private IFileSystem TryGetMountOrNext(ref UPath path, out string mountName)
{
mountName = null;
if (path.IsNull)
{
return(null);
}
UPath mountSubPath;
mountName = path.GetFirstDirectory(out mountSubPath);
IFileSystem mountfs;
lock (_mounts)
{
_mounts.TryGetValue(mountName, out mountfs);
}
if (mountfs != null)
{
path = mountSubPath.ToAbsolute();
return(mountfs);
}
else if (NextFileSystem != null)
{
mountName = null;
return(NextFileSystem);
}
mountName = null;
return(null);
}