Purge Newtonsoft state annotations

This commit is contained in:
Meta Vens 2026-06-13 04:56:50 +01:00
commit b0d2aa1156
92 changed files with 891 additions and 1684 deletions

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using System;
using System.Collections;
using System.Collections.Generic;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Unity.Mathematics;
using static Unity.Mathematics.math;
public class MathJsonConverter : JsonConverter
{
private readonly Dictionary<Type, Action<JsonWriter, object>> _writers;
private readonly Dictionary<Type, Func<JArray, object>> _readers;
public MathJsonConverter()
{
_writers = GenerateWriters();
_readers = GenerateReaders();
}
private Dictionary<Type, Action<JsonWriter, object>> GenerateWriters()
{
var writers = new Dictionary<Type, Action<JsonWriter, object>>();
writers[typeof(float2)] = (writer, o) =>
{
if (!(o is float2 v))
throw new JsonReaderException();
writer.WriteStartArray();
writer.WriteValue(v.x);
writer.WriteValue(v.y);
writer.WriteEndArray();
};
writers[typeof(int2)] = (writer, o) =>
{
if (!(o is int2 v))
throw new JsonReaderException();
writer.WriteStartArray();
writer.WriteValue(v.x);
writer.WriteValue(v.y);
writer.WriteEndArray();
};
writers[typeof(float3)] = (writer, o) =>
{
if (!(o is float3 v))
throw new JsonReaderException();
writer.WriteStartArray();
writer.WriteValue(v.x);
writer.WriteValue(v.y);
writer.WriteValue(v.z);
writer.WriteEndArray();
};
writers[typeof(float4)] = (writer, o) =>
{
if (!(o is float4 v))
throw new JsonReaderException();
writer.WriteStartArray();
writer.WriteValue(v.x);
writer.WriteValue(v.y);
writer.WriteValue(v.z);
writer.WriteValue(v.w);
writer.WriteEndArray();
};
return writers;
}
private Dictionary<Type, Func<JArray, object>> GenerateReaders()
{
var readers = new Dictionary<Type, Func<JArray, object>>();
readers[typeof(float2)] = array =>
{
if (array.Count < 2)
{
throw new JsonReaderException(
$"Could not read {typeof(float2)} from json, expected a json array with 2 elements");
}
return float2(
array[0].ToObject<float>(),
array[1].ToObject<float>());
};
readers[typeof(int2)] = array =>
{
if (array.Count < 2)
{
throw new JsonReaderException(
$"Could not read {typeof(float2)} from json, expected a json array with 2 elements");
}
return int2(
array[0].ToObject<int>(),
array[1].ToObject<int>());
};
readers[typeof(float3)] = array =>
{
if (array.Count < 3)
{
throw new JsonReaderException(
$"Could not read {typeof(float3)} from json, expected a json array with 3 elements");
}
return float3(
array[0].ToObject<float>(),
array[1].ToObject<float>(),
array[2].ToObject<float>());
};
readers[typeof(float4)] = array =>
{
if (array.Count < 4)
{
throw new JsonReaderException(
$"Could not read {typeof(float4)} from json, expected a json array with 4 elements");
}
return float4(
array[0].ToObject<float>(),
array[1].ToObject<float>(),
array[2].ToObject<float>(),
array[3].ToObject<float>());
};
return readers;
}
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
if (_writers.TryGetValue(value.GetType(), out var serializeAction))
serializeAction(writer, value);
else
throw new JsonReaderException($"Invalid type for ValueConverter:{value.GetType()}");
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
if (_readers.TryGetValue(objectType, out var deserializeFunc))
{
// Convert token from reader to array for deserialize function
var token = JToken.ReadFrom(reader);
if (!(token is JArray asArray))
throw new JsonReaderException(
$"Could not read {objectType} from json, expected a json array but got {token.Type}");
return deserializeFunc(asArray);
}
throw new JsonReaderException($"Invalid type for ValueConverter:{objectType}");
}
public override bool CanConvert(Type objectType)
{
//If the dictionary contains the key, the type can be handled by this class
return _writers.ContainsKey(objectType);
}
//Enable this JSON Converter for reading as well as writing values
public override bool CanRead => true;
public override bool CanWrite => true;
}

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using System;
namespace JsonKnownTypes
{
public static class AttributesManager
{
public static JsonKnownTypeAttribute[] GetJsonKnownAttributes(Type type) =>
(JsonKnownTypeAttribute[])Attribute.GetCustomAttributes(type, typeof(JsonKnownTypeAttribute));
public static JsonKnownThisTypeAttribute GetJsonKnownThisAttribute(Type type) =>
(JsonKnownThisTypeAttribute)Attribute.GetCustomAttribute(type, typeof(JsonKnownThisTypeAttribute));
public static JsonDiscriminatorAttribute GetJsonDiscriminatorAttribute(Type type) =>
(JsonDiscriminatorAttribute)Attribute.GetCustomAttribute(type, typeof(JsonDiscriminatorAttribute));
}
}

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using System;
namespace JsonKnownTypes.Exceptions
{
public class JsonKnownTypesException : Exception
{
public JsonKnownTypesException(string message)
: base(message)
{ }
public JsonKnownTypesException(string message, Exception innerException)
: base(message, innerException)
{ }
}
}

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using System;
namespace JsonKnownTypes
{
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Interface)]
public class JsonDiscriminatorAttribute : Attribute
{
public string Name { get; set; }
internal bool? _autoJson;
public bool AutoJson
{
get => _autoJson != null && (bool) _autoJson;
set => _autoJson = value;
}
}
}

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namespace JsonKnownTypes
{
public class JsonDiscriminatorSettings
{
public string Name { get; set; } = "$type";
public bool AutoJsonKnown { get; set; } = true;
}
}

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using System;
namespace JsonKnownTypes
{
public class JsonKnownThisTypeAttribute : Attribute
{
public string Discriminator { get; }
public JsonKnownThisTypeAttribute()
{ }
public JsonKnownThisTypeAttribute(string discriminator)
{
Discriminator = discriminator;
}
}
}

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using System;
namespace JsonKnownTypes
{
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Interface, AllowMultiple = true)]
public class JsonKnownTypeAttribute : Attribute
{
public Type Type { get; }
public string Discriminator { get; }
public JsonKnownTypeAttribute(Type type)
{
Type = type;
}
public JsonKnownTypeAttribute(Type type, string discriminator)
{
Type = type;
Discriminator = discriminator;
}
}
}

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netstandard2.0</TargetFramework>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
</ItemGroup>
<PropertyGroup>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<Version>0.2.0</Version>
<Authors>Dmitry Kaznacheev</Authors>
<PackageProjectUrl>https://github.com/dmitry-bym/JsonKnownTypes</PackageProjectUrl>
<PackageLicenseUrl>https://github.com/dmitry-bym/JsonKnownTypes/blob/master/LICENSE</PackageLicenseUrl>
<Copyright>Dmitry Kaznacheev</Copyright>
<RepositoryUrl>https://github.com/dmitry-bym/JsonKnownTypes</RepositoryUrl>
<PackageTags>json known polymorphic types</PackageTags>
</PropertyGroup>
</Project>

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using System;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
namespace JsonKnownTypes
{
public class JsonKnownTypesContractResolver<T> : DefaultContractResolver
{
protected override JsonConverter ResolveContractConverter(Type objectType)
{
if (typeof(T).IsAssignableFrom(objectType) && !objectType.IsAbstract)
return null;
return base.ResolveContractConverter(objectType);
}
}
}

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using System;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
namespace JsonKnownTypes
{
public class JsonKnownTypesConverter<T> : JsonConverter
{
private readonly JsonKnownTypesSettings _typesSettings
= JsonKnownTypesSettingsManager.GetSettings<T>();
private JsonSerializerSettings SpecifiedSubclassConversion
{
get =>
new JsonSerializerSettings
{
ContractResolver = new JsonKnownTypesContractResolver<T>()
};
}
public override bool CanConvert(Type objectType)
=> _typesSettings.TypeToDiscriminator.ContainsKey(objectType);
public override bool CanWrite { get => true; }
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
if (reader.TokenType == JsonToken.Null) return null;
var jo = JObject.Load(reader);
var discriminator = jo[_typesSettings.Name].ToString();
if(_typesSettings.DiscriminatorToType.TryGetValue(discriminator, out var typeForObject))
return JsonConvert.DeserializeObject(jo.ToString(), typeForObject, SpecifiedSubclassConversion);
return null;
//throw new NotImplementedException();
}
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
var objectType = value.GetType();
if (_typesSettings.TypeToDiscriminator.TryGetValue(objectType, out var discriminator))
{
var json = JsonConvert.SerializeObject(value, SpecifiedSubclassConversion);
var jo = JObject.Parse(json);
jo.Add(_typesSettings.Name, new JValue(discriminator));
jo.WriteTo(writer);
}
else
{
throw new ArgumentException($"Json Known Types: Type Unknown {objectType.FullName}!");
}
}
}
}

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using System;
using System.Collections.Generic;
using System.Linq;
using JsonKnownTypes.Exceptions;
namespace JsonKnownTypes
{
internal static class JsonKnownTypesDictionaryManager
{
public static void AddJsonKnown<T>(this Dictionary<Type, string> dictionary)
{
var attrs = AttributesManager.GetJsonKnownAttributes(typeof(T));
foreach (var attr in attrs)
{
var discriminator = attr.Discriminator ?? attr.Type.Name;
dictionary.TryAdd(attr.Type, discriminator);
}
}
public static void AddJsonKnownThis(this Dictionary<Type, string> dictionary, Type[] inherited)
{
foreach (var type in inherited)
{
var attr = AttributesManager.GetJsonKnownThisAttribute(type);
if (attr != null)
{
var discriminator = attr.Discriminator ?? type.Name;
dictionary.TryAdd(type, discriminator);
}
}
}
public static void AddAutoGenerated(this Dictionary<Type, string> dictionary, Type[] inherited)
{
foreach (var type in inherited.Except(dictionary.Keys))
{
dictionary.TryAdd(type, type.Name);
}
}
public static void TryAdd(this Dictionary<Type, string> dictionary, Type key, string discriminator)
{
if (dictionary.ContainsKey(key))
throw new JsonKnownTypesException($"Dictionary already contains the key {key.Name}");//todo
if (dictionary.ContainsValue(discriminator))
throw new JsonKnownTypesException($"Dictionary already contains the value {discriminator}");//todo
dictionary.Add(key, discriminator);
}
public static Dictionary<string, Type> Revert(this Dictionary<Type, string> dictionary)
{
try
{
return dictionary.ToDictionary(x => x.Value, x => x.Key);
}
catch (ArgumentException e)
{
throw new JsonKnownTypesException("Dictionary has a repeated value", e);
}
}
}
}

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using System;
using System.Collections.Generic;
namespace JsonKnownTypes
{
public class JsonKnownTypesSettings
{
public string Name { get; set; }
public Dictionary<string, Type> DiscriminatorToType { get; set; } = new Dictionary<string, Type>();
public Dictionary<Type, string> TypeToDiscriminator { get; set; } = new Dictionary<Type, string>();
}
}

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using JsonKnownTypes.Exceptions;
using JsonKnownTypes.Utils;
namespace JsonKnownTypes
{
public static class JsonKnownTypesSettingsManager
{
public static JsonDiscriminatorSettings DefaultDiscriminatorSettings { get; set; } = new JsonDiscriminatorSettings();
private static HashSet<Assembly> RegisteredAssemblies = new HashSet<Assembly>();
public static void RegisterTypeAssembly<T>()
{
var type = typeof(T);
RegisteredAssemblies.Add(type.Assembly);
}
public static JsonKnownTypesSettings GetSettings<T>()
{
var discriminatorAttribute = AttributesManager.GetJsonDiscriminatorAttribute(typeof(T));
var discriminatorSettings = discriminatorAttribute == null ? DefaultDiscriminatorSettings : Mapper.Map(discriminatorAttribute);
var typeSettings = new JsonKnownTypesSettings
{
Name = discriminatorSettings.Name
};
var allTypes = GetAllInheritance<T>();
typeSettings.TypeToDiscriminator.AddJsonKnown<T>();
typeSettings.TypeToDiscriminator.AddJsonKnownThis(allTypes);
if (discriminatorSettings.AutoJsonKnown)
{
typeSettings.TypeToDiscriminator.AddAutoGenerated(allTypes);
}
else if(!allTypes.All(typeSettings.TypeToDiscriminator.ContainsKey))
{
throw new JsonKnownTypesException("Dictionary contains not all types of hierarchy, enable AutoJsonKnow or add attributes for all classes"); //todo
}
typeSettings.DiscriminatorToType = typeSettings.TypeToDiscriminator.Revert();
return typeSettings;
}
private static Type[] GetAllInheritance<T>()
{
RegisterTypeAssembly<T>();
var type = typeof(T);
return RegisteredAssemblies.SelectMany(a=>a.GetTypes())
.Where(x => type.IsAssignableFrom(x) && !x.IsInterface && !x.IsAbstract)
.ToArray();
}
}
}

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namespace JsonKnownTypes.Utils
{
internal static class Mapper
{
public static JsonDiscriminatorSettings Map(JsonDiscriminatorAttribute entity)
{
var settings = new JsonDiscriminatorSettings();
settings.Name = entity.Name ?? settings.Name;
settings.AutoJsonKnown = entity._autoJson ?? settings.AutoJsonKnown;
return settings;
}
}
}

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