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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
commit | 267c6f2ac71f92999e969232431ba04678e7437e (patch) | |
tree | 358c9467650e1d0a1d7227a21dac2e3d08b622b2 /include/comphelper/scopeguard.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip |
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/comphelper/scopeguard.hxx')
-rw-r--r-- | include/comphelper/scopeguard.hxx | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/include/comphelper/scopeguard.hxx b/include/comphelper/scopeguard.hxx new file mode 100644 index 0000000000..95832c505b --- /dev/null +++ b/include/comphelper/scopeguard.hxx @@ -0,0 +1,92 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_COMPHELPER_SCOPEGUARD_HXX +#define INCLUDED_COMPHELPER_SCOPEGUARD_HXX + +#include <sal/config.h> + +#include <utility> + +#include <o3tl/deleter.hxx> + +// For some reason, Android buildbot issues -Werror like this: +// In file included from +// /home/android/lo/master-android-arm/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx:50: +// /home/android/lo/master-android-arm/include/comphelper/scopeguard.hxx:36:14: +// error: function 'comphelper::<deduction guide for ScopeGuard><(lambda at +// /home/android/lo/master-android-arm/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx:146:34)>' +// has internal linkage but is not defined [-Werror,-Wundefined-internal] +// explicit ScopeGuard( Func && func ) : m_func( std::move(func) ) {} +// ^ +// /home/android/lo/master-android-arm/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx:146:28: +// note: used here +// comphelper::ScopeGuard guard([&]() { +// ^ +#ifdef ANDROID +#if defined __clang__ +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wundefined-internal" +#endif +#endif + + +namespace comphelper { + +/** ScopeGuard to ease writing exception-safe code. + */ +template <class Func> class ScopeGuard +{ +public: + /** @param func function object to be executed in dtor + */ + explicit ScopeGuard( Func && func ) : m_func( std::move(func) ) {} + + ~ScopeGuard() + { + if (m_bDismissed) + return; + suppress_fun_call_w_exception(m_func()); + } + + /** Dismisses the scope guard, i.e. the function won't + be executed. + */ + void dismiss() { m_bDismissed = true; } + +private: + // noncopyable until we have good reasons... + ScopeGuard(const ScopeGuard&) = delete; + ScopeGuard& operator=(const ScopeGuard&) = delete; + + Func m_func; + bool m_bDismissed = false; +}; + +} // namespace comphelper + +#ifdef ANDROID +#if defined __clang__ +#pragma clang diagnostic pop +#endif +#endif + +#endif // ! defined(INCLUDED_COMPHELPER_SCOPEGUARD_HXX) + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |