(* Copyright (C) 2000, HELM Team.
 * 
 * This file is part of HELM, an Hypertextual, Electronic
 * Library of Mathematics, developed at the Computer Science
 * Department, University of Bologna, Italy.
 * 
 * HELM is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * HELM is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HELM; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 * MA  02111-1307, USA.
 * 
 * For details, see the HELM World-Wide-Web page,
 * http://www.cs.unibo.it/helm/.
 *)

(*  AUTOR: Ferruccio Guidi <fguidi@cs.unibo.it>
 *)

type xml_object =
   | XML_Open of string
   | XML_Attribute of string * string
   | XML_Close of string 
   | XML_End 
   | XML_Done

type xml_xobject = xml_object * int

type timing = float * float * float

let string_of_object = function
   | XML_Open t           -> "OPEN " ^ t  
   | XML_Close t          -> "CLOSE " ^ t 
   | XML_Attribute (n, v) -> "ATTRIBUTE " ^ n ^ "=" ^ v 
   | XML_End              -> "END"
   | XML_Done             -> ""

let string_of_xobject (o, i) =
   string_of_object o ^ " [" ^ string_of_int i ^ "]"

let string_of_timing (r, t, p) = 
   string_of_float r ^ "," ^ string_of_float t ^ "s, " ^ string_of_float p

let rec print_timing = function
   | []        -> ()
   | head :: tail ->
      print_endline (string_of_timing head); flush stdout;
      print_timing tail