Method WriteSignalData

lib/mdflib/mdflib/src/mdf4writer.cpp:108–141

bool Mdf4Writer::WriteSignalData(std::streambuf& buffer) {

  const auto *header = Header();
  if (header == nullptr) {
    MDF_ERROR() << "No header block found. File: " << Name();
    return false;
  }

  // Only the last DG block is updated. So go to the last DT
  const auto *last_dg = header->LastDataGroup();
  if (last_dg == nullptr) {
    return true;
  }

  auto cg_list = last_dg->ChannelGroups();
  for (auto* group : cg_list) {
    if (group == nullptr) {
      continue;
    }
    auto cn_list = group->Channels();
    for (auto* channel : cn_list) {
      if (channel == nullptr) {
        continue;
      }
      auto* cn4 = dynamic_cast<Cn4Block*>(channel);
      if (cn4 == nullptr) {
        continue;
      }
      cn4->WriteSignalData(buffer, CompressData());
      cn4->ClearData();
    }
  }
  return true;
}

Dg4Block* Mdf4Writer::GetLastDg4() {
  auto *header = Header();