1 (* Copyright (C) 2000, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://cs.unibo.it/helm/.
26 (******************************************************************************)
30 (* Ferruccio Guidi <fguidi@cs.unibo.it> *)
34 (******************************************************************************)
39 type position = string
40 type depth = int option
43 type r_obj = (uri * position * depth)
44 type r_rel = (position * depth)
45 type r_sort = (position * depth * sort)
47 type must_restrictions = (r_obj list * r_rel list * r_sort list)
48 type only_restrictions =
49 (r_obj list option * r_rel list option * r_sort list option)
53 val set_log_file : string -> unit
55 (* the callback function must return false iff the query must be skipped *)
56 val set_confirm_query : (MathQL.query -> bool) -> unit
58 val execute_query : MathQL.query -> MathQL.result
60 val locate : string -> MathQL.result
62 val searchPattern : must_restrictions -> only_restrictions -> MathQL.result
64 val get_query_info : unit -> string list