/// <summary>
/// Creates a file descriptor from the given path. If the given path is relative, the current directory
/// is used to make the descriptor rooted.
/// </summary>
/// <exception cref="System.ArgumentNullException">The specified file system or the specified path is null.</exception>
/// <exception cref="System.IO.PathTooLongException">The specified path, in its canonical form, exceeds
/// the system-defined maximum length.</exception>
/// <exception cref="fs4net.Framework.InvalidPathException">The specified path contains invalid characters,
/// contains an invalid drive letter, or is invalid in some other way.</exception>
public static RootedFile FileFromCurrentDirectory(IFileSystem fileSystem, string path)
{
ThrowHelper.ThrowIfNull(fileSystem, "fileSystem");
if (path.IsValidRootedFile())
{
return fileSystem.FileDescribing(path);
}
return fileSystem.DirectoryDescribingCurrentDirectory() + RelativeFile.FromString(path);
}
