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Module:NUMBEROFSECTIONS and Module:NUMBEROFSECTIONS/sandbox: Difference between pages

(Difference between pages)
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slight improvement for handling unexpected-and-wanted whitespace around the # delimiters; %s? --> %s* i.e. possible single whitespace char --> zero or more whitespace chars
 
m Johnuniq moved page Module:NUMBEROF/sandbox to Module:NUMBEROFSECTIONS/sandbox without leaving a redirect: implement Template talk:NUMBEROF#Requested move 3 May 2020 a little early to allow final development of the separate NUMBEROF and NUMBEROFSECTIONS functions
 
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local p = {}
local p = {}

-- Unescape functionality grabbed from https://stackoverflow.com/a/14899740/1832568
local function unescape(str)
str = string.gsub(str, '&#(%d+);', string.char)
str = string.gsub(str, '&#x(%d+);', function(n) return string.char(tonumber(n, 16)) end)
return str
end


-- Counting function accepting a string haystack and table of needles
-- Counting function accepting a string haystack and table of needles
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-- Function takes any number of # delimited page names and section level numbers
-- Function takes any number of # delimited page names and section level numbers
function p.main(frame)
function p.sections(frame)
local total = 0
local total = 0
local needles = {}
local needles = {}
local haystack = ''
local haystack = ''
-- Separate page names from # delimited string into table
-- Separate page names from # delimited string into table
local pages = mw.text.split(unescape(frame.args[1]), '%s*#%s*')
local pages = mw.text.split(frame.args[1], '%s?#%s?')
-- Separate whitespace delimited section level numbers into table
-- Separate whitespace delimited section level numbers into table
local levels = mw.text.split(frame.args['level'], '%s*')
local levels = mw.text.split(frame.args['level'], '%s*')
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--[[ pass the raw markup and needles to count
--[[ pass the raw markup and needles to count
and add the return to total ]]
and add the return to total ]]
total = total + count('\n' .. haystack, needles)
total = total + count(haystack, needles)
end
end
end
end