private IEnumerable <string> EnumerateFilesInFolder(string targetDirectory)
{
var fileEntries = Directory.GetFiles(targetDirectory);
foreach (var file in fileEntries)
{
FileFinded?.Invoke();
if (_filterPattern.Invoke(file))
{
FilteredFileFinded?.Invoke();
}
yield return(file);
}
var subdirectoryEntries = Directory.GetDirectories(targetDirectory);
foreach (string subdirectory in subdirectoryEntries)
{
DirectoryFinded?.Invoke();
if (_filterPattern.Invoke(subdirectory))
{
FilteredDirectoryFinded?.Invoke();
}
foreach (var file in EnumerateFilesInFolder(subdirectory)
.TakeWhile(file => !_cancelTokenSource.IsCancellationRequested)
.ToList())
{
yield return(file);
}
}
}
private DirectoryEntityCollection FilterDirectories(DirectoryEntityCollection collection)
{
collection.Directories = _filterAction?.Invoke(collection.Directories) ?? collection.Directories;
for (var i = 0; i < collection.SubEntities.Length; i++)
{
collection.SubEntities[i] = FilterDirectories(collection.SubEntities[i]);
}
FilteredDirectoryFinded?.Invoke(ref args);
if (args.RemoveDirectories.Any())
{
collection.RemoveFolder(args.RemoveDirectories);
}
if (args.RemoveFiles.Any())
{
collection.RemoveFiles(args.RemoveFiles);
}
if (args.StopSearching)
{
return(collection);
}
return(collection);
}
private void CallEventDirectoryFound()
{
if (filtered)
{
FilteredDirectoryFinded?.Invoke(this, directoryArgs);
}
else
{
DirectoryFinded?.Invoke(this, directoryArgs);
}
}
protected virtual void OnDirectoryFinded(DirectoryInfo directoryInfo, bool isFiltered = false)
{
var arg = new ItemFindedArg <FileSystemInfo>(directoryInfo);
_argList.Add(arg);
if (isFiltered)
{
FilteredDirectoryFinded?.Invoke(this, arg);
}
else
{
DirectoryFinded?.Invoke(this, arg);
}
}
protected virtual void OnFilteredDirectoryFinded(FileSystemEventArgs args)
{
FilteredDirectoryFinded?.Invoke(this, args);
}
protected virtual void OnFilteredDirectoryFinded(string path) //запуск события после фильтрации
{
FilteredDirectoryFinded?.Invoke(path);
Console.WriteLine(path);
}