Support for dynamic length BitField about bindata HOT 2 CLOSED

class Sbit < BinData::Primitive
  mandatory_parameter :nbits

  choice :data, :selection => :nbits, :copy_on_change => true do
    2.upto(64) do |i|
      send("sbit#{i}", i)
    end
  end

  def set(v); self.data = v; end
  def get; self.data; end
end

class Rectangle < BinData::Record
  bit5 :nbit
  sbit :xmin, :nbits => :nbit
  sbit :xmax, :nbits => :nbit
  sbit :ymin, :nbits => :nbit
  sbit :ymax, :nbits => :nbit
end