--- /dev/null
+#ifndef UOBJECT_H_
+#define UOBJECT_H_
+
+#include <glib-object.h>
+#include "upkg.h"
+#include "avl.h"
+
+#define U_OBJECT_TYPE u_object_get_type()
+#define U_OBJECT(obj) \
+ G_TYPE_CHECK_INSTANCE_CAST(obj, U_OBJECT_TYPE, UObject)
+#define U_OBJECT_CLASS(class) \
+ G_TYPE_CHECK_CLASS_CAST(class, U_OBJECT_TYPE, UObjectClass)
+#define IS_U_OBJECT(obj) \
+ G_TYPE_CHECK_INSTANCE_TYPE(obj, U_OBJECT_TYPE)
+#define IS_U_OBJECT_CLASS(class) \
+ G_TYPE_CHECK_CLASS_TYPE(class, U_OBJECT_TYPE, UObjectClass)
+#define U_OBJECT_GET_CLASS(obj) \
+ G_TYPE_INSTANCE_GET_CLASS(obj, U_OBJECT_TYPE, UObjectClass)
+
+typedef struct UObject UObject;
+typedef struct UObjectClass UObjectClass;
+
+struct UObject {
+ GObject parent;
+};
+
+struct UObjectClass {
+ GObjectClass parent;
+
+ int (*deserialize)(UObject *obj, struct upkg_file *f);
+};
+
+GType u_object_get_type(void);
+
+const GValue *u_object_get_property(UObject *obj, const char *name);
+void u_object_set_property(UObject *obj, const char *name, const GValue *val);
+
+int u_object_deserialize(GObject *obj, struct upkg_file *f);
+
+#endif