1 (* Copyright (C) 2004, 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://helm.cs.unibo.it/
30 let xpointer_RE = Str.regexp "\\([^#]+\\)#xpointer(\\(.*\\))"
31 let slash_RE = Str.regexp "/"
34 let s = UriManager.string_of_uri uri in
36 (if UriManager.uri_is_con uri then
38 else if UriManager.uri_is_var uri then
40 else if not (Str.string_match xpointer_RE s 0) then
41 raise (UriManager.IllFormedUri s)
43 let (baseuri,xpointer) = (Str.matched_group 1 s, Str.matched_group 2 s) in
44 let baseuri = UriManager.uri_of_string baseuri in
45 (match Str.split slash_RE xpointer with
46 | [_; tyno] -> C.MutInd (baseuri, int_of_string tyno - 1, [])
47 | [_; tyno; consno] ->
49 (baseuri, int_of_string tyno - 1, int_of_string consno, [])
54 | Not_found -> raise (UriManager.IllFormedUri s)