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 (* Claudio Sacerdoti Coen <sacerdot@cs.unibo.it> *)
33 (* This module implements a trival cache system (an hash-table) for cic *)
34 (* objects. Uses the getter (getter.ml) and the parser (cicParser.ml) *)
36 (******************************************************************************)
39 let module U = UriManager in
40 let cicfilename = Http_getter.getxml' (U.cicuri_of_uri uri) in
41 match (U.bodyuri_of_uri uri) with
43 let annobj = CicParser.annobj_of_xml cicfilename None in
44 Unix.unlink cicfilename ;
49 ignore (Http_getter.resolve' bodyuri) ;
50 (* The body exists ==> it is not an axiom *)
51 Some (Http_getter.getxml' bodyuri)
53 Http_getter_types.Unresolvable_URI _ ->
54 (* The body does not exist ==> we consider it an axiom *)
58 CicParser.annobj_of_xml cicfilename cicbodyfilename
60 Unix.unlink cicfilename ;
61 (match cicbodyfilename with None -> () | Some f -> Unix.unlink f) ;
66 let module U = UriManager in
67 let cicfilename = Http_getter.getxml' (U.cicuri_of_uri uri) in
68 match (U.bodyuri_of_uri uri) with
70 let obj = CicParser.obj_of_xml cicfilename None in
71 Unix.unlink cicfilename ;
76 ignore (Http_getter.resolve' bodyuri) ;
77 (* The body exists ==> it is not an axiom *)
78 Some (Http_getter.getxml' bodyuri)
79 with Http_getter_types.Unresolvable_URI _ ->
80 (* The body does not exist ==> we consider it an axiom *)
83 let obj = CicParser.obj_of_xml cicfilename cicbodyfilename in
84 Unix.unlink cicfilename ;
85 (match cicbodyfilename with None -> () | Some f -> Unix.unlink f) ;