/*************************************************************************
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#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
