public Test() { //如果使用了List<T>类型,T类型为自定义的Protobuf类则需全局仅注册一次Member中List<T>中T的类型,这个步骤必须在序列化之前注册,metaIndex与ProtoMember中的MemberTypeIndex对应 ProtobufPropertyHelper.RegisterListMemberType(0, typeof(TestData)); BaseProto proto = new BaseProto(); proto.datas.Add(new TestData() { cid = 100 }); System.IO.MemoryStream stream = new System.IO.MemoryStream(); ProtoBuf.Serializer.Serialize(stream, typeof(BaseProto), proto); }
private IProtoSerializer BuildSerializer() { int opaqueToken = 0; try { model.TakeLock(ref opaqueToken);// check nobody is still adding this type WireType wireType; Type finalType = itemType == null ? memberType : itemType; if (MemberTypeIndex != -1) { finalType = ProtobufPropertyHelper.FindMemberType(MemberTypeIndex); } IProtoSerializer ser = TryGetCoreSerializer(model, dataFormat, finalType, out wireType, asReference, dynamicType, OverwriteList, true); if (ser == null) { throw new InvalidOperationException("No serializer defined for type: " + finalType.FullName); } // apply tags if (itemType != null && SupportNull) { if (IsPacked) { throw new NotSupportedException("Packed encodings cannot support null values"); } ser = new TagDecorator(NullDecorator.Tag, wireType, IsStrict, ser); ser = new NullDecorator(model, ser); ser = new TagDecorator(fieldNumber, WireType.StartGroup, false, ser); } else { ser = new TagDecorator(fieldNumber, wireType, IsStrict, ser); } bool flag = memberType.Name.Equals("String"); if (flag) { } // apply lists if appropriate if (itemType != null && !flag) { #if NO_GENERICS Type underlyingItemType = itemType; #else Type underlyingItemType = SupportNull ? itemType : Helpers.GetUnderlyingType(itemType) ?? itemType; #endif Helpers.DebugAssert(underlyingItemType == ser.ExpectedType || (ser.ExpectedType == model.MapType(typeof(object)) && !Helpers.IsValueType(underlyingItemType)) , "Wrong type in the tail; expected {0}, received {1}", ser.ExpectedType, underlyingItemType); if (memberType.IsArray) { ser = new ArrayDecorator(model, ser, fieldNumber, IsPacked, wireType, memberType, OverwriteList, SupportNull); } else { ser = ListDecorator.Create(model, memberType, defaultType, ser, fieldNumber, IsPacked, wireType, member != null && PropertyDecorator.CanWrite(model, member), OverwriteList, SupportNull); } } else if (defaultValue != null && !IsRequired && getSpecified == null) { // note: "ShouldSerialize*" / "*Specified" / etc ^^^^ take precedence over defaultValue, // as does "IsRequired" ser = new DefaultValueDecorator(model, defaultValue, ser); } if (memberType == model.MapType(typeof(Uri))) { ser = new UriDecorator(model, ser); } #if PORTABLE else if (memberType.FullName == typeof(Uri).FullName) { // In PCLs, the Uri type may not match (WinRT uses Internal/Uri, .Net uses System/Uri) ser = new ReflectedUriDecorator(memberType, model, ser); } #endif if (member != null) { PropertyInfo prop = member as PropertyInfo; if (prop != null) { ser = new PropertyDecorator(model, parentType, (PropertyInfo)member, ser); } else { FieldInfo fld = member as FieldInfo; if (fld != null) { ser = new FieldDecorator(parentType, (FieldInfo)member, ser); } else { throw new InvalidOperationException(); } } if (getSpecified != null || setSpecified != null) { ser = new MemberSpecifiedDecorator(getSpecified, setSpecified, ser); } } return(ser); } finally { model.ReleaseLock(opaqueToken); } }