(*
- * Copyright (C) 2000, 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
+let is_blank_line =
+ let blank_line_RE = Pcre.regexp "(^#)|(^\\s*$)" in
+ fun line ->
+ Pcre.pmatch ~rex:blank_line_RE line
+
let rec http_getter_uri_of_string = function
| uri when is_rdf_uri uri ->
(match Pcre.split ~pat:"//" uri with
| [ 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_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) outchan =
let headers =
match (contype, contenc) with
- | (Some t, Some e) -> [ "Content-Type", t; "Content-Enconding", e ]
- | (Some t, None) -> [ "Content-Type" , t ]
- | (None, Some e) -> [ "Content-Enconding", e ]
+ | (Some t, Some e) -> ["Content-Encoding", e; "Content-Type", t]
+ | (Some t, None) -> ["Content-Type" , t]
+ | (None, Some e) -> ["Content-Encoding", e]
| (None, None) -> []
in
Http_daemon.send_basic_headers ~code:200 outchan;
fname
let return_400 body outchan = Http_daemon.respond_error ~code:400 ~body outchan
-let wget ?output url =
- let flags =
- (match output with Some file -> ["-O"; file] | None -> []) @ [url]
- in
- Shell.call
- ~stdout:Shell.to_dev_null ~stderr:Shell.to_dev_null
- [Shell.cmd "wget" flags]
-
- (* TODO gzip and gunzip create executables file, but umask seems to be
- correctly inherited from the shell .... boh *)
-
- (* stderr shown as usual *)
-let gzip ?(keep = false) fname =
- if keep then (* keep original file *)
- Shell.call
- ~stdout:(Shell.to_file (fname ^ ".gz"))
- [Shell.cmd "gzip" ["-f"; "-c"; fname]]
- else (* don't keep original file *)
- Shell.call [Shell.cmd "gzip" ["-f"; fname]]
-
- (* stderr shown as usual *)
-let gunzip ?(keep = false) fname =
- if not (Pcre.pmatch ~pat:"\\.gz$" fname) then
- failwith "gunzip: source file doesn't end with '.gz'";
- let basename = Pcre.replace ~pat:"\\.gz$" fname in
- if keep then (* keep original file *)
- Shell.call
- ~stdout:(Shell.to_file basename)
- [Shell.cmd "gunzip" ["-f"; "-c"; fname]]
- else (* don't keep original file *)
- Shell.call [Shell.cmd "gunzip" ["-f"; fname]]
-
-let tempfile () =
- let buf = Buffer.create 28 in (* strlen("/tmp/fileSzb3Mw_http_getter") *)
- Shell.call
- ~stdout:(Shell.to_buffer buf)
- [Shell.cmd "tempfile" ["--suffix=_http_getter"]];
- Pcre.replace ~pat:"\n" (Buffer.contents buf)
-