Method Write

lib/mdflib/mdflib/src/ch4block.cpp:67–101

}

uint64_t Ch4Block::Write(std::streambuf& buffer) {  // NOLINT
  const auto update = FilePosition() > 0;
  if (update) {
    WriteLink4List(buffer, ch_list_, kIndexCh,
                   UpdateOption::DoNotUpdateWrittenBlock);
    return block_length_;
  }
  nof_elements_ = static_cast<uint32_t>(element_list_.size());
  block_type_ = "##CH";
  block_length_ = 24 + ((4 + (nof_elements_ * 3)) * 8) + 8 + 1 + 3;
  link_list_.resize(4 + (nof_elements_ * 3), 0);

  for (size_t index_n = 0; index_n < nof_elements_; ++index_n) {
    const auto index = 4 + (index_n * 3);
    const auto &element = element_list_[index_n];
    link_list_[index] =
        element.data_group != nullptr ? element.data_group->Index() : 0;
    link_list_[index + 1] =
        element.channel_group != nullptr ? element.channel_group->Index() : 0;
    link_list_[index + 2] =
        element.channel != nullptr ? element.channel->Index() : 0;
  }
  WriteTx4(buffer, kIndexTx, name_);
  WriteMdComment(buffer, kIndexMd);
  WriteLink4List(buffer, ch_list_, kIndexCh,
                 UpdateOption::DoNotUpdateWrittenBlock);

  uint64_t bytes = MdfBlock::Write(buffer);
  bytes += WriteNumber(buffer, nof_elements_);
  bytes += WriteNumber(buffer, type_);
  bytes += WriteBytes(buffer, 3);
  UpdateBlockSize(buffer, bytes);

  return bytes;
}

MdfBlock *Ch4Block::Find(int64_t index) const {  // NOLINT
  for (auto &ch : ch_list_) {