EPreferredDirection.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2015 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Oliver Frost                                             *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
#pragma once
 
#include <stdexcept>
#include <string>
 
namespace Belle2 {
  namespace TrackFindingCDC {
 
    enum class EPreferredDirection {
      c_None,
      c_Outwards,
      c_Downwards,
      c_Symmetric,
      c_Curling,
    };
 
    inline EPreferredDirection getPreferredDirection(const std::string& preferredDirectionString)
    {
      if (preferredDirectionString == std::string("none")) {
        return EPreferredDirection::c_None;
      } else if (preferredDirectionString == std::string("symmetric")) {
        return EPreferredDirection::c_Symmetric;
      } else if (preferredDirectionString == std::string("outwards")) {
        return EPreferredDirection::c_Outwards;
      } else if (preferredDirectionString == std::string("downwards")) {
        return EPreferredDirection::c_Downwards;
      } else if (preferredDirectionString == std::string("curling")) {
        return EPreferredDirection::c_Curling;
      } else {
        throw std::invalid_argument("Unexpected preferred direction string : '" + preferredDirectionString + "'");
      }
    }
  }
}