Added DriveNotFoundException.cs. MonoIO.cs: Added ERROR_INVALID_DRIVE handling. Pass...
[mono.git] / mcs / class / corlib / System.IO / MonoIO.cs
index e9cddbdb2db819d5db89309464c4c53d24aa20bd..cc62d6957e64d98fd88f38ebcb7f042b1bd8c386 100644 (file)
-//\r
-// System.IO.MonoIO.cs: static interface to native filesystem.\r
-//\r
-// Author:\r
-//   Dan Lewis (dihlewis@yahoo.co.uk)\r
-//\r
-// (C) 2002\r
-//\r
-\r
-using System;\r
-using System.Runtime.CompilerServices;\r
-\r
-namespace System.IO\r
-{\r
-       internal sealed class MonoIO {\r
-               public static readonly FileAttributes\r
-                       InvalidFileAttributes = (FileAttributes)(-1);\r
-\r
-               public static readonly IntPtr\r
-                       InvalidHandle = (IntPtr)(-1);\r
-\r
-               // error methods\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static MonoIOError GetLastError ();\r
-\r
-               public static Exception GetException ()\r
-               {\r
-                       return GetException (String.Empty);\r
-               }\r
-\r
-               public static Exception GetException (string path)\r
-               {\r
-                       MonoIOError error = GetLastError ();\r
-                       string message;\r
-\r
-                       switch (error) {\r
-                       // FIXME: add more exception mappings here\r
-                       case MonoIOError.ERROR_FILE_NOT_FOUND:\r
-                               message = String.Format ("Could not find file \"{0}\"", path);\r
-                               return new FileNotFoundException (message);\r
-\r
-                       case MonoIOError.ERROR_PATH_NOT_FOUND:\r
-                               message = String.Format ("Could not find a part of the path \"{0}\"", path);\r
-                               return new DirectoryNotFoundException (message);\r
-\r
-                       case MonoIOError.ERROR_ACCESS_DENIED:\r
-                               message = String.Format ("Access to the path \"{0}\" is denied.", path);\r
-                               return new UnauthorizedAccessException (message);\r
-\r
-                       default:\r
-                               message = String.Format ("Win32 IO returned {0}", error);\r
-                               return new IOException (message);\r
-                       }\r
-               }\r
-\r
-               // directory methods\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static bool CreateDirectory (string path);\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static bool RemoveDirectory (string path);\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static IntPtr FindFirstFile (string path, out MonoIOStat stat);\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static bool FindNextFile (IntPtr find, out MonoIOStat stat);\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static bool FindClose (IntPtr find);\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static string GetCurrentDirectory ();\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static bool SetCurrentDirectory (string path);\r
-\r
-               // file methods\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static bool MoveFile (string path, string dest);\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static bool CopyFile (string path, string dest, bool overwrite);\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static bool DeleteFile (string path);\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static FileAttributes GetFileAttributes (string path);\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static bool SetFileAttributes (string path, FileAttributes attrs);\r
-\r
-               public static bool Exists (string path)\r
-               {\r
-                       FileAttributes attrs = GetFileAttributes (path);\r
-                       if (attrs == InvalidFileAttributes)\r
-                               return false;\r
-\r
-                       return true;\r
-               }\r
-\r
-               public static bool ExistsFile (string path)\r
-               {\r
-                       FileAttributes attrs = GetFileAttributes (path);\r
-                       if (attrs == InvalidFileAttributes)\r
-                               return false;\r
-\r
-                       if ((attrs & FileAttributes.Directory) != 0)\r
-                               return false;\r
-\r
-                       return true;\r
-               }\r
-\r
-               public static bool ExistsDirectory (string path)\r
-               {\r
-                       FileAttributes attrs = GetFileAttributes (path);\r
-                       if (attrs == InvalidFileAttributes)\r
-                               return false;\r
-\r
-                       if ((attrs & FileAttributes.Directory) == 0)\r
-                               return false;\r
-\r
-                       return true;\r
-               }\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static bool GetFileStat (string path, out MonoIOStat stat);\r
-\r
-               // handle methods\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static IntPtr Open (string filename, FileMode mode, FileAccess access, FileShare share);\r
-               \r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static bool Close (IntPtr handle);\r
-               \r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static int Read (IntPtr handle, byte [] dest, int dest_offset, int count);\r
-               \r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static int Write (IntPtr handle, byte [] src, int src_offset, int count);\r
-               \r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static long Seek (IntPtr handle, long offset, SeekOrigin origin);\r
-               \r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static bool Flush (IntPtr handle);\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static long GetLength (IntPtr handle);\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static bool SetLength (IntPtr handle, long length);\r
-\r
-               [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-               public extern static bool SetFileTime (IntPtr handle, long creation_time, long last_access_time, long last_write_time);\r
-\r
-               public static bool SetFileTime (string path, long creation_time, long last_access_time, long last_write_time)\r
-               {\r
-                       IntPtr handle;\r
-                       bool result;\r
-\r
-                       handle = Open (path, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);\r
-                       if (handle == IntPtr.Zero)\r
-                               return false;\r
-\r
-                       result = SetFileTime (handle, creation_time, last_access_time, last_write_time);\r
-                       Close (handle);\r
-                       \r
-                       return result;\r
-               }\r
-\r
-               // console handles\r
-\r
-               public extern static IntPtr ConsoleOutput {\r
-                       [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-                       get;\r
-               }\r
-\r
-               public extern static IntPtr ConsoleInput {\r
-                       [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-                       get;\r
-               }\r
-\r
-               public extern static IntPtr ConsoleError {\r
-                       [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-                       get;\r
-               }\r
-\r
-               // path characters\r
-\r
-               public extern static char VolumeSeparatorChar {\r
-                       [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-                       get;\r
-               }\r
-\r
-               public extern static char DirectorySeparatorChar {\r
-                       [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-                       get;\r
-               }\r
-\r
-               public extern static char AltDirectorySeparatorChar {\r
-                       [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-                       get;\r
-               }\r
-\r
-               public extern static char PathSeparator {\r
-                       [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-                       get;\r
-               }\r
-\r
-               public extern static char [] InvalidPathChars {\r
-                       [MethodImplAttribute (MethodImplOptions.InternalCall)]\r
-                       get;\r
-               }\r
-       }\r
-}\r
+// System.IO.MonoIO.cs: static interface to native filesystem.
+//
+// Author:
+//   Dan Lewis (dihlewis@yahoo.co.uk)
+//   Dick Porter (dick@ximian.com)
+//
+// (C) 2002
+//
+
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Threading;
+
+namespace System.IO
+{
+       unsafe internal sealed class MonoIO {
+               public static readonly FileAttributes
+                       InvalidFileAttributes = (FileAttributes)(-1);
+
+               public static readonly IntPtr
+                       InvalidHandle = (IntPtr)(-1L);
+
+               // error methods
+               public static Exception GetException (MonoIOError error)
+               {
+                       return GetException (String.Empty, error);
+               }
+
+               public static Exception GetException (string path,
+                                                     MonoIOError error)
+               {
+                       string message;
+
+                       switch (error) {
+                       // FIXME: add more exception mappings here
+                       case MonoIOError.ERROR_FILE_NOT_FOUND:
+                               message = String.Format ("Could not find file \"{0}\"", path);
+                               return new FileNotFoundException (message,
+                                                                 path);
+
+                       case MonoIOError.ERROR_TOO_MANY_OPEN_FILES:
+                               return new IOException ("Too many open files", unchecked((int)0x80070000) | (int)error);
+                               
+                       case MonoIOError.ERROR_PATH_NOT_FOUND:
+                               message = String.Format ("Could not find a part of the path \"{0}\"", path);
+                               return new DirectoryNotFoundException (message);
+
+                       case MonoIOError.ERROR_ACCESS_DENIED:
+                               message = String.Format ("Access to the path \"{0}\" is denied.", path);
+                               return new UnauthorizedAccessException (message);
+
+                       case MonoIOError.ERROR_INVALID_HANDLE:
+                               message = String.Format ("Invalid handle to path \"{0}\"", path);
+                               return new IOException (message, unchecked((int)0x80070000) | (int)error);
+                       case MonoIOError.ERROR_INVALID_DRIVE:
+                               message = String.Format ("Could not find the drive  '{0}'. The drive might not be ready or might not be mapped.", path);
+#if NET_2_0
+                               return new DriveNotFoundException (message);
+#else
+                               return new IOException (message, unchecked((int)0x80070000) | (int)error);
+#endif
+                       case MonoIOError.ERROR_FILE_EXISTS:
+                               message = String.Format ("Could not create file \"{0}\". File already exists.", path);
+                               return new IOException (message, unchecked((int)0x80070000) | (int)error);
+
+                       case MonoIOError.ERROR_FILENAME_EXCED_RANGE:
+                               message = String.Format ("Path is too long. Path: {0}", path); 
+                               return new PathTooLongException (message);
+
+                       case MonoIOError.ERROR_INVALID_PARAMETER:
+                               message = String.Format ("Invalid parameter");
+                               return new IOException (message, unchecked((int)0x80070000) | (int)error);
+
+                       case MonoIOError.ERROR_WRITE_FAULT:
+                               message = String.Format ("Write fault on path {0}", path);
+                               return new IOException (message, unchecked((int)0x80070000) | (int)error);
+
+                       case MonoIOError.ERROR_SHARING_VIOLATION:
+                               message = String.Format ("Sharing violation on path {0}", path);
+                               return new IOException (message, unchecked((int)0x80070000) | (int)error);
+                               
+                       case MonoIOError.ERROR_LOCK_VIOLATION:
+                               message = String.Format ("Lock violation on path {0}", path);
+                               return new IOException (message, unchecked((int)0x80070000) | (int)error);
+
+                       case MonoIOError.ERROR_DIR_NOT_EMPTY:
+                               message = String.Format ("Directory {0} is not empty", path);
+                               return new IOException (message, unchecked((int)0x80070000) | (int)error);
+                               
+                       default:
+                               message = String.Format ("Win32 IO returned {0}. Path: {1}", error, path);
+                               return new IOException (message, unchecked((int)0x80070000) | (int)error);
+                       }
+               }
+
+               // directory methods
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static bool CreateDirectory (string path, out MonoIOError error);
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static bool RemoveDirectory (string path, out MonoIOError error);
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static string [] GetFileSystemEntries (string path, string pattern, int attrs, int mask, out MonoIOError error);
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static string GetCurrentDirectory (out MonoIOError error);
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static bool SetCurrentDirectory (string path, out MonoIOError error);
+
+               // file methods
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static bool MoveFile (string path, string dest,
+                                                   out MonoIOError error);
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static bool CopyFile (string path, string dest,
+                                                   bool overwrite,
+                                                   out MonoIOError error);
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static bool DeleteFile (string path,
+                                                     out MonoIOError error);
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static FileAttributes GetFileAttributes (string path, out MonoIOError error);
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static bool SetFileAttributes (string path, FileAttributes attrs, out MonoIOError error);
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static MonoFileType GetFileType (IntPtr handle, out MonoIOError error);
+
+               public static bool Exists (string path, out MonoIOError error)
+               {
+                       FileAttributes attrs = GetFileAttributes (path,
+                                                                 out error);
+                       if (attrs == InvalidFileAttributes)
+                               return false;
+
+                       return true;
+               }
+
+               public static bool ExistsFile (string path,
+                                              out MonoIOError error)
+               {
+                       FileAttributes attrs = GetFileAttributes (path,
+                                                                 out error);
+                       if (attrs == InvalidFileAttributes)
+                               return false;
+
+                       if ((attrs & FileAttributes.Directory) != 0)
+                               return false;
+
+                       return true;
+               }
+
+               public static bool ExistsDirectory (string path,
+                                                   out MonoIOError error)
+               {
+                       FileAttributes attrs = GetFileAttributes (path,
+                                                                 out error);
+                                                                 
+                       // Actually, we are looking for a directory, not a file
+                       if (error == MonoIOError.ERROR_FILE_NOT_FOUND)
+                               error = MonoIOError.ERROR_PATH_NOT_FOUND;
+                               
+                       if (attrs == InvalidFileAttributes)
+                               return false;
+
+                       if ((attrs & FileAttributes.Directory) == 0)
+                               return false;
+
+                       return true;
+               }
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static bool GetFileStat (string path,
+                                                      out MonoIOStat stat,
+                                                      out MonoIOError error);
+
+               // handle methods
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static IntPtr Open (string filename,
+                                                 FileMode mode,
+                                                 FileAccess access,
+                                                 FileShare share,
+                                                 bool async,
+                                                 out MonoIOError error);
+               
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static bool Close (IntPtr handle,
+                                                out MonoIOError error);
+               
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static int Read (IntPtr handle, byte [] dest,
+                                              int dest_offset, int count,
+                                              out MonoIOError error);
+               
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static int Write (IntPtr handle, [In] byte [] src,
+                                               int src_offset, int count,
+                                               out MonoIOError error);
+               
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static long Seek (IntPtr handle, long offset,
+                                               SeekOrigin origin,
+                                               out MonoIOError error);
+               
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static bool Flush (IntPtr handle,
+                                                out MonoIOError error);
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static long GetLength (IntPtr handle,
+                                                    out MonoIOError error);
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static bool SetLength (IntPtr handle,
+                                                    long length,
+                                                    out MonoIOError error);
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static bool SetFileTime (IntPtr handle,
+                                                      long creation_time,
+                                                      long last_access_time,
+                                                      long last_write_time,
+                                                      out MonoIOError error);
+
+               public static bool SetFileTime (string path,
+                                               long creation_time,
+                                               long last_access_time,
+                                               long last_write_time,
+                                               out MonoIOError error)
+               {
+                       return SetFileTime (path,
+                               0,
+                               creation_time,
+                               last_access_time,
+                               last_write_time,
+                               DateTime.MinValue,
+                               out error);
+               }
+
+               public static bool SetCreationTime (string path,
+                                               DateTime dateTime,
+                                               out MonoIOError error)
+               {
+                       return SetFileTime (path, 1, -1, -1, -1, dateTime, out error);
+               }
+
+               public static bool SetLastAccessTime (string path,
+                                               DateTime dateTime,
+                                               out MonoIOError error)
+               {
+                       return SetFileTime (path, 2, -1, -1, -1, dateTime, out error);
+               }
+
+               public static bool SetLastWriteTime (string path,
+                                               DateTime dateTime,
+                                               out MonoIOError error)
+               {
+                       return SetFileTime (path, 3, -1, -1, -1, dateTime, out error);
+               }
+
+               public static bool SetFileTime (string path,
+                                               int type,
+                                               long creation_time,
+                                               long last_access_time,
+                                               long last_write_time,
+                                               DateTime dateTime,
+                                               out MonoIOError error)
+               {
+                       IntPtr handle;
+                       bool result;
+
+                       handle = Open (path, FileMode.Open,
+                                      FileAccess.ReadWrite,
+                                      FileShare.ReadWrite, false, out error);
+                       if (handle == MonoIO.InvalidHandle)
+                               return false;
+
+                       switch (type) {
+                       case 1:
+                               creation_time = dateTime.ToFileTime ();
+                               break;
+                       case 2:
+                               last_access_time = dateTime.ToFileTime ();
+                               break;
+                       case 3:
+                               last_write_time = dateTime.ToFileTime ();
+                               break;
+                       }
+
+                       result = SetFileTime (handle, creation_time,
+                                             last_access_time,
+                                             last_write_time, out error);
+
+                       MonoIOError ignore_error;
+                       Close (handle, out ignore_error);
+                       
+                       return result;
+               }
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static void Lock (IntPtr handle,
+                                               long position, long length,
+                                               out MonoIOError error);
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static void Unlock (IntPtr handle,
+                                                 long position, long length,
+                                                 out MonoIOError error);
+
+               // console handles
+
+               public extern static IntPtr ConsoleOutput {
+                       [MethodImplAttribute (MethodImplOptions.InternalCall)]
+                       get;
+               }
+
+               public extern static IntPtr ConsoleInput {
+                       [MethodImplAttribute (MethodImplOptions.InternalCall)]
+                       get;
+               }
+
+               public extern static IntPtr ConsoleError {
+                       [MethodImplAttribute (MethodImplOptions.InternalCall)]
+                       get;
+               }
+
+               // pipe handles
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static bool CreatePipe (out IntPtr read_handle, out IntPtr write_handle);
+
+               // path characters
+
+               public extern static char VolumeSeparatorChar {
+                       [MethodImplAttribute (MethodImplOptions.InternalCall)]
+                       get;
+               }
+
+               public extern static char DirectorySeparatorChar {
+                       [MethodImplAttribute (MethodImplOptions.InternalCall)]
+                       get;
+               }
+
+               public extern static char AltDirectorySeparatorChar {
+                       [MethodImplAttribute (MethodImplOptions.InternalCall)]
+                       get;
+               }
+
+               public extern static char PathSeparator {
+                       [MethodImplAttribute (MethodImplOptions.InternalCall)]
+                       get;
+               }
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               public extern static int GetTempPath(out string path);
+       }
+}
+