--v1.00 Split the page title into words then test each of them against the list of months. Optionally, an alternative page name may be supplied as a parameter. Return the first word which matches a months name ... unless the "match=" parameter specifies a diffreent match. If there is no match, then return an empty string ... unles the "nomatch" parameter specifies something different
local getArgs = require('Module:Arguments').getArgslocal p =
-- configlocal nomatch = ""local matchnum = 1
local monthList =
-- splits a string into "words"-- a "word" is a set of characters delineated at each end by one -- or more whitespace characters or punctaution charatersfunction splitIntoWords(str) result = index = 1 s = mw.ustring.gsub(str, "^[%s%p]+", "") -- strip leading whitespace or punctuation for s2 in mw.ustring.gmatch(s, "[^%s%p]+[%s%p]*") do s3 = mw.ustring.gsub(s2, "[%s%p]+$", "") -- strip trailing separators result[index] = s3 index = index + 1 endreturn resultend
-- returns the first word is the pagename which matches the name of a month-- ... or an empty string if there is no matchfunction checkPagename(pn) -- split the pagename into sparate words titleWords = splitIntoWords(pn) nMatches = 0 myMatches = -- check each words in turn, to see if it matches a month for w, thisWord in ipairs(titleWords) do -- check agaist each month -- if there is a match, then return that monthname for i, thisMonth in ipairs(monthList) do if (thisMonth
if (nMatches
if (matchnum < 0) then matchnum = matchnum + 1 -- so that -1 is the last match etc if ((matchnum + nMatches) >= 1) then return myMatches[matchnum + nMatches] end end -- if we get here, we have not found a match at the position specified by "matchnum" return nomatchend
function p.main(frame) local args = getArgs(frame) return p._main(args)end
function p._main(args) if (args['nomatch'] ~= nil) then nomatch = args['nomatch'] end -- by default, we return the first match -- but the optional "C" paarmeter sets the "matchnum" variable, which -- * for a positive matchnum "n", returns the nth match if it exists -- * for a positive matchnum "n", returns (if it exists) the nth match -- counting backwards from the end. -- So "match=-1" returns the last match -- and "match=-3" returns the 3rd-last match if (args['match'] ~= nil) then matchnum = tonumber(args['match']) if ((matchnum
0)) then matchnum = 1 end end -- by default, we use the current page -- but if the "page=" parameters is supplied, we use that -- so we try the parameter first thispagename = nil if ((args['page'] ~= nil) and (args['page'] ~= "")) then -- we have a non-empty "page" parameter, so we use it thispagename = args['page'] else -- get the page title thispage = mw.title.getCurrentTitle thispagename = thispage.text; end -- now check the pagename to try to find a month ananme result = checkPagename(thispagename) if (result
return p