# File lib/rufus/sc/rtime.rb, line 107
  def Rufus.parse_time_string (string)

    return string.to_f if FLOAT_DURATION.match(string)

    string = string.strip

    index = -1
    result = 0.0

    number = ''

    loop do

      index = index + 1

      if index >= string.length
        result = result + (Float(number) / 1000.0) if number.length > 0
        break
      end

      c = string[index, 1]

      if (c >= '0' and c <= '9')
        number = number + c
        next
      end

      value = Integer(number)
      number = ''

      multiplier = DURATIONS[c]

      raise "unknown time char '#{c}'" unless multiplier

      result = result + (value * multiplier)
    end

    result
  end