flags_list

in lib/magic.rb [34:51]

• 13 lines of code
• 7 McCabe index (conditional complexity)

  def flags_list(names = false)
    raise LibraryError, 'Magic library is not open' if closed?
    return [names ? 'NONE' : 0] if @flags.zero?

    n, i = 0, @flags
    flags = []

    @@flags_map ||= flags_as_map if names

    while i > 0
      n = 2 ** (Math.log(i) / Math.log(2)).to_i
      i = i - n
      flags.insert(0, names ? @@flags_map[n] : n)
    end

    flags
  end