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/.
27 open CicTextualParser;;
29 module U = UriManager;;
31 let indtyuri_of_uri uri =
32 let index_sharp = String.index uri '#' in
33 let index_num = index_sharp + 3 in
34 (UriManager.uri_of_string (String.sub uri 0 index_sharp),
35 int_of_string (String.sub uri index_num (String.length uri - index_num)) - 1
39 let indconuri_of_uri uri =
40 let index_sharp = String.index uri '#' in
41 let index_div = String.rindex uri '/' in
42 let index_con = index_div + 1 in
43 (UriManager.uri_of_string (String.sub uri 0 index_sharp),
45 (String.sub uri (index_sharp + 3) (index_div - index_sharp - 3)) - 1,
47 (String.sub uri index_con (String.length uri - index_con))
51 let num = ['1'-'9']['0'-'9']* | '0'
52 let alfa = ['A'-'Z' 'a'-'z' '_' ''' '-']
53 let ident = alfa (alfa | num)*
54 let baseuri = '/'(ident '/')* ident '.'
55 let conuri = baseuri ("con" | "var")
56 let indtyuri = baseuri "ind#1/" num
57 let indconuri = baseuri "ind#1/" num "/" num
58 let blanks = [' ' '\t' '\n']
61 blanks { token lexbuf } (* skip blanks *)
69 | ident { ID (L.lexeme lexbuf) }
70 | conuri { CONURI (U.uri_of_string ("cic:" ^ L.lexeme lexbuf)) }
71 | indtyuri { INDTYURI (indtyuri_of_uri ("cic:" ^ L.lexeme lexbuf)) }
72 | indconuri { INDCONURI (indconuri_of_uri("cic:" ^ L.lexeme lexbuf)) }
73 | num { NUM (int_of_string (L.lexeme lexbuf)) }
74 | '?' num { let lexeme = L.lexeme lexbuf in
77 (String.sub lexeme 1 (String.length lexeme - 1))) }