public void Present(Span <byte> output, VariantValue value, ValuePresenterLimits limits, out int byteCount)
{
switch (value.Kind)
{
case VariantKind.Int32:
AppendNumber(output, value.AsInt32Unchecked(), out byteCount);
return;
case VariantKind.Int64:
Utf8Formatter.TryFormat(value.AsInt64Unchecked(), output, out byteCount);
return;
case VariantKind.Object:
AppendValue(output, value.AsObjectUnchecked(), depth: 1, limits, out byteCount);
return;
default:
throw new NotSupportedException($"Unsupported variant kind: {value.Kind}");
}
}
// Does NOT have to be thread-safe
private void WriteRecordWithValueToWriter(Utf8JsonWriter writer, FlowRecord record, VariantValue value)
{
writer.WriteStartArray();
writer.WriteNumberValue(record.LineNumber);
switch (value.Kind)
{
case VariantKind.Int32:
writer.WriteNumberValue(value.AsInt32Unchecked());
break;
default:
WriteOtherValueToWriter(writer, record, value);
break;
}
if (record.Name != null)
{
WriteNameToWriter(writer, record.Name);
}
writer.WriteEndArray();
}