//
// Written by Curtis Olson, started April 2000.
//
-// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#include <simgear/compiler.h>
-#include <simgear/misc/sg_path.hxx>
+
+#include <simgear/structure/SGSharedPtr.hxx>
#include <map>
#include <vector>
-#include STL_STRING
+#include <string>
#include "navrecord.hxx"
-SG_USING_STD(map);
-SG_USING_STD(vector);
-SG_USING_STD(string);
-
-
-// convenience types
-typedef vector < FGNavRecord* > nav_list_type;
-typedef nav_list_type::iterator nav_list_iterator;
-typedef nav_list_type::const_iterator nav_list_const_iterator;
+// forward decls
+class SGGeod;
-typedef map < int, nav_list_type > nav_map_type;
-typedef nav_map_type::iterator nav_map_iterator;
-typedef nav_map_type::const_iterator nav_map_const_iterator;
+// FGNavList ------------------------------------------------------------------
-typedef map < string, nav_list_type > nav_ident_map_type;
+typedef SGSharedPtr<FGNavRecord> nav_rec_ptr;
+typedef std::vector < nav_rec_ptr > nav_list_type;
+class FGNavList
+{
+public:
+ class TypeFilter : public FGPositioned::Filter
+ {
+ public:
+ TypeFilter(const FGPositioned::Type type);
+
+ TypeFilter(const FGPositioned::Type minType,
+ const FGPositioned::Type maxType);
+
+ virtual FGPositioned::Type minType() const {
+ return _mintype;
+ }
+
+ virtual FGPositioned::Type maxType() const {
+ return _maxtype;
+ }
+
+ protected:
+ FGPositioned::Type _mintype;
+ FGPositioned::Type _maxtype;
+ };
+
+ /**
+ filter matching VOR & ILS/LOC transmitters
+ */
+ static TypeFilter* navFilter();
+
+ /**
+ * filter matching ILS/LOC transmitter
+ */
+ static TypeFilter* locFilter();
+
+ static TypeFilter* ndbFilter();
+
+ /**
+ * Filter returning TACANs and VORTACs
+ */
+ static TypeFilter* tacanFilter();
+
+
+ static TypeFilter* carrierFilter();
+
+ /** Query the database for the specified station. It is assumed
+ * that there will be multiple stations with matching frequencies
+ * so a position must be specified.
+ */
+ static FGNavRecord *findByFreq( double freq, const SGGeod& position,
+ TypeFilter* filter = NULL);
+
+ /**
+ * Overloaded version above - no positioned supplied so can be used with
+ * mobile TACANs which have no valid position. The first match is
+ * returned only.
+ */
+ static FGNavRecord *findByFreq( double freq, TypeFilter* filter = NULL);
+
+ static nav_list_type findAllByFreq( double freq, const SGGeod& position,
+ TypeFilter* filter = NULL);
+
+ // Given an Ident and optional frequency and type ,
+ // return a list of matching stations.
+ static nav_list_type findByIdentAndFreq( const std::string& ident,
+ const double freq,
+ TypeFilter* filter = NULL);
+
+ // Given an Ident and optional frequency and type ,
+ // return a list of matching stations sorted by distance to the given position
+ static nav_list_type findByIdentAndFreq( const SGGeod & position,
+ const std::string& ident, const double freq = 0.0,
+ TypeFilter* filter = NULL);
+
+ };
+
+
+// FGTACANList ----------------------------------------------------------------
+
+
+typedef SGSharedPtr<FGTACANRecord> tacan_rec_ptr;
+typedef std::vector < tacan_rec_ptr > tacan_list_type;
+typedef std::map < int, tacan_list_type > tacan_map_type;
+typedef std::map < std::string, tacan_list_type > tacan_ident_map_type;
+
+class FGTACANList {
+
+ tacan_list_type channellist;
+ tacan_map_type channels;
+ tacan_ident_map_type ident_channels;
-class FGNavList {
-
- nav_list_type navlist;
- nav_map_type navaids;
- nav_map_type navaids_by_tile;
- nav_ident_map_type ident_navaids;
-
- // Given a point and a list of stations, return the closest one to
- // the specified point.
- FGNavRecord *findNavFromList( const Point3D &aircraft,
- const nav_list_type &stations );
-
public:
- FGNavList();
- ~FGNavList();
+ FGTACANList();
+ ~FGTACANList();
- // initialize the nav list
+ // initialize the TACAN list
bool init();
// add an entry
- bool add( FGNavRecord *n );
+ bool add( FGTACANRecord *r );
- // Query the database for the specified frequency. It is assumed
- // that there will be multiple stations with matching frequencies
- // so a position must be specified. Lon and lat are in degrees,
- // elev is in meters.
- FGNavRecord *findByFreq( double freq, double lon, double lat, double elev );
+ // Given a TACAN Channel, return the appropriate frequency.
+ FGTACANRecord *findByChannel( const std::string& channel );
- // Query the database for the specified frequency. It is assumed
- // that there will be multiple stations with matching frequencies
- // so a position must be specified. Lon and lat are in degrees,
- // elev is in meters.
- FGNavRecord *findByLoc( double lon, double lat, double elev );
-
- // locate closest item in the DB matching the requested ident
- FGNavRecord *findByIdent( const char* ident, const double lon, const double lat );
-
- // Given an Ident and optional freqency, return the first matching
- // station.
- FGNavRecord *findByIdentAndFreq( const char* ident,
- const double freq = 0.0 );
-
- // returns the closest entry to the give lon/lat/elev
- FGNavRecord *findClosest( double lon_rad, double lat_rad, double elev_m );
};
-
-
#endif // _FG_NAVLIST_HXX