private static void InnerDeleteObject(String path)
{
path = @"\\?\" + path; //UNC Path
var objType = GetPathType(path);
if (!objType.HasValue)
{
return;
}
var occupiedFiles = StringListPool.Rent();
var occupiedDirectories = StringListPool.Rent();
if (objType.Value.dwFileAttributes.HasFlag(FileAttributes.Directory))
{
InnerDeleteDirectory(path, occupiedFiles, occupiedDirectories);
}
else
{
InnerDeleteFile(path, objType.Value.dwFileAttributes, occupiedFiles);
DeleteOccupiedFiles(occupiedFiles);
}
StringListPool.Return(occupiedFiles);
StringListPool.Return(occupiedDirectories);
}
private static List <String> GetDirectories(String path, List <String> occupiedFiles)
{
List <String> paths;
String findPath;
if (NativeAPI.TryFindFirstFile(path + @"\*", out var findHandle, out var foo)) // in
{
paths = StringListPool.Rent();
while (true)
{
if (!NativeAPI.TryFindNextFile(findHandle, out var findInfo))
{
break; //error or end
}
findPath = path + @"\" + findInfo.cFileName;
if (!findInfo.FileAttributes.dwFileAttributes.HasFlag(FileAttributes.Directory))
{
InnerDeleteFile(findPath, findInfo.FileAttributes.dwFileAttributes, occupiedFiles);
}
else if (findInfo.cFileName != ".." && findInfo.cFileName != ".") //ignores ".." or "." .
{
paths.Add(findPath);
}
}
}
private static Stack <String> TraverseDirectory(String path, List <String> occupiedFiles)
{
var paths = StringListPool.Rent();
var result = new Stack <String>();
paths.Add(path);
TraverseDirectoryPower(paths, result, occupiedFiles);
return(result);
}
private static void TraverseDirectoryPower(List <String> paths, Stack <String> allPaths, List <String> occupiedFiles)
{
if (paths == null)
{
return;
}
Parallel.ForEach <String>(paths, item =>
{
allPaths.Push(item);
TraverseDirectoryPower(GetDirectories(item, occupiedFiles), allPaths, occupiedFiles);
});
StringListPool.Return(paths);
}
