public override DirectoryInfoBase GetParent(string path)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
if (path.Length == 0)
{
throw new ArgumentException(StringResources.Manager.GetString("PATH_CANNOT_BE_THE_EMPTY_STRING_OR_ALL_WHITESPACE"), "path");
}
if (VirtualPath.HasIllegalCharacters(path, false))
{
throw new ArgumentException("Path contains invalid path characters.", "path");
}
var absolutePath = VirtualFileDataAccessor.Path.GetFullPath(path);
var sepAsString = string.Format(CultureInfo.InvariantCulture, "{0}", VirtualFileDataAccessor.Path.DirectorySeparatorChar);
var lastIndex = 0;
if (absolutePath != sepAsString)
{
var startIndex = absolutePath.EndsWith(sepAsString, StringComparison.OrdinalIgnoreCase) ? absolutePath.Length - 1 : absolutePath.Length;
lastIndex = absolutePath.LastIndexOf(VirtualFileDataAccessor.Path.DirectorySeparatorChar, startIndex - 1);
if (lastIndex < 0)
{
return(null);
}
}
var parentPath = absolutePath.Substring(0, lastIndex);
if (string.IsNullOrEmpty(parentPath))
{
return(null);
}
var parent = new VirtualDirectoryInfo(VirtualFileDataAccessor, parentPath);
return(parent);
}
private DirectoryInfoBase CreateDirectoryInternal(string path, DirectorySecurity directorySecurity)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
if (path.Length == 0)
{
throw new ArgumentException(StringResources.Manager.GetString("PATH_CANNOT_BE_THE_EMPTY_STRING_OR_ALL_WHITESPACE"), "path");
}
path = EnsurePathEndsWithDirectorySeparator(VirtualFileDataAccessor.Path.GetFullPath(path));
if (!Exists(path))
{
VirtualFileDataAccessor.AddDirectory(path);
}
var created = new VirtualDirectoryInfo(VirtualFileDataAccessor, path);
created.SetAccessControl(directorySecurity);
return(created);
}