//
// Linux GPS
//
//

/* prevent multiple inclusions */
#ifndef __GpsParser__
#define __GpsParser__

/* includes *****************************************************************/

#include <vector>

#include "netlib.h"

#include "GpsListener.h"
#include "NmeaProtocol.h"

/* defines ******************************************************************/

/* macros *******************************************************************/

/* structs & typedefs *******************************************************/

/* c class definitions ******************************************************/

//
class GpsParser : public NmeaProtocol {
    // public data
public:
    char    Vendor[32];
    char    Product[32];
    
    // Position Data
    GpsPoint            PosData;

    // Accuracy, Dilution, Error
    ErrorInfo           ErrInfo;

    // Satellite info
    SatelliteInfo       SatInfo;

protected:
    // protected data
    std::vector<GpsListener *>  GpsListeners;

    // incoming data buffer
    u_char  data[2048];
    u_char  lastc;
    u_short numbytes;       // current byte count
    u_short totbytes;       // expect byte count
    u_short checksum;
    u_long  counter;        // # parsed

    // private data
private:
    // private methods

    // static data

    // public methods
public:
    // constructors
    GpsParser();

    // destructor
    virtual ~GpsParser();

    // virtual functions
    virtual void GpsInit( void ) {};
    virtual int GpsDecode( const char *buf, int max );
    virtual int GpsParse( const char *buf, int max );

    // public methods

    // subscribe/unsubscribe
    void Subscribe( GpsListener *ear ) {
            GpsInit();
            if (ear)
                GpsListeners.push_back(ear);
        };

    int GetNumParsed(void) {return counter;};

    // misc
    int GpsTime( struct timespec *tv ) {*tv=PosData.TimeStamp;return PosData.Fix;};
    int GpsFix(void) {return PosData.Fix;};
    int Gps2Vii( char *buf, int max );

    // static functions
};

#endif