update

FileSystem.cs

@@ -0,0 +1,280 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+namespace CMLeonOS
+{
+    public class FileSystem
+    {
+        private string currentDirectory;
+
+        public FileSystem()
+        {
+            currentDirectory = @"0:\";
+        }
+
+        public string CurrentDirectory
+        {
+            get { return currentDirectory; }
+        }
+
+        public void ChangeDirectory(string path)
+        {
+            if (string.IsNullOrEmpty(path))
+            {
+                currentDirectory = @"0:\";
+                return;
+            }
+
+            string fullPath = GetFullPath(path);
+            
+            try
+            {
+                if (Directory.Exists(fullPath))
+                {
+                    currentDirectory = fullPath;
+                }
+                else
+                {
+                    Console.WriteLine($"Directory not found: {path}");
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error changing directory: {ex.Message}");
+            }
+        }
+
+        public void MakeDirectory(string path)
+        {
+            string fullPath = GetFullPath(path);
+            
+            try
+            {
+                if (!Directory.Exists(fullPath))
+                {
+                    Directory.CreateDirectory(fullPath);
+                    Console.WriteLine($"Directory created: {path}");
+                }
+                else
+                {
+                    Console.WriteLine($"Directory already exists: {path}");
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error creating directory: {ex.Message}");
+            }
+        }
+
+        public void ListFiles(string path = ".")
+        {
+            string fullPath = GetFullPath(path);
+            
+            try
+            {
+                if (Directory.Exists(fullPath))
+                {
+                    // 列出当前目录下的文件和子目录
+                    Console.WriteLine($"Contents of {path}:");
+                    
+                    // 列出子目录
+                    try
+                    {
+                        var dirs = Directory.GetDirectories(fullPath);
+                        foreach (var dir in dirs)
+                        {
+                            // 使用Path.GetFileName获取目录名，避免Substring可能导致的问题
+                            string dirName = Path.GetFileName(dir);
+                            Console.WriteLine($"[DIR]  {dirName}");
+                        }
+                    }
+                    catch
+                    {
+                        // 可能没有权限或其他错误
+                    }
+                    
+                    // 列出文件
+                    try
+                    {
+                        var files = Directory.GetFiles(fullPath);
+                        foreach (var file in files)
+                        {
+                            // 使用Path.GetFileName获取文件名，避免Substring可能导致的问题
+                            string fileName = Path.GetFileName(file);
+                            Console.WriteLine($"[FILE] {fileName}");
+                        }
+                    }
+                    catch
+                    {
+                        // 可能没有权限或其他错误
+                    }
+                }
+                else
+                {
+                    Console.WriteLine($"Directory not found: {path}");
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error listing files: {ex.Message}");
+            }
+        }
+
+        public void CreateFile(string path, string content = "")
+        {
+            string fullPath = GetFullPath(path);
+            
+            try
+            {
+                // 创建或覆盖文件
+                File.WriteAllText(fullPath, content);
+                Console.WriteLine($"File created: {path}");
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error creating file: {ex.Message}");
+            }
+        }
+
+        public void WriteFile(string path, string content)
+        {
+            string fullPath = GetFullPath(path);
+            
+            try
+            {
+                if (File.Exists(fullPath))
+                {
+                    File.WriteAllText(fullPath, content);
+                    Console.WriteLine($"File written: {path}");
+                }
+                else
+                {
+                    Console.WriteLine($"File not found: {path}");
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error writing file: {ex.Message}");
+            }
+        }
+
+        public string ReadFile(string path)
+        {
+            string fullPath = GetFullPath(path);
+            
+            try
+            {
+                if (File.Exists(fullPath))
+                {
+                    return File.ReadAllText(fullPath);
+                }
+                else
+                {
+                    Console.WriteLine($"File not found: {path}");
+                    return "";
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error reading file: {ex.Message}");
+                return "";
+            }
+        }
+
+        public void DeleteFile(string path)
+        {
+            string fullPath = GetFullPath(path);
+            
+            try
+            {
+                if (File.Exists(fullPath))
+                {
+                    File.Delete(fullPath);
+                    Console.WriteLine($"File deleted: {path}");
+                }
+                else
+                {
+                    Console.WriteLine($"File not found: {path}");
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error deleting file: {ex.Message}");
+            }
+        }
+
+        public void DeleteDirectory(string path)
+        {
+            string fullPath = GetFullPath(path);
+            
+            try
+            {
+                if (Directory.Exists(fullPath))
+                {
+                    try
+                    {
+                        // 尝试删除目录
+                        Directory.Delete(fullPath);
+                        Console.WriteLine($"Directory deleted: {path}");
+                    }
+                    catch
+                    {
+                        // 目录可能不为空
+                        Console.WriteLine($"Directory not empty: {path}");
+                    }
+                }
+                else
+                {
+                    Console.WriteLine($"Directory not found: {path}");
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error deleting directory: {ex.Message}");
+            }
+        }
+
+        private string GetFullPath(string path)
+        {
+            if (path.StartsWith(@"0:\"))
+            {
+                return path;
+            }
+            else if (path == ".")
+            {
+                return currentDirectory;
+            }
+            else if (path == "..")
+            {
+                if (currentDirectory == @"0:\")
+                {
+                    return @"0:\";
+                }
+                else
+                {
+                    int lastSlash = currentDirectory.LastIndexOf('\\');
+                    if (lastSlash == 2) // 0:\
+                    {
+                        return @"0:\";
+                    }
+                    else
+                    {
+                        return currentDirectory.Substring(0, lastSlash);
+                    }
+                }
+            }
+            else
+            {
+                if (currentDirectory == @"0:\")
+                {
+                    return $@"0:\{path}";
+                }
+                else
+                {
+                    return $@"{currentDirectory}\{path}";
+                }
+            }
+        }
+    }
+}