(***********************************************************************)
(*                                                                     *)
(*                               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.                                                        *)
(*                                                                     *)
(***********************************************************************)


(** use: xml_file "XPath querie"
    or : xml_file -f XPath_querie_file
    only the first line of XPath_querie_file is read 
*)

module F = Formula
module A = Ata
(* to force ocaml build to add Formula to the dependency chain even if
   we don't use it yet*)

let doc =
  let fd = open_in Sys.argv.(1) in
  let d = Tree.load_xml_file fd in
  close_in fd; d



let query = 
  let arg2 = Sys.argv.(2) in
  if arg2 = "-f"
  then  let fq = open_in Sys.argv.(3) in
	let q = XPath.parse_file fq in
	close_in fq; q
  else XPath.parse_string arg2

open Format

let () =
  fprintf err_formatter "Query: %a\n%!" XPath.Ast.print query;
  fprintf err_formatter "Document:\n%!";
  Tree.print_xml stderr doc (Tree.root doc);
  exit 0