0,0 → 1,90 |
// -*- C++ -*- |
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// Copyright (C) 2005-2015 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 cc_hash_table_map_/cond_key_dtor_entry_dealtor.hpp |
* Contains a conditional key destructor, used for exception handling. |
*/ |
|
namespace __gnu_pbds |
{ |
namespace detail |
{ |
/// Conditional dey destructor, cc_hash. |
template<typename HT_Map> |
class cond_dealtor |
{ |
public: |
typedef typename HT_Map::entry entry; |
typedef typename HT_Map::entry_allocator entry_allocator; |
typedef typename HT_Map::key_type key_type; |
|
cond_dealtor(entry_allocator* p_a, entry* p_e) |
: m_p_a(p_a), m_p_e(p_e), m_key_destruct(false), |
m_no_action_destructor(false) |
{ } |
|
inline |
~cond_dealtor(); |
|
void |
set_key_destruct() |
{ m_key_destruct = true; } |
|
void |
set_no_action_destructor() |
{ m_no_action_destructor = true; } |
|
protected: |
entry_allocator* const m_p_a; |
entry* const m_p_e; |
|
bool m_key_destruct; |
bool m_no_action_destructor; |
}; |
|
template<typename HT_Map> |
inline |
cond_dealtor<HT_Map>:: |
~cond_dealtor() |
{ |
if (m_no_action_destructor) |
return; |
if (m_key_destruct) |
m_p_e->m_value.first.~key_type(); |
m_p_a->deallocate(m_p_e, 1); |
} |
} // namespace detail |
} // namespace __gnu_pbds |