SabreTools/SabreTools.Hashing
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Make helper method for array segment

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This commit is contained in:
Matt Nadareski
2024-03-04 11:11:48 -05:00
parent 951163e988
commit 9d95f2ca13
1 changed files with 17 additions and 8 deletions
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25
SabreTools.Hashing/HashWrapper.cs
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@@ -137,14 +137,8 @@ namespace SabreTools.Hashing
break;
case IChecksum ic:
#if NET452_OR_GREATER || NETCOREAPP
var icBufferSpan = new ReadOnlySpan<byte>(buffer, offset, size);
byte[] trimmedBuffer = icBufferSpan.ToArray();
#else
byte[] trimmedBuffer = new byte[size];
Array.Copy(buffer, offset, trimmedBuffer, 0, size);
#endif
ic.Update(trimmedBuffer);
byte[] icBuffer = GetArraySegment(buffer, offset, size);
ic.Update(icBuffer);
break;
#if NET462_OR_GREATER || NETCOREAPP
@@ -208,6 +202,21 @@ namespace SabreTools.Hashing
}
}
/// <summary>
/// Get a segment from the array based on an offset and size
/// </summary>
private static byte[] GetArraySegment(byte[] buffer, int offset, int size)
{
#if NET452_OR_GREATER || NETCOREAPP
var icBufferSpan = new ReadOnlySpan<byte>(buffer, offset, size);
byte[] trimmedBuffer = icBufferSpan.ToArray();
#else
byte[] trimmedBuffer = new byte[size];
Array.Copy(buffer, offset, trimmedBuffer, 0, size);
#endif
return trimmedBuffer;
}
#endregion
}
}