Brontekst bekijken van Module:Format for sorting

--[[
-- {{#invoke:Strip title for sorting|main|...}}
]]--

local mDiacritics = require('Module:Diacritics')
local mConvertNumerals = require('Module:ConvertNumerals')
local mPadNumbers = require('Module:Pad numbers')

local p = {}

local function removePunctuation( str )
	local str = str
	str = string.gsub( str,  "%-?[%p%.]+", "" )
	local addchars ={  "‘", "’", "“", "”" }
	for i, v in ipairs( addchars ) do
    	str = string.gsub(str, v, "")
	end
	if str == nil then
		error(" No string received. " )
	else
		return str
	end
end

local function removeDiacritics( str )
	str = mDiacritics.strip_diacrits( str )
	return str
end

local function convertToArabic( str )
	str = mConvertToNumerals.toArabicNum( str )
	return str
end

local function padNumbers( str, padlength )
	str = mPadNumbers.main( str, padlength )
	return str
end

--[[
Currently used for strings of type Page with appropriate collation
]]--
function p.main( frame )
	local str = ""
	str = mw.text.unstrip(frame.args[1])
	str = removeDiacritics( str )
	str = string.lower( str )
	str = removePunctuation( str )
	if str == nil then
		error("...")
	else
		return str
	end
end

--[[
Used for strings of type Text, hence the need for padding with leading zeroes
]]--
function p.textString( frame )
	local str = "0"
	str = mw.text.unstrip(frame.args[1])
	str = string.lower( str )
	str = removeDiacritics( str )
	--str = removePunctuation( str )
	str = padNumbers( str, 5 )
	--@todo - provide default if operation failed:
	--str = convertToArabic( str )
	
	if str == nil then
		error("...")
	elseif str == "" then
		return "0"
	else
		return str
	end
end

return p