Files
Aaru/Aaru.Helpers/ArrayFill.cs

75 lines
2.8 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : ArrayFill.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Helpers.
//
// --[ Description ] ----------------------------------------------------------
//
// Fills an array with a specified value.
//
// --[ License ] --------------------------------------------------------------
//
// No license specified by creator.
//
// Published on https://github.com/mykohsu/Extensions/blob/master/ArrayExtensions.cs
//
// Assuming open source.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2025 Natalia Portillo
// Copyright(C) 2014 mykohsu
// ****************************************************************************/
using System;
using System.Text;
namespace Aaru.Helpers;
public static partial class ArrayHelpers
{
/// <summary>Fills an array with the specified value</summary>
/// <param name="destinationArray">Array</param>
/// <param name="value">Value</param>
/// <typeparam name="T">Array type</typeparam>
public static void ArrayFill<T>(T[] destinationArray, T value) => ArrayFill(destinationArray, [value]);
/// <summary>Fills an array with the contents of the specified array</summary>
/// <param name="destinationArray">Array</param>
/// <param name="value">Value</param>
/// <typeparam name="T">Array type</typeparam>
public static void ArrayFill<T>(T[] destinationArray, T[] value)
{
ArgumentNullException.ThrowIfNull(destinationArray);
if(value.Length > destinationArray.Length)
throw new ArgumentException(Localization.Length_of_value_array_must_not_be_more_than_length_of_destination);
// set the initial array value
Array.Copy(value, destinationArray, value.Length);
int arrayToFillHalfLength = destinationArray.Length / 2;
int copyLength;
for(copyLength = value.Length; copyLength < arrayToFillHalfLength; copyLength <<= 1)
Array.Copy(destinationArray, 0, destinationArray, copyLength, copyLength);
Array.Copy(destinationArray, 0, destinationArray, copyLength, destinationArray.Length - copyLength);
}
/// <summary>Converts a byte array to its hexadecimal representation</summary>
/// <param name="array">Byte array</param>
/// <param name="upper"><c>true</c> to use uppercase</param>
/// <returns></returns>
public static string ByteArrayToHex(byte[] array, bool upper = false)
{
var sb = new StringBuilder();
for(long i = 0; i < array.LongLength; i++) sb.Append($"{array[i]:x2}");
return upper ? sb.ToString().ToUpper() : sb.ToString();
}
}