(* Copyright (C) 2004, 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://helm.cs.unibo.it/
 *)

exception Failure of string

  (** uri_pred which rejects ll .var URIs *)
val constants_only: prefix:string -> (string -> bool)

  (** @param variables enabled
   * @param variables prefix varsprefix
   * @return uri predicate suitable for functions below *)
val uri_pred_of_conf:
 bool -> prefix:string -> varsprefix:string -> (string -> bool)

  (** Parse a cic term from the given string using disambiguating parser in
   * batch mode if possible, otherwise raises Failure above.
   * uri_pred is the predicate used to select which uris are tried. Per default
   * only constant URIs are accepted *)
val parse:
 Mysql.dbd -> ?uri_pred:(string -> bool) -> string ->  
  CicUniv.universe_graph ->
  (DisambiguatingParser.EnvironmentP3.t * 
   Cic.metasenv * 
   Cic.term * 
   CicUniv.universe_graph) list

  (** as above, but instead of returning the parsed cic term, pretty prints it
   * (ignoring returned metasenv)
   *)
val parse_pp: Mysql.dbd -> ?uri_pred:(string -> bool) -> 
  string -> CicUniv.universe_graph -> string list