-(*
- * Copyright (C) 2003-2004:
- * Stefano Zacchiroli <zack@cs.unibo.it>
- * for the HELM Team http://helm.cs.unibo.it/
+(* Copyright (C) 2005, HELM Team.
+ *
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ *
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- *
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * HELM is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
- * For details, see the HELM World-Wide-Web page,
- * http://helm.cs.unibo.it/
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * For details, see the HELM World-Wide-Web page,
+ * http://helm.cs.unibo.it/
*)
open Printf
open Http_getter_common
open Http_getter_misc
-open Http_getter_debugger
open Http_getter_types
exception Not_implemented of string
exception UnexpectedGetterOutput
-(* resolve_result is needed because it is not possible to raise *)
-(* an exception in a pxp ever-processing callback. Too bad. *)
type resolve_result =
| Unknown
| Exception of exn
| Resolved of string
+type logger_callback = HelmLogger.html_tag -> unit
+
+let stdout_logger tag = print_string (HelmLogger.string_of_html_tag tag)
+
let not_implemented s = raise (Not_implemented ("Http_getter." ^ s))
-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$",
- Pcre.regexp "^cic:", Pcre.regexp "^theory:", Pcre.regexp "^nuprl:",
- Pcre.regexp "^helm:rdf.*//cic:", Pcre.regexp "^helm:rdf.*//theory:")
+let index_line_sep_RE = Pcre.regexp "[ \t]+"
+let index_sep_RE = Pcre.regexp "\r\n|\r|\n"
+let trailing_types_RE = Pcre.regexp "\\.types$"
+let heading_cic_RE = Pcre.regexp "^cic:"
+let heading_theory_RE = Pcre.regexp "^theory:"
+let heading_nuprl_RE = Pcre.regexp "^nuprl:"
+let types_RE = Pcre.regexp "\\.types$"
+let types_ann_RE = Pcre.regexp "\\.types\\.ann$"
+let body_RE = Pcre.regexp "\\.body$"
+let body_ann_RE = Pcre.regexp "\\.body\\.ann$"
+let proof_tree_RE = Pcre.regexp "\\.proof_tree$"
+let proof_tree_ann_RE = Pcre.regexp "\\.proof_tree\\.ann$"
+let theory_RE = Pcre.regexp "\\.theory$"
+let basepart_RE = Pcre.regexp
+ "^([^.]*\\.[^.]*)((\\.body)|(\\.proof_tree)|(\\.types))?(\\.ann)?$"
+let slash_RE = Pcre.regexp "/"
+let pipe_RE = Pcre.regexp "\\|"
+let til_slash_RE = Pcre.regexp "^.*/"
+let no_slashes_RE = Pcre.regexp "^[^/]*$"
+let fix_regexp_RE = Pcre.regexp ("^" ^ (Pcre.quote "(cic|theory)"))
+let showable_file_RE =
+ Pcre.regexp "(\\.con|\\.ind|\\.var|\\.body|\\.types|\\.proof_tree)$"
+
+let xml_suffix = ".xml"
+let theory_suffix = ".theory"
(* global maps, shared by all threads *)
-let cic_map =
- lazy (new Http_getter_map.map (Lazy.force Http_getter_env.cic_dbm))
-let nuprl_map =
- lazy (new Http_getter_map.map (Lazy.force Http_getter_env.nuprl_dbm))
-let rdf_map =
- lazy (new Http_getter_map.map (Lazy.force Http_getter_env.rdf_dbm))
-let xsl_map =
- lazy (new Http_getter_map.map (Lazy.force Http_getter_env.xsl_dbm))
-
-let maps = [ cic_map; nuprl_map; rdf_map; xsl_map ]
-let close_maps () = List.iter (fun m -> (Lazy.force m) # close) maps
-let clear_maps () = List.iter (fun m -> (Lazy.force m) # clear) maps
-let sync_maps () = List.iter (fun m -> (Lazy.force m) # sync) maps
-
-let map_of_uri = function
- | uri when is_cic_uri uri -> Lazy.force cic_map
- | uri when is_nuprl_uri uri -> Lazy.force nuprl_map
- | uri when is_rdf_uri uri -> Lazy.force rdf_map
- | uri when is_xsl_uri uri -> Lazy.force xsl_map
- | 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 ^ "/" ^ (Lazy.force Http_getter_env.xml_index)),
- http_get (server_url ^ "/" ^ (Lazy.force Http_getter_env.rdf_index)),
- http_get (server_url ^ "/" ^ (Lazy.force 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"] ->
- (Lazy.force rdf_map) # replace uri
- ((rdf_url_of_uri uri) ^ ".xml.gz")
- | [uri] ->
- (Lazy.force 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 -> (Lazy.force 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 ".-=:;!?/&" '_') ""
+let ends_with_slash s =
+ try
+ s.[String.length s - 1] = '/'
+ with Invalid_argument _ -> false
(* should we use a remote getter or not *)
let remote () =
try
Helm_registry.get "getter.mode" = "remote"
with Helm_registry.Key_not_found _ -> false
+
let getter_url () = Helm_registry.get "getter.url"
(* Remote interface: getter methods implemented using a remote getter *)
(* <TODO> *)
-let getxslt_remote ~patch_dtd uri = not_implemented "getxslt_remote"
-let getdtd_remote ~patch_dtd uri = not_implemented "getdtd_remote"
+let getxml_remote uri = not_implemented "getxml_remote"
+let getxslt_remote uri = not_implemented "getxslt_remote"
+let getdtd_remote uri = not_implemented "getdtd_remote"
let clean_cache_remote () = not_implemented "clean_cache_remote"
let list_servers_remote () = not_implemented "list_servers_remote"
-let add_server_remote ~position name = not_implemented "add_server_remote"
-let remove_server_remote position = not_implemented "remove_server_remote"
+let add_server_remote ~logger ~position name =
+ not_implemented "add_server_remote"
+let remove_server_remote ~logger position =
+ not_implemented "remove_server_remote"
let getalluris_remote () = not_implemented "getalluris_remote"
-let getallrdfuris_remote () = not_implemented "getallrdfuris_remote"
let ls_remote lsuri = not_implemented "ls_remote"
+let exists_remote uri = not_implemented "exists_remote"
(* </TODO> *)
let resolve_remote uri =
(* deliver resolve request to http_getter *)
- let doc = ClientHTTP.get (sprintf "%sresolve?uri=%s" (getter_url ()) uri) in
+ let doc =
+ Http_getter_wget.get (sprintf "%sresolve?uri=%s" (getter_url ()) uri)
+ in
let res = ref Unknown in
- Pxp_yacc.process_entity Pxp_yacc.default_config (`Entry_content [])
- (Pxp_yacc.create_entity_manager ~is_document:true Pxp_yacc.default_config
- (Pxp_yacc.from_string doc))
- (function
- | Pxp_yacc.E_start_tag ("url",["value",url],_) -> res := Resolved url
- | Pxp_yacc.E_start_tag ("unresolved",[],_) ->
- res := Exception (Unresolvable_URI uri)
- | Pxp_yacc.E_start_tag _ -> res := Exception UnexpectedGetterOutput
- | _ -> ());
- match !res with
- | Unknown -> raise UnexpectedGetterOutput
- | Exception e -> raise e
- | Resolved url -> url
-
-let register_remote ~uri ~url =
- ClientHTTP.send (sprintf "%sregister?uri=%s&url=%s" (getter_url ()) uri url)
-
-let register_remote ~uri ~url =
- ClientHTTP.send (sprintf "%sregister?uri=%s&url=%s" (getter_url ()) uri url)
-
-let update_remote () =
- let answer = ClientHTTP.get (getter_url () ^ "update") in
- `Msg (`T answer)
-
-let getxml_remote ~format ~patch_dtd uri =
- ClientHTTP.get_and_save_to_tmp
- (sprintf "%sgetxml?uri=%s&format=%s&patch_dtd=%s"
- (getter_url ()) uri
- (match format with Enc_normal -> "normal" | Enc_gzipped -> "gzipped")
- (match patch_dtd with true -> "yes" | false -> "no"))
+ let start_element tag attrs =
+ match tag with
+ | "url" ->
+ (try
+ res := Resolved (List.assoc "value" attrs)
+ with Not_found -> ())
+ | "unresolvable" -> res := Exception (Unresolvable_URI uri)
+ | "not_found" -> res := Exception (Key_not_found uri)
+ | _ -> ()
+ in
+ let callbacks = {
+ XmlPushParser.default_callbacks with
+ XmlPushParser.start_element = Some start_element
+ } in
+ let xml_parser = XmlPushParser.create_parser callbacks in
+ XmlPushParser.parse xml_parser (`String doc);
+ XmlPushParser.final xml_parser;
+ match !res with
+ | Unknown -> raise UnexpectedGetterOutput
+ | Exception e -> raise e
+ | Resolved url -> url
+
+let deref_index_theory uri =
+ if Http_getter_storage.exists (uri ^ xml_suffix) then uri
+ else if is_theory_uri uri && Filename.basename uri = "index.theory" then
+ strip_trailing_slash (Filename.dirname uri) ^ theory_suffix
+ else
+ uri
(* API *)
let help () = Http_getter_const.usage_string (Http_getter_env.env_to_string ())
+let exists uri =
+(* prerr_endline ("Http_getter.exists " ^ uri); *)
+ if remote () then
+ exists_remote uri
+ else
+ let uri = deref_index_theory uri in
+ Http_getter_storage.exists (uri ^ xml_suffix)
+
let resolve uri =
if remote () then
resolve_remote uri
else
+ let uri = deref_index_theory uri in
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 =
- if remote () then
- register_remote ~uri ~url
- else
- (map_of_uri uri)#add uri url
+ Http_getter_storage.resolve (uri ^ xml_suffix)
+ with Http_getter_storage.Resource_not_found _ -> raise (Key_not_found uri)
-let update () =
- if remote () then
- update_remote ()
- else
- update_from_all_servers ()
-
-let getxml ?(format = Enc_normal) ?(patch_dtd = true) uri =
- if remote () then
- getxml_remote ~format ~patch_dtd uri
+let getxml uri =
+ if remote () then getxml_remote uri
else begin
- 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 uri' = deref_index_theory uri in
+ (try
+ Http_getter_storage.filename (uri' ^ xml_suffix)
+ with Http_getter_storage.Resource_not_found _ -> raise (Key_not_found uri))
end
-let getxslt ?(patch_dtd = true) uri =
- if remote () then
- getxslt_remote ~patch_dtd uri
- else begin
- 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
- end
+let getxslt uri =
+ if remote () then getxslt_remote uri
+ else Http_getter_storage.filename ~find:true ("xslt:/" ^ uri)
-let getdtd ?(patch_dtd = true) uri =
+let getdtd uri =
if remote () then
- getdtd_remote ~patch_dtd uri
+ getdtd_remote uri
else begin
- let url = Lazy.force 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;
+ let fname = Lazy.force Http_getter_env.dtd_dir ^ "/" ^ uri in
+ if not (Sys.file_exists fname) then raise (Dtd_not_found uri);
fname
end
if remote () then
clean_cache_remote ()
else
- Http_getter_cache.clean ()
-
-let list_servers () =
- if remote () then
- list_servers_remote ()
- else
- Http_getter_env.servers ()
-
-let add_server ?(position = 0) name =
- if remote () then
- add_server_remote ~position name
- else begin
- 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
- end
-
-let remove_server position =
- if remote () then
- remove_server_remote ()
- else begin
- let server_name =
+ Http_getter_storage.clean_cache ()
+
+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),
+ (if newtree > oldtree then newtree else oldtree))
+
+let store_obj tbl o =
+(* prerr_endline ("Http_getter.store_obj " ^ o); *)
+ if Pcre.pmatch ~rex:showable_file_RE o then begin
+ let basepart = Pcre.replace ~rex:basepart_RE ~templ:"$1" o in
+ let no_flags = false, No, No, No in
+ let oldflags =
try
- List.assoc position (Http_getter_env.servers ())
- with Not_found ->
- raise (Invalid_argument (sprintf "no server with position %d" position))
+ Hashtbl.find tbl basepart
+ 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, 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
- Http_getter_env.remove_server position;
- update ()
+ Hashtbl.replace tbl basepart (oldflags ++ newflags)
end
-
-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 () =
- if remote () then
- getalluris_remote ()
- else
- let filter uri =
- (Pcre.pmatch ~rex:heading_cic_RE uri) &&
- not (Pcre.pmatch ~rex:trailing_types_RE uri)
+
+let store_dir set_ref d =
+ set_ref := StringSet.add (List.hd (Pcre.split ~rex:slash_RE d)) !set_ref
+
+let collect_ls_items dirs_set objs_tbl =
+ let items = ref [] in
+ StringSet.iter (fun dir -> items := Ls_section dir :: !items) dirs_set;
+ Http_getter_misc.hashtbl_sorted_iter
+ (fun uri (annflag, typesflag, bodyflag, treeflag) ->
+ items :=
+ Ls_object {
+ uri = uri; ann = annflag;
+ types = typesflag; body = bodyflag; proof_tree = treeflag
+ } :: !items)
+ objs_tbl;
+ List.rev !items
+
+let contains_object = (<>) []
+
+ (** non regexp-aware version of ls *)
+let rec dumb_ls uri_prefix =
+(* prerr_endline ("Http_getter.dumb_ls " ^ uri_prefix); *)
+ if is_cic_obj_uri uri_prefix then begin
+ let dirs = ref StringSet.empty in
+ let objs = Hashtbl.create 17 in
+ List.iter
+ (fun fname ->
+ if ends_with_slash fname then
+ store_dir dirs fname
+ else
+ try
+ store_obj objs (strip_suffix ~suffix:xml_suffix fname)
+ with Invalid_argument _ -> ())
+ (Http_getter_storage.ls uri_prefix);
+ collect_ls_items !dirs objs
+ end else if is_theory_uri uri_prefix then begin
+ let items = ref [] in
+ let add_theory fname =
+ items :=
+ Ls_object {
+ uri = fname; ann = false; types = No; body = No; proof_tree = No }
+ :: !items
+ in
+ let cic_uri_prefix =
+ Pcre.replace_first ~rex:heading_theory_RE ~templ:"cic:" uri_prefix
+ in
+ List.iter
+ (fun fname ->
+ if ends_with_slash fname then
+ items := Ls_section (strip_trailing_slash fname) :: !items
+ else
+ try
+ let fname = strip_suffix ~suffix:xml_suffix fname in
+ let theory_name = strip_suffix ~suffix:theory_suffix fname in
+ let sub_theory = normalize_dir cic_uri_prefix ^ theory_name ^ "/" in
+ if is_empty_theory sub_theory then add_theory fname
+ with Invalid_argument _ -> ())
+ (Http_getter_storage.ls uri_prefix);
+ (try
+ if contains_object (dumb_ls cic_uri_prefix)
+ && exists (strip_trailing_slash uri_prefix ^ theory_suffix)
+ then
+ add_theory "index.theory";
+ with Unresolvable_URI _ -> ());
+ !items
+ end else
+ raise (Invalid_URI uri_prefix)
+
+and is_empty_theory uri_prefix =
+(* prerr_endline ("is_empty_theory " ^ uri_prefix); *)
+ not (contains_object (dumb_ls uri_prefix))
+
+ (* handle simple regular expressions of the form "...(..|..|..)..." on cic
+ * uris, not meant to be a real implementation of regexp. The only we use is
+ * "(cic|theory):/..." *)
+let explode_ls_regexp regexp =
+ try
+ let len = String.length regexp in
+ let lparen_idx = String.index regexp '(' in
+ let rparen_idx = String.index_from regexp lparen_idx ')' in
+ let choices_str = (* substring between parens, parens excluded *)
+ String.sub regexp (lparen_idx + 1) (rparen_idx - lparen_idx - 1)
in
- return_uris (Lazy.force cic_map) filter
+ let choices = Pcre.split ~rex:pipe_RE choices_str in
+ let prefix = String.sub regexp 0 lparen_idx in
+ let suffix = String.sub regexp (rparen_idx + 1) (len - (rparen_idx + 1)) in
+ List.map (fun choice -> prefix ^ choice ^ suffix) choices
+ with Not_found -> [regexp]
+
+let merge_results results =
+ let rec aux objects_acc dirs_acc = function
+ | [] -> dirs_acc @ objects_acc
+ | Ls_object _ as obj :: tl -> aux (obj :: objects_acc) dirs_acc tl
+ | Ls_section _ as dir :: tl ->
+ if List.mem dir dirs_acc then (* filters out dir duplicates *)
+ aux objects_acc dirs_acc tl
+ else
+ aux objects_acc (dir :: dirs_acc) tl
+ in
+ aux [] [] (List.concat results)
-let getallrdfuris classs =
+let ls regexp =
if remote () then
- getallrdfuris_remote ()
+ ls_remote regexp
else
- 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 (Lazy.force 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),
- (if newtree > oldtree then newtree else oldtree))
- in
- let basepart_RE =
- Pcre.regexp
- "^([^.]*\\.[^.]*)((\\.body)|(\\.proof_tree)|(\\.types))?(\\.ann)?$"
- in
- 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 "^[^/]*$")
- in
- fun lsuri ->
- if remote () then
- ls_remote lsuri
- else begin
- let pat =
- "^" ^
- (match lsuri with Cic p -> ("cic:" ^ p) | Theory p -> ("theory:" ^ p))
- in
- let (dir_RE, obj_RE) =
- (Pcre.regexp (pat ^ "/"), Pcre.regexp (pat ^ "(\\.|$)"))
- in
- let dirs = ref StringSet.empty in
- let objs = Hashtbl.create 17 in
- let store_dir d =
- dirs := StringSet.add (List.hd (Pcre.split ~rex:slash_RE d)) !dirs
- 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 -> (* 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, 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
+ let prefixes = explode_ls_regexp regexp in
+ merge_results (List.map dumb_ls prefixes)
+
+let getalluris () =
+ let rec aux acc = function
+ | [] -> acc
+ | dir :: todo ->
+ let acc', todo' =
+ List.fold_left
+ (fun (acc, subdirs) result ->
+ match result with
+ | Ls_object obj -> (dir ^ obj.uri) :: acc, subdirs
+ | Ls_section sect -> acc, (dir ^ sect ^ "/") :: subdirs)
+ (acc, todo)
+ (dumb_ls dir)
in
- Hashtbl.replace objs basepart (oldflags ++ newflags)
- in
- (Lazy.force 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 *)
- let localpart = Pcre.replace ~rex:dir_RE uri in
- if Pcre.pmatch ~rex:no_slashes_RE localpart then
- store_obj localpart
- else
- store_dir localpart
- | uri when Pcre.pmatch ~rex:obj_RE uri -> (* file hit *)
- store_obj (Pcre.replace ~rex:til_slash_RE uri)
- | uri -> () (* miss *));
- 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 = bodyflag; proof_tree = treeflag
- } :: !ls_items)
- objs;
- List.rev !ls_items
- end
-
- (* Shorthands from now on *)
+ aux acc' todo'
+ in
+ aux [] ["cic:/"] (* trailing slash required *)
+
+(* Shorthands from now on *)
let getxml' uri = getxml (UriManager.string_of_uri uri)
let resolve' uri = resolve (UriManager.string_of_uri uri)
-let register' uri url = register ~uri:(UriManager.string_of_uri uri) ~url
+let exists' uri = exists (UriManager.string_of_uri uri)
+
+let tilde_expand_key k =
+ try
+ Helm_registry.set k (HExtlib.tilde_expand (Helm_registry.get k))
+ with Helm_registry.Key_not_found _ -> ()
+
+let init () =
+ List.iter tilde_expand_key ["getter.cache_dir"; "getter.dtd_dir"];
+ Http_getter_logger.set_log_level
+ (Helm_registry.get_opt_default Helm_registry.int ~default:1
+ "getter.log_level");
+ Http_getter_logger.set_log_file
+ (Helm_registry.get_opt Helm_registry.string "getter.log_file")
projects / helm.git / blobdiff