public override void WriteSignedVarint(long number)
{
Varint.ToBase128(number, _stream);
}
private static void SerializeClass(IClass cls, ProtoStream protostream)
{
foreach (IField field in cls.Fields)
{
if (field.IsTransient)
{
continue;
}
// Treat all lists as un-packed
for (int i = 0; i < field.Count; i++)
{
if (field is IEnumField enumField)
{
protostream.WriteFieldInfo(enumField.Number, WireType.VARINT);
Varint.ToBase128(enumField[i], protostream);
}
else if (field is IPrimitiveField primitiveField)
{
switch (primitiveField.Type)
{
case IPrimitiveField.Types.Bool:
protostream.WriteFieldInfo(primitiveField.Number, WireType.VARINT);
protostream.WriteVarint(((bool)primitiveField[i]) ? (ulong)1 : (ulong)0);
break;
case IPrimitiveField.Types.Int32:
protostream.WriteFieldInfo(primitiveField.Number, WireType.VARINT);
protostream.WriteSignedVarint((int)primitiveField[i]);
break;
case IPrimitiveField.Types.Int64:
protostream.WriteFieldInfo(primitiveField.Number, WireType.VARINT);
protostream.WriteSignedVarint((long)primitiveField[i]);
break;
case IPrimitiveField.Types.Uint32:
protostream.WriteFieldInfo(primitiveField.Number, WireType.VARINT);
protostream.WriteVarint((ulong)(uint)primitiveField[i]);
break;
case IPrimitiveField.Types.Uint64:
protostream.WriteFieldInfo(primitiveField.Number, WireType.VARINT);
protostream.WriteVarint((ulong)primitiveField[i]);
break;
case IPrimitiveField.Types.Double:
protostream.WriteFieldInfo(primitiveField.Number, WireType.FIXED_64);
byte[] doubleBytes = BitConverter.GetBytes((double)primitiveField[i]);
protostream.Write(doubleBytes, 0, 8);
break;
case IPrimitiveField.Types.Float:
protostream.WriteFieldInfo(primitiveField.Number, WireType.FIXED_32);
byte[] floatBytes = BitConverter.GetBytes((float)primitiveField[i]);
protostream.Write(floatBytes, 0, 4);
break;
case IPrimitiveField.Types.Bytes:
protostream.WriteFieldInfo(primitiveField.Number, WireType.LENGTH_DELIMITED);
byte[] bytes = (byte[])(primitiveField[i]);
protostream.WriteVarint((ulong)bytes.Length);
protostream.Write(bytes, 0, bytes.Length);
break;
case IPrimitiveField.Types.String:
protostream.WriteFieldInfo(primitiveField.Number, WireType.LENGTH_DELIMITED);
byte[] stringBytes = Encoding.UTF8.GetBytes((string)primitiveField[i]);
protostream.WriteVarint((ulong)stringBytes.Length);
protostream.Write(stringBytes, 0, stringBytes.Length);
break;
case IPrimitiveField.Types.External:
throw new NotSupportedException("External type must always be transient");
}
}
else if (field is IClassField classField)
{
using CountingProtoStream counting = new();
SerializeClass(classField[i], counting);
protostream.WriteFieldInfo(classField.Number, WireType.LENGTH_DELIMITED);
protostream.WriteVarint((ulong)counting.Length);
SerializeClass(classField[i], protostream);
}
}
}
}