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Add Mixed Case options for byte strings.

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This commit is contained in:
Ottermandias 2022-10-07 13:00:46 +02:00
parent d6d4a0db4c
commit b3f048bfe6
2 changed files with 39 additions and 1 deletions
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12
Penumbra.GameData/ByteString/ByteStringFunctions.Case.cs
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@ -9,6 +9,10 @@ public static unsafe partial class ByteStringFunctions
.Select( i => ( byte )char.ToLowerInvariant( ( char )i ) )
.ToArray();
private static readonly byte[] AsciiUpperCaseBytes = Enumerable.Range( 0, 256 )
.Select( i => ( byte )char.ToUpperInvariant( ( char )i ) )
.ToArray();
// Convert a byte to its ASCII-lowercase version.
public static byte AsciiToLower( byte b )
=> AsciiLowerCaseBytes[ b ];
@ -17,6 +21,14 @@ public static unsafe partial class ByteStringFunctions
public static bool AsciiIsLower( byte b )
=> AsciiToLower( b ) == b;
// Convert a byte to its ASCII-uppercase version.
public static byte AsciiToUpper( byte b )
=> AsciiUpperCaseBytes[ b ];
// Check if a byte is ASCII-uppercase.
public static bool AsciiIsUpper( byte b )
=> AsciiToUpper( b ) == b;
// Check if a byte array of given length is ASCII-lowercase.
public static bool IsAsciiLowerCase( byte* path, int length )
{