public void Serialize(ref JsonWriter writer, object value, IJsonFormatterResolver formatterResolver)
{
if (value == null)
{
writer.WriteNull(); return;
}
var type = value.GetType();
if (type == typeof(object))
{
// serialize to empty object
writer.WriteBeginObject();
writer.WriteEndObject();
return;
}
KeyValuePair <object, Tuple <SerializeMethod, bool> > formatterAndDelegate;
if (!serializers.TryGetValue(type, out formatterAndDelegate))
{
lock (serializers)
{
if (!serializers.TryGetValue(type, out formatterAndDelegate))
{
object formatter = null;
foreach (var innerResolver in innerResolvers)
{
formatter = innerResolver.GetFormatterDynamic(type);
if (formatter != null)
{
break;
}
}
if (formatter == null)
{
throw new FormatterNotRegisteredException(type.FullName + " is not registered in this resolver. resolvers:" + string.Join(", ", innerResolvers.Select(x => x.GetType().Name).ToArray()));
}
var t = type;
{
var dm = new DynamicMethod("Serialize", null, new[] { typeof(object), typeof(JsonWriter).MakeByRefType(), typeof(object), typeof(IJsonFormatterResolver) }, type.Module, true);
var il = dm.GetILGenerator();
// delegate void SerializeMethod(object dynamicFormatter, ref JsonWriter writer, object value, IJsonFormatterResolver formatterResolver);
il.EmitLdarg(0);
il.Emit(OpCodes.Castclass, typeof(IJsonFormatter <>).MakeGenericType(t));
il.EmitLdarg(1);
il.EmitLdarg(2);
il.EmitUnboxOrCast(t);
il.EmitLdarg(3);
il.EmitCall(Resolvers.Internal.DynamicObjectTypeBuilder.EmitInfo.Serialize(t));
il.Emit(OpCodes.Ret);
var writeTypeName = BuiltinResolver.HasFormatter(type);
formatterAndDelegate = new KeyValuePair <object, Tuple <SerializeMethod, bool> >(formatter, Tuple.Create((SerializeMethod)dm.CreateDelegate(typeof(SerializeMethod)), writeTypeName));
}
serializers.TryAdd(t, formatterAndDelegate);
}
}
}
if (formatterAndDelegate.Value.Item2)
{
writer.WriteBeginObject();
writer.WritePropertyName("$type");
var typeName = SubtractFullNameRegex.Replace(type.AssemblyQualifiedName, "");
writer.WriteString(typeName);
writer.WriteValueSeparator();
writer.WritePropertyName("$value");
}
formatterAndDelegate.Value.Item1(formatterAndDelegate.Key, ref writer, value, formatterResolver);
if (formatterAndDelegate.Value.Item2)
{
writer.WriteEndObject();
}
}
public object Deserialize(ref JsonReader reader, IJsonFormatterResolver formatterResolver)
{
if (reader.ReadIsNull())
{
return(null);
}
var typeName = reader.ReadTypeNameWithVerify();
if (typeName == null)
{
return(null);
}
var type = GetTypeFast(typeName);
if (type == null)
{
throw new UnknownTypeException(typeName);
}
KeyValuePair <object, Tuple <DeserializeMethod, bool> > formatterAndDelegate;
if (!deserializers.TryGetValue(type, out formatterAndDelegate))
{
lock (deserializers)
{
if (!deserializers.TryGetValue(type, out formatterAndDelegate))
{
object formatter = null;
foreach (var innerResolver in innerResolvers)
{
formatter = innerResolver.GetFormatterDynamic(type);
if (formatter != null)
{
break;
}
}
if (formatter == null)
{
throw new FormatterNotRegisteredException(type.FullName + " is not registered in this resolver. resolvers:" + string.Join(", ", innerResolvers.Select(x => x.GetType().Name).ToArray()));
}
var t = type;
{
var dm = new DynamicMethod("Deserialize", typeof(object), new[] { typeof(object), typeof(JsonReader).MakeByRefType(), typeof(IJsonFormatterResolver) }, type.Module, true);
var il = dm.GetILGenerator();
// delegate object DeserializeMethod(object dynamicFormatter, ref JsonReader reader, IJsonFormatterResolver formatterResolver);
il.EmitLdarg(0);
il.Emit(OpCodes.Castclass, typeof(IJsonFormatter <>).MakeGenericType(t));
il.EmitLdarg(1);
il.EmitLdarg(2);
il.EmitCall(Resolvers.Internal.DynamicObjectTypeBuilder.EmitInfo.Deserialize(t));
il.EmitBoxOrDoNothing(type);
il.Emit(OpCodes.Ret);
var writeTypeName = BuiltinResolver.HasFormatter(type);
formatterAndDelegate = new KeyValuePair <object, Tuple <DeserializeMethod, bool> >(formatter, Tuple.Create((DeserializeMethod)dm.CreateDelegate(typeof(DeserializeMethod)), writeTypeName));
}
deserializers.TryAdd(t, formatterAndDelegate);
}
}
}
if (formatterAndDelegate.Value.Item2)
{
reader.ReadIsBeginObjectWithVerify();
if (reader.ReadPropertyName() != "$type")
{
throw new JsonParsingException("$type missing");
}
reader.ReadString();
reader.ReadIsValueSeparatorWithVerify();
if (reader.ReadPropertyName() != "$value")
{
throw new JsonParsingException("$value missing");
}
}
var value = formatterAndDelegate.Value.Item1(formatterAndDelegate.Key, ref reader, formatterResolver);
if (formatterAndDelegate.Value.Item2)
{
reader.ReadIsEndObject();
}
return(value);
}
