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 TexCicTextualParser;;
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 (* TeX unquoting for "_" *)
53 Str.global_replace (Str.regexp "\\\\_") "_" str
57 let num = ['1'-'9']['0'-'9']* | '0'
58 let alfa = ['A'-'Z' 'a'-'z' '_' ''' '-'] | "\\_"
59 let ident = alfa (alfa | num)*
60 let baseuri = '/'(ident '/')* ident '.'
61 let conuri = baseuri "con"
62 let varuri = baseuri "var"
63 let indtyuri = baseuri "ind#1/" num
64 let indconuri = baseuri "ind#1/" num "/" num
65 let blanks = [' ' '\t' '\n' '~' '{' '}'] | "\\;"
68 blanks { token lexbuf } (* skip blanks *)
75 | ident { ID (unquote (L.lexeme lexbuf)) }
77 (U.uri_of_string ("cic:" ^ (unquote (L.lexeme lexbuf)))) }
79 (U.uri_of_string ("cic:" ^ (unquote (L.lexeme lexbuf)))) }
81 (indtyuri_of_uri ("cic:" ^ (unquote (L.lexeme lexbuf)))) }
82 | indconuri { INDCONURI
83 (indconuri_of_uri("cic:" ^ (unquote (L.lexeme lexbuf)))) }
84 | num { NUM (int_of_string (L.lexeme lexbuf)) }
85 | '?' num { let lexeme = L.lexeme lexbuf in
88 (String.sub lexeme 1 (String.length lexeme - 1))) }
99 | "\\lambda" { LAMBDA }
101 | "\\forall" { PROD }
108 (* Arithmetical operators *)