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 (* AUTOR: Ferruccio Guidi <fguidi@cs.unibo.it>
29 (* low level functions *****************************************************)
31 (* these functions give the string representation used in the db ----------*)
33 val string_of_position : MQGTypes.position -> string
34 val string_of_depth : MQGTypes.depth -> string
35 val string_of_sort : MQGTypes.sort -> string
37 (* these functions give the string representation used in MathQL ----------*)
39 val mathql_of_position : MQGTypes.position -> string
40 val mathql_of_depth : MQGTypes.depth -> string
41 val mathql_of_uri : MQGTypes.uri -> string
42 val mathql_of_sort : MQGTypes.sort -> string
44 val mathql_of_specs : (string -> unit) -> MQGTypes.spec list -> unit
46 val position_of_mathql : string -> MQGTypes.position
47 val depth_of_mathql : string -> MQGTypes.depth
48 val uri_of_mathql : string -> MQGTypes.uri
49 val sort_of_mathql : string -> MQGTypes.sort
51 (* high level functions ****************************************************)
53 (* these functions give the textual representation used by umans ----------*)
55 val text_of_position : MQGTypes.full_position -> string
56 val text_of_depth : MQGTypes.full_position -> string -> string
57 val text_of_sort : MQGTypes.sort -> string
59 (* these functions classify the positions ---------------------------------*)
61 val is_main_position : MQGTypes.full_position -> bool
62 val is_conclusion : MQGTypes.full_position -> bool
64 (* these function apply changes to positions ------------------------------*)
66 val set_full_position : MQGTypes.full_position -> MQGTypes.optional_depth ->
67 MQGTypes.full_position
68 val set_main_position : MQGTypes.main_position -> MQGTypes.optional_depth ->
69 MQGTypes.main_position