added helm-metadata module

[helm.git] / helm / ocaml / metadata / metadataPp.ml

diff --git a/helm/ocaml/metadata/metadataPp.ml b/helm/ocaml/metadata/metadataPp.ml
new file mode 100644 (file)
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+++ b/helm/ocaml/metadata/metadataPp.ml
@@ -0,0 +1,77 @@
+(* 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/
+ *)
+
+open Printf
+
+let pp_position = function
+  | `MainConclusion -> "MainConclusion"
+  | `MainHypothesis -> "MainHypothesis"
+  | `InConclusion -> "InConclusion"
+  | `InHypothesis -> "InHypothesis"
+  | `InBody -> "InBody"
+
+let metadata_ns = "http://www.cs.unibo.it/helm/schemas/schema-helm"
+let uri_of_pos pos = String.concat "#" [metadata_ns; pp_position pos]
+
+let pp_sort = function
+  | Cic.Prop -> "Prop"
+  | Cic.Set -> "Set"
+  | Cic.Type _ -> "Type"
+  | Cic.CProp -> "CProp"
+
+type t = [ `Int of int | `String of string | `Null ]
+
+let columns_of_metadata ~about metadatas =
+  let position p = `String (pp_position p) in
+  let sort s = `String (pp_sort s) in
+  let source = `String about in
+  let depth d = `Int d in
+  let depth_opt = function None -> `Null | Some d -> `Int d in
+  let occurrence u = `String u in
+  List.fold_left
+    (fun (sort_cols, rel_cols, obj_cols) metadata ->
+      match metadata with
+      | `Sort (s, p, d) ->
+          [source; position p; depth d; sort s] :: sort_cols, rel_cols, obj_cols
+      | `Rel (p, d) ->
+          sort_cols, [source; position p; depth d] :: rel_cols, obj_cols
+      | `Obj (o, p, d) ->
+          sort_cols, rel_cols,
+          [source; occurrence o; position p; depth_opt d] :: obj_cols)
+    ([], [], []) metadatas
+
+let columns_of_ind_metadata ind_metadata =
+  List.fold_left
+    (fun (sort_cols, rel_cols, obj_cols) (uri, _, metadatas) ->
+      let (s, r, o) = columns_of_metadata ~about:uri metadatas in
+      (List.append sort_cols s, List.append rel_cols r, List.append obj_cols o))
+    ([], [], []) ind_metadata
+
+let pp_columns ?(sep = "\n") (sort_cols, rel_cols, obj_cols) =
+  String.concat sep
+    ([ "Sort" ] @ List.map Dbi.sdebug (sort_cols :> Dbi.sql_t list list) @
+    [ "Rel" ] @ List.map Dbi.sdebug (rel_cols :> Dbi.sql_t list list) @
+    [ "Obj" ] @ List.map Dbi.sdebug (obj_cols :> Dbi.sql_t list list))
+