let get_prop_id propl =
- let prop = List.hd propl in
+ let prop = fst propl in
if prop="refObj" then "F"
else if prop="backPointer" then "B"
else assert false
;;
-let relation_ex rop path rset attl =
- if path = [] then []
- else
+let relation_ex inv rop path rset attl =
let usek = get_prop_id path in
let vvar = if attl = [] then "position"
else List.hd attl
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='" ^ uri ^ "'")) in
- let qq = "select uri, context from t" ^ tv ^ " where prop_id='" ^ usek ^ "' order by uri asc" in
+ let qq = "select uri, position from t" ^ tv ^ " where prop_id='" ^ usek ^ "' order by uri asc" in
let res = c#exec qq in
(List.map
(function
- [uri;context] -> [(uri,[[(vvar,[context])]])]
+ [uri;context] -> [(uri,[[((vvar, []),[context])]])]
| _ -> assert false )
res#get_list) @ acc
)
in
edup rset_list
;;
+
+
+
+(**** 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 "attl" *)
+let muse path attl r =
+ let vvar = if attl = [] then "position"
+ else List.hd attl
+ 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 attl) 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 inv rop path rset attl =
+ List.stable_sort (fun (uri1,l1) (uri2,l2) -> compare uri1 uri2) (List.concat (List.map (muse path attl) rset))
+
+