35 lines
1.3 KiB
C#
35 lines
1.3 KiB
C#
using System;
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using System.Linq;
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namespace Swan {
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/// <summary>
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/// Provides various extension methods for byte arrays and streams.
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/// </summary>
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public static class ByteArrayExtensions {
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/// <summary>
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/// Converts an array of bytes to a base-64 encoded string.
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/// </summary>
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/// <param name="bytes">The bytes.</param>
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/// <returns>A <see cref="String" /> converted from an array of bytes.</returns>
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public static String ToBase64(this Byte[] bytes) => Convert.ToBase64String(bytes);
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/// <summary>
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/// Converts a set of hexadecimal characters (uppercase or lowercase)
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/// to a byte array. String length must be a multiple of 2 and
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/// any prefix (such as 0x) has to be avoided for this to work properly.
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/// </summary>
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/// <param name="this">The hexadecimal.</param>
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/// <returns>
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/// A byte array containing the results of encoding the specified set of characters.
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/// </returns>
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/// <exception cref="ArgumentNullException">hex.</exception>
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public static Byte[] ConvertHexadecimalToBytes(this String @this) {
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if(String.IsNullOrWhiteSpace(@this)) {
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throw new ArgumentNullException(nameof(@this));
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}
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return Enumerable.Range(0, @this.Length / 2).Select(x => Convert.ToByte(@this.Substring(x * 2, 2), 16)).ToArray();
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}
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}
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}
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