X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fmathql_interpreter%2Frelation.ml;h=ea4fb9cc3525061ff92a2bfd67fe82780e46f271;hb=a96d91e43e25d3d5b36e7c3646831bcf8a401c9d;hp=159369ad2b55fe0469dcc41e158f16a1b0619613;hpb=ba824e867afc3eaf081ed1a1d6526d421242a6a0;p=helm.git

diff --git a/helm/ocaml/mathql_interpreter/relation.ml b/helm/ocaml/mathql_interpreter/relation.ml
index 159369ad2..ea4fb9cc3 100644
--- a/helm/ocaml/mathql_interpreter/relation.ml
+++ b/helm/ocaml/mathql_interpreter/relation.ml
@@ -39,16 +39,14 @@ open Utility;;
 
 
 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
@@ -57,11 +55,11 @@ let relation_ex rop path rset 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
 	          )		      
@@ -74,3 +72,74 @@ let relation_ex rop path rset attl =
   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))
+
+