RTDecoding.h

/*
 * Licensed Materials - Property of HCL and/or IBM
 * Copyright HCL Technologies Ltd. 2016, 2021. All Rights Reserved.
 * Copyright IBM Corporation 1999, 2016. All Rights Reserved.
 *
 * U.S. Government Users Restricted Rights -  Use, duplication or 
 * disclosure restricted by GSA ADP Schedule.
 */
 
#ifndef __RTDecoding_h__
#define __RTDecoding_h__ included
 
#ifdef PRAGMA
#pragma interface
#endif
 
#ifndef __RTConfig_h__
#include <RTConfig.h>
#endif
 
#if OBJECT_DECODE
 
struct RTFieldDescriptor;
struct RTObject_class;
 
class RTDecoding
{
public:
        RTDecoding( void );
    virtual     ~RTDecoding( void );
 
    virtual int get( void                 ** data,
             const RTObject_class ** type ) = 0;
 
    // basic data types
    virtual int get_address ( void         * & ) = 0;
    virtual int get_bool    ( bool           & ) = 0;
    virtual int get_char    ( char           & ) = 0;
#if RTUseFloatingPoint
    virtual int get_double  ( double         & ) = 0;
    virtual int get_float   ( float          & ) = 0;
#endif
    virtual int get_int     ( int            & ) = 0;
    virtual int get_long    ( long           & ) = 0;
    virtual int get_unsignedint(unsigned int & ) = 0;
    virtual int get_unsignedlong(unsigned long & ) = 0;
    virtual int get_unsignedlonglong(unsigned long long & ) = 0;
    virtual int get_unsignedshort(unsigned short & ) = 0;
    virtual int get_unsignedchar(unsigned char & ) = 0;
    virtual int get_long_long( long long &  )    = 0;
    virtual int get_short   ( short          & ) = 0;
    virtual int get_uchar   ( unsigned char  & ) = 0;
    virtual int get_unsigned( unsigned       & ) = 0;
    virtual int get_ulong   ( unsigned long  & ) = 0;
    virtual int get_ushort  ( unsigned short & ) = 0;
 
    // a nul-terminated string
    virtual int get_string( char * & ) = 0;
 
    // zero or more raw bytes
    virtual int get_opaque( int &, char * & ) = 0;
 
    // an enumerated value
    virtual int get_enum( int                     & value,
              int                       numChoices,
              const RTFieldDescriptor * choices ) = 0;
 
    // a homogeneous array of objects
    virtual int get_array( void                 *,
               int                    numElements,
               const RTObject_class * elementType ) = 0;
 
    // an indirect object
    virtual int get_indirect( void                 * pointer,
                  const RTObject_class * targetType ) = 0;
 
    // a structure
    virtual int get_struct( void                 * record,
                const RTObject_class * recordType ) = 0;
 
private:
    // unavailable methods
    RTDecoding( const RTDecoding & );
    RTDecoding & operator=( const RTDecoding & );
};
#endif // OBJECT_DECODE
 
#endif // __RTDecoding_h__