Method Write

lib/mdflib/mdflib/src/hd3block.cpp:155–220

}

uint64_t Hd3Block::Write(std::streambuf& buffer) {
  const bool update =
      FilePosition() > 0;  // Write or update the values inside the block
  if (!update) {
    block_type_ = "HD";
    block_size_ = (2 + 2) + (3 * 4) + 2 + 10 + 8 + 4 * 32 + 3 * 2 + 32;
    link_list_.resize(3, 0);
  }

  uint64_t bytes = update ? MdfBlock::Update(buffer) : MdfBlock::Write(buffer);

  nof_dg_blocks_ = static_cast<uint16_t>(dg_list_.size());
  bytes += WriteNumber(buffer, nof_dg_blocks_);
  bytes += WriteStr(buffer, timestamp_.date_, 10);
  bytes += WriteStr(buffer, timestamp_.time_, 8);
  bytes += WriteStr(buffer, author_, 32);
  bytes += WriteStr(buffer, organisation_, 32);
  bytes += WriteStr(buffer, project_, 32);
  bytes += WriteStr(buffer, subject_, 32);
  bytes += WriteNumber(buffer, timestamp_.local_timestamp_);
  bytes += WriteNumber(buffer, timestamp_.utc_offset_);
  bytes += WriteNumber(buffer, timestamp_.time_quality_);
  bytes += WriteStr(buffer, timestamp_.timer_id_, 32);

  if (!update) {
    UpdateBlockSize(buffer, bytes);
  }

  if (!comment_.empty() && Link(kIndexTx) <= 0) {
    Tx3Block tx(comment_);
    tx.Init(*this);
    tx.Write(buffer);
    UpdateLink(buffer, kIndexTx, tx.FilePosition());
  }

  if (pr_block_ && Link(kIndexPr) <= 0) {
    pr_block_->Init(*this);
    pr_block_->Write(buffer);
    UpdateLink(buffer, kIndexPr, pr_block_->FilePosition());
  }

  for (size_t index = 0; index < dg_list_.size(); ++index) {
    auto &dg3 = dg_list_[index];
    if (!dg3) {
      continue;
    }

    // Only last DG is updated
    const bool last_dg =
        index + 1 >= dg_list_.size();  // Only last DG is updated
    if (!last_dg && dg3->FilePosition() > 0) {
      continue;
    }

    dg3->Write(buffer);
    if (index == 0) {
      UpdateLink(buffer, kIndexDg, dg3->FilePosition());
    } else {