Method Write

lib/mdflib/mdflib/src/cn3block.cpp:256–323

}

uint64_t Cn3Block::Write(std::streambuf& buffer) {
  int64_t long_name_link = 0;
  int64_t display_name_link = 0;

  const bool update =
      FilePosition() > 0;  // Write or update the values inside the block
  if (!update) {
    block_type_ = "CN";
    block_size_ =
        (2 + 2) + (5 * 4) + 2 + 32 + 128 + 3 * 2 + 2 + 3 * 8 + 2 * 4 + 2;
    link_list_.resize(5, 0);

    if (!long_name_.empty()) {
      Tx3Block tx(long_name_);
      tx.Init(*this);
      tx.Write(buffer);
      long_name_link = tx.FilePosition();
    }

    if (!display_name_.empty()) {
      Tx3Block tx(display_name_);
      tx.Init(*this);
      tx.Write(buffer);
      display_name_link = tx.FilePosition();
    }
  }

  uint64_t bytes = update ? block_size_ : MdfBlock::Write(buffer);
  if (!update) {
    bytes += WriteNumber(buffer, channel_type_);
    bytes += WriteStr(buffer, short_name_, 32);
    bytes += WriteStr(buffer, description_, 128);
    bytes += WriteNumber(buffer, start_offset_);
    bytes += WriteNumber(buffer, nof_bits_);
    bytes += WriteNumber(buffer, signal_type_);
    bytes += WriteBool(buffer, range_valid_);
    bytes += WriteNumber(buffer, min_);
    bytes += WriteNumber(buffer, max_);
    bytes += WriteNumber(buffer, sample_rate_);
    bytes += WriteNumber(buffer, static_cast<uint32_t>(long_name_link));
    bytes += WriteNumber(buffer, static_cast<uint32_t>(display_name_link));
    bytes += WriteNumber(buffer, byte_offset_);
  }

  if (cc_block_ && Link(kIndexCc) <= 0) {
    cc_block_->Write(buffer);
    UpdateLink(buffer, kIndexCc, cc_block_->FilePosition());
  }

  if (ce_block_ && Link(kIndexCe) <= 0) {
    ce_block_->Write(buffer);
    UpdateLink(buffer, kIndexCe, ce_block_->FilePosition());
  }

  if (cd_block_ && Link(kIndexCd) <= 0) {
    cd_block_->Write(buffer);
    UpdateLink(buffer, kIndexCd, cd_block_->FilePosition());
  }