LidarDB.h

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#ifndef _atm_LidarDB_h_
#define _atm_LidarDB_h_

#include <atm/LidarZone.h>

#include <boost/iterator/transform_iterator.hpp>

#include <map>
#include <string>


namespace atm {

  class LidarDB {

  private:
    void CacheZones();

    typedef std::map<std::string, const LidarZone*> InternalZoneMap;
    typedef InternalZoneMap::const_iterator InternalZoneIterator;

    InternalZoneMap fZoneMap;

    struct InternalZoneFunctor {
      const LidarZone& operator()(const std::pair<std::string, const LidarZone*>& pair) const
      { return *pair.second; }
    };

  public:
    typedef boost::transform_iterator<InternalZoneFunctor,
                                      InternalZoneIterator,
                                      const LidarZone&> ZoneIterator;

    ZoneIterator ZonesBegin() const
    { return ZoneIterator(fZoneMap.begin()); }

    ZoneIterator ZonesEnd() const
    { return ZoneIterator(fZoneMap.end()); }

  private:
    LidarDB();
    ~LidarDB();

    std::string fLidarIdString; // specifies the lidar_id key for given time, software version, etc.

    friend class Atmosphere;
  };
}

#endif // _atm_LidarDB_h_