branch for universe

[helm.git] / components / metadata / metadataTypes.ml

diff --git a/components/metadata/metadataTypes.ml b/components/metadata/metadataTypes.ml
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+(* Copyright (C) 2004, 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://helm.cs.unibo.it/
+ *)
+
+(* $Id$ *)
+
+let position_prefix = "http://www.cs.unibo.it/helm/schemas/schema-helm#"
+(* let position_prefix = "" *)
+
+let inconcl_pos = position_prefix ^ "InConclusion"
+let mainconcl_pos = position_prefix ^ "MainConclusion"
+let mainhyp_pos = position_prefix ^ "MainHypothesis"
+let inhyp_pos = position_prefix ^ "InHypothesis"
+let inbody_pos = position_prefix ^ "InBody"
+
+type relation = 
+  | Eq of int
+  | Le of int
+  | Lt of int
+  | Ge of int
+  | Gt of int
+
+type main_position =
+  [ `MainConclusion of relation option (* Pi depth *)
+  | `MainHypothesis of relation option (* Pi depth *)
+  ]
+
+type position =
+  [ main_position
+  | `InConclusion
+  | `InHypothesis
+  | `InBody
+  ]
+
+type pi_depth = int
+
+type metadata =
+  [ `Sort of Cic.sort * main_position
+  | `Rel of main_position
+  | `Obj of UriManager.uri * position
+  ]
+
+type constr =
+  [ `Sort of Cic.sort * main_position list
+  | `Rel of main_position list
+  | `Obj of UriManager.uri * position list
+  ]
+
+let constr_of_metadata: metadata -> constr = function
+  | `Sort (sort, pos) -> `Sort (sort, [pos])
+  | `Rel pos -> `Rel [pos]
+  | `Obj (uri, pos) -> `Obj (uri, [pos])
+
+  (** the name of the tables in the DB *)
+let sort_tbl_original = "refSort"
+let rel_tbl_original = "refRel"
+let obj_tbl_original = "refObj"
+let name_tbl_original = "objectName"
+let count_tbl_original = "count"
+let hits_tbl_original = "hits"
+
+  (** the names currently used *)
+let sort_tbl_real = ref sort_tbl_original
+let rel_tbl_real = ref rel_tbl_original
+let obj_tbl_real = ref obj_tbl_original
+let name_tbl_real = ref name_tbl_original 
+let count_tbl_real = ref count_tbl_original
+
+  (** the exported symbols *)
+let sort_tbl () = ! sort_tbl_real ;; 
+let rel_tbl () = ! rel_tbl_real ;; 
+let obj_tbl () = ! obj_tbl_real ;; 
+let name_tbl () = ! name_tbl_real ;; 
+let count_tbl () = ! count_tbl_real ;; 
+
+  (** to use the owned tables *)
+let ownerize_tables owner =
+  sort_tbl_real := ( sort_tbl_original ^ "_" ^ owner) ;
+  rel_tbl_real := ( rel_tbl_original ^ "_" ^ owner) ;
+  obj_tbl_real := ( obj_tbl_original ^ "_" ^ owner) ;
+  name_tbl_real := ( name_tbl_original ^ "_" ^ owner);
+  count_tbl_real := ( count_tbl_original ^ "_" ^ owner)
+;;
+
+let library_sort_tbl =   sort_tbl_original
+let library_rel_tbl = rel_tbl_original
+let library_obj_tbl = obj_tbl_original
+let library_name_tbl = name_tbl_original
+let library_count_tbl = count_tbl_original
+let library_hits_tbl = hits_tbl_original
+
+let are_tables_ownerized () =
+  sort_tbl () <> library_sort_tbl
+