--- /dev/null
+(* Copyright (C) 2004-2005, 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.
+ *
+ * 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/
+ *)
+
+(* $Id$ *)
+
+open Printf ;;
+
+let instance =
+ let dbd = lazy (
+ HMysql.quick_connect
+ ~host:(Helm_registry.get "db.host")
+ ~user:(Helm_registry.get "db.user")
+ ~database:(Helm_registry.get "db.database")
+ ())
+ in
+ fun () -> Lazy.force dbd
+
+
+let xpointer_RE = Pcre.regexp "#.*$"
+let file_scheme_RE = Pcre.regexp "^file://"
+
+let clean_owner_environment () =
+ let dbd = instance () in
+ let owner = (Helm_registry.get "matita.owner") in
+ let obj_tbl = MetadataTypes.obj_tbl () in
+ let sort_tbl = MetadataTypes.sort_tbl () in
+ let rel_tbl = MetadataTypes.rel_tbl () in
+ let name_tbl = MetadataTypes.name_tbl () in
+ let count_tbl = MetadataTypes.count_tbl () in
+ let tbls = [
+ (obj_tbl,`RefObj) ; (sort_tbl,`RefSort) ; (rel_tbl,`RefRel) ;
+ (name_tbl,`ObjectName) ; (count_tbl,`Count) ]
+ in
+ let statements =
+ (SqlStatements.drop_tables tbls) @ (SqlStatements.drop_indexes tbls)
+ in
+ let owned_uris =
+ try
+ MetadataDb.clean ~dbd
+ with Mysql.Error _ as exn ->
+ match HMysql.errno dbd with
+ | Mysql.No_such_table -> []
+ | _ -> raise exn
+ in
+ List.iter
+ (fun uri ->
+ let uri = Pcre.replace ~rex:xpointer_RE ~templ:"" uri in
+ List.iter
+ (fun suffix ->
+ try
+ HExtlib.safe_remove (Http_getter.resolve (uri ^ suffix))
+ with Http_getter_types.Key_not_found _ -> ())
+ [""; ".body"; ".types"])
+ owned_uris;
+ List.iter (fun statement ->
+ try
+ ignore (HMysql.exec dbd statement)
+ with Mysql.Error _ as exn ->
+ match HMysql.errno dbd with
+ | Mysql.Bad_table_error
+ | Mysql.No_such_index | Mysql.No_such_table -> ()
+ | _ -> raise exn
+ ) statements;
+;;
+
+let create_owner_environment () =
+ let dbd = instance () in
+ let obj_tbl = MetadataTypes.obj_tbl () in
+ let sort_tbl = MetadataTypes.sort_tbl () in
+ let rel_tbl = MetadataTypes.rel_tbl () in
+ let name_tbl = MetadataTypes.name_tbl () in
+ let count_tbl = MetadataTypes.count_tbl () in
+ let tbls = [
+ (obj_tbl,`RefObj) ; (sort_tbl,`RefSort) ; (rel_tbl,`RefRel) ;
+ (name_tbl,`ObjectName) ; (count_tbl,`Count) ]
+ in
+ let statements =
+ (SqlStatements.create_tables tbls) @ (SqlStatements.create_indexes tbls)
+ in
+ List.iter (fun statement ->
+ try
+ ignore (HMysql.exec dbd statement)
+ with
+ exn ->
+ let status = HMysql.status dbd in
+ match status with
+ | Mysql.StatusError Mysql.Table_exists_error -> ()
+ | Mysql.StatusError Mysql.Dup_keyname -> ()
+ | Mysql.StatusError _ -> raise exn
+ | _ -> ()
+ ) statements
+;;
+
+(* removes uri from the ownerized tables, and returns the list of other objects
+ * (theyr uris) that ref the one removed.
+ * AFAIK there is no need to return it, since the MatitaTypes.staus should
+ * contain all defined objects. but to double check we do not garbage the
+ * metadata...
+ *)
+let remove_uri uri =
+ let obj_tbl = MetadataTypes.obj_tbl () in
+ let sort_tbl = MetadataTypes.sort_tbl () in
+ let rel_tbl = MetadataTypes.rel_tbl () in
+ let name_tbl = MetadataTypes.name_tbl () in
+ (*let conclno_tbl = MetadataTypes.conclno_tbl () in
+ let conclno_hyp_tbl = MetadataTypes.fullno_tbl () in*)
+ let count_tbl = MetadataTypes.count_tbl () in
+
+ let dbd = instance () in
+ let suri = UriManager.string_of_uri uri in
+ let query table suri = sprintf
+ "DELETE FROM %s WHERE source LIKE '%s%%'" table (HMysql.escape suri)
+ in
+ List.iter (fun t ->
+ try
+ ignore (HMysql.exec dbd (query t suri))
+ with
+ exn -> raise exn (* no errors should be accepted *)
+ )
+ [obj_tbl;sort_tbl;rel_tbl;name_tbl;(*conclno_tbl;conclno_hyp_tbl*)count_tbl];
+ (* and now the debug job *)
+ let dbg_q =
+ sprintf "SELECT source FROM %s WHERE h_occurrence LIKE '%s%%'" obj_tbl
+ (HMysql.escape suri)
+ in
+ try
+ let rc = HMysql.exec dbd dbg_q in
+ let l = ref [] in
+ HMysql.iter rc (fun a -> match a.(0) with None ->()|Some a -> l := a:: !l);
+ let l = List.sort Pervasives.compare !l in
+ HExtlib.list_uniq l
+ with
+ exn -> raise exn (* no errors should be accepted *)
+
+let xpointers_of_ind uri =
+ let dbd = instance () in
+ let name_tbl = MetadataTypes.name_tbl () in
+ let query = sprintf
+ "SELECT source FROM %s WHERE source LIKE '%s#xpointer%%'" name_tbl
+ (HMysql.escape (UriManager.string_of_uri uri))
+ in
+ let rc = HMysql.exec dbd query in
+ let l = ref [] in
+ HMysql.iter rc (fun a -> match a.(0) with None ->()|Some a -> l := a:: !l);
+ List.map UriManager.uri_of_string !l
+
projects / helm.git / blobdiff