branch for universe

[helm.git] / components / metadata / metadataPp.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/
+ *)
+
+(* $Id$ *)
+
+open Printf
+
+open MetadataTypes
+
+let pp_relation r = 
+  match r with
+  | Eq i -> sprintf "= %d" i
+  | Ge i -> sprintf ">= %d" i
+  | Gt i -> sprintf "> %d" i
+  | Le i -> sprintf "<= %d" i
+  | Lt i -> sprintf "< %d" i
+
+let pp_position = function
+  | `MainConclusion (Some d) -> sprintf "MainConclusion(%s)" (pp_relation d)
+  | `MainConclusion None -> sprintf "MainConclusion"
+  | `MainHypothesis (Some d) -> sprintf "MainHypothesis(%s)" (pp_relation d)
+  | `MainHypothesis None -> "MainHypothesis"
+  | `InConclusion -> "InConclusion"
+  | `InHypothesis -> "InHypothesis"
+  | `InBody -> "InBody"
+
+let pp_position_tag = function
+  | `MainConclusion _ -> mainconcl_pos
+  | `MainHypothesis _ -> mainhyp_pos
+  | `InConclusion -> inconcl_pos
+  | `InHypothesis -> inhyp_pos
+  | `InBody -> inbody_pos
+
+let columns_of_position pos =
+  match pos with
+  | `MainConclusion (Some (Eq d)) -> `String mainconcl_pos, `Int d
+  | `MainConclusion None -> `String mainconcl_pos, `Null
+  | `MainHypothesis (Some (Eq d)) -> `String mainhyp_pos, `Int d
+  | `MainHypothesis None -> `String mainhyp_pos, `Null
+  | `InConclusion -> `String inconcl_pos, `Null
+  | `InHypothesis -> `String inhyp_pos, `Null
+  | `InBody -> `String inbody_pos, `Null
+  | _ -> assert false 
+
+(*
+let metadata_ns = "http://www.cs.unibo.it/helm/schemas/schema-helm"
+let uri_of_pos pos = String.concat "#" [metadata_ns; pp_position pos]
+*)
+
+type t = [ `Int of int | `String of string | `Null ]
+
+let columns_of_metadata_aux ~about metadata =
+  let sort s = `String (CicPp.ppsort s) in
+  let source = `String (UriManager.string_of_uri about) in
+  let occurrence u = `String (UriManager.string_of_uri u) in
+  List.fold_left
+    (fun (sort_cols, rel_cols, obj_cols) metadata ->
+      match metadata with
+      | `Sort (s, p) ->
+          let (p, d) = columns_of_position (p :> position) in
+          [source; p; d; sort s] :: sort_cols, rel_cols, obj_cols
+      | `Rel p ->
+          let (p, d) = columns_of_position (p :> position) in
+          sort_cols, [source; p; d] :: rel_cols, obj_cols
+      | `Obj (o, p) ->
+          let (p, d) = columns_of_position p in
+          sort_cols, rel_cols,
+          [source; occurrence o; p; d] :: obj_cols)
+    ([], [], []) metadata
+
+let columns_of_metadata metadata =
+  List.fold_left
+    (fun (sort_cols, rel_cols, obj_cols) (uri, _, metadata) ->
+      let (s, r, o) = columns_of_metadata_aux ~about:uri metadata in
+      (List.append sort_cols s, List.append rel_cols r, List.append obj_cols o))
+    ([], [], []) metadata
+
+let pp_constr =
+  function
+    | `Sort (sort, p) -> 
+       sprintf "Sort %s; [%s]" 
+         (CicPp.ppsort sort) (String.concat ";" (List.map pp_position p))
+    | `Rel p -> sprintf "Rel [%s]" (String.concat ";" (List.map pp_position p))
+    | `Obj (uri, p) -> sprintf "Obj %s; [%s]" 
+       (UriManager.string_of_uri uri) (String.concat ";" (List.map pp_position p))
+ 
+(*
+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))
+*)
+
+