59 lines
2.1 KiB
C#
59 lines
2.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.IO;
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using System.Threading.Tasks;
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using System.Text.RegularExpressions;
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namespace Switch_Toolbox.Library.IO
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{
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public static class IOExtensions
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{
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//https://github.com/exelix11/EditorCore/blob/872d210f85ec0409f8a6ac3a12fc162aaf4cd90c/EditorCoreCommon/CustomClasses.cs#L367
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public static bool Matches(this byte[] arr, string magic) =>
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arr.Matches(0, magic.ToCharArray());
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public static bool Matches(this byte[] arr, uint magic) =>
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arr.Matches(0, BitConverter.GetBytes(magic));
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public static bool Matches(this byte[] arr, uint startIndex, params byte[] magic)
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{
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if (arr.Length < magic.Length + startIndex) return false;
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for (uint i = 0; i < magic.Length; i++)
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{
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if (arr[i + startIndex] != magic[i]) return false;
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}
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return true;
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}
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public static bool Matches(this byte[] arr, uint startIndex, params char[] magic)
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{
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if (arr.Length < magic.Length + startIndex) return false;
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for (uint i = 0; i < magic.Length; i++)
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{
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if (arr[i + startIndex] != magic[i]) return false;
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}
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return true;
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}
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public static uint Reverse(this uint x)
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{
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// swap adjacent 16-bit blocks
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x = (x >> 16) | (x << 16);
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// swap adjacent 8-bit blocks
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return ((x & 0xFF00FF00) >> 8) | ((x & 0x00FF00FF) << 8);
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}
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//https://stackoverflow.com/questions/2230826/remove-invalid-disallowed-bad-characters-from-filename-or-directory-folder/12800424#12800424
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public static string RemoveIllegaleFileNameCharacters(this string str)
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{
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return string.Join("_", str.Split(Path.GetInvalidFileNameChars()));
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}
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public static string RemoveIllegaleFolderNameCharacters(this string str)
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{
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return string.Join("_", str.Split(Path.GetInvalidPathChars()));
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}
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}
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}
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