diff options
| author | Bond_009 <bond.009@outlook.com> | 2019-12-22 22:21:41 +0100 |
|---|---|---|
| committer | Bond_009 <bond.009@outlook.com> | 2019-12-22 22:21:41 +0100 |
| commit | f9a454628d7204bc30d64f9c0589d766ad5f3109 (patch) | |
| tree | 0b099808e5dc010dd87458dc4e138f771edf77ea | |
| parent | cf2e2a3f309d59c3c31696fc7f3ef2b6668c89dd (diff) | |
Preformance!!!
| -rw-r--r-- | MediaBrowser.Common/Json/Converters/JsonInt32Converter.cs | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/MediaBrowser.Common/Json/Converters/JsonInt32Converter.cs b/MediaBrowser.Common/Json/Converters/JsonInt32Converter.cs index 0fd68babe..fe5dd6cd4 100644 --- a/MediaBrowser.Common/Json/Converters/JsonInt32Converter.cs +++ b/MediaBrowser.Common/Json/Converters/JsonInt32Converter.cs @@ -15,7 +15,20 @@ namespace MediaBrowser.Common.Json.Converters public override int Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) { static void ThrowFormatException() => throw new FormatException("Invalid format for an integer."); - ReadOnlySpan<byte> span = reader.HasValueSequence ? reader.ValueSequence.ToArray() : reader.ValueSpan; + ReadOnlySpan<byte> span = stackalloc byte[0]; + + if (reader.HasValueSequence) + { + long sequenceLength = reader.ValueSequence.Length; + Span<byte> stackSpan = stackalloc byte[(int)sequenceLength]; + reader.ValueSequence.CopyTo(stackSpan); + span = stackSpan; + } + else + { + span = reader.ValueSpan; + } + if (!Utf8Parser.TryParse(span, out int number, out _)) { ThrowFormatException(); @@ -28,7 +41,7 @@ namespace MediaBrowser.Common.Json.Converters public override void Write(Utf8JsonWriter writer, int value, JsonSerializerOptions options) { static void ThrowInvalidOperationException() => throw new InvalidOperationException(); - Span<byte> span = new byte[16]; + Span<byte> span = stackalloc byte[16]; if (Utf8Formatter.TryFormat(value, span, out int bytesWritten)) { writer.WriteStringValue(span.Slice(0, bytesWritten)); |
