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<div class="title">cond_dealtor.hpp</div> </div>
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<a href="a00817.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- C++ -*-</span>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="comment">// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.</span>
<a name="l00004"></a>00004 <span class="comment">//</span>
<a name="l00005"></a>00005 <span class="comment">// This file is part of the GNU ISO C++ Library. This library is free</span>
<a name="l00006"></a>00006 <span class="comment">// software; you can redistribute it and/or modify it under the terms</span>
<a name="l00007"></a>00007 <span class="comment">// of the GNU General Public License as published by the Free Software</span>
<a name="l00008"></a>00008 <span class="comment">// Foundation; either version 3, or (at your option) any later</span>
<a name="l00009"></a>00009 <span class="comment">// version.</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="comment">// This library is distributed in the hope that it will be useful, but</span>
<a name="l00012"></a>00012 <span class="comment">// WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00014"></a>00014 <span class="comment">// General Public License for more details.</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span>
<a name="l00017"></a>00017 <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span>
<a name="l00018"></a>00018 <span class="comment">// 3.1, as published by the Free Software Foundation.</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="comment">// You should have received a copy of the GNU General Public License and</span>
<a name="l00021"></a>00021 <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span>
<a name="l00022"></a>00022 <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span>
<a name="l00023"></a>00023 <span class="comment">// <http://www.gnu.org/licenses/>.</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="comment">// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.</span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="comment">// Permission to use, copy, modify, sell, and distribute this software</span>
<a name="l00028"></a>00028 <span class="comment">// is hereby granted without fee, provided that the above copyright</span>
<a name="l00029"></a>00029 <span class="comment">// notice appears in all copies, and that both that copyright notice</span>
<a name="l00030"></a>00030 <span class="comment">// and this permission notice appear in supporting documentation. None</span>
<a name="l00031"></a>00031 <span class="comment">// of the above authors, nor IBM Haifa Research Laboratories, make any</span>
<a name="l00032"></a>00032 <span class="comment">// representation about the suitability of this software for any</span>
<a name="l00033"></a>00033 <span class="comment">// purpose. It is provided "as is" without express or implied</span>
<a name="l00034"></a>00034 <span class="comment">// warranty.</span>
<a name="l00035"></a>00035 <span class="comment"></span>
<a name="l00036"></a>00036 <span class="comment">/**</span>
<a name="l00037"></a>00037 <span class="comment"> * @file cond_dealtor.hpp</span>
<a name="l00038"></a>00038 <span class="comment"> * Contains a conditional deallocator.</span>
<a name="l00039"></a>00039 <span class="comment"> */</span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="preprocessor">#ifndef PB_DS_COND_DEALTOR_HPP</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor">#define PB_DS_COND_DEALTOR_HPP</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span>
<a name="l00044"></a>00044 <span class="keyword">namespace </span>__gnu_pbds
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keyword">namespace </span>detail
<a name="l00048"></a>00048 {
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="preprocessor">#define PB_DS_COND_DEALTOR_CLASS_T_DEC \</span>
<a name="l00051"></a>00051 <span class="preprocessor"> template<typename Entry, class Allocator></span>
<a name="l00052"></a>00052 <span class="preprocessor"></span>
<a name="l00053"></a>00053 <span class="preprocessor">#define PB_DS_COND_DEALTOR_CLASS_C_DEC \</span>
<a name="l00054"></a>00054 <span class="preprocessor"> cond_dealtor< \</span>
<a name="l00055"></a>00055 <span class="preprocessor"> Entry, \</span>
<a name="l00056"></a>00056 <span class="preprocessor"> Allocator></span>
<a name="l00057"></a>00057 <span class="preprocessor"></span>
<a name="l00058"></a>00058 <span class="keyword">template</span><<span class="keyword">typename</span> Entry, <span class="keyword">class</span> Allocator>
<a name="l00059"></a>00059 <span class="keyword">class </span>cond_dealtor
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061 <span class="keyword">public</span>:
<a name="l00062"></a>00062 <span class="keyword">typedef</span>
<a name="l00063"></a>00063 <span class="keyword">typename</span> Allocator::template rebind<Entry>::other
<a name="l00064"></a>00064 entry_allocator;
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keyword">typedef</span> <span class="keyword">typename</span> entry_allocator::pointer entry_pointer;
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keyword">public</span>:
<a name="l00069"></a>00069 <span class="keyword">inline</span>
<a name="l00070"></a>00070 cond_dealtor(entry_pointer p_e);
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keyword">inline</span>
<a name="l00073"></a>00073 ~cond_dealtor();
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="keyword">inline</span> <span class="keywordtype">void</span>
<a name="l00076"></a>00076 set_no_action();
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keyword">private</span>:
<a name="l00079"></a>00079 entry_pointer m_p_e;
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keywordtype">bool</span> m_no_action_destructor;
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keyword">static</span> entry_allocator s_alloc;
<a name="l00084"></a>00084 };
<a name="l00085"></a>00085
<a name="l00086"></a>00086 PB_DS_COND_DEALTOR_CLASS_T_DEC
<a name="l00087"></a>00087 <span class="keyword">typename</span> PB_DS_COND_DEALTOR_CLASS_C_DEC::entry_allocator
<a name="l00088"></a>00088 PB_DS_COND_DEALTOR_CLASS_C_DEC::s_alloc;
<a name="l00089"></a>00089
<a name="l00090"></a>00090 PB_DS_COND_DEALTOR_CLASS_T_DEC
<a name="l00091"></a>00091 <span class="keyword">inline</span>
<a name="l00092"></a>00092 PB_DS_COND_DEALTOR_CLASS_C_DEC::
<a name="l00093"></a>00093 cond_dealtor(entry_pointer p_e) :
<a name="l00094"></a>00094 m_p_e(p_e),
<a name="l00095"></a>00095 m_no_action_destructor(false)
<a name="l00096"></a>00096 { }
<a name="l00097"></a>00097
<a name="l00098"></a>00098 PB_DS_COND_DEALTOR_CLASS_T_DEC
<a name="l00099"></a>00099 <span class="keyword">inline</span> <span class="keywordtype">void</span>
<a name="l00100"></a>00100 PB_DS_COND_DEALTOR_CLASS_C_DEC::
<a name="l00101"></a>00101 set_no_action()
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 m_no_action_destructor = <span class="keyword">true</span>;
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105
<a name="l00106"></a>00106 PB_DS_COND_DEALTOR_CLASS_T_DEC
<a name="l00107"></a>00107 <span class="keyword">inline</span>
<a name="l00108"></a>00108 PB_DS_COND_DEALTOR_CLASS_C_DEC::
<a name="l00109"></a>00109 ~cond_dealtor()
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 <span class="keywordflow">if</span> (m_no_action_destructor)
<a name="l00112"></a>00112 <span class="keywordflow">return</span>;
<a name="l00113"></a>00113
<a name="l00114"></a>00114 s_alloc.deallocate(m_p_e, 1);
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="preprocessor">#undef PB_DS_COND_DEALTOR_CLASS_T_DEC</span>
<a name="l00118"></a>00118 <span class="preprocessor"></span><span class="preprocessor">#undef PB_DS_COND_DEALTOR_CLASS_C_DEC</span>
<a name="l00119"></a>00119 <span class="preprocessor"></span>
<a name="l00120"></a>00120 } <span class="comment">// namespace detail</span>
<a name="l00121"></a>00121
<a name="l00122"></a>00122 } <span class="comment">// namespace __gnu_pbds</span>
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="preprocessor">#endif // #ifndef PB_DS_COND_DEALTOR_HPP</span>
<a name="l00125"></a>00125 <span class="preprocessor"></span>
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