Method FinalizeFile

lib/mdflib/mdflib/src/mdf4file.cpp:198–252

}

bool Mdf4File::FinalizeFile(std::streambuf& buffer) {

  uint16_t standard_flags = 0;
  uint16_t custom_flags = 0;
  const auto finalized = IsFinalized(standard_flags, custom_flags);
  if (finalized || standard_flags == 0 || !hd_block_) {
    MDF_DEBUG()
        << "The files standard flags are OK. Cannot finalize the file. File: "
        << Name();
    return false;
  }

  // 1. Update DL block
  // 2. Update DT  block
  // 3. Update RD block
  // 4. Update CG (CA) block
  const bool update_cg_blocks = (standard_flags & 0x01) != 0;
  const bool update_sr_blocks = (standard_flags & 0x02) != 0;
  const bool update_dt_blocks = (standard_flags & 0x04) != 0;
  const bool update_rd_blocks = (standard_flags & 0x08) != 0;
  const bool update_dl_blocks = (standard_flags & 0x10) != 0;
  const bool update_vlsd_bytes = (standard_flags & 0x20) != 0;
  const bool update_vlsd_offset = (standard_flags & 0x40) != 0;
  bool updated = true;
  if (update_dl_blocks) {
    MDF_ERROR() << "Finalizing DL block is not supported. File: " << Name();
    updated = false;
  }
  if (update_dt_blocks) {
    // Update the number of bytes in the DT block.
    const bool update_dt = hd_block_->FinalizeDtBlocks(buffer);
    if (!update_dt) {
      MDF_ERROR() << "Fail to finalize last DT block. File: " << Name();
      updated = false;
    }
  }
  if (update_rd_blocks) {
    MDF_ERROR() << "Finalizing RD block is not supported. File: " << Name();
    updated = false;
  }

  if (update_cg_blocks || update_vlsd_bytes || update_vlsd_offset ) {
    const bool update_nof_samples = hd_block_->FinalizeCgAndVlsdBlocks(
        buffer, update_cg_blocks, update_vlsd_bytes || update_vlsd_offset);
    if (!update_nof_samples) {
      MDF_ERROR() << "Failed to update number of samples and VLSD block sizes. File: " << Name();
      updated = false;
    }
  }
  if (update_sr_blocks) {
    MDF_ERROR() << "Finalizing SR block is not supported. File: " << Name();
    updated = false;
  }
  return updated;
}

IDataGroup *Mdf4File::FindParentDataGroup(const IChannel &channel) const {
  const auto channel_index = channel.Index();