Add AgDb class

src/ag-db.h

@@ -0,0 +1,37 @@
+#ifndef __AG_DB_H__
+#define __AG_DB_H__
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define AG_TYPE_DB         (ag_db_get_type())
+#define AG_DB(o)           (G_TYPE_CHECK_INSTANCE_CAST((o), \
+                                                       AG_TYPE_DB, \
+                                                       AgDb))
+#define AG_DB_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), \
+                                                    AG_TYPE_DB, \
+                                                    AgDbClass))
+#define AG_IS_DB(o)        (G_TYPE_CHECK_INSTANCE_TYPE((o), AG_TYPE_DB))
+#define AG_IS_DB_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE((k), AG_TYPE_DB))
+#define AG_DB_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), \
+                                                      AG_TYPE_DB, \
+                                                      AgDbClass))
+
+typedef struct _AgDb      AgDb;
+typedef struct _AgDbClass AgDbClass;
+
+struct _AgDb {
+    GObject parent_instance;
+};
+
+struct _AgDbClass {
+    GObjectClass parent_class;
+};
+
+GType ag_db_get_type(void) G_GNUC_CONST;
+AgDb *ag_db_get(void);
+
+G_END_DECLS
+
+#endif /* __AG_DB_H__ */