xref: /aoo42x/main/autodoc/inc/ary/getncast.hxx (revision cdf0e10c)
1 /*************************************************************************
2  *
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * Copyright 2000, 2010 Oracle and/or its affiliates.
6  *
7  * OpenOffice.org - a multi-platform office productivity suite
8  *
9  * This file is part of OpenOffice.org.
10  *
11  * OpenOffice.org is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU Lesser General Public License version 3
13  * only, as published by the Free Software Foundation.
14  *
15  * OpenOffice.org is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Lesser General Public License version 3 for more details
19  * (a copy is included in the LICENSE file that accompanied this code).
20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * version 3 along with OpenOffice.org.  If not, see
23  * <http://www.openoffice.org/license.html>
24  * for a copy of the LGPLv3 License.
25  *
26  ************************************************************************/
27 
28 #ifndef ARY_GETNCAST_HXX
29 #define ARY_GETNCAST_HXX
30 
31 
32 // USED SERVICES
33 #include <ary/object.hxx>
34 
35 
36 
37 
38 namespace ary
39 {
40 
41 
42 template <class DEST>
43 inline bool
44 is_type(const ary::Object & i_obj)
45 {
46     return i_obj.AryClass() == DEST::class_id;
47 }
48 
49 
50 template <class DEST>
51 inline const DEST &
52 ary_cast( const Object & ce)
53 {
54     csv_assert( is_type<DEST>(ce) );
55     return static_cast< const DEST& >(ce);
56 }
57 
58 template <class DEST>
59 inline DEST &
60 ary_cast( Object & ce)
61 {
62     csv_assert( is_type<DEST>(ce) );
63     return static_cast< DEST& >(ce);
64 }
65 
66 template <class DEST>
67 inline const DEST *
68 ary_cast( const Object * ce)
69 {
70     if ( ce ? is_type<DEST>(*ce) : false )
71         return static_cast< const DEST* >(ce);
72     return 0;
73 }
74 
75 template <class DEST>
76 inline DEST *
77 ary_cast( Object * ce)
78 {
79     if ( ce ? is_type<DEST>(*ce) : false )
80         return static_cast< DEST* >(ce);
81     return 0;
82 }
83 
84 
85 
86 
87 }   // namespace ary
88 #endif
89