#if ! defined( SENTENCE_CLASS_HEADER )
#define SENTENCE_CLASS_HEADER

/*
** Author: Samuel R. Blackburn
** CI$: 76300,326
** Internet: sammy@sed.csc.com
**
** You can use it any way you like.
*/

class LATLONG;

class SENTENCE : public CObject
{
   DECLARE_DYNAMIC( SENTENCE )

   public:

      SENTENCE();
     ~SENTENCE();

      /*
      ** Data
      */

      CString Sentence;

      /*
      ** Methods
      */

      virtual NMEA0183_BOOLEAN Boolean( int field_number ) const;
      virtual BYTE ComputeChecksum( void ) const;
      virtual COMMUNICATIONS_MODE CommunicationsMode( int field_number ) const;
      virtual double Double( int field_number ) const;
      virtual EASTWEST EastOrWest( int field_number ) const;
      virtual const CString& Field( int field_number ) const;
      virtual void Finish( void );
      virtual WORD GetNumberOfDataFields( void ) const;
      virtual int Integer( int field_number ) const;
      virtual NMEA0183_BOOLEAN IsChecksumBad( int checksum_field_number ) const;
      virtual LEFTRIGHT LeftOrRight( int field_number ) const;
      virtual NORTHSOUTH NorthOrSouth( int field_number ) const;
      virtual REFERENCE Reference( int field_number ) const;
      virtual TRANSDUCER_TYPE TransducerType( int field_number ) const;

      /*
      ** Operators
      */

      operator CString() const; 
      virtual const SENTENCE& operator  = ( const SENTENCE& source );
      virtual const SENTENCE& operator  = ( const CString& source );
      virtual const SENTENCE& operator += ( const CString& source );
      virtual const SENTENCE& operator += ( double value );
      virtual const SENTENCE& operator += ( NORTHSOUTH northing );
      virtual const SENTENCE& operator += ( COMMUNICATIONS_MODE mode );
      virtual const SENTENCE& operator += ( int value );
      virtual const SENTENCE& operator += ( EASTWEST easting );
      virtual const SENTENCE& operator += ( TRANSDUCER_TYPE transducer );
      virtual const SENTENCE& operator += ( NMEA0183_BOOLEAN boolean );
      virtual const SENTENCE& operator += ( LATLONG& source );
};
 
#endif // SENTENCE_CLASS_HEADER