80b1ad21d7Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: stephentoub <2642209+stephentoub@users.noreply.github.com> Co-authored-by: ericstj <8918108+ericstj@users.noreply.github.com> Co-authored-by: Eric StJohn <ericstj@microsoft.com>
50 lines
1.2 KiB
C#
50 lines
1.2 KiB
C#
// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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#if !NET
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namespace System.Text;
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internal static class EncodingExtensions
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{
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/// <summary>
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/// Gets the number of bytes required to encode the specified characters.
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/// </summary>
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public static int GetByteCount(this Encoding encoding, ReadOnlySpan<char> chars)
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{
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if (chars.IsEmpty)
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{
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return 0;
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}
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unsafe
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{
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fixed (char* charsPtr = chars)
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{
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return encoding.GetByteCount(charsPtr, chars.Length);
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}
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}
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}
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/// <summary>
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/// Encodes the specified characters into the specified byte span.
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/// </summary>
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public static int GetBytes(this Encoding encoding, ReadOnlySpan<char> chars, Span<byte> bytes)
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{
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if (chars.IsEmpty)
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{
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return 0;
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}
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unsafe
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{
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fixed (char* charsPtr = chars)
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fixed (byte* bytesPtr = bytes)
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{
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return encoding.GetBytes(charsPtr, chars.Length, bytesPtr, bytes.Length);
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}
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}
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}
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}
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#endif
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