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| 1 | +// SPDX-FileCopyrightText: 2024 tdsharp contributors <https://github.com/egramtel/tdsharp> |
| 2 | +// |
| 3 | +// SPDX-License-Identifier: MIT |
| 4 | + |
| 5 | +using System; |
| 6 | +using System.Collections.Generic; |
| 7 | +using System.Linq; |
| 8 | +using System.Reflection; |
| 9 | +using Newtonsoft.Json; |
| 10 | +using Newtonsoft.Json.Linq; |
| 11 | + |
| 12 | +namespace TdLib |
| 13 | +{ |
| 14 | + public class Converter : JsonConverter |
| 15 | + { |
| 16 | + private static Assembly _assembly; |
| 17 | + private static Dictionary<string, Type> _mapper; |
| 18 | + |
| 19 | + static Converter() |
| 20 | + { |
| 21 | + _assembly = typeof(Converter).Assembly; |
| 22 | + _mapper = new Dictionary<string, Type>(StringComparer.OrdinalIgnoreCase); |
| 23 | + |
| 24 | + foreach (var type in _assembly.GetExportedTypes()) |
| 25 | + { |
| 26 | + _mapper.Add(type.Name, type); |
| 27 | + } |
| 28 | + } |
| 29 | + |
| 30 | + public override bool CanRead => true; |
| 31 | + |
| 32 | + public override bool CanWrite => false; |
| 33 | + |
| 34 | + public override bool CanConvert(Type type) |
| 35 | + { |
| 36 | + return _mapper.ContainsKey(type.Name); |
| 37 | + } |
| 38 | + |
| 39 | + public override object ReadJson(JsonReader reader, Type objectType, object existingValue, |
| 40 | + JsonSerializer serializer) |
| 41 | + { |
| 42 | + var jToken = JToken.Load(reader); |
| 43 | + |
| 44 | + if (jToken.Type == JTokenType.Object) |
| 45 | + { |
| 46 | + var jObject = (JObject) jToken; |
| 47 | + |
| 48 | + var typeProp = jObject["@type"]; |
| 49 | + if (typeProp != null) |
| 50 | + { |
| 51 | + var typeName = (string) typeProp; |
| 52 | + if (typeName != null && _mapper.TryGetValue(typeName, out var type)) |
| 53 | + { |
| 54 | + return jObject.ToObject(type); |
| 55 | + } |
| 56 | + } |
| 57 | + } |
| 58 | + |
| 59 | + return jToken.ToObject(objectType); |
| 60 | + } |
| 61 | + |
| 62 | + public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer) |
| 63 | + { |
| 64 | + throw new NotImplementedException(); |
| 65 | + } |
| 66 | + |
| 67 | + public class Int64 : JsonConverter |
| 68 | + { |
| 69 | + public override bool CanRead => true; |
| 70 | + |
| 71 | + public override bool CanWrite => true; |
| 72 | + |
| 73 | + public override object ReadJson(JsonReader reader, Type objectType, object existingValue, |
| 74 | + JsonSerializer serializer) |
| 75 | + { |
| 76 | + var token = JToken.ReadFrom(reader); |
| 77 | + if (token.Type == JTokenType.Array) |
| 78 | + { |
| 79 | + var arr = (JArray) token; |
| 80 | + var res = new long[arr.Count]; |
| 81 | + |
| 82 | + for (int i = 0; i < arr.Count; i++) |
| 83 | + { |
| 84 | + res[i] = arr[i].Value<long>(); |
| 85 | + } |
| 86 | + |
| 87 | + return res; |
| 88 | + } |
| 89 | + |
| 90 | + if (token.Type == JTokenType.Integer || token.Type == JTokenType.String) |
| 91 | + { |
| 92 | + return token.Value<long>(); |
| 93 | + } |
| 94 | + |
| 95 | + return null; |
| 96 | + } |
| 97 | + |
| 98 | + public override bool CanConvert(Type objectType) |
| 99 | + { |
| 100 | + return objectType == typeof(long) |
| 101 | + || objectType == typeof(long[]); |
| 102 | + } |
| 103 | + |
| 104 | + public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer) |
| 105 | + { |
| 106 | + if (value is long val) |
| 107 | + { |
| 108 | + serializer.Serialize(writer, val.ToString()); |
| 109 | + } |
| 110 | + else if (value is long[] arr) |
| 111 | + { |
| 112 | + serializer.Serialize(writer, arr.Select(v => v.ToString()).ToArray()); |
| 113 | + } |
| 114 | + } |
| 115 | + } |
| 116 | + } |
| 117 | +} |
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