MNRefProxy.h

Go to the documentation of this file.

/*
 * Copyright (c) 1997
 * Silicon Graphics Computer Systems, Inc.
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.  Silicon Graphics makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 *
 * Heavily modified by KOM/Darmstadt University of Technology, 2000
 */
#ifndef _R_REF_PROXY_H
#define _R_REF_PROXY_H

#include <sys/types.h>

class MNRefProxy;
class MNRope;

class MNRefProxy
{
    friend class MNRope;
    friend class _Rope_iterator;
    friend class MNPtrProxy;

    size_t    _M_pos;
    uchar_t     _M_current;
    bool      _M_current_valid;
    MNRope*   _M_root;     // The whole rope.

public:
    MNRefProxy(MNRope* __r, size_t __p);
    MNRefProxy(const MNRefProxy& __x);

    MNRefProxy(MNRope* __r, size_t __p, uchar_t __c);

    operator uchar_t () const;

    MNRefProxy& operator= (uchar_t __c);

    MNRefProxy& operator= (const MNRefProxy& __c);

private:
    MNPtrProxy operator& () const;
};

inline void swap(MNRefProxy __a,
                 MNRefProxy __b)
{
    uchar_t __tmp = __a;
    __a = __b;
    __b = __tmp;
}


#endif /* _R_REF_PROXY_H */

---