-(*
- * 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
let trailing_types_RE = Pcre.regexp "\\.types$"
let heading_cic_RE = Pcre.regexp "^cic:"
let heading_theory_RE = Pcre.regexp "^theory:"
-let heading_nuprl_RE, = Pcre.regexp "^nuprl:"
-let heading_rdf_cic_RE = Pcre.regexp "^helm:rdf.*//cic:"
-let heading_rdf_theory_RE = Pcre.regexp "^helm:rdf.*//theory:"
+let heading_nuprl_RE = Pcre.regexp "^nuprl:"
+let types_RE = Pcre.regexp "\\.types$"
+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 uri_tree = ref None
-let deref_if_some r =
- match !r with
- | None -> assert false
- | Some x -> x
-let is_prefetch_on () =
- match !uri_tree with None -> false | Some _ -> true
-
-let dump_tree () =
- let path = Lazy.force Http_getter_env.dump_file in
- Tree.save_to_disk path (deref_if_some uri_tree);
- Http_getter_md5.create_hash [
- (Lazy.force Http_getter_env.cic_dbm_real);
- path ]
-
-let load_tree () =
- if not (Http_getter_md5.check_hash ()) then
- assert false
- else
- uri_tree := Some (Tree.load_from_disk
- (Lazy.force Http_getter_env.dump_file))
-
-let sync_with_map () =
- if not (Http_getter_md5.check_hash ()) then begin
- let tree = ref (Some Tree.empty_tree) in
- Http_getter_logger.log "Updating cic map dump...";
- let t = Unix.time () in
- (Lazy.force cic_map)#iter
- (fun k _ ->
- tree := Some (Tree.add_uri k (deref_if_some tree)));
- uri_tree := !tree;
- Http_getter_logger.log
- (sprintf "done in %.0f sec" (Unix.time () -. t));
- dump_tree ()
- end else begin
- Http_getter_logger.log "Cic map dump is up to date!";
- load_tree () (* XXX TASSI: race condition here *)
- end
-
-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;
- sync_with_map ()
-
-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 logger server_url = (* use global maps *)
- Http_getter_logger.log ("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
- logger (`T ("Processing server: " ^ server_url));
- logger `BR;
- 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
- Http_getter_logger.log (sprintf "Warning: useless server %s" server_url);
- (match xml_index with
- | Some xml_index ->
- logger (`T "- Updating XML db ...");
-(* logger `BR; *)
- 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")
- | _ ->
- logger (`T ("Ignoring invalid line: '" ^ l));
- logger `BR)
- with Invalid_URI uri ->
- logger (`T ("Ignoring invalid XML URI: '" ^ l));
- logger `BR))
- (Pcre.split ~rex:index_sep_RE xml_index); (* xml_index lines *)
- logger (`T "All done");
- logger `BR
- | None -> ());
- (match rdf_index with
- | Some rdf_index ->
- logger (`T "- Updating RDF db ...");
-(* logger `BR; *)
- 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")
- | _ ->
- logger (`T ("Ignoring invalid line: '" ^ l));
- logger `BR)
- with Invalid_URI uri ->
- logger (`T ("Ignoring invalid RDF URI: '" ^ l));
- logger `BR)
- (Pcre.split ~rex:index_sep_RE rdf_index); (* rdf_index lines *)
- logger (`T "All done");
- logger `BR
- | None -> ());
- (match xsl_index with
- | Some xsl_index ->
- logger (`T "- Updating XSLT db ...");
-(* logger `BR; *)
- List.iter
- (fun l -> (Lazy.force xsl_map) # replace l (server_url ^ "/" ^ l))
- (Pcre.split ~rex:index_sep_RE xsl_index);
- logger (`T "All done");
- logger `BR
- | None -> ());
- Http_getter_logger.log "done with this server"
-
-let update_from_all_servers logger () = (* use global maps *)
- clear_maps ();
- List.iter
- (update_from_server logger)
- (* reverse order: 1st server is the most important one *)
- (List.map snd (List.rev (Http_getter_env.servers ())));
- sync_maps ()
-
-let update_from_one_server ?(logger = fun _ -> ()) server_url =
- update_from_server logger server_url
-
-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 ~logger ~position name =
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 =
| Exception e -> raise e
| Resolved url -> url
-let register_remote ~uri ~url =
- Http_getter_wget.send
- (sprintf "%sregister?uri=%s&url=%s" (getter_url ()) uri url)
-
-let unregister_remote uri =
- Http_getter_wget.send (sprintf "%sunregister?uri=%s" (getter_url ()) uri)
-
-let update_remote logger () =
- let answer = Http_getter_wget.get (getter_url () ^ "update") in
- logger (`T answer);
- logger `BR
-
-let getxml_remote ~format ~patch_dtd uri =
- let uri =
- sprintf "%sgetxml?uri=%s&format=%s&patch_dtd=%s"
- (getter_url ()) uri
- (match format with `Normal -> "normal" | `Gzipped -> "gz")
- (match patch_dtd with true -> "yes" | false -> "no")
- in
- Http_getter_wget.get_and_save_to_tmp uri
+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 resolve uri =
+let exists uri =
+(* prerr_endline ("Http_getter.exists " ^ uri); *)
if remote () then
- resolve_remote uri
+ exists_remote uri
else
- (map_of_uri uri)#resolve uri
+ let uri = deref_index_theory uri in
+ Http_getter_storage.exists (uri ^ xml_suffix)
-let register ~uri ~url =
- if remote () then
- register_remote ~uri ~url
- else
- begin
- (map_of_uri uri)#add uri url;
- if is_prefetch_on () then
- uri_tree := Some (Tree.add_uri uri (deref_if_some uri_tree))
- end
-
-let unregister uri =
+let resolve uri =
if remote () then
- unregister_remote uri
+ resolve_remote uri
else
+ let uri = deref_index_theory uri in
try
- begin
- (map_of_uri uri)#remove uri;
- if is_prefetch_on () then
- uri_tree := Some (Tree.remove_uri uri (deref_if_some uri_tree))
- end
- with Key_not_found _ -> ()
-
-let update ?(logger = fun _ -> ()) () =
- if remote () then
- update_remote logger ()
- else
- update_from_all_servers logger ()
+ Http_getter_storage.resolve (uri ^ xml_suffix)
+ with Http_getter_storage.Resource_not_found _ -> raise (Key_not_found uri)
-let getxml ?(format = `Gzipped) ?(patch_dtd = false) uri =
- if remote () then
- getxml_remote ~format ~patch_dtd uri
+let getxml uri =
+ if remote () then getxml_remote uri
else begin
- Http_getter_logger.log ~level:2 ("getxml: " ^ uri);
- let url = resolve uri in
- Http_getter_logger.log ~level:2 ("resolved_uri: " ^ url) ;
- let (fname, outchan) = temp_file_of_uri uri in
- Http_getter_cache.respond_xml ~via_http:false ~enc:format ~patch:patch_dtd
- ~uri ~url 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 ~via_http:false ~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 ~via_http:false ~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 ?(logger = fun _ -> ()) ?(position = 0) name =
- if remote () then
- add_server_remote ~logger ~position name
- else begin
- if position = 0 then begin
- Http_getter_env.add_server ~position:0 name;
- update_from_one_server ~logger name (* quick update (new server only) *)
- end else if position > 0 then begin
- Http_getter_env.add_server ~position name;
- update ~logger ()
- end else (* already checked by parse_position *)
- assert false
- end
-
-let has_server position = List.mem_assoc position (Http_getter_env.servers ())
-
-let remove_server ?(logger = fun _ -> ()) position =
- if remote () then
- remove_server_remote ~logger ()
- else begin
- 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 ~logger ()
- 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) *)
- in
- return_uris (Lazy.force cic_map) filter
-
-let getallrdfuris classs =
- if remote () then
- getallrdfuris_remote ()
- 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
-
+ Http_getter_storage.clean_cache ()
let (++) (oldann, oldtypes, oldbody, oldtree)
(newann, newtypes, newbody, newtree) =
(if newbody > oldbody then newbody else oldbody),
(if newtree > oldtree then newtree else oldtree))
-let (types_RE, types_ann_RE, body_RE, body_ann_RE,
- proof_tree_RE, proof_tree_ann_RE, trailing_slash_RE, theory_RE) =
- (Pcre.regexp "\\.types$", Pcre.regexp "\\.types\\.ann$",
- Pcre.regexp "\\.body$", Pcre.regexp "\\.body\\.ann$",
- Pcre.regexp "\\.proof_tree$", Pcre.regexp "\\.proof_tree\\.ann$",
- Pcre.regexp "/$", Pcre.regexp "\\.theory$")
-
-let basepart_RE =
- Pcre.regexp
- "^([^.]*\\.[^.]*)((\\.body)|(\\.proof_tree)|(\\.types))?(\\.ann)?$"
-
-let (slash_RE, til_slash_RE, no_slashes_RE) =
- (Pcre.regexp "/", Pcre.regexp "^.*/", Pcre.regexp "^[^/]*$")
-let fix_regexp_RE = Pcre.regexp ("^" ^ (Pcre.quote "(cic|theory)"))
-
-let ls regexp =
- if remote () then
- ls_remote regexp
- else begin
- let looking_for_dir = Pcre.pmatch ~rex:trailing_slash_RE regexp in
- let pat = Pcre.replace ~rex:trailing_slash_RE ("^" ^ regexp) in
- let (dir_RE, dir_local_RE, obj_RE, first_comp_RE) =
- Pcre.regexp (pat ^ "/"), Pcre.regexp "[^/]+/[^/]*",
- Pcre.regexp (pat ^ "(\\.|$)"), Pcre.regexp "/.*"
- in
- let exists_theory regexp =
- let theory =
- Pcre.replace ~rex:fix_regexp_RE ~templ:"theory" regexp ^ "index.theory"
- in
+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
- ignore (resolve theory);
- true
- with Key_not_found _ -> false
+ Hashtbl.find tbl basepart
+ with Not_found -> (* no ann, no types, no body, no proof tree *)
+ no_flags
in
- let toplevel_theory =
- match List.rev (Pcre.split ~rex:slash_RE pat) with
- | dir :: _ -> Some (dir ^ ".theory")
- | _ -> None
+ 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
+ Hashtbl.replace tbl basepart (oldflags ++ newflags)
+ end
+
+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
- let store_dir d =
- dirs := StringSet.add (List.hd (Pcre.split ~rex:slash_RE d)) !dirs
+ 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 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
- in
- Hashtbl.replace objs basepart (oldflags ++ newflags)
+ let cic_uri_prefix =
+ Pcre.replace_first ~rex:heading_theory_RE ~templ:"cic:" uri_prefix
in
- (* Variables used in backward compatibility code to map
- theory:/path/t.theory into theory:/path/t/index.theory
- when cic:/path/t/ exists *)
- let the_candidate_for_remapping =
- (* CSC: Here I am making a strong assumption: the pattern
- can be only of the form [^:]*:/path where path is
- NOT a regular expression *)
- "theory:" ^ Pcre.replace ~rex:(Pcre.regexp "[^:]*:") pat
+ 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
- let index_not_generated_yet = ref true in
- let valid_candidates = ref [] in
- let candidates_found = ref [] in
-
- (*(Lazy.force cic_map) # iter*)
+ 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)
- (* depending on prefetch *)
- let if_prefetch if_is if_not =
- if is_prefetch_on() then if_is else if_not
- in
-
- let iter_on_right_thing = if_prefetch
- (fun f -> List.iter (fun k -> f k "")
- (Tree.ls_path regexp (deref_if_some uri_tree)))
- (fun f -> (Lazy.force cic_map) # iter f)
- in
- let calculate_localpart = if_prefetch
- (fun uri -> uri)
- (fun uri -> Pcre.replace ~rex:dir_RE uri)
- in
- let check_if_x_RE = if_prefetch
- (fun x_RE uri -> true)
- (fun x_RE uri -> Pcre.pmatch ~rex:x_RE uri)
- in
- let check_if_dir_RE = check_if_x_RE dir_RE in
- let check_if_obj_RE = check_if_x_RE obj_RE in
-
- iter_on_right_thing
- (fun key _ ->
- (* we work in two ways:
- * 1 iteration on the whole map
- * 2 tree visit
- *
- * Since in the first case 'key' is a complete uri, while
- * in the second case it is only the subtree rooted in the
- * query regex, we must relay only on the localpath.
- *
- * example:
- * query::= cic:/aaa/bbb/
- *
- * answer1 ::= the whole map
- *
- * aswer2 ::= [ "ccc/"; "c1.something"] where
- * cic:/aaa/bbb/ccc/ and cic:/aaa/bbb/c1.something
- * are the (partials) uri that matched query
- *
- * after the localpath extracion we have more uris in the first case,
- * but at least the are all rooted in the same node.
- *
- * the Tree.get_frontier may be changed to return the same stuff as
- * the map iteration+localpath extraction does, but I hope it is not
- * necessary
- *)
- match key with
- | uri when looking_for_dir && check_if_dir_RE uri ->
- (* directory hit *)
- let localpart = calculate_localpart uri in
- if Pcre.pmatch ~rex:no_slashes_RE localpart then
- begin
- (* Backward compatibility code to map
- theory:/path/t.theory into theory:/path/t/index.theory
- when cic:/path/t/ exists *)
- if Pcre.pmatch ~rex:theory_RE localpart then
- candidates_found := localpart :: !candidates_found
- else
- store_obj localpart
- end
- else
- begin
- store_dir localpart ;
- if Pcre.pmatch localpart ~rex:dir_local_RE then
- begin
- let valid =
- Pcre.replace ~rex:first_comp_RE localpart ^ ".theory"
- in
- if not (List.mem valid !valid_candidates) then
- valid_candidates := valid::!valid_candidates
- end
- end
- | uri when (not looking_for_dir) && check_if_obj_RE uri ->
- (* file hit *)
- store_obj (Pcre.replace ~rex:til_slash_RE uri)
- | uri -> ());
-(*
- (* miss *)
- if !index_not_generated_yet &&
- Pcre.pmatch ~rex:orig_theory_RE uri
- then
- (index_not_generated_yet := false ;
- store_obj "index.theory"));
- *)
- if exists_theory regexp then store_obj "index.theory";
- List.iter
- (fun localpart ->
- if not (List.mem localpart !valid_candidates) then
- store_obj localpart
- ) !candidates_found ;
- 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
+let ls regexp =
+ if remote () then
+ ls_remote regexp
+ else
+ 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
+ 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 unregister' uri = unregister (UriManager.string_of_uri uri)
+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 sync_dump_file () =
- if is_prefetch_on () then
- dump_tree ()
-
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");
- Http_getter_env.reload ();
- let is_prefetch_set =
- Helm_registry.get_opt_default Helm_registry.bool ~default:false
- "getter.prefetch"
- in
- if is_prefetch_set then
- (* ignore (Thread.create sync_with_map ()) *)
- sync_with_map ()
+ (Helm_registry.get_opt Helm_registry.string "getter.log_file")
projects / helm.git / blobdiff