(*
- * Copyright (C) 2003, HELM Team.
+ * Copyright (C) 2003:
+ * 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
* MA 02111-1307, USA.
*
* For details, see the HELM World-Wide-Web page,
- * http://cs.unibo.it/helm/.
+ * http://helm.cs.unibo.it/
*)
open Http_getter_types;;
| Enc_normal -> "Normal"
| Enc_gzipped -> "GZipped"
-let is_cic_uri uri = Pcre.pmatch ~pat:"^cic:" uri
+let is_cic_obj_uri uri = Pcre.pmatch ~pat:"^cic:" uri
let is_theory_uri uri = Pcre.pmatch ~pat:"^theory:" uri
-let is_xml_uri uri = is_cic_uri uri || is_theory_uri uri
+let is_cic_uri uri = is_cic_obj_uri uri || is_theory_uri uri
+let is_nuprl_uri uri = Pcre.pmatch ~pat:"^nuprl:" uri
let is_rdf_uri uri = Pcre.pmatch ~pat:"^helm:rdf(.*):(.*)//(.*)" uri
let is_xsl_uri uri = Pcre.pmatch ~pat:"^\\w+\\.xsl" uri
| [ prefix; uri ] ->
let rest =
match http_getter_uri_of_string uri with
- | Xml_uri xmluri -> xmluri
+ | Cic_uri xmluri -> xmluri
| _ -> raise (Http_getter_invalid_URI uri)
in
Rdf_uri (prefix, rest)
| _ -> raise (Http_getter_invalid_URI uri))
- | uri when is_cic_uri uri -> Xml_uri (Cic (Pcre.replace ~pat:"^cic:" uri))
+ | uri when is_cic_uri uri -> Cic_uri (Cic (Pcre.replace ~pat:"^cic:" uri))
+ | uri when is_nuprl_uri uri -> Nuprl_uri (Pcre.replace ~pat:"^nuprl:" uri)
| uri when is_theory_uri uri ->
- Xml_uri (Theory (Pcre.replace ~pat:"^theory:" uri))
+ Cic_uri (Theory (Pcre.replace ~pat:"^theory:" uri))
| uri -> raise (Http_getter_invalid_URI uri)
let patch_xml line =
let return_html_error = mk_return_fun pp_error "text/html"
let return_html_internal_error = mk_return_fun pp_internal_error "text/html"
let return_html_msg = mk_return_fun pp_msg "text/html"
-let return_xml_msg = mk_return_fun null_pp "text/xml"
-let return_file ~fname ?contype ?contenc ?(patch_fun = fun x -> x) outchan =
+let return_html_raw = mk_return_fun null_pp "text/html"
+let return_xml_raw = mk_return_fun null_pp "text/xml"
+let return_file
+ ~fname ?contype ?contenc ?(patch_fun = fun x -> x) ?(gunzip = false) outchan
+ =
let headers =
match (contype, contenc) with
| (Some t, Some e) -> ["Content-Encoding", e; "Content-Type", t]
Http_daemon.send_basic_headers ~code:200 outchan;
Http_daemon.send_headers headers outchan;
Http_daemon.send_CRLF outchan;
- Http_getter_misc.iter_file
- (fun line -> output_string outchan (patch_fun line ^ "\n"))
- fname
+ if gunzip then begin (* gunzip needed, uncompress file, apply patch_fun to
+ it, compress the result and sent it to client *)
+ let (tmp1, tmp2) =
+ (Http_getter_misc.tempfile (), Http_getter_misc.tempfile ())
+ in
+ Http_getter_misc.gunzip ~keep:true ~output:tmp1 fname; (* gunzip to tmp1 *)
+ let new_file = open_out tmp2 in
+ Http_getter_misc.iter_file (* tmp2 = patch(tmp1) *)
+ (fun line -> output_string new_file (patch_fun line ^ "\n"))
+ tmp1;
+ close_out new_file;
+ Http_getter_misc.gzip ~output:tmp1 tmp2; (* tmp1 = gzip(tmp2); rm tmp2 *)
+ Http_getter_misc.iter_file (* send tmp1 to client as is*)
+ (fun line -> output_string outchan (line ^ "\n"))
+ tmp1;
+ Sys.remove tmp1 (* rm tmp1 *)
+ end else (* no need to gunzip, apply patch_fun directly to file *)
+ Http_getter_misc.iter_file
+ (fun line -> output_string outchan (patch_fun line ^ "\n"))
+ fname
+;;
let return_400 body outchan = Http_daemon.respond_error ~code:400 ~body outchan