public IEnumerable <string> EnumerateSourceFiles(string path)
{
if (_fileSystem.DirectoryExists(path))
{
foreach (var i in _fileSystem.EnumerateFiles(path, "*.nx", SearchOption.TopDirectoryOnly))
{
yield return(i.ToString());
}
}
if (_fileSystem.FileExists(path))
{
yield return(path);
}
}
