Modiwl:String2

local p = {}p.upper = function(frame)local s = mw.text.trim(frame.args[1] or "")return string.upper(s)endp.lower = function(frame)local s = mw.text.trim(frame.args[1] or "")return string.lower(s)endp.sentence = function (frame )frame.args[1] = string.lower(frame.args[1])return p.ucfirst(frame)endp.ucfirst = function (frame )local s =  mw.text.trim( frame.args[1] or "" )local s1 = ""-- if it's a list chop off and (store as s1) everything up to the first <li>local lipos = string.find(s, "<li>" )if lipos thens1 = string.sub(s, 1, lipos + 3)s = string.sub(s, lipos + 4)end-- s1 is either "" or the first part of the list markup, so we can continue-- and prepend s1 to the returned stringlocal letterposif string.find(s, "^%[%[[^|]+|[^%]]+%]%]") then-- this is a piped wikilink, so we capitalise the text, not the pipelocal __, letterpos = string.find(s, "|%A*%a") -- find the first letter after the pipeelseletterpos = string.find(s, '%a')endif letterpos thenlocal first = string.sub(s, 1, letterpos - 1)local letter = string.sub(s, letterpos, letterpos)local rest = string.sub(s, letterpos + 1)return s1 .. first .. string.upper(letter) .. restelsereturn s1 .. sendendp.title = function (frame )-- http://grammar.yourdictionary.com/capitalization/rules-for-capitalization-in-titles.html-- recommended by The U.S. Government Printing Office Style Manual:-- "Capitalize all words in titles of publications and documents,-- except a, an, the, at, by, for, in, of, on, to, up, and, as, but, or, and nor."local alwayslower = {['a'] = 1, ['an'] = 1, ['the'] = 1,['and'] = 1, ['but'] = 1, ['or'] = 1, ['for'] = 1,['nor'] = 1, ['on'] = 1, ['in'] = 1, ['at'] = 1, ['to'] = 1,['from'] = 1, ['by'] = 1, ['of'] = 1, ['up'] = 1 }local res = ''local s =  mw.text.trim( frame.args[1] or "" )local words = mw.text.split( s, " ")for i, s in ipairs(words) dos = string.lower( s )if( i > 1 and alwayslower[s] == 1) then-- leave in lowercaseelses = mw.getContentLanguage():ucfirst(s)endwords[i] = sendreturn table.concat(words, " ")end-- stripZeros finds the first number and strips leading zeros (apart from units)-- e.g "0940" -> "940"; "Year: 0023" -> "Year: 23"; "00.12" -> "0.12"p.stripZeros = function(frame)local s = mw.text.trim(frame.args[1] or "")local n = tonumber( string.match( s, "%d+" ) ) or ""s = string.gsub( s, "%d+", n, 1 )return send-- nowiki ensures that a string of text is treated by the MediaWiki software as just a string-- it takes an unnamed parameter and trims whitespace, then removes any wikicodep.nowiki = function(frame)local str = mw.text.trim(frame.args[1] or "")return mw.text.nowiki(str)end-- posnq (position, no quotes) returns the numerical start position of the first occurrence-- of one piece of text ("match") inside another ("str").-- It returns nil if no match is found, or if either parameter is blank.-- It takes the text to be searched in as the first unnamed parameter, which is trimmed.-- It takes the text to match as the second unnamed parameter, which is trimmed and-- any double quotes " are stripped out.p.posnq = function(frame)local str = mw.text.trim(frame.args[1] or "")local match = mw.text.trim(frame.args[2] or ""):gsub('"', '')if  str == "" or match == "" then return nil end-- just take the start positionlocal pos = str:find(match, 1, true)return posend-- split splits text at boundaries specified by separator-- and returns the chunk for the index idx (starting at 1)-- #invoke:String2 |split |text |separator |index |true/false-- #invoke:String2 |split |txt=text |sep=separator |idx=index |plain=true/false-- if plain is false/no/0 then separator is treated as a Lua pattern - defaults to plain=truep.split = function(frame)local args = frame.argsif not(args[1] or args.txt) then args = frame:getParent().args endlocal txt = args[1] or args.txt or ""if txt == "" then return nil endlocal sep = (args[2] or args.sep or ""):gsub('"', '')local idx = tonumber(args[3] or args.idx) or 1local plain = (args[4] or args.plain or "true"):sub(1,1)plain = (plain ~= "f" and plain ~= "n" and plain ~= "0")return mw.text.split( txt, sep, plain )[idx]end-- val2percent scans through a string, passed as either the first unnamed parameter or |txt=-- it converts each number it finds into a percentage and returns the resultant string.p.val2percent = function(frame)local args = frame.argsif not(args[1] or args.txt) then args = frame:getParent().args endlocal txt = mw.text.trim(args[1] or args.txt or "")if txt == "" then return nil endlocal function v2p (x)x = (tonumber(x) or 0) * 100if x == math.floor(x) then x = math.floor(x) endreturn x .. "%"endtxt = txt:gsub("%d[%d%.]*", v2p) -- store just the stringreturn txtendreturn p