blob: f5ec5137a82f1144bd215500446a40a657f3c45a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef CONFIGMGR_AUTOOBJECT_HXX
#define CONFIGMGR_AUTOOBJECT_HXX
#include "sal/config.h"
#include "boost/utility.hpp"
#include "utility.hxx"
namespace configmgr
{
//-----------------------------------------------------------------------------
template < class Object >
class AutoObject: private boost::noncopyable
{
public:
AutoObject() : m_pObject(NULL) {}
AutoObject(Object * _obj) : m_pObject(_obj) {}
~AutoObject() { delete m_pObject; }
bool is() const;
Object * get() const;
Object * getOrCreate();
private:
Object * internalCreate();
private:
Object * m_pObject;
};
//-----------------------------------------------------------------------------
template < class Object >
inline
Object * AutoObject<Object>::get() const
{
return m_pObject;
}
//-----------------------------------------------------------------------------
template < class Object >
inline
bool AutoObject<Object>::is() const
{
return get() != NULL;
}
//-----------------------------------------------------------------------------
template < class Object >
Object * AutoObject<Object>::getOrCreate()
{
Object * p = get();
return p ? p : internalCreate();
}
//-----------------------------------------------------------------------------
template < class Object >
Object * AutoObject<Object>::internalCreate()
{
if (m_pObject == NULL)
m_pObject = new Object();
return m_pObject;
}
//-----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
} // namespace configmgr
#endif
|
