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Diffstat (limited to 'include/comphelper/flagguard.hxx')
-rw-r--r-- | include/comphelper/flagguard.hxx | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/include/comphelper/flagguard.hxx b/include/comphelper/flagguard.hxx new file mode 100644 index 000000000000..af1f1ea1e4fd --- /dev/null +++ b/include/comphelper/flagguard.hxx @@ -0,0 +1,78 @@ +/* -*- 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 COMPHELPER_FLAGGUARD_HXX +#define COMPHELPER_FLAGGUARD_HXX + +#include "comphelper/scopeguard.hxx" + +//...................................................................................................................... +namespace comphelper +{ +//...................................................................................................................... + + //================================================================================================================== + //= FlagRestorationGuard + //================================================================================================================== + class COMPHELPER_DLLPUBLIC FlagRestorationGuard : public ScopeGuard + { + public: + FlagRestorationGuard( bool& i_flagRef, bool i_temporaryValue, exc_handling i_excHandling = IGNORE_EXCEPTIONS ) + :ScopeGuard( ::boost::bind( RestoreFlag, ::boost::ref( i_flagRef ), !!i_flagRef ), i_excHandling ) + { + i_flagRef = i_temporaryValue; + } + + ~FlagRestorationGuard(); + + private: + static void RestoreFlag( bool& i_flagRef, bool i_originalValue ) + { + i_flagRef = i_originalValue; + } + }; + + //================================================================================================================== + //= FlagGuard + //================================================================================================================== + class COMPHELPER_DLLPUBLIC FlagGuard : public ScopeGuard + { + public: + explicit FlagGuard( bool& i_flagRef, exc_handling i_excHandling = IGNORE_EXCEPTIONS ) + :ScopeGuard( ::boost::bind( ResetFlag, ::boost::ref( i_flagRef ) ), i_excHandling ) + { + i_flagRef = true; + } + + ~FlagGuard(); + + private: + static void ResetFlag( bool& i_flagRef ) + { + i_flagRef = false; + } + }; + +//...................................................................................................................... +} // namespace comphelper +//...................................................................................................................... + +#endif // COMPHELPER_FLAGGUARD_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |