[tracker] libtracker-data: Add tracker_data_manager_get_namespaces()

[Carlos Garnacho <carlosg src gnome org>]

commit cce1b90bd893d8f0db8a8ad62e3f04305903604a
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Jul 11 00:01:07 2017 +0200

    libtracker-data: Add tracker_data_manager_get_namespaces()
    
    This will be used to fill in TrackerNamespaceManager objects that are
    specific to a TrackerSparqlConnection.

 src/libtracker-data/libtracker-data.vapi   |    1 +
 src/libtracker-data/tracker-data-manager.c |   19 +++++++++++++++++++
 src/libtracker-data/tracker-data-manager.h |    2 ++
 3 files changed, 22 insertions(+), 0 deletions(-)
---
diff --git a/src/libtracker-data/libtracker-data.vapi b/src/libtracker-data/libtracker-data.vapi
index 294b735..b2582c8 100644
--- a/src/libtracker-data/libtracker-data.vapi
+++ b/src/libtracker-data/libtracker-data.vapi
@@ -241,6 +241,7 @@ namespace Tracker {
                public unowned DBInterface get_wal_db_interface ();
                public unowned Data.Update get_data ();
                public void shutdown ();
+               public GLib.HashTable<string,string> get_namespaces ();
        }
 
        [CCode (cheader_filename = "libtracker-data/tracker-db-interface-sqlite.h")]
diff --git a/src/libtracker-data/tracker-data-manager.c b/src/libtracker-data/tracker-data-manager.c
index d38b90a..737b2f8 100644
--- a/src/libtracker-data/tracker-data-manager.c
+++ b/src/libtracker-data/tracker-data-manager.c
@@ -4672,3 +4672,22 @@ tracker_data_manager_shutdown (TrackerDataManager *manager)
 {
        g_object_run_dispose (G_OBJECT (manager));
 }
+
+GHashTable *
+tracker_data_manager_get_namespaces (TrackerDataManager *manager)
+{
+       TrackerNamespace **namespaces;
+       guint i, n_namespaces;
+       GHashTable *ht;
+
+       ht = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
+       namespaces = tracker_ontologies_get_namespaces (manager->ontologies,
+                                                       &n_namespaces);
+       for (i = 0; i < n_namespaces; i++) {
+               g_hash_table_insert (ht,
+                                    g_strdup (tracker_namespace_get_prefix (namespaces[i])),
+                                    g_strdup (tracker_namespace_get_uri (namespaces[i])));
+       }
+
+       return ht;
+}
diff --git a/src/libtracker-data/tracker-data-manager.h b/src/libtracker-data/tracker-data-manager.h
index 828d078..cc9aa3b 100644
--- a/src/libtracker-data/tracker-data-manager.h
+++ b/src/libtracker-data/tracker-data-manager.h
@@ -86,6 +86,8 @@ TrackerData *        tracker_data_manager_get_data            (TrackerDataManage
 gboolean tracker_data_manager_init_fts               (TrackerDBInterface     *interface,
                                                      gboolean                create);
 
+GHashTable *         tracker_data_manager_get_namespaces      (TrackerDataManager *manager);
+
 G_END_DECLS
 
 #endif /* __LIBTRACKER_DATA_MANAGER_H__ */