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Improve NullHtmlEncoder perf

This commit is contained in:
Sebastien Ros 2019-02-26 16:25:10 -08:00
parent a7f1cc1b2a
commit 55fea7976c
1 changed files with 6 additions and 30 deletions
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36
src/Razor/Razor/src/TagHelpers/NullHtmlEncoder.cs
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@ -3,6 +3,7 @@
using System;
using System.IO;
using System.Runtime.CompilerServices;
using System.Text.Encodings.Web;
namespace Microsoft.AspNetCore.Razor.TagHelpers
@ -11,12 +12,12 @@ namespace Microsoft.AspNetCore.Razor.TagHelpers
/// A <see cref="HtmlEncoder"/> that does not encode. Should not be used when writing directly to a response
/// expected to contain valid HTML.
/// </summary>
public class NullHtmlEncoder : HtmlEncoder
public sealed class NullHtmlEncoder : HtmlEncoder
{
/// <summary>
/// Initializes a <see cref="NullHtmlEncoder"/> instance.
/// </summary>
protected NullHtmlEncoder()
private NullHtmlEncoder()
{
}
@ -27,13 +28,7 @@ namespace Microsoft.AspNetCore.Razor.TagHelpers
public static new NullHtmlEncoder Default { get; } = new NullHtmlEncoder();
/// <inheritdoc />
public override int MaxOutputCharactersPerInputCharacter
{
get
{
return 1;
}
}
public override int MaxOutputCharactersPerInputCharacter => 1;
/// <inheritdoc />
public override string Encode(string value)
@ -68,27 +63,7 @@ namespace Microsoft.AspNetCore.Razor.TagHelpers
}
/// <inheritdoc />
public override void Encode(TextWriter output, string value, int startIndex, int characterCount)
{
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (characterCount == 0)
{
return;
}
output.Write(value.Substring(startIndex, characterCount));
}
/// <inheritdoc />
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public override unsafe int FindFirstCharacterToEncode(char* text, int textLength)
{
return -1;
@ -112,6 +87,7 @@ namespace Microsoft.AspNetCore.Razor.TagHelpers
}
/// <inheritdoc />
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public override bool WillEncode(int unicodeScalar)
{
return false;