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56 lines
2.1 KiB
56 lines
2.1 KiB
using IPA.Logging;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics.CodeAnalysis;
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using System.Runtime.CompilerServices;
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using System.Text.Json;
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using System.Text.Json.Nodes;
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using System.Text.Json.Serialization;
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namespace IPA.JsonConverters
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{
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internal class FeaturesFieldConverter : JsonConverter<Dictionary<string, List<JsonObject>>>
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{
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private static void Assert([DoesNotReturnIf(false)] bool condition)
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{
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if (!condition)
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throw new InvalidOperationException();
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}
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public override Dictionary<string, List<JsonObject>> Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
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{
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if (reader.TokenType == JsonTokenType.StartArray)
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{
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// TODO: Why?
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_ = JsonSerializer.Deserialize<string[]>(ref reader, options);
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Logger.Features.Warn("Encountered old features used. They no longer do anything, please move to the new format.");
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// TODO: Is there an alternative to existingValue?
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return null;
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}
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var dict = new Dictionary<string, List<JsonObject>>();
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Assert(reader.TokenType == JsonTokenType.StartObject && reader.Read());
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while (reader.TokenType == JsonTokenType.PropertyName)
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{
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var name = reader.GetString();
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Assert(reader.Read());
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var list = reader.TokenType == JsonTokenType.StartObject
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? (new() { JsonSerializer.Deserialize<JsonObject>(ref reader, options) })
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: JsonSerializer.Deserialize<List<JsonObject>>(ref reader, options);
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dict.Add(name, list);
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Assert(reader.Read());
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}
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return dict;
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}
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public override void Write(Utf8JsonWriter writer, Dictionary<string, List<JsonObject>> value, JsonSerializerOptions options)
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{
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JsonSerializer.Serialize(writer, value, options);
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}
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}
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}
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