+++ /dev/null
-(* Copyright (C) 2000, HELM Team.
- *
- *
- if 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://www.cs.unibo.it/helm/.
- *)
-
-
-(*
- * implementazione del comando Relation
- *)
-
-
-open Union;;
-open Dbconn;;
-open Utility;;
-
-let quoted s = Str.global_substitute (Str.regexp "'") (function _ -> "\\'") s
-
-(* Cerca in una lista di assegnamenti (lista di coppie (path,path) dove path e'
-di tipo (string * string list) quello relativo alla proprietà p e ne
-restituisce la variabile a cui tale proprietà deve essere associata *)
-let rec search p = function
- [] -> ""
- | (path1,path2)::tl -> if (fst(path2) = p) then fst(path1)
- else search p tl
-;;
-
-
-let get_prop_id prop =
- if prop="refObj" then "F"
- else if prop="backPointer" then "B"
- else assert false
-;;
-
-
-let relation_ex handle inv rop path rset assl =
- let relk = fst path in
- match relk with
-
- (* Nota: mancano le inverse di refObj e backPointer!!!! *)
-
-(* Notabis: ora per refObj si restituiscono tutti gli uri della tabella, nella diretta c'e` l'uri vuota *)
-(* Notater: quando non richiedo tutte le proprieta` della tabella quelle che non voglio mi vengono restituite lo stesso ma con nome vuoto *)
-
- "refObj"
- | "backPointer" -> (* proprieta` refObj e backPointer *)
-(* print_endline "IN BACKPOINTER"; *)
- let prop = get_prop_id relk in
- if assl = [] then (* se non ci sono assegnamenti *)
- let c = MQIConn.pgc handle in
- let rset_list = (* lista di singoletti:resource_set di un elemento *)
- (List.fold_left (fun acc (uri,l) ->
- let tv = pgresult_to_string (c#exec ("select id from registry where uri='" ^ quoted uri ^ "'")) in
- let qq = "select uri from t" ^ tv ^ " where prop_id='" ^ prop ^ "' order by uri asc" in
-(* print_endline qq; *)
- let res = c#exec qq in
-
- let l = (pgresult_to_string_list res) in
-(* List.iter print_endline l; *)
- (List.map
- (function
- [uri] -> [(uri,[])]
- | _ -> assert false )
- res#get_list) @ acc
- )
- [] rset
- )
- in
- let rec edup = function
- [] -> []
- | rs1::tl -> union_ex rs1 (edup tl)
- in
- edup rset_list
-
-
- else (* con assegnamenti *)
- let c = MQIConn.pgc handle in
- let rset_list = (* lista di singoletti:resource_set di un elemento *)
- (List.fold_left (fun acc (uri,l) ->
- let tv = pgresult_to_string (c#exec ("select id from registry where uri='" ^ quoted uri ^ "'")) in
- let qq = "select uri, position, depth from t" ^ tv ^ " where prop_id='" ^ prop ^ "' order by uri asc" in
- print_endline qq;
- let res = c#exec qq in
- let pos = search "position" assl in
- let dep = search "depth" assl in
- if ((pos != "") && (dep != "")) then (*caso in cui voglio sia position che depth*)
- (List.map
- (function
- [uri;position;depth] -> [(uri,[[((pos, []),[position]);((dep, []),[depth])]])]
- | _ -> assert false )
- res#get_list) @ acc
- else
- if (dep = "") then (* voglio solo position *)
- (List.map
- (function
- [uri;position;depth] -> [(uri,[[((pos, []),[position])]])]
- | _ -> assert false )
- res#get_list) @ acc
- else (* voglio solo depth *)
- (List.map
- (function
- [uri;position;depth] -> [(uri,[[((dep, []),[depth])]])]
- | _ -> assert false )
- res#get_list) @ acc
-
- )
- [] rset
- )
- in
- let rec edup = function
- [] -> []
- | rs1::tl -> union_ex rs1 (edup tl)
- in
- edup rset_list
-
-(* Fine proprieta` refObj e backPointer *)
-
- | "refRel" -> (* proprietà refRel *)
- if assl = [] then [] (* se non ci sono assegnamenti *)
-(* let c = MQIConn.pgc handle in
- let rset_list = (* lista di singoletti:resource_set di un elemento *)
- (List.fold_left (fun acc (uri,l) ->
- let qq = "select uri from hrefRel order by uri asc" in
- let res = c#exec qq in
- (List.map
- (function
- [uri] -> [(uri,[])]
- | _ -> assert false )
- res#get_list) @ acc
- )
- [] rset
- )
- in
- let rec edup = function
- [] -> []
- | rs1::tl -> union_ex rs1 (edup tl)
- in
- edup rset_list
-*)
-
- else (* con assegnamenti *)
- if inv then (* INVERSA *)
- let c = MQIConn.pgc handle in
- let rset_list = (* lista di singoletti:resource_set di un elemento *)
- (List.fold_left (fun acc (uri,l) ->
- let qq = "select uri, position, depth from hrefRel order by uri asc" in
- let res = c#exec qq in
- let pos = search "position" assl in
- let dep = search "depth" assl in
- if ((pos != "") && (dep != "")) then (*caso in cui voglio sia position che depth*)
- (List.map
- (function
- [uri;position;depth] -> [(uri,[[((pos, []),[position]);((dep, []),[depth])]])]
- | _ -> assert false )
- res#get_list) @ acc
- else
- if (dep = "") then (* voglio solo position *)
- (List.map
- (function
- [uri;position;depth] -> [(uri,[[((pos, []),[position])]])]
- | _ -> assert false )
- res#get_list) @ acc
- else (* voglio solo depth *)
- (List.map
- (function
- [uri;position;depth] -> [(uri,[[((dep, []),[depth])]])]
- | _ -> assert false )
- res#get_list) @ acc
-
- )
- [] rset
- )
- in
- let rec edup = function
- [] -> []
- | rs1::tl -> union_ex rs1 (edup tl)
- in
- edup rset_list
- else (* DIRETTA, con risorsa nulla *)
- let c = MQIConn.pgc handle in
- let rset_list = (* lista di singoletti:resource_set di un elemento *)
- (List.fold_left (fun acc (uri,l) ->
- let qq = "select position, depth from hrefRel order by uri asc" in
- let res = c#exec qq in
- let pos = search "position" assl in
- let dep = search "depth" assl in
- if ((pos != "") && (dep != "")) then (*caso in cui voglio sia position che depth*)
- (List.map
- (function
- [position;depth] -> [("",[[((pos, []),[position]);((dep, []),[depth])]])]
- | _ -> assert false )
- res#get_list) @ acc
- else
- if (dep = "") then (* voglio solo position *)
- (List.map
- (function
- [position;depth] -> [("",[[((pos, []),[position])]])]
- | _ -> assert false )
- res#get_list) @ acc
- else (* voglio solo depth *)
- (List.map
- (function
- [position;depth] -> [("",[[((dep, []),[depth])]])]
- | _ -> assert false )
- res#get_list) @ acc
-
- )
- [] rset
- )
- in
- let rec edup = function
- [] -> []
- | rs1::tl -> union_ex rs1 (edup tl)
- in
- edup rset_list
-
-
-
-
-
-(* Fine proprieta` refRel *)
-
-
-
-
- | "refSort" -> (* proprietà refSort *)
- if assl = [] then [] (* se non ci sono assegnamenti *)
-(* let c = MQIConn.pgc handle in
- let rset_list = (* lista di singoletti:resource_set di un elemento *)
- (List.fold_left (fun acc (uri,l) ->
- let qq = "select uri from hrefSort order by uri asc" in
- let res = c#exec qq in
- (List.map
- (function
- [uri] -> [(uri,[])]
- | _ -> assert false )
- res#get_list) @ acc
-
- )
- [] rset
- )
- in
- let rec edup = function
- [] -> []
- | rs1::tl -> union_ex rs1 (edup tl)
- in
- edup rset_list
-*)
-
-
- else (* con assegnamenti *)
- if inv then (*INVERSA ----> SISTEMARE: vedi refRel!!!!*)
- let c = MQIConn.pgc handle in
- let rset_list = (* lista di singoletti:resource_set di un elemento *)
- (List.fold_left (fun acc (uri,l) ->
- let qq = "select uri, position, depth, sort from hrefSort order by uri asc" in
- let res = c#exec qq in
- let pos = search "position" assl in
- let dep = search "depth" assl in
- let sor = search "sort" assl in
- if ((pos != "") && (dep != "") && (sor != "")) then (*caso in cui
- voglio position, depth e sort*)
- (List.map
- (function
- [uri;position;depth;sort] -> [(uri,[[((pos, []),[position]);((dep, []),[depth]);((sor, []),[sort])]])]
- | _ -> assert false )
- res#get_list) @ acc
- else
- if ((dep = "") && (sor = "")) then (* voglio solo position *)
- (List.map
- (function
- [uri;position;depth;sort] -> [(uri,[[((pos, []),[position])]])]
- | _ -> assert false )
- res#get_list) @ acc
-
- else
- if ((pos = "") && (sor = "")) then (* voglio solo depth *)
- (List.map
- (function
- [uri;position;depth;sort] -> [(uri,[[((dep, []),[depth])]])]
- | _ -> assert false )
- res#get_list) @ acc
-
- else
- if ((pos = "") && (dep = "")) then (* voglio solo sort *)
- (List.map
- (function
- [uri;position;depth;sort] -> [(uri,[[((sor, []),[sort])]])]
- | _ -> assert false )
- res#get_list) @ acc
-
- else
- if ((pos = "") && (dep != "") && (sor != "")) then (*voglio depth e sort*)
- (List.map
- (function
- [uri;position;depth;sort] -> [(uri,[[((dep, []),[depth]);((sor, []),[sort])]])]
- | _ -> assert false )
- res#get_list) @ acc
-
- else
- if((pos != "") && (dep = "") && (sor != "")) then (*voglio
- position e sort*)
- (List.map
- (function
- [uri;position;depth;sort] -> [(uri,[[((pos, []),[position]);((sor, []),[sort])]])]
- | _ -> assert false )
- res#get_list) @ acc
-
- else
- (* if ((pos != "") && (dep != "") && (sor = "")) then*) (*voglio
- position e depth*)
- (List.map
- (function
- [uri;position;depth;sort] -> [(uri,[[((pos, []),[position]);((dep, []),[depth])]])]
- | _ -> assert false )
- res#get_list) @ acc
-
- )
- [] rset
- )
- in
- let rec edup = function
- [] -> []
- | rs1::tl -> union_ex rs1 (edup tl)
- in
- edup rset_list
-
- else (* DIRETTA con risorsa vuota ----> SISTEMARE: vedi refRel!!!!*)
- let c = MQIConn.pgc handle in
- let rset_list = (* lista di singoletti:resource_set di un elemento *)
- (List.fold_left (fun acc (uri,l) ->
- let qq = "select position, depth, sort from hrefSort order by uri asc" in
- let res = c#exec qq in
- let pos = search "position" assl in
- let dep = search "depth" assl in
- let sor = search "sort" assl in
- if ((pos != "") && (dep != "") && (sor != "")) then (*caso in cui
- voglio position, depth e sort*)
- (List.map
- (function
- [position;depth;sort] -> [("",[[((pos, []),[position]);((dep, []),[depth]);((sor, []),[sort])]])]
- | _ -> assert false )
- res#get_list) @ acc
- else
- if ((dep = "") && (sor = "")) then (* voglio solo position *)
- (List.map
- (function
- [position;depth;sort] -> [("",[[((pos, []),[position])]])]
- | _ -> assert false )
- res#get_list) @ acc
-
- else
- if ((pos = "") && (sor = "")) then (* voglio solo depth *)
- (List.map
- (function
- [position;depth;sort] -> [("",[[((dep, []),[depth])]])]
- | _ -> assert false )
- res#get_list) @ acc
-
- else
- if ((pos = "") && (dep = "")) then (* voglio solo sort *)
- (List.map
- (function
- [position;depth;sort] -> [("",[[((sor, []),[sort])]])]
- | _ -> assert false )
- res#get_list) @ acc
-
- else
- if ((pos = "") && (dep != "") && (sor != "")) then (*voglio depth e sort*)
- (List.map
- (function
- [position;depth;sort] -> [("",[[((dep, []),[depth]);((sor, []),[sort])]])]
- | _ -> assert false )
- res#get_list) @ acc
-
- else
- if((pos != "") && (dep = "") && (sor != "")) then (*voglio
- position e sort*)
- (List.map
- (function
- [position;depth;sort] -> [("",[[((pos, []),[position]);((sor, []),[sort])]])]
- | _ -> assert false )
- res#get_list) @ acc
-
- else
- (* if ((pos != "") && (dep != "") && (sor = "")) then*) (*voglio
- position e depth*)
- (List.map
- (function
- [position;depth;sort] -> [("",[[((pos, []),[position]);((dep, []),[depth])]])]
- | _ -> assert false )
- res#get_list) @ acc
-
- )
- [] rset
- )
- in
- let rec edup = function
- [] -> []
- | rs1::tl -> union_ex rs1 (edup tl)
- in
- edup rset_list
-
-
-
-(* Fine proprieta` refSort *)
-
-
-
- | _ -> []
-
-;;
-
-
-
-(**** IMPLEMENTAZIONE DELLA RELATION PER GALAX ****)
-
-
-(* trasforma un uri in un filename *)
-let tofname uri =
- if String.contains uri ':' then
- (let len = String.length uri in
- let scuri = String.sub uri 4 (len-4) in (*tolgo cic:*)
- if String.contains scuri '#' then
- (let pos = String.index scuri '#' in
- let s1 = Str.string_before scuri pos in
- let xp = Str.string_after scuri pos in
- let xp = Str.global_replace (Str.regexp "#xpointer(1") "" xp in
- let xp = Str.global_replace (Str.regexp "\/") "," xp in
- let xp = Str.global_replace (Str.regexp ")") "" xp in
- let fname = (s1 ^ xp) in
- fname)
- else
- scuri)
- else uri
-
-
-(* prende una lista di uri (contenente alternativamente uri e pos) e costruisce una lista di resource *)
-let rec rsetl uril vvar =
- match uril with
- | uri::tl -> let scuri = (*tofname*) uri in
- [(scuri, [[((vvar, []), [(List.hd tl)])]])]::(rsetl (List.tl tl) vvar)
- | [] -> []
-
-
-(* prende una resource e una vvar e restituisce la lista delle resource in relazione (refObj o backPointer in base al parametro "path") con tale resource e associa alla proprieta' il nome della vvar contenuto in "assl" *)
-let muse path assl r =
- let vvar = if assl = [] then "position"
- else List.hd assl
- in
- let uri = fst r in
- let furi = tofname uri in
- let dtag = fst path in
- let dir =
- match dtag with
- "refObj" -> "/projects/helm/metadata/create4/forward"
- | _ -> "/projects/helm/metadata/create4/backward"
- in
- let xq ="namespace h=\"http://www.cs.unibo.it/helm/schemas/mattone.rdf#\"
- namespace rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"
- for $i in document(" ^ "\"" ^ dir ^ furi ^ ".xml" ^ "\"" ^
- ")/rdf:RDF/h:Object/h:" ^ dtag ^ "/h:Occurrence
- return ($i/h:occurrence, $i/h:position)"
-
- in
- let uril = Toputils.eval_query_string xq in (* e' una lista di liste di stringhe*)
- let hd_uril = List.hd uril in(*prendo la testa che contiene altern. lista di uri e pos. *)
- let rset_list = rsetl hd_uril vvar in (* da hd_uril costruisco una lista di resource_set(singoletti)*)
- let rec edup = function
- [] -> []
- | rs1::tl -> union_ex rs1 (edup tl)
- in
- edup rset_list
-
-
-
-
-(* prende un resource_set, una vvar (primo el. di assl) a cui associare la posizione, e la relazione (refObj o backPointer) e per ogni resource chiama la muse
-NOTA: "rop" per ora non viene usato perche' vale sempre "ExactOp" *)
-let relation_galax_ex handle inv rop path rset assl = []
-
-(*
-
- List.stable_sort (fun (uri1,l1) (uri2,l2) -> compare uri1 uri2) (List.concat (List.map (muse path assl) rset))
-
-*)