47 lines
1.2 KiB
C#
47 lines
1.2 KiB
C#
using System;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace Server.Json
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{
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public class Point3dConverter : JsonConverter<Point3D>
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{
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public override Point3D 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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throw new JsonException("Point3d must be an array of x, y, z");
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var data = new int[3];
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var count = 0;
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while (true)
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{
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reader.Read();
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if (reader.TokenType == JsonTokenType.EndArray)
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break;
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if (reader.TokenType == JsonTokenType.Number)
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{
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if (count < 3)
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data[count] = reader.GetInt32();
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count++;
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}
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}
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if (count < 2 || count > 3)
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throw new JsonException("Point3d must be an array of x, y, z");
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return new Point3D(data[0], data[1], data[2]);
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}
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public override void Write(Utf8JsonWriter writer, Point3D value, JsonSerializerOptions options)
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{
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writer.WriteStartArray();
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writer.WriteNumberValue(value.X);
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writer.WriteNumberValue(value.Y);
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writer.WriteNumberValue(value.Z);
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writer.WriteEndArray();
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}
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}
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}
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