48 lines
1.8 KiB
C#

using Syntriax.Engine.Core;
using YamlDotNet.Core;
using YamlDotNet.Core.Events;
using YamlDotNet.Serialization;
namespace Syntriax.Engine.Serialization;
public class TriangleConverter : IEngineTypeYamlConverter
{
public bool Accepts(Type type) => type == typeof(Triangle);
public object? ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer)
{
parser.Consume<MappingStart>();
if (parser.Consume<Scalar>().Value.CompareTo(nameof(Triangle.A)) != 0)
throw new ArgumentException($"{nameof(Triangle)} mapping must start with {nameof(Triangle.A)}");
Vector2D a = (Vector2D)rootDeserializer(typeof(Vector2D))!;
if (parser.Consume<Scalar>().Value.CompareTo(nameof(Triangle.B)) != 0)
throw new ArgumentException($"{nameof(Triangle)} mapping must have {nameof(Triangle.B)} after {nameof(Triangle.A)}");
Vector2D b = (Vector2D)rootDeserializer(typeof(Vector2D))!;
if (parser.Consume<Scalar>().Value.CompareTo(nameof(Triangle.C)) != 0)
throw new ArgumentException($"{nameof(Triangle)} mapping must end with {nameof(Triangle.C)}");
Vector2D c = (Vector2D)rootDeserializer(typeof(Vector2D))!;
parser.Consume<MappingEnd>();
return new Triangle(a, b, c);
}
public void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer)
{
Triangle aabb = (Triangle)value!;
emitter.Emit(new MappingStart());
emitter.Emit(new Scalar(nameof(Triangle.A)));
serializer(aabb.A, typeof(Vector2D));
emitter.Emit(new Scalar(nameof(Triangle.B)));
serializer(aabb.B, typeof(Vector2D));
emitter.Emit(new Scalar(nameof(Triangle.C)));
serializer(aabb.C, typeof(Vector2D));
emitter.Emit(new MappingEnd());
}
}