2 * CDE - Common Desktop Environment
4 * Copyright (c) 1993-2012, The Open Group. All rights reserved.
6 * These libraries and programs are free software; you can
7 * redistribute them and/or modify them under the terms of the GNU
8 * Lesser General Public License as published by the Free Software
9 * Foundation; either version 2 of the License, or (at your option)
12 * These libraries and programs are distributed in the hope that
13 * they will be useful, but WITHOUT ANY WARRANTY; without even the
14 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU Lesser General Public License for more
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with these librararies and programs; if not, write
20 * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
21 * Floor, Boston, MA 02110-1301 USA
23 /* $XConsortium: TypeId.h /main/1 1996/07/29 17:06:57 cde-hp $ */
24 // Copyright (c) 1994 James Clark
25 // See the file COPYING for copying permission.
27 #ifndef TypeId_INCLUDED
28 #define TypeId_INCLUDED 1
31 namespace SP_NAMESPACE {
35 #define SP_API /* as nothing */
40 TypeId(const void *const *bases) : bases_(bases) { }
41 // Is this object of type ti?
42 int isA(TypeId ti) const;
43 // Can an object with this dynamic type be cast from a static type FROM
44 // to a static type TO?
45 int canCast(TypeId to, TypeId from) const;
46 int operator==(TypeId ti) const { return bases_ == ti.bases_; }
47 int operator!=(TypeId ti) const { return bases_ != ti.bases_; }
49 const void *const *bases_;
56 #endif /* not TypeId_INCLUDED */