(***********************************************************************)
(*                                                                     *)
(*                               TAToo                                 *)
(*                                                                     *)
(*                     Kim Nguyen, LRI UMR8623                         *)
(*                   Université Paris-Sud & CNRS                       *)
(*                                                                     *)
(*  Copyright 2010-2012 Université Paris-Sud and Centre National de la *)
(*  Recherche Scientifique. All rights reserved.  This file is         *)
(*  distributed under the terms of the GNU Lesser General Public       *)
(*  License, with the special exception on linking described in file   *)
(*  ../LICENSE.                                                        *)
(*                                                                     *)
(***********************************************************************)

include FiniteCofinite.Make(Ptset.Make(QName))

let print_finite fmt e conv =
  Format.fprintf fmt "{";
  Pretty.print_list ~sep:"," QName.print fmt (conv e);
  Format.fprintf fmt "}"

let printer fmt e test conv inv is_any =
  if test e then print_finite fmt e conv
  else
    let () = Format.fprintf fmt "%s" Pretty.big_sigma in
    if not (is_any e) then begin Format.fprintf fmt "-";print_finite fmt (inv e) conv end

let print fmt e = printer fmt e is_finite elements complement is_any

let specials = [ QName.document; QName.text; QName.text ]
let notstar = from_list specials
let star = diff any notstar
let node = any
let text = singleton QName.text

module Weak =
struct
  include FiniteCofinite.Weak(Ptset.Weak(QName))
  let print fmt e =  printer fmt e is_finite elements complement is_any
  let notstar = from_list specials
  let star = diff any notstar
  let node = any
  let text = singleton QName.text
end