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       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 COMPHELPER_FLAGGUARD_HXX
      21             : #define COMPHELPER_FLAGGUARD_HXX
      22             : 
      23             : #include "comphelper/scopeguard.hxx"
      24             : 
      25             : //......................................................................................................................
      26             : namespace comphelper
      27             : {
      28             : //......................................................................................................................
      29             : 
      30             :     //==================================================================================================================
      31             :     //= FlagRestorationGuard
      32             :     //==================================================================================================================
      33             :     class COMPHELPER_DLLPUBLIC FlagRestorationGuard : public ScopeGuard
      34             :     {
      35             :     public:
      36           0 :         FlagRestorationGuard( bool& i_flagRef, bool i_temporaryValue, exc_handling i_excHandling = IGNORE_EXCEPTIONS )
      37           0 :             :ScopeGuard( ::boost::bind( RestoreFlag, ::boost::ref( i_flagRef ), !!i_flagRef ), i_excHandling )
      38             :         {
      39           0 :             i_flagRef = i_temporaryValue;
      40           0 :         }
      41             : 
      42             :         ~FlagRestorationGuard();
      43             : 
      44             :     private:
      45           0 :         static void RestoreFlag( bool& i_flagRef, bool i_originalValue )
      46             :         {
      47           0 :             i_flagRef = i_originalValue;
      48           0 :         }
      49             :     };
      50             : 
      51             :     //==================================================================================================================
      52             :     //= FlagGuard
      53             :     //==================================================================================================================
      54             :     class COMPHELPER_DLLPUBLIC FlagGuard : public ScopeGuard
      55             :     {
      56             :     public:
      57           3 :         explicit FlagGuard( bool& i_flagRef, exc_handling i_excHandling = IGNORE_EXCEPTIONS )
      58           3 :             :ScopeGuard( ::boost::bind( ResetFlag, ::boost::ref( i_flagRef ) ), i_excHandling )
      59             :         {
      60           3 :             i_flagRef = true;
      61           3 :         }
      62             : 
      63             :         ~FlagGuard();
      64             : 
      65             :     private:
      66           3 :         static void ResetFlag( bool& i_flagRef )
      67             :         {
      68           3 :             i_flagRef = false;
      69           3 :         }
      70             :     };
      71             : 
      72             : //......................................................................................................................
      73             : } // namespace comphelper
      74             : //......................................................................................................................
      75             : 
      76             : #endif // COMPHELPER_FLAGGUARD_HXX
      77             : 
      78             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */