mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-08-17 14:18:44 +02:00
91 lines
2.9 KiB
C#
91 lines
2.9 KiB
C#
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using System;
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using System.Text;
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namespace Ryujinx.Common
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{
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public static class HexUtils
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{
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private static readonly char[] HexChars = "0123456789ABCDEF".ToCharArray();
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private const int HexTableColumnWidth = 8;
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private const int HexTableColumnSpace = 3;
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// Modified for Ryujinx
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// Original by Pascal Ganaye - CPOL License
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// https://www.codeproject.com/Articles/36747/Quick-and-Dirty-HexDump-of-a-Byte-Array
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public static string HexTable(byte[] bytes, int bytesPerLine = 16)
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{
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if (bytes == null)
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{
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return "<null>";
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}
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int bytesLength = bytes.Length;
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int firstHexColumn =
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HexTableColumnWidth
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+ HexTableColumnSpace;
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int firstCharColumn = firstHexColumn
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+ bytesPerLine * HexTableColumnSpace
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+ (bytesPerLine - 1) / HexTableColumnWidth
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+ 2;
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int lineLength = firstCharColumn
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+ bytesPerLine
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+ Environment.NewLine.Length;
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char[] line = (new String(' ', lineLength - Environment.NewLine.Length) + Environment.NewLine).ToCharArray();
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int expectedLines = (bytesLength + bytesPerLine - 1) / bytesPerLine;
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StringBuilder result = new StringBuilder(expectedLines * lineLength);
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for (int i = 0; i < bytesLength; i += bytesPerLine)
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{
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line[0] = HexChars[(i >> 28) & 0xF];
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line[1] = HexChars[(i >> 24) & 0xF];
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line[2] = HexChars[(i >> 20) & 0xF];
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line[3] = HexChars[(i >> 16) & 0xF];
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line[4] = HexChars[(i >> 12) & 0xF];
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line[5] = HexChars[(i >> 8) & 0xF];
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line[6] = HexChars[(i >> 4) & 0xF];
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line[7] = HexChars[(i >> 0) & 0xF];
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int hexColumn = firstHexColumn;
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int charColumn = firstCharColumn;
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for (int j = 0; j < bytesPerLine; j++)
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{
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if (j > 0 && (j & 7) == 0)
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{
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hexColumn++;
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}
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if (i + j >= bytesLength)
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{
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line[hexColumn] = ' ';
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line[hexColumn + 1] = ' ';
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line[charColumn] = ' ';
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}
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else
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{
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byte b = bytes[i + j];
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line[hexColumn] = HexChars[(b >> 4) & 0xF];
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line[hexColumn + 1] = HexChars[b & 0xF];
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line[charColumn] = (b < 32 ? '·' : (char)b);
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}
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hexColumn += 3;
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charColumn++;
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}
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result.Append(line);
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}
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return result.ToString();
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}
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}
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}
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