internal static void CompressDecompressCore(KernelTransaction transaction, string path, string searchPattern, DirectoryEnumerationOptions?options, DirectoryEnumerationFilters filters, bool compress, PathFormat pathFormat)
{
var pathLp = Path.GetExtendedLengthPathCore(transaction, path, pathFormat, GetFullPathOptions.RemoveTrailingDirectorySeparator | GetFullPathOptions.FullCheck);
if (null == options)
{
options = DirectoryEnumerationOptions.None;
}
// Traverse the source folder, processing files and folders.
foreach (var fsei in EnumerateFileSystemEntryInfosCore <string>(null, transaction, pathLp, searchPattern, null, options | DirectoryEnumerationOptions.AsLongPath, filters, PathFormat.LongFullPath))
{
Device.ToggleCompressionCore(transaction, fsei, compress, PathFormat.LongFullPath);
}
// Compress the root directory, the given path.
Device.ToggleCompressionCore(transaction, pathLp, compress, PathFormat.LongFullPath);
}
public static void CompressTransacted(KernelTransaction transaction, string path, DirectoryEnumerationOptions options, DirectoryEnumerationFilters filters, PathFormat pathFormat)
{
CompressDecompressCore(transaction, path, Path.WildcardStarMatchAll, options, filters, true, pathFormat);
}
public static void CompressTransacted(KernelTransaction transaction, string path, DirectoryEnumerationFilters filters)
{
CompressDecompressCore(transaction, path, Path.WildcardStarMatchAll, null, filters, true, PathFormat.RelativePath);
}
public static void Compress(string path, DirectoryEnumerationOptions options, DirectoryEnumerationFilters filters, PathFormat pathFormat)
{
CompressDecompressCore(null, path, Path.WildcardStarMatchAll, options, filters, true, pathFormat);
}
public static void Compress(string path, DirectoryEnumerationFilters filters)
{
CompressDecompressCore(null, path, Path.WildcardStarMatchAll, null, filters, true, PathFormat.RelativePath);
}
public FindFileSystemEntryInfo(KernelTransaction transaction, bool isFolder, string path, string searchPattern, DirectoryEnumerationOptions?options, DirectoryEnumerationFilters customFilters, PathFormat pathFormat, Type typeOfT)
{
if (null == options)
{
throw new ArgumentNullException("options");
}
Transaction = transaction;
OriginalInputPath = path;
InputPath = Path.GetExtendedLengthPathCore(transaction, path, pathFormat, GetFullPathOptions.RemoveTrailingDirectorySeparator | GetFullPathOptions.FullCheck);
IsRelativePath = !Path.IsPathRooted(OriginalInputPath, false);
SearchPattern = searchPattern.TrimEnd(Path.TrimEndChars); // .NET behaviour.
FileSystemObjectType = null;
ContinueOnException = (options & DirectoryEnumerationOptions.ContinueOnException) != 0;
AsLongPath = (options & DirectoryEnumerationOptions.AsLongPath) != 0;
AsString = typeOfT == typeof(string);
AsFileSystemInfo = !AsString && (typeOfT == typeof(FileSystemInfo) || typeOfT.BaseType == typeof(FileSystemInfo));
LargeCache = (options & DirectoryEnumerationOptions.LargeCache) != 0 ? NativeMethods.UseLargeCache : NativeMethods.FIND_FIRST_EX_FLAGS.NONE;
// Only FileSystemEntryInfo makes use of (8.3) AlternateFileName.
FindExInfoLevel = AsString || AsFileSystemInfo || (options & DirectoryEnumerationOptions.BasicSearch) != 0 ? NativeMethods.FindexInfoLevel : NativeMethods.FINDEX_INFO_LEVELS.Standard;
if (null != customFilters)
{
InclusionFilter = customFilters.InclusionFilter;
RecursionFilter = customFilters.RecursionFilter;
ErrorHandler = customFilters.ErrorFilter;
#if !NET35
CancellationToken = customFilters.CancellationToken;
#endif
}
#if !NET35
if (null == CancellationToken)
{
CancellationToken = new CancellationToken();
}
#endif
if (isFolder)
{
IsDirectory = true;
Recursive = (options & DirectoryEnumerationOptions.Recursive) != 0 || null != RecursionFilter;
SkipReparsePoints = (options & DirectoryEnumerationOptions.SkipReparsePoints) != 0;
// Need folders or files to enumerate.
if ((options & DirectoryEnumerationOptions.FilesAndFolders) == 0)
{
options |= DirectoryEnumerationOptions.FilesAndFolders;
}
}
else
{
options &= ~DirectoryEnumerationOptions.Folders; // Remove enumeration of folders.
options |= DirectoryEnumerationOptions.Files; // Add enumeration of files.
}
FileSystemObjectType = (options & DirectoryEnumerationOptions.FilesAndFolders) == DirectoryEnumerationOptions.FilesAndFolders
// Folders and files (null).
? (bool?)null
// Only folders (true) or only files (false).
: (options & DirectoryEnumerationOptions.Folders) != 0;
}
