private IEnumerable <string> VisitDirectory(string root)
{
foreach (var file in VisitFiles(root))
{
yield return(file);
}
foreach (var subDirectory in Directory.EnumerateDirectories(root))
{
var directoryEventArgs = new DirectoryEventArgs {
Path = subDirectory
};
OnDirectoryFound(directoryEventArgs);
if (directoryEventArgs.Stop)
{
yield break;
}
if (!directoryEventArgs.Exclude && _filter(subDirectory))
{
var filteredDirectoryEventArgs = new DirectoryEventArgs {
Path = subDirectory
};
OnFilteredDirectoryFound(directoryEventArgs);
if (filteredDirectoryEventArgs.Stop)
{
yield break;
}
if (!filteredDirectoryEventArgs.Exclude)
{
yield return(subDirectory);
}
}
foreach (var item in VisitDirectory(subDirectory))
{
yield return(item);
}
}
}
protected virtual void OnFilteredDirectoryFound(DirectoryEventArgs args)
{
FilteredDirectoryFound?.Invoke(this, args);
}