Parse mode2 output as NEC(Kadenkyo) format

decode_kaden.rb

#!/usr/bin/env ruby

prev = nil
signal = []
ARGF.each{ |line|
  line.chomp!
	next if line.empty?
	(command, time) = line.split
	command = command.to_sym
	length = (time.to_i/ 425.0).round
	#p prev
	if prev && prev[:command] == :pulse && command == :space
		if prev[:length] <= 1 && length == 1
			signal << 0
		elsif prev[:length] <= 1 && length == 3
			signal << 1
		elsif prev[:length] == 8 && length == 4
			signal << :leader
		elsif prev[:length] == 1 && length > 50
			signal << :stop
		else
			signal << [prev[:length], length]
		end
	end
	prev = {:command => command, :length=> length}
}

count = 0
str = ""
signal.each{ |sig|
	if sig == :leader || sig == :stop
		puts
		puts sig
		str = ""
		count = 0
	else
		print sig
		count += 1
		str += sig.to_s
		if count % 8 == 0
			puts " "+str.to_i(2).to_s(16)
			str = ""
		end
	end
}