A lot of changes to support the new UWOBO stylesheet processor:

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

diff --git a/helm/interface/xsltProcessor.ml b/helm/interface/xsltProcessor.ml
index c82a8f5f8c960e0c94d8b99c1eccf4baa8be9a05..ec3d9fdb05c8f4c18462e2ae7a183324f414fd43 100644 (file)
--- a/helm/interface/xsltProcessor.ml
+++ b/helm/interface/xsltProcessor.ml
@@ -1,64 +1,29 @@
-exception XsltProcessorCouldNotSend;;
-exception XsltProcessorCouldNotReceive;;
+(* 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/.
+ *)
 
-let portserver = 12345;;
-let portclient = 12346;;
-let time_to_wait = 10;;
+let initialize = XsltProcessorHTTP.initialize
+
+let process = XsltProcessorHTTP.process
 
-let rec process uri usecache mode =
- let module U = Unix in
-  let uri = UriManager.string_of_uri uri in
-  let pid = string_of_int (U.getpid ())
-  and filename' =
-   let uri' = Str.replace_first (Str.regexp ".*:") "" uri in
-    Str.global_replace (Str.regexp "/") "_"
-     (Str.global_replace (Str.regexp "_") "__" uri')
-  in let tmpfile = "/tmp/helm_" ^ filename' ^ "_" ^ pid in
-   (* test if the cache can be used *)
-   let tmp_file_exists = Sys.file_exists tmpfile in
-    if usecache && tmp_file_exists then
-     tmpfile
-    else
-     let url = Configuration.getter_url ^ uri in
-      (* purge the cache if asked to *)
-      if not usecache && tmp_file_exists then
-        Sys.remove tmpfile ;
-      let string_to_send = mode ^ " " ^ url ^ " " ^ tmpfile in
-      (* next function is for looping in case the server is not responding *)
-      let rec contact_server () =
-       let socketclient = U.socket U.PF_INET U.SOCK_DGRAM 0
-       and socketserver = U.socket U.PF_INET U.SOCK_DGRAM 0 in
-        let bounded = ref false in
-         while not !bounded do
-          try
-           U.bind socketclient (U.ADDR_INET(U.inet_addr_any,portclient)) ;
-           bounded := true
-          with _ ->
-           print_endline "Port unavailable. Retrying..." ; flush stdout ;
-           U.sleep 5  (* wait hoping the inetaddr is released *)
-         done ;
-         let n =
-          U.sendto socketserver string_to_send 0 (String.length string_to_send)
-           [] (U.ADDR_INET(U.inet_addr_any,portserver))
-         in
-          if n = -1 then raise XsltProcessorCouldNotSend ;
-          U.close socketserver ;
-          let process_signal _ = U.close socketclient in
-          Sys.set_signal Sys.sigalrm (Sys.Signal_handle process_signal) ;
-          (* if the server does not respond, repeat the query *)
-          ignore (U.alarm time_to_wait) ;
-          try
-           if U.recv socketclient "" 0 0 [] = -1 then
-            raise XsltProcessorCouldNotReceive ;
-           ignore (U.alarm 0) ; (* stop the bomb *)
-           Sys.set_signal Sys.sigalrm Sys.Signal_default ;
-           U.close socketclient ;
-           tmpfile
-          with
-           U.Unix_error(_,"recv",_) ->
-            print_endline "Xaland server not responding. Retrying..." ;
-            flush stdout;
-            contact_server ()
-        in
-         contact_server ()
-;;