Int64Converter.cs

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namespace System.Text.Json.Serialization.Converters;
 
internal sealed class Int64Converter : JsonConverter<long>
{
    public Int64Converter()
    {
        IsInternalConverterForNumberType = true;
    }
 
    public override long Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
    {
        return reader.GetInt64();
    }
 
    public override void Write(Utf8JsonWriter writer, long value, JsonSerializerOptions options)
    {
        writer.WriteNumberValue(value);
    }
 
    internal override long ReadAsPropertyNameCore(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
    {
        return reader.GetInt64WithQuotes();
    }
 
    internal override void WriteAsPropertyNameCore(Utf8JsonWriter writer, long value, JsonSerializerOptions options, bool isWritingExtensionDataProperty)
    {
        writer.WritePropertyName(value);
    }
 
    internal override long ReadNumberWithCustomHandling(ref Utf8JsonReader reader, JsonNumberHandling handling, JsonSerializerOptions options)
    {
        if (reader.TokenType == JsonTokenType.String && (JsonNumberHandling.AllowReadingFromString & handling) != 0)
        {
            return reader.GetInt64WithQuotes();
        }
        return reader.GetInt64();
    }
 
    internal override void WriteNumberWithCustomHandling(Utf8JsonWriter writer, long value, JsonNumberHandling handling)
    {
        if ((JsonNumberHandling.WriteAsString & handling) != 0)
        {
            writer.WriteNumberValueAsString(value);
        }
        else
        {
            writer.WriteNumberValue(value);
        }
    }
}