internal IFolder GetFolder(string dest, bool createAllowed,
IFolder start = null)
{
const char separator = '/';
var current = start ?? root;
foreach (var part in dest.Split(separator))
{
if (string.IsNullOrWhiteSpace(part))
{
continue;
}
var item = current[part] as IFolder;
if (item != null)
{
current = item;
continue;
}
if (!createAllowed)
{
return(null);
}
var parent = current as VfsFolder;
parent[part] = current = new VfsFolder(part, parent);
}
return(current);
}
IReadOnlyList <IUnixFileSystemEntry> GetEntries(
VirtualDirectory folder, VfsFolder model)
=> model.Folders.OfType <IEntry>().Concat(model.Files)
.Select(v => v.ToEntry(this, folder))
.ToList().AsReadOnly();