Module:Cite archive
Documentation for this module may be created at Module:Cite archive/doc
require('Module:No globals') local f = {}; local code_style="color:inherit; border:inherit; padding:inherit;"; -- used in styling error messages --[[--------------------------< I S _ S E T >------------------------------------------------------------------ Whether variable is set or not. A variable is set when it is not nil and not empty. ]] local function is_set( var ) return not (var == nil or var == ''); end --[[--------------------------< S E L E C T _ O N E >---------------------------------------------------------- Choose one parameter value from a list of parameter values. If more than one is set, emit error message. ]] local function select_one (list, args) local selected_param; local selected_val=''; for param, value in pairs (list) do -- loop through the list if not is_set (selected_param) then -- if we have not yet selected a parameter value if is_set (value) then -- is this value set? selected_val = value; -- select it selected_param = param; -- remember the name for possible error message end else if is_set (value) then -- error message if we have selected and found another set parameter args.err_msg = string.format (' more than one of <code style="%s">|%s=</code> and <code style="%s">|%s=</code>', code_style, selected_param, code_style, param) break; end end end return selected_val or ''; -- return selected value or empty string if none set end --[[--------------------------< M A K E _ N A M E >------------------------------------------------------------ Assembles last, first, link, or mask into a displayable author name. ]] local function make_name (last, first, link, mask) local name = last; if is_set (first) then name = name .. ', ' .. first; -- concatenate first onto last end if is_set (link) then name = '[[' .. link .. '|' .. name .. ']]'; -- form a wikilink around the name end if is_set (mask) then -- mask this author mask = tonumber (mask); -- because the value provided might not be a number if is_set (mask) then name = string.rep ('—', mask) -- make a string that number length of mdashes end end return name; end --[[-------------------------< M A K E _ A U T H O R _ L I S T >---------------------------------------------- form the authors display list: if |display-authors= is empty or omitted, display is similar to cs1|2: display all names in last, first order if |display-authors=etal then displays all author names in last, first order and append et al. if value assigned to |display-authors= is less than the number of author last names, displays the specified number of author names in last, first order followed by et al. ]] local function make_author_list (args, number_of_authors) local authors = ''; local i = 1; local count; local etal = false; -- when |display-authors= is same as number of authors in contributor list if is_set (args.display_authors) then if 'etal' == args.display_authors:lower():gsub("[ '%.]", '') then -- the :gsub() portion makes 'etal' from a variety of 'et al.' spellings and stylings count = number_of_authors; -- display all authors and ... etal = true; -- ... append 'et al.' else count = tonumber (args.display_authors) or 0; -- 0 if can't be converted to a number if 0 >= count then args.err_msg = string.format ('%s invalid <code style="%s">|display-authors=</code>; ', args.err_msg, code_style); -- args.err_msg = args.err_msg .. ' invalid |display-authors='; -- if zero, then emit error message count = number_of_authors; -- and display all authors end end if count > number_of_authors then count = number_of_authors; -- when |display-authors= is more than the number of authors, use the number of authors end if count < number_of_authors then -- when |display-authors= is less than the number of authors etal = true; -- append 'et al.' end else count = number_of_authors; -- set count to display all of the authors end while i <= count do if is_set (authors) then authors = authors .. '; ' .. make_name (args.last[i], args.first[i], args.link[i], args.mask[i]); -- the rest of the authors else authors = make_name (args.last[i], args.first[i], args.link[i], args.mask[i]); -- first author's name end i = i+1; -- bump the index end if true == etal then authors = authors .. '; et al.'; -- append et al. elseif 'yes' == args.last_author_amp then authors = authors:gsub('; ([^;]+)$', ' & %1') -- replace last separator with ' & ' end -- if args.sepc ~= authors:sub(-1) and args.sepc .. ']]' ~= authors:sub(-3) then -- authors = authors; -- add separator if not same as last character in name list (|first=John S. or et al.) -- end -- TODO: better way to handle wikilink case? authors = authors:gsub ('%' .. args.sepc .. '$', '', 1); -- remove trailing separator character authors = authors:gsub ('%' .. args.sepc .. ']]$', ']]', 1); -- remove trailing separator character inside wikilink return authors; end --[[--------------------------< M A K E _ I T E M >------------------------------------------------------------ This function formats |item= and, if present, |item-url= into the linked part and if present appends |date= and |type= with appropriate markup to complete the item portion of the citation. This function assumes that item has a value when it is called. ]] local function make_item (item, url, item_date, item_type) local output = {}; -- table of item bits if is_set (url) then item = string.format ('[%s %s]', url, item); -- make item into an external wikilink end table.insert (output, string.format ('"%s"', item)); -- enclose in quotes and add to table if is_set (item_date) then table.insert (output, string.format ('(%s)', item_date)); -- enclose in parentheses and add to table end if is_set (item_type) then table.insert (output, string.format ('[%s]', item_type)); -- enclose in square brackets and add to table end return table.concat (output, ' '); -- concatenate with space as separator end --[[--------------------------< M A K E _ C O L L E C T I O N >------------------------------------------------ This function formats |collection= and, if present, |collection-url= into the linked part and if present, appends the values from |fonds=, |series=, |box=, |file=, |itemid=, and |page= or |pages= to complete the collection portion of the citation. This function assumes that collection has a value when it is called (because that is one of the two required parameters) ]] local function make_collection (args) local output = {}; -- table of collections bits local collection = args.collection; if is_set (args.collectionURL) then collection = string.format ('[%s %s]', args.collectionURL, collection); -- make collection into an external wikilink end table.insert (output, string.format ('%s', collection)); -- enclose in quotes and add to table if is_set (args.fonds) then table.insert (output, string.format ('Fonds: %s', args.fonds)); -- format and add to table end if is_set (args.series) then table.insert (output, string.format ('Series: %s', args.series)); -- format and add to table end if is_set (args.box) then table.insert (output, string.format ('Box: %s', args.box)); -- format and add to table end if is_set (args.file) then table.insert (output, string.format ('File: %s', args.file)); -- format and add to table end if is_set (args.itemID) then table.insert (output, string.format ('ID: %s', args.itemID)); -- format and add to table end if is_set (args.p) then table.insert (output, string.format ('%s%s', args.page_sep, args.p)); elseif is_set (args.pp) then table.insert (output, string.format ('%s%s', args.pages_sep, args.pp)); end if is_set (args.p) and is_set (args.pp) then args.err_msg = string.format ('%s more than one of <code style="%s">|page=</code> and <code style="%s">|pages=</code>; ', args.err_msg, code_style, code_style); end return table.concat (output, ', '); -- concatenate with comma space as separator end --[[--------------------------< M A K E _ L O C A T I O N >---------------------------------------------------- This function formats |location=, |repository, and |institution= into the location portion of the citation. This function assumes that |institution= (a required parameter) has a value when it is called. Unlike other groups of parameters, the required parameter is the 'last' and separator characters are not all the same. ]] local function make_location (location, repository, institution) local output = {}; -- table of location bits if is_set (location) then location = string.format ('%s: ', location); -- format end if is_set (repository) then table.insert (output, repository); -- and add to table end table.insert (output, institution); -- and add to table return string.format ('%s%s', location, table.concat (output, ', ')); -- concatenate with comma space separators end --[[--------------------------< M A K E _ I D E N T I F I E R S >---------------------------------------------- This function formats |oclc= and |accession into the identifiers portion of the citation. Neither of these parameters are required. ]] local function make_identifiers (args) local output = {}; -- table ofidentifier bits if is_set (args.oclc) then table.insert (output, string.format ('[[OCLC]] [https://www.worldcat.org/oclc/ %s]', args.oclc)); end if is_set (args.accession) then table.insert (output, args.accession); end return table.concat (output, args.sepc .. ' '); -- concatenate with sepc space as separator end --[[--------------------------< _ C I T E _ A R C H I V E >---------------------------------------------------- Assembles the various parts provided by the template into a properly formatted citation. Adds punctuation and text; encloses the whole within a cite tag with id and class attributes. This creates a CITEREF anchor from |last1= through |last4= and the year portion of |date= when |ref=harv. ]] local function _cite_archive (args) local cite_open_tag; -- holds CITEREF and css local authors = ''; -- list of authors local identifiers = ''; -- OCLC and accession identifiers list local result = {}; -- the assembly of the citation's output -- form the CITEREF anchor if 'harv' == args.ref then cite_open_tag = '<cite id="CITEREF' .. table.concat (args.citeref) .. args.year .. '" class="citation archive">'; elseif is_set (args.ref) then cite_open_tag = '<cite id="' .. args.ref .. '" class="citation archive">'; else cite_open_tag = '<cite class="citation archive">'; end if 0 ~= #args.last then -- if there are author names table.insert (result, make_author_list (args, #args.last)); -- assemble author name list and add to result table end if is_set (args.item) then -- if there is an item table.insert (result, make_item (args.item, args.itemURL, args.date, args.type)); -- build the item portion of the citation end table.insert (result, make_collection (args)); -- build the collection portion of the citation (|collection= is required) table.insert (result, make_location (args.location, args.repository, args.institution)); -- build the location portion of the citation (institution= is required) identifiers = make_identifiers (args); -- build the identifiers (oclc and accession) portion of the citation if is_set (identifiers) then table.insert (result, identifiers); end if is_set (args.accessdate) then table.insert (result, args.retrieved .. args.accessdate); end -- wrap error messages in span and add help link if is_set (args.err_msg) then args.err_msg = '<span style="font-size:100%" class="error"> cite archive:' .. args.err_msg .. ' ([[Template:cite archive|help]])</span>'; end -- and put it all together and be done return string.format ('%s%s%s</cite>%s', cite_open_tag, table.concat (result, args.sepc .. ' '), args.ps, args.err_msg); end --[[--------------------------< F . C I T E _ A R C H I V E >-------------------------------------------------- Entry point from {{cite archive}} template. Fetches parent frame parameters, does a bit of simple error checking and calls _cite_archive() if required parameters are present. ]] function f.cite_archive (frame) local args = { err_msg = '', page_sep = "p. ", -- cs1|2 style page(s) prefixes pages_sep = "pp. ", retrieved = 'Retrieved ', -- cs1 style access date static text sepc = '.', -- default to cs1 stylre ps = '.', -- default to cs1 stylre last = {}, -- table of author last name values first = {}, -- table of author first name values link = {}, -- table of author link values mask = {}, -- table of author mask values citeref = {} -- table of last names that will be used in making the CITEREF anchor } local pframe = frame:getParent(); -- get template's parameters args.item = pframe.args.item or ''; -- these are the 'item' group args.itemURL = pframe.args['item-url'] or ''; args.type = pframe.args.type or ''; args.date = pframe.args.date or ''; args.year = args.date:match ('%d%d%d%d') or ''; -- used in creation of the CITEREF anchor args.collection = pframe.args.collection or ''; -- these are the collection group args.collectionURL = pframe.args['collection-url'] or ''; args.fonds = pframe.args.fonds or ''; args.series = pframe.args.series or ''; args.file = pframe.args.file or ''; args.box = pframe.args.box or ''; args.itemID = pframe.args['item-id'] or ''; args.p = pframe.args.page or pframe.args.p or ''; -- if both are set, the singular is rendered args.pp = pframe.args.pages or pframe.args.pp or ''; args.repository = pframe.args.repository or ''; -- these are the location group args.location = pframe.args.location or ''; args.institution = pframe.args.institution or ''; -- required parameter args.oclc = pframe.args.oclc or ''; -- these are the identifiers group args.accession = pframe.args.accession or ''; if not is_set (args.collection) then -- check for required parameters args.err_msg = string.format (' <code style="%s">|collection=</code> required; ', code_style); end if not is_set (args.institution) then args.err_msg = string.format ('%s <code style="%s">|institution=</code> required; ', args.err_msg, code_style); end if is_set (args.err_msg) then -- if set here, then we are missing one or both required parameters so quit return '<span style="font-size:100%" class="error">cite archive:' .. args.err_msg .. ' ([[Template:cite archive|help]])</span>'; -- with an error message end -- standard cs1|2 parameters args.accessdate = pframe.args['access-date'] or pframe.args.accessdate or ''; args.ref = pframe.args.ref or ''; args.display_authors = pframe.args['display-authors']; -- the number of author names to display args.last_author_amp = pframe.args['last-author-amp'] or -- yes only; |last-author-amp=no does not work pframe.args['lastauthoramp'] or ''; args.last_author_amp:lower(); -- make it case agnostic if is_set (pframe.args['last1']) or is_set (pframe.args['last']) or is_set (pframe.args['author1']) or is_set (pframe.args['author']) then -- must have at least this to continue args.last[1] = select_one ({ -- get first author's last name ['last']=pframe.args.last, ['last1'] = pframe.args.last1, ['author'] = pframe.args.author, ['author1'] = pframe.args.author1}, args); args.citeref[1] = args.last[1]; -- add it to the citeref args.first[1] = select_one ({ -- get first author's first name ['first'] = pframe.args.first, ['first1'] = pframe.args.first1}, args); args.link[1] = select_one ({ -- get first author's article link ['author-link'] = pframe.args['author-link'], ['author-link1'] = pframe.args['author-link1']}, args); args.mask[1] = select_one ({ -- get first author's mask ['author-mask'] = pframe.args['author-mask'], ['author-mask1'] = pframe.args['author-mask1']}, args); local i = 2; -- index for the rest of the names while is_set (pframe.args['last'..i]) or is_set (pframe.args['author'..i]) do -- loop through pframe.args and get the rest of the names args.last[i] = pframe.args['last'..i] or pframe.args['author'..i]; -- last names args.first[i] = pframe.args['first'..i]; -- first names args.link[i] = pframe.args['author-link'..i]; -- author-links args.mask[i] = pframe.args['author-mask'..i]; -- author-masks if 5 > i then args.citeref[i] = args.last[i]; -- collect first four last names for CITEREF anchor end i = i + 1 -- bump the index end end if 'cs2' == pframe.args.mode then args.ps = ''; -- set postscript character to empty string, cs2 mode args.sepc = ','; -- set separator character to comma, cs2 mode if not is_set (args.ref) then -- if not already set to something args.ref= 'harv'; -- for cs2, set to harv end args.retrieved = args.retrieved:lower(); end return _cite_archive (args); -- go render the citation end return f;