(*
- * Copyright (C) 2000, HELM Team.
+ * Copyright (C) 2003-2004:
+ * 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/
*)
-(* TODO optimization: precompile almost all regexp *)
+open Printf
-open Http_getter_common;;
-open Http_getter_types;;
-open Printf;;
+open Http_getter_common
+open Http_getter_misc
+open Http_getter_debugger
+open Http_getter_types
- (* debugging settings *)
-let debug = true;;
-let debug_print s = if debug then prerr_endline ("[HTTP-Getter] " ^ s);;
-let http_debug = false;;
-Http_common.debug := http_debug;;
+let (index_line_sep_RE, index_sep_RE, trailing_types_RE,
+ heading_cic_RE, heading_theory_RE, heading_nuprl_RE,
+ heading_rdf_cic_RE, heading_rdf_theory_RE) =
+ (Pcre.regexp "[ \t]+", Pcre.regexp "\r\n|\r|\n",
+ Pcre.regexp "\\.types$",
+ Pcre.regexp "^cic:", Pcre.regexp "^theory:", Pcre.regexp "^nuprl:",
+ Pcre.regexp "^helm:rdf.*//cic:", Pcre.regexp "^helm:rdf.*//theory:")
-let http_get url =
-(* debug_print ("Downloading URL: " ^ url); *)
- try
- Some (Http_client.Convenience.http_get url)
- with Http_client.Http_error (code, _) -> None
-(*
- (debug_print
- (sprintf "Failed to download %s, HTTP response was %d" url code);
- None)
-*)
-;;
+ (* global maps, shared by all threads *)
-let parse_enc (req: Http_types.request) =
- try
- (match req#param "format" with
- | "normal" -> Enc_normal
- | "gz" -> Enc_gzipped
- | s -> raise (Http_getter_bad_request ("Invalid format: " ^ s)))
- with Http_types.Param_not_found _ -> Enc_normal
-;;
-let parse_patch_dtd (req: Http_types.request) =
- match req#param "patch_dtd" with
- | s when String.lowercase s = "yes" -> true
- | s when String.lowercase s = "no" -> false
- | s -> raise (Http_getter_bad_request ("Invalid patch_dtd value: " ^ s))
-;;
-let parse_output_format (req: Http_types.request) =
- match req#param "format" with
- | s when String.lowercase s = "txt" -> Fmt_text
- | s when String.lowercase s = "xml" -> Fmt_xml
- | s -> raise (Http_getter_bad_request ("Invalid /ls format: " ^ s))
-;;
-let parse_ls_uri (req: Http_types.request) =
- let baseuri = req#param "baseuri" in
- let subs =
- Pcre.extract ~pat:"^(\\w+):(.*)$" (Pcre.replace ~pat:"/+$" baseuri)
- in
- match (subs.(1), subs.(2)) with
- | "cic", uri -> Cic uri
- | "theory", uri -> Theory uri
- | _ -> raise (Http_getter_bad_request ("Invalid /ls baseuri: " ^ baseuri))
-;;
+let cic_map = new Http_getter_map.map Http_getter_env.cic_dbm
+let nuprl_map = new Http_getter_map.map Http_getter_env.nuprl_dbm
+let rdf_map = new Http_getter_map.map Http_getter_env.rdf_dbm
+let xsl_map = new Http_getter_map.map Http_getter_env.xsl_dbm
-let xml_map = new Http_getter_map.map Http_getter_env.xml_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 maps = [ cic_map; nuprl_map; rdf_map; xsl_map ]
+let close_maps () = List.iter (fun m -> m#close) maps
+let clear_maps () = List.iter (fun m -> m#clear) maps
+let sync_maps () = List.iter (fun m -> m#sync) maps
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 register uri = (map_of_uri uri )#add uri in
-let return_all_foo_uris map doctype filter outchan =
- Http_daemon.send_basic_headers ~code:200 outchan;
- Http_daemon.send_header "Content-Type" "text/xml" outchan;
- Http_daemon.send_CRLF outchan;
- output_string
- outchan
- (sprintf
-"<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>
-<!DOCTYPE %s SYSTEM \"%s/getdtd?uri=%s.dtd\">
+ | uri -> raise (Unresolvable_URI uri)
+
+let update_from_server logmsg server_url = (* use global maps *)
+ debug_print ("Updating information from " ^ server_url);
+ let xml_url_of_uri = function
+ (* TODO missing sanity checks on server_url, e.g. it can contains $1 *)
+ | uri when (Pcre.pmatch ~rex:heading_cic_RE uri) ->
+ 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 (Invalid_URI uri)
+ in
+ let rdf_url_of_uri = function (* TODO as above *)
+ | uri when (Pcre.pmatch ~rex:heading_rdf_cic_RE uri) ->
+ Pcre.replace ~rex:heading_rdf_cic_RE ~templ:server_url uri
+ | uri when (Pcre.pmatch ~rex:heading_rdf_theory_RE uri) ->
+ Pcre.replace ~rex:heading_rdf_theory_RE ~templ:server_url uri
+ | uri -> raise (Invalid_URI uri)
+ in
+ let log = ref (`T ("Processing server: " ^ server_url) :: logmsg) in
+ let (xml_index, rdf_index, xsl_index) =
+ (* TODO keeps index in memory, is better to keep them on temp files? *)
+ (http_get (server_url ^ "/" ^ Http_getter_env.xml_index),
+ http_get (server_url ^ "/" ^ Http_getter_env.rdf_index),
+ http_get (server_url ^ "/" ^ Http_getter_env.xsl_index))
+ in
+ if (xml_index = None && rdf_index = None && xsl_index = None) then
+ debug_print (sprintf "Warning: useless server %s" server_url);
+ (match xml_index with
+ | Some xml_index ->
+ (log := `T "Updating XML db ...<br />" :: !log;
+ List.iter
+ (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)#replace
+ uri ((xml_url_of_uri uri) ^ ".xml.gz")
+ | [uri] ->
+ assert (is_cic_uri uri || is_nuprl_uri uri) ;
+ (map_of_uri uri)#replace
+ uri ((xml_url_of_uri uri) ^ ".xml")
+ | _ -> log := `T ("Ignoring invalid line: '" ^ l) :: !log)
+ with Invalid_URI uri ->
+ log := `T ("Ignoring invalid XML URI: '" ^ l) :: !log))
+ (Pcre.split ~rex:index_sep_RE xml_index); (* xml_index lines *)
+ log := `T "All done" :: !log)
+ | None -> ());
+ (match rdf_index with
+ | Some rdf_index ->
+ (log := `T "Updating RDF db ..." :: !log;
+ List.iter
+ (fun l ->
+ try
+ (match Pcre.split ~rex:index_line_sep_RE l with
+ | [uri; "gz"] ->
+ rdf_map#replace uri
+ ((rdf_url_of_uri uri) ^ ".xml.gz")
+ | [uri] ->
+ rdf_map#replace uri ((rdf_url_of_uri uri) ^ ".xml")
+ | _ -> log := `T ("Ignoring invalid line: '" ^ l) :: !log)
+ with Invalid_URI uri ->
+ log := `T ("Ignoring invalid RDF URI: '" ^ l) :: !log)
+ (Pcre.split ~rex:index_sep_RE rdf_index); (* rdf_index lines *)
+ log := `T "All done" :: !log)
+ | None -> ());
+ (match xsl_index with
+ | Some xsl_index ->
+ (log := `T "Updating XSLT db ..." :: !log;
+ List.iter
+ (fun l -> xsl_map#replace l (server_url ^ "/" ^ l))
+ (Pcre.split ~rex:index_sep_RE xsl_index);
+ log := `T "All done" :: !log)
+ | None -> ());
+ debug_print "done with this server";
+ !log
+
+let update_from_all_servers () = (* use global maps *)
+ clear_maps ();
+ let log =
+ List.fold_left
+ update_from_server
+ [] (* initial logmsg: empty *)
+ (* reverse order: 1st server is the most important one *)
+ (List.map snd (List.rev (Http_getter_env.servers ())))
+ in
+ sync_maps ();
+ `Msg (`L (List.rev log))
+
+let update_from_one_server server_url =
+ let log = update_from_server [] server_url in
+ `Msg (`L (List.rev log))
+
+let temp_file_of_uri uri =
+ let flat_string s s' c =
+ let cs = String.copy s in
+ for i = 0 to (String.length s) - 1 do
+ if String.contains s' s.[i] then cs.[i] <- c
+ done;
+ cs
+ in
+ let user = try Unix.getlogin () with _ -> "" in
+ Filename.open_temp_file (user ^ flat_string uri ".-=:;!?/&" '_') ""
+
+(* API *)
+
+let help () = Http_getter_const.usage_string (Http_getter_env.env_to_string ())
+
+let resolve uri =
+ try
+ (map_of_uri uri)#resolve uri
+ with Http_getter_map.Key_not_found _ -> raise (Unresolvable_URI uri)
+
+ (* Warning: this fail if uri is already registered *)
+let register ~uri ~url = (map_of_uri uri)#add uri url
+
+let update () = update_from_all_servers ()
+
+let getxml ?(format = Enc_normal) ?(patch_dtd = true) uri =
+ let url = resolve uri in
+ let (fname, outchan) = temp_file_of_uri uri in
+ Http_getter_cache.respond_xml ~uri ~url ~enc:format ~patch:patch_dtd outchan;
+ close_out outchan;
+ fname
+
+let getxslt ?(patch_dtd = true) uri =
+ let url = resolve uri in
+ let (fname, outchan) = temp_file_of_uri uri in
+ Http_getter_cache.respond_xsl ~url ~patch:patch_dtd outchan;
+ close_out outchan;
+ fname
+
+let getdtd ?(patch_dtd = true) uri =
+ let url = Http_getter_env.dtd_dir ^ "/" ^ uri in
+ let (fname, outchan) = temp_file_of_uri uri in
+ Http_getter_cache.respond_dtd ~url ~patch:patch_dtd outchan;
+ close_out outchan;
+ fname
-<%s>
-"
- doctype
- Http_getter_env.my_own_url
- doctype
- doctype);
- map#iter
- (fun uri _ ->
- if filter uri then
- 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_rdf_uris = return_all_foo_uris rdf_map "allrdfuris" in
-let return_ls =
- let (++) (oldann, oldtypes, oldbody) (newann, newtypes, newbody) =
+let clean_cache () = Http_getter_cache.clean ()
+
+let list_servers () = Http_getter_env.servers ()
+
+let add_server ?(position = 0) name =
+ if position = 0 then begin
+ Http_getter_env.add_server ~position:0 name;
+ update_from_one_server name (* quick update (new server only) *)
+ end else if position > 0 then begin
+ Http_getter_env.add_server ~position name;
+ update ()
+ end else (* already checked bt parse_position *)
+ assert false
+
+let remove_server position =
+ let server_name =
+ try
+ List.assoc position (Http_getter_env.servers ())
+ with Not_found ->
+ raise (Invalid_argument (sprintf "no server with position %d" position))
+ in
+ Http_getter_env.remove_server position;
+ update ()
+
+let return_uris map filter =
+ let uris = ref [] in
+ map#iter (fun uri _ -> if filter uri then uris := uri :: !uris);
+ List.rev !uris
+
+let getalluris () =
+ let filter uri =
+ (Pcre.pmatch ~rex:heading_cic_RE uri) &&
+ not (Pcre.pmatch ~rex:trailing_types_RE uri)
+ in
+ return_uris cic_map filter
+
+let getallrdfuris classs =
+ let filter =
+ let base = "^helm:rdf:www\\.cs\\.unibo\\.it/helm/rdf/" in
+ match classs with
+ | `Forward -> (fun uri -> Pcre.pmatch ~pat:(base ^ "forward") uri)
+ | `Backward -> (fun uri -> Pcre.pmatch ~pat:(base ^ "backward") uri)
+ in
+ return_uris rdf_map filter
+
+let ls =
+ let (++) (oldann, oldtypes, oldbody, oldtree)
+ (newann, newtypes, newbody, newtree) =
((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),
+ (if newtree > oldtree then newtree else oldtree))
+ in
let basepart_RE =
- Pcre.regexp "^([^.]*\\.[^.]*)((\\.body)|(\\.types))?(\\.ann)?"
+ Pcre.regexp
+ "^([^.]*\\.[^.]*)((\\.body)|(\\.proof_tree)|(\\.types))?(\\.ann)?$"
in
- let (types_RE, types_ann_RE, body_RE, body_ann_RE) =
- (Pcre.regexp "\\.types", Pcre.regexp "\\.types.ann",
- Pcre.regexp "\\.body", Pcre.regexp "\\.body.ann")
+ let (types_RE, types_ann_RE, body_RE, body_ann_RE,
+ proof_tree_RE, proof_tree_ann_RE) =
+ (Pcre.regexp "\\.types$", Pcre.regexp "\\.types\\.ann$",
+ Pcre.regexp "\\.body$", Pcre.regexp "\\.body\\.ann$",
+ Pcre.regexp "\\.proof_tree$", Pcre.regexp "\\.proof_tree\\.ann$")
in
let (slash_RE, til_slash_RE, no_slashes_RE) =
(Pcre.regexp "/", Pcre.regexp "^.*/", Pcre.regexp "^[^/]*$")
in
- fun lsuri fmt outchan ->
+ fun lsuri ->
let pat =
"^" ^
(match lsuri with Cic p -> ("cic:" ^ p) | Theory p -> ("theory:" ^ p))
in
let store_obj o =
let basepart = Pcre.replace ~rex:basepart_RE ~templ:"$1" o in
+ let no_flags = false, No, No, No in
let oldflags =
try
Hashtbl.find objs basepart
- with Not_found -> (false, No, No) (* no ann, no types no body *)
+ with Not_found -> (* no ann, no types, no body, no proof tree *)
+ no_flags
in
let newflags =
match o with
- | s when Pcre.pmatch ~rex:types_RE s -> (false, Yes, No)
- | s when Pcre.pmatch ~rex:types_ann_RE s -> (true, Ann, No)
- | s when Pcre.pmatch ~rex:body_RE s -> (false, No, Yes)
- | s when Pcre.pmatch ~rex:body_ann_RE s -> (true, No, Ann)
- | s -> (false, No, No)
+ | s when Pcre.pmatch ~rex:types_RE s -> (false, Yes, No, No)
+ | s when Pcre.pmatch ~rex:types_ann_RE s -> (true, Ann, No, No)
+ | s when Pcre.pmatch ~rex:body_RE s -> (false, No, Yes, No)
+ | s when Pcre.pmatch ~rex:body_ann_RE s -> (true, No, Ann, No)
+ | s when Pcre.pmatch ~rex:proof_tree_RE s -> (false, No, No, Yes)
+ | s when Pcre.pmatch ~rex:proof_tree_ann_RE s -> (true, No, No, Ann)
+ | s -> no_flags
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 *)
| uri when Pcre.pmatch ~rex:obj_RE uri -> (* file hit *)
store_obj (Pcre.replace ~rex:til_slash_RE uri)
| uri -> () (* miss *));
- match fmt with
- | Fmt_text ->
- let body =
- (List.fold_left
- (fun s d -> sprintf "%sdir, %s\n" s d) ""
- (StringSet.elements !dirs)) ^
- (Http_getter_misc.hashtbl_sorted_fold
- (fun uri (annflag, typesflag, bodyflag) cont ->
- sprintf "%sobject, %s, <%s,%s,%s>\n"
- cont uri (if annflag then "YES" else "NO")
- (string_of_ls_flag typesflag) (string_of_ls_flag bodyflag))
- objs "")
- in
- Http_daemon.respond
- ~headers:["Content-Type", "text/plain"] ~body outchan
- | Fmt_xml ->
- let body =
- sprintf
-"<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>
-<!DOCTYPE ls SYSTEM \"%s/getdtd?uri=ls.dtd\">
-
-<ls>
-%s
-</ls>
-"
- Http_getter_env.my_own_url
- ("\n" ^
- (String.concat
- "\n"
- (List.map
- (fun d -> "<section>" ^ d ^ "</section>")
- (StringSet.elements !dirs))) ^ "\n" ^
- (Http_getter_misc.hashtbl_sorted_fold
- (fun uri (annflag, typesflag, bodyflag) cont ->
- sprintf
-"%s<object name=\"%s\">
-\t<ann value=\"%s\" />
-\t<types value=\"%s\" />
-\t<body value=\"%s\" />
-</object>
-"
- cont uri (if annflag then "YES" else "NO")
- (string_of_ls_flag typesflag)
- (string_of_ls_flag bodyflag))
- objs ""))
- in
- Http_daemon.respond
- ~headers:["Content-Type", "text/xml"] ~body outchan
-in
-let update_from_server logmsg server_url = (* use global maps *)
- debug_print ("Updating information from " ^ server_url);
- let xml_url_of_uri = function
- (* TODO missing sanity checks on server_url, e.g. it can contains $1 *)
- | uri when (Pcre.pmatch ~pat:"^cic:" uri) ->
- Pcre.replace ~pat:"^cic:" ~templ:server_url uri
- | uri when (Pcre.pmatch ~pat:"^theory:" uri) ->
- Pcre.replace ~pat:"^theory:" ~templ:server_url uri
- | uri -> raise (Http_getter_invalid_URI uri)
- in
- let rdf_url_of_uri = function (* TODO as above *)
- | uri when (Pcre.pmatch ~pat:"^helm:rdf.*//cic:" uri) ->
- Pcre.replace ~pat:"^helm:rdf.*//cic:" ~templ:server_url uri
- | uri when (Pcre.pmatch ~pat:"^helm:rdf.*//theory:" uri) ->
- Pcre.replace ~pat:"^helm:rdf.*//theory:" ~templ:server_url uri
- | uri -> raise (Http_getter_invalid_URI uri)
- in
- let log = ref (logmsg ^ "Processing server: " ^ server_url ^ "<br />\n") in
- let (xml_index, rdf_index, xsl_index) =
- (* TODO keeps index in memory, is better to keep them on temp files? *)
- (http_get (server_url ^ "/" ^ Http_getter_env.xml_index),
- http_get (server_url ^ "/" ^ Http_getter_env.rdf_index),
- http_get (server_url ^ "/" ^ Http_getter_env.xsl_index))
- in
- if (xml_index = None && rdf_index = None && xsl_index = None) then
- debug_print (sprintf "Warning: useless server %s" server_url);
- (match xml_index with
- | Some xml_index ->
- (log := !log ^ "Updating XML db ...<br />\n";
- List.iter
- (fun l ->
- try
- (match Pcre.split ~pat:"[ \\t]+" 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 ~pat:"\n+" xml_index)) (* xml_index lines *)
- | None -> ());
- (match rdf_index with
- | Some rdf_index ->
- (log := !log ^ "Updating RDF db ...<br />\n";
- List.iter
- (fun l ->
- try
- (match Pcre.split ~pat:"[ \\t]+" l with
- | [uri; "gz"] -> rdf_map#add uri ((rdf_url_of_uri uri) ^ ".xml.gz")
- | [uri] -> rdf_map#add uri ((rdf_url_of_uri uri) ^ ".xml")
- | _ -> log := !log ^ "Ignoring invalid line: " ^ l ^ "<br />\n")
- with Http_getter_invalid_URI uri ->
- log := !log ^ "Ignoring invalid RDF URI: " ^ uri ^ "<br />\n")
- (Pcre.split ~pat:"\n+" rdf_index)) (* rdf_index lines *)
- | None -> ());
- (match xsl_index with
- | Some xsl_index ->
- (log := !log ^ "Updating XSLT db ...<br />\n";
- List.iter
- (fun l -> xsl_map#add l (server_url ^ "/" ^ l))
- (Pcre.split ~pat:"\n+" xsl_index);
- log := !log ^ "All done!<br />\n")
- | None -> ());
- !log
-in
-
- (* thread action *)
-let callback (req: Http_types.request) outchan =
- try
- 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
- | "/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
- Http_getter_cache.respond_xml
- ~url:(resolve uri) ~uri ~enc ~patch_dtd 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
- | "/getdtd" ->
- let patch_dtd =
- try parse_patch_dtd req with Http_types.Param_not_found _ -> true
- in
- Http_getter_cache.respond_dtd
- ~patch_dtd ~url:(Http_getter_env.dtd_dir ^ "/" ^ uri) outchan
- | "/resolve" ->
- (try
- return_xml_msg
- (sprintf "<url value=\"%s\" />\n" (resolve uri))
- outchan
- with Http_getter_unresolvable_URI uri ->
- return_xml_msg "<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;
- 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)
- in
- xml_map#sync; rdf_map#sync; xsl_map#sync;
- return_html_msg log outchan)
- | "/getalluris" ->
- return_all_xml_uris
- (fun uri ->
- (Pcre.pmatch ~pat:"^cic:" uri) &&
- not (Pcre.pmatch ~pat:"\\.types$" uri))
- outchan
- | "/getallrdfuris" ->
- (let classs = req#param "class" in
- try
- let filter =
- let base = "^helm:rdf:www\\.cs\\.unibo\\.it/helm/rdf/" in
- match classs with
- | ("forward" as c) | ("backward" as c) ->
- (fun uri -> Pcre.pmatch ~pat:(base ^ c) uri)
- | c -> raise (Http_getter_invalid_RDF_class c)
- in
- return_all_rdf_uris filter outchan
- with Http_getter_invalid_RDF_class c ->
- raise (Http_getter_bad_request ("Invalid RDF class: " ^ c)))
- | "/ls" -> return_ls (parse_ls_uri req) (parse_output_format req) outchan
- | "/getempty" ->
- Http_daemon.respond ~body:Http_getter_const.empty_xml outchan
- | invalid_request ->
- Http_daemon.respond_error ~status:(`Client_error `Bad_request) outchan)
- with
- | Http_types.Param_not_found attr_name ->
- return_400 (sprintf "Parameter '%s' is missing" attr_name) outchan
- | Http_getter_bad_request msg -> return_html_error msg outchan
- | Http_getter_internal_error msg -> return_html_internal_error msg outchan
- | exc ->
- return_html_error
- ("Uncaught exception: " ^ (Printexc.to_string exc))
- outchan
-in
-
- (* daemon initialization *)
-Http_getter_env.dump_env ();
-flush stdout;
-Unix.putenv "http_proxy" "";
-Http_daemon.start'
- ~timeout:None ~port:Http_getter_env.port ~mode:`Thread callback
+ let ls_items = ref [] in
+ StringSet.iter (fun dir -> ls_items := Ls_section dir :: !ls_items) !dirs;
+ Http_getter_misc.hashtbl_sorted_iter
+ (fun uri (annflag, typesflag, bodyflag, treeflag) ->
+ ls_items :=
+ Ls_object {
+ uri = uri; ann = annflag;
+ types = typesflag; body = typesflag; proof_tree = treeflag
+ } :: !ls_items)
+ objs;
+ List.rev !ls_items