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[helm.git] / helm / interface / getter.ml

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-(* Copyright (C) 2000, HELM Team.
- * 
- * 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://cs.unibo.it/helm/.
- *)
-
-(******************************************************************************)
-(*                                                                            *)
-(*                               PROJECT HELM                                 *)
-(*                                                                            *)
-(*                Claudio Sacerdoti Coen <sacerdot@cs.unibo.it>               *)
-(*                                 24/01/2000                                 *)
-(*                                                                            *)
-(******************************************************************************)
-
-
-(*CSC: il getter _DEVE_ diventare un semplice "binding" a quello in Perl *)
-
-let update () =
-(* deliver update request to http_getter *)
- ClientHTTP.send (Configuration.getter_url ^ "update")
-;;
-
-(* url_of_uri : uri -> url *)
-let url_of_uri uri =
- let dbm = Dbm.opendbm Configuration.uris_dbm [Dbm.Dbm_rdonly] 0o660 in
-  let url = Dbm.find dbm (UriManager.string_of_uri uri) in
-   Dbm.close dbm ;
-   url
-;;
-
-let filedir_of_uri uri =
- let fn = UriManager.buri_of_uri uri in
-  let fn' = Str.replace_first (Str.regexp ".*:") Configuration.dest fn in
-   fn'
-;;
-
-let name_and_ext_of_uri uri =
- let str = UriManager.string_of_uri uri in
-  Str.replace_first (Str.regexp ".*/") "" str
-;;
-
-let raw_get = ClientHTTP.get_and_save
-
-(* get_file : uri -> filename *)
-let get_file uri =
- let dir = filedir_of_uri uri in
-  let fn = dir ^ "/" ^ name_and_ext_of_uri uri ^ ".xml" in
-   if not (Sys.file_exists fn) then
-    begin
-     let url = url_of_uri uri in
-      raw_get
-       (Configuration.getter_url ^ "getxml?uri=" ^
-        UriManager.string_of_uri uri ^ "&format=normal&patch_dtd=no"
-       ) fn
-    end ;
-   fn
-;;
-
-(* get : uri -> filename *)
-(* If uri is the URI of an annotation, the annotated object is processed *)
-let get uri =
- let module U = UriManager in
-  get_file
-   (U.uri_of_string
-    (Str.replace_first (Str.regexp "\.types$") ""
-     (Str.replace_first (Str.regexp "\.ann$") "" (U.string_of_uri uri))))
-;;
-
-(* get_ann : uri -> filename *)
-(* If uri is the URI of an annotation, the annotation file is processed *)
-let get_ann = get_file;;
-
-(* get_ann_file_name_and_uri : uri -> filename * annuri *)
-(* If given an URI, it returns the name of the corresponding *)
-(* annotation file and the annotation uri                    *)
-let get_ann_file_name_and_uri uri = 
- let module U = UriManager in
-  let uri = U.string_of_uri uri in
-   let annuri =
-    U.uri_of_string (
-     if Str.string_match (Str.regexp ".*\.ann$") uri 0 then
-      uri
-     else
-      uri ^ ".ann"
-    )
-   in
-    let dir = filedir_of_uri annuri in
-     let fn = dir ^ "/" ^ name_and_ext_of_uri annuri ^ ".xml" in
-      (fn, annuri)
-;;