indexextender.h

// Description: IndexExtender class
// Documentation: indexextenders.txt

#ifndef PASTELSYS_INDEXEXTENDER_H
#define PASTELSYS_INDEXEXTENDER_H

#include "pastel/sys/mytypes.h"
#include "pastel/sys/pointer/countedptr.h"

namespace Pastel
{

    class IndexExtender
        : public ReferenceCounted
    {
    public:
        virtual ~IndexExtender()
        {
        }

        virtual integer operator()(
            integer index, integer extent) const = 0;
    };

    using IndexExtenderPtr = CountedPtr<IndexExtender>;
    using ConstIndexExtenderPtr = CountedPtr<const IndexExtender>;

}

#endif