Method createFile

app/src/MDF4/Export.cpp:398–445

* @brief Creates a new MDF4 file with hierarchical structure */

 * @brief Creates a new MDF4 file with hierarchical structure
 */
void MDF4::ExportWorker::createFile(const DataModel::Frame& frame)
{
  if (isResourceOpen())
    closeResources();

  const auto& token = Licensing::CommercialToken::current();
  if (!token.isValid() || !SS_LICENSE_GUARD()
      || token.featureTier() < Licensing::FeatureTier::Trial)
    return;

  const auto dateTime = QDateTime::currentDateTime();
  const auto fileName =
    dateTime.toString(QStringLiteral("yyyy-MM-dd_HH-mm-ss")) + QStringLiteral(".mf4");
  const QString frameName = sanitizeFrameTitle(frame.title);

  QDir dir(Misc::WorkspaceManager::instance().path("MDF4"));
  if (!dir.exists(frameName))
    dir.mkpath(frameName);

  dir.cd(frameName);
  m_filePath = dir.filePath(fileName);

  try {
    if (!initWriterAndHeader(frameName, dateTime))
      return;

    auto* dataGroup = m_writer->CreateDataGroup();
    if (!dataGroup)
      return;

    dataGroup->Description("Serial Studio Data");
    buildChannelGroups(dataGroup, frame);

    m_writer->InitMeasurement();
    m_writer->StartMeasurement(dateTime.toMSecsSinceEpoch() * 1000000);

    m_fileOpen = true;
    Q_EMIT resourceOpenChanged();
  } catch (const std::exception& e) {
    qWarning() << "[MDF4] Failed to create file:" << e.what();
    m_fileOpen = false;
    m_writer.reset();
  } catch (...) {
    qWarning() << "[MDF4] Failed to create file: unknown exception";
    m_fileOpen = false;
    m_writer.reset();
  }
}

#endif