+++ /dev/null
-(* Copyright (C) 2004-2005, 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/
- *)
-
-(* $Id$ *)
-
-open Printf
-
-let add_obj ~basedir uri obj status =
- let lemmas = LibrarySync.add_obj uri obj basedir in
- {status with GrafiteTypes.objects = uri::status.GrafiteTypes.objects},
- lemmas
-
-let add_coercion ~basedir ~add_composites status uri =
- let compounds = LibrarySync.add_coercion ~add_composites ~basedir uri in
- {status with GrafiteTypes.coercions = uri :: status.GrafiteTypes.coercions},
- compounds
-
-module OrderedUri =
-struct
- type t = UriManager.uri * string
- let compare (u1, _) (u2, _) = UriManager.compare u1 u2
-end
-
-module UriSet = Set.Make (OrderedUri)
-
- (** @return l2 \ l1 *)
-let uri_list_diff l2 l1 =
- let module S = UriManager.UriSet in
- let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
- let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
- let diff = S.diff s2 s1 in
- S.fold (fun uri uris -> uri :: uris) diff []
-
-let time_travel ~present ~past =
- let objs_to_remove =
- uri_list_diff present.GrafiteTypes.objects past.GrafiteTypes.objects in
- let coercions_to_remove =
- uri_list_diff present.GrafiteTypes.coercions past.GrafiteTypes.coercions
- in
- List.iter (fun uri -> LibrarySync.remove_coercion uri) coercions_to_remove;
- List.iter LibrarySync.remove_obj objs_to_remove
-
-let init () =
- LibrarySync.remove_all_coercions ();
- LibraryObjects.reset_defaults ();
- {
- GrafiteTypes.moo_content_rev = [];
- proof_status = GrafiteTypes.No_proof;
- options = GrafiteTypes.no_options;
- objects = [];
- coercions = [];
- }