public IEnumerator <FileSyDirectoryInfo> GetEnumerator()
{
if (rootPath == null || !rootPath.Exists || rootDirectory.Value == null)
{
yield break;
}
IEnumerable <DirectoryInfo> matches = SafeEnumerable.Wrap(() =>
enumerateOptions.Option == SearchOption.AllDirectories && pattern == "*"
? rootPath.EnumerateDirectories(pattern, SearchOption.TopDirectoryOnly).ToArray()
: rootPath.EnumerateDirectories(pattern, SearchOption.TopDirectoryOnly));
foreach (var directory in matches)
{
if (!parentDirectory.HasValue)
{
parentDirectory = Optional.Wrap(Try.Execute(
() => rootPath.Parent == null ? null : new ManagedFileSyDirectoryInfo(rootPath.Parent), null));
}
yield return(new ManagedFileSyDirectoryInfo(directory, parentDirectory));
}
if (enumerateOptions.Option != SearchOption.AllDirectories)
{
yield break;
}
var subfolderMatches = pattern == "*"
? matches
: SafeEnumerable.Wrap(() => rootPath.EnumerateDirectories("*", SearchOption.TopDirectoryOnly));
foreach (var subfolder in subfolderMatches)
{
if (!enumerateOptions.EnumerateReparse && (subfolder.Attributes & FileAttributes.ReparsePoint) == FileAttributes.ReparsePoint)
{
continue;
}
var fileSystemInfos = new ManagedFileSyDirectoryEnumerable(subfolder, pattern, enumerateOptions, rootDirectory);
foreach (var match in fileSystemInfos)
{
yield return(match);
}
}
}
public IEnumerator <FileSyInfo> GetEnumerator()
{
if (rootPath == null || !rootPath.Exists || rootDirectory.Value == null)
{
yield break;
}
var fileMatches = SafeEnumerable.Wrap(() => rootPath.EnumerateFiles(pattern, SearchOption.TopDirectoryOnly));
foreach (var file in fileMatches)
{
if (!parentDirectory.HasValue)
{
parentDirectory = Optional.Wrap(Try.Execute(
() => rootPath.Parent == null ? null : new ManagedFileSyDirectoryInfo(rootPath.Parent), null));
}
yield return(new ManagedFileSyFileInfo(file, parentDirectory));
}
if (enumerateOptions.Option == SearchOption.TopDirectoryOnly)
{
yield break;
}
var subfolders = SafeEnumerable.Wrap(() => rootPath.EnumerateDirectories(pattern, SearchOption.TopDirectoryOnly));
foreach (var subfolder in subfolders)
{
var subFolderInfo = new ManagedFileSyDirectoryInfo(subfolder, rootDirectory);
yield return(subFolderInfo);
if (!enumerateOptions.EnumerateReparse && (subfolder.Attributes & FileAttributes.ReparsePoint) == FileAttributes.ReparsePoint)
{
continue;
}
var fileSystemInfos = new ManagedFileSyFileSystemEnumerable(subfolder, pattern, enumerateOptions, rootDirectory);
foreach (var entry in fileSystemInfos)
{
yield return(entry);
}
}
}