airportRunwayLoaderFromShp.h

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/*******************************************************************************
** Copyright (c) 2019 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/




#pragma once

#include <vrfGuiCore/vrfGuiCore.h>

#include <string>
#include <set>
#include <map>

class OGRLayer;
class DtFilename;
class OGRSFDriver;
class OGRDataSource;
class OGRFeature;

namespace makVrf
{
   class DT_DLL_VRFGUICORE DtAirportRecord
   {
   public:
      DtAirportRecord();
      DtAirportRecord(const DtAirportRecord&);
      ~DtAirportRecord();

      DtAirportRecord& operator=(const DtAirportRecord&);

      bool operator<(const DtAirportRecord&) const;
      bool operator==(const DtAirportRecord&) const;


      std::string myICAOName;
      std::string myNormalName;
      double myLat;
      double myLon;
      double myElev;
      std::set<std::string> myRunways;

   };

   /*
      The purpose of this class is to load the data that pertains to airports such as
      the airports name, icao, location in geodetic and runways from the airport ESRI 
      shape files and provide a mechanism in which it can be easily queried.
   */
   class DT_DLL_VRFGUICORE DtAirportRunwayLoaderFromShp
   {
   public:
      ~DtAirportRunwayLoaderFromShp();

      static DtAirportRunwayLoaderFromShp* getInstance();

      std::set<std::string> getAirportIcaoNames();

      std::set<std::string> getRunwaysForAirport(const std::string & icaoName);

      bool getLatLonForAirport(double & lat, double & lon, double & elev, const std::string & icaoName);

      std::string getAirportName(const std::string & icaoName);

      std::set<std::string> getAirportNames();

      std::string getIcaoForAirportName(const std::string & airportName);
      
      const std::set < std::pair<std::string, std::string> > & getAirportandIcaoNames();
   protected:
      bool loadAirportRunwayData(const std::string & filename);

      bool loadAirportLocations(const std::string & filename);

      int processLayerForAirportLocations(OGRLayer * layer);

      int processLayerForRunways(OGRLayer * layer);

      bool parseFeatureForRunways(OGRFeature * feature);

      bool parseFeatureForAirportLocation(OGRFeature* feature);

      bool initializiae();

      DtAirportRunwayLoaderFromShp();

      static DtAirportRunwayLoaderFromShp* myInstance;

      bool myAirportRunwaysAreInitialized;
      bool myAirportLocationsAreInitialized;

      std::map<std::string, DtAirportRecord> myAirports;

      std::map<std::string, std::string> myNametoIcaoMap;

      std::set < std::pair<std::string, std::string> > myAirportNameAndIcaoSet;

   };
}