68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
#ifndef NDBOOLSWITCH_H
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#define NDBOOLSWITCH_H
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/**
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* $LicenseInfo:firstyear=2013&license=fsviewerlgpl$
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* Phoenix Firestorm Viewer Source Code
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* Copyright (C) 2013, Nicky Dasmijn
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* The Phoenix Firestorm Project, Inc., 1831 Oakwood Drive, Fairmont, Minnesota 56031-3225 USA
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* http://www.firestormviewer.org
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* $/LicenseInfo$
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*/
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namespace nd
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{
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namespace utils
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{
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class boolSwitch
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{
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bool *mLocation;
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bool mOriginalValue;
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bool mNeedsReset;
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public:
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boolSwitch( bool *aLocation, bool aValue )
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: mLocation( aLocation )
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, mNeedsReset( false )
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{
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if( mLocation )
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{
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mOriginalValue = *mLocation;
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mNeedsReset = true;
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*mLocation = aValue;
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}
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}
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~boolSwitch( )
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{
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reset();
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}
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void reset()
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{
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if( mLocation && mNeedsReset )
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*mLocation = mOriginalValue;
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mNeedsReset = false;
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}
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};
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}
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}
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#endif
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