src.main/Cj_array_autoptr.hh

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
/*
 * mitie
 * Copyright (C) Jason Spencer 2009 <mitie@jasonspencer.org>
 * 
 * mitie 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 3 of the License, or
 * (at your option) any later version.
 * 
 * mitie 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 for more details.
 * 
 * You should have received a copy of the GNU General Public License along
 * with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _CJ_ARRAY_AUTOPTR_HH_
#define _CJ_ARRAY_AUTOPTR_HH_ 1

#include "JLOG.hh"

namespace jsplib {


template < typename T > class array_autoptr {
        private:
        T * m_p;
        // new and delete are private to prevent this class being instantiated on the heap
        static void *operator new(size_t size);
        static void operator delete(void *ptr);
        static void *operator new[](size_t size);
        static void operator delete[](void *ptr);

        public:
        array_autoptr(T * p = 0):m_p(p) {}

        array_autoptr(const array_autoptr<T> & that) { if(m_p) delete [] m_p; m_p = that.m_p; that.m_p = 0; }
        ~array_autoptr() { if(m_p) delete [] m_p; JLOG(9, std::cout << "array_autoptr::~array_autoptr called. p = " << std::hex << m_p << std::dec << std::endl; ) }

        T * release() { T * p = 0; std::swap(p, m_p); return p; }

        T * get() { return m_p; }
};

} // namespace jsplib

#endif // _CJ_ARRAY_AUTOPTR_HH_