public void SetLegacyFormat(ref MemberLevelSettingsValue level, MemberInfo member, RuntimeTypeModel model)
{
Type type = Helpers.GetMemberType(member);
ValueFormat legacyFormat = ValueSerializerBuilder.GetDefaultLegacyFormat(type, model);
switch (Helpers.GetTypeCode(type))
{
// these can't be registered and don't have AsReferenceDefault
// explicitely set their asReference = false
case ProtoTypeCode.String:
case ProtoTypeCode.ByteArray:
case ProtoTypeCode.Type:
case ProtoTypeCode.Uri:
level.Format = legacyFormat;
break;
default:
if (!RuntimeTypeModel.CheckTypeCanBeAdded(model, type))
{
// for primitive types - explicitly
level.Format = legacyFormat;
}
break;
}
}
// no need for special handling of !Nullable.HasValue - when boxing they will be applied
NetObjectValueDecorator(Type type, bool asReference, bool asLateReference, bool allowNullWireType, RuntimeTypeModel model)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
_allowNullWireType = allowNullWireType;
_options = BclHelpers.NetObjectOptions.UseConstructor;
if (asReference)
{
_options |= BclHelpers.NetObjectOptions.AsReference;
if (asLateReference)
{
_options |= BclHelpers.NetObjectOptions.WriteAsLateReference;
}
}
else if (asLateReference)
{
throw new ArgumentException("Can't serialize as late reference when asReference = false", nameof(asReference));
}
int baseKey = model.GetKey(type, false, true);
int key = model.GetKey(type, false, false);
if (!Helpers.IsValueType(type) && key >= 0 && baseKey >= 0 && ValueSerializerBuilder.CanTypeBeAsLateReferenceOnBuildStage(key, model, true))
{
_lateReferenceTail = new LateReferenceSerializer(type, key, baseKey, model);
}
else if (asLateReference)
{
throw new ArgumentException("Can't use late reference with non-model or value type " + type.Name);
}
ProtoTypeCode typeCode = Helpers.GetTypeCode(type);
// mind that this is set not for AsReference only
// because AsReference may be switched in another version
if (typeCode == ProtoTypeCode.String || typeCode == ProtoTypeCode.Type || typeCode == ProtoTypeCode.Uri)
{
_options |= BclHelpers.NetObjectOptions.LateSet;
}
// if this type is nullable it's ok
// we'll unwrap it
// and for non emit it's already boxed as not nullable
this.ExpectedType = type;
}
public MemberHandlerResult TryRead(AttributeMap attribute, MemberState s, MemberInfo member, RuntimeTypeModel model)
{
if (s.Input.IsEnumValueMember)
{
return(MemberHandlerResult.NotFound);
}
var main = s.MainValue;
try
{
MemberLevelSettingsValue level = s.SerializationSettings.GetSettingsCopy(0).Basic;
level.DefaultsMode = MemberDefaultsMode.Legacy;
if (main.Tag <= 0)
{
attribute.TryGetNotDefault("Tag", ref main.Tag);
}
if (string.IsNullOrEmpty(main.Name))
{
attribute.TryGetNotEmpty("Name", ref main.Name);
}
if (!main.IsRequiredInSchema)
{
attribute.TryGetNotDefault("IsRequired", ref main.IsRequiredInSchema);
}
var type = Helpers.GetMemberType(member);
BinaryDataFormat dataFormat = 0;
attribute.TryGetNotDefault("DataFormat", ref dataFormat);
level.ContentBinaryFormatHint = dataFormat;
bool isPacked = false;
attribute.TryGetNotDefault("IsPacked", ref isPacked);
level.Collection.Format = isPacked
? CollectionFormat.Protobuf
: (model.ProtoCompatibility.SuppressCollectionEnhancedFormat
? CollectionFormat.ProtobufNotPacked
: CollectionFormat.NotSpecified
);
bool overwriteList = false;
attribute.TryGetNotDefault("OverwriteList", ref overwriteList);
level.Collection.Append = !overwriteList;
if (!level.WriteAsDynamicType.GetValueOrDefault())
{
attribute.TryGetNotDefault("DynamicType", ref level.WriteAsDynamicType);
}
bool dynamicType = level.WriteAsDynamicType.GetValueOrDefault();
bool asRefHasValue = false;
bool notAsReference = false;
#if !FEAT_IKVM
// IKVM can't access AsReferenceHasValue, but conveniently, AsReference will only be returned if set via ctor or property
attribute.TryGetNotDefault("AsReferenceHasValue", ref asRefHasValue, publicOnly: false);
if (asRefHasValue)
#endif
{
bool value = false;
asRefHasValue = attribute.TryGetNotDefault("AsReference", ref value);
if (asRefHasValue) // if AsReference = true - use defaults
{
notAsReference = !value;
}
}
if (!asRefHasValue)
{
if (level.Format == ValueFormat.NotSpecified)
{
SetLegacyFormat(ref level, member, model);
}
}
else
{
level.Format = notAsReference ? ValueSerializerBuilder.GetDefaultLegacyFormat(type, model) : ValueFormat.Reference;
}
s.TagIsPinned = main.Tag > 0;
var dl = s.SerializationSettings.DefaultLevel.GetValueOrDefault(new ValueSerializationSettings.LevelValue(level.MakeDefaultNestedLevelForLegacyMember()));
if (isPacked)
{
dl.Basic.Format = ValueFormat.Compact;
}
if (dynamicType)
{
// apply dynamic type to items
Type itemType = null;
Type defaultType = null;
MetaType.ResolveListTypes(model, Helpers.GetMemberType(s.Member), ref itemType, ref defaultType);
if (itemType != null)
{
dl.Basic.WriteAsDynamicType = true;
dl.Basic.Format = ValueFormat.Reference;
if (level.Format == ValueFormat.Compact || level.Format == ValueFormat.MinimalEnhancement)
{
level.WriteAsDynamicType = false;
}
}
}
s.SerializationSettings.DefaultLevel = dl;
s.SerializationSettings.SetSettings(level, 0);
return(s.TagIsPinned ? MemberHandlerResult.Done : MemberHandlerResult.Partial); // note minAcceptFieldNumber only applies to non-proto
}
finally
{
s.MainValue = main;
}
}
protected override TypeAttributeHandlerResult TryMap(AttributeMap item, TypeState s, TypeArgsValue a, RuntimeTypeModel model)
{
var main = s.SettingsValue;
if (a.HasFamily(MetaType.AttributeFamily.ProtoBuf))
{
object tmp;
if (item.TryGet("Name", out tmp))
{
main.Name = (string)tmp;
}
if (Helpers.IsEnum(s.Type)) // note this is subtly different to AsEnum; want to do this even if [Flags]
{
#if !FEAT_IKVM
// IKVM can't access EnumPassthruHasValue, but conveniently, InferTagFromName will only be returned if set via ctor or property
if (item.TryGet("EnumPassthruHasValue", false, out tmp) && (bool)tmp)
#endif
{
if (item.TryGet("EnumPassthru", out tmp))
{
main.EnumPassthru = (bool)tmp;
}
}
}
else
{
if (item.TryGet("DataMemberOffset", out tmp))
{
s.DataMemberOffset = (int)tmp;
}
#if !FEAT_IKVM
// IKVM can't access InferTagFromNameHasValue, but conveniently, InferTagFromName will only be returned if set via ctor or property
if (item.TryGet("InferTagFromNameHasValue", false, out tmp) && (bool)tmp)
#endif
{
if (item.TryGet("InferTagFromName", out tmp))
{
s.InferTagByName = (bool)tmp;
}
}
if (item.TryGet("ImplicitFields", out tmp) && tmp != null)
{
s.ImplicitFields = (ImplicitFieldsMode)(int)tmp; // note that this uses the bizarre unboxing rules of enums/underlying-types
}
if (item.TryGet("SkipConstructor", out tmp))
{
main.SkipConstructor = (bool)tmp;
}
if (item.TryGet("IgnoreListHandling", out tmp))
{
main.IgnoreListHandling = (bool)tmp;
}
if (item.TryGet("AsReferenceDefault", out tmp))
{
if ((bool)tmp)
{
main.Member.Format = ValueFormat.Reference;
}
else
{
main.Member.Format = ValueSerializerBuilder.GetDefaultLegacyFormat(s.Type, model);
}
}
if (item.TryGet("ImplicitFirstTag", out tmp) && (int)tmp > 0)
{
s.ImplicitFirstTag = (int)tmp;
}
if (item.TryGet("ConstructType", out tmp))
{
main.ConstructType = (Type)tmp;
}
}
s.SettingsValue = main;
return(TypeAttributeHandlerResult.Done);
}
return(TypeAttributeHandlerResult.Continue);
}
