src/marnav/ais/message_06.cpp

   1 #include <marnav/ais/message_06.hpp>
   2
   3 namespace marnav::ais
   4 {
   5 constexpr message_id message_06::ID;
   6 constexpr std::size_t message_06::SIZE_BITS_HEAD;
   7 constexpr std::size_t message_06::SIZE_BITS_MAX;
   8
   9 message_06::message_06()
  10         : message(ID)
  11 {
  12 }
  13
  14 message_06::message_06(const raw & bits)
  15         : message(ID)
  16 {
  17         if ((bits.size() < SIZE_BITS_HEAD) || (bits.size() > SIZE_BITS_MAX))
  18                 throw std::invalid_argument{"invalid number of bits in ais/message_06"};
  19         read_data(bits);
  20 }
  21
  22 void message_06::read_data(const raw & bits)
  23 {
  24         get(bits, repeat_indicator_);
  25         get(bits, mmsi_);
  26         get(bits, sequence_no_);
  27         get(bits, dest_mmsi_);
  28         get(bits, retransmit_flag_);
  29         get(bits, dac_);
  30         get(bits, fid_);
  31
  32         payload_ = raw{bits.begin() + SIZE_BITS_HEAD, bits.end()};
  33 }
  34
  35 raw message_06::get_data() const
  36 {
  37         raw bits(SIZE_BITS_HEAD);
  38
  39         bits.set(type(), 0, 6);
  40         set(bits, repeat_indicator_);
  41         set(bits, mmsi_);
  42         set(bits, sequence_no_);
  43         set(bits, dest_mmsi_);
  44         set(bits, retransmit_flag_);
  45         set(bits, dac_);
  46         set(bits, fid_);
  47
  48         bits.append(payload_);
  49
  50         return bits;
  51 }
  52 }