Module:String2/sandbox: Difference between revisions

Revision as of 19:57, 23 February 2018

Revision as of 13:42, 31 August 2019

Line 1:

local p = {}

p.upper = function(frame)

Line 10 ⟶ 11:

return string.lower(s)

end

p.sentence = function (frame )

frame.args[1] = string.lower(frame.args[1])

return p.ucfirst(frame)

end

p.labelucfirst = function (frame )

local s = mw.text.trim( frame.args[1] or "" )

local s1 = ""

Line 32 ⟶ 40:

local letter = string.sub(s, letterpos, letterpos)

local rest = string.sub(s, letterpos + 1)

return s1 .. first .. string.upper(letter) .. string.lower(rest)

else

return s1 .. s

end

end

p.title = function (frame )

Line 52 ⟶ 61:

for i, s in ipairs(words) do

s = string.lower( s )

if( i > 1 and alwayslower[s] == 1) then

-- leave in lowercase

if( alwayslower[s] ~= 1 ) then

s = mw.getContentLanguage():ucfirst(s)

end

else

s = mw.getContentLanguage():ucfirst(s)

Line 64 ⟶ 71:

end

p.label = function (frame )

-- stripZeros finds the first number and strips leading zeros (apart from units)

-- Capitalizing only first letter for fetched Wikidata labels.

-- e.g "0940" -> "940"; "Year: 0023" -> "Year: 23"; "00.12" -> "0.12"

-- Wikidata English labels generally begin with a lowercase letter. [[:d:Help:Label#Capitalization]]

p.stripZeros = function(frame)

local s = mw.text.trim( frame.args[1] or "" )

if string.find(s, "^%[%[[^|]+|[^%]]+%]%]") then

n = tonumber( string.match( s, "%d+" ) ) or ""

-- this is a piped wikilink, so we capitalise the text, not the pipe

local b, c s = string.findgsub( s, "|%A*%ad+"), --n, find1 the first letter after the pipe)

return s

return string.sub(s, 1, c-1) .. string.upper(string.sub(s, c, c)) .. string.sub(s, c+1)

end

local letterpos = string.find(s, '%a')

if letterpos then

local first = string.sub(s, 1, letterpos - 1)

local letter = string.sub(s, letterpos, letterpos)

local rest = string.sub(s, letterpos + 1)

return first .. string.upper(letter) .. rest

else

return s

end

end

-- 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 wikicode

p.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 position

local pos = str:find(match, 1, true)

return pos

end

-- 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=true

p.split = function(frame)

local txt = frame.args[1] or frame.args.txt or ""

if txt == "" then return nil end

local sep = (frame.args[2] or frame.args.sep or ""):gsub('"', '')

local idx = tonumber(frame.args[3] or frame.args.idx) or 1

local plain = (frame.args[4] or frame.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

return p