parse_token (PDF::Reader::Parser)

    # File lib/pdf/reader/parser.rb, line 45
        def parse_token (operators={})
          ref = Reference.from_buffer(@buffer) and return ref
          token = @buffer.token

          case token
          when nil                        then return nil
          when "/"                        then return @buffer.token.to_sym
          when "<<"                       then return dictionary()
          when "["                        then return array()
          when "("                        then return string()
          when "<"                        then return hex_string()
          when "true"                     then return true
          when "false"                    then return false
          when "null"                     then return nil
          when "obj", "endobj"            then return Token.new(token)
          when "stream", "endstream"      then return Token.new(token)
          when ">>", "]", ">"             then return Token.new(token)
          else
            if operators.has_key?(token)  then return Token.new(token)
            elsif token =~ /\d*\.\d/      then return token.to_f
            else                          return token.to_i
            end
          end
        end