internal static IEnumerable<AlternateDataStreamInfo> EnumerateAlternateDataStreamsInternal(KernelTransaction transaction, string path, PathFormat pathFormat)
{
using (var buffer = new SafeGlobalMemoryBufferHandle(Marshal.SizeOf(typeof(NativeMethods.WIN32_FIND_STREAM_DATA))))
{
path = Path.GetExtendedLengthPathInternal(transaction, path, pathFormat, GetFullPathOptions.RemoveTrailingDirectorySeparator | GetFullPathOptions.CheckInvalidPathChars | GetFullPathOptions.CheckAdditional);
using (var handle = transaction == null
? NativeMethods.FindFirstStreamW(path, NativeMethods.StreamInfoLevels.FindStreamInfoStandard, buffer, 0)
: NativeMethods.FindFirstStreamTransactedW(path, NativeMethods.StreamInfoLevels.FindStreamInfoStandard, buffer, 0, transaction.SafeHandle))
{
if (handle.IsInvalid)
{
int errorCode = Marshal.GetLastWin32Error();
if (errorCode == Win32Errors.ERROR_HANDLE_EOF)
yield break;
NativeError.ThrowException(errorCode);
}
while (true)
{
NativeMethods.WIN32_FIND_STREAM_DATA data = buffer.PtrToStructure<NativeMethods.WIN32_FIND_STREAM_DATA>();
yield return new AlternateDataStreamInfo(path, data);
if (!NativeMethods.FindNextStreamW(handle, buffer))
{
int lastError = Marshal.GetLastWin32Error();
if (lastError == Win32Errors.ERROR_HANDLE_EOF)
break;
NativeError.ThrowException(lastError, path);
}
}
}
}
}
internal static DirectoryInfo GetParentInternal(KernelTransaction transaction, string path, PathFormat pathFormat)
{
string pathLp = Path.GetExtendedLengthPathInternal(transaction, path, pathFormat, GetFullPathOptions.CheckInvalidPathChars);
pathLp = Path.GetRegularPathInternal(pathLp, GetFullPathOptions.None);
string dirName = Path.GetDirectoryName(pathLp, false);
return Utils.IsNullOrWhiteSpace(dirName) ? null : new DirectoryInfo(transaction, dirName, PathFormat.RelativePath);
}
private DirectoryInfo(KernelTransaction transaction, string fullPath, bool junk1, bool junk2)
{
IsDirectory = true;
Transaction = transaction;
LongFullName = Path.GetLongPathInternal(fullPath, GetFullPathOptions.None);
OriginalPath = Path.GetFileName(fullPath, true);
FullPath = fullPath;
// GetDisplayName()
DisplayPath = OriginalPath.Length != 2 || (OriginalPath[1] != Path.VolumeSeparatorChar) ? OriginalPath : Path.CurrentDirectoryPrefix;
}
public static string[] GetDirectoriesTransacted(KernelTransaction transaction, string path, string searchPattern)
{
return(EnumerateFileSystemEntryInfosCore <string>(transaction, path, searchPattern, DirectoryEnumerationOptions.Folders, PathFormat.RelativePath).ToArray());
}
public static IEnumerable <string> EnumerateFilesTransacted(KernelTransaction transaction, string path, string searchPattern, SearchOption searchOption, PathFormat pathFormat)
{
var options = DirectoryEnumerationOptions.Files | ((searchOption == SearchOption.AllDirectories) ? DirectoryEnumerationOptions.Recursive : 0);
return(EnumerateFileSystemEntryInfosCore <string>(transaction, path, searchPattern, options, pathFormat));
}
public static string GetDirectoryNameWithoutRoot(KernelTransaction transaction, string path)
{
if (path == null)
return null;
DirectoryInfo di = Directory.GetParentInternal(transaction, path, PathFormat.RelativePath);
return di != null && di.Parent != null ? di.Name : null;
}
public static long CountFileSystemObjects(KernelTransaction transaction, string path, string searchPattern, DirectoryEnumerationOptions options, PathFormat pathFormat)
{
return EnumerateFileSystemEntryInfosInternal<string>(transaction, path, searchPattern, options, pathFormat).Count();
}
internal static IEnumerable<string> ReadAllLinesInternal(KernelTransaction transaction, string path, Encoding encoding, PathFormat pathFormat)
{
using (StreamReader sr = new StreamReader(OpenInternal(transaction, path, FileMode.Open, 0, FileAccess.Read, FileShare.Read, ExtendedFileAttributes.SequentialScan, pathFormat), encoding))
{
string line;
while ((line = sr.ReadLine()) != null)
yield return line;
}
}
public static CopyMoveResult Copy(KernelTransaction transaction, string sourceFileName, string destinationFileName, CopyOptions copyOptions, bool preserveDates, CopyMoveProgressRoutine progressHandler, object userProgressData, PathFormat pathFormat)
{
return CopyMoveInternal(false, transaction, sourceFileName, destinationFileName, preserveDates, copyOptions, null, progressHandler, userProgressData, pathFormat);
}
internal static CopyMoveResult CopyMoveInternal(bool isFolder, KernelTransaction transaction, string sourceFileName, string destinationFileName, bool preserveDates, CopyOptions? copyOptions, MoveOptions? moveOptions, CopyMoveProgressRoutine progressHandler, object userProgressData, PathFormat pathFormat)
{
#region Setup
if (pathFormat == PathFormat.RelativePath)
{
Path.CheckValidPath(sourceFileName, true, true);
Path.CheckValidPath(destinationFileName, true, true);
}
else
{
// MSDN:. NET 3.5+: NotSupportedException: Path contains a colon character (:) that is not part of a drive label ("C:\").
Path.CheckValidPath(sourceFileName, false, false);
Path.CheckValidPath(destinationFileName, false, false);
}
string sourceFileNameLp = Path.GetExtendedLengthPathInternal(transaction, sourceFileName, pathFormat, GetFullPathOptions.RemoveTrailingDirectorySeparator);
string destFileNameLp = Path.GetExtendedLengthPathInternal(transaction, destinationFileName, pathFormat, GetFullPathOptions.RemoveTrailingDirectorySeparator);
// MSDN: If this flag is set to TRUE during the copy/move operation, the operation is canceled.
// Otherwise, the copy/move operation will continue to completion.
bool cancel = false;
// Determine Copy or Move action.
bool doCopy = copyOptions != null;
bool doMove = !doCopy && moveOptions != null;
if ((!doCopy && !doMove) || (doCopy && doMove))
throw new NotSupportedException(Resources.UndeterminedCopyMoveAction);
bool overwrite = doCopy
? (((CopyOptions) copyOptions & CopyOptions.FailIfExists) != CopyOptions.FailIfExists)
: (((MoveOptions) moveOptions & MoveOptions.ReplaceExisting) == MoveOptions.ReplaceExisting);
bool raiseException = progressHandler == null;
// Setup callback function for progress notifications.
var routine = (progressHandler != null)
? (totalFileSize, totalBytesTransferred, streamSize, streamBytesTransferred, dwStreamNumber, dwCallbackReason, hSourceFile, hDestinationFile, lpData)
=>
progressHandler(totalFileSize, totalBytesTransferred, streamSize, streamBytesTransferred, dwStreamNumber, dwCallbackReason, userProgressData)
: (NativeMethods.NativeCopyMoveProgressRoutine) null;
#endregion //Setup
startCopyMove:
uint lastError = Win32Errors.ERROR_SUCCESS;
#region Win32 Copy/Move
if (!(transaction == null || !NativeMethods.IsAtLeastWindowsVista
? doMove
// MoveFileWithProgress() / MoveFileTransacted()
// In the ANSI version of this function, the name is limited to MAX_PATH characters.
// To extend this limit to 32,767 wide characters, call the Unicode version of the function and prepend "\\?\" to the path.
// 2013-04-15: MSDN confirms LongPath usage.
// CopyFileEx() / CopyFileTransacted()
// In the ANSI version of this function, the name is limited to MAX_PATH characters.
// To extend this limit to 32,767 wide characters, call the Unicode version of the function and prepend "\\?\" to the path.
// 2013-04-15: MSDN confirms LongPath usage.
? NativeMethods.MoveFileWithProgress(sourceFileNameLp, destFileNameLp, routine, IntPtr.Zero, (MoveOptions) moveOptions)
: NativeMethods.CopyFileEx(sourceFileNameLp, destFileNameLp, routine, IntPtr.Zero, out cancel, (CopyOptions) copyOptions)
: doMove
? NativeMethods.MoveFileTransacted(sourceFileNameLp, destFileNameLp, routine, IntPtr.Zero, (MoveOptions) moveOptions, transaction.SafeHandle)
: NativeMethods.CopyFileTransacted(sourceFileNameLp, destFileNameLp, routine, IntPtr.Zero, out cancel, (CopyOptions) copyOptions, transaction.SafeHandle)))
{
lastError = (uint) Marshal.GetLastWin32Error();
if (lastError == Win32Errors.ERROR_REQUEST_ABORTED)
{
// If lpProgressRoutine returns PROGRESS_CANCEL due to the user canceling the operation,
// CopyFileEx will return zero and GetLastError will return ERROR_REQUEST_ABORTED.
// In this case, the partially copied destination file is deleted.
//
// If lpProgressRoutine returns PROGRESS_STOP due to the user stopping the operation,
// CopyFileEx will return zero and GetLastError will return ERROR_REQUEST_ABORTED.
// In this case, the partially copied destination file is left intact.
cancel = true;
}
else if (raiseException)
{
#region Win32Errors
switch (lastError)
{
case Win32Errors.ERROR_FILE_NOT_FOUND:
// File.Copy()
// File.Move()
// MSDN: .NET 3.5+: FileNotFoundException: sourceFileName was not found.
NativeError.ThrowException(lastError, sourceFileNameLp);
break;
case Win32Errors.ERROR_PATH_NOT_FOUND:
// File.Copy()
// File.Move()
// Directory.Move()
// MSDN: .NET 3.5+: DirectoryNotFoundException: The path specified in sourceFileName or destinationFileName is invalid (for example, it is on an unmapped drive).
NativeError.ThrowException(lastError, sourceFileNameLp);
break;
case Win32Errors.ERROR_FILE_EXISTS:
// File.Copy()
// Directory.Copy()
NativeError.ThrowException(lastError, destFileNameLp);
break;
default:
// For a number of error codes (sharing violation, path not found, etc)
// we don't know if the problem was with the source or dest file.
// Check if destination directory already exists.
// Directory.Move()
// MSDN: .NET 3.5+: IOException: destDirName already exists.
if (ExistsInternal(true, transaction, destFileNameLp, PathFormat.LongFullPath))
NativeError.ThrowException(Win32Errors.ERROR_ALREADY_EXISTS, destFileNameLp);
if (doMove)
{
// Ensure that the source file or directory exists.
// Directory.Move()
// MSDN: .NET 3.5+: DirectoryNotFoundException: The path specified by sourceDirName is invalid (for example, it is on an unmapped drive).
if (!ExistsInternal(isFolder, transaction, sourceFileNameLp, PathFormat.LongFullPath))
NativeError.ThrowException(isFolder ? Win32Errors.ERROR_PATH_NOT_FOUND : Win32Errors.ERROR_FILE_NOT_FOUND, sourceFileNameLp);
}
// Try reading the source file.
string fileNameLp = destFileNameLp;
if (!isFolder)
{
using (SafeFileHandle safeHandle = CreateFileInternal(transaction, sourceFileNameLp, ExtendedFileAttributes.None, null, FileMode.Open, 0, FileShare.Read, false, PathFormat.LongFullPath))
if (safeHandle.IsInvalid)
fileNameLp = sourceFileNameLp;
}
if (lastError == Win32Errors.ERROR_ACCESS_DENIED)
{
// File.Copy()
// File.Move()
// MSDN: .NET 3.5+: IOException: An I/O error has occurred.
// Directory exists with the same name as the file.
if (!isFolder && ExistsInternal(true, transaction, destFileNameLp, PathFormat.LongFullPath))
NativeError.ThrowException(lastError, string.Format(CultureInfo.CurrentCulture, Resources.DirectoryExistsWithSameNameSpecifiedByPath, destFileNameLp));
else
{
var data = new NativeMethods.Win32FileAttributeData();
FillAttributeInfoInternal(transaction, destFileNameLp, ref data, false, true);
if (data.FileAttributes != (FileAttributes) (-1))
{
if ((data.FileAttributes & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
{
// MSDN: .NET 3.5+: IOException: The directory specified by path is read-only.
if (overwrite)
{
// Reset file system object attributes.
SetAttributesInternal(isFolder, transaction, destFileNameLp, FileAttributes.Normal, true, PathFormat.LongFullPath);
goto startCopyMove;
}
// MSDN: .NET 3.5+: UnauthorizedAccessException: destinationFileName is read-only.
// MSDN: Win32 CopyFileXxx: This function fails with ERROR_ACCESS_DENIED if the destination file already exists
// and has the FILE_ATTRIBUTE_HIDDEN or FILE_ATTRIBUTE_READONLY attribute set.
throw new FileReadOnlyException(destFileNameLp);
}
// MSDN: Win32 CopyFileXxx: This function fails with ERROR_ACCESS_DENIED if the destination file already exists
// and has the FILE_ATTRIBUTE_HIDDEN or FILE_ATTRIBUTE_READONLY attribute set.
if ((data.FileAttributes & FileAttributes.Hidden) == FileAttributes.Hidden)
NativeError.ThrowException(lastError, string.Format(CultureInfo.CurrentCulture, Resources.FileHidden, destFileNameLp));
}
// Observation: .NET 3.5+: For files: UnauthorizedAccessException: The caller does not have the required permission.
// Observation: .NET 3.5+: For directories: IOException: The caller does not have the required permission.
NativeError.ThrowException(lastError, destFileNameLp);
}
}
// MSDN: .NET 3.5+: An I/O error has occurred.
// File.Copy(): IOException: destinationFileName exists and overwrite is false.
// File.Move(): The destination file already exists or sourceFileName was not found.
NativeError.ThrowException(lastError, fileNameLp);
break;
}
#endregion // Win32Errors
}
}
#endregion // Win32 Copy/Move
#region Transfer Timestamps
// Apply original Timestamps if requested.
// MoveFileWithProgress() / MoveFileTransacted() automatically preserve Timestamps.
// File.Copy()
if (preserveDates && doCopy && lastError == Win32Errors.ERROR_SUCCESS)
{
// Currently preserveDates is only used with files.
var data = new NativeMethods.Win32FileAttributeData();
int dataInitialised = FillAttributeInfoInternal(transaction, sourceFileNameLp, ref data, false, true);
if (dataInitialised == Win32Errors.ERROR_SUCCESS && data.FileAttributes != (FileAttributes) (-1))
SetFsoDateTimeInternal(false, transaction, destFileNameLp, DateTime.FromFileTimeUtc(data.CreationTime),
DateTime.FromFileTimeUtc(data.LastAccessTime), DateTime.FromFileTimeUtc(data.LastWriteTime), PathFormat.LongFullPath);
}
#endregion // Transfer Timestamps
// The copy/move operation succeeded, failed or was canceled.
return new CopyMoveResult(sourceFileNameLp, destFileNameLp, isFolder, doMove, cancel, (int) lastError);
}
public static void DeleteEmptySubdirectoriesTransacted(KernelTransaction transaction, string path, bool recursive, bool ignoreReadOnly, PathFormat pathFormat)
{
DeleteEmptySubdirectoriesCore(null, transaction, path, recursive, ignoreReadOnly, true, pathFormat);
}
public static void SetLastWriteTimeTransacted(KernelTransaction transaction, string path, DateTime lastWriteTime)
{
File.SetFsoDateTimeCore(transaction, path, null, null, lastWriteTime.ToUniversalTime(), false, PathFormat.RelativePath);
}
public static void SetLastWriteTimeUtcTransacted(KernelTransaction transaction, string path, DateTime lastWriteTimeUtc, PathFormat pathFormat)
{
File.SetFsoDateTimeCore(transaction, path, null, null, lastWriteTimeUtc, false, pathFormat);
}
public static void DeleteTransacted(KernelTransaction transaction, string path, bool ignoreReadOnly, PathFormat pathFormat)
{
DeleteFileCore(transaction, path, ignoreReadOnly, pathFormat);
}
public static void DeleteTransacted(KernelTransaction transaction, string path)
{
DeleteFileCore(transaction, path, false, PathFormat.RelativePath);
}
internal static void DeleteFileCore(KernelTransaction transaction, string path, bool ignoreReadOnly, PathFormat pathFormat)
{
#region Setup
if (pathFormat == PathFormat.RelativePath)
{
Path.CheckSupportedPathFormat(path, true, true);
}
string pathLp = Path.GetExtendedLengthPathCore(transaction, path, pathFormat, GetFullPathOptions.TrimEnd | GetFullPathOptions.RemoveTrailingDirectorySeparator);
// If the path points to a symbolic link, the symbolic link is deleted, not the target.
#endregion // Setup
startDeleteFile:
if (!(transaction == null || !NativeMethods.IsAtLeastWindowsVista
// DeleteFile() / DeleteFileTransacted()
// In the ANSI version of this function, the name is limited to MAX_PATH characters.
// To extend this limit to 32,767 wide characters, call the Unicode version of the function and prepend "\\?\" to the path.
// 2013-01-13: MSDN confirms LongPath usage.
? NativeMethods.DeleteFile(pathLp)
: NativeMethods.DeleteFileTransacted(pathLp, transaction.SafeHandle)))
{
int lastError = Marshal.GetLastWin32Error();
switch ((uint)lastError)
{
case Win32Errors.ERROR_FILE_NOT_FOUND:
// MSDN: .NET 3.5+: If the file to be deleted does not exist, no exception is thrown.
return;
case Win32Errors.ERROR_PATH_NOT_FOUND:
// MSDN: .NET 3.5+: DirectoryNotFoundException: The specified path is invalid (for example, it is on an unmapped drive).
NativeError.ThrowException(lastError, pathLp);
return;
case Win32Errors.ERROR_SHARING_VIOLATION:
// MSDN: .NET 3.5+: IOException: The specified file is in use or there is an open handle on the file.
NativeError.ThrowException(lastError, pathLp);
break;
case Win32Errors.ERROR_ACCESS_DENIED:
var data = new NativeMethods.WIN32_FILE_ATTRIBUTE_DATA();
int dataInitialised = FillAttributeInfoCore(transaction, pathLp, ref data, false, true);
if (data.dwFileAttributes != (FileAttributes)(-1))
{
if ((data.dwFileAttributes & FileAttributes.Directory) == FileAttributes.Directory)
{
// MSDN: .NET 3.5+: UnauthorizedAccessException: Path is a directory.
throw new UnauthorizedAccessException(string.Format(CultureInfo.CurrentCulture, "({0}) {1}",
Win32Errors.ERROR_INVALID_PARAMETER, string.Format(CultureInfo.CurrentCulture, Resources.Target_File_Is_A_Directory, pathLp)));
}
if ((data.dwFileAttributes & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
{
if (ignoreReadOnly)
{
// Reset file attributes.
SetAttributesCore(false, transaction, pathLp, FileAttributes.Normal, true, PathFormat.LongFullPath);
goto startDeleteFile;
}
// MSDN: .NET 3.5+: UnauthorizedAccessException: Path specified a read-only file.
throw new FileReadOnlyException(pathLp);
}
}
if (dataInitialised == Win32Errors.ERROR_SUCCESS)
{
// MSDN: .NET 3.5+: UnauthorizedAccessException: The caller does not have the required permission.
NativeError.ThrowException(lastError, pathLp);
}
break;
}
// MSDN: .NET 3.5+: IOException:
// The specified file is in use.
// There is an open handle on the file, and the operating system is Windows XP or earlier.
NativeError.ThrowException(lastError, pathLp);
}
}
public static string[] GetDirectoriesTransacted(KernelTransaction transaction, string path, string searchPattern, SearchOption searchOption)
{
var options = DirectoryEnumerationOptions.Folders | ((searchOption == SearchOption.AllDirectories) ? DirectoryEnumerationOptions.Recursive : 0);
return(EnumerateFileSystemEntryInfosCore <string>(transaction, path, searchPattern, options, PathFormat.RelativePath).ToArray());
}
internal static DateTime GetChangeTimeInternal(bool isFolder, KernelTransaction transaction, SafeFileHandle safeHandle, string path, bool getUtc, PathFormat pathFormat)
{
if (!NativeMethods.IsAtLeastWindowsVista)
throw new PlatformNotSupportedException(Resources.RequiresWindowsVistaOrHigher);
bool callerHandle = safeHandle != null;
if (!callerHandle)
{
if (pathFormat != PathFormat.LongFullPath && Utils.IsNullOrWhiteSpace(path))
throw new ArgumentNullException("path");
string pathLp = Path.GetExtendedLengthPathInternal(transaction, path, pathFormat, GetFullPathOptions.RemoveTrailingDirectorySeparator | GetFullPathOptions.CheckInvalidPathChars);
safeHandle = CreateFileInternal(transaction, pathLp, isFolder ? ExtendedFileAttributes.BackupSemantics : ExtendedFileAttributes.Normal, null, FileMode.Open, FileSystemRights.ReadData, FileShare.ReadWrite, true, PathFormat.LongFullPath);
}
try
{
NativeMethods.IsValidHandle(safeHandle);
using (var safeBuffer = new SafeGlobalMemoryBufferHandle(IntPtr.Size + Marshal.SizeOf(typeof(NativeMethods.FileBasicInfo))))
{
NativeMethods.FileBasicInfo fbi;
if (!NativeMethods.GetFileInformationByHandleEx_FileBasicInfo(safeHandle, NativeMethods.FileInfoByHandleClass.FileBasicInfo, out fbi, (uint)safeBuffer.Capacity))
NativeError.ThrowException(Marshal.GetLastWin32Error());
safeBuffer.StructureToPtr(fbi, true);
NativeMethods.FileTime changeTime = safeBuffer.PtrToStructure<NativeMethods.FileBasicInfo>().ChangeTime;
return getUtc
? DateTime.FromFileTimeUtc(changeTime)
: DateTime.FromFileTime(changeTime);
}
}
finally
{
// Handle is ours, dispose.
if (!callerHandle && safeHandle != null)
safeHandle.Close();
}
}
public static LinkTargetInfo GetLinkTargetInfo(KernelTransaction transaction, string path)
{
return GetLinkTargetInfoInternal(transaction, path, PathFormat.RelativePath);
}
internal static void DeleteEmptySubdirectoriesCore(FileSystemEntryInfo fileSystemEntryInfo, KernelTransaction transaction, string path, bool recursive, bool ignoreReadOnly, bool initialize, PathFormat pathFormat)
{
#region Setup
if (pathFormat == PathFormat.RelativePath)
{
Path.CheckSupportedPathFormat(path, true, true);
}
if (fileSystemEntryInfo == null)
{
if (!File.ExistsCore(true, transaction, path, pathFormat))
{
NativeError.ThrowException(Win32Errors.ERROR_PATH_NOT_FOUND, path);
}
fileSystemEntryInfo = File.GetFileSystemEntryInfoCore(true, transaction, Path.GetExtendedLengthPathCore(transaction, path, pathFormat, GetFullPathOptions.TrimEnd | GetFullPathOptions.RemoveTrailingDirectorySeparator | GetFullPathOptions.FullCheck), false, pathFormat);
}
if (fileSystemEntryInfo == null)
{
throw new ArgumentNullException("path");
}
string pathLp = fileSystemEntryInfo.LongFullPath;
#endregion // Setup
// Ensure path is a directory.
if (!fileSystemEntryInfo.IsDirectory)
{
throw new IOException(string.Format(CultureInfo.CurrentCulture, Resources.Target_Directory_Is_A_File, pathLp));
}
var dirEnumOptions = DirectoryEnumerationOptions.Folders;
if (recursive)
{
dirEnumOptions |= DirectoryEnumerationOptions.Recursive;
}
foreach (var fsei in EnumerateFileSystemEntryInfosCore <FileSystemEntryInfo>(transaction, pathLp, Path.WildcardStarMatchAll, dirEnumOptions, PathFormat.LongFullPath))
{
DeleteEmptySubdirectoriesCore(fsei, transaction, null, recursive, ignoreReadOnly, false, PathFormat.LongFullPath);
}
if (!EnumerateFileSystemEntryInfosCore <string>(transaction, pathLp, Path.WildcardStarMatchAll, DirectoryEnumerationOptions.FilesAndFolders, PathFormat.LongFullPath).Any())
{
// Prevent deleting path itself.
if (!initialize)
{
DeleteDirectoryCore(fileSystemEntryInfo, transaction, null, false, ignoreReadOnly, true, true, PathFormat.LongFullPath);
}
}
}
public static void Copy(KernelTransaction transaction, string sourceFileName, string destinationFileName, CopyOptions copyOptions)
{
CopyMoveInternal(false, transaction, sourceFileName, destinationFileName, false, copyOptions, null, null, null, PathFormat.RelativePath);
}
public static void DeleteEmptySubdirectoriesTransacted(KernelTransaction transaction, string path, bool recursive)
{
DeleteEmptySubdirectoriesCore(null, transaction, path, recursive, false, true, PathFormat.RelativePath);
}
public static void Move(KernelTransaction transaction, string sourceFileName, string destinationFileName, MoveOptions moveOptions, PathFormat pathFormat)
{
CopyMoveInternal(false, transaction, sourceFileName, destinationFileName, false, null, moveOptions, null, null, pathFormat);
}
public static DateTime GetChangeTimeUtcTransacted(KernelTransaction transaction, string path, PathFormat pathFormat)
{
return(File.GetChangeTimeCore(transaction, null, path, true, pathFormat));
}
public static string[] ReadAllLines(KernelTransaction transaction, string path, Encoding encoding)
{
return ReadAllLinesInternal(transaction, path, encoding, PathFormat.RelativePath).ToArray();
}
public static DateTime GetChangeTimeTransacted(KernelTransaction transaction, string path)
{
return(File.GetChangeTimeCore(transaction, null, path, false, PathFormat.RelativePath));
}
public static string ReadAllText(KernelTransaction transaction, string path)
{
return ReadAllTextInternal(transaction, path, NativeMethods.DefaultFileEncoding, PathFormat.RelativePath);
}
public static FileSystemEntryInfo GetFileSystemEntryInfoTransacted(KernelTransaction transaction, string path)
{
return(GetFileSystemEntryInfoCore(false, transaction, path, false, PathFormat.RelativePath));
}
public static void Delete(KernelTransaction transaction, string path)
{
DeleteFileInternal(transaction, path, false, PathFormat.RelativePath);
}
internal static long GetSizeInternal(KernelTransaction transaction, SafeFileHandle safeHandle, string path, PathFormat pathFormat)
{
bool callerHandle = safeHandle != null;
if (!callerHandle)
{
string pathLp = Path.GetExtendedLengthPathInternal(transaction, path, pathFormat, GetFullPathOptions.RemoveTrailingDirectorySeparator | GetFullPathOptions.FullCheck);
safeHandle = CreateFileInternal(transaction, pathLp, ExtendedFileAttributes.None, null, FileMode.Open, FileSystemRights.ReadData, FileShare.Read, true, PathFormat.LongFullPath);
}
long fileSize;
try
{
NativeMethods.GetFileSizeEx(safeHandle, out fileSize);
}
finally
{
// Handle is ours, dispose.
if (!callerHandle && safeHandle != null)
safeHandle.Close();
}
return fileSize;
}
internal static FileSystemEntryInfo GetFileSystemEntryInfoCore(bool isFolder, KernelTransaction transaction, string path, bool continueOnException, PathFormat pathFormat)
{
// Enable BasicSearch and LargeCache by default.
var options = DirectoryEnumerationOptions.BasicSearch | DirectoryEnumerationOptions.LargeCache | (continueOnException ? DirectoryEnumerationOptions.ContinueOnException : 0);
return((new FindFileSystemEntryInfo(isFolder, transaction, path, Path.WildcardStarMatchAll, options, typeof(FileSystemEntryInfo), pathFormat)).Get <FileSystemEntryInfo>());
}
public static string[] GetDirectoriesTransacted(KernelTransaction transaction, string path)
{
return(EnumerateFileSystemEntryInfosCore <string>(transaction, path, Path.WildcardStarMatchAll, DirectoryEnumerationOptions.Folders, PathFormat.RelativePath).ToArray());
}
public static long GetSize(KernelTransaction transaction, string path)
{
return GetSizeInternal(transaction, null, path, PathFormat.RelativePath);
}
public static DirectoryInfo GetParentTransacted(KernelTransaction transaction, string path, PathFormat pathFormat)
{
return(GetParentCore(transaction, path, pathFormat));
}
public static DateTime GetChangeTimeUtc(KernelTransaction transaction, string path, PathFormat pathFormat)
{
return GetChangeTimeInternal(false, transaction, null, path, true, pathFormat);
}
public static bool IsLockedTransacted(KernelTransaction transaction, string path, PathFormat pathFormat)
{
return(IsLockedCore(transaction, path, pathFormat));
}
public static DateTime GetChangeTime(KernelTransaction transaction, string path)
{
return GetChangeTimeInternal(false, transaction, null, path, false, PathFormat.RelativePath);
}
public static void DecompressTransacted(KernelTransaction transaction, string path, PathFormat pathFormat)
{
Device.ToggleCompressionCore(transaction, path, false, pathFormat);
}
internal static LinkTargetInfo GetLinkTargetInfoInternal(KernelTransaction transaction, string path, PathFormat pathFormat)
{
using (SafeFileHandle safeHandle = CreateFileInternal(transaction, path, ExtendedFileAttributes.OpenReparsePoint | ExtendedFileAttributes.BackupSemantics, null, FileMode.Open, 0, FileShare.ReadWrite, true, pathFormat))
return Device.GetLinkTargetInfoInternal(safeHandle);
}
public BackupFileStream(KernelTransaction transaction, string path, FileMode mode)
: this(transaction, path, mode, FileSystemRights.Read | FileSystemRights.Write)
{
}
public static void Copy(KernelTransaction transaction, string sourceFileName, string destinationFileName, bool overwrite, PathFormat pathFormat)
{
CopyMoveInternal(false, transaction, sourceFileName, destinationFileName, false, overwrite ? CopyOptions.None : CopyOptions.FailIfExists, null, null, null, pathFormat);
}
public BackupFileStream(KernelTransaction transaction, string path, FileMode mode, FileSystemRights access, FileShare share, FileOptions options, FileSecurity security)
: this(File.CreateInternal(transaction, path, mode, access, share, options, security), access)
{
}
public static void Copy(KernelTransaction transaction, string sourceFileName, string destinationFileName, CopyOptions copyOptions, bool preserveDates, PathFormat pathFormat)
{
CopyMoveInternal(false, transaction, sourceFileName, destinationFileName, preserveDates, copyOptions, null, null, null, pathFormat);
}
public BackupFileStream(KernelTransaction transaction, string path, FileMode mode, FileSystemRights access, FileShare share)
: this(transaction, path, mode, access, share, FileOptions.None)
{
}
public static void Move(KernelTransaction transaction, string sourceFileName, string destinationFileName)
{
CopyMoveInternal(false, transaction, sourceFileName, destinationFileName, false, null, MoveOptions.CopyAllowed, null, null, PathFormat.RelativePath);
}
public static void SetCreationTimeUtcTransacted(KernelTransaction transaction, string path, DateTime creationTimeUtc, PathFormat pathFormat)
{
File.SetFsoDateTimeCore(transaction, path, creationTimeUtc, null, null, false, pathFormat);
}
public static CopyMoveResult Move(KernelTransaction transaction, string sourceFileName, string destinationFileName, MoveOptions moveOptions, CopyMoveProgressRoutine progressHandler, object userProgressData)
{
return CopyMoveInternal(false, transaction, sourceFileName, destinationFileName, false, null, moveOptions, progressHandler, userProgressData, PathFormat.RelativePath);
}
public static void SetCreationTimeUtcTransacted(KernelTransaction transaction, string path, DateTime creationTimeUtc, bool modifyReparsePoint, PathFormat pathFormat)
{
File.SetFsoDateTimeCore(transaction, path, creationTimeUtc, null, null, modifyReparsePoint, pathFormat);
}
public static string[] ReadAllLines(KernelTransaction transaction, string path)
{
return ReadAllLinesInternal(transaction, path, NativeMethods.DefaultFileEncoding, PathFormat.RelativePath).ToArray();
}
/// <summary>[AlphaFS] Checks the specified <paramref name="path"/> for local or network drives, such as: "C:" and "\\server\c$".</summary>
public static bool ExistsDrive(KernelTransaction transaction, string path, bool throwIfDriveNotExists)
{
return(ExistsDriveOrFolderOrFile(transaction, path, false, (int)Win32Errors.NO_ERROR, throwIfDriveNotExists, false));
}
public static long CountFileSystemObjects(KernelTransaction transaction, string path, DirectoryEnumerationOptions options, PathFormat pathFormat)
{
return EnumerateFileSystemEntryInfosInternal<string>(transaction, path, Path.WildcardStarMatchAll, options, pathFormat).Count();
}
public static void SetTimestampsTransacted(KernelTransaction transaction, string path, DateTime creationTime, DateTime lastAccessTime, DateTime lastWriteTime, PathFormat pathFormat)
{
File.SetFsoDateTimeCore(transaction, path, creationTime.ToUniversalTime(), lastAccessTime.ToUniversalTime(), lastWriteTime.ToUniversalTime(), false, pathFormat);
}
internal static string ReadAllTextInternal(KernelTransaction transaction, string path, Encoding encoding, PathFormat pathFormat)
{
using (StreamReader sr = new StreamReader(OpenInternal(transaction, path, FileMode.Open, 0, FileAccess.Read, FileShare.Read, ExtendedFileAttributes.SequentialScan, pathFormat), encoding))
return sr.ReadToEnd();
}
public static void SetTimestampsUtcTransacted(KernelTransaction transaction, string path, DateTime creationTimeUtc, DateTime lastAccessTimeUtc, DateTime lastWriteTimeUtc, PathFormat pathFormat)
{
File.SetFsoDateTimeCore(transaction, path, creationTimeUtc, lastAccessTimeUtc, lastWriteTimeUtc, false, pathFormat);
}
public static string ReadAllText(KernelTransaction transaction, string path, Encoding encoding)
{
return ReadAllTextInternal(transaction, path, encoding, PathFormat.RelativePath);
}
public static void SetTimestampsUtcTransacted(KernelTransaction transaction, string path, DateTime creationTimeUtc, DateTime lastAccessTimeUtc, DateTime lastWriteTimeUtc, bool modifyReparsePoint, PathFormat pathFormat)
{
File.SetFsoDateTimeCore(transaction, path, creationTimeUtc, lastAccessTimeUtc, lastWriteTimeUtc, modifyReparsePoint, pathFormat);
}
internal static void DeleteFileInternal(KernelTransaction transaction, string path, bool ignoreReadOnly, PathFormat pathFormat)
{
#region Setup
if (pathFormat == PathFormat.RelativePath)
Path.CheckValidPath(path, true, true);
string pathLp = Path.GetExtendedLengthPathInternal(transaction, path, pathFormat, GetFullPathOptions.TrimEnd | GetFullPathOptions.RemoveTrailingDirectorySeparator);
// If the path points to a symbolic link, the symbolic link is deleted, not the target.
#endregion // Setup
startDeleteFile:
if (!(transaction == null || !NativeMethods.IsAtLeastWindowsVista
// DeleteFile() / DeleteFileTransacted()
// In the ANSI version of this function, the name is limited to MAX_PATH characters.
// To extend this limit to 32,767 wide characters, call the Unicode version of the function and prepend "\\?\" to the path.
// 2013-01-13: MSDN confirms LongPath usage.
? NativeMethods.DeleteFile(pathLp)
: NativeMethods.DeleteFileTransacted(pathLp, transaction.SafeHandle)))
{
int lastError = Marshal.GetLastWin32Error();
switch ((uint)lastError)
{
case Win32Errors.ERROR_FILE_NOT_FOUND:
// MSDN: .NET 3.5+: If the file to be deleted does not exist, no exception is thrown.
return;
case Win32Errors.ERROR_PATH_NOT_FOUND:
// MSDN: .NET 3.5+: DirectoryNotFoundException: The specified path is invalid (for example, it is on an unmapped drive).
NativeError.ThrowException(lastError, pathLp);
return;
case Win32Errors.ERROR_SHARING_VIOLATION:
// MSDN: .NET 3.5+: IOException: The specified file is in use or there is an open handle on the file.
NativeError.ThrowException(lastError, pathLp);
break;
case Win32Errors.ERROR_ACCESS_DENIED:
var data = new NativeMethods.Win32FileAttributeData();
int dataInitialised = FillAttributeInfoInternal(transaction, pathLp, ref data, false, true);
if (data.FileAttributes != (FileAttributes)(-1))
{
if ((data.FileAttributes & FileAttributes.Directory) == FileAttributes.Directory)
// MSDN: .NET 3.5+: UnauthorizedAccessException: Path is a directory.
throw new UnauthorizedAccessException(string.Format(CultureInfo.CurrentCulture, "({0}) {1}",
Win32Errors.ERROR_INVALID_PARAMETER, string.Format(CultureInfo.CurrentCulture, Resources.DirectoryExistsWithSameNameSpecifiedByPath, pathLp)));
if ((data.FileAttributes & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
{
if (ignoreReadOnly)
{
// Reset file attributes.
SetAttributesInternal(false, transaction, pathLp, FileAttributes.Normal, true, PathFormat.LongFullPath);
goto startDeleteFile;
}
// MSDN: .NET 3.5+: UnauthorizedAccessException: Path specified a read-only file.
throw new FileReadOnlyException(pathLp);
}
}
if (dataInitialised == Win32Errors.ERROR_SUCCESS)
// MSDN: .NET 3.5+: UnauthorizedAccessException: The caller does not have the required permission.
NativeError.ThrowException(lastError, pathLp);
break;
}
// MSDN: .NET 3.5+: IOException:
// The specified file is in use.
// There is an open handle on the file, and the operating system is Windows XP or earlier.
NativeError.ThrowException(lastError, pathLp);
}
}
public static void SetCreationTimeTransacted(KernelTransaction transaction, string path, DateTime creationTime, PathFormat pathFormat)
{
File.SetFsoDateTimeCore(true, transaction, path, creationTime.ToUniversalTime(), null, null, false, pathFormat);
}
public static void Delete(KernelTransaction transaction, string path, bool ignoreReadOnly, PathFormat pathFormat)
{
DeleteFileInternal(transaction, path, ignoreReadOnly, pathFormat);
}
public static void SetCreationTimeTransacted(KernelTransaction transaction, string path, DateTime creationTime, bool modifyReparsePoint, PathFormat pathFormat)
{
File.SetFsoDateTimeCore(true, transaction, path, creationTime.ToUniversalTime(), null, null, modifyReparsePoint, pathFormat);
}