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RefCountBuffer.h

// Filename     : RefCountBuffer.h
// Purpose      : A reference counting buffer. Use for fast and efficient way to create buffers
//            and pass them between your functions.
// Author       : Erad Fridman
// Date         : 15/11/2002

#ifndef __REFCOUNT_BUFFER_H__
#define __REFCOUNT_BUFFER_H__

#include "refcount.h"

class RefCountBufferImp : public RefCountObj {
public:
        friend class RefCountBuffer;

private:
        RefCountBufferImp (unsigned int size, const char *buffer);
        ~RefCountBufferImp ();

private:
        char *_buf;
        unsigned int _size;
};

//---------------------------------------------------------------------------------------
class RefCountBuffer {
public:
        // c'tors & d'tor
        RefCountBuffer (unsigned int size = 0, const char *buffer = NULL);
        virtual ~RefCountBuffer();
        RefCountBuffer (const RefCountBuffer &other);

        // operator = overload
        RefCountBuffer & operator = (const RefCountBuffer &other);

        // RefCountBuffer methods
        char *get_data ()
        {
                return _imp -> _buf;
        }

        const char *get_data () const
        {
                return _imp -> _buf;
        }

        unsigned int get_size () const
        {
                return _imp -> _size;
        }

        RefCountBuffer clone() const
        {
                return RefCountBuffer(_imp->_size, _imp->_buf);
        }

private:
        RefCountPtr <RefCountBufferImp> _imp;
};

RefCountBuffer operator + (const RefCountBuffer &x, const RefCountBuffer &y);

#endif // __REFCOUNT_BUFFER_H__

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