

]=]

local function is_parameter_ext_wikilink (value)
local scheme, domain;

	if value:match ('%f[%[]%[%a%S*:%S+.*%]') then								-- if ext wikilink with scheme and domain: [xxxx://yyyyy.zzz]
		scheme, domain = split_url (value:match ('%f[%[]%[(%a%S*:%S+).*%]'));
	elseif value:match ('%f[%[]%[//%S+.*%]') then								-- if protocol relative ext wikilink: [//yyyyy.zzz]
		scheme, domain = split_url (value:match ('%f[%[]%[(//%S+).*%]'));
	elseif value:match ('%a%S*:%S+') then										-- if bare url with scheme; may have leading or trailing plain text
		scheme, domain = split_url (value:match ('(%a%S*:%S+)'));
	elseif value:match ('//%S+') then											-- if protocol relative bare url: //yyyyy.zzz; may have leading or trailing plain text
		scheme, domain = split_url (value:match ('(//%S+)'));					-- what is left should be the domain
	else
		return false;															-- didn't find anything that is obviously a url
	end

	return is_url (scheme, domain);												-- return true if value appears to be a valid url
end


--[[-------------------------< C H E C K _ F O R _ U R L >-----------------------------------------------------

loop through a list of parameters and their values.  Look at the value and if it has an external link, emit an error message.

]]

local function check_for_url (parameter_list)
local error_message = '';
	for k, v in pairs (parameter_list) do										-- for each parameter in the list
		if is_parameter_ext_wikilink (v) then									-- look at the value; if there is a url add an error message
			if is_set(error_message) then										-- once we've added the first portion of the error message ...
				error_message=error_message .. ", ";							-- ... add a comma space separator
			end
			error_message=error_message .. "&#124;" .. k .. "=";				-- add the failed parameter
		end
	end
	if is_set (error_message) then												-- done looping, if there is an error message, display it
		table.insert( z.message_tail, { set_error( 'param_has_ext_link', {error_message}, true ) } );
	end
end


--[[--------------------------< S A F E _ F O R _ U R L >------------------------------------------------------

Escape sequences for content that will be used for URL descriptions

]]

local function safe_for_url( str )
	if str:match( "%[%[.-%]%]" ) ~= nil then 
		table.insert( z.message_tail, { set_error( 'wikilink_in_url', {}, true ) } );
	end
	
	return str:gsub( '[%[%]\n]', {	
		['['] = '&#91;',
		[']'] = '&#93;',
		['\n'] = ' ' } );
end


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

Format an external link with error checking

]]

local function external_link( URL, label, source, access)
	local error_str = "";
	local domain;
	local path;
	local base_url;

	if not is_set( label ) then
		label = URL;
		if is_set( source ) then
			error_str = set_error( 'bare_url_missing_title', { wrap_style ('parameter', source) }, false, " " );
		else
			error( cfg.messages["bare_url_no_origin"] );
		end			
	end
	if not check_url( URL ) then
		error_str = set_error( 'bad_url', {wrap_style ('parameter', source)}, false, " " ) .. error_str;
	end
	
	domain, path = URL:match ('^([/%.%-%+:%a%d]+)([/%?#].*)$');					-- split the url into scheme plus domain and path
	if path then																-- if there is a path portion
		path = path:gsub ('[%[%]]', {['[']='%5b',[']']='%5d'});					-- replace '[' and ']' with their percent encoded values
		URL = table.concat ({domain, path});									-- and reassemble
	end

	base_url = table.concat({ "[", URL, " ", safe_for_url (label), "]" });		-- assemble a wikimarkup url

	if is_set (access) then														-- access level (subscription, registration, limited)
		base_url = substitute (cfg.presentation['ext-link-access-signal'], {cfg.presentation[access].class, cfg.presentation[access].title, base_url});	-- add the appropriate icon
	end
	
	return table.concat ({base_url, error_str});
end


--[[--------------------------< D E P R E C A T E D _ P A R A M E T E R >--------------------------------------

Categorize and emit an error message when the citation contains one or more deprecated parameters.  The function includes the
offending parameter name to the error message.  Only one error message is emitted regardless of the number of deprecated
parameters in the citation.

added_deprecated_cat is a boolean declared in page scope variables above

]]

local function deprecated_parameter(name)
	if not added_deprecated_cat then
		added_deprecated_cat = true;											-- note that we've added this category
		table.insert( z.message_tail, { set_error( 'deprecated_params', {name}, true ) } );	-- add error message
	end
end


--[=[-------------------------< K E R N _ Q U O T E S >--------------------------------------------------------

Apply kerning to open the space between the quote mark provided by the Module and a leading or trailing quote
mark contained in a |title= or |chapter= parameter's value.

This function will positive kern either single or double quotes:
	"'Unkerned title with leading and trailing single quote marks'"
	" 'Kerned title with leading and trailing single quote marks' " (in real life the kerning isn't as wide as this example)
Double single quotes (italic or bold wikimarkup) are not kerned.

Replaces unicode quotemarks in plain text or in the label portion of a [[L|D]] style wikilink with typewriter
quote marks regardless of the need for kerning.  Unicode quote marks are not replaced in simple [[D]] wikilinks.

Call this function for chapter titles, for website titles, etc; not for book titles.

]=]

local function kern_quotes (str)
	local cap='';
	local cap2='';
	local wl_type, label, link;

	wl_type, label, link = is_wikilink (str);									-- wl_type is: 0, no wl (text in label variable); 1, [[D]]; 2, [[L|D]]
	
	if 1 == wl_type then														-- [[D]] simple wikilink with or without quote marks
		if mw.ustring.match (str, '%[%[[\"“”\'‘’].+[\"“”\'‘’]%]%]') then		-- leading and trailing quote marks
			str = substitute (cfg.presentation['kern-wl-both'], str);
		elseif mw.ustring.match (str, '%[%[[\"“”\'‘’].+%]%]')	then			-- leading quote marks
			str = substitute (cfg.presentation['kern-wl-left'], str);
		elseif mw.ustring.match (str, '%[%[.+[\"“”\'‘’]%]%]') then				-- trailing quote marks
			str = substitute (cfg.presentation['kern-wl-right'], str);
		end

	else																		-- plain text or [[L|D]]; text in label variable
		label= mw.ustring.gsub (label, '[“”]', '\"');							-- replace “” (U+201C & U+201D) with " (typewriter double quote mark)
		label= mw.ustring.gsub (label, '[‘’]', '\'');							-- replace ‘’ (U+2018 & U+2019) with ' (typewriter single quote mark)

		cap, cap2 = mw.ustring.match (label, "^([\"\'])([^\'].+)");				-- match leading double or single quote but not doubled single quotes (italic markup)
		if is_set (cap) then
			label = substitute (cfg.presentation['kern-left'], {cap, cap2});
		end
	
		cap, cap2 = mw.ustring.match (label, "^(.+[^\'])([\"\'])$")				-- match trailing double or single quote but not doubled single quotes (italic markup)
		if is_set (cap) then
			label = substitute (cfg.presentation['kern-right'], {cap, cap2});
		end
		
		if 2 == wl_type then
			str = make_wikilink (link, label);									-- reassemble the wikilink
		else
			str = label;
		end
	end
	return str;
end


--[[--------------------------< F O R M A T _ S C R I P T _ V A L U E >----------------------------------------

|script-title= holds title parameters that are not written in Latin based scripts: Chinese, Japanese, Arabic, Hebrew, etc. These scripts should
not be italicized and may be written right-to-left.  The value supplied by |script-title= is concatenated onto Title after Title has been wrapped
in italic markup.

Regardless of language, all values provided by |script-title= are wrapped in <bdi>...</bdi> tags to isolate rtl languages from the English left to right.

|script-title= provides a unique feature.  The value in |script-title= may be prefixed with a two-character ISO639-1 language code and a colon:
	|script-title=ja:*** *** (where * represents a Japanese character)
Spaces between the two-character code and the colon and the colon and the first script character are allowed:
	|script-title=ja : *** ***
	|script-title=ja: *** ***
	|script-title=ja :*** ***
Spaces preceding the prefix are allowed: |script-title = ja:*** ***

The prefix is checked for validity.  If it is a valid ISO639-1 language code, the lang attribute (lang="ja") is added to the <bdi> tag so that browsers can
know the language the tag contains.  This may help the browser render the script more correctly.  If the prefix is invalid, the lang attribute
is not added.  At this time there is no error message for this condition.

Supports |script-title=, |script-chapter=, |script-<periodical>=

]]

local function format_script_value (script_value, script_param)
	local lang='';																-- initialize to empty string
	local name;
	if script_value:match('^%l%l%s*:') then										-- if first 3 non-space characters are script language prefix
		lang = script_value:match('^(%l%l)%s*:%s*%S.*');						-- get the language prefix or nil if there is no script
		if not is_set (lang) then
			table.insert( z.message_tail, { set_error( 'script_parameter', {script_param, 'missing title part'}, true ) } );		-- prefix without 'title'; add error message
			return '';															-- script_value was just the prefix so return empty string
		end
																				-- if we get this far we have prefix and script
		name = cfg.lang_code_remap[lang] or mw.language.fetchLanguageName( lang, "en" );	-- get language name so that we can use it to categorize
		if is_set (name) then													-- is prefix a proper ISO 639-1 language code?
			script_value = script_value:gsub ('^%l%l%s*:%s*', '');				-- strip prefix from script
																				-- is prefix one of these language codes?
			if in_array (lang, cfg.script_lang_codes) then
				add_prop_cat ('script_with_name', {name, lang})
			else
				table.insert( z.message_tail, { set_error( 'script_parameter', {script_param, 'unknown language code'}, true ) } );	-- unknown script-language; add error message
			end
			lang = ' lang="' .. lang .. '" ';									-- convert prefix into a lang attribute
		else
			table.insert( z.message_tail, { set_error( 'script_parameter', {script_param, 'invalid language code'}, true ) } );		-- invalid language code; add error message
			lang = '';															-- invalid so set lang to empty string
		end
	else
		table.insert( z.message_tail, { set_error( 'script_parameter', {script_param, 'missing prefix'}, true ) } );				-- no language code prefix; add error message
	end
	script_value = substitute (cfg.presentation['bdi'], {lang, script_value});	-- isolate in case script is rtl

	return script_value;
end


--[[--------------------------< S C R I P T _ C O N C A T E N A T E >------------------------------------------

Initially for |title= and |script-title=, this function concatenates those two parameter values after the script value has been 
wrapped in <bdi> tags.
]]

local function script_concatenate (title, script, script_param)
	if is_set (script) then
		script = format_script_value (script, script_param);					-- <bdi> tags, lang atribute, categorization, etc; returns empty string on error
		if is_set (script) then
			title = title .. ' ' .. script;										-- concatenate title and script title
		end
	end
	return title;
end


--[[--------------------------< W R A P _ M S G >--------------------------------------------------------------

Applies additional message text to various parameter values. Supplied string is wrapped using a message_list
configuration taking one argument.  Supports lower case text for {{citation}} templates.  Additional text taken
from citation_config.messages - the reason this function is similar to but separate from wrap_style().

]]

local function wrap_msg (key, str, lower)
	if not is_set( str ) then
		return "";
	end
	if true == lower then
		local msg;
		msg = cfg.messages[key]:lower();										-- set the message to lower case before 
		return substitute( msg, str );											-- including template text
	else
		return substitute( cfg.messages[key], str );
	end		
end


--[[--------------------------< W I K I S O U R C E _ U R L _ M A K E >----------------------------------------

makes a wikisource url from wikisource interwiki link.  returns the url and appropriate label; nil else.

str is the value assigned to |chapter= (or aliases) or |title= or |title-link=

]]

local function wikisource_url_make (str)
	local wl_type, D, L;
	local ws_url, ws_label;

	wl_type, D, L = is_wikilink (str);											-- wl_type is 0 (not a wikilink), 1 (simple wikilink), 2 (complex wikilink)

	if 0 == wl_type then														-- not a wikilink; might be from |title-link=
		str = D:match ('^[Ww]ikisource:(.+)') or D:match ('^[Ss]:(.+)');		-- article title from interwiki link with long-form or short-form namespace
		if is_set (str) then
			ws_url = table.concat ({											-- build a wikisource url
				'https://en.wikisource.org/wiki/',								-- prefix
				str,															-- article title
				});
			ws_label = str;														-- label for the url
		end
	elseif 1 == wl_type then														-- simple wikilink: [[Wikisource:ws article]]
		str = D:match ('^[Ww]ikisource:(.+)') or D:match ('^[Ss]:(.+)');		-- article title from interwiki link with long-form or short-form namespace
		if is_set (str) then
			ws_url = table.concat ({											-- build a wikisource url
				'https://en.wikisource.org/wiki/',								-- prefix
				str,															-- article title
				});
			ws_label = str;														-- label for the url
		end
	elseif 2 == wl_type then													-- non-so-simple wikilink: [[Wikisource:ws article|displayed text]] ([[L|D]])
		str = L:match ('^[Ww]ikisource:(.+)') or L:match ('^[Ss]:(.+)');		-- article title from interwiki link with long-form or short-form namespace
		if is_set (str) then
			ws_label = D;														-- get ws article name from display portion of interwiki link
			ws_url = table.concat ({											-- build a wikisource url
				'https://en.wikisource.org/wiki/',								-- prefix
				str,															-- article title without namespace from link portion of wikilink
				});
		end
	end
	
	if ws_url then
		ws_url = mw.uri.encode (ws_url, 'WIKI');								-- make a usable url
		ws_url = ws_url:gsub ('%%23', '#');										-- undo percent encoding of anchor
	end

	return ws_url, ws_label, L or D;											-- return proper url or nil and a label or nil
end


--[[--------------------------< F O R M A T _ P E R I O D I C A L >--------------------------------------------

Format the four periodical parameters: |script-<periodical>=, |<periodical>=, and |trans-<periodical>= into a single Periodical meta-
parameter.

]]

local function format_periodical (script_periodical, script_periodical_source, periodical, trans_periodical)
	local periodical_error = '';

	if not is_set (periodical) then
		periodical = '';														-- to be safe for concatenation
	else
		periodical = wrap_style ('italic-title', periodical);					-- style 
	end

	periodical = script_concatenate (periodical, script_periodical, script_periodical_source);	-- <bdi> tags, lang atribute, categorization, etc; must be done after title is wrapped

	if is_set (trans_periodical) then
		trans_periodical = wrap_style ('trans-italic-title', trans_periodical);
		if is_set (periodical) then
			periodical = periodical ..  ' ' .. trans_periodical;
		else																	-- here when transchapter without chapter or script-chapter
			periodical = trans_periodical;
			periodical_error = ' ' .. set_error ('trans_missing_title', {'periodical'});
		end
	end

	return periodical .. periodical_error;
end


--[[--------------------------< F O R M A T _ C H A P T E R _ T I T L E >--------------------------------------

Format the four chapter parameters: |script-chapter=, |chapter=, |trans-chapter=, and |chapter-url= into a single Chapter meta-
parameter (chapter_url_source used for error messages).

]]

local function format_chapter_title (scriptchapter, script_chapter_source, chapter, transchapter, chapterurl, chapter_url_source, no_quotes, access)
	local chapter_error = '';

	local ws_url, ws_label, L = wikisource_url_make (chapter);					-- make a wikisource url and label from a wikisource interwiki link
	if ws_url then
		ws_label = ws_label:gsub ('_', '');										-- replace underscore separaters with space characters
		chapter = ws_label;
	end

	if not is_set (chapter) then
		chapter = '';															-- to be safe for concatenation
	else
		if false == no_quotes then
			chapter = kern_quotes (chapter);									-- if necessary, separate chapter title's leading and trailing quote marks from Module provided quote marks
			chapter = wrap_style ('quoted-title', chapter);
		end
	end

	chapter = script_concatenate (chapter, scriptchapter, script_chapter_source);	-- <bdi> tags, lang atribute, categorization, etc; must be done after title is wrapped

	if is_set (chapterurl) then
		chapter = external_link (chapterurl, chapter, chapter_url_source, access);	-- adds bare_url_missing_title error if appropriate
	elseif ws_url then
		chapter = external_link (ws_url, chapter .. '&nbsp;', 'ws link in chapter');	-- adds bare_url_missing_title error if appropriate; space char to move icon away from chap text; TODO: better way to do this?
		chapter = substitute (cfg.presentation['interwiki-icon'], {cfg.presentation['class-wikisource'], L, chapter});				
	end

	if is_set (transchapter) then
		transchapter = wrap_style ('trans-quoted-title', transchapter);
		if is_set (chapter) then
			chapter = chapter ..  ' ' .. transchapter;
		else																	-- here when transchapter without chapter or script-chapter
			chapter = transchapter;
			chapter_error = ' ' .. set_error ('trans_missing_title', {'chapter'});
		end
	end

--	if is_set (chapterurl) then
--		chapter = external_link (chapterurl, chapter, chapter_url_source, access);	-- adds bare_url_missing_title error if appropriate
--	end

	return chapter .. chapter_error;
end


--[[--------------------------< H A S _ I N V I S I B L E _ C H A R S >----------------------------------------

This function searches a parameter's value for nonprintable or invisible characters.  The search stops at the
first match.

This function will detect the visible replacement character when it is part of the wikisource.

Detects but ignores nowiki and math stripmarkers.  Also detects other named stripmarkers (gallery, math, pre, ref)
and identifies them with a slightly different error message.  See also coins_cleanup().

Output of this function is an error message that identifies the character or the Unicode group, or the stripmarker
that was detected along with its position (or, for multi-byte characters, the position of its first byte) in the
parameter value.

]]

local function has_invisible_chars (param, v)
	local position = '';														-- position of invisible char or starting position of stripmarker
	local dummy;																-- end of matching string; not used but required to hold end position when a capture is returned
	local capture;																-- used by stripmarker detection to hold name of the stripmarker
	local i=1;
	local stripmarker, apostrophe;
	
	capture = string.match (v, '[%w%p ]*');										-- Test for values that are simple ASCII text and bypass other tests if true
	if capture == v then														-- if same there are no unicode characters
		return;
	end

	while cfg.invisible_chars[i] do
		local char=cfg.invisible_chars[i][1]									-- the character or group name
		local pattern=cfg.invisible_chars[i][2]									-- the pattern used to find it
		position, dummy, capture = mw.ustring.find (v, pattern)					-- see if the parameter value contains characters that match the pattern
		
		if position and (char == 'zero width joiner') then						-- if we found a zero width joiner character
			if mw.ustring.find (v, cfg.indic_script) then						-- its ok if one of the indic scripts
				position = nil;													-- unset position
			end
		end
		
		if position then
			if 'nowiki' == capture or 'math' == capture or						-- nowiki and math stripmarkers (not an error condition)
				('templatestyles' == capture and in_array (param, {'id', 'quote'})) then	-- templatestyles stripmarker allowed in these parameters
					stripmarker = true;											-- set a flag
			elseif true == stripmarker and 'delete' == char then				-- because stripmakers begin and end with the delete char, assume that we've found one end of a stripmarker
				position = nil;													-- unset
			else
				local err_msg;
				if capture then
					err_msg = capture .. ' ' .. char;
				else
					err_msg = char .. ' ' .. 'character';
				end

				table.insert( z.message_tail, { set_error( 'invisible_char', {err_msg, wrap_style ('parameter', param), position}, true ) } );	-- add error message
				return;															-- and done with this parameter
			end
		end
		i=i+1;																	-- bump our index
	end
end


--[[--------------------------< A R G U M E N T _ W R A P P E R >----------------------------------------------

Argument wrapper.  This function provides support for argument mapping defined in the configuration file so that
multiple names can be transparently aliased to single internal variable.

]]

local function argument_wrapper( args )
	local origin = {};
	
	return setmetatable({
		ORIGIN = function( self, k )
			local dummy = self[k]; --force the variable to be loaded.
			return origin[k];
		end
	},
	{
		__index = function ( tbl, k )
			if origin[k] ~= nil then
				return nil;
			end
			
			local args, list, v = args, cfg.aliases[k];
			
			if type( list ) == 'table' then
				v, origin[k] = select_one( args, list, 'redundant_parameters' );
				if origin[k] == nil then
					origin[k] = ''; -- Empty string, not nil
				end
			elseif list ~= nil then
				v, origin[k] = args[list], list;
			else
				-- maybe let through instead of raising an error?
				-- v, origin[k] = args[k], k;
				error( cfg.messages['unknown_argument_map'] .. ': ' .. k);
			end
			
			-- Empty strings, not nil;
			if v == nil then
				v = cfg.defaults[k] or '';
				origin[k] = '';
			end
			
			tbl = rawset( tbl, k, v );
			return v;
		end,
	});
end


--[[--------------------------< N O W R A P _ D A T E >--------------------------------------------------------

When date is YYYY-MM-DD format wrap in nowrap span: <span ...>YYYY-MM-DD</span>.  When date is DD MMMM YYYY or is
MMMM DD, YYYY then wrap in nowrap span: <span ...>DD MMMM</span> YYYY or <span ...>MMMM DD,</span> YYYY

DOES NOT yet support MMMM YYYY or any of the date ranges.

]]

local function nowrap_date (date)
	local cap='';
	local cap2='';

	if date:match("^%d%d%d%d%-%d%d%-%d%d$") then
		date = substitute (cfg.presentation['nowrap1'], date);
	
	elseif date:match("^%a+%s*%d%d?,%s+%d%d%d%d$") or date:match ("^%d%d?%s*%a+%s+%d%d%d%d$") then
		cap, cap2 = string.match (date, "^(.*)%s+(%d%d%d%d)$");
		date = substitute (cfg.presentation['nowrap2'], {cap, cap2});
	end
	
	return date;
end


--[[--------------------------< S E T _ T I T L E T Y P E >----------------------------------------------------

This function sets default title types (equivalent to the citation including |type=<default value>) for those templates that have defaults.
Also handles the special case where it is desirable to omit the title type from the rendered citation (|type=none).

]]

local function set_titletype (cite_class, title_type)
	if is_set(title_type) then
		if "none" == title_type then
			title_type = "";													-- if |type=none then type parameter not displayed
		end
		return title_type;														-- if |type= has been set to any other value use that value
	end

	return cfg.title_types [cite_class] or '';									-- set template's default title type; else empty string for concatenation
end


--[[--------------------------< H Y P H E N _ T O _ D A S H >--------------------------------------------------

Converts a hyphen to a dash under certain conditions.  The hyphen must separate like items; unlike items are
returned unmodified.  These forms are modified:
	letter - letter (A - B)
	digit - digit (4-5)
	digit separator digit - digit separator digit (4.1-4.5 or 4-1-4-5)
	letterdigit - letterdigit (A1-A5) (an optional separator between letter and digit is supported – a.1-a.5 or a-1-a-5)
	digitletter - digitletter (5a - 5d) (an optional separator between letter and digit is supported – 5.a-5.d or 5-a-5-d)

any other forms are returned unmodified.

str may be a comma- or semicolon-separated list

]]

local function hyphen_to_dash( str )
	if not is_set (str) then
		return str;
	end
	
	str, count = str:gsub ('^%(%((.+)%)%)$', '%1');								-- remove accept-this-as-written markup when it wraps all of str
	if 0 ~= count then															-- non-zero when markup removed; zero else
		return str;																-- nothing to do, we're done
	end
	
	str = str:gsub ('&[nm]dash;', {['&ndash;'] = '–', ['&mdash;'] = '—'});		-- replace &mdash; and &ndash; entities  with their characters; semicolon mucks up the text.split
	
	local out = {};
	local list = mw.text.split (str, '%s*[,;]%s*');								-- split str at comma or semicolon separators if there are any

	for _, item in ipairs (list) do												-- for each item in the list
		if mw.ustring.match (item, '^%w*[%.%-]?%w+%s*[%-–—]%s*%w*[%.%-]?%w+$') then	-- if a hyphenated range or has endash or emdash separators
			if item:match ('%a+[%.%-]?%d+%s*%-%s*%a+[%.%-]?%d+') or				-- letterdigit hyphen letterdigit (optional separator between letter and digit)
				item:match ('%d+[%.%-]?%a+%s*%-%s*%d+[%.%-]?%a+') or			-- digitletter hyphen digitletter (optional separator between digit and letter)
				item:match ('%d+[%.%-]%d+%s*%-%s*%d+[%.%-]%d+') or				-- digit separator digit hyphen digit separator digit
				item:match ('%d+%s*%-%s*%d+') or								-- digit hyphen digit
				item:match ('%a+%s*%-%s*%a+') then								-- letter hyphen letter
					item = item:gsub ('(%w*[%.%-]?%w+)%s*%-%s*(%w*[%.%-]?%w+)', '%1–%2');	-- replace hyphen, remove extraneous space characters
			else
				item = mw.ustring.gsub (item, '%s*[–—]%s*', '–');				-- for endash or emdash separated ranges, replace em with en, remove extraneous white space
			end
		end
		item = item:gsub ('^%(%((.+)%)%)$', '%1');								-- remove the accept-this-as-written markup
		table.insert (out, item);												-- add the (possibly modified) item to the output table
	end

	return table.concat (out, ', ');											-- concatenate the output table into a comma separated string
end


--[[--------------------------< S A F E _ J O I N >------------------------------------------------------------

Joins a sequence of strings together while checking for duplicate separation characters.

]]

local function safe_join( tbl, duplicate_char )
	local f = {};																-- create a function table appropriate to type of 'dupicate character'
		if 1 == #duplicate_char then											-- for single byte ascii characters use the string library functions
			f.gsub=string.gsub
			f.match=string.match
			f.sub=string.sub
		else																	-- for multi-byte characters use the ustring library functions
			f.gsub=mw.ustring.gsub
			f.match=mw.ustring.match
			f.sub=mw.ustring.sub
		end

	local str = '';																-- the output string
	local comp = '';															-- what does 'comp' mean?
	local end_chr = '';
	local trim;
	for _, value in ipairs( tbl ) do
		if value == nil then value = ''; end
		
		if str == '' then														-- if output string is empty
			str = value;														-- assign value to it (first time through the loop)
		elseif value ~= '' then
			if value:sub(1,1) == '<' then										-- Special case of values enclosed in spans and other markup.
				comp = value:gsub( "%b<>", "" );								-- remove html markup (<span>string</span> -> string)
			else
				comp = value;
			end
																				-- typically duplicate_char is sepc
			if f.sub(comp, 1,1) == duplicate_char then							-- is first character same as duplicate_char? why test first character?
																				--   Because individual string segments often (always?) begin with terminal punct for the
																				--   preceding segment: 'First element' .. 'sepc next element' .. etc?
				trim = false;
				end_chr = f.sub(str, -1,-1);									-- get the last character of the output string
				-- str = str .. "<HERE(enchr=" .. end_chr.. ")"					-- debug stuff?
				if end_chr == duplicate_char then								-- if same as separator
					str = f.sub(str, 1,-2);										-- remove it
				elseif end_chr == "'" then										-- if it might be wikimarkup
					if f.sub(str, -3,-1) == duplicate_char .. "''" then			-- if last three chars of str are sepc'' 
						str = f.sub(str, 1, -4) .. "''";						-- remove them and add back ''
					elseif  f.sub(str, -5,-1) == duplicate_char .. "]]''" then	-- if last five chars of str are sepc]]'' 
						trim = true;											-- why? why do this and next differently from previous?
					elseif f.sub(str, -4,-1) == duplicate_char .. "]''" then	-- if last four chars of str are sepc]'' 
						trim = true;											-- same question
					end
				elseif end_chr == "]" then										-- if it might be wikimarkup
					if f.sub(str, -3,-1) == duplicate_char .. "]]" then			-- if last three chars of str are sepc]] wikilink 
						trim = true;
					elseif f.sub(str, -3,-1) == duplicate_char .. '"]' then		-- if last three chars of str are sepc"] quoted external link 
						trim = true;
					elseif  f.sub(str, -2,-1) == duplicate_char .. "]" then		-- if last two chars of str are sepc] external link
						trim = true;
					elseif f.sub(str, -4,-1) == duplicate_char .. "'']" then	-- normal case when |url=something & |title=Title.
						trim = true;
					end
				elseif end_chr == " " then										-- if last char of output string is a space
					if f.sub(str, -2,-1) == duplicate_char .. " " then			-- if last two chars of str are <sepc><space>
						str = f.sub(str, 1,-3);									-- remove them both
					end
				end

				if trim then
					if value ~= comp then 										-- value does not equal comp when value contains html markup
						local dup2 = duplicate_char;
						if f.match(dup2, "%A" ) then dup2 = "%" .. dup2; end	-- if duplicate_char not a letter then escape it
						
						value = f.gsub(value, "(%b<>)" .. dup2, "%1", 1 )		-- remove duplicate_char if it follows html markup
					else
						value = f.sub(value, 2, -1 );							-- remove duplicate_char when it is first character
					end
				end
			end
			str = str .. value;													--add it to the output string
		end
	end
	return str;
end


--[[--------------------------< I S _ S U F F I X >------------------------------------------------------------

returns true is suffix is properly formed Jr, Sr, or ordinal in the range 2–9.  Puncutation not allowed.

]]

local function is_suffix (suffix)
	if in_array (suffix, {'Jr', 'Sr', '2nd', '3rd'}) or suffix:match ('^%dth$') then
		return true;
	end
	return false;
end


--[[--------------------------< I S _ G O O D _ V A N C _ N A M E >--------------------------------------------

For Vancouver Style, author/editor names are supposed to be rendered in Latin (read ASCII) characters.  When a name
uses characters that contain diacritical marks, those characters are to converted to the corresponding Latin character.
When a name is written using a non-Latin alphabet or logogram, that name is to be transliterated into Latin characters.
These things are not currently possible in this module so are left to the editor to do.

This test allows |first= and |last= names to contain any of the letters defined in the four Unicode Latin character sets
	[http://www.unicode.org/charts/PDF/U0000.pdf C0 Controls and Basic Latin] 0041–005A, 0061–007A
	[http://www.unicode.org/charts/PDF/U0080.pdf C1 Controls and Latin-1 Supplement] 00C0–00D6, 00D8–00F6, 00F8–00FF
	[http://www.unicode.org/charts/PDF/U0100.pdf Latin Extended-A] 0100–017F
	[http://www.unicode.org/charts/PDF/U0180.pdf Latin Extended-B] 0180–01BF, 01C4–024F

|lastn= also allowed to contain hyphens, spaces, and apostrophes. (http://www.ncbi.nlm.nih.gov/books/NBK7271/box/A35029/)
|firstn= also allowed to contain hyphens, spaces, apostrophes, and periods

This original test:
	if nil == mw.ustring.find (last, "^[A-Za-zÀ-ÖØ-öø-ƿDŽ-ɏ%-%s%']*$") or nil == mw.ustring.find (first, "^[A-Za-zÀ-ÖØ-öø-ƿDŽ-ɏ%-%s%'%.]+[2-6%a]*$") then
was written ouside of the code editor and pasted here because the code editor gets confused between character insertion point and cursor position.
The test has been rewritten to use decimal character escape sequence for the individual bytes of the unicode characters so that it is not necessary
to use an external editor to maintain this code.

	\195\128-\195\150 – À-Ö (U+00C0–U+00D6 – C0 controls)
	\195\152-\195\182 – Ø-ö (U+00D8-U+00F6 – C0 controls)
	\195\184-\198\191 – ø-ƿ (U+00F8-U+01BF – C0 controls, Latin extended A & B)
	\199\132-\201\143 – DŽ-ɏ (U+01C4-U+024F – Latin extended B)

]]

local function is_good_vanc_name (last, first)
	local first, suffix = first:match ('(.-),?%s*([%dJS][%drndth]+)%.?$') or first;	-- if first has something that looks like a generational suffix, get it

	if is_set (suffix) then
		if not is_suffix (suffix) then
			add_vanc_error ('suffix');
			return false;														-- not a name with an appropriate suffix
		end
	end
	if nil == mw.ustring.find (last, "^[A-Za-z\195\128-\195\150\195\152-\195\182\195\184-\198\191\199\132-\201\143%-%s%']*$") or
		nil == mw.ustring.find (first, "^[A-Za-z\195\128-\195\150\195\152-\195\182\195\184-\198\191\199\132-\201\143%-%s%'%.]*$") then
			add_vanc_error ('non-Latin character');
			return false;														-- not a string of latin characters; Vancouver requires Romanization
	end;
	return true;
end


--[[--------------------------< R E D U C E _ T O _ I N I T I A L S >------------------------------------------

Attempts to convert names to initials in support of |name-list-format=vanc.  

Names in |firstn= may be separated by spaces or hyphens, or for initials, a period. See http://www.ncbi.nlm.nih.gov/books/NBK7271/box/A35062/.

Vancouver style requires family rank designations (Jr, II, III, etc) to be rendered as Jr, 2nd, 3rd, etc.  See http://www.ncbi.nlm.nih.gov/books/NBK7271/box/A35085/.
This code only accepts and understands generational suffix in the Vancouver format because Roman numerals look like, and can be mistaken for, initials.

This function uses ustring functions because firstname initials may be any of the unicode Latin characters accepted by is_good_vanc_name ().

]]

local function reduce_to_initials(first)
	local name, suffix = mw.ustring.match(first, "^(%u+) ([%dJS][%drndth]+)$");

	if not name then															-- if not initials and a suffix
		name = mw.ustring.match(first, "^(%u+)$");								-- is it just intials?
	end

	if name then																-- if first is initials with or without suffix
		if 3 > mw.ustring.len (name) then										-- if one or two initials
			if suffix then														-- if there is a suffix
				if is_suffix (suffix) then										-- is it legitimate?
					return first;												-- one or two initials and a valid suffix so nothing to do
				else
					add_vanc_error ('suffix');									-- one or two initials with invalid suffix so error message
					return first;												-- and return first unmolested
				end
			else
				return first;													-- one or two initials without suffix; nothing to do
			end
		end
	end																			-- if here then name has 3 or more uppercase letters so treat them as a word


	local initials, names = {}, {};												-- tables to hold name parts and initials
	local i = 1;																-- counter for number of initials

	names = mw.text.split (first, '[%s,]+');									-- split into a table of names and possible suffix

	while names[i] do															-- loop through the table
		if 1 < i and names[i]:match ('[%dJS][%drndth]+%.?$') then				-- if not the first name, and looks like a suffix (may have trailing dot)
			names[i] = names[i]:gsub ('%.', '');								-- remove terminal dot if present
			if is_suffix (names[i]) then										-- if a legitimate suffix
				table.insert (initials, ' ' .. names[i]);						-- add a separator space, insert at end of initials table
				break;															-- and done because suffix must fall at the end of a name
			end																	-- no error message if not a suffix; possibly because of Romanization
		end
		if 3 > i then
			table.insert (initials, mw.ustring.sub(names[i],1,1));				-- insert the intial at end of initials table
		end
		i = i+1;																-- bump the counter
	end
			
	return table.concat(initials)												-- Vancouver format does not include spaces.
end


--[[--------------------------< L I S T  _ P E O P L E >-------------------------------------------------------

Formats a list of people (e.g. authors / editors) 

]]

local function list_people(control, people, etal)
	local sep;
	local namesep;
	local format = control.format
	local maximum = control.maximum
	local lastauthoramp = control.lastauthoramp;
	local text = {}

	if 'vanc' == format then													-- Vancouver-like author/editor name styling?
		sep = cfg.presentation['sep_nl_vanc'];									-- name-list separator between authors is a comma
		namesep = cfg.presentation['sep_name_vanc'];							-- last/first separator is a space
	else
		sep = cfg.presentation['sep_nl'];										-- name-list separator between authors is a semicolon
		namesep = cfg.presentation['sep_name'];									-- last/first separator is <comma><space>
	end
	
	if sep:sub(-1,-1) ~= " " then sep = sep .. " " end
	if is_set (maximum) and maximum < 1 then return "", 0; end					-- returned 0 is for EditorCount; not used for authors
	
	for i,person in ipairs(people) do
		if is_set(person.last) then
			local mask = person.mask
			local one
			local sep_one = sep;
			if is_set (maximum) and i > maximum then
				etal = true;
				break;
			elseif (mask ~= nil) then
				local n = tonumber(mask)
				if (n ~= nil) then
					one = string.rep("&mdash;",n)
				else
					one = mask;
					sep_one = " ";
				end
			else
				one = person.last
				local first = person.first
				if is_set(first) then
					if ( "vanc" == format ) then								-- if vancouver format
						one = one:gsub ('%.', '');								-- remove periods from surnames (http://www.ncbi.nlm.nih.gov/books/NBK7271/box/A35029/)
						if not person.corporate and is_good_vanc_name (one, first) then		-- and name is all Latin characters; corporate authors not tested
							first = reduce_to_initials(first)					-- attempt to convert first name(s) to initials
						end
					end
					one = one .. namesep .. first;
				end
				if is_set(person.link) and person.link ~= control.page_name then
					one = make_wikilink (person.link, one);						-- link author/editor if this page is not the author's/editor's page
				end
			end
			table.insert( text, one )
			table.insert( text, sep_one )
		end
	end

	local count = #text / 2;													-- (number of names + number of separators) divided by 2
	if count > 0 then 
		if count > 1 and is_set(lastauthoramp) and not etal then
			text[#text-2] = " & ";												-- replace last separator with ampersand text
		end
		text[#text] = nil;														-- erase the last separator
	end
	
	local result = table.concat(text)											-- construct list
	if etal and is_set (result) then											-- etal may be set by |display-authors=etal but we might not have a last-first list
		result = result .. sep .. ' ' .. cfg.messages['et al'];					-- we've go a last-first list and etal so add et al.
	end
	
	return result, count
end


--[[--------------------------< A N C H O R _ I D >------------------------------------------------------------

Generates a CITEREF anchor ID if we have at least one name or a date.  Otherwise returns an empty string.

namelist is one of the contributor-, author-, or editor-name lists chosen in that order.  year is Year or anchor_year.

]]
local function anchor_id (namelist, year)
	local names={};																-- a table for the one to four names and year
	for i,v in ipairs (namelist) do												-- loop through the list and take up to the first four last names
		names[i] = v.last 
		if i == 4 then break end												-- if four then done
	end
	table.insert (names, year);													-- add the year at the end
	local id = table.concat(names);												-- concatenate names and year for CITEREF id
	if is_set (id) then															-- if concatenation is not an empty string
		return "CITEREF" .. id;													-- add the CITEREF portion
	else
		return '';																-- return an empty string; no reason to include CITEREF id in this citation
	end
end


--[[--------------------------< N A M E _ H A S _ E T A L >----------------------------------------------------

Evaluates the content of name parameters (author, editor, etc) for variations on the theme of et al.  If found,
the et al. is removed, a flag is set to true and the function returns the modified name and the flag.

This function never sets the flag to false but returns it's previous state because it may have been set by
previous passes through this function or by the associated |display-<names>=etal parameter

]]

local function name_has_etal (name, etal, nocat, param)

	if is_set (name) then														-- name can be nil in which case just return
		local patterns = cfg.et_al_patterns;									--get patterns from configuration
		
		for _, pattern in ipairs (patterns) do									-- loop through all of the patterns
			if name:match (pattern) then										-- if this 'et al' pattern is found in name
				name = name:gsub (pattern, '');									-- remove the offending text
				etal = true;													-- set flag (may have been set previously here or by |display-<names>=etal)
				if not nocat then												-- no categorization for |vauthors=
					table.insert( z.message_tail, {set_error ('etal', {param})});	-- and set an error if not added
				end
			end
		end
	end

	return name, etal;															-- 
end


--[[--------------------------< N A M E _ H A S _ E D _ M A R K U P >------------------------------------------

Evaluates the content of author and editor parameters for extranious editor annotations: ed, ed., eds, (Ed.), etc.
These annotation do not belong in author parameters and are redundant in editor parameters.  If found, the function
adds the editor markup maintenance category.

]]

local function name_has_ed_markup (name, list_name)
	local _, pattern;
	local patterns = cfg.editor_markup_patterns;								-- get patterns from configuration

	if is_set (name) then
		for _, pattern in ipairs (patterns) do									-- spin through patterns table and
			if name:match (pattern) then
				add_maint_cat ('extra_text_names', cfg.special_case_translation [list_name]);	-- add a maint cat for this template
				break;
			end
		end
	end
	return name;																-- and done
end


--[[--------------------------< N A M E _ H A S _ M U L T _ N A M E S >----------------------------------------

Evaluates the content of author and editor (surnames only) parameters for multiple names.  Multiple names are
indicated if there is more than one comma and or semicolon.  If found, the function adds the multiple name
(author or editor) maintenance category.

]]

local function name_has_mult_names (name, list_name)
local count, _;
	if is_set (name) then
		_, count = name:gsub ('[;,]', '');										-- count the number of separator-like characters
		
		if 1 < count then														-- param could be |author= or |editor= so one separator character is acceptable
			add_maint_cat ('mult_names', cfg.special_case_translation [list_name]);	-- more than one separator indicates multiple names so add a maint cat for this template
		end
	end
	return name;																-- and done
end


--[[--------------------------< N A M E _ C H E C K S >--------------------------------------------------------
This function calls various name checking functions used to validate the content of the various name-holding
parameters.

]]

local function name_checks (last, first, list_name)
	if is_set (last) then
		if last:match ('^%(%(.*%)%)$') then										-- if wrapped in doubled parentheses, accept as written 
			last = last:match ('^%(%((.*)%)%)$');								-- strip parens
		else
			last = name_has_mult_names (last, list_name);						-- check for multiple names in the parameter (last only)
			last = name_has_ed_markup (last, list_name);						-- check for extraneous 'editor' annotation
		end
	end
	if is_set (first) then
		if first:match ('^%(%(.*%)%)$') then									-- if wrapped in doubled parentheses, accept as written 
			first = first:match ('^%(%((.*)%)%)$');								-- strip parens
		else
			first = name_has_ed_markup (first, list_name);						-- check for extraneous 'editor' annotation
		end
	end
	return last, first;															-- done
	end


--[[--------------------------< E X T R A C T _ N A M E S >----------------------------------------------------
Gets name list from the input arguments

Searches through args in sequential order to find |lastn= and |firstn= parameters (or their aliases), and their matching link and mask parameters.
Stops searching when both |lastn= and |firstn= are not found in args after two sequential attempts: found |last1=, |last2=, and |last3= but doesn't
find |last4= and |last5= then the search is done.

This function emits an error message when there is a |firstn= without a matching |lastn=.  When there are 'holes' in the list of last names, |last1= and |last3=
are present but |last2= is missing, an error message is emitted. |lastn= is not required to have a matching |firstn=.

When an author or editor parameter contains some form of 'et al.', the 'et al.' is stripped from the parameter and a flag (etal) returned
that will cause list_people() to add the static 'et al.' text from Module:Citation/CS1/Configuration.  This keeps 'et al.' out of the 
template's metadata.  When this occurs, the page is added to a maintenance category.

]]

local function extract_names(args, list_name)
	local names = {};			-- table of names
	local last;					-- individual name components
	local first;
	local link;
	local mask;
	local i = 1;				-- loop counter/indexer
	local n = 1;				-- output table indexer
	local count = 0;			-- used to count the number of times we haven't found a |last= (or alias for authors, |editor-last or alias for editors)
	local etal=false;			-- return value set to true when we find some form of et al. in an author parameter

	local last_alias, first_alias;												-- selected parameter aliases used in error messaging
	while true do
		last, last_alias = select_one( args, cfg.aliases[list_name .. '-Last'], 'redundant_parameters', i );		-- search through args for name components beginning at 1
		first, first_alias = select_one( args, cfg.aliases[list_name .. '-First'], 'redundant_parameters', i );
		link = select_one( args, cfg.aliases[list_name .. '-Link'], 'redundant_parameters', i );
		mask = select_one( args, cfg.aliases[list_name .. '-Mask'], 'redundant_parameters', i );

		last, etal = name_has_etal (last, etal, false, last_alias);				-- find and remove variations on et al.
		first, etal = name_has_etal (first, etal, false, first_alias);			-- find and remove variations on et al.
		last, first= name_checks (last, first, list_name);						-- multiple names, extraneous annotation, etc checks
		
		if first and not last then												-- if there is a firstn without a matching lastn
			table.insert( z.message_tail, { set_error( 'first_missing_last', {first_alias, first_alias:gsub('first', 'last')}, true ) } );	-- add this error message
		elseif not first and not last then										-- if both firstn and lastn aren't found, are we done?
			count = count + 1;													-- number of times we haven't found last and first
			if 2 <= count then													-- two missing names and we give up
				break;															-- normal exit or there is a two-name hole in the list; can't tell which
			end
		else																	-- we have last with or without a first
			link_title_ok (link, list_name:match ("(%w+)List"):lower() .. '-link' .. i, last, list_name:match ("(%w+)List"):lower() .. '-last' .. i);	-- check for improper wikimarkup

			names[n] = {last = last, first = first, link = link, mask = mask, corporate=false};	-- add this name to our names list (corporate for |vauthors= only)
			n = n + 1;															-- point to next location in the names table
			if 1 == count then													-- if the previous name was missing
				table.insert( z.message_tail, { set_error( 'missing_name', {list_name:match ("(%w+)List"):lower(), i-1}, true ) } );	-- add this error message
			end
			count = 0;															-- reset the counter, we're looking for two consecutive missing names
		end
		i = i + 1;																-- point to next args location
	end
	
	return names, etal;															-- all done, return our list of names
end


--[[--------------------------< G E T _ I S O 6 3 9 _ C O D E >------------------------------------------------

Validates language names provided in |language= parameter if not an ISO639-1 or 639-2 code.

Returns the language name and associated two- or three-character code.  Because case of the source may be incorrect
or different from the case that WikiMedia uses, the name comparisons are done in lower case and when a match is
found, the Wikimedia version (assumed to be correct) is returned along with the code.  When there is no match, we
return the original language name string.

mw.language.fetchLanguageNames(<local wiki language>, 'all') returns a list of languages that in some cases may include
extensions. For example, code 'cbk-zam' and its associated name 'Chavacano de Zamboanga' (MediaWiki does not support
code 'cbk' or name 'Chavacano'.  Most (all?) of these languages are not used a 'language' codes per se, rather they
are used as sub-domain names: cbk-zam.wikipedia.org.  A list of language names and codes supported by fetchLanguageNames()
can be found at Template:Citation Style documentation/language/doc

Names that are included in the list will be found if that name is provided in the |language= parameter.  For example,
if |language=Chavacano de Zamboanga, that name will be found with the associated code 'cbk-zam'.  When names are found
and the associated code is not two or three characters, this function returns only the WikiMedia language name.

Some language names have multiple entries under different codes:
	Aromanian has code rup and code roa-rup
When this occurs, this function returns the language name and the 2- or 3-character code

Adapted from code taken from Module:Check ISO 639-1.

]]

local function get_iso639_code (lang, this_wiki_code)
	if cfg.lang_name_remap[lang:lower()] then									-- if there is a remapped name (because MediaWiki uses something that we don't think is correct)
		return cfg.lang_name_remap[lang:lower()][1], cfg.lang_name_remap[lang:lower()][2];	-- for this language 'name', return a possibly new name and appropriate code
	end

	local ietf_code;															-- because some languages have both ietf-like codes and iso 639-like codes
	local ietf_name;
	
	local languages = mw.language.fetchLanguageNames(this_wiki_code, 'all')		-- get a list of language names known to Wikimedia
																				-- ('all' is required for North Ndebele, South Ndebele, and Ojibwa)
	local langlc = mw.ustring.lower(lang);										-- lower case version for comparisons

	for code, name in pairs(languages) do										-- scan the list to see if we can find our language
		if langlc == mw.ustring.lower(name) then
			if 2 == code:len() or 3 == code:len() then							-- two- or three-character codes only; extensions not supported
				return name, code;												-- so return the name and the code
			end
			ietf_code = code;													-- remember that we found an ietf-like code and save its name
			ietf_name = name;													-- but keep looking for a 2- or 3-char code
		end
	end
																				-- didn't find name with 2- or 3-char code; if ietf-like code found return
	return ietf_code and ietf_name or lang;										-- associated name; return original language text else
end


--[[--------------------------< L A N G U A G E _ P A R A M E T E R >------------------------------------------

Gets language name from a provided two- or three-character ISO 639 code.  If a code is recognized by MediaWiki,
use the returned name; if not, then use the value that was provided with the language parameter.

When |language= contains a recognized language (either code or name), the page is assigned to the category for
that code: Category:Norwegian-language sources (no).  For valid three-character code languages, the page is assigned
to the single category for '639-2' codes: Category:CS1 ISO 639-2 language sources.

Languages that are the same as the local wiki are not categorized.  MediaWiki does not recognize three-character
equivalents of two-character codes: code 'ar' is recognized bit code 'ara' is not.

This function supports multiple languages in the form |language=nb, French, th where the language names or codes are
separated from each other by commas.

]]

local function language_parameter (lang)
	local code;																	-- the two- or three-character language code
	local name;																	-- the language name
	local language_list = {};													-- table of language names to be rendered
	local names_table = {};														-- table made from the value assigned to |language=

	local this_wiki = mw.getContentLanguage();									-- get a language object for this wiki
	local this_wiki_code = this_wiki:getCode()									-- get this wiki's language code
	local this_wiki_name = mw.language.fetchLanguageName(this_wiki_code, this_wiki_code);	-- get this wiki's language name

	names_table = mw.text.split (lang, '%s*,%s*');								-- names should be a comma separated list

	for _, lang in ipairs (names_table) do										-- reuse lang
		name = cfg.lang_code_remap[lang:lower()];								-- first see if this is a code that is not supported by MediaWiki but is in remap

		if name then															-- there was a remapped code so
			lang = lang:gsub ('^(%a%a%a?)%-.*', '%1');							-- strip ietf tags from code
		else
			if lang:match ('^%a%a%-') then										-- strip ietf tags from code; TODO: is there a need to support 3-char with tag?
				lang = lang:match ('(%a%a)%-')									-- keep only 639-1 code portion to lang; TODO: do something with 3166 alpha 2 country code?
			end
			if 2 == lang:len() or 3 == lang:len() then							-- if two-or three-character code
				name = mw.language.fetchLanguageName (lang:lower(), this_wiki_code);	-- get language name if |language= is a proper code
			end
		end

		if is_set (name) then													-- if |language= specified a valid code
			code = lang:lower();												-- save it
		else
			name, code = get_iso639_code (lang, this_wiki_code);				-- attempt to get code from name (assign name here so that we are sure of proper capitalization)
		end
	
		if is_set (code) then													-- only 2- or 3-character codes
			name = cfg.lang_code_remap[code] or name;							-- override wikimedia when they misuse language codes/names

			if this_wiki_code ~= code then										-- when the language is not the same as this wiki's language
				if 2 == code:len() then											-- and is a two-character code
					add_prop_cat ('foreign_lang_source' .. code, {name, code})	-- categorize it
				else															-- or is a recognized language (but has a three-character code)
					add_prop_cat ('foreign_lang_source_2' .. code, {code})		-- categorize it differently TODO: support mutliple three-character code categories per cs1|2 template
				end
			end
		else
			add_maint_cat ('unknown_lang');										-- add maint category if not already added
		end
		
		table.insert (language_list, name);
		name = '';																-- so we can reuse it
	end
	
	code = #language_list														-- reuse code as number of languages in the list
	if 2 >= code then
		name = table.concat (language_list, cfg.messages['parameter-pair-separator'])		-- insert '<space>and<space>' between two language names
	elseif 2 < code then
		name = table.concat (language_list, ', ');											-- and concatenate with '<comma><space>' separators
		name = name:gsub (', ([^,]+)$', cfg.messages['parameter-final-separator'] .. '%1');	-- replace last '<comma><space>' separator with '<comma><space>and<space>' separator
	end
	if this_wiki_name == name then
		return '';																-- if one language and that language is this wiki's return an empty string (no annotation)
	end
	return (" " .. wrap_msg ('language', name));								-- otherwise wrap with '(in ...)'
	--[[ TODO: should only return blank or name rather than full list
	so we can clean up the bunched parenthetical elements Language, Type, Format
	]]
end


--[[--------------------------< S E T _ C S 1 _ S T Y L E >----------------------------------------------------

Set style settings for CS1 citation templates. Returns separator and postscript settings
At en.wiki, for cs1:
	ps gets:	'.'
	sep gets:	'.'

]]

local function set_cs1_style (ps)
	if not is_set (ps) then														-- unless explicitely set to something
		ps = cfg.presentation['ps_cs1'];										-- terminate the rendered citation
	end
	return cfg.presentation['sep_cs1'], ps;										-- element separator
end


--[[--------------------------< S E T _ C S 2 _ S T Y L E >----------------------------------------------------

Set style settings for CS2 citation templates. Returns separator, postscript, ref settings
At en.wiki, for cs2:
	ps gets:	'' (empty string - no terminal punctuation)
	sep gets:	','

]]

local function set_cs2_style (ps, ref)
	if not is_set (ps) then														-- if |postscript= has not been set, set cs2 default
		ps = cfg.presentation['ps_cs2'];										-- terminate the rendered citation
	end
	if not is_set (ref) then													-- if |ref= is not set
		ref = "harv";															-- set default |ref=harv
	end
	return cfg.presentation['sep_cs2'], ps, ref;								-- element separator
end


--[[--------------------------< G E T _ S E T T I N G S _ F R O M _ C I T E _ C L A S S >----------------------

When |mode= is not set or when its value is invalid, use config.CitationClass and parameter values to establish
rendered style.

]]

local function get_settings_from_cite_class (ps, ref, cite_class)
	local sep;
	if (cite_class == "citation") then											-- for citation templates (CS2)
		sep, ps, ref = set_cs2_style (ps, ref);
	else																		-- not a citation template so CS1
		sep, ps = set_cs1_style (ps);
	end

	return sep, ps, ref															-- return them all
end


--[[--------------------------< S E T _ S T Y L E >------------------------------------------------------------

Establish basic style settings to be used when rendering the citation.  Uses |mode= if set and valid or uses
config.CitationClass from the template's #invoke: to establish style.

]]

local function set_style (mode, ps, ref, cite_class)
	local sep;
	if 'cs2' == mode then														-- if this template is to be rendered in CS2 (citation) style
		sep, ps, ref = set_cs2_style (ps, ref);
	elseif 'cs1' == mode then													-- if this template is to be rendered in CS1 (cite xxx) style
		sep, ps = set_cs1_style (ps);
	else																		-- anything but cs1 or cs2
		sep, ps, ref = get_settings_from_cite_class (ps, ref, cite_class);		-- get settings based on the template's CitationClass
	end
	if 'none' == ps:lower() then												-- if assigned value is 'none' then
		ps = '';																-- set to empty string
	end
	
	return sep, ps, ref
end


--[=[-------------------------< I S _ P D F >------------------------------------------------------------------

Determines if a url has the file extension that is one of the pdf file extensions used by [[MediaWiki:Common.css]] when
applying the pdf icon to external links.

returns true if file extension is one of the recognized extensions, else false

]=]

local function is_pdf (url)
	return url:match ('%.pdf$') or url:match ('%.PDF$') or
		url:match ('%.pdf[%?#]') or url:match ('%.PDF[%?#]') or
		url:match ('%.PDF&#035') or url:match ('%.pdf&#035');
end


--[[--------------------------< S T Y L E _ F O R M A T >------------------------------------------------------

Applies css style to |format=, |chapter-format=, etc.  Also emits an error message if the format parameter does
not have a matching url parameter.  If the format parameter is not set and the url contains a file extension that
is recognized as a pdf document by MediaWiki's commons.css, this code will set the format parameter to (PDF) with
the appropriate styling.

]]

local function style_format (format, url, fmt_param, url_param)
	if is_set (format) then
		format = wrap_style ('format', format);									-- add leading space, parentheses, resize
		if not is_set (url) then
			format = format .. set_error( 'format_missing_url', {fmt_param, url_param} );	-- add an error message
		end
	elseif is_pdf (url) then													-- format is not set so if url is a pdf file then
		format = wrap_style ('format', 'PDF');									-- set format to pdf
	else
		format = '';															-- empty string for concatenation
	end
	return format;
end


--[[--------------------------< G E T _ D I S P L A Y _ N A M E S >--------------------------------------------

Returns a number that defines the number of names displayed for author and editor name lists and a boolean flag
to indicate when et al. should be appended to the name list.

When the value assigned to |display-xxxxors= is a number greater than or equal to zero, return the number and
the previous state of the 'etal' flag (false by default but may have been set to true if the name list contains
some variant of the text 'et al.').

When the value assigned to |display-xxxxors= is the keyword 'etal', return a number that is one greater than the
number of authors in the list and set the 'etal' flag true.  This will cause the list_people() to display all of
the names in the name list followed by 'et al.'

In all other cases, returns nil and the previous state of the 'etal' flag.

inputs:
	max: A['DisplayAuthors'] or A['DisplayEditors']; a number or some flavor of etal
	count: #a or #e
	list_name: 'authors' or 'editors'
	etal: author_etal or editor_etal

]]

local function get_display_names (max, count, list_name, etal)
	if is_set (max) then
		if 'etal' == max:lower():gsub("[ '%.]", '') then						-- the :gsub() portion makes 'etal' from a variety of 'et al.' spellings and stylings
			max = count + 1;													-- number of authors + 1 so display all author name plus et al.
			etal = true;														-- overrides value set by extract_names()
		elseif max:match ('^%d+$') then											-- if is a string of numbers
			max = tonumber (max);												-- make it a number
			if max >= count then												-- if |display-xxxxors= value greater than or equal to number of authors/editors
				add_maint_cat ('disp_name', cfg.special_case_translation [list_name]);
			end
		else																	-- not a valid keyword or number
			table.insert( z.message_tail, { set_error( 'invalid_param_val', {'display-' .. list_name, max}, true ) } );		-- add error message
			max = nil;															-- unset; as if |display-xxxxors= had not been set
		end
	end
	
	return max, etal;
end


--[[--------------------------< E X T R A _ T E X T _ I N _ P A G E _ C H E C K >------------------------------

Adds page to Category:CS1 maint: extra text if |page= or |pages= has what appears to be some form of p. or pp. 
abbreviation in the first characters of the parameter content.

check Page and Pages for extraneous p, p., pp, and pp. at start of parameter value:
	good pattern: '^P[^%.P%l]' matches when |page(s)= begins PX or P# but not Px where x and X are letters and # is a dgiit
	bad pattern: '^[Pp][Pp]' matches matches when |page(s)= begins pp or pP or Pp or PP

]]

local function extra_text_in_page_check (page)
	local good_pattern = '^P[^%.Pp]';											-- ok to begin with uppercase P: P7 (pg 7 of section P) but not p123 (page 123) TODO: add Gg for PG or Pg?
	local bad_pattern = '^[Pp]?[Pp]%.?[ %d]';

	if not page:match (good_pattern) and (page:match (bad_pattern) or  page:match ('^[Pp]ages?')) then
		add_maint_cat ('extra_text');
	end
end


--[=[-------------------------< G E T _ V _ N A M E _ T A B L E >----------------------------------------------

split apart a |vauthors= or |veditors= parameter.  This function allows for corporate names, wrapped in doubled
parentheses to also have commas; in the old version of the code, the doubled parnetheses were included in the
rendered citation and in the metadata.  Individual author names may be wikilinked

	|vauthors=Jones AB, [[E. B. White|White EB]], ((Black, Brown, and Co.))

]=]

local function get_v_name_table (vparam, output_table, output_link_table)
	local name_table = mw.text.split(vparam, "%s*,%s*");						-- names are separated by commas
	local wl_type, label, link;													-- wl_type not used here; just a place holder
	
	local i = 1;
	
	while name_table[i] do
		if name_table[i]:match ('^%(%(.*[^%)][^%)]$') then						-- first segment of corporate with one or more commas; this segment has the opening doubled parens
			local name = name_table[i];
			i=i+1;																-- bump indexer to next segment
			while name_table[i] do
				name = name .. ', ' .. name_table[i];							-- concatenate with previous segments
				if name_table[i]:match ('^.*%)%)$') then						-- if this table member has the closing doubled parens
					break;														-- and done reassembling so
				end
				i=i+1;															-- bump indexer
			end
			table.insert (output_table, name);									-- and add corporate name to the output table
			table.insert (output_link_table, '');								-- no wikilink
		else
			wl_type, label, link = is_wikilink (name_table[i]);					-- wl_type is: 0, no wl (text in label variable); 1, [[D]]; 2, [[L|D]]
			table.insert (output_table, label);									-- add this name
			if 1 == wl_type then
				table.insert (output_link_table, label);						-- simple wikilink [[D]]
			else
				table.insert (output_link_table, link);							-- no wikilink or [[L|D]]; add this link if there is one, else empty string
			end
		end
		i = i+1;
	end	
	return output_table;
end


--[[--------------------------< P A R S E _ V A U T H O R S _ V E D I T O R S >--------------------------------

This function extracts author / editor names from |vauthors= or |veditors= and finds matching |xxxxor-maskn= and
|xxxxor-linkn= in args.  It then returns a table of assembled names just as extract_names() does.

Author / editor names in |vauthors= or |veditors= must be in Vancouver system style. Corporate or institutional names
may sometimes be required and because such names will often fail the is_good_vanc_name() and other format compliance
tests, are wrapped in doubled paranethese ((corporate name)) to suppress the format tests.

Supports generational suffixes Jr, 2nd, 3rd, 4th–6th.

This function sets the vancouver error when a reqired comma is missing and when there is a space between an author's initials.

]]

local function parse_vauthors_veditors (args, vparam, list_name)
	local names = {};															-- table of names assembled from |vauthors=, |author-maskn=, |author-linkn=
	local v_name_table = {};
	local v_link_table = {};													-- when name is wikilinked, targets go in this table
	local etal = false;															-- return value set to true when we find some form of et al. vauthors parameter
	local last, first, link, mask, suffix;
	local corporate = false;

	vparam, etal = name_has_etal (vparam, etal, true);							-- find and remove variations on et al. do not categorize (do it here because et al. might have a period)
	v_name_table = get_v_name_table (vparam, v_name_table, v_link_table);		-- names are separated by commas

	for i, v_name in ipairs(v_name_table) do
		if v_name:match ('^%(%(.+%)%)$') then									-- corporate authors are wrapped in doubled parentheses to supress vanc formatting and error detection
			first = '';															-- set to empty string for concatenation and because it may have been set for previous author/editor
			last = v_name:match ('^%(%((.+)%)%)$')								-- remove doubled parntheses
			corporate = true;													-- flag used in list_people()
		elseif string.find(v_name, "%s") then
			if v_name:find('[;%.]') then										-- look for commonly occurring punctuation characters; 
				add_vanc_error ('punctuation');
			end
			local lastfirstTable = {}
			lastfirstTable = mw.text.split(v_name, "%s")
			first = table.remove(lastfirstTable);								-- removes and returns value of last element in table which should be author intials
			if is_suffix (first) then											-- if a valid suffix
				suffix = first													-- save it as a suffix and
				first = table.remove(lastfirstTable);							-- get what should be the initials from the table
			end																	-- no suffix error message here because letter combination may be result of Romanization; check for digits?
			last = table.concat(lastfirstTable, " ")							-- returns a string that is the concatenation of all other names that are not initials
			if mw.ustring.match (last, '%a+%s+%u+%s+%a+') then
				add_vanc_error ('missing comma');								-- matches last II last; the case when a comma is missing
			end
			if mw.ustring.match (v_name, ' %u %u$') then						-- this test is in the wrong place TODO: move or replace with a more appropriate test
				add_vanc_error ('name');										-- matches a space between two intiials
			end
		else
			first = '';															-- set to empty string for concatenation and because it may have been set for previous author/editor
			last = v_name;														-- last name or single corporate name?  Doesn't support multiword corporate names? do we need this?
		end
																
		if is_set (first) then
			if not mw.ustring.match (first, "^%u?%u$") then						-- first shall contain one or two upper-case letters, nothing else
				add_vanc_error ('initials');									-- too many initials; mixed case initials (which may be ok Romanization); hyphenated initials
			end
			is_good_vanc_name (last, first);									-- check first and last before restoring the suffix which may have a non-Latin digit
			if is_set (suffix) then
				first = first .. ' ' .. suffix;									-- if there was a suffix concatenate with the initials
				suffix = '';													-- unset so we don't add this suffix to all subsequent names
			end
		else
			if not corporate then
				is_good_vanc_name (last, '');
			end
		end

		link = select_one( args, cfg.aliases[list_name .. '-Link'], 'redundant_parameters', i ) or v_link_table[i];
		mask = select_one( args, cfg.aliases[list_name .. '-Mask'], 'redundant_parameters', i );
		names[i] = {last = last, first = first, link = link, mask = mask, corporate=corporate};		-- add this assembled name to our names list
	end
	return names, etal;															-- all done, return our list of names
end


--[[--------------------------< S E L E C T _ A U T H O R _ E D I T O R _ S O U R C E >------------------------

Select one of |authors=, |authorn= / |lastn / firstn=, or |vauthors= as the source of the author name list or
select one of |editors=, |editorn= / editor-lastn= / |editor-firstn= or |veditors= as the source of the editor name list.

Only one of these appropriate three will be used.  The hierarchy is: |authorn= (and aliases) highest and |authors= lowest and
similarly, |editorn= (and aliases) highest and |editors= lowest

When looking for |authorn= / |editorn= parameters, test |xxxxor1= and |xxxxor2= (and all of their aliases); stops after the second
test which mimicks the test used in extract_names() when looking for a hole in the author name list.  There may be a better
way to do this, I just haven't discovered what that way is.

Emits an error message when more than one xxxxor name source is provided.

In this function, vxxxxors = vauthors or veditors; xxxxors = authors or editors as appropriate.

]]

local function select_author_editor_source (vxxxxors, xxxxors, args, list_name)
local lastfirst = false;
	if select_one( args, cfg.aliases[list_name .. '-Last'], 'none', 1 ) or		-- do this twice incase we have a |first1= without a |last1=; this ...
		select_one( args, cfg.aliases[list_name .. '-First'], 'none', 1 ) or	-- ... also catches the case where |first= is used with |vauthors=
		select_one( args, cfg.aliases[list_name .. '-Last'], 'none', 2 ) or
		select_one( args, cfg.aliases[list_name .. '-First'], 'none', 2 ) then
			lastfirst=true;
	end

	if (is_set (vxxxxors) and true == lastfirst) or								-- these are the three error conditions
		(is_set (vxxxxors) and is_set (xxxxors)) or
		(true == lastfirst and is_set (xxxxors)) then
			local err_name;
			if 'AuthorList' == list_name then									-- figure out which name should be used in error message
				err_name = 'author';
			else
				err_name = 'editor';
			end
			table.insert( z.message_tail, { set_error( 'redundant_parameters',
				{err_name .. '-name-list parameters'}, true ) } );				-- add error message
	end

	if true == lastfirst then return 1 end;										-- return a number indicating which author name source to use
	if is_set (vxxxxors) then return 2 end;
	if is_set (xxxxors) then return 3 end;
	return 1;																	-- no authors so return 1; this allows missing author name test to run in case there is a first without last 
end


--[[--------------------------< I S _ V A L I D _ P A R A M E T E R _ V A L U E >------------------------------

This function is used to validate a parameter's assigned value for those parameters that have only a limited number
of allowable values (yes, y, true, no, etc).  When the parameter value has not been assigned a value (missing or empty
in the source template) the function returns true.  If the parameter value is one of the list of allowed values returns
true; else, emits an error message and returns false.

]]

local function is_valid_parameter_value (value, name, possible)
	if not is_set (value) then
		return true;															-- an empty parameter is ok
	elseif in_array (value, possible) then
		return true;
	else
		table.insert( z.message_tail, { set_error( 'invalid_param_val', {name, value}, true ) } );	-- not an allowed value so add error message
		return false
	end
end


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

This function terminates a name list (author, contributor, editor) with a separator character (sepc) and a space
when the last character is not a sepc character or when the last three characters are not sepc followed by two
closing square brackets (close of a wikilink).  When either of these is true, the name_list is terminated with a
single space character.

]]

local function terminate_name_list (name_list, sepc)
	if (string.sub (name_list,-3,-1) == sepc .. '. ') then						-- if already properly terminated
		return name_list;														-- just return the name list
	elseif (string.sub (name_list,-1,-1) == sepc) or (string.sub (name_list,-3,-1) == sepc .. ']]') then	-- if last name in list ends with sepc char
		return name_list .. " ";												-- don't add another
	else
		return name_list .. sepc .. ' ';										-- otherwise terninate the name list
	end
end


--[[-------------------------< F O R M A T _ V O L U M E _ I S S U E >----------------------------------------

returns the concatenation of the formatted volume and issue parameters as a single string; or formatted volume
or formatted issue, or an empty string if neither are set.

]]
	
local function format_volume_issue (volume, issue, cite_class, origin, sepc, lower)
	if not is_set (volume) and not is_set (issue) then
		return '';
	end
	
	if 'magazine' == cite_class or (in_array (cite_class, {'citation', 'map'}) and 'magazine' == origin) then
		if is_set (volume) and is_set (issue) then
			return wrap_msg ('vol-no', {sepc, volume, issue}, lower);
		elseif is_set (volume) then
			return wrap_msg ('vol', {sepc, volume}, lower);
		else
			return wrap_msg ('issue', {sepc, issue}, lower);
		end
	end

	local vol = '';																-- here for all cites except magazine
		
	if is_set (volume) then
		if volume:match ('^[MDCLXVI]+$') or volume:match ('^%d+$')then			-- volume value is all digits or all uppercase roman numerals
			vol = substitute (cfg.presentation['vol-bold'], {sepc, hyphen_to_dash(volume)});	-- render in bold face
		elseif (4 < mw.ustring.len(volume)) then								-- not all digits or roman numerals and longer than 4 characters
			vol = substitute (cfg.messages['j-vol'], {sepc, volume});			-- not bold
			add_prop_cat ('long_vol');
		else																	-- four or less characters
			vol = substitute (cfg.presentation['vol-bold'], {sepc, hyphen_to_dash(volume)});	-- bold
		end
	end
	if is_set (issue) then
		return vol .. substitute (cfg.messages['j-issue'], issue);
	end
	return vol;
end


--[[-------------------------< F O R M A T _ P A G E S _ S H E E T S >-----------------------------------------

adds static text to one of |page(s)= or |sheet(s)= values and returns it with all of the others set to empty strings.
The return order is:
	page, pages, sheet, sheets

Singular has priority over plural when both are provided.

]]

local function format_pages_sheets (page, pages, sheet, sheets, cite_class, origin, sepc, nopp, lower)
	if 'map' == cite_class then													-- only cite map supports sheet(s) as in-source locators
		if is_set (sheet) then
			if 'journal' == origin then
				return '', '', wrap_msg ('j-sheet', sheet, lower), '';
			else
				return '', '', wrap_msg ('sheet', {sepc, sheet}, lower), '';
			end
		elseif is_set (sheets) then
			if 'journal' == origin then
				return '', '', '', wrap_msg ('j-sheets', sheets, lower);
			else
				return '', '', '', wrap_msg ('sheets', {sepc, sheets}, lower);
			end
		end
	end

	local is_journal = 'journal' == cite_class or (in_array (cite_class, {'citation', 'map', 'interview'}) and 'journal' == origin);
	
	if is_set (page) then
		if is_journal then
			return substitute (cfg.messages['j-page(s)'], page), '', '', '';
		elseif not nopp then
			return substitute (cfg.messages['p-prefix'], {sepc, page}), '', '', '';
		else
			return substitute (cfg.messages['nopp'], {sepc, page}), '', '', '';
		end
	elseif is_set(pages) then
		if is_journal then
			return substitute (cfg.messages['j-page(s)'], pages), '', '', '';
		elseif tonumber(pages) ~= nil and not nopp then							-- if pages is only digits, assume a single page number
			return '', substitute (cfg.messages['p-prefix'], {sepc, pages}), '', '';
		elseif not nopp then
			return '', substitute (cfg.messages['pp-prefix'], {sepc, pages}), '', '';
		else
			return '', substitute (cfg.messages['nopp'], {sepc, pages}), '', '';
		end
	end
	
	return '', '', '', '';														-- return empty strings
end


--[[--------------------------< I N S O U R C E _ L O C _ G E T >----------------------------------------------

returns one of the in-source locators: page, pages, or at. 

If any of these are interwiki links to wikisource, returns the label portion of the interwikilink as plain text
for use in COinS.  This COinS thing is done because here we convert an interwiki link to and external link and
add an icon span around that; get_coins_pages() doesn't know about the span.  TODO: should it?  

TODO: add support for sheet and sheets?; streamline;

TODO: make it so that this function returns only one of the three as the single in-source (the return value assigned
to a new name)?

]]

local function insource_loc_get (page, pages, at)
	local ws_url, ws_label, coins_pages, L;										-- for wikisource interwikilinks; TODO: this corrupts page metadata (span remains in place after cleanup; fix there?)

	if is_set (page) then
		if is_set (pages) or is_set(at) then
			pages = '';															-- unset the others
			at = '';
		end
		extra_text_in_page_check (page);										-- add this page to maint cat if |page= value begins with what looks like p. or pp.

		ws_url, ws_label, L = wikisource_url_make (page);						-- make ws url from |page= interwiki link; link portion L becomes tool tip label
		if ws_url then
			page = external_link (ws_url, ws_label .. '&nbsp;', 'ws link in page');	-- space char after label to move icon away from in-source text; TODO: a better way to do this?
			page = substitute (cfg.presentation['interwiki-icon'], {cfg.presentation['class-wikisource'], L, page});
			coins_pages = ws_label;
		end
	elseif is_set (pages) then
		if is_set (at) then
			at = '';															-- unset
		end
		extra_text_in_page_check (pages);										-- add this page to maint cat if |pages= value begins with what looks like p. or pp.

		ws_url, ws_label, L = wikisource_url_make (pages);						-- make ws url from |pages= interwiki link; link portion L becomes tool tip label
		if ws_url then
			pages = external_link (ws_url, ws_label .. '&nbsp;', 'ws link in pages');	-- space char after label to move icon away from in-source text; TODO: a better way to do this?
			pages = substitute (cfg.presentation['interwiki-icon'], {cfg.presentation['class-wikisource'], L, pages});
			coins_pages = ws_label;
		end
	elseif is_set (at) then
		ws_url, ws_label, L = wikisource_url_make (at);							-- make ws url from |at= interwiki link; link portion L becomes tool tip label
		if ws_url then
			at = external_link (ws_url, ws_label .. '&nbsp;', 'ws link in at');	-- space char after label to move icon away from in-source text; TODO: a better way to do this?
			at = substitute (cfg.presentation['interwiki-icon'], {cfg.presentation['class-wikisource'], L, at});
			coins_pages = ws_label;
		end
	end
	
	return page, pages, at, coins_pages;
end



--[=[-------------------------< A R C H I V E _ U R L _ C H E C K >--------------------------------------------

Check archive.org urls to make sure they at least look like they are pointing at valid archives and not to the 
save snapshot url or to calendar pages.  When the archive url is 'https://web.archive.org/save/' (or http://...)
archive.org saves a snapshot of the target page in the url.  That is something that Wikipedia should not allow
unwitting readers to do.

When the archive.org url does not have a complete timestamp, archive.org chooses a snapshot according to its own
algorithm or provides a calendar 'search' result.  [[WP:ELNO]] discourages links to search results.

This function looks at the value assigned to |archive-url= and returns empty strings for |archive-url= and
|archive-date= and an error message when:
	|archive-url= holds an archive.org save command url
	|archive-url= is an archive.org url that does not have a complete timestamp (YYYYMMDDhhmmss 14 digits) in the
		correct place
otherwise returns |archive-url= and |archive-date=

There are two mostly compatible archive.org urls:
	//web.archive.org/<timestamp>...		-- the old form
	//web.archive.org/web/<timestamp>...	-- the new form

The old form does not support or map to the new form when it contains a display flag.  There are four identified flags
('id_', 'js_', 'cs_', 'im_') but since archive.org ignores others following the same form (two letters and an underscore)
we don't check for these specific flags but we do check the form.

This function supports a preview mode.  When the article is rendered in preview mode, this funct may return a modified
archive url:
	for save command errors, return undated wildcard (/*/)
	for timestamp errors when the timestamp has a wildcard, return the url unmodified
	for timestamp errors when the timestamp does not have a wildcard, return with timestamp limited to six digits plus wildcard (/yyyymm*/)

]=]

local function archive_url_check (url, date)
	local err_msg = '';															-- start with the error message empty
	local path, timestamp, flag;												-- portions of the archive.or url
	
	if (not url:match('//web%.archive%.org/')) and (not url:match('//liveweb%.archive%.org/')) then		-- also deprecated liveweb Wayback machine url
		return url, date;														-- not an archive.org archive, return ArchiveURL and ArchiveDate
	end

	if url:match('//web%.archive%.org/save/') then								-- if a save command url, we don't want to allow saving of the target page 
		err_msg = 'save command';
		url = url:gsub ('(//web%.archive%.org)/save/', '%1/*/', 1);				-- for preview mode: modify ArchiveURL
	elseif url:match('//liveweb%.archive%.org/') then
		err_msg = 'liveweb';
	else
		path, timestamp, flag = url:match('//web%.archive%.org/([^%d]*)(%d+)([^/]*)/');	-- split out some of the url parts for evaluation
		
		if not is_set(timestamp) or 14 ~= timestamp:len() then					-- path and flag optional, must have 14-digit timestamp here
			err_msg = 'timestamp';
			if '*' ~= flag then
				url=url:gsub ('(//web%.archive%.org/[^%d]*%d?%d?%d?%d?%d?%d?)[^/]*', '%1*', 1)	-- for preview, modify ts to be yearmo* max (0-6 digits plus splat)
			end
		elseif is_set(path) and 'web/' ~= path then								-- older archive urls do not have the extra 'web/' path element
			err_msg = 'path';
		elseif is_set (flag) and not is_set (path) then							-- flag not allowed with the old form url (without the 'web/' path element)
			err_msg = 'flag';
		elseif is_set (flag) and not flag:match ('%a%a_') then					-- flag if present must be two alpha characters and underscore (requires 'web/' path element)
			err_msg = 'flag';
		else
			return url, date;													-- return archiveURL and ArchiveDate
		end
	end
																				-- if here, something not right so
	table.insert( z.message_tail, { set_error( 'archive_url', {err_msg}, true ) } );	-- add error message and
	if is_set (Frame:preprocess('{{REVISIONID}}')) then
		return '', '';															-- return empty strings for archiveURL and ArchiveDate
	else
		return url, date;														-- preview mode so return archiveURL and ArchiveDate
	end
end


--[[--------------------------< C I T A T I O N 0 >------------------------------------------------------------

This is the main function doing the majority of the citation formatting.

]]

local function citation0( config, args)
	--[[ 
	Load Input Parameters
	The argument_wrapper facilitates the mapping of multiple aliases to single internal variable.
	]]
	local A = argument_wrapper( args );
	local i 

	-- Pick out the relevant fields from the arguments.  Different citation templates
	-- define different field names for the same underlying things.	

-- set default parameter values defined by |mode= parameter.
	local Mode = A['Mode'];
	if not is_valid_parameter_value (Mode, 'mode', cfg.keywords['mode']) then
		Mode = '';
	end

	local author_etal;
	local a	= {};																-- authors list from |lastn= / |firstn= pairs or |vauthors=
	local Authors;
	local NameListFormat = A['NameListFormat'];
	local Collaboration = A['Collaboration'];

	do																			-- to limit scope of selected
		local selected = select_author_editor_source (A['Vauthors'], A['Authors'], args, 'AuthorList');
		if 1 == selected then
			a, author_etal = extract_names (args, 'AuthorList');				-- fetch author list from |authorn= / |lastn= / |firstn=, |author-linkn=, and |author-maskn=
		elseif 2 == selected then
			NameListFormat = 'vanc';											-- override whatever |name-list-format= might be
			a, author_etal = parse_vauthors_veditors (args, args.vauthors, 'AuthorList');	-- fetch author list from |vauthors=, |author-linkn=, and |author-maskn=
		elseif 3 == selected then
			Authors = A['Authors'];												-- use content of |authors=
			if 'authors' == A:ORIGIN('Authors') then							-- but add a maint cat if the parameter is |authors=
				add_maint_cat ('authors');										-- because use of this parameter is discouraged; what to do about the aliases is a TODO:
			end
		end
		if is_set (Collaboration) then
			author_etal = true;													-- so that |display-authors=etal not required
		end
	end

	local Others = A['Others'];

	local editor_etal;
	local e	= {};																-- editors list from |editor-lastn= / |editor-firstn= pairs or |veditors=
	local Editors;

	do																			-- to limit scope of selected
		local selected = select_author_editor_source (A['Veditors'], A['Editors'], args, 'EditorList');
		if 1 == selected then
			e, editor_etal = extract_names (args, 'EditorList');				-- fetch editor list from |editorn= / |editor-lastn= / |editor-firstn=, |editor-linkn=, and |editor-maskn=
		elseif 2 == selected then
			NameListFormat = 'vanc';											-- override whatever |name-list-format= might be
			e, editor_etal = parse_vauthors_veditors (args, args.veditors, 'EditorList');	-- fetch editor list from |veditors=, |editor-linkn=, and |editor-maskn=
		elseif 3 == selected then
			Editors = A['Editors'];												-- use content of |editors=
			add_maint_cat ('editors');											-- but add a maint cat because use of this parameter is discouraged
		end
	end

	local translator_etal;
	local t = {};																-- translators list from |translator-lastn= / translator-firstn= pairs
	local Translators;															-- assembled translators name list
	t = extract_names (args, 'TranslatorList');									-- fetch translator list from |translatorn= / |translator-lastn=, -firstn=, -linkn=, -maskn=

	local interviewer_etal;
	local interviewers_list = {};												
	local Interviewers;															-- used later
	interviewers_list = extract_names (args, 'InterviewerList');				-- process preferred interviewers parameters

	local contributor_etal;
	local c = {};																-- contributors list from |contributor-lastn= / contributor-firstn= pairs
	local Contributors;															-- assembled contributors name list
	local Contribution = A['Contribution'];
	if in_array(config.CitationClass, {"book","citation"}) and not is_set(A['Periodical']) then	-- |contributor= and |contribution= only supported in book cites
		c = extract_names (args, 'ContributorList');							-- fetch contributor list from |contributorn= / |contributor-lastn=, -firstn=, -linkn=, -maskn=
		
		if 0 < #c then
			if not is_set (Contribution) then									-- |contributor= requires |contribution=
				table.insert( z.message_tail, { set_error( 'contributor_missing_required_param', 'contribution')});	-- add missing contribution error message
				c = {};															-- blank the contributors' table; it is used as a flag later
			end
			if 0 == #a then														-- |contributor= requires |author=
				table.insert( z.message_tail, { set_error( 'contributor_missing_required_param', 'author')});	-- add missing author error message
				c = {};															-- blank the contributors' table; it is used as a flag later
			end
		end
	else																		-- if not a book cite
		if select_one (args, cfg.aliases['ContributorList-Last'], 'redundant_parameters', 1 ) then	-- are there contributor name list parameters?
			table.insert( z.message_tail, { set_error( 'contributor_ignored')});	-- add contributor ignored error message
		end
		Contribution = nil;														-- unset
	end

	if not is_valid_parameter_value (NameListFormat, 'name-list-format', cfg.keywords['name-list-format']) then	-- only accepted value for this parameter is 'vanc'
		NameListFormat = '';													-- anything else, set to empty string
	end

	if is_set (Others) then
		if 0 == #a and 0 == #e then												-- add maint cat when |others= has value and used without |author=, |editor=
			add_maint_cat ('others');
		end
	end

	local Year = A['Year'];
	local PublicationDate = A['PublicationDate'];
	local OrigYear = A['OrigYear'];
	local Date = A['Date'];
	local LayDate = A['LayDate'];
	------------------------------------------------- Get title data
	local Title = A['Title'];
	local ScriptTitle = A['ScriptTitle'];
	local BookTitle = A['BookTitle'];
	local Conference = A['Conference'];
	local TransTitle = A['TransTitle'];
	local TitleNote = A['TitleNote'];
	local TitleLink = A['TitleLink'];
			link_title_ok (TitleLink, A:ORIGIN ('TitleLink'), Title, 'title');	-- check for wikimarkup in |title-link= or wikimarkup in |title= when |title-link= is set

	local Chapter = A['Chapter'];
	local ScriptChapter = A['ScriptChapter'];
	local ScriptChapterOrigin = A:ORIGIN ('ScriptChapter');
	local ChapterLink	-- = A['ChapterLink'];									-- deprecated as a parameter but still used internally by cite episode
	local TransChapter = A['TransChapter'];
	local TitleType = A['TitleType'];
	local Degree = A['Degree'];
	local Docket = A['Docket'];
	local ArchiveFormat = A['ArchiveFormat'];

	local ArchiveDate;
	local ArchiveURL;

	ArchiveURL, ArchiveDate = archive_url_check (A['ArchiveURL'], A['ArchiveDate'])
	
	local UrlStatus = A['UrlStatus'];
	if 'url-status' == A:ORIGIN ('UrlStatus') then								-- interim: TODO: this line goes away
		if not is_valid_parameter_value (UrlStatus, 'url-status', cfg.keywords ['url-status']) then	-- set in config.defaults to 'dead'
			UrlStatus = '';														-- anything else, set to empty string
		end																		-- interim: TODO: this line goes away
	elseif is_set (A:ORIGIN ('UrlStatus')) then									-- interim: while both |dead-url= and |url-status= allowed use separate keyword lists; TODO: remove this section
		if not is_valid_parameter_value (UrlStatus, A:ORIGIN ('UrlStatus'), cfg.keywords ['deadurl']) then	-- interim: assume |dead-url=; use those keywords; TODO: this line goes away
			UrlStatus = '';														-- anything else, set to empty string; interim: TODO: this line goes away
		end																		-- interim: TODO: this line goes away
	end																			-- interim: TODO: this line goes away
	
	if in_array (UrlStatus, {'yes', 'true', 'y'}) then							-- TODO: remove this whole thing when |dead-url=[yes|no] parameters removed from articles
		UrlStatus = 'dead';
	elseif 'no' == UrlStatus then
		UrlStatus = 'live';
	end
	
	local URL = A['URL']
	local URLorigin = A:ORIGIN('URL');											-- get name of parameter that holds URL
	local ChapterURL = A['ChapterURL'];
	local ChapterURLorigin = A:ORIGIN('ChapterURL');							-- get name of parameter that holds ChapterURL
	local ConferenceFormat = A['ConferenceFormat'];
	local ConferenceURL = A['ConferenceURL'];
	local ConferenceURLorigin = A:ORIGIN('ConferenceURL');						-- get name of parameter that holds ConferenceURL
	local Periodical = A['Periodical'];
	local Periodical_origin = '';
		if is_set (Periodical) then
			Periodical_origin = A:ORIGIN('Periodical');							-- get the name of the periodical parameter
			local i;
			Periodical, i = strip_apostrophe_markup (Periodical);				-- strip appostrophe markup so that metadata isn't contaminated 
			if i then															-- non-zero when markup was stripped so emit an error message
				table.insert( z.message_tail, {set_error ('apostrophe_markup', {Periodical_origin}, true)});
			end
		end

	local ScriptPeriodical = A['ScriptPeriodical'];
	local ScriptPeriodical_origin = A:ORIGIN('ScriptPeriodical');
																				-- web and news not tested for now because of 
																				-- Wikipedia:Administrators%27_noticeboard#Is_there_a_semi-automated_tool_that_could_fix_these_annoying_"Cite_Web"_errors?
		if not (is_set (Periodical) or is_set (ScriptPeriodical)) then			-- 'periodical' templates require periodical parameter
--			local p = {['journal'] = 'journal', ['magazine'] = 'magazine', ['news'] = 'newspaper', ['web'] = 'website'};	-- for error message
			local p = {['journal'] = 'journal', ['magazine'] = 'magazine'};		-- for error message
			if p[config.CitationClass]  then
				table.insert( z.message_tail, {set_error ('missing_periodical', {config.CitationClass, p[config.CitationClass]}, true)});
			end
		end

	local TransPeriodical =  A['TransPeriodical'];

	local Series = A['Series'];
	
	local Volume;
	local Issue;
	local Page;
	local Pages;
	local At;

	if 'citation' == config.CitationClass then
		if is_set (Periodical) then
			if not in_array (Periodical_origin, {'website', 'mailinglist'}) then	-- {{citation}} does not render volume for these 'periodicals'
				Volume = A['Volume'];											-- but does for all other 'periodicals'
			end
		elseif is_set (ScriptPeriodical) then
			if 'script-website' ~= ScriptPeriodical_origin then					-- {{citation}} does not render volume for |script-website=
				Volume = A['Volume'];											-- but does for all other 'periodicals'
			end
		else
			Volume = A['Volume'];												-- and does for non-'periodical' cites
		end
	elseif in_array (config.CitationClass, cfg.templates_using_volume) then		-- render |volume= for cs1 according to the configuration settings
		Volume = A['Volume'];
	end	

	if 'citation' == config.CitationClass then
		if is_set (Periodical) and in_array (Periodical_origin, {'journal', 'magazine', 'newspaper', 'periodical', 'work'}) or	-- {{citation}} renders issue for these 'periodicals'
			is_set (ScriptPeriodical) and in_array (ScriptPeriodical_origin, {'script-journal', 'script-magazine', 'script-newspaper', 'script-periodical', 'script-work'}) then -- and these 'script-periodicals'
				Issue = hyphen_to_dash (A['Issue']);
		end
	elseif in_array (config.CitationClass, cfg.templates_using_issue) then		-- conference & map books do not support issue; {{citation}} listed here because included in settings table
		if not (in_array (config.CitationClass, {'conference', 'map', 'citation'}) and not (is_set (Periodical) or is_set (ScriptPeriodical))) then
			Issue = hyphen_to_dash (A['Issue']);
		end
	end

	local Position = '';
	if not in_array (config.CitationClass, cfg.templates_not_using_page) then
		Page = A['Page'];
		Pages = hyphen_to_dash (A['Pages']);	
		At = A['At'];
	end

	local Edition = A['Edition'];
	local PublicationPlace = A['PublicationPlace']
	local Place = A['Place'];
	
	local PublisherName = A['PublisherName'];
	local PublisherName_origin = A:ORIGIN('PublisherName');
		if is_set (PublisherName) then
			local i=0;
			PublisherName, i = strip_apostrophe_markup (PublisherName);			-- strip appostrophe markup so that metadata isn't contaminated; publisher is never italicized

			if i then															-- non-zero when markup was stripped so emit an error message
				table.insert( z.message_tail, {set_error ('apostrophe_markup', {PublisherName_origin}, true)});
			end
		end

	local RegistrationRequired = A['RegistrationRequired'];
		if not is_valid_parameter_value (RegistrationRequired, 'registration', cfg.keywords ['yes_true_y']) then
			RegistrationRequired=nil;
		end

	local SubscriptionRequired = A['SubscriptionRequired'];
		if not is_valid_parameter_value (SubscriptionRequired, 'subscription', cfg.keywords ['yes_true_y']) then
			SubscriptionRequired=nil;
		end

	local UrlAccess = A['UrlAccess'];
		if not is_valid_parameter_value (UrlAccess, 'url-access', cfg.keywords ['url-access']) then
			UrlAccess = nil;
		end
		if not is_set(URL) and is_set(UrlAccess) then
			UrlAccess = nil;
			table.insert( z.message_tail, { set_error( 'param_access_requires_param', {'url'}, true ) } );
		end
		
		if is_set (UrlAccess) and is_set (SubscriptionRequired) then			-- while not aliases, these are much the same so if both are set
			table.insert( z.message_tail, { set_error( 'redundant_parameters', {wrap_style ('parameter', 'url-access') .. ' and ' .. wrap_style ('parameter', 'subscription')}, true ) } );		-- add error message
			SubscriptionRequired = nil;											-- unset; prefer |access= over |subscription=
		end
		if is_set (UrlAccess) and is_set (RegistrationRequired) then			-- these are not the same but contradictory so if both are set
			table.insert( z.message_tail, { set_error( 'redundant_parameters', {wrap_style ('parameter', 'url-access') .. ' and ' .. wrap_style ('parameter', 'registration')}, true ) } );		-- add error message
			RegistrationRequired = nil;											-- unset; prefer |access= over |registration=
		end

	local ChapterUrlAccess = A['ChapterUrlAccess'];
		if not is_valid_parameter_value (ChapterUrlAccess, A:ORIGIN('ChapterUrlAccess'), cfg.keywords ['url-access']) then	-- same as url-access
			ChapterUrlAccess = nil;
		end
		if not is_set(ChapterURL) and is_set(ChapterUrlAccess) then
			ChapterUrlAccess = nil;
			table.insert( z.message_tail, { set_error( 'param_access_requires_param', {A:ORIGIN('ChapterUrlAccess'):gsub ('%-access', '')}, true ) } );
		end

	local MapUrlAccess = A['MapUrlAccess'];
		if not is_valid_parameter_value (MapUrlAccess, 'map-url-access', cfg.keywords ['url-access']) then
			MapUrlAccess = nil;
		end
		if not is_set(A['MapURL']) and is_set(MapUrlAccess) then
			MapUrlAccess = nil;
			table.insert( z.message_tail, { set_error( 'param_access_requires_param', {'map-url'}, true ) } );
		end

	local Via = A['Via'];
	local AccessDate = A['AccessDate'];
	local Agency = A['Agency'];

	local Language = A['Language'];
	local Format = A['Format'];
	local ChapterFormat = A['ChapterFormat'];
	local DoiBroken = A['DoiBroken'];
	local ID = A['ID'];
	local ASINTLD = A['ASINTLD'];
	local IgnoreISBN = A['IgnoreISBN'];
		if not is_valid_parameter_value (IgnoreISBN, 'ignore-isbn-error', cfg.keywords ['yes_true_y']) then
			IgnoreISBN = nil;													-- anything else, set to empty string
		end
	local Embargo = A['Embargo'];
	local Class = A['Class'];													-- arxiv class identifier

	local ID_list = extract_ids( args );
		if is_set (DoiBroken) and not ID_list['DOI'] then
			table.insert( z.message_tail, { set_error( 'doibroken_missing_doi', A:ORIGIN('DoiBroken'))});
		end
	local ID_access_levels = extract_id_access_levels( args, ID_list );

	local Quote = A['Quote'];

	local LayFormat = A['LayFormat'];
	local LayURL = A['LayURL'];
	local LaySource = A['LaySource'];
	local Transcript = A['Transcript'];
	local TranscriptFormat = A['TranscriptFormat'];
	local TranscriptURL = A['TranscriptURL'] 
	local TranscriptURLorigin = A:ORIGIN('TranscriptURL');						-- get name of parameter that holds TranscriptURL

	local LastAuthorAmp = A['LastAuthorAmp'];
		if not is_valid_parameter_value (LastAuthorAmp, 'last-author-amp', cfg.keywords ['yes_true_y']) then
			LastAuthorAmp = nil;												-- set to empty string
		end

	local no_tracking_cats = A['NoTracking'];
		if not is_valid_parameter_value (no_tracking_cats, 'no-tracking', cfg.keywords ['yes_true_y']) then
			no_tracking_cats = nil;												-- set to empty string
		end

	--local variables that are not cs1 parameters
	local use_lowercase;														-- controls capitalization of certain static text
	local this_page = mw.title.getCurrentTitle();								-- also used for COinS and for language
	local anchor_year;															-- used in the CITEREF identifier
	local COinS_date = {};														-- holds date info extracted from |date= for the COinS metadata by Module:Date verification

	local DF = A['DF'];															-- date format set in cs1|2 template
	if not is_valid_parameter_value (DF, 'df', cfg.keywords['date-format']) then	-- validate reformatting keyword
		DF = '';																-- not valid, set to empty string
	end
	if not is_set (DF) then
		DF = cfg.global_df;
	end

	local sepc;																	-- separator between citation elements for CS1 a period, for CS2, a comma
	local PostScript;
	local Ref;
	sepc, PostScript, Ref = set_style (Mode:lower(), A['PostScript'], A['Ref'], config.CitationClass);
	use_lowercase = ( sepc == ',' );											-- used to control capitalization for certain static text

	--check this page to see if it is in one of the namespaces that cs1 is not supposed to add to the error categories
	if not is_set (no_tracking_cats) then										-- ignore if we are already not going to categorize this page
		if in_array (this_page.nsText, cfg.uncategorized_namespaces) then
			no_tracking_cats = "true";											-- set no_tracking_cats
		end
		for _,v in ipairs (cfg.uncategorized_subpages) do						-- cycle through page name patterns
			if this_page.text:match (v) then									-- test page name against each pattern
				no_tracking_cats = "true";										-- set no_tracking_cats
				break;															-- bail out if one is found
			end
		end
	end

	-- check for extra |page=, |pages= or |at= parameters. (also sheet and sheets while we're at it)
	select_one( args, {'page', 'p', 'pp', 'pages', 'at', 'sheet', 'sheets'}, 'redundant_parameters' );	-- this is a dummy call simply to get the error message and category

	local coins_pages;
	
	Page, Pages, At, coins_pages = insource_loc_get (Page, Pages, At);

	local NoPP = A['NoPP'] 
	if is_set (NoPP) and is_valid_parameter_value (NoPP, 'nopp', cfg.keywords ['yes_true_y']) then
		NoPP = true;
	else
		NoPP = nil;																-- unset, used as a flag later
	end

	if not is_set(PublicationPlace) and is_set(Place) then						-- both |publication-place= and |place= (|location=) allowed if different
		PublicationPlace = Place;												-- promote |place= (|location=) to |publication-place
	end
	
	if PublicationPlace == Place then Place = ''; end							-- don't need both if they are the same
	
	--[[
	Parameter remapping for cite encyclopedia:
	When the citation has these parameters:
		|encyclopedia and |title then map |title to |article and |encyclopedia to |title
		|encyclopedia and |article then map |encyclopedia to |title

		|trans-title maps to |trans-chapter when |title is re-mapped
		|url maps to |chapterurl when |title is remapped
	
	All other combinations of |encyclopedia, |title, and |article are not modified
	
	]]

local Encyclopedia = A['Encyclopedia'];

	if ( config.CitationClass == "encyclopaedia" ) or ( config.CitationClass == "citation" and is_set (Encyclopedia)) then	-- test code for citation
		if is_set (Periodical) then												-- Periodical is set when |encyclopedia is set
			if is_set(Title) or is_set (ScriptTitle) then
				if not is_set(Chapter) then
					Chapter = Title;											-- |encyclopedia and |title are set so map |title to |article and |encyclopedia to |title
					ScriptChapter = ScriptTitle;
					ScriptChapterOrigin = 'title';
					TransChapter = TransTitle;
					ChapterURL = URL;
					ChapterUrlAccess = UrlAccess;

					if not is_set (ChapterURL) and is_set (TitleLink) then
						Chapter = make_wikilink (TitleLink, Chapter);
					end
					Title = Periodical;
					ChapterFormat = Format;
					Periodical = '';											-- redundant so unset
					TransTitle = '';
					URL = '';
					Format = '';
					TitleLink = '';
					ScriptTitle = '';
				end
			elseif is_set (Chapter) then										-- |title not set
				Title = Periodical;												-- |encyclopedia set and |article set so map |encyclopedia to |title
				Periodical = '';												-- redundant so unset
			end
		end
	end

	-- Special case for cite techreport.
	if (config.CitationClass == "techreport") then								-- special case for cite techreport
		if is_set(A['Number']) then												-- cite techreport uses 'number', which other citations alias to 'issue'
			if not is_set(ID) then												-- can we use ID for the "number"?
				ID = A['Number'];												-- yes, use it
			else																-- ID has a value so emit error message
				table.insert( z.message_tail, { set_error('redundant_parameters', {wrap_style ('parameter', 'id') .. ' and ' .. wrap_style ('parameter', 'number')}, true )});
			end
		end	
	end

	-- special case for cite mailing list
	if (config.CitationClass == "mailinglist") then
		Periodical = A ['MailingList'];
	elseif 'mailinglist' == Periodical_origin then
		Periodical = '';														-- unset because mailing list is only used for cite mailing list
	end

	-- Account for the oddity that is {{cite conference}}, before generation of COinS data.
	if 'conference' == config.CitationClass then
		if is_set(BookTitle) then
			Chapter = Title;
--			ChapterLink = TitleLink;											-- |chapterlink= is deprecated
			ChapterURL = URL;
			ChapterUrlAccess = UrlAccess;
			ChapterURLorigin = URLorigin;
			URLorigin = '';
			ChapterFormat = Format;
			TransChapter = TransTitle;
			Title = BookTitle;
			Format = '';
--			TitleLink = '';
			TransTitle = '';
			URL = '';
		end
	elseif 'speech' ~= config.CitationClass then
		Conference = '';														-- not cite conference or cite speech so make sure this is empty string
	end

	-- cite map oddities
	local Cartography = "";
	local Scale = "";
	local Sheet = A['Sheet'] or '';
	local Sheets = A['Sheets'] or '';
	if config.CitationClass == "map" then
		Chapter = A['Map'];
		ChapterURL = A['MapURL'];
		ChapterUrlAccess = MapUrlAccess;
		TransChapter = A['TransMap'];
		ChapterURLorigin = A:ORIGIN('MapURL');
		ChapterFormat = A['MapFormat'];
		
		Cartography = A['Cartography'];
		if is_set( Cartography ) then
			Cartography = sepc .. " " .. wrap_msg ('cartography', Cartography, use_lowercase);
		end		
		Scale = A['Scale'];
		if is_set( Scale ) then
			Scale = sepc .. " " .. Scale;
		end
	end

	-- Account for the oddities that are {{cite episode}} and {{cite serial}}, before generation of COinS data.
	if 'episode' == config.CitationClass or 'serial' == config.CitationClass then
		local AirDate = A['AirDate'];
		local SeriesLink = A['SeriesLink'];

		link_title_ok (SeriesLink, A:ORIGIN ('SeriesLink'), Series, 'series');	-- check for wikimarkup in |series-link= or wikimarkup in |series= when |series-link= is set

		local Network = A['Network'];
		local Station = A['Station'];
		local s, n = {}, {};
																				-- do common parameters first
		if is_set(Network) then table.insert(n, Network); end
		if is_set(Station) then table.insert(n, Station); end
		ID = table.concat(n, sepc .. ' ');
		
		if not is_set (Date) and is_set (AirDate) then							-- promote airdate to date
			Date = AirDate;
		end

		if 'episode' == config.CitationClass then								-- handle the oddities that are strictly {{cite episode}}
			local Season = A['Season'];
			local SeriesNumber = A['SeriesNumber'];

			if is_set (Season) and is_set (SeriesNumber) then					-- these are mutually exclusive so if both are set
				table.insert( z.message_tail, { set_error( 'redundant_parameters', {wrap_style ('parameter', 'season') .. ' and ' .. wrap_style ('parameter', 'seriesno')}, true ) } );		-- add error message
				SeriesNumber = '';												-- unset; prefer |season= over |seriesno=
			end
																				-- assemble a table of parts concatenated later into Series
			if is_set(Season) then table.insert(s, wrap_msg ('season', Season, use_lowercase)); end
			if is_set(SeriesNumber) then table.insert(s, wrap_msg ('seriesnum', SeriesNumber, use_lowercase)); end
			if is_set(Issue) then table.insert(s, wrap_msg ('episode', Issue, use_lowercase)); end
			Issue = '';															-- unset because this is not a unique parameter
	
			Chapter = Title;													-- promote title parameters to chapter
			ScriptChapter = ScriptTitle;
			ScriptChapterOrigin = 'title';
			ChapterLink = TitleLink;											-- alias episodelink
			TransChapter = TransTitle;
			ChapterURL = URL;
			ChapterUrlAccess = UrlAccess;
			ChapterURLorigin = A:ORIGIN('URL');
			
			Title = Series;														-- promote series to title
			TitleLink = SeriesLink;
			Series = table.concat(s, sepc .. ' ');								-- this is concatenation of season, seriesno, episode number

			if is_set (ChapterLink) and not is_set (ChapterURL) then			-- link but not URL
				Chapter = make_wikilink (ChapterLink, Chapter);
			elseif is_set (ChapterLink) and is_set (ChapterURL) then			-- if both are set, URL links episode;
				Series = make_wikilink (ChapterLink, Series);
			end
			URL = '';															-- unset
			TransTitle = '';
			ScriptTitle = '';
			
		else																	-- now oddities that are cite serial
			Issue = '';															-- unset because this parameter no longer supported by the citation/core version of cite serial
			Chapter = A['Episode'];												-- TODO: make |episode= available to cite episode someday?
			if is_set (Series) and is_set (SeriesLink) then
				Series = make_wikilink (SeriesLink, Series);
			end
			Series = wrap_style ('italic-title', Series);						-- series is italicized
		end	
	end
	-- end of {{cite episode}} stuff

	-- Account for the oddities that are {{cite arxiv}}, {{cite biorxiv}}, {{cite citeseerx}}, {{cite ssrn}}, before generation of COinS data.
	do
		if in_array (config.CitationClass, {'arxiv', 'biorxiv', 'citeseerx', 'ssrn'}) then
			if not is_set (ID_list[config.CitationClass:upper()]) then			-- |arxiv= or |eprint= required for cite arxiv; |biorxiv= & |citeseerx= required for their templates
				table.insert( z.message_tail, { set_error( config.CitationClass .. '_missing', {}, true ) } );	-- add error message
			end

			Periodical = ({['arxiv'] = 'arXiv', ['biorxiv'] = bioRxiv, ['citeseerx'] = 'CiteSeerX', ['ssrn'] = 'Social Science Research Network'})[config.CitationClass];
		end
	end

	-- handle type parameter for those CS1 citations that have default values
	if in_array(config.CitationClass, {"AV-media-notes", "interview", "mailinglist", "map", "podcast", "pressrelease", "report", "techreport", "thesis"}) then
		TitleType = set_titletype (config.CitationClass, TitleType);
		if is_set(Degree) and "Thesis" == TitleType then						-- special case for cite thesis
			TitleType = Degree .. ' ' .. cfg.title_types ['thesis']:lower();
		end
	end

	if is_set(TitleType) then													-- if type parameter is specified
		TitleType = substitute( cfg.messages['type'], TitleType);				-- display it in parentheses
	-- TODO: Hack on TitleType to fix bunched parentheses problem
	end

	-- legacy: promote PublicationDate to Date if neither Date nor Year are set.
 	local Date_origin;															-- to hold the name of parameter promoted to Date; required for date error messaging

	if not is_set (Date) then
		Date = Year;															-- promote Year to Date
		Year = nil;																-- make nil so Year as empty string isn't used for CITEREF
		if not is_set (Date) and is_set(PublicationDate) then					-- use PublicationDate when |date= and |year= are not set
			Date = PublicationDate;												-- promote PublicationDate to Date
			PublicationDate = '';												-- unset, no longer needed
			Date_origin = A:ORIGIN('PublicationDate');							-- save the name of the promoted parameter
		else
			Date_origin = A:ORIGIN('Year');										-- save the name of the promoted parameter
		end
	else
		Date_origin = A:ORIGIN('Date');											-- not a promotion; name required for error messaging
	end

	if PublicationDate == Date then PublicationDate = ''; end					-- if PublicationDate is same as Date, don't display in rendered citation

	--[[
	Go test all of the date-holding parameters for valid MOS:DATE format and make sure that dates are real dates. This must be done before we do COinS because here is where
	we get the date used in the metadata.
	
	Date validation supporting code is in Module:Citation/CS1/Date_validation
	]]
	do	-- create defined block to contain local variables error_message, date_parameters_list, mismatch
		local error_message = '';
																				-- AirDate has been promoted to Date so not necessary to check it
		local date_parameters_list = {
			['access-date'] = {val=AccessDate, name=A:ORIGIN ('AccessDate')},
			['archive-date'] = {val=ArchiveDate, name=A:ORIGIN ('ArchiveDate')},
			['date'] = {val=Date, name=Date_origin},
			['doi-broken-date'] = {val=DoiBroken, name=A:ORIGIN ('DoiBroken')},
			['embargo'] = {val=Embargo, name=A:ORIGIN ('Embargo')},
			['lay-date'] = {val=LayDate, name=A:ORIGIN ('LayDate')},
			['publication-date'] ={val=PublicationDate, name=A:ORIGIN ('PublicationDate')},
			['year'] = {val=Year, name=A:ORIGIN ('Year')},
			};
		anchor_year, Embargo, error_message = dates(date_parameters_list, COinS_date);

-- start temporary Julian / Gregorian calendar uncertainty categorization
		if COinS_date.inter_cal_cat then
			add_prop_cat ('jul_greg_uncertainty');
		end
-- end temporary Julian / Gregorian calendar uncertainty categorization

		if is_set (Year) and is_set (Date) then									-- both |date= and |year= not normally needed; 
			local mismatch = year_date_check (Year, Date)
			if 0 == mismatch then												-- |year= does not match a year-value in |date=
				if is_set (error_message) then									-- if there is already an error message
					error_message = error_message .. ', ';						-- tack on this additional message
				end
				error_message = error_message .. '&#124;year= / &#124;date= mismatch';
			elseif 1 == mismatch then											-- |year= matches year-value in |date=
				add_maint_cat ('date_year');
			end
		end
		
		if not is_set(error_message) then										-- error free dates only
			local modified = false;												-- flag
			
			if is_set (DF) then													-- if we need to reformat dates
				modified = reformat_dates (date_parameters_list, DF, false);	-- reformat to DF format, use long month names if appropriate
			end

			if true == date_hyphen_to_dash (date_parameters_list) then			-- convert hyphens to dashes where appropriate
				modified = true;
				add_maint_cat ('date_format');									-- hyphens were converted so add maint category
			end
			
	-- for those wikis that can and want to have English date names translated to the local language,
	-- uncomment these three lines.  Not supported by en.wiki (for obvious reasons)
	-- set date_name_xlate() second argument to true to translate English digits to local digits (will translate ymd dates)
--			if date_name_xlate (date_parameters_list, false) then
--				modified = true;
--			end

			if modified then													-- if the date_parameters_list values were modified
				AccessDate = date_parameters_list['access-date'].val;			-- overwrite date holding parameters with modified values
				ArchiveDate = date_parameters_list['archive-date'].val;
				Date = date_parameters_list['date'].val;
				DoiBroken = date_parameters_list['doi-broken-date'].val;
				LayDate = date_parameters_list['lay-date'].val;
				PublicationDate = date_parameters_list['publication-date'].val;
			end
		else
			table.insert( z.message_tail, { set_error( 'bad_date', {error_message}, true ) } );	-- add this error message
		end
	end	-- end of do

	-- Account for the oddity that is {{cite journal}} with |pmc= set and |url= not set.  Do this after date check but before COInS.
	-- Here we unset Embargo if PMC not embargoed (|embargo= not set in the citation) or if the embargo time has expired. Otherwise, holds embargo date
	Embargo = is_embargoed (Embargo);

	if config.CitationClass == "journal" and not is_set(URL) and is_set(ID_list['PMC']) then
		if not is_set (Embargo) then											-- if not embargoed or embargo has expired
			URL=cfg.id_handlers['PMC'].prefix .. ID_list['PMC'];				-- set url to be the same as the PMC external link if not embargoed
			URLorigin = cfg.id_handlers['PMC'].parameters[1];					-- set URLorigin to parameter name for use in error message if citation is missing a |title=
			if is_set(AccessDate) then											-- access date requires |url=; pmc created url is not |url=
				table.insert( z.message_tail, { set_error( 'accessdate_missing_url', {}, true ) } );
				AccessDate = '';												-- unset
			end

		end
	end

	-- At this point fields may be nil if they weren't specified in the template use.  We can use that fact.
	-- Test if citation has no title
	if	not is_set(Title) and
		not is_set(TransTitle) and
		not is_set(ScriptTitle) then
			if 'episode' == config.CitationClass then							-- special case for cite episode; TODO: is there a better way to do this?
				table.insert( z.message_tail, { set_error( 'citation_missing_title', {'series'}, true ) } );
			else
				table.insert( z.message_tail, { set_error( 'citation_missing_title', {'title'}, true ) } );
			end
	end

	if 'none' == Title and
			in_array (config.CitationClass, {'journal', 'citation'}) and
			(is_set (Periodical) or is_set (ScriptPeriodical)) and
			('journal' == Periodical_origin or 'script-journal' == ScriptPeriodical_origin) then	-- special case for journal cites
				Title = '';														-- set title to empty string
				add_maint_cat ('untitled');
	end

	check_for_url ({															-- add error message when any of these parameters hold a URL
		['title']=Title,
		[A:ORIGIN('Chapter')]=Chapter,
		[Periodical_origin] = Periodical,
		[PublisherName_origin] = PublisherName
		});

	-- COinS metadata (see <http://ocoins.info/>) for automated parsing of citation information.
	-- handle the oddity that is cite encyclopedia and {{citation |encyclopedia=something}}. Here we presume that
	-- when Periodical, Title, and Chapter are all set, then Periodical is the book (encyclopedia) title, Title
	-- is the article title, and Chapter is a section within the article.  So, we remap 
	
	local coins_chapter = Chapter;												-- default assuming that remapping not required
	local coins_title = Title;													-- et tu
	if 'encyclopaedia' == config.CitationClass or ('citation' == config.CitationClass and is_set (Encyclopedia)) then
		if is_set (Chapter) and is_set (Title) and is_set (Periodical) then		-- if all are used then
			coins_chapter = Title;												-- remap
			coins_title = Periodical;
		end
	end
	local coins_author = a;														-- default for coins rft.au 
	if 0 < #c then																-- but if contributor list
		coins_author = c;														-- use that instead
	end

	-- this is the function call to COinS()
	local OCinSoutput = COinS({
		['Periodical'] = strip_apostrophe_markup (Periodical),					-- no markup in the metadata
		['Encyclopedia'] = strip_apostrophe_markup (Encyclopedia),
		['Chapter'] = make_coins_title (coins_chapter, ScriptChapter),			-- Chapter and ScriptChapter stripped of bold / italic wikimarkup
		['Degree'] = Degree;													-- cite thesis only
		['Title'] = make_coins_title (coins_title, ScriptTitle),				-- Title and ScriptTitle stripped of bold / italic wikimarkup
		['PublicationPlace'] = PublicationPlace,
		['Date'] = COinS_date.rftdate,											-- COinS_date has correctly formatted date if Date is valid;
		['Season'] = COinS_date.rftssn,
		['Chron'] =  COinS_date.rftchron or (not COinS_date.rftdate and Date) or '',	-- chron but if not set and invalid date format use Date; keep this last bit?
		['Series'] = Series,
		['Volume'] = Volume,
		['Issue'] = Issue,
		['Pages'] = coins_pages or get_coins_pages (first_set ({Sheet, Sheets, Page, Pages, At}, 5)),	-- pages stripped of external links
		['Edition'] = Edition,
		['PublisherName'] = PublisherName,										-- any apostrophe markup already removed
		['URL'] = first_set ({ChapterURL, URL}, 2),
		['Authors'] = coins_author,
		['ID_list'] = ID_list,
		['RawPage'] = this_page.prefixedText,
	}, config.CitationClass);

	-- Account for the oddities that are {{cite arxiv}}, {{cite biorxiv}}, {{cite citeseerx}}, and {{cite ssrn}} AFTER generation of COinS data.
	if in_array (config.CitationClass, {'arxiv', 'biorxiv', 'citeseerx', 'ssrn'}) then	-- we have set rft.jtitle in COinS to arXiv, bioRxiv, CiteSeerX, or ssrn now unset so it isn't displayed
		Periodical = '';														-- periodical not allowed in these templates; if article has been published, use cite journal
	end

	-- special case for cite newsgroup.  Do this after COinS because we are modifying Publishername to include some static text
	if 'newsgroup' == config.CitationClass then
		if is_set (PublisherName) then
			PublisherName = substitute (cfg.messages['newsgroup'], external_link( 'news:' .. PublisherName, PublisherName, PublisherName_origin, nil ));
		end
	end

	-- Now perform various field substitutions.
	-- We also add leading spaces and surrounding markup and punctuation to the
	-- various parts of the citation, but only when they are non-nil.
	local EditorCount;															-- used only for choosing {ed.) or (eds.) annotation at end of editor name-list
	do
		local last_first_list;
		local control = { 
			format = NameListFormat,											-- empty string or 'vanc'
			maximum = nil,														-- as if display-authors or display-editors not set
			lastauthoramp = LastAuthorAmp,
			page_name = this_page.text,											-- get current page name so that we don't wikilink to it via editorlinkn
			mode = Mode
		};

		do																		-- do editor name list first because the now unsupported coauthors used to modify control table
			control.maximum , editor_etal = get_display_names (A['DisplayEditors'], #e, 'editors', editor_etal);
			last_first_list, EditorCount = list_people(control, e, editor_etal);

			if is_set (Editors) then
				Editors, editor_etal = name_has_etal (Editors, editor_etal, false, 'editors');	-- find and remove variations on et al.
				if editor_etal then
					Editors = Editors .. ' ' .. cfg.messages['et al'];			-- add et al. to editors parameter beause |display-editors=etal
					EditorCount = 2;											-- with et al., |editors= is multiple names; spoof to display (eds.) annotation
				else
					EditorCount = 2;											-- we don't know but assume |editors= is multiple names; spoof to display (eds.) annotation
				end
			else
				Editors = last_first_list;										-- either an author name list or an empty string
			end

			if 1 == EditorCount and (true == editor_etal or 1 < #e) then		-- only one editor displayed but includes etal then 
				EditorCount = 2;												-- spoof to display (eds.) annotation
			end
		end
		do																		-- now do interviewers
			control.maximum , interviewer_etal = get_display_names (A['DisplayInterviewers'], #interviewers_list, 'interviewers', interviewer_etal);
			Interviewers = list_people (control, interviewers_list, interviewer_etal);
		end
		do																		-- now do translators
			control.maximum , translator_etal = get_display_names (A['DisplayTranslators'], #t, 'translators', translator_etal);
			Translators = list_people (control, t, translator_etal);
		end
		do																		-- now do contributors
			control.maximum , contributor_etal = get_display_names (A['DisplayContributors'], #c, 'contributors', contributor_etal);
			Contributors = list_people (control, c, contributor_etal);
		end
		do																		-- now do authors
			control.maximum , author_etal = get_display_names (A['DisplayAuthors'], #a, 'authors', author_etal);

			last_first_list = list_people(control, a, author_etal);

			if is_set (Authors) then
				Authors, author_etal = name_has_etal (Authors, author_etal, false, 'authors');	-- find and remove variations on et al.
				if author_etal then
					Authors = Authors .. ' ' .. cfg.messages['et al'];			-- add et al. to authors parameter
				end
			else
				Authors = last_first_list;										-- either an author name list or an empty string
			end
		end																		-- end of do
	
		if is_set (Authors) and is_set (Collaboration) then
			Authors = Authors .. ' (' .. Collaboration .. ')';					-- add collaboration after et al.
		end

	end

	-- apply |[xx-]format= styling; at the end, these parameters hold correctly styled format annotation,
	-- an error message if the associated url is not set, or an empty string for concatenation
	ArchiveFormat = style_format (ArchiveFormat, ArchiveURL, 'archive-format', 'archive-url');
	ConferenceFormat = style_format (ConferenceFormat, ConferenceURL, 'conference-format', 'conference-url');
	Format = style_format (Format, URL, 'format', 'url');
	LayFormat = style_format (LayFormat, LayURL, 'lay-format', 'lay-url');
	TranscriptFormat = style_format (TranscriptFormat, TranscriptURL, 'transcript-format', 'transcripturl');

	-- special case for chapter format so no error message or cat when chapter not supported
	if not (in_array(config.CitationClass, {'web', 'news', 'journal', 'magazine', 'pressrelease', 'podcast', 'newsgroup', 'arxiv', 'biorxiv', 'citeseerx', 'ssrn'}) or
		('citation' == config.CitationClass and (is_set (Periodical) or is_set (ScriptPeriodical)) and not is_set (Encyclopedia))) then
			ChapterFormat = style_format (ChapterFormat, ChapterURL, 'chapter-format', 'chapter-url');
	end

	if not is_set(URL) then
		if in_array(config.CitationClass, {"web","podcast", "mailinglist"}) or		-- |url= required for cite web, cite podcast, and cite mailinglist
			('citation' == config.CitationClass and ('website' == Periodical_origin or 'script-website' == ScriptPeriodical_origin)) then	-- and required for {{citation}} with |website= or |script-website=
				table.insert( z.message_tail, { set_error( 'cite_web_url', {}, true ) } );
		end
		
		-- do we have |accessdate= without either |url= or |chapter-url=?
		if is_set(AccessDate) and not is_set(ChapterURL)then					-- ChapterURL may be set when URL is not set;
			table.insert( z.message_tail, { set_error( 'accessdate_missing_url', {}, true ) } );
			AccessDate = '';
		end
	end

	local OriginalURL, OriginalURLorigin, OriginalFormat, OriginalAccess;
--	DeadURL = DeadURL:lower();													-- used later when assembling archived text
	UrlStatus = UrlStatus:lower();												-- used later when assembling archived text
	if is_set( ArchiveURL ) then
		if is_set (ChapterURL) then 											-- if chapter-url is set apply archive url to it
			OriginalURL = ChapterURL;											-- save copy of source chapter's url for archive text
			OriginalURLorigin = ChapterURLorigin;								-- name of chapter-url parameter for error messages
			OriginalFormat = ChapterFormat;										-- and original |chapter-format=
--			if 'no' ~= DeadURL then
			if 'live' ~= UrlStatus then
				ChapterURL = ArchiveURL											-- swap-in the archive's url
				ChapterURLorigin = A:ORIGIN('ArchiveURL')						-- name of archive-url parameter for error messages
				ChapterFormat = ArchiveFormat or '';							-- swap in archive's format
				ChapterUrlAccess = nil;											-- restricted access levels do not make sense for archived urls
			end
		elseif is_set (URL) then
			OriginalURL = URL;													-- save copy of original source URL
			OriginalURLorigin = URLorigin;										-- name of url parameter for error messages
			OriginalFormat = Format; 											-- and original |format=
			OriginalAccess = UrlAccess;
--			if 'no' ~= DeadURL then												-- if URL set then archive-url applies to it
			if 'live' ~= UrlStatus then											-- if URL set then archive-url applies to it
				URL = ArchiveURL												-- swap-in the archive's url
				URLorigin = A:ORIGIN('ArchiveURL')								-- name of archive url parameter for error messages
				Format = ArchiveFormat or '';									-- swap in archive's format
				UrlAccess = nil;												-- restricted access levels do not make sense for archived urls
			end
 		end
	end

	if in_array(config.CitationClass, {'web','news','journal', 'magazine', 'pressrelease', 'podcast', 'newsgroup', 'arxiv', 'biorxiv', 'citeseerx', 'ssrn'}) or	-- if any of the 'periodical' cites except encyclopedia
		('citation' == config.CitationClass and (is_set (Periodical) or is_set (ScriptPeriodical)) and not is_set (Encyclopedia)) then
			local chap_param;
			if is_set (Chapter) then											-- get a parameter name from one of these chapter related meta-parameters
				chap_param = A:ORIGIN ('Chapter')
			elseif is_set (TransChapter) then
				chap_param = A:ORIGIN ('TransChapter')
			elseif is_set (ChapterURL) then
				chap_param = A:ORIGIN ('ChapterURL')
			elseif is_set (ScriptChapter) then
				chap_param = ScriptChapterOrigin;
			else is_set (ChapterFormat)
				chap_param = A:ORIGIN ('ChapterFormat')
			end

			if is_set (chap_param) then											-- if we found one
				table.insert( z.message_tail, { set_error( 'chapter_ignored', {chap_param}, true ) } );		-- add error message
				Chapter = '';													-- and set them to empty string to be safe with concatenation
				TransChapter = '';
				ChapterURL = '';
				ScriptChapter = '';
				ChapterFormat = '';
			end
	else																		-- otherwise, format chapter / article title
		local no_quotes = false;												-- default assume that we will be quoting the chapter parameter value
		if is_set (Contribution) and 0 < #c then								-- if this is a contribution with contributor(s)
			if in_array (Contribution:lower(), cfg.keywords.contribution) then	-- and a generic contribution title
				no_quotes = true;												-- then render it unquoted
			end
		end

		Chapter = format_chapter_title (ScriptChapter, ScriptChapterOrigin, Chapter, TransChapter, ChapterURL, ChapterURLorigin, no_quotes, ChapterUrlAccess);		-- Contribution is also in Chapter
		if is_set (Chapter) then
			Chapter = Chapter .. ChapterFormat ;
			if 'map' == config.CitationClass and is_set (TitleType) then
				Chapter = Chapter .. ' ' .. TitleType;							-- map annotation here; not after title
			end
			Chapter = Chapter.. sepc .. ' ';
		elseif is_set (ChapterFormat) then										-- |chapter= not set but |chapter-format= is so ...
			Chapter = ChapterFormat .. sepc .. ' ';								-- ... ChapterFormat has error message, we want to see it
		end
	end

	-- Format main title.
	if is_set (ArchiveURL) and mw.ustring.match (mw.ustring.lower(Title), cfg.special_case_translation['archived_copy']) then	-- if title is 'Archived copy' (place holder added by bots that can't find proper title)
		add_maint_cat ('archived_copy');										-- add maintenance category before we modify the content of Title
	end

	if Title:match ('^%(%(.*%)%)$') then										-- if keep as written markup:
		Title= Title:gsub ('^%(%((.*)%)%)$', '%1')								-- remove the markup
	else
		if '...' == Title:sub (-3) then											-- if elipsis is the last three characters of |title=
			Title = Title:gsub ('(%.%.%.)%.+$', '%1');							-- limit the number of dots to three
		elseif not mw.ustring.find (Title, '%.%s*%a%.$') and					-- end of title is not a 'dot-(optional space-)letter-dot' initialism ...
			not mw.ustring.find (Title, '%s+%a%.$') then						-- ...and not a 'space-letter-dot' initial (''Allium canadense'' L.)
				Title = mw.ustring.gsub(Title, '%'..sepc..'$', '');				-- remove any trailing separator character; sepc and ms.ustring() here for languages that use multibyte separator characters
		end
	end
	
	if in_array(config.CitationClass, {'web', 'news', 'journal', 'magazine', 'pressrelease', 'podcast', 'newsgroup', 'mailinglist', 'interview', 'arxiv', 'biorxiv', 'citeseerx', 'ssrn'}) or
		('citation' == config.CitationClass and (is_set (Periodical) or is_set (ScriptPeriodical)) and not is_set (Encyclopedia)) or
		('map' == config.CitationClass and (is_set (Periodical) or is_set (ScriptPeriodical))) then		-- special case for cite map when the map is in a periodical treat as an article
			Title = kern_quotes (Title);										-- if necessary, separate title's leading and trailing quote marks from Module provided quote marks
			Title = wrap_style ('quoted-title', Title);
			Title = script_concatenate (Title, ScriptTitle, 'script-title');	-- <bdi> tags, lang atribute, categorization, etc; must be done after title is wrapped
			TransTitle= wrap_style ('trans-quoted-title', TransTitle );
	elseif 'report' == config.CitationClass then								-- no styling for cite report
		Title = script_concatenate (Title, ScriptTitle, 'script-title');		-- <bdi> tags, lang atribute, categorization, etc; must be done after title is wrapped
		TransTitle= wrap_style ('trans-quoted-title', TransTitle );				-- for cite report, use this form for trans-title
	else
		Title = wrap_style ('italic-title', Title);
		Title = script_concatenate (Title, ScriptTitle, 'script-title');		-- <bdi> tags, lang atribute, categorization, etc; must be done after title is wrapped
		TransTitle = wrap_style ('trans-italic-title', TransTitle);
	end

	local TransError = "";
	if is_set(TransTitle) then
		if is_set(Title) then
			TransTitle = " " .. TransTitle;
		else
			TransError = " " .. set_error( 'trans_missing_title', {'title'} );
		end
	end

	if is_set(Title) then
		if not is_set (TitleLink) and is_set (URL) then
			Title = external_link (URL, Title, URLorigin, UrlAccess) .. TransTitle .. TransError .. Format;
			URL = '';															-- unset these because no longer needed
			Format = "";
		elseif is_set (TitleLink) and not is_set (URL) then
			local ws_url;
			ws_url = wikisource_url_make (TitleLink);							-- ignore ws_label return; not used here
			if ws_url then
				Title = external_link (ws_url, Title .. '&nbsp;', 'ws link in title-link');	-- space char after Title to move icon away from italic text; TODO: a better way to do this?
				Title = substitute (cfg.presentation['interwiki-icon'], {cfg.presentation['class-wikisource'], TitleLink, Title});				
				Title = Title .. TransTitle .. TransError;
			else
				Title = make_wikilink (TitleLink, Title) .. TransTitle .. TransError;
			end
		else
			local ws_url, ws_label;
			ws_url, ws_label, L = wikisource_url_make (Title);					-- make ws url from |title= interwiki link; link portion L becomes tool tip label
			if ws_url then
				Title = Title:gsub ('%b[]', ws_label);							-- replace interwiki link with ws_label to retain markup
				Title = external_link (ws_url, Title .. '&nbsp;', 'ws link in title');	-- space char after Title to move icon away from italic text; TODO: a better way to do this?
				Title = substitute (cfg.presentation['interwiki-icon'], {cfg.presentation['class-wikisource'], L, Title});				
				Title = Title .. TransTitle .. TransError;
			else
				Title = Title .. TransTitle .. TransError;
			end
		end
	else
		Title = TransTitle .. TransError;
	end

	if is_set(Place) then
		Place = " " .. wrap_msg ('written', Place, use_lowercase) .. sepc .. " ";
	end

	if is_set (Conference) then
		if is_set (ConferenceURL) then
			Conference = external_link( ConferenceURL, Conference, ConferenceURLorigin, nil );
		end
		Conference = sepc .. " " .. Conference .. ConferenceFormat;
	elseif is_set(ConferenceURL) then
		Conference = sepc .. " " .. external_link( ConferenceURL, nil, ConferenceURLorigin, nil );
	end

	if not is_set(Position) then
		local Minutes = A['Minutes'];
		local Time = A['Time'];

		if is_set(Minutes) then
			if is_set (Time) then
				table.insert( z.message_tail, { set_error( 'redundant_parameters', {wrap_style ('parameter', 'minutes') .. ' and ' .. wrap_style ('parameter', 'time')}, true ) } );
			end
			Position = " " .. Minutes .. " " .. cfg.messages['minutes'];
		else
			if is_set(Time) then
				local TimeCaption = A['TimeCaption']
				if not is_set(TimeCaption) then
					TimeCaption = cfg.messages['event'];
					if sepc ~= '.' then
						TimeCaption = TimeCaption:lower();
					end
				end
				Position = " " .. TimeCaption .. " " .. Time;
			end
		end
	else
		Position = " " .. Position;
		At = '';
	end

	Page, Pages, Sheet, Sheets = format_pages_sheets (Page, Pages, Sheet, Sheets, config.CitationClass, Periodical_origin, sepc, NoPP, use_lowercase);

	At = is_set(At) and (sepc .. " " .. At) or "";
	Position = is_set(Position) and (sepc .. " " .. Position) or "";
	if config.CitationClass == 'map' then
		local Section = A['Section'];
		local Sections = A['Sections'];
		local Inset = A['Inset'];
		
		if is_set( Inset ) then
			Inset = sepc .. " " .. wrap_msg ('inset', Inset, use_lowercase);
		end			

		if is_set( Sections ) then
			Section = sepc .. " " .. wrap_msg ('sections', Sections, use_lowercase);
		elseif is_set( Section ) then
			Section = sepc .. " " .. wrap_msg ('section', Section, use_lowercase);
		end
		At = At .. Inset .. Section;		
	end	

	if is_set (Language) then
		Language = language_parameter (Language);								-- format, categories, name from ISO639-1, etc
	else
		Language="";															-- language not specified so make sure this is an empty string;
	--[[ TODO: need to extract the wrap_msg from language_parameter
	so that we can solve parentheses bunching problem with Format/Language/TitleType
	]]
	end

	Others = is_set(Others) and (sepc .. " " .. Others) or "";
	
	if is_set (Translators) then
		Others = safe_join ({sepc .. ' ', wrap_msg ('translated', Translators, use_lowercase), Others}, sepc);
	end
	if is_set (Interviewers) then
		Others = safe_join ({sepc .. ' ', wrap_msg ('interview', Interviewers, use_lowercase), Others}, sepc);
	end
	
	TitleNote = is_set(TitleNote) and (sepc .. " " .. TitleNote) or "";
	if is_set (Edition) then
		if Edition:match ('%f[%a][Ee]d%.?$') or Edition:match ('%f[%a][Ee]dition$') then
			add_maint_cat ('extra_text', 'edition');
		end
		Edition = " " .. wrap_msg ('edition', Edition);
	else
		Edition = '';
	end

	Series = is_set (Series) and wrap_msg ('series', {sepc, Series}) or "";		-- not the same as SeriesNum
	OrigYear = is_set (OrigYear) and wrap_msg ('origyear', OrigYear) or '';
	Agency = is_set (Agency) and wrap_msg ('agency', {sepc, Agency}) or "";
	Volume = format_volume_issue (Volume, Issue, config.CitationClass, Periodical_origin, sepc, use_lowercase);

	------------------------------------ totally unrelated data
	Via = is_set (Via) and  wrap_msg ('via', Via) or '';

	--[[
	Subscription implies paywall; Registration does not.  If both are used in a citation, the subscription required link
	note is displayed. There are no error messages for this condition.
	
	]]
	if is_set (SubscriptionRequired) then
		SubscriptionRequired = sepc .. " " .. cfg.messages['subscription'];		-- subscription required message
	elseif is_set (RegistrationRequired) then
		SubscriptionRequired = sepc .. " " .. cfg.messages['registration'];		-- registration required message
	else
		SubscriptionRequired = '';												-- either or both might be set to something other than yes true y
	end

	if is_set(AccessDate) then
		local retrv_text = " " .. cfg.messages['retrieved']

		AccessDate = nowrap_date (AccessDate);									-- wrap in nowrap span if date in appropriate format
		if (sepc ~= ".") then retrv_text = retrv_text:lower() end				-- if mode is cs2, lower case
		AccessDate = substitute (retrv_text, AccessDate);						-- add retrieved text

		AccessDate = substitute (cfg.presentation['accessdate'], {sepc, AccessDate});	-- allow editors to hide accessdates
	end
	
	if is_set(ID) then ID = sepc .." ".. ID; end
   	if "thesis" == config.CitationClass and is_set(Docket) then
		ID = sepc .." Docket ".. Docket .. ID;
	end
   	if "report" == config.CitationClass and is_set(Docket) then					-- for cite report when |docket= is set
		ID = sepc .. ' ' .. Docket;												-- overwrite ID even if |id= is set
	end

	ID_list = build_id_list( ID_list, {IdAccessLevels=ID_access_levels, DoiBroken = DoiBroken, ASINTLD = ASINTLD, IgnoreISBN = IgnoreISBN, Embargo=Embargo, Class = Class} );

	if is_set(URL) then
		URL = " " .. external_link( URL, nil, URLorigin, UrlAccess );
	end

	if is_set(Quote) then
		if Quote:sub(1,1) == '"' and Quote:sub(-1,-1) == '"' then				-- if first and last characters of quote are quote marks
			Quote = Quote:sub(2,-2);											-- strip them off
		end
		Quote = sepc .." " .. wrap_style ('quoted-text', Quote ); 				-- wrap in <q>...</q> tags
		PostScript = "";														-- cs1|2 does not supply terminal punctuation when |quote= is set
	end
	
	local Archived
	if is_set(ArchiveURL) then
		if not is_set(ArchiveDate) then
			ArchiveDate = set_error('archive_missing_date');
		end
		if "live" == UrlStatus then
			local arch_text = cfg.messages['archived'];
			if sepc ~= "." then arch_text = arch_text:lower() end
			Archived = sepc .. " " .. substitute( cfg.messages['archived-live'],
				{ external_link( ArchiveURL, arch_text, A:ORIGIN('ArchiveURL'), nil ) .. ArchiveFormat, ArchiveDate } );
			if not is_set(OriginalURL) then
				Archived = Archived .. " " .. set_error('archive_missing_url');							   
			end
		elseif is_set(OriginalURL) then											-- UrlStatus is empty, 'dead', 'unfit', 'usurped', 'bot: unknown'
			local arch_text = cfg.messages['archived-dead'];
			if sepc ~= "." then arch_text = arch_text:lower() end
			if in_array (UrlStatus, {'unfit', 'usurped', 'bot: unknown'}) then
				Archived = sepc .. " " .. 'Archived from the original on ' .. ArchiveDate;	-- format already styled
				if 'bot: unknown' == UrlStatus then
					add_maint_cat ('bot:_unknown');								-- and add a category if not already added
				else
					add_maint_cat ('unfit');									-- and add a category if not already added
				end
			else																-- UrlStatus is empty, 'dead'
				Archived = sepc .. " " .. substitute( arch_text,
					{ external_link( OriginalURL, cfg.messages['original'], OriginalURLorigin, OriginalAccess ) .. OriginalFormat, ArchiveDate } );	-- format already styled
			end	
		else
			local arch_text = cfg.messages['archived-missing'];
			if sepc ~= "." then arch_text = arch_text:lower() end
			Archived = sepc .. " " .. substitute( arch_text, 
				{ set_error('archive_missing_url'), ArchiveDate } );
		end
	elseif is_set (ArchiveFormat) then
		Archived = ArchiveFormat;												-- if set and ArchiveURL not set ArchiveFormat has error message
	else
		Archived = ""
	end
	
	local Lay = '';
	if is_set(LayURL) then
		if is_set(LayDate) then LayDate = " (" .. LayDate .. ")" end
		if is_set(LaySource) then 
			LaySource = " &ndash; ''" .. safe_for_italics(LaySource) .. "''";
		else
			LaySource = "";
		end
		if sepc == '.' then
			Lay = sepc .. " " .. external_link( LayURL, cfg.messages['lay summary'], A:ORIGIN('LayURL'), nil ) .. LayFormat .. LaySource .. LayDate
		else
			Lay = sepc .. " " .. external_link( LayURL, cfg.messages['lay summary']:lower(), A:ORIGIN('LayURL'), nil ) .. LayFormat .. LaySource .. LayDate
		end			
	elseif is_set (LayFormat) then												-- Test if |lay-format= is given without giving a |lay-url=
		Lay = sepc .. LayFormat;												-- if set and LayURL not set, then LayFormat has error message
	end

	if is_set(Transcript) then
		if is_set(TranscriptURL) then
			Transcript = external_link( TranscriptURL, Transcript, TranscriptURLorigin, nil );
		end
		Transcript = sepc .. ' ' .. Transcript .. TranscriptFormat;
	elseif is_set(TranscriptURL) then
		Transcript = external_link( TranscriptURL, nil, TranscriptURLorigin, nil );
	end

	local Publisher;
	if is_set(PublicationDate) then
		PublicationDate = wrap_msg ('published', PublicationDate);
	end
	if is_set(PublisherName) then
		if is_set(PublicationPlace) then
			Publisher = sepc .. " " .. PublicationPlace .. ": " .. PublisherName .. PublicationDate;
		else
			Publisher = sepc .. " " .. PublisherName .. PublicationDate;  
		end			
	elseif is_set(PublicationPlace) then 
		Publisher= sepc .. " " .. PublicationPlace .. PublicationDate;
	else 
		Publisher = PublicationDate;
	end
	
	-- Several of the above rely upon detecting this as nil, so do it last.
	if (is_set (Periodical) or is_set (ScriptPeriodical) or is_set (TransPeriodical)) then
		if is_set(Title) or is_set(TitleNote) then 
			Periodical = sepc .. " " .. format_periodical (ScriptPeriodical, ScriptPeriodical_origin, Periodical, TransPeriodical);
		else 
			Periodical = format_periodical (ScriptPeriodical, ScriptPeriodical_origin, Periodical, TransPeriodical);
		end
	end

	--[[
	Handle the oddity that is cite speech.  This code overrides whatever may be the value assigned to TitleNote (through |department=) and forces it to be " (Speech)" so that
	the annotation directly follows the |title= parameter value in the citation rather than the |event= parameter value (if provided).
	]]
	if "speech" == config.CitationClass then									-- cite speech only
		TitleNote = " (Speech)";												-- annotate the citation
		if is_set (Periodical) then												-- if Periodical, perhaps because of an included |website= or |journal= parameter 
			if is_set (Conference) then											-- and if |event= is set
				Conference = Conference .. sepc .. " ";							-- then add appropriate punctuation to the end of the Conference variable before rendering
			end
		end
	end

	-- Piece all bits together at last.  Here, all should be non-nil.
	-- We build things this way because it is more efficient in LUA
	-- not to keep reassigning to the same string variable over and over.

	local tcommon;
	local tcommon2;																-- used for book cite when |contributor= is set
	
	if in_array(config.CitationClass, {"journal","citation"}) and is_set(Periodical) then
		if is_set(Others) then Others = safe_join ({Others, sepc .. " "}, sepc) end		-- add terminal punctuation & space; check for dup sepc; TODO why do we need to do this here?
		tcommon = safe_join( {Others, Title, TitleNote, Conference, Periodical, Format, TitleType, Series, Language, Edition, Publisher, Agency, Volume}, sepc );
	elseif in_array(config.CitationClass, {"book","citation"}) and not is_set(Periodical) then		-- special cases for book cites
		if is_set (Contributors) then											-- when we are citing foreword, preface, introduction, etc
			tcommon = safe_join( {Title, TitleNote}, sepc );					-- author and other stuff will come after this and before tcommon2
			tcommon2 = safe_join( {Conference, Periodical, Format, TitleType, Series, Language, Volume, Others, Edition, Publisher, Agency}, sepc );
		else
			tcommon = safe_join( {Title, TitleNote, Conference, Periodical, Format, TitleType, Series, Language, Volume, Others, Edition, Publisher, Agency}, sepc );
		end

	elseif 'map' == config.CitationClass then									-- special cases for cite map
		if is_set (Chapter) then												-- map in a book; TitleType is part of Chapter
			tcommon = safe_join( {Title, Format, Edition, Scale, Series, Language, Cartography, Others, Publisher, Volume}, sepc );
		elseif is_set (Periodical) then											-- map in a periodical
			tcommon = safe_join( {Title, TitleType, Format, Periodical, Scale, Series, Language, Cartography, Others, Publisher, Volume}, sepc );
		else																	-- a sheet or stand-alone map
			tcommon = safe_join( {Title, TitleType, Format, Edition, Scale, Series, Language, Cartography, Others, Publisher}, sepc );
		end
		
	elseif 'episode' == config.CitationClass then								-- special case for cite episode
		tcommon = safe_join( {Title, TitleNote, TitleType, Series, Language, Edition, Publisher}, sepc );

	else																		-- all other CS1 templates
		tcommon = safe_join( {Title, TitleNote, Conference, Periodical, Format, TitleType, Series, Language, 
			Volume, Others, Edition, Publisher, Agency}, sepc );
	end
	
	if #ID_list > 0 then
		ID_list = safe_join( { sepc .. " ",  table.concat( ID_list, sepc .. " " ), ID }, sepc );
	else
		ID_list = ID;
	end
	
	local idcommon;
	if 'audio-visual' == config.CitationClass or 'episode' == config.CitationClass then	-- special case for cite AV media & cite episode position transcript
		idcommon = safe_join( { ID_list, URL, Archived, Transcript, AccessDate, Via, SubscriptionRequired, Lay, Quote }, sepc );
	else
		idcommon = safe_join( { ID_list, URL, Archived, AccessDate, Via, SubscriptionRequired, Lay, Quote }, sepc );
	end
	
	local text;
	local pgtext = Position .. Sheet .. Sheets .. Page .. Pages .. At;

	if is_set(Date) then
		if is_set (Authors) or is_set (Editors) then							-- date follows authors or editors when authors not set
			Date = " (" .. Date ..")" .. OrigYear .. sepc .. " ";				-- in paranetheses
		else																	-- neither of authors and editors set
			if (string.sub(tcommon,-1,-1) == sepc) then							-- if the last character of tcommon is sepc
				Date = " " .. Date .. OrigYear;									-- Date does not begin with sepc
			else
				Date = sepc .. " " .. Date .. OrigYear;							-- Date begins with sepc
			end
		end
	end	
	if is_set(Authors) then
		if (not is_set (Date)) then												-- when date is set it's in parentheses; no Authors termination
			Authors = terminate_name_list (Authors, sepc);						-- when no date, terminate with 0 or 1 sepc and a space
		end
		if is_set(Editors) then
			local in_text = " ";
			local post_text = "";
			if is_set(Chapter) and 0 == #c then
				in_text = in_text .. cfg.messages['in'] .. " "
				if (sepc ~= '.') then
					in_text = in_text:lower()									-- lowercase for cs2
				end
			end
			if EditorCount <= 1 then
				post_text = " (" .. cfg.messages['editor'] .. ")";				-- be consistent with no-author, no-date case
			else
				post_text = " (" .. cfg.messages['editors'] .. ")";
			end
			Editors = terminate_name_list (in_text .. Editors .. post_text, sepc);	-- terminate with 0 or 1 sepc and a space
		end
		if is_set (Contributors) then											-- book cite and we're citing the intro, preface, etc
			local by_text = sepc .. ' ' .. cfg.messages['by'] .. ' ';
			if (sepc ~= '.') then by_text = by_text:lower() end					-- lowercase for cs2
			Authors = by_text .. Authors;										-- author follows title so tweak it here
			if is_set (Editors) and is_set (Date) then							-- when Editors make sure that Authors gets terminated
				Authors = terminate_name_list (Authors, sepc);					-- terminate with 0 or 1 sepc and a space
			end
			if (not is_set (Date)) then											-- when date is set it's in parentheses; no Contributors termination
				Contributors = terminate_name_list (Contributors, sepc);		-- terminate with 0 or 1 sepc and a space
			end
			text = safe_join( {Contributors, Date, Chapter, tcommon, Authors, Place, Editors, tcommon2, pgtext, idcommon }, sepc );
		else
			text = safe_join( {Authors, Date, Chapter, Place, Editors, tcommon, pgtext, idcommon }, sepc );
		end
	elseif is_set(Editors) then
		if is_set(Date) then
			if EditorCount <= 1 then
				Editors = Editors .. ", " .. cfg.messages['editor'];
			else
				Editors = Editors .. ", " .. cfg.messages['editors'];
			end
		else
			if EditorCount <= 1 then
				Editors = Editors .. " (" .. cfg.messages['editor'] .. ")" .. sepc .. " "
			else
				Editors = Editors .. " (" .. cfg.messages['editors'] .. ")" .. sepc .. " "
			end
		end
		text = safe_join( {Editors, Date, Chapter, Place, tcommon, pgtext, idcommon}, sepc );
	else
		if in_array(config.CitationClass, {"journal","citation"}) and is_set(Periodical) then
			text = safe_join( {Chapter, Place, tcommon, pgtext, Date, idcommon}, sepc );
		else
			text = safe_join( {Chapter, Place, tcommon, Date, pgtext, idcommon}, sepc );
		end
	end
	
	if is_set(PostScript) and PostScript ~= sepc then
		text = safe_join( {text, sepc}, sepc ); 								--Deals with italics, spaces, etc.
		text = text:sub(1,-sepc:len()-1);
	end	
	
	text = safe_join( {text, PostScript}, sepc );

	-- Now enclose the whole thing in a <cite/> element
	local options = {};
	
	if is_set(config.CitationClass) and config.CitationClass ~= "citation" then
		options.class = config.CitationClass;
		options.class = "citation " .. config.CitationClass;					-- class=citation required for blue highlight when used with |ref=
	else
		options.class = "citation";
	end
	
	if is_set(Ref) and Ref:lower() ~= "none" then								-- set reference anchor if appropriate
		local id = Ref
		if ('harv' == Ref ) then
			local namelist = {};												-- holds selected contributor, author, editor name list
			local year = first_set ({Year, anchor_year}, 2);					-- Year first for legacy citations and for YMD dates that require disambiguation

			if #c > 0 then														-- if there is a contributor list
				namelist = c;													-- select it
			elseif #a > 0 then													-- or an author list
				namelist = a;
			elseif #e > 0 then													-- or an editor list
				namelist = e;
			end
			if #namelist > 0 then												-- if there are names in namelist
				id = anchor_id (namelist, year);								-- go make the CITEREF anchor
			else
				id = '';														-- unset
			end
		end
		options.id = id;
	end
	
	if string.len(text:gsub("<span[^>/]*>(.-)</span>", "%1"):gsub("%b<>","")) <= 2 then	-- remove <span> tags and other html-like markup; then get length of what remains
		z.error_categories = {};
		text = set_error('empty_citation');
		z.message_tail = {};
	end
	
	local render = {};															-- here we collect the final bits for concatenation into the rendered citation

	if is_set(options.id) then													-- here we wrap the rendered citation in <cite ...>...</cite> tags
		table.insert (render, substitute (cfg.presentation['cite-id'], {mw.uri.anchorEncode(options.id), mw.text.nowiki(options.class), text}));	-- when |ref= is set
	else
		table.insert (render, substitute (cfg.presentation['cite'], {mw.text.nowiki(options.class), text}));	-- all other cases
	end		

	table.insert (render, substitute (cfg.presentation['ocins'], {OCinSoutput}));	-- append metadata to the citation

	if 0 ~= #z.message_tail then
		table.insert (render, ' ');
		for i,v in ipairs( z.message_tail ) do
			if is_set(v[1]) then
				if i == #z.message_tail then
					table.insert (render, error_comment( v[1], v[2] ));
				else
					table.insert (render, error_comment( v[1] .. "; ", v[2] ));
				end
			end
		end
	end

	if 0 ~= #z.maintenance_cats then
		local maint_msgs = {};													-- here we collect all of the maint messages
		for _, v in ipairs( z.maintenance_cats ) do								-- append maintenance categories
			local maint = {};													-- here we assemble a maintenence message
			table.insert (maint, v);											-- maint msg is the category name
			table.insert (maint, ' (');											-- open the link text
			table.insert (maint, make_wikilink (':Category:' .. v, 'link'));	-- add the link
			table.insert (maint, ')');											-- and close it
			table.insert (maint_msgs, table.concat (maint));					-- assemble new maint message and add it to the maint_msgs table
		end
		table.insert (render, substitute (cfg.presentation['hidden-maint'], table.concat (maint_msgs, ' ')));	-- wrap the group of maint message with proper presentation and save
	end
	
	no_tracking_cats = no_tracking_cats:lower();
	if in_array(no_tracking_cats, {"", "no", "false", "n"}) then
		for _, v in ipairs( z.error_categories ) do
			table.insert (render, make_wikilink ('Category:' .. v));
		end
		for _, v in ipairs( z.maintenance_cats ) do								-- append maintenance categories
			table.insert (render, make_wikilink ('Category:' .. v));
		end
		for _, v in ipairs( z.properties_cats ) do								-- append properties categories
			table.insert (render, make_wikilink ('Category:' .. v));
		end
	end

	return table.concat (render);	
end


--[[--------------------------< V A L I D A T E >--------------------------------------------------------------

Looks for a parameter's name in one of several whitelists.

Parameters in the whitelist can have three values:
	true - active, supported parameters
	false - deprecated, supported parameters
	nil - unsupported parameters
	
]]

local function validate (name, cite_class)
	local name = tostring (name);
	local state;
	
	if in_array (cite_class, {'arxiv', 'biorxiv', 'citeseerx', 'ssrn'}) then	-- limited parameter sets allowed for these templates
		state = whitelist.limited_basic_arguments[name];
		if true == state then return true; end									-- valid actively supported parameter
		if false == state then
			deprecated_parameter (name);										-- parameter is deprecated but still supported
			return true;
		end

		state = whitelist[cite_class .. '_basic_arguments'][name];				-- look in the parameter-list for the template identified by cite_class

		if true == state then return true; end									-- valid actively supported parameter
		if false == state then
			deprecated_parameter (name);										-- parameter is deprecated but still supported
			return true;
		end
																				-- limited enumerated parameters list
		name = name:gsub("%d+", "#" );											-- replace digit(s) with # (last25 becomes last#) (mw.ustring because non-Western 'local' digits)
		state = whitelist.limited_numbered_arguments[name];
		if true == state then return true; end									-- valid actively supported parameter
		if false == state then
			deprecated_parameter (name);										-- parameter is deprecated but still supported
			return true;
		end

		return false;															-- not supported because not found or name is set to nil
	end																			-- end limited parameter-set templates
		
	state = whitelist.basic_arguments[name];									-- all other templates; all normal parameters allowed
											
	if true == state then return true; end										-- valid actively supported parameter
	if false == state then
		deprecated_parameter (name);											-- parameter is deprecated but still supported
		return true;
	end
																				-- all enumerated parameters allowed
	name = name:gsub("%d+", "#" );												-- replace digit(s) with # (last25 becomes last#) (mw.ustring because non-Western 'local' digits)
	state = whitelist.numbered_arguments[name];

	if true == state then return true; end										-- valid actively supported parameter
	if false == state then
		deprecated_parameter (name);											-- parameter is deprecated but still supported
		return true;
	end
	
	return false;																-- not supported because not found or name is set to nil
end


--[[--------------------------< M I S S I N G _ P I P E _ C H E C K >------------------------------------------

Look at the contents of a parameter. If the content has a string of characters and digits followed by an equal
sign, compare the alphanumeric string to the list of cs1|2 parameters.  If found, then the string is possibly a
parameter that is missing its pipe:
	{{cite ... |title=Title access-date=2016-03-17}}

cs1|2 shares some parameter names with xml/html atributes: class=, title=, etc.  To prevent false positives xml/html
tags are removed before the search.

If a missing pipe is detected, this function adds the missing pipe maintenance category.

]]

local function missing_pipe_check (parameter, value)
	local capture;
	value = value:gsub ('%b<>', '');											-- remove xml/html tags because attributes: class=, title=, etc 

	capture = value:match ('%s+(%a[%w%-]+)%s*=') or value:match ('^(%a[%w%-]+)%s*=');	-- find and categorize parameters with possible missing pipes
	if capture and validate (capture) then								-- if the capture is a valid parameter name
		table.insert( z.message_tail, {set_error ('missing_pipe',parameter)});
	end
end


--[[--------------------------< H A S _ E X T R A N E O U S _ P U N C T >--------------------------------------

look for extraneous terminal punctuation in most parameter values; parameters listed in skip table are not checked

]]

local function has_extraneous_punc (param, value)
	if cfg.punct_skip[param] then
		return;																	-- parameter name found in the skip table so done
	end
	
	if value:match ('[,;:]$') then
		add_maint_cat ('extra_punct');											-- has extraneous punctuation; add maint cat
	end
end


--[[--------------------------< C I T A T I O N >--------------------------------------------------------------

This is used by templates such as {{cite book}} to create the actual citation text.

]]

local function citation(frame)
	Frame = frame;																-- save a copy incase we need to display an error message in preview mode
	local pframe = frame:getParent()
	local validation, utilities, identifiers, metadata, styles;
	
	if nil ~= string.find (frame:getTitle(), 'sandbox', 1, true) then			-- did the {{#invoke:}} use sandbox version?
		cfg = mw.loadData ('Module:Citation/CS1/Configuration/sandbox');		-- load sandbox versions of support modules
		whitelist = mw.loadData ('Module:Citation/CS1/Whitelist/sandbox');
		utilities = require ('Module:Citation/CS1/Utilities/sandbox');
		validation = require ('Module:Citation/CS1/Date_validation/sandbox');
		identifiers = require ('Module:Citation/CS1/Identifiers/sandbox');
		metadata = require ('Module:Citation/CS1/COinS/sandbox');
		styles = 'Module:Citation/CS1/sandbox/styles.css';
		
	else																		-- otherwise
		cfg = mw.loadData ('Module:Citation/CS1/Configuration');				-- load live versions of support modules
		whitelist = mw.loadData ('Module:Citation/CS1/Whitelist');
		utilities = require ('Module:Citation/CS1/Utilities');
		validation = require ('Module:Citation/CS1/Date_validation');
		identifiers = require ('Module:Citation/CS1/Identifiers');
		metadata = require ('Module:Citation/CS1/COinS');
		styles = 'Module:Citation/CS1/styles.css';

	end

	utilities.set_selected_modules (cfg);										-- so that functions in Utilities can see the cfg tables
	identifiers.set_selected_modules (cfg, utilities);							-- so that functions in Identifiers can see the selected cfg tables and selected Utilities module
	validation.set_selected_modules (cfg, utilities);							-- so that functions in Date validataion can see selected cfg tables and the selected Utilities module
	metadata.set_selected_modules (cfg, utilities);								-- so that functions in COinS can see the selected cfg tables and selected Utilities module

	dates = validation.dates;													-- imported functions from Module:Citation/CS1/Date validation
	year_date_check = validation.year_date_check;
	reformat_dates = validation.reformat_dates;
	date_hyphen_to_dash = validation.date_hyphen_to_dash;
	date_name_xlate = validation.date_name_xlate;

	is_set = utilities.is_set;													-- imported functions from Module:Citation/CS1/Utilities
	in_array = utilities.in_array;
	substitute = utilities.substitute;
	error_comment = utilities.error_comment;
	set_error = utilities.set_error;
	select_one = utilities.select_one;
	add_maint_cat = utilities.add_maint_cat;
	wrap_style = utilities.wrap_style;
	safe_for_italics = utilities.safe_for_italics;
	is_wikilink = utilities.is_wikilink;
	make_wikilink = utilities.make_wikilink;
	strip_apostrophe_markup = utilities.strip_apostrophe_markup;

	z = utilities.z;															-- table of error and category tables in Module:Citation/CS1/Utilities

	extract_ids = identifiers.extract_ids;										-- imported functions from Module:Citation/CS1/Identifiers
	build_id_list = identifiers.build_id_list;
	is_embargoed = identifiers.is_embargoed;
	extract_id_access_levels = identifiers.extract_id_access_levels;
	
	make_coins_title = metadata.make_coins_title;								-- imported functions from Module:Citation/CS1/COinS
	get_coins_pages = metadata.get_coins_pages;
	COinS = metadata.COinS;

	local args = {};															-- table where we store all of the template's arguments
	local suggestions = {};														-- table where we store suggestions if we need to loadData them
	local error_text, error_state;

	local config = {};															-- table to store parameters from the module {{#invoke:}}
	for k, v in pairs( frame.args ) do
		config[k] = v;
--		args[k] = v;															-- debug tool that allows us to render a citation from module {{#invoke:}}
	end	

	local capture;																-- the single supported capture when matching unknown parameters using patterns
	for k, v in pairs( pframe.args ) do
		if v ~= '' then
			if ('string' == type (k)) then
				k = mw.ustring.gsub (k, '%d', cfg.date_names.local_digits);		-- for enumerated parameters, translate 'local' digits to Western 0-9
			end
			if not validate( k, config.CitationClass ) then			
				error_text = "";
				if type( k ) ~= 'string' then
					-- Exclude empty numbered parameters
					if v:match("%S+") ~= nil then
						error_text, error_state = set_error( 'text_ignored', {v}, true );
					end
				elseif validate( k:lower(), config.CitationClass ) then 
					error_text, error_state = set_error( 'parameter_ignored_suggest', {k, k:lower()}, true );	-- suggest the lowercase version of the parameter
				else
					if nil == suggestions.suggestions then						-- if this table is nil then we need to load it
						if nil ~= string.find (frame:getTitle(), 'sandbox', 1, true) then			-- did the {{#invoke:}} use sandbox version?
							suggestions = mw.loadData( 'Module:Citation/CS1/Suggestions/sandbox' );	-- use the sandbox version
						else
							suggestions = mw.loadData( 'Module:Citation/CS1/Suggestions' );			-- use the live version
						end
					end
					for pattern, param in pairs (suggestions.patterns) do		-- loop through the patterns to see if we can suggest a proper parameter
						capture = k:match (pattern);							-- the whole match if no caputre in pattern else the capture if a match
						if capture then											-- if the pattern matches 
							param = substitute (param, capture);				-- add the capture to the suggested parameter (typically the enumerator)
							if validate (param, config.CitationClass) then		-- validate the suggestion to make sure that the suggestion is supported by this template (necessary for limited parameter lists)
								error_text, error_state = set_error ('parameter_ignored_suggest', {k, param}, true);	-- set the suggestion error message
							else
								error_text, error_state = set_error( 'parameter_ignored', {param}, true );	-- suggested param not supported by this template
							end
						end
					end
					if not is_set (error_text) then								-- couldn't match with a pattern, is there an expicit suggestion?
						if suggestions.suggestions[ k:lower() ] ~= nil then
							error_text, error_state = set_error( 'parameter_ignored_suggest', {k, suggestions.suggestions[ k:lower() ]}, true );
						else
							error_text, error_state = set_error( 'parameter_ignored', {k}, true );
							v = '';												-- unset value assigned to unrecognized parameters (this for the limited parameter lists)
						end
					end
				end				  
				if error_text ~= '' then
					table.insert( z.message_tail, {error_text, error_state} );
				end				
			end
			missing_pipe_check (k, v);												-- do we think that there is a parameter that is missing a pipe?
																				-- TODO: is this the best place for this translation?
			args[k] = v;
		elseif args[k] ~= nil or (k == 'postscript') then						-- here when v is empty string
			args[k] = v;														-- why do we do this?  we don't support 'empty' parameters
		end		
	end	

	for k, v in pairs( args ) do
		if 'string' == type (k) then											-- don't evaluate positional parameters
			has_invisible_chars (k, v);
			has_extraneous_punc (k, v);											-- look for extraneous terminal punctuation in parameter values
		end
	end
	return table.concat ({citation0( config, args), frame:extensionTag ('templatestyles', '', {src=styles})});
end

--[[--------------------------< E X P O R T E D   F U N C T I O N S >------------------------------------------
]]

return {citation = citation};
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