hex命令

shell/Commands/Utility/HexCommand.cs

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+using System;
+using System.IO;
+
+namespace CMLeonOS.Commands.Utility
+{
+    public static class HexCommand
+    {
+        public static void EditHexFile(string args)
+        {
+            try
+            {
+                if (string.IsNullOrWhiteSpace(args))
+                {
+                    Console.ForegroundColor = ConsoleColor.Red;
+                    Console.WriteLine("Usage: hex <filename>");
+                    Console.WriteLine("Example: hex test.bin");
+                    Console.WriteLine();
+                    Console.WriteLine("Controls:");
+                    Console.WriteLine("  Arrow Keys - Move cursor");
+                    Console.WriteLine("  Page Up/Down - Scroll view");
+                    Console.WriteLine("  0-9, A-F - Edit byte");
+                    Console.WriteLine("  S - Save file");
+                    Console.WriteLine("  Q - Quit");
+                    Console.ResetColor();
+                    return;
+                }
+
+                string filePath = args.Trim();
+                
+                if (!File.Exists(filePath))
+                {
+                    Console.ForegroundColor = ConsoleColor.Red;
+                    Console.WriteLine($"File not found: {filePath}");
+                    Console.ResetColor();
+                    return;
+                }
+
+                var editor = new HexEditor(filePath);
+                editor.Run();
+            }
+            catch (Exception ex)
+            {
+                Console.ForegroundColor = ConsoleColor.Red;
+                Console.WriteLine($"Error opening hex editor: {ex.Message}");
+                Console.ResetColor();
+            }
+        }
+    }
+}