deserializePPT method

@override PPTPayload? deserializePPT(Uint8List binPayload)

Converts a uint8 data into a PPT Payload Object

Implementation

@override
PPTPayload? deserializePPT(Uint8List binPayload) {
  List<dynamic>? arguments;
  Map<String, dynamic>? argumentsKeywords;

  _validateCompleteMsgPackValue(binPayload);
  Object? decodedObject = msgpack_dart.deserialize(binPayload);

  if (decodedObject is Map) {
    if (decodedObject['args'] != null && decodedObject['args'] is List) {
      arguments = decodedObject['args'] as List<dynamic>?;
    }

    if (decodedObject['kwargs'] != null && decodedObject['kwargs'] is Map) {
      final keywords = decodedObject['kwargs'] as Map<dynamic, dynamic>;
      if (keywords.keys.any((key) => key is! String)) {
        throw const FormatException(
          'MessagePack PPT keyword arguments must use string keys',
        );
      }
      argumentsKeywords = Map.castFrom<dynamic, dynamic, String, dynamic>(
        keywords,
      );
    }

    return PPTPayload(
      arguments: arguments,
      argumentsKeywords: argumentsKeywords,
    );
  }

  _logger.shout(
    'Could not deserialize MessagePack PPT payload '
    '(${binPayload.length} bytes)',
  );
  // TODO respond with an error
  return null;
}