public void DeleteDirectory(string path, DeletionOptions options)
{
options = options ?? DeletionOptions.TryThreeTimes;
if (string.IsNullOrWhiteSpace(path))
{
return;
}
for (int index = 0; index < options.RetryAttempts; ++index)
{
try
{
if (Directory.Exists(path))
{
DirectoryInfo directoryInfo = new DirectoryInfo(path);
directoryInfo.Attributes = directoryInfo.Attributes & ~FileAttributes.ReadOnly;
directoryInfo.Delete(true);
}
}
catch
{
Thread.Sleep(options.SleepBetweenAttemptsMilliseconds);
if (index == options.RetryAttempts - 1)
{
if (!options.ThrowOnFailure)
{
break;
}
throw;
}
}
}
}
public void DeleteFile(string path, DeletionOptions options)
{
options = options ?? DeletionOptions.TryThreeTimes;
if (string.IsNullOrWhiteSpace(path))
{
return;
}
bool flag = false;
for (int index = 0; index < options.RetryAttempts; ++index)
{
try
{
if (File.Exists(path))
{
if (flag)
{
File.SetAttributes(path, FileAttributes.Normal);
}
File.Delete(path);
}
}
catch
{
Thread.Sleep(options.SleepBetweenAttemptsMilliseconds);
flag = true;
if (index == options.RetryAttempts - 1)
{
if (!options.ThrowOnFailure)
{
break;
}
throw;
}
}
}
}
private void PurgeDirectory(string targetDirectory, Predicate <IFileInfo> include, DeletionOptions options, CancellationToken cancel, bool includeTarget = false)
{
if (!DirectoryExists(targetDirectory))
{
return;
}
foreach (string str in EnumerateFiles(targetDirectory))
{
cancel.ThrowIfCancellationRequested();
if (include != null)
{
FileInfoAdapter fileInfoAdapter = new FileInfoAdapter(new FileInfo(str));
if (!include(fileInfoAdapter))
{
continue;
}
}
DeleteFile(str, options);
}
foreach (string str in EnumerateDirectories(targetDirectory))
{
cancel.ThrowIfCancellationRequested();
if ((new DirectoryInfo(str).Attributes & FileAttributes.ReparsePoint) == FileAttributes.ReparsePoint)
{
Directory.Delete(str);
}
else
{
PurgeDirectory(str, include, options, cancel, true);
}
}
if (!includeTarget || !DirectoryIsEmpty(targetDirectory))
{
return;
}
DeleteDirectory(targetDirectory, options);
}
public void PurgeDirectory(string targetDirectory, Predicate <IFileInfo> include, DeletionOptions options)
{
PurgeDirectory(targetDirectory, include, options, CancellationToken.None);
}
public void PurgeDirectory(string targetDirectory, DeletionOptions options, CancellationToken cancel)
{
PurgeDirectory(targetDirectory, fi => true, options, cancel);
}
public void PurgeDirectory(string targetDirectory, DeletionOptions options)
{
PurgeDirectory(targetDirectory, fi => true, options);
}