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// -*- C++ -*-
// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library 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, or (at your option) any later
// version.
// This library 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.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied
// warranty.
/**
* @file cond_dtor.hpp
* Contains a conditional destructor
*/
template<typename Size_Type>
class cond_dtor
{
public:
cond_dtor(value_vector a_vec, iterator& r_last_it, Size_Type total_size)
: m_a_vec(a_vec), m_r_last_it(r_last_it), m_max_size(total_size),
m_no_action(false)
{ }
~cond_dtor()
{
if (m_no_action)
return;
iterator it = m_a_vec;
while (it != m_r_last_it)
{
it->~value_type();
++it;
}
if (m_max_size > 0)
value_allocator().deallocate(m_a_vec, m_max_size);
}
inline void
set_no_action()
{ m_no_action = true; }
protected:
value_vector m_a_vec;
iterator& m_r_last_it;
const Size_Type m_max_size;
bool m_no_action;
};
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