Syntriax.Engine/Engine.Serialization/Converters/EntityReferenceConverter.cs

37 lines
1.3 KiB
C#

using YamlDotNet.Core;
using YamlDotNet.Core.Events;
using YamlDotNet.Serialization;
namespace Syntriax.Engine.Serialization;
public class EntityReferenceConverter : IEngineTypeYamlConverter
{
public bool Accepts(Type type) => type == typeof(EntityReference);
public object? ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer)
{
parser.Consume<MappingStart>();
TypeContainer typeContainer = (TypeContainer)rootDeserializer(typeof(TypeContainer))!;
if (parser.Consume<Scalar>().Value.CompareTo(nameof(EntityReference.Id)) != 0)
throw new ArgumentException($"{nameof(EntityReference)} mapping must have an {nameof(EntityReference.Id)}");
string id = parser.Consume<Scalar>().Value;
parser.Consume<MappingEnd>();
return new EntityReference() { Id = id, TypeContainer = typeContainer };
}
public void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer)
{
EntityReference? entityReference = (EntityReference)value!;
emitter.Emit(new MappingStart());
serializer(entityReference.TypeContainer, typeof(TypeContainer));
emitter.Emit(new Scalar(nameof(EntityReference.Id)));
emitter.Emit(new Scalar(entityReference.Id));
emitter.Emit(new MappingEnd());
}
}