forked from aly/qstbak
56 lines
1.3 KiB
C#
56 lines
1.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace Questionable.Model.Common.Converter;
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public sealed class StringListOrValueConverter : JsonConverter<List<string>>
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{
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public override List<string> Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
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{
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if (reader.TokenType == JsonTokenType.String)
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{
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int num = 1;
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List<string> list = new List<string>(num);
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CollectionsMarshal.SetCount(list, num);
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Span<string> span = CollectionsMarshal.AsSpan(list);
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int index = 0;
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span[index] = reader.GetString();
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return list;
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}
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if (reader.TokenType != JsonTokenType.StartArray)
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{
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throw new JsonException();
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}
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reader.Read();
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List<string> list2 = new List<string>();
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while (reader.TokenType != JsonTokenType.EndArray)
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{
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list2.Add(reader.GetString());
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reader.Read();
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}
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return list2;
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}
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public override void Write(Utf8JsonWriter writer, List<string>? value, JsonSerializerOptions options)
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{
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if (value == null)
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{
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writer.WriteNullValue();
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return;
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}
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if (value.Count == 1)
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{
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writer.WriteStringValue(value[0]);
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return;
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}
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writer.WriteStartArray();
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foreach (string item in value)
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{
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writer.WriteStringValue(item);
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}
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writer.WriteEndArray();
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}
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}
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