let string_of_ls_flag = function No -> "NO" | Yes -> "YES" | Ann -> "ANN"
let string_of_encoding = function
- | Enc_normal -> "Normal"
- | Enc_gzipped -> "GZipped"
+ | `Normal -> "Normal"
+ | `Gzipped -> "GZipped"
let is_cic_obj_uri uri = Pcre.pmatch ~pat:"^cic:" uri
let is_theory_uri uri = Pcre.pmatch ~pat:"^theory:" uri
in
Rdf_uri (prefix, rest)
| _ -> raise (Invalid_URI uri))
- | uri when is_cic_uri uri -> Cic_uri (Cic (Pcre.replace ~pat:"^cic:" uri))
+ | uri when is_cic_obj_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 ->
Cic_uri (Theory (Pcre.replace ~pat:"^theory:" uri))
| uri -> raise (Invalid_URI uri)
-let patch_xml line =
- Pcre.replace
- ~pat:(sprintf "DOCTYPE (.*) SYSTEM\\s+\"%s/"
- (Lazy.force Http_getter_env.dtd_base_url))
- ~templ:(sprintf "DOCTYPE $1 SYSTEM \"%s/getdtd?uri="
- (Lazy.force Http_getter_env.my_own_url))
- line
-let patch_xsl line =
- let mk_patch_fun tag line =
- Pcre.replace
- ~pat:(sprintf "%s\\s+href=\"" tag)
- ~templ:(sprintf "%s href=\"%s/getxslt?uri="
- tag (Lazy.force Http_getter_env.my_own_url))
- line
+let patch_xsl ?(via_http = true) () =
+ fun line ->
+ let mk_patch_fun tag line =
+ Pcre.replace
+ ~pat:(sprintf "%s\\s+href=\"" tag)
+ ~templ:(sprintf "%s href=\"%s/getxslt?uri="
+ tag (Lazy.force Http_getter_env.my_own_url))
+ line
+ in
+ let (patch_import, patch_include) =
+ (mk_patch_fun "xsl:import", mk_patch_fun "xsl:include")
+ in
+ patch_include (patch_import line)
+
+let patch_system kind ?(via_http = true) () =
+ let rex =
+ Pcre.regexp (sprintf "%s (.*) SYSTEM\\s+\"((%s)/)?" kind
+ (String.concat "|" (Lazy.force Http_getter_env.dtd_base_urls)))
in
- let (patch_import, patch_include) =
- (mk_patch_fun "xsl:import", mk_patch_fun "xsl:include")
+ let templ =
+ if via_http then
+ sprintf "%s $1 SYSTEM \"%s/getdtd?uri=" kind
+ (Lazy.force Http_getter_env.my_own_url)
+ else
+ sprintf "%s $1 SYSTEM \"file://%s/" kind
+ (Lazy.force Http_getter_env.dtd_dir)
in
- patch_include (patch_import line)
-let patch_dtd line =
- Pcre.replace
- ~pat:"ENTITY (.*) SYSTEM\\s+\""
- ~templ:(sprintf "ENTITY $1 SYSTEM \"%s/getdtd?uri="
- (Lazy.force Http_getter_env.my_own_url))
- line
+ fun line -> Pcre.replace ~rex ~templ line
-let pp_error s =
- sprintf "<html><body>Http Getter error: %s</body></html>" s
-let pp_internal_error s =
- sprintf "<html><body>Http Getter Internal error: %s</body></html>" s
-let pp_msg s = sprintf "<html><body>%s</body></html>" s
-let null_pp s = s
+let patch_entity = patch_system "ENTITY"
+let patch_doctype = patch_system "DOCTYPE"
+
+let patch_xmlbase =
+ let rex = Pcre.regexp "^(\\s*<\\w[^ ]*)(\\s|>)" in
+ fun xmlbases baseurl baseuri s ->
+ let s' =
+ Pcre.replace ~rex
+ ~templ:(sprintf "$1 xml:base=\"%s\" helm:base=\"%s\"$2" baseurl baseuri)
+ s
+ in
+ if s <> s' then xmlbases := None;
+ s'
-let mk_return_fun pp_fun contype msg outchan =
- Http_daemon.respond
- ~body:(pp_fun msg) ~headers:["Content-Type", contype] outchan
+let patch_dtd = patch_entity
+let patch_xml ?via_http ?xmlbases () =
+ let xmlbases = ref xmlbases in
+ fun line ->
+ match !xmlbases with
+ | None -> patch_doctype ?via_http () (patch_entity ?via_http () line)
+ | Some (xmlbaseuri, xmlbaseurl) ->
+ patch_xmlbase xmlbases xmlbaseurl xmlbaseuri
+ (patch_doctype ?via_http () (patch_entity ?via_http () 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_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
+ ~fname ?contype ?contenc
+ ?(patch_fun = fun x -> x) ?(gunzip = false) ?(via_http = true) outchan
=
let headers =
match (contype, contenc) with
| (None, Some e) -> ["Content-Encoding", e]
| (None, None) -> []
in
- Http_daemon.send_basic_headers ~code:200 outchan;
- Http_daemon.send_headers headers outchan;
- Http_daemon.send_CRLF outchan;
+ if via_http then begin
+ Http_daemon.send_basic_headers ~code:(`Code 200) outchan;
+ Http_daemon.send_headers headers outchan;
+ Http_daemon.send_CRLF outchan
+ end;
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 *)
+ try
+ 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");
+ flush outchan)
+ 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"); flush outchan)
+ tmp1;
+ Sys.remove tmp1 (* rm tmp1 *)
+ with e ->
+ Sys.remove tmp1;
+ raise e
+ end else begin (* 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
+ (fun line -> output_string outchan (patch_fun line ^ "\n"); flush outchan)
+ fname;
+ end
;;
-let return_400 body outchan = Http_daemon.respond_error ~code:400 ~body outchan