--- /dev/null
+(*
+ * Copyright (C) 2003-2004:
+ * Stefano Zacchiroli <zack@cs.unibo.it>
+ * for the HELM Team http://helm.cs.unibo.it/
+ *
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ *
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * For details, see the HELM World-Wide-Web page,
+ * http://helm.cs.unibo.it/
+ *)
+
+(* $Id$ *)
+
+open Printf
+
+open Http_getter_types
+open Http_getter_misc
+
+let version = Http_getter_const.version
+
+let prefix_RE = Pcre.regexp "^\\s*([^\\s]+)\\s+([^\\s]+)\\s*(.*)$"
+
+let cache_dir = lazy (normalize_dir (Helm_registry.get "getter.cache_dir"))
+let dtd_dir = lazy (
+ match Helm_registry.get_opt Helm_registry.string "getter.dtd_dir" with
+ | None -> None
+ | Some dir -> Some (normalize_dir dir))
+let dtd_base_urls = lazy (
+ let rex = Pcre.regexp "/*$" in
+ let raw_urls =
+ match
+ Helm_registry.get_list Helm_registry.string "getter.dtd_base_urls"
+ with
+ | [] -> ["http://helm.cs.unibo.it/dtd"; "http://mowgli.cs.unibo.it/dtd"]
+ | urls -> urls
+ in
+ List.map (Pcre.replace ~rex) raw_urls)
+let port = lazy (
+ Helm_registry.get_opt_default Helm_registry.int ~default:58081 "getter.port")
+
+let parse_prefix_attrs s =
+ List.fold_right
+ (fun s acc ->
+ match s with
+ | "ro" -> `Read_only :: acc
+ | "legacy" -> `Legacy :: acc
+ | s ->
+ Http_getter_logger.log ("ignoring unknown attribute: " ^ s);
+ acc)
+ (Pcre.split s) []
+
+let prefixes = lazy (
+ let prefixes = Helm_registry.get_list Helm_registry.string "getter.prefix" in
+ List.fold_left
+ (fun acc prefix ->
+ let subs = Pcre.extract ~rex:prefix_RE prefix in
+ try
+ (subs.(1), (subs.(2), parse_prefix_attrs subs.(3))) :: acc
+ with Invalid_argument _ ->
+ Http_getter_logger.log ("skipping invalid prefix: " ^ prefix);
+ acc)
+ [] prefixes)
+
+let host = lazy (Http_getter_misc.backtick "hostname -f")
+
+let my_own_url =
+ lazy
+ (let (host, port) = (Lazy.force host, Lazy.force port) in
+ sprintf "http://%s%s" (* without trailing '/' *)
+ host (if port = 80 then "" else (sprintf ":%d" port)))
+
+let env_to_string () =
+ let pp_attr = function `Read_only -> "ro" | `Legacy -> "legacy" in
+ let pp_prefix (uri_prefix, (url_prefix, attrs)) =
+ sprintf " %s -> %s [%s]" uri_prefix url_prefix
+ (String.concat "," (List.map pp_attr attrs)) in
+ let pp_prefixes prefixes =
+ match prefixes with
+ | [] -> ""
+ | l -> "\n" ^ String.concat "\n" (List.map pp_prefix l)
+ in
+ sprintf
+"HTTP Getter %s
+
+prefixes:%s
+dtd_dir:\t%s
+host:\t\t%s
+port:\t\t%d
+my_own_url:\t%s
+dtd_base_urls:\t%s
+log_file:\t%s
+log_level:\t%d
+"
+ version
+ (pp_prefixes (Lazy.force prefixes))
+ (match Lazy.force dtd_dir with Some dir -> dir | None -> "NONE")
+ (Lazy.force host) (Lazy.force port)
+ (Lazy.force my_own_url) (String.concat " " (Lazy.force dtd_base_urls))
+ (match Http_getter_logger.get_log_file () with None -> "None" | Some f -> f)
+ (Http_getter_logger.get_log_level ())
+
+let get_dtd_dir () =
+ match Lazy.force dtd_dir with
+ | None -> raise (Internal_error "dtd_dir is not available")
+ | Some dtd_dir -> dtd_dir
+