private static void ProcessExtraData(SerializationContext read, int fieldTag, WireType wireType, SerializationContext write)
{
int len;
switch (wireType)
{
case WireType.Variant:
len = read.ReadRawVariant();
write.WriteBlock(read.Workspace, 0, len);
break;
case WireType.Fixed32:
read.ReadBlock(4);
write.WriteBlock(read.Workspace, 0, 4);
break;
case WireType.Fixed64:
read.ReadBlock(8);
write.WriteBlock(read.Workspace, 0, 8);
break;
case WireType.String:
len = read.DecodeInt32();
write.EncodeInt32(len);
read.WriteTo(write, len);
break;
case WireType.StartGroup:
read.StartGroup(fieldTag);
uint prefix;
while (read.TryReadFieldPrefix(out prefix))
{
write.EncodeUInt32(prefix);
Serializer.ParseFieldToken(prefix, out wireType, out fieldTag);
if (wireType == WireType.EndGroup)
{
read.EndGroup(fieldTag);
break;
}
ProcessExtraData(read, fieldTag, wireType, write);
}
break;
case WireType.EndGroup:
throw new ProtoException("End-group not expected at this location");
default:
throw new ProtoException("Unknown wire-type " + wireType);
}
}