1 files changed, 90 insertions, 0 deletions
diff --git a/src/Ryujinx.Common/Utilities/HexUtils.cs b/src/Ryujinx.Common/Utilities/HexUtils.cs
new file mode 100644
index 00000000..63587cea
--- /dev/null
+++ b/src/Ryujinx.Common/Utilities/HexUtils.cs
@@ -0,0 +1,90 @@
+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 "<null>";
+            }
+
+            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 StringBuilder(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();
+        }
+    }
+}