[tracker/ontology-cache: 4/5] libtracker-data: Add function to load ontologies gvdb file

[Jürg Billeter <juergbi src gnome org>]

commit 545c9408ecc1573c1a44f861c4cb585da4bf08b1
Author: Jürg Billeter <j bitron ch>
Date:   Wed Dec 1 16:02:29 2010 +0100

    libtracker-data: Add function to load ontologies gvdb file

 src/libtracker-data/tracker-ontologies.c |   31 ++++++++++++++++++++++++++++++
 src/libtracker-data/tracker-ontologies.h |    2 +
 2 files changed, 33 insertions(+), 0 deletions(-)
---
diff --git a/src/libtracker-data/tracker-ontologies.c b/src/libtracker-data/tracker-ontologies.c
index 8f46dae..bd5c29d 100644
--- a/src/libtracker-data/tracker-ontologies.c
+++ b/src/libtracker-data/tracker-ontologies.c
@@ -26,6 +26,7 @@
 #include <glib.h>
 
 #include <gvdb/gvdb-builder.h>
+#include <gvdb/gvdb-reader.h>
 #include <libtracker-common/tracker-ontologies.h>
 
 #include "tracker-ontologies.h"
@@ -65,6 +66,11 @@ static GHashTable *id_uri_pairs;
 /* rdf:type */
 static TrackerProperty *rdf_type = NULL;
 
+static GvdbTable *gvdb_table;
+static GvdbTable *gvdb_namespaces_table;
+static GvdbTable *gvdb_classes_table;
+static GvdbTable *gvdb_properties_table;
+
 void
 tracker_ontologies_init (void)
 {
@@ -155,6 +161,20 @@ tracker_ontologies_shutdown (void)
 		rdf_type = NULL;
 	}
 
+	if (gvdb_table) {
+		gvdb_table_unref (gvdb_properties_table);
+		gvdb_properties_table = NULL;
+
+		gvdb_table_unref (gvdb_classes_table);
+		gvdb_classes_table = NULL;
+
+		gvdb_table_unref (gvdb_namespaces_table);
+		gvdb_namespaces_table = NULL;
+
+		gvdb_table_unref (gvdb_table);
+		gvdb_table = NULL;
+	}
+
 	initialized = FALSE;
 }
 
@@ -390,3 +410,14 @@ tracker_ontologies_write_gvdb (const gchar  *filename,
 
 	g_hash_table_unref (table);
 }
+
+void
+tracker_ontologies_load_gvdb (const gchar  *filename,
+                              GError      **error)
+{
+	gvdb_table = gvdb_table_new (filename, TRUE, error);
+
+	gvdb_namespaces_table = gvdb_table_get_table (gvdb_table, "namespaces");
+	gvdb_classes_table = gvdb_table_get_table (gvdb_table, "classes");
+	gvdb_properties_table = gvdb_table_get_table (gvdb_table, "properties");
+}
diff --git a/src/libtracker-data/tracker-ontologies.h b/src/libtracker-data/tracker-ontologies.h
index b4a5a71..d6868df 100644
--- a/src/libtracker-data/tracker-ontologies.h
+++ b/src/libtracker-data/tracker-ontologies.h
@@ -61,6 +61,8 @@ void               tracker_ontologies_add_id_uri_pair      (gint              id
 
 void               tracker_ontologies_write_gvdb           (const gchar      *filename,
                                                             GError          **error);
+void               tracker_ontologies_load_gvdb            (const gchar      *filename,
+                                                            GError          **error);
 
 G_END_DECLS