scoped_set_reset.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2016 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
#ifndef __SCOPED_SET_RESET_H
#define __SCOPED_SET_RESET_H
 
template <typename VAL_TYPE>
class SCOPED_SET_RESET
{
public:
 
 SCOPED_SET_RESET( VAL_TYPE& target, VAL_TYPE value ):
 m_target( target )
 {
 m_original = target;
 m_target = value;
 }
 
 ~SCOPED_SET_RESET()
 {
 m_target = m_original;
 }
 
private:
 VAL_TYPE m_original;
 VAL_TYPE& m_target;
};
 
#endif // __SCOPED_SET_RESET_H