public void Serialize(ref byte[] buffer, ref int offset, T value)
{
if (EqualityComparer <T> .Default.Equals(value, default))
{
SerializerBinary.WriteUInt32Bias(ref buffer, ref offset, Null, Bias);
return;
}
if (value is Type type)
{
SerializerBinary.WriteUInt32Bias(ref buffer, ref offset, InlineType, Bias);
_typeFormatter.Serialize(ref buffer, ref offset, type);
return;
}
if (value is IExternalRootObject externalObj)
{
if (!object.ReferenceEquals(_serializer.InstanceData.CurrentRoot, value))
{
SerializerBinary.WriteUInt32Bias(ref buffer, ref offset, ExternalObject, Bias);
var refId = externalObj.GetReferenceId();
SerializerBinary.WriteInt32(ref buffer, ref offset, refId);
_serializer.Config.OnExternalObject?.Invoke(externalObj);
return;
}
}
if (_serializer.InstanceData.ObjectCache.TryGetExistingObjectId(value, out int id))
{
// Existing value
SerializerBinary.WriteUInt32Bias(ref buffer, ref offset, id, Bias);
}
else
{
// Important: Insert the ID for this value into our dictionary BEFORE calling SerializeFirstTime, as that might recursively call us again (maybe with the same value!)
_serializer.InstanceData.ObjectCache.RegisterObject(value);
var specificType = value.GetType();
if (typeof(T) == specificType)
{
// New value (same type)
SerializerBinary.WriteUInt32Bias(ref buffer, ref offset, NewValueSameType, Bias);
}
else
{
// New value (type included)
SerializerBinary.WriteUInt32Bias(ref buffer, ref offset, NewValue, Bias);
_typeFormatter.Serialize(ref buffer, ref offset, specificType);
}
// Write the object normally
GetSpecificSerializerDispatcher(specificType)(ref buffer, ref offset, value);
}
}
public void Serialize(ref byte[] buffer, ref int offset, T value)
{
if (ReferenceEquals(value, null))
{
SerializerBinary.WriteUInt32Bias(ref buffer, ref offset, Null, Bias);
return;
}
var specificType = value.GetType();
var entry = GetOrCreateEntry(specificType);
if (entry.IsType) // This is very rare, so we cache the check itself, and do the cast below
{
SerializerBinary.WriteUInt32Bias(ref buffer, ref offset, InlineType, Bias);
_typeFormatter.Serialize(ref buffer, ref offset, (Type)(object)value);
return;
}
if (entry.IsExternalRootObject)
{
var externalObj = (IExternalRootObject)value;
if (!ReferenceEquals(_ceras.InstanceData.CurrentRoot, value))
{
SerializerBinary.WriteUInt32Bias(ref buffer, ref offset, ExternalObject, Bias);
var refId = externalObj.GetReferenceId();
SerializerBinary.WriteInt32(ref buffer, ref offset, refId);
_ceras.Config.OnExternalObject?.Invoke(externalObj);
return;
}
}
if (_allowReferences)
{
if (_ceras.InstanceData.ObjectCache.TryGetExistingObjectId(value, out int id))
{
// Existing value
SerializerBinary.WriteUInt32Bias(ref buffer, ref offset, id, Bias);
}
else
{
// Register new object
_ceras.InstanceData.ObjectCache.RegisterObject(value);
// Embedd type (if needed)
if (ReferenceEquals(typeof(T), specificType))
{
// New value (same type)
SerializerBinary.WriteUInt32Bias(ref buffer, ref offset, NewValueSameType, Bias);
}
else
{
// New value (type included)
SerializerBinary.WriteUInt32Bias(ref buffer, ref offset, NewValue, Bias);
_typeFormatter.Serialize(ref buffer, ref offset, specificType);
}
// Write object
entry.CurrentSerializeDispatcher(ref buffer, ref offset, value);
}
}
else
{
// Embedd type (if needed)
if (ReferenceEquals(typeof(T), specificType))
{
// New value (same type)
SerializerBinary.WriteUInt32Bias(ref buffer, ref offset, NewValueSameType, Bias);
}
else
{
// New value (type included)
SerializerBinary.WriteUInt32Bias(ref buffer, ref offset, NewValue, Bias);
_typeFormatter.Serialize(ref buffer, ref offset, specificType);
}
// Write object
entry.CurrentSerializeDispatcher(ref buffer, ref offset, value);
}
}
