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