class PDF::Reader::CMap

def process_data(data)
  mode = nil
  instructions = ""
  data.each_line do |l|
    if l.include?("beginbfchar")
      mode = :char
    elsif l.include?("endbfchar")
      process_bfchar_instructions(instructions)
      instructions = ""
      mode = nil
    elsif l.include?("beginbfrange")
      mode = :range
    elsif l.include?("endbfrange")
      process_bfrange_instructions(instructions)
      instructions = ""
      mode = nil
    elsif mode == :char || mode == :range
      instructions << l
    end
  end
end