/******************************************************************************

 *

 * Purpose:  Declaration of the PCIDSKBuffer class

 *

 ******************************************************************************

 * Copyright (c) 2009

 * PCI Geomatics, 90 Allstate Parkway, Markham, Ontario, Canada.

 *

 * SPDX-License-Identifier: MIT

 ****************************************************************************/

#ifndef INCLUDE_PCIDSKBUFFER_H

#define INCLUDE_PCIDSKBUFFER_H

#include "pcidsk_config.h"

#include <string>

namespace PCIDSK

{

/************************************************************************/

/*                             PCIDSKBuffer                             */

/*                                                                      */

/*      Convenience class for managing ascii headers of various         */

/*      sorts.  Primarily for internal use.                             */

/************************************************************************/

    class PCIDSKBuffer

    {

        friend class MetadataSegment; // ?

    public:

        PCIDSKBuffer( int size = 0 );

        PCIDSKBuffer( const char *src, int size );

        ~PCIDSKBuffer();

        char        *buffer;

        int         buffer_size;

        PCIDSKBuffer &operator=(const PCIDSKBuffer& src);

        const char *Get( int offset, int size ) const;

        void        Get( int offset, int size, std::string &target, int unpad=1 ) const;

        double      GetDouble( int offset, int size ) const;

        int         GetInt( int offset, int size ) const;

        int64       GetInt64( int offset, int size ) const;

        uint64      GetUInt64( int offset, int size ) const;

        void        Put( const char *value,  int offset, int size, bool null_term = false );

        void        Put( uint64 value, int offset, int size );

        void        Put( double value, int offset, int size, const char *fmt=nullptr );

        void        Put( int value, int offset, int size )

            { Put( (uint64) value, offset, size ); }

        void        Put( unsigned int value, int offset, int size )

            { Put( (uint64) value, offset, size ); }

        void        PutBin(double value, int offset);

        void        PutBin(int16 value, int offset);

        void        SetSize( int size );

    private:

        mutable std::string work_field;

    };

} // end namespace PCIDSK

#endif // INCLUDE_PCIDSKBUFFER_H