Method valueGetH

app/src/API/Handlers/DataTablesHandler.cpp:764–792

* @brief Returns a register's live value by handle; found=false for a stale or invalid handle. */

 * @brief Returns a register's live value by handle; found=false for a stale or invalid handle.
 */
API::CommandResponse API::Handlers::DataTablesHandler::valueGetH(const QString& id,
                                                                 const QJsonObject& params)
{
  if (!params.contains(QStringLiteral("handle")))
    return CommandResponse::makeError(
      id, ErrorCode::MissingParam, QStringLiteral("Missing required parameter: handle"));

  const qint64 handle =
    static_cast<qint64>(SerialStudio::toDouble(params.value(QStringLiteral("handle"))));

  const auto& store = DataModel::FrameBuilder::instance().tableStore();
  if (!store.isInitialized())
    return CommandResponse::makeError(
      id, ErrorCode::InvalidParam, QStringLiteral("Data-table store not initialized (no project)"));

  const auto* value = store.getByHandle(handle);

  QJsonObject result;
  result[QStringLiteral("handle")] = static_cast<double>(handle);
  result[QStringLiteral("found")]  = (value != nullptr);
  result[QStringLiteral("value")]  = QJsonValue();
  if (value) {
    result[QStringLiteral("isNumeric")] = value->isNumeric;
    result[QStringLiteral("value")] =
      value->isNumeric ? QJsonValue(value->numericValue) : QJsonValue(value->stringValue);
  }

  return CommandResponse::makeSuccess(id, result);
}

/**
 * @brief Writes a register's live value by handle; written=false for stale/invalid/constant.