Module:Val

Documentation for this module may be created at Module:Val/doc

local p = {}
 
local getArgs
local delimit_group = require('Module:Gapnum').groups
local makeunit = require('Module:Val/units')
local mSu = require('Module:Su')

function p.main(frame)
	if not getArgs then
		getArgs = require('Module:Arguments').getArgs
	end
	local args = getArgs(frame, {wrappers = 'Template:Val'})
	local number = {n=args[1], nend=args['end']}
	local uncertainty = {upper=args[2], lower=args[3],
							errend=args.errend,
							upperend=args['+errend'], lowerend=args['-errend']}
	local u_tbl = {u=args.ul or args.u, ul=args.ul ~= nil,
					p=args.upl or args.up, pl=args.upl ~= nil}
	local misc_tbl = {e=args.e, pre=args.p, suf=args.s, fmt=args.fmt, nocat=args.nocategory}
	return p._main(number,uncertainty,u_tbl,misc_tbl)
end

function p._main(number,uncertainty,u_tbl,misc_tbl)
	local n = delimit(number.n,misc_tbl.fmt)
	local unc
	local uncU, uncL = uncertainty.upper, uncertainty.lower
	if number.nend then
		n:wikitext(number.nend)
	end

	if uncU then
		if uncL then
			uncU = delimit(uncU)..(uncertainty.upperend or '')
			uncL = delimit(uncL)..(uncertainty.lowerend or '')
			unc = '<span style="margin-left:0.3em;">'..mSa(uncU,uncL)..'</span>'
		else
			local uncU_n = mw.ustring.match(uncU,('%((.+)%)')) or uncU
			if uncU == uncU_n then
				unc = '<span style="margin-left:0.3em;">'..'±'..delimit(uncU_n)
				if uncertainty.errend then
					unc = unc..errend
				end
				unc = unc..'</span>'
			else
				unc = '('..delimit(uncU_n)..')'
			end
		end
	end

	local ret = { 
				misc_tbl.pre or '',
				misc_tbl.e and '(' or '',
				tostring(n),
				misc_tbl.nend or '',
				unc or '',
				misc_tbl.e and ')' or '',
				misc_tbl.e and '<span style="margin-left:0.25em;margin-right:0.15em">×</span>10<sup>'..delimit(misc_tbl.e)..'</sup>' or '',
				units or '',
				misc_tbl.suf or ''
			}
	ret = table.concat(ret)
	return ret
end

-- TODO: Write this function to format number
-- Notes: look for and remove parentheses and +/-
function delimit(num)
	return num
end
return p