config_map.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2017 Kicad Developers, see change_log.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 CONFIG_MAP__H_
#define CONFIG_MAP__H_
 
#include <map>
 
namespace UTIL
{
 
template<typename T>
using CFG_MAP = std::vector<std::pair<T, long> >;
 
template<typename MAP>
using CFG_NATIVE_VAL = typename MAP::value_type::first_type;
 
 
template<typename MAP>
static long GetConfigForVal( const MAP& aMap, CFG_NATIVE_VAL<MAP> aVal )
{
 // default is first entry
 long aConf = aMap[0].second;
 
 for( const auto& mapping : aMap )
 {
 if( mapping.first == aVal )
 {
 aConf = mapping.second;
 break;
 }
 }
 
 return aConf;
}
 
template<typename MAP>
static CFG_NATIVE_VAL<MAP> GetValFromConfig( const MAP& aMap, long aConf )
{
 // default is first entry
 CFG_NATIVE_VAL<MAP> aVal = aMap[0].first;
 
 for( const auto& mapping : aMap )
 {
 if( mapping.second == aConf )
 {
 aVal = mapping.first;
 break;
 }
 }
 
 return aVal;
}
 
}
 
#endif /* CONFIG_MAP__H_ */