Branch data Line data Source code
1 : : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : : /*
3 : : * This file is part of the LibreOffice project.
4 : : *
5 : : * This Source Code Form is subject to the terms of the Mozilla Public
6 : : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : : *
9 : : * This file incorporates work covered by the following license notice:
10 : : *
11 : : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : : * contributor license agreements. See the NOTICE file distributed
13 : : * with this work for additional information regarding copyright
14 : : * ownership. The ASF licenses this file to you under the Apache
15 : : * License, Version 2.0 (the "License"); you may not use this file
16 : : * except in compliance with the License. You may obtain a copy of
17 : : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : : */
19 : :
20 : : #ifndef INCLUDED_COMPHELPER_SCOPEGUARD_HXX
21 : : #define INCLUDED_COMPHELPER_SCOPEGUARD_HXX
22 : :
23 : : #include "comphelper/comphelperdllapi.h"
24 : : #include "boost/function.hpp"
25 : : #include "boost/noncopyable.hpp"
26 : : #include "boost/bind.hpp"
27 : :
28 : : namespace comphelper {
29 : :
30 : : /** ScopeGuard to ease writing exception-safe code.
31 : : */
32 : : class COMPHELPER_DLLPUBLIC ScopeGuard : private ::boost::noncopyable
33 : : // noncopyable until we have
34 : : // good reasons...
35 : : {
36 : : public:
37 : : enum exc_handling { IGNORE_EXCEPTIONS, ALLOW_EXCEPTIONS };
38 : :
39 : : /** @param func function object to be executed in dtor
40 : : @param excHandling switches whether thrown exceptions in dtor will be
41 : : silently ignored (but OSL_ asserted)
42 : : */
43 : : template <typename func_type>
44 : 50326 : explicit ScopeGuard( func_type const & func,
45 : : exc_handling excHandling = IGNORE_EXCEPTIONS )
46 [ + - ]: 50326 : : m_func( func ), m_excHandling( excHandling ) {}
47 : :
48 : : ~ScopeGuard();
49 : :
50 : : /** Dismisses the scope guard, i.e. the function won't
51 : : be executed.
52 : : */
53 : : void dismiss();
54 : :
55 : : private:
56 : : ::boost::function0<void> m_func; // preferring portable syntax
57 : : exc_handling const m_excHandling;
58 : : };
59 : :
60 : : } // namespace comphelper
61 : :
62 : : #endif // ! defined(INCLUDED_COMPHELPER_SCOPEGUARD_HXX)
63 : :
64 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|