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 (* cut and paste from ../getter/clientHTTP.ml *)
27 exception HttpClientError of string * string;; (* reason, uri *)
31 ignore (Http_user_agent.get cmd)
33 e -> raise (HttpClientError (Printexc.to_string e, cmd))
38 Http_user_agent.get uri
40 e -> raise (HttpClientError (Printexc.to_string e, uri))
43 let get_and_save uri dest_filename =
45 and out_channel = open_out dest_filename in
46 output_string out_channel reply ;
50 let get_and_save_to_tmp uri =
51 let flat_string s s' c =
52 let cs = String.copy s in
53 for i = 0 to (String.length s) - 1 do
54 if String.contains s' s.[i] then cs.[i] <- c
58 let user = try Unix.getlogin () with _ -> "" in
60 Filename.temp_file (user ^ flat_string uri ".-=:;!?/&" '_') ""
62 get_and_save uri tmp_file ;
65 (* / cut and paste from ../getter/clientHTTP.ml *)
70 Pxp_types.System url ->
71 let http = Hashtbl.find Neturl.common_url_syntax "http" in
72 Neturl.url_of_string http url
73 | _ -> raise Pxp_reader.Not_competent
75 let channel_of_url _ url =
76 let file = get_and_save_to_tmp (Neturl.string_of_url url) in
77 let ch = open_in file in
81 new Pxp_reader.resolve_read_url_channel
82 ~url_of_id ~channel_of_url ()