+(* Copyright (C) 2000, 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://cs.unibo.it/helm/.
+ *)
(*
* implementazione dei comandi USE/USED BY
*
* output: string list list; lista su cui e' stato eseguito il
* comando USE/USED BY
- *
- * TODO
- * USE e USED BY sono identici dal punto di vista algoritmico, per questo
- * sono stati accorpati in una sola funzione; stilisticamente, sarebbe meglio
- * avere due implementazioni distinte...
*)
let use_ex alist asvar usek =
let c = pgc () in
List.fold_left
(fun parziale xres ->
- let r1 = pgresult_to_string (c#exec
- ("select att0 from property where att2='" ^ usek ^ "'"))
- and r2 = pgresult_to_string (c#exec
- "select att0 from property where att2='position'")
- and r3 = pgresult_to_string (c#exec
- "select att0 from property where att2='occurrence'")
+ let r1 = helm_property_id usek
+ and r2 = helm_property_id "position"
+ and r3 = helm_property_id "occurrence"
in
- let res = c#exec (
- "select distinct t" ^ r3 ^ ".att1, t" ^ r2 ^ ".att1 " ^
+ let qq = "select distinct t" ^ r3 ^ ".att1, t" ^ r2 ^ ".att1 " ^
"from t" ^ r3 ^ ", t" ^ r2 ^ ", t" ^ r1 ^ " " ^
"where " ^ "t" ^ r1 ^ ".att0 = '" ^ (List.hd xres) ^ "' and t" ^ r1 ^
".att1 = t" ^ r2 ^ ".att0 and t" ^ r1 ^ ".att1 = t" ^ r3 ^
- ".att0")
+ ".att0"
in
+ (*let _ = print_endline ("use: " ^ qq) in*)
+ let res = c#exec qq in
parziale
@
if not (List.mem asvar (List.tl (List.hd alist))) then
(List.tl alist)
;;
-(** TEST **)
-
-(*
-let use_ex alist asvar =
- if (List.find_all asvar (List.tl (List.hd alist))) = [] then
- use_ex_nc alist asvar
- else
- use_ex_co alist asvar
-;;
-
-List.map
- (fun l ->
- let t =
- match xres with
- hd::tl -> (List.hd l)::tl
- | [] -> []
- in
- let hash = List.combine (List.hd alist) t in
- snd (set_assoc asvar (snd l) hash)
- )
- (List.find_all
- (fun l ->
- let currv =
- List.hd (List.tl l)
- and xresv =
- try (
- List.assoc asvar (List.combine (List.tl (List.hd alist)) (List.tl xres))
- ) with
- Not_found -> ""
- in
- xresv = "" or xresv = currv
- )
- res#get_list
- )
-;;
-*)