66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_COMPHELPER_SCOPEGUARD_HXX
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#define INCLUDED_COMPHELPER_SCOPEGUARD_HXX
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#include <comphelper/comphelperdllapi.h>
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#include <boost/function.hpp>
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#include <boost/bind.hpp>
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namespace comphelper {
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/** ScopeGuard to ease writing exception-safe code.
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*/
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class COMPHELPER_DLLPUBLIC ScopeGuard
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{
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public:
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enum exc_handling { IGNORE_EXCEPTIONS, ALLOW_EXCEPTIONS };
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/** @param func function object to be executed in dtor
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@param excHandling switches whether thrown exceptions in dtor will be
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silently ignored (but OSL_ asserted)
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*/
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template <typename func_type>
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explicit ScopeGuard( func_type const & func,
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exc_handling excHandling = IGNORE_EXCEPTIONS )
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: m_func( func ), m_excHandling( excHandling ) {}
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~ScopeGuard();
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/** Dismisses the scope guard, i.e. the function won't
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be executed.
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*/
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void dismiss();
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private:
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// noncopyable until we have good reasons...
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ScopeGuard(const ScopeGuard&) SAL_DELETED_FUNCTION;
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ScopeGuard& operator=(const ScopeGuard&) SAL_DELETED_FUNCTION;
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::boost::function0<void> m_func; // preferring portable syntax
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exc_handling const m_excHandling;
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};
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} // namespace comphelper
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#endif // ! defined(INCLUDED_COMPHELPER_SCOPEGUARD_HXX)
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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