(*
- * 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_common;;
(* HTTP queries argument parsing *)
+ (* parse encoding ("format" parameter), default is Enc_normal *)
let parse_enc (req: Http_types.request) =
try
(match req#param "format" with
| s -> raise (Http_getter_bad_request ("Invalid format: " ^ s)))
with Http_types.Param_not_found _ -> Enc_normal
;;
-let parse_patch_dtd (req: Http_types.request) =
- match req#param "patch_dtd" with
- | s when String.lowercase s = "yes" -> true
- | s when String.lowercase s = "no" -> false
- | s -> raise (Http_getter_bad_request ("Invalid patch_dtd value: " ^ s))
+ (* parse "patch_dtd" parameter, default is true *)
+let parse_patch (req: Http_types.request) =
+ try
+ (match req#param "patch_dtd" with
+ | s when String.lowercase s = "yes" -> true
+ | s when String.lowercase s = "no" -> false
+ | s -> raise (Http_getter_bad_request ("Invalid patch_dtd value: " ^ s)))
+ with Http_types.Param_not_found _ -> true
;;
+ (* parse output format ("format" parameter), no default value *)
let parse_output_format (req: Http_types.request) =
match req#param "format" with
| s when String.lowercase s = "txt" -> Fmt_text
| s when String.lowercase s = "xml" -> Fmt_xml
| s -> raise (Http_getter_bad_request ("Invalid /ls format: " ^ s))
;;
+ (* parse "baseuri" format for /ls method, no default value *)
let parse_ls_uri =
let parse_ls_RE = Pcre.regexp "^(\\w+):(.*)$" in
let trailing_slash_RE = Pcre.regexp "/+$" in
(* global maps, shared by all threads *)
-let xml_map = new Http_getter_map.map Http_getter_env.xml_dbm in
+let cic_map = new Http_getter_map.map Http_getter_env.cic_dbm in
+let nuprl_map = new Http_getter_map.map Http_getter_env.nuprl_dbm in
let rdf_map = new Http_getter_map.map Http_getter_env.rdf_dbm in
let xsl_map = new Http_getter_map.map Http_getter_env.xsl_dbm in
-let save_maps () = xml_map#close; rdf_map#close; xsl_map#close in
+let save_maps () =
+ cic_map#close; nuprl_map#close; rdf_map#close; xsl_map#close in
let map_of_uri = function
- | uri when is_xml_uri uri -> xml_map
+ | uri when is_cic_uri uri -> cic_map
+ | uri when is_nuprl_uri uri -> nuprl_map
| uri when is_rdf_uri uri -> rdf_map
| uri when is_xsl_uri uri -> xsl_map
| uri -> raise (Http_getter_unresolvable_URI uri)
in
-let resolve uri = (map_of_uri uri)#resolve uri in
+let resolve uri =
+ try
+ (map_of_uri uri)#resolve uri
+ with Http_getter_map.Key_not_found _ ->
+ raise (Http_getter_unresolvable_URI uri)
+in
let register uri = (map_of_uri uri )#add uri in
let return_all_foo_uris map doctype filter outchan =
(** return all URIs contained in 'map' which satisfy predicate 'filter'; URIs
output_string outchan (sprintf "\t<uri value=\"%s\" />\n" uri));
output_string outchan (sprintf "</%s>\n" doctype)
in
-let return_all_xml_uris = return_all_foo_uris xml_map "alluris" in
+let return_all_xml_uris = return_all_foo_uris cic_map "alluris" in
let return_all_rdf_uris = return_all_foo_uris rdf_map "allrdfuris" in
let return_ls =
let (++) (oldann, oldtypes, oldbody) (newann, newtypes, newbody) =
((if newann > oldann then newann else oldann),
(if newtypes > oldtypes then newtypes else oldtypes),
- (if newbody > oldbody then newbody else oldbody))
- in
+ (if newbody > oldbody then newbody else oldbody))
+ in
let basepart_RE =
Pcre.regexp "^([^.]*\\.[^.]*)((\\.body)|(\\.types))?(\\.ann)?"
in
let oldflags =
try
Hashtbl.find objs basepart
- with Not_found -> (false, No, No) (* no ann, no types no body *)
+ with Not_found -> (false, No, No) (* no ann, no types, no body *)
in
let newflags =
match o with
in
Hashtbl.replace objs basepart (oldflags ++ newflags)
in
- xml_map#iter (* BLEARGH Dbm module lacks support for fold-like functions *)
+ cic_map#iter (* BLEARGH Dbm module lacks support for fold-like functions *)
(fun key _ ->
match key with
| uri when Pcre.pmatch ~rex:dir_RE uri -> (* directory hit *)
in
Http_daemon.respond
~headers:(("Content-Type", "text/plain") :: common_headers)
- ~body outchan
+ ~body outchan
| Fmt_xml ->
let body =
sprintf
in
Http_daemon.respond
~headers:(("Content-Type", "text/xml") :: common_headers)
- ~body outchan
+ ~body outchan
in
let (index_line_sep_RE, index_sep_RE, trailing_types_RE,
- heading_cic_RE, heading_theory_RE,
+ heading_cic_RE, heading_theory_RE, heading_nuprl_RE,
heading_rdf_cic_RE, heading_rdf_theory_RE) =
- (Pcre.regexp "[ \t]+", Pcre.regexp "\n+", Pcre.regexp "\\.types$",
- Pcre.regexp "^cic:", Pcre.regexp "^theory:",
+ (Pcre.regexp "[ \t]+", Pcre.regexp "\r\n|\r|\n",
+ Pcre.regexp "\\.types$",
+ Pcre.regexp "^cic:", Pcre.regexp "^theory:", Pcre.regexp "^nuprl:",
Pcre.regexp "^helm:rdf.*//cic:", Pcre.regexp "^helm:rdf.*//theory:")
in
let update_from_server logmsg server_url = (* use global maps *)
Pcre.replace ~rex:heading_cic_RE ~templ:server_url uri
| uri when (Pcre.pmatch ~rex:heading_theory_RE uri) ->
Pcre.replace ~rex:heading_theory_RE ~templ:server_url uri
+ | uri when (Pcre.pmatch ~rex:heading_nuprl_RE uri) ->
+ Pcre.replace ~rex:heading_nuprl_RE ~templ:server_url uri
| uri -> raise (Http_getter_invalid_URI uri)
in
let rdf_url_of_uri = function (* TODO as above *)
| Some xml_index ->
(log := !log ^ "Updating XML db ...<br />\n";
List.iter
- (fun l ->
- try
- (match Pcre.split ~rex:index_line_sep_RE l with
- | [uri; "gz"] -> xml_map#add uri ((xml_url_of_uri uri) ^ ".xml.gz")
- | [uri] -> xml_map#add uri ((xml_url_of_uri uri) ^ ".xml")
- | _ -> log := !log ^ "Ignoring invalid line: " ^ l ^ "<br />\n")
- with Http_getter_invalid_URI uri ->
- log := !log ^ "Ignoring invalid XML URI: " ^ uri ^ "<br />\n")
- (Pcre.split ~rex:index_sep_RE xml_index)) (* xml_index lines *)
+ (function
+ | l when is_blank_line l -> () (* skip blank and commented lines *)
+ | l ->
+ try
+ (match Pcre.split ~rex:index_line_sep_RE l with
+ | [uri; "gz"] ->
+ assert (is_cic_uri uri || is_nuprl_uri uri) ;
+ (map_of_uri uri)#add uri ((xml_url_of_uri uri) ^ ".xml.gz")
+ | [uri] ->
+ assert (is_cic_uri uri || is_nuprl_uri uri) ;
+ (map_of_uri uri)#add uri ((xml_url_of_uri uri) ^ ".xml")
+ | _ ->
+ log := !log ^ "Ignoring invalid line: '" ^ l ^ "'<br />\n")
+ with Http_getter_invalid_URI uri ->
+ log := !log ^ "Ignoring invalid XML URI: '" ^ uri ^ "'<br />\n")
+ (Pcre.split ~rex:index_sep_RE xml_index)) (* xml_index lines *)
| None -> ());
(match rdf_index with
| Some rdf_index ->
debug_print ("Connection from " ^ req#clientAddr);
debug_print ("Received request: " ^ req#path);
(match req#path with
- | "/help" -> return_html_msg Http_getter_const.usage_string outchan
+ | "/help" -> return_html_raw Http_getter_const.usage_string outchan
| "/getxml" | "/getxslt" | "/getdtd" | "/resolve" | "/register" ->
(let uri = req#param "uri" in (* common parameter *)
match req#path with
| "/getxml" ->
let enc = parse_enc req in
- let patch_dtd =
- try parse_patch_dtd req with Http_types.Param_not_found _ -> true
- in
+ let patch = parse_patch req in
Http_getter_cache.respond_xml
- ~url:(resolve uri) ~uri ~enc ~patch_dtd outchan
+ ~url:(resolve uri) ~uri ~enc ~patch outchan
| "/getxslt" ->
- let patch_dtd =
- try parse_patch_dtd req with Http_types.Param_not_found _ -> true
- in
- Http_getter_cache.respond_xsl ~url:(resolve uri) ~patch_dtd outchan
+ let patch = parse_patch req in
+ Http_getter_cache.respond_xsl ~url:(resolve uri) ~patch outchan
| "/getdtd" ->
- let patch_dtd =
- try parse_patch_dtd req with Http_types.Param_not_found _ -> true
- in
+ let patch = parse_patch req in
Http_getter_cache.respond_dtd
- ~patch_dtd ~url:(Http_getter_env.dtd_dir ^ "/" ^ uri) outchan
+ ~patch ~url:(Http_getter_env.dtd_dir ^ "/" ^ uri) outchan
| "/resolve" ->
(try
- return_xml_msg
+ return_xml_raw
(sprintf "<url value=\"%s\" />\n" (resolve uri))
outchan
with Http_getter_unresolvable_URI uri ->
- return_xml_msg "<unresolved />\n" outchan)
+ return_xml_raw "<unresolved />\n" outchan)
| "/register" ->
let url = req#param "url" in
register uri url;
return_html_msg "Register done" outchan
| _ -> assert false)
| "/update" ->
- (xml_map#clear; rdf_map#clear; xsl_map#clear;
+ (Http_getter_env.reload (); (* reload servers list from servers file *)
+ cic_map#clear; nuprl_map#clear; rdf_map#clear; xsl_map#clear;
let log =
List.fold_left
update_from_server
"" (* initial logmsg: empty *)
(* reverse order: 1st server is the most important one *)
- (List.rev Http_getter_env.servers)
+ (List.rev !Http_getter_env.servers)
in
- xml_map#sync; rdf_map#sync; xsl_map#sync;
+ cic_map#sync; nuprl_map#sync; rdf_map#sync; xsl_map#sync;
return_html_msg log outchan)
| "/getalluris" ->
return_all_xml_uris
projects / helm.git / blobdiff