(* 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://cs.unibo.it/helm/.
 *)

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

module U = MQueryUtil
module I = MQueryInterpreter
module C = MQIConn

let _ =
   let t = U.start_time () in
   let ich = Lexing.from_channel stdin in
   let flags = if Array.length Sys.argv >= 2 then Sys.argv.(1) else "" in
   let log s = print_string s; flush stdout in
   let handle = C.init (C.flags_of_string flags) log in 
   if not (C.connected handle) then begin  
       print_endline "mqitop: no connection"; flush stdout
   end;
   let rec aux () =
      let t = U.start_time () in
      let r = I.execute handle (U.query_of_text ich) in
(*    U.text_of_result log r "\n";
*)    Printf.printf "mqitop: query: %s,%i\n" (U.stop_time t) (List.length r);
      flush stdout; aux()
      
   in
   begin try aux() with End_of_file -> () end;
   C.close handle;
   Printf.printf "mqitop: done: %s\n" (U.stop_time t)