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[helm.git] / helm / ocaml / mathql_interpreter / func.ml

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-(* 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/.
- *)
-
-(*
- *
- *)
-
-open Dbconn;;
-open Utility;;
-open MathQL;;
-
-(*
- * implementazione della funzione NAME
- *)
-let func_name value =
- try (
-  let i = Str.search_forward (Str.regexp "[^/]*\.") value 0 in
-   let s = Str.matched_string value in 
-    let retVal = Str.string_before s ((String.length s) - 1) in
-     retVal
- ) with
-  Not_found -> ""
-;;
-
-(*
- *
- *)
-let func_theory value =
- ""
-;;
-
-(*
- * implementazione delle funzioni dublin core
- *)
-let func_dc (value, name) =
- let c = pgc ()
- and p = helm_property_id name in
-  pgresult_to_string (c#exec ("select t" ^ p ^ ".att1 from t" ^ p ^ " where " ^ "t" ^ p ^ ".att0 = '" ^ value ^ "'"))
-;;
-
-(*
- *
- *)
-let apply_func f value =
- match f with
-    MQName         -> func_name value
- |  MQTheory       -> func_theory value
- |  MQTitle        -> func_dc (value, "title")
- |  MQContributor  -> func_dc (value, "contributor")
- |  MQCreator      -> func_dc (value, "creator")
- |  MQPublisher    -> func_dc (value, "publisher")
- |  MQSubject      -> func_dc (value, "subject")
- |  MQDescription  -> func_dc (value, "description")
- |  MQDate         -> func_dc (value, "date")
- |  MQType         -> func_dc (value, "type")
- |  MQFormat       -> func_dc (value, "format")
- |  MQIdentifier   -> func_dc (value, "identifier")
- |  MQLanguage     -> func_dc (value, "language")
- |  MQRelation     -> func_dc (value, "relation")
- |  MQSource       -> func_dc (value, "source")
- |  MQCoverage     -> func_dc (value, "coverage")
- |  MQRights       -> func_dc (value, "rights")
- |  MQInstitution  -> func_dc (value, "institution")
- |  MQContact      -> func_dc (value, "contact")
- |  MQFirstVersion -> func_dc (value, "firstversion")
- |  MQModified     -> func_dc (value, "modified")
-;;
-