internal void WriteValueWithoutAdapters <TValue>(TValue value, bool isRoot)
{
if (RuntimeTypeInfoCache <TValue> .IsEnum)
{
BinarySerialization.WritePrimitiveUnsafe(m_Stream, ref value, Enum.GetUnderlyingType(typeof(TValue)));
return;
}
if (RuntimeTypeInfoCache <TValue> .CanBeNull && null == value)
{
m_Stream->Add(k_TokenNull);
return;
}
if (RuntimeTypeInfoCache <TValue> .IsMultidimensionalArray)
{
// No support for multidimensional arrays yet. This can be done using adapters for now.
m_Stream->Add(k_TokenNull);
return;
}
if (RuntimeTypeInfoCache <TValue> .IsNullable)
{
m_Stream->Add(k_TokenNone);
var underlyingType = Nullable.GetUnderlyingType(typeof(TValue));
if (RuntimeTypeInfoCache.IsContainerType(underlyingType))
{
// IMPORTANT: Do NOT add a token to the stream since we are triggering a re-entrance on the same object here.
// Unpack Nullable<T> as T
var underlyingValue = Convert.ChangeType(value, underlyingType);
if (!PropertyContainer.TryAccept(this, ref underlyingValue, out var errorCode))
{
switch (errorCode)
{
case VisitErrorCode.NullContainer:
throw new ArgumentNullException(nameof(value));
case VisitErrorCode.InvalidContainerType:
throw new InvalidContainerTypeException(value.GetType());
case VisitErrorCode.MissingPropertyBag:
throw new MissingPropertyBagException(value.GetType());
default:
throw new Exception($"Unexpected {nameof(VisitErrorCode)}=[{errorCode}]");
}
}
}
else
{
BinarySerialization.WritePrimitiveBoxed(m_Stream, value, underlyingType);
}
return;
}
if (!RuntimeTypeInfoCache <TValue> .IsValueType)
{
#if !UNITY_DOTSPLAYER
if (!(isRoot && m_DisableRootAdapters) && value is UnityEngine.Object unityEngineObject)
{
// Special path for polymorphic unity object references.
m_Stream->Add(k_TokenUnityEngineObjectReference);
(m_Adapters.Internal as Adapters.Contravariant.IBinaryAdapter <UnityEngine.Object>).Serialize(new BinarySerializationContext <TValue>(this, default, value, isRoot), unityEngineObject);
void ReadValue <TValue>(ref TValue value, bool isRoot = false)
{
var runAdapters = !(isRoot && m_DisableRootAdapters);
if (runAdapters && m_Adapters.TryDeserialize(m_Stream, ref value))
{
return;
}
if (RuntimeTypeInfoCache <TValue> .IsEnum)
{
BinarySerialization.ReadPrimitiveUnsafe(m_Stream, ref value, Enum.GetUnderlyingType(typeof(TValue)));
return;
}
var token = default(byte);
if (RuntimeTypeInfoCache <TValue> .CanBeNull)
{
token = m_Stream->ReadNext <byte>();
switch (token)
{
case k_TokenNull:
value = default;
return;
case k_TokenSerializedReference:
var id = m_Stream->ReadNext <int>();
if (null == m_SerializedReferences)
{
throw new Exception("Deserialization encountered a serialized object reference while running with DisableSerializedReferences.");
}
value = (TValue)m_SerializedReferences.GetDeserializedReference(id);
return;
}
}
if (RuntimeTypeInfoCache <TValue> .IsNullable)
{
BinarySerialization.ReadPrimitiveBoxed(m_Stream, ref value, Nullable.GetUnderlyingType(typeof(TValue)));
return;
}
#if !UNITY_DOTSPLAYER
if (runAdapters && token == k_TokenUnityEngineObjectReference)
{
var unityEngineObject = default(UnityEngine.Object);
m_Adapters.TryDeserialize(m_Stream, ref unityEngineObject);
value = (TValue)(object)unityEngineObject;
return;
}
#endif
if (token == k_TokenPolymorphic)
{
m_Stream->ReadNext(out var assemblyQualifiedTypeName);
if (string.IsNullOrEmpty(assemblyQualifiedTypeName))
{
throw new ArgumentException();
}
var concreteType = Type.GetType(assemblyQualifiedTypeName);
if (null == concreteType)
{
if (FormerNameAttribute.TryGetCurrentTypeName(assemblyQualifiedTypeName, out var currentAssemblyQualifiedTypeName))
{
concreteType = Type.GetType(currentAssemblyQualifiedTypeName);
}
if (null == concreteType)
{
throw new ArgumentException();
}
}
m_SerializedTypeProviderSerializedType = concreteType;
}
else
{
// If we have a user provided root type pass it to the type construction.
m_SerializedTypeProviderSerializedType = isRoot ? m_SerializedType : null;
}
DefaultTypeConstruction.Construct(ref value, this);
if (RuntimeTypeInfoCache <TValue> .IsObjectType && !RuntimeTypeInfoCache.IsContainerType(value.GetType()))
{
BinarySerialization.ReadPrimitiveBoxed(m_Stream, ref value, value.GetType());
return;
}
if (!PropertyContainer.Visit(ref value, this, out var errorCode))
{
switch (errorCode)
{
case VisitErrorCode.NullContainer:
throw new ArgumentNullException(nameof(value));
case VisitErrorCode.InvalidContainerType:
throw new InvalidContainerTypeException(value.GetType());
case VisitErrorCode.MissingPropertyBag:
throw new MissingPropertyBagException(value.GetType());
default:
throw new Exception($"Unexpected {nameof(VisitErrorCode)}=[{errorCode}]");
}
}
}
void WriteValue <TValue>(TValue value, bool isRoot = false)
{
var runAdapters = !(isRoot && m_DisableRootAdapters);
if (runAdapters && m_Adapters.TrySerialize(m_Stream, ref value))
{
return;
}
if (RuntimeTypeInfoCache <TValue> .IsEnum)
{
BinarySerialization.WritePrimitiveUnsafe(m_Stream, ref value, Enum.GetUnderlyingType(typeof(TValue)));
return;
}
if (RuntimeTypeInfoCache <TValue> .CanBeNull && null == value)
{
m_Stream->Add(k_TokenNull);
return;
}
if (RuntimeTypeInfoCache <TValue> .IsNullable)
{
m_Stream->Add(k_TokenNone);
BinarySerialization.WritePrimitiveBoxed(m_Stream, value, Nullable.GetUnderlyingType(typeof(TValue)));
return;
}
if (!RuntimeTypeInfoCache <TValue> .IsValueType)
{
#if !UNITY_DOTSPLAYER
if (runAdapters && value is UnityEngine.Object unityEngineObject)
{
// Special path for polymorphic unity object references.
m_Stream->Add(k_TokenUnityEngineObjectReference);
m_Adapters.TrySerialize(m_Stream, ref unityEngineObject);
return;
}
#endif
if (null != m_SerializedReferences && !value.GetType().IsValueType)
{
// At this point we don't know if an object will reference this value.
// To avoid a second visitation pass we always create an entry for each managed object reference.
var id = m_SerializedReferences.AddSerializedReference(value);
if (!m_SerializedReferences.SetSerialized(value))
{
// This is the second time encountering this object during serialization.
// We instead of writing out the object we simply write the id.
m_Stream->Add(k_TokenSerializedReference);
m_Stream->Add(id);
return;
}
}
// This is a very common case. At serialize time we are serializing something that is polymorphic or an object
// However at deserialize time the user known the System.Type, we can avoid writing out the fully qualified type name in this case.
var isRootAndTypeWasGiven = isRoot && null != m_SerializedType;
if (typeof(TValue) != value.GetType() && !isRootAndTypeWasGiven)
{
m_Stream->Add(k_TokenPolymorphic);
m_Stream->Add(value.GetType().AssemblyQualifiedName);
}
else
{
m_Stream->Add(k_TokenNone);
}
}
if (RuntimeTypeInfoCache <TValue> .IsObjectType && !RuntimeTypeInfoCache.IsContainerType(value.GetType()))
{
BinarySerialization.WritePrimitiveBoxed(m_Stream, value, value.GetType());
return;
}
if (!PropertyContainer.Visit(ref value, this, out var errorCode))
{
switch (errorCode)
{
case VisitErrorCode.NullContainer:
throw new ArgumentNullException(nameof(value));
case VisitErrorCode.InvalidContainerType:
throw new InvalidContainerTypeException(value.GetType());
case VisitErrorCode.MissingPropertyBag:
throw new MissingPropertyBagException(value.GetType());
default:
throw new Exception($"Unexpected {nameof(VisitErrorCode)}=[{errorCode}]");
}
}
}
internal void ReadValueWithoutAdapters <TValue>(ref TValue value, bool isRoot)
{
if (RuntimeTypeInfoCache <TValue> .IsEnum)
{
BinarySerialization.ReadPrimitiveUnsafe(m_Stream, ref value, Enum.GetUnderlyingType(typeof(TValue)));
return;
}
var token = default(byte);
if (RuntimeTypeInfoCache <TValue> .CanBeNull)
{
token = m_Stream->ReadNext <byte>();
switch (token)
{
case k_TokenNull:
value = default;
return;
case k_TokenSerializedReference:
var id = m_Stream->ReadNext <int>();
if (null == m_SerializedReferences)
{
throw new Exception("Deserialization encountered a serialized object reference while running with DisableSerializedReferences.");
}
value = (TValue)m_SerializedReferences.GetDeserializedReference(id);
return;
}
}
if (RuntimeTypeInfoCache <TValue> .IsNullable)
{
var underlyingType = Nullable.GetUnderlyingType(typeof(TValue));
if (RuntimeTypeInfoCache.IsContainerType(underlyingType))
{
m_SerializedTypeProviderSerializedType = underlyingType;
DefaultTypeConstruction.Construct(ref value, this);
var underlyingValue = Convert.ChangeType(value, underlyingType);
if (!PropertyContainer.TryAccept(this, ref underlyingValue, out var errorCode))
{
switch (errorCode)
{
case VisitErrorCode.NullContainer:
throw new ArgumentNullException(nameof(value));
case VisitErrorCode.InvalidContainerType:
throw new InvalidContainerTypeException(value.GetType());
case VisitErrorCode.MissingPropertyBag:
throw new MissingPropertyBagException(value.GetType());
default:
throw new Exception($"Unexpected {nameof(VisitErrorCode)}=[{errorCode}]");
}
}
// Repack the T as Nullable<T>
value = (TValue)underlyingValue;
}
else
{
BinarySerialization.ReadPrimitiveBoxed(m_Stream, ref value, Nullable.GetUnderlyingType(typeof(TValue)));
}
return;
}
#if !UNITY_DOTSPLAYER
if (!(isRoot && m_DisableRootAdapters) && token == k_TokenUnityEngineObjectReference)
{
value = (TValue)(m_Adapters.Internal as Adapters.Contravariant.IBinaryAdapter <UnityEngine.Object>).Deserialize(new BinaryDeserializationContext <TValue>(this, default, isRoot));;
