public IEnumerable <VisitedFileSystemEntity> GetResultOfBypassingDirectories(string rootDirectoryPath)
{
if (string.IsNullOrEmpty(rootDirectoryPath) || rootDirectoryPath.IndexOfAny(Path.GetInvalidPathChars()) >= 0 || !Directory.Exists(rootDirectoryPath))
{
throw new ArgumentException($"Passed rootDirectoryPath {rootDirectoryPath} is not valid.");
}
OnStartBypassing();
foreach (var visitedEntity in _fileSystemEntitiesProvider.GetFileSystemEntities(rootDirectoryPath))
{
var args = new FileSystemVisitorEventArgs();
OnEntityFound(visitedEntity, args);
if (_bypassingFilter(visitedEntity))
{
OnFilteredEntityFound(visitedEntity, args);
if (args.ShouldStopSearch)
{
break;
}
if (args.ShouldExcludeResult)
{
continue;
}
yield return(visitedEntity);
}
}
OnFinishBypassing();
}
private void OnFilteredEntityFound(VisitedFileSystemEntity fileSystemEntity, FileSystemVisitorEventArgs args)
{
if (fileSystemEntity.EntityType == VisitedFileSystemEntityType.Directory)
{
OnFilteredDirectoryFound(args);
}
else
{
OnFilteredFileFound(args);
}
}
private void OnFilteredFileFound(FileSystemVisitorEventArgs args)
{
var handler = FilteredFileFound;
handler?.Invoke(this, args);
}
private void OnDirectoryFound(FileSystemVisitorEventArgs args)
{
var handler = DirectoryFound;
handler?.Invoke(this, args);
}
