| 40 | } |
| 41 | |
| 42 | public override void Write(WriteContext context, in T? value, RefMode refMode, bool writeTypeInfo, bool hasGenerics) |
| 43 | { |
| 44 | Serializer<T> wrappedSerializer = context.TypeResolver.GetSerializer<T>(); |
| 45 | switch (refMode) |
| 46 | { |
| 47 | case RefMode.None: |
| 48 | if (!value.HasValue) |
| 49 | { |
| 50 | throw new InvalidDataException("Nullable<T>.None with RefMode.None"); |
| 51 | } |
| 52 | |
| 53 | T wrapped = value.Value; |
| 54 | wrappedSerializer.Write(context, wrapped, RefMode.None, writeTypeInfo, hasGenerics); |
| 55 | break; |
| 56 | case RefMode.NullOnly: |
| 57 | if (!value.HasValue) |
| 58 | { |
| 59 | context.Writer.WriteInt8((sbyte)RefFlag.Null); |
| 60 | return; |
| 61 | } |
| 62 | |
| 63 | context.Writer.WriteInt8((sbyte)RefFlag.NotNullValue); |
| 64 | wrappedSerializer.Write(context, value.Value, RefMode.None, writeTypeInfo, hasGenerics); |
| 65 | break; |
| 66 | case RefMode.Tracking: |
| 67 | if (!value.HasValue) |
| 68 | { |
| 69 | context.Writer.WriteInt8((sbyte)RefFlag.Null); |
| 70 | return; |
| 71 | } |
| 72 | |
| 73 | wrappedSerializer.Write(context, value.Value, RefMode.Tracking, writeTypeInfo, hasGenerics); |
| 74 | break; |
| 75 | default: |
| 76 | throw new InvalidDataException($"unsupported ref mode {refMode}"); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | public override T? Read(ReadContext context, RefMode refMode, bool readTypeInfo) |
| 81 | { |