2 * Copyright (C) 2003-2004:
3 * Stefano Zacchiroli <zack@cs.unibo.it>
4 * for the HELM Team http://helm.cs.unibo.it/
6 * This file is part of HELM, an Hypertextual, Electronic
7 * Library of Mathematics, developed at the Computer Science
8 * Department, University of Bologna, Italy.
10 * HELM is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * HELM is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with HELM; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
25 * For details, see the HELM World-Wide-Web page,
26 * http://helm.cs.unibo.it/
31 exception Bad_request of string
32 exception Unresolvable_URI of string
33 exception Invalid_URI of string
34 exception Invalid_URL of string
35 exception Invalid_RDF_class of string
36 exception Internal_error of string
37 exception Cache_failure of string
38 exception Dtd_not_found of string (* dtd's url *)
39 exception Key_already_in of string;;
40 exception Key_not_found of string;;
41 exception Http_client_error of string * string (* url, error message *)
42 exception Unsupported_scheme of string (** unsupported url scheme *)
44 type encoding = [ `Normal | `Gzipped ]
45 type answer_format = [ `Text | `Xml ]
46 type ls_flag = No | Yes | Ann
56 | Ls_section of string
57 | Ls_object of ls_object
62 type rdf_uri = string * xml_uri
63 type nuprl_uri = string
66 | Nuprl_uri of nuprl_uri
69 module StringSet = Set.Make (String)
71 type prefix_attr = [ `Read_only | `Legacy ]