/***************************************************************************/
/*
* Portions Copyright (c) 1999 GMRS Software GmbH
* Carl-von-Linde-Str. 38, D-85716 Unterschleissheim, http://www.gmrs.de
* All rights reserved.
*
* Author: Arno Unkrig <arno@unkrig.de>
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes software developed by GMRS Software GmbH."
* The name of GMRS Software GmbH may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*/
/* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License in the file COPYING for more details.
*/
/***************************************************************************/
/*
* Changes to version 1.2.2 were made by Martin Bayer <mbayer@zedat.fu-berlin.de>
* Dates and reasons of modifications:
* Thu Oct 4 21:29:40 CEST 2001: ported to g++ 3.0
*/
/***************************************************************************/
#ifndef __auto_aptr_h_INCLUDED__ /* { */
#define __auto_aptr_h_INCLUDED__
/* ------------------------------------------------------------------------- */
#ident "$Id: auto_aptr.h,v 1.2 1999/07/09 09:08:40 arno Exp $"
/* ------------------------------------------------------------------------- */
/*
* This template class is very similar to the standard "auto_ptr", but it is
* used for *array* pointers rather than *object* pointers, i.e. the pointer
* passed to it must have been allocated with "new[]", and "auto_aptr" will
* delete it with "delete[]".
*/
/* ------------------------------------------------------------------------- */
#include <stdlib.h>
template <class T>
class auto_aptr {
public:
// Constructor/copy/destroy
auto_aptr() : p(0) {}
auto_aptr(T *x) : p(x) {}
auto_aptr(const auto_aptr<T> &x) : p(x.p) { ((auto_aptr<T> *) &x)->p = 0; }
void operator=(const auto_aptr<T> &x)
{ delete[] p; p = x.p; ((auto_aptr<T> *) &x)->p = 0; }
// Extension: "operator=(T *)" is identical to "auto_aptr::reset(T *)".
void operator=(T *x) { delete[] p; p = x; }
~auto_aptr() { delete[] p; }
// Members
T &operator[](size_t idx) const { if (!p) abort(); return p[idx]; }
T *get() const { return (T *) p; }
T *release() { T *tmp = p; p = 0; return tmp; }
void reset(T *x = 0) { delete[] p; p = x; }
// These would make a nice extension, but are not provided by many other
// implementations.
//operator const void *() const { return p; }
//int operator!() const { return p == 0; }
private:
T *p;
};
/* ------------------------------------------------------------------------- */
#endif /* } */
/* ------------------------------------------------------------------------- */