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130 lines
4.1 KiB
C#
130 lines
4.1 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : PrintHex.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Helpers.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Prints a byte array as hexadecimal.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2025 Natalia Portillo
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// ****************************************************************************/
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using System.Text;
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using Aaru.Logging;
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namespace Aaru.Helpers;
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/// <summary>Helper operations to get hexadecimal representations of byte arrays</summary>
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public static class PrintHex
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{
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/// <summary>Prints a byte array as hexadecimal values to the console</summary>
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/// <param name="array">Array</param>
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/// <param name="width">Width of line</param>
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public static void PrintHexArray(byte[] array, int width = 16) =>
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AaruLogging.WriteLine(ByteArrayToHexArrayString(array, width));
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/// <summary>Prints a byte array as hexadecimal values to a string</summary>
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/// <param name="array">Array</param>
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/// <param name="width">Width of line</param>
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/// <param name="color">Use ANSI escape colors for sections</param>
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/// <returns>String containing hexadecimal values</returns>
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public static string ByteArrayToHexArrayString(byte[] array, int width = 16, bool color = false)
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{
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if(array is null) return null;
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// TODO: Color list
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// TODO: Allow to change width
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string str = Localization.Offset;
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int rows = array.Length / width;
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int last = array.Length % width;
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int offsetLength = $"{array.Length:X}".Length;
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var sb = new StringBuilder();
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switch(last)
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{
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case > 0:
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rows++;
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break;
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case 0:
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last = width;
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break;
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}
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if(offsetLength < str.Length) offsetLength = str.Length;
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while(str.Length < offsetLength) str += ' ';
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if(color) sb.Append("\e[36m");
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sb.Append(str);
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sb.Append(" ");
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for(var i = 0; i < width; i++) sb.Append($" {i:X2}");
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if(color) sb.Append("\e[0m");
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sb.AppendLine();
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var b = 0;
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var format = $"{{0:X{offsetLength}}}";
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for(var i = 0; i < rows; i++)
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{
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if(color) sb.Append("\e[36m");
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sb.AppendFormat(format, b);
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if(color) sb.Append("\e[0m");
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sb.Append(" ");
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int lastBytes = i == rows - 1 ? last : width;
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int lastSpaces = width - lastBytes;
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for(var j = 0; j < lastBytes; j++)
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{
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sb.Append($" {array[b]:X2}");
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b++;
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}
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for(var j = 0; j < lastSpaces; j++) sb.Append(" ");
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b -= lastBytes;
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sb.Append(" ");
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for(var j = 0; j < lastBytes; j++)
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{
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int v = array[b];
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sb.Append(v is > 31 and < 127 or > 159 ? (char)v : '.');
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b++;
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}
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sb.AppendLine();
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}
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return sb.ToString();
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}
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} |