class PDF::Reader::CMap

def initialize(data)
  @map = {}
  in_char_mode = false
  in_range_mode = false
  data.each_line do |l|
    if l.include?("beginbfchar")
      in_char_mode = true 
    elsif l.include?("endbfchar")
      in_char_mode = false 
    elsif l.include?("beginbfrange")
      in_range_mode = true 
    elsif l.include?("endbfrange")
      in_range_mode = false 
    end
    if in_char_mode
      process_bfchar_line(l)
    elsif in_range_mode
      process_bfrange_line(l)
    end
  end
end