pdf_buffer_change.rb

def prepare_literal_token
      str = ""
      count = 1
      #puts "prepare_literal_token..."
      while count > 0 && !@io.eof
        #puts "\t count: #{count} str: #{str.inspect}"
        #raise "\t\t!!!!!!EOF!!!!!!" if str == '%%EOF'
        chr = @io.read(1)
        #break if @io.pos == eof_index
        #raise "Chr found: #{chr.inspect} && str[-1,1] != \x5C #{str[-1,1] != "\x5C"}" if count > 4
        if chr.nil?
          count = 0 # unbalanced params
        elsif chr == "(" && str[-1,1] != "\x5C"
          str << "("
          count += 1
        elsif chr == ")" && str[-1,1] != "\x5C" #|| str[-2,1] != "\x5C")
          count -= 1
          str << ")" unless count == 0
        elsif chr == ")" && str[-2,2] == "\x5C\x5C"
          #DW: If escaped \ then, still do the above...
          count -= 1
          str << ")" unless count == 0
        else
          str << chr unless count == 0
        end
      end

      @tokens << str if str.size > 0
      @tokens << ")"
    end