(* Copyright (C) 2000, HELM Team.
*
- * This file is part of HELM, an Hypertextual, Electronic
+ *
+ if This file is part of HELM, an Hypertextual, Electronic
* Library of Mathematics, developed at the Computer Science
* Department, University of Bologna, Italy.
*
open Utility;;
+(* 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 propl =
- let prop = List.hd propl in
+let get_prop_id prop =
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 usek = get_prop_id path in
- let vvar = if attl = [] then "position"
- else List.hd attl
- in
- let c = pgc () 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='" ^ uri ^ "'")) in
- let qq = "select uri, context 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])]])]
- | _ -> assert false )
- res#get_list) @ acc
- )
- [] rset
- )
- in
- let rec edup = function
- [] -> []
- | rs1::tl -> union_ex rs1 (edup tl)
- in
- edup rset_list
+let relation_ex 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 = pgc () 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='" ^ 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 = pgc () 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='" ^ 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 = pgc () 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 = pgc () 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 = pgc () 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 = pgc () 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 = pgc () 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 = pgc () 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 inv rop path rset assl = []
+
+(*
+
+ List.stable_sort (fun (uri1,l1) (uri2,l2) -> compare uri1 uri2) (List.concat (List.map (muse path assl) rset))
+
+*)