public T Deserialize <T>([NotNull] Stream stream)
{
DeserializerSession session = GetDeserializerSession();
var s = GetDeserializerByManifest(stream, session);
return((T)s.ReadValue(stream, session));
}
public object Deserialize([NotNull] Stream stream)
{
var session = new DeserializerSession(this);
var s = GetDeserializerByManifest(stream, session);
return(s.ReadValue(stream, session));
}
public ValueSerializer GetDeserializerByManifest([NotNull] Stream stream, [NotNull] DeserializerSession session)
{
var first = stream.ReadByte();
if (first <= 250)
{
return(_deserializerLookup[first]);
}
switch (first)
{
case ConsistentArraySerializer.Manifest:
return(ConsistentArraySerializer.Instance);
case ObjectReferenceSerializer.Manifest:
return(ObjectReferenceSerializer.Instance);
case ObjectSerializer.ManifestFull:
{
var type = TypeEx.GetTypeFromManifestFull(stream, session);
return(GetCustomDeserializer(type));
}
case ObjectSerializer.ManifestVersion:
{
var type = TypeEx.GetTypeFromManifestVersion(stream, session);
return(GetCustomDeserializer(type));
}
case ObjectSerializer.ManifestIndex:
{
var typeId = (int)stream.ReadUInt16(session);
if (typeId < _knownValueSerializers.Length)
{
return(_knownValueSerializers[typeId]);
}
var type = TypeEx.GetTypeFromManifestIndex(typeId, session);
return(GetCustomDeserializer(type));
}
default:
throw new NotSupportedException("Unknown manifest value");
}
}
static StructDeserializeBenchmark()
{
ProtoInput = new MemoryStream();
ProtoBuf.Serializer.Serialize(ProtoInput, IntStruct.Create());
HyperionInput = new MemoryStream();
HyperionSerializer.Serialize(IntStruct.Create(), HyperionInput);
// Hagar
var services = new ServiceCollection()
.AddHagar(hagar => hagar.AddAssembly(typeof(Program).Assembly))
.BuildServiceProvider();
HagarSerializer = services.GetRequiredService <ValueSerializer <IntStruct> >();
Session = services.GetRequiredService <SerializerSessionPool>().GetSession();
var bytes = new byte[1000];
var writer = new SingleSegmentBuffer(bytes).CreateWriter(Session);
IntStruct intStruct = IntStruct.Create();
HagarSerializer.Serialize(ref intStruct, ref writer);
HagarHandCraftedSerializer = new HagarGen_Serializer_IntStruct_1843466();
HagarInput = bytes;
HyperionSession = HyperionSerializer.GetDeserializerSession();
Utf8JsonInput = Utf8JsonNS.JsonSerializer.Serialize(IntStruct.Create(), Utf8JsonResolver);
var stream = new MemoryStream();
using (var jsonWriter = new System.Text.Json.Utf8JsonWriter(stream))
{
System.Text.Json.JsonSerializer.Serialize <IntStruct>(jsonWriter, IntStruct.Create());
}
SystemTextJsonInput = stream.ToArray();
}
