public static IEnumerable <DirectoryInfo> GetDirList(string path, string fileFilter, SearchOption searchOption)
{
var root = new DirectoryInfo(path);
var enumerable = new DirSystemEnumerable(root, fileFilter, searchOption);
enumerable.GetEnumerator();
return(enumerable);
//DirectoryInfo d = new DirectoryInfo(path);
//FileInfo[] files = d.GetFiles(fileFilter, searchOption);
//return files;
}
public IEnumerator <DirectoryInfo> GetEnumerator()
{
if (_root == null || !_root.Exists)
{
yield break;
}
IEnumerable <DirectoryInfo> matches = new List <DirectoryInfo>();
try
{
foreach (var pattern in _patterns)
{
matches = matches.Concat(_root.EnumerateDirectories(pattern, SearchOption.TopDirectoryOnly));
}
}
catch (UnauthorizedAccessException uauthe)
{
PathException.Add(string.Format("{0} - {1}", "Unauthorised Access", uauthe.Message));
yield break;
}
catch (PathTooLongException ptle)
{
PathException.Add(string.Format("{0} - {1}", "Path too long", ptle.Message));
yield break;
}
foreach (var dir in matches)
{
yield return(dir);
}
if (_option == SearchOption.AllDirectories)
{
foreach (var dir in _root.EnumerateDirectories("*", SearchOption.TopDirectoryOnly))
{
var fileSystemInfos = new DirSystemEnumerable(dir, _patterns, _option);
foreach (var match in fileSystemInfos)
{
yield return(match);
}
}
}
}
