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punish v6.8.18.0

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alydev 2025-10-09 07:47:19 +10:00
commit e786325cda
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Questionable.Model/Questionable.Model.Common.Converter/EnumConverter.cs Normal file
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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text.Json;
using System.Text.Json.Serialization;
namespace Questionable.Model.Common.Converter;
public abstract class EnumConverter<T> : JsonConverter<T> where T : Enum
{
private readonly ReadOnlyDictionary<T, string> _enumToString;
private readonly ReadOnlyDictionary<string, T> _stringToEnum;
protected EnumConverter(IReadOnlyDictionary<T, string> values)
{
_enumToString = ((values is IDictionary<T, string> dictionary) ? new ReadOnlyDictionary<T, string>(dictionary) : new ReadOnlyDictionary<T, string>(values.ToDictionary<KeyValuePair<T, string>, T, string>((KeyValuePair<T, string> x) => x.Key, (KeyValuePair<T, string> x) => x.Value)));
_stringToEnum = new ReadOnlyDictionary<string, T>(_enumToString.ToDictionary<KeyValuePair<T, string>, string, T>((KeyValuePair<T, string> x) => x.Value, (KeyValuePair<T, string> x) => x.Key));
}
public override T? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
if (reader.TokenType != JsonTokenType.String)
{
throw new JsonException();
}
string text = reader.GetString();
if (text == null)
{
throw new JsonException();
}
if (!_stringToEnum.TryGetValue(text, out var value))
{
throw new JsonException();
}
return value;
}
public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
{
writer.WriteStringValue(_enumToString[value]);
}
}