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authorBond_009 <bond.009@outlook.com>2019-12-22 22:21:41 +0100
committerBond_009 <bond.009@outlook.com>2019-12-22 22:21:41 +0100
commitf9a454628d7204bc30d64f9c0589d766ad5f3109 (patch)
tree0b099808e5dc010dd87458dc4e138f771edf77ea
parentcf2e2a3f309d59c3c31696fc7f3ef2b6668c89dd (diff)
Preformance!!!
-rw-r--r--MediaBrowser.Common/Json/Converters/JsonInt32Converter.cs17
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));