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<div class="title">smart_ptr.tpp</div> </div>
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<a href="smart__ptr_8tpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> The STL+ C++ Library Collection</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment"> Website <http://stlplus.sourceforge.net/> Collection <index.html></span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment"></span>
<a name="l00007"></a>00007 <span class="comment"> License Agreement</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> <http://www.opensource.org/></span>
<a name="l00010"></a>00010 <span class="comment"></span>
<a name="l00011"></a>00011 <span class="comment"> * License for using the STLplus Library Collection <#license></span>
<a name="l00012"></a>00012 <span class="comment"> * The Intent of this License <#intent></span>
<a name="l00013"></a>00013 <span class="comment"> * How to Comply with this License <#compliance></span>
<a name="l00014"></a>00014 <span class="comment"> * Historical Note <#history></span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"></span>
<a name="l00017"></a>00017 <span class="comment"> License for using the STLplus Library Collection</span>
<a name="l00018"></a>00018 <span class="comment"></span>
<a name="l00019"></a>00019 <span class="comment"> *© 1999-2008 Andy Rushton. All rights reserved.*</span>
<a name="l00020"></a>00020 <span class="comment"></span>
<a name="l00021"></a>00021 <span class="comment"> Redistribution and use in source and binary forms, with or without</span>
<a name="l00022"></a>00022 <span class="comment"> modification, are permitted provided that the following conditions are met:</span>
<a name="l00023"></a>00023 <span class="comment"></span>
<a name="l00024"></a>00024 <span class="comment"> * Redistributions of source code must retain the above Copyright</span>
<a name="l00025"></a>00025 <span class="comment"> notice, this list of conditions and the following disclaimer.</span>
<a name="l00026"></a>00026 <span class="comment"> * Redistributions in binary form must reproduce the above Copyright</span>
<a name="l00027"></a>00027 <span class="comment"> notice, this list of conditions and the following disclaimer in</span>
<a name="l00028"></a>00028 <span class="comment"> the documentation and/or other materials provided with the</span>
<a name="l00029"></a>00029 <span class="comment"> distribution.</span>
<a name="l00030"></a>00030 <span class="comment"> * Neither the name of the STLplus library nor the names of its</span>
<a name="l00031"></a>00031 <span class="comment"> contributors may be used to endorse or promote products derived</span>
<a name="l00032"></a>00032 <span class="comment"> from this software without specific prior written permission.</span>
<a name="l00033"></a>00033 <span class="comment"></span>
<a name="l00034"></a>00034 <span class="comment"> This software is provided by the Copyright holders and contributors "as</span>
<a name="l00035"></a>00035 <span class="comment"> is" and any express or implied warranties, including, but not limited</span>
<a name="l00036"></a>00036 <span class="comment"> to, the implied warranties of merchantability and fitness for a</span>
<a name="l00037"></a>00037 <span class="comment"> particular purpose are disclaimed. In no event shall the Copyright owner</span>
<a name="l00038"></a>00038 <span class="comment"> or contributors be liable for any direct, indirect, incidental, special,</span>
<a name="l00039"></a>00039 <span class="comment"> exemplary, or consequential damages (including, but not limited to,</span>
<a name="l00040"></a>00040 <span class="comment"> procurement of substitute goods or services; loss of use, data, or</span>
<a name="l00041"></a>00041 <span class="comment"> profits; or business interruption) however caused and on any theory of</span>
<a name="l00042"></a>00042 <span class="comment"> liability, whether in contract, strict liability, or tort (including</span>
<a name="l00043"></a>00043 <span class="comment"> negligence or otherwise) arising in any way out of the use of this</span>
<a name="l00044"></a>00044 <span class="comment"> software, even if advised of the possibility of such damage.</span>
<a name="l00045"></a>00045 <span class="comment">*/</span>
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="comment">/*</span>
<a name="l00048"></a>00048 <span class="comment"> Modified version of STL+ sources shipped with the Mobile Robot </span>
<a name="l00049"></a>00049 <span class="comment"> Programming Toolkit (MRPT).</span>
<a name="l00050"></a>00050 <span class="comment"> </span>
<a name="l00051"></a>00051 <span class="comment"> Sources have been modified to support thred-safe smart pointers</span>
<a name="l00052"></a>00052 <span class="comment"> through atomic operations.</span>
<a name="l00053"></a>00053 <span class="comment"> </span>
<a name="l00054"></a>00054 <span class="comment"> 2009, Jose Luis Blanco. University of Malaga. </span>
<a name="l00055"></a>00055 <span class="comment">*/</span>
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="preprocessor">#ifndef MRPT_SMARTPTR_H</span>
<a name="l00058"></a><a class="code" href="smart__ptr_8tpp.html#a342c40e68d19cfc12ff23d688ade9f09">00058</a> <span class="preprocessor"></span><span class="preprocessor">#define MRPT_SMARTPTR_H</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00060"></a>00060 <span class="comment">////////////////////////////////////////////////////////////////////////////////</span>
<a name="l00061"></a>00061 <span class="comment"></span>
<a name="l00062"></a>00062 <span class="comment">// Author: Andy Rushton</span>
<a name="l00063"></a>00063 <span class="comment">// Copyright: (c) Andy Rushton, 2007</span>
<a name="l00064"></a>00064 <span class="comment">// License: BSD License, see ../docs/license.html</span>
<a name="l00065"></a>00065 <span class="comment"></span>
<a name="l00066"></a>00066 <span class="comment">////////////////////////////////////////////////////////////////////////////////</span>
<a name="l00067"></a>00067 <span class="comment"></span>
<a name="l00068"></a>00068 <span class="keyword">namespace </span>stlplus
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070 <span class="comment"></span>
<a name="l00071"></a>00071 <span class="comment"> ////////////////////////////////////////////////////////////////////////////////</span>
<a name="l00072"></a>00072 <span class="comment"></span> <span class="comment">// internal holder data structure</span><span class="comment"></span>
<a name="l00073"></a>00073 <span class="comment"> ////////////////////////////////////////////////////////////////////////////////</span>
<a name="l00074"></a>00074 <span class="comment"></span>
<a name="l00075"></a>00075 <span class="keyword">template</span><<span class="keyword">typename</span> T,<span class="keyword">typename</span> COUNTER>
<a name="l00076"></a>00076 <span class="keyword">class </span>smart_ptr_holder
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="keyword">private</span>:
<a name="l00079"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a9cc88d59d607fba79aaf5659042560e6">00079</a> COUNTER <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a9cc88d59d607fba79aaf5659042560e6">m_count</a>; <span class="comment">//JL: It was... unsigned m_count;</span>
<a name="l00080"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a2ee1b69a60129330cdf55f04f5e05b2f">00080</a> T* <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a2ee1b69a60129330cdf55f04f5e05b2f">m_data</a>;
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="comment">// make these private to disallow copying because the holder doesn't know how to copy</span>
<a name="l00083"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#ad9ebfbee8a28e073836d89d21f5f23e1">00083</a> <span class="keyword">inline</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html#ad9ebfbee8a28e073836d89d21f5f23e1">smart_ptr_holder</a>(<span class="keyword">const</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html">smart_ptr_holder</a>& s) :
<a name="l00084"></a>00084 <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a9cc88d59d607fba79aaf5659042560e6">m_count</a>(0), <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a2ee1b69a60129330cdf55f04f5e05b2f">m_data</a>(0)
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a219670f6da186dcf46f70b0067f0247f">00088</a> <span class="keyword">inline</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html">smart_ptr_holder</a>& <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a219670f6da186dcf46f70b0067f0247f">operator=</a>(<span class="keyword">const</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html">smart_ptr_holder</a>& s)
<a name="l00089"></a>00089 {
<a name="l00090"></a>00090 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00091"></a>00091 }
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="keyword">public</span>:
<a name="l00094"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a0e9df0892690405a3f9f48cd3d18b287">00094</a> <span class="keyword">inline</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html#ad9ebfbee8a28e073836d89d21f5f23e1">smart_ptr_holder</a>(T* p = 0) :
<a name="l00095"></a>00095 <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a9cc88d59d607fba79aaf5659042560e6">m_count</a>(1), <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a2ee1b69a60129330cdf55f04f5e05b2f">m_data</a>(p)
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098
<a name="l00099"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a30e873122165af59c5e3d45a1fd144a0">00099</a> <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a30e873122165af59c5e3d45a1fd144a0">~smart_ptr_holder</a>(<span class="keywordtype">void</span>)
<a name="l00100"></a>00100 {
<a name="l00101"></a>00101 <a class="code" href="classstlplus_1_1smart__ptr__holder.html#ae1bc3645002af05640604607a0183ed8">clear</a>();
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103
<a name="l00104"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a3a83f075c6d3b26037d360688d8334ea">00104</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a3a83f075c6d3b26037d360688d8334ea">count</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>
<a name="l00105"></a>00105 <span class="keyword"> </span>{
<a name="l00106"></a>00106 <span class="keywordflow">return</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a9cc88d59d607fba79aaf5659042560e6">m_count</a>;
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108
<a name="l00109"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a93adab8d5f216928e354019a6f89c178">00109</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a93adab8d5f216928e354019a6f89c178">increment</a>(<span class="keywordtype">void</span>)
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 ++<a class="code" href="classstlplus_1_1smart__ptr__holder.html#a9cc88d59d607fba79aaf5659042560e6">m_count</a>;
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113
<a name="l00114"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a0130b734089e7abe08bab72322c5ae84">00114</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a0130b734089e7abe08bab72322c5ae84">decrement</a>(<span class="keywordtype">void</span>)
<a name="l00115"></a>00115 {
<a name="l00116"></a>00116 <span class="keywordflow">return</span> (--<a class="code" href="classstlplus_1_1smart__ptr__holder.html#a9cc88d59d607fba79aaf5659042560e6">m_count</a>)==0;
<a name="l00117"></a>00117 }
<a name="l00118"></a>00118
<a name="l00119"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a95dc2c9e087a2dc4bf8f53f7e8d2debf">00119</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a95dc2c9e087a2dc4bf8f53f7e8d2debf">null</a>(<span class="keywordtype">void</span>)
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121 <span class="keywordflow">return</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a2ee1b69a60129330cdf55f04f5e05b2f">m_data</a> == 0;
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00124"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#ae1bc3645002af05640604607a0183ed8">00124</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html#ae1bc3645002af05640604607a0183ed8">clear</a>(<span class="keywordtype">void</span>)
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 <span class="keywordflow">if</span>(<a class="code" href="classstlplus_1_1smart__ptr__holder.html#a2ee1b69a60129330cdf55f04f5e05b2f">m_data</a>)
<a name="l00127"></a>00127 <span class="keyword">delete</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a2ee1b69a60129330cdf55f04f5e05b2f">m_data</a>;
<a name="l00128"></a>00128 <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a2ee1b69a60129330cdf55f04f5e05b2f">m_data</a> = 0;
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#ac93adcd4466657016341bd2dc79c645f">00131</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <span class="keyword">set</span>(T* p = 0)
<a name="l00132"></a>00132 {
<a name="l00133"></a>00133 <a class="code" href="classstlplus_1_1smart__ptr__holder.html#ae1bc3645002af05640604607a0183ed8">clear</a>();
<a name="l00134"></a>00134 <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a2ee1b69a60129330cdf55f04f5e05b2f">m_data</a> = p;
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136
<a name="l00137"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a8185285c704b56f285b869c7bc0bae20">00137</a> <span class="keyword">inline</span> T*& <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a8185285c704b56f285b869c7bc0bae20">pointer</a>(<span class="keywordtype">void</span>)
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 <span class="keywordflow">return</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a2ee1b69a60129330cdf55f04f5e05b2f">m_data</a>;
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a2cf7cc482f6ff6a078469a20d1db9c8b">00142</a> <span class="keyword">inline</span> <span class="keyword">const</span> T* <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a8185285c704b56f285b869c7bc0bae20">pointer</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>
<a name="l00143"></a>00143 <span class="keyword"> </span>{
<a name="l00144"></a>00144 <span class="keywordflow">return</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html#a2ee1b69a60129330cdf55f04f5e05b2f">m_data</a>;
<a name="l00145"></a>00145 }
<a name="l00146"></a>00146
<a name="l00147"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#ac8329c1e6b5175db132aa737a67dbb42">00147</a> <span class="keyword">inline</span> T& <a class="code" href="classstlplus_1_1smart__ptr__holder.html#ac8329c1e6b5175db132aa737a67dbb42">value</a>(<span class="keywordtype">void</span>)
<a name="l00148"></a>00148 {
<a name="l00149"></a>00149 <span class="keywordflow">return</span> *<a class="code" href="classstlplus_1_1smart__ptr__holder.html#a2ee1b69a60129330cdf55f04f5e05b2f">m_data</a>;
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151
<a name="l00152"></a><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a098232c1f3d60c08ef6d42ad9c175adb">00152</a> <span class="keyword">inline</span> <span class="keyword">const</span> T& <a class="code" href="classstlplus_1_1smart__ptr__holder.html#ac8329c1e6b5175db132aa737a67dbb42">value</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>
<a name="l00153"></a>00153 <span class="keyword"> </span>{
<a name="l00154"></a>00154 <span class="keywordflow">return</span> *<a class="code" href="classstlplus_1_1smart__ptr__holder.html#a2ee1b69a60129330cdf55f04f5e05b2f">m_data</a>;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156 };
<a name="l00157"></a>00157 <span class="comment"></span>
<a name="l00158"></a>00158 <span class="comment"> ////////////////////////////////////////////////////////////////////////////////</span>
<a name="l00159"></a>00159 <span class="comment"></span> <span class="comment">// smart_ptr_base class</span><span class="comment"></span>
<a name="l00160"></a>00160 <span class="comment"> ////////////////////////////////////////////////////////////////////////////////</span>
<a name="l00161"></a>00161 <span class="comment"></span><span class="comment"></span>
<a name="l00162"></a>00162 <span class="comment"> ////////////////////////////////////////////////////////////////////////////////</span>
<a name="l00163"></a>00163 <span class="comment"></span> <span class="comment">// constructors, assignments and destructors</span>
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="comment">// create a null pointer</span>
<a name="l00166"></a>00166 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00167"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#abe74873bbbae84d779c6443caaef8653">00167</a> <a class="code" href="classstlplus_1_1smart__ptr__base.html#abe74873bbbae84d779c6443caaef8653">smart_ptr_base<T,C,COUNTER>::smart_ptr_base</a>(<span class="keywordtype">void</span>) :
<a name="l00168"></a>00168 m_holder(new <a class="code" href="classstlplus_1_1smart__ptr__holder.html">smart_ptr_holder</a><T,COUNTER>)
<a name="l00169"></a>00169 {
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="comment">// create a pointer containing a *copy* of the object pointer</span>
<a name="l00173"></a>00173 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00174"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a751e406f30678fa5b6a24458186b6349">00174</a> <a class="code" href="classstlplus_1_1smart__ptr__base.html#abe74873bbbae84d779c6443caaef8653">smart_ptr_base<T,C,COUNTER>::smart_ptr_base</a>(<span class="keyword">const</span> T& data) <span class="keywordflow">throw</span>(<a class="code" href="classstlplus_1_1illegal__copy.html">illegal_copy</a>) :
<a name="l00175"></a>00175 m_holder(<span class="keyword">new</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html">smart_ptr_holder<T,COUNTER></a>)
<a name="l00176"></a>00176 {
<a name="l00177"></a>00177 m_holder->set(C()(data));
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="comment">// create a pointer containing a dynamically created object</span>
<a name="l00181"></a>00181 <span class="comment">// Note: the object must be allocated *by the user* with new</span>
<a name="l00182"></a>00182 <span class="comment">// constructor form - must be called in the form smart_ptr<type> x(new type(args))</span>
<a name="l00183"></a>00183 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00184"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a52f49cb7588b37e3cb241690ab24f62b">00184</a> <a class="code" href="classstlplus_1_1smart__ptr__base.html#abe74873bbbae84d779c6443caaef8653">smart_ptr_base<T,C,COUNTER>::smart_ptr_base</a>(T* data) :
<a name="l00185"></a>00185 m_holder(new <a class="code" href="classstlplus_1_1smart__ptr__holder.html">smart_ptr_holder</a><T,COUNTER>)
<a name="l00186"></a>00186 {
<a name="l00187"></a>00187 <a class="code" href="classstlplus_1_1smart__ptr__base.html#acd451bc76df1e6ef931cdb6ed625e90e">m_holder</a>-><a class="code" href="classstlplus_1_1smart__ptr__holder.html#ac93adcd4466657016341bd2dc79c645f">set</a>(data);
<a name="l00188"></a>00188 }
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="comment">// copy constructor implements counted referencing - no copy is made</span>
<a name="l00191"></a>00191 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00192"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a57dcd494876cb83e69796a3a9352a32e">00192</a> <a class="code" href="classstlplus_1_1smart__ptr__base.html#abe74873bbbae84d779c6443caaef8653">smart_ptr_base<T,C,COUNTER>::smart_ptr_base</a>(<span class="keyword">const</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html">smart_ptr_base<T,C,COUNTER></a>& r) :
<a name="l00193"></a>00193 m_holder(0)
<a name="l00194"></a>00194 {
<a name="l00195"></a>00195 <a class="code" href="classstlplus_1_1smart__ptr__base.html#acd451bc76df1e6ef931cdb6ed625e90e">m_holder</a> = r.<a class="code" href="classstlplus_1_1smart__ptr__base.html#acd451bc76df1e6ef931cdb6ed625e90e">m_holder</a>;
<a name="l00196"></a>00196 <a class="code" href="classstlplus_1_1smart__ptr__base.html#acd451bc76df1e6ef931cdb6ed625e90e">m_holder</a>-><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a93adab8d5f216928e354019a6f89c178">increment</a>();
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="comment">// destructor decrements the reference count and delete only when the last reference is destroyed</span>
<a name="l00200"></a>00200 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00201"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#aba62fe4d641ed8cafe03da560e98a798">00201</a> <a class="code" href="classstlplus_1_1smart__ptr__base.html#aba62fe4d641ed8cafe03da560e98a798">smart_ptr_base<T,C,COUNTER>::~smart_ptr_base</a>(<span class="keywordtype">void</span>)
<a name="l00202"></a>00202 {
<a name="l00203"></a>00203 <span class="keywordflow">if</span>(m_holder->decrement())
<a name="l00204"></a>00204 <span class="keyword">delete</span> m_holder;
<a name="l00205"></a>00205 }
<a name="l00206"></a>00206 <span class="comment"></span>
<a name="l00207"></a>00207 <span class="comment"> //////////////////////////////////////////////////////////////////////////////</span>
<a name="l00208"></a>00208 <span class="comment"></span> <span class="comment">// logical tests to see if there is anything contained in the pointer since it can be null</span>
<a name="l00209"></a>00209
<a name="l00210"></a>00210 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00211"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a728ff4f7aed60dbf897409cfb6bdcd41">00211</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html#a728ff4f7aed60dbf897409cfb6bdcd41">smart_ptr_base<T,C,COUNTER>::null</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>
<a name="l00212"></a>00212 <span class="keyword"> </span>{
<a name="l00213"></a>00213 <span class="keywordflow">return</span> m_holder->null();
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215
<a name="l00216"></a>00216 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00217"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#ae6770e65491357f39d14c2e0faa35849">00217</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html#ae6770e65491357f39d14c2e0faa35849">smart_ptr_base<T,C,COUNTER>::present</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>
<a name="l00218"></a>00218 <span class="keyword"> </span>{
<a name="l00219"></a>00219 <span class="keywordflow">return</span> !m_holder->null();
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221
<a name="l00222"></a>00222 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00223"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a081578448de33f75eae2e013480cd385">00223</a> <span class="keywordtype">bool</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html#a081578448de33f75eae2e013480cd385">smart_ptr_base<T,C,COUNTER>::operator!</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>
<a name="l00224"></a>00224 <span class="keyword"> </span>{
<a name="l00225"></a>00225 <span class="keywordflow">return</span> m_holder->null();
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227
<a name="l00228"></a>00228 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00229"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#acc379016149ac23a6572b188474b18d8">00229</a> <a class="code" href="classstlplus_1_1smart__ptr__base.html#acc379016149ac23a6572b188474b18d8">smart_ptr_base<T,C,COUNTER>::operator bool</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>
<a name="l00230"></a>00230 <span class="keyword"> </span>{
<a name="l00231"></a>00231 <span class="keywordflow">return</span> !m_holder->null();
<a name="l00232"></a>00232 }
<a name="l00233"></a>00233 <span class="comment"></span>
<a name="l00234"></a>00234 <span class="comment"> //////////////////////////////////////////////////////////////////////////////</span>
<a name="l00235"></a>00235 <span class="comment"></span> <span class="comment">// dereference operators and functions</span>
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00238"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a792815c41b6f7bf9de665a318c4a5630">00238</a> <span class="keyword">inline</span> T& <a class="code" href="classstlplus_1_1smart__ptr__base.html#a792815c41b6f7bf9de665a318c4a5630">smart_ptr_base<T,C,COUNTER>::operator*</a>(<span class="keywordtype">void</span>) throw(<a class="code" href="classstlplus_1_1null__dereference.html">null_dereference</a>)
<a name="l00239"></a>00239 {
<a name="l00240"></a>00240 <span class="keywordflow">if</span> (m_holder->null()) <span class="keywordflow">throw</span> null_dereference(<span class="stringliteral">"null pointer dereferenced in smart_ptr::operator*"</span>);
<a name="l00241"></a>00241 <span class="keywordflow">return</span> m_holder->value();
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00245"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a38a214180bc6a8edc29e2bb8dd6e41e2">00245</a> <span class="keyword">inline</span> <span class="keyword">const</span> T& <a class="code" href="classstlplus_1_1smart__ptr__base.html#a792815c41b6f7bf9de665a318c4a5630">smart_ptr_base<T,C,COUNTER>::operator*</a>(<span class="keywordtype">void</span>) <span class="keyword">const</span> throw(<a class="code" href="classstlplus_1_1null__dereference.html">null_dereference</a>)
<a name="l00246"></a>00246 {
<a name="l00247"></a>00247 <span class="keywordflow">if</span> (m_holder->null()) <span class="keywordflow">throw</span> null_dereference(<span class="stringliteral">"null pointer dereferenced in smart_ptr::operator*"</span>);
<a name="l00248"></a>00248 <span class="keywordflow">return</span> m_holder->value();
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00252"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#ad84e12a813fec58773b140495b374f9a">00252</a> <span class="keyword">inline</span> T* <a class="code" href="classstlplus_1_1smart__ptr__base.html#ad84e12a813fec58773b140495b374f9a">smart_ptr_base<T,C,COUNTER>::operator-></a>(<span class="keywordtype">void</span>) throw(<a class="code" href="classstlplus_1_1null__dereference.html">null_dereference</a>)
<a name="l00253"></a>00253 {
<a name="l00254"></a>00254 <span class="keywordflow">if</span> (m_holder->null()) <span class="keywordflow">throw</span> null_dereference(<span class="stringliteral">"null pointer dereferenced in smart_ptr::operator->"</span>);
<a name="l00255"></a>00255 <span class="keywordflow">return</span> m_holder->pointer();
<a name="l00256"></a>00256 }
<a name="l00257"></a>00257
<a name="l00258"></a>00258 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00259"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a6de84f36b6650a06e32316675287d7cf">00259</a> <span class="keyword">inline</span> <span class="keyword">const</span> T* <a class="code" href="classstlplus_1_1smart__ptr__base.html#ad84e12a813fec58773b140495b374f9a">smart_ptr_base<T,C,COUNTER>::operator-></a>(<span class="keywordtype">void</span>) <span class="keyword">const</span> throw(<a class="code" href="classstlplus_1_1null__dereference.html">null_dereference</a>)
<a name="l00260"></a>00260 {
<a name="l00261"></a>00261 <span class="keywordflow">if</span> (m_holder->null()) <span class="keywordflow">throw</span> null_dereference(<span class="stringliteral">"null pointer dereferenced in smart_ptr::operator->"</span>);
<a name="l00262"></a>00262 <span class="keywordflow">return</span> m_holder->pointer();
<a name="l00263"></a>00263 }
<a name="l00264"></a>00264 <span class="comment"></span>
<a name="l00265"></a>00265 <span class="comment"> //////////////////////////////////////////////////////////////////////////////</span>
<a name="l00266"></a>00266 <span class="comment"></span> <span class="comment">// explicit function forms of the above assignment dereference operators</span>
<a name="l00267"></a>00267
<a name="l00268"></a>00268 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00269"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#ab48b95d77ce3071b6d3257cbc42af931">00269</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html#ab48b95d77ce3071b6d3257cbc42af931">smart_ptr_base<T,C,COUNTER>::set_value</a>(<span class="keyword">const</span> T& data) <span class="keywordflow">throw</span>(<a class="code" href="classstlplus_1_1illegal__copy.html">illegal_copy</a>)
<a name="l00270"></a>00270 {
<a name="l00271"></a>00271 m_holder->set(C()(data));
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273
<a name="l00274"></a>00274 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00275"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a55de3c6999f4a5ad89b7c7aa59901188">00275</a> <span class="keyword">inline</span> T& <a class="code" href="classstlplus_1_1smart__ptr__base.html#a55de3c6999f4a5ad89b7c7aa59901188">smart_ptr_base<T,C,COUNTER>::value</a>(<span class="keywordtype">void</span>) throw(<a class="code" href="classstlplus_1_1null__dereference.html">null_dereference</a>)
<a name="l00276"></a>00276 {
<a name="l00277"></a>00277 <span class="keywordflow">if</span> (m_holder->null()) <span class="keywordflow">throw</span> null_dereference(<span class="stringliteral">"null pointer dereferenced in smart_ptr::value"</span>);
<a name="l00278"></a>00278 <span class="keywordflow">return</span> m_holder->value();
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280
<a name="l00281"></a>00281 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00282"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a5575bf0326e2c366fe9644c8ddcbf88f">00282</a> <span class="keyword">inline</span> <span class="keyword">const</span> T& <a class="code" href="classstlplus_1_1smart__ptr__base.html#a55de3c6999f4a5ad89b7c7aa59901188">smart_ptr_base<T,C,COUNTER>::value</a>(<span class="keywordtype">void</span>) <span class="keyword">const</span> throw(<a class="code" href="classstlplus_1_1null__dereference.html">null_dereference</a>)
<a name="l00283"></a>00283 {
<a name="l00284"></a>00284 <span class="keywordflow">if</span> (m_holder->null()) <span class="keywordflow">throw</span> null_dereference(<span class="stringliteral">"null pointer dereferenced in smart_ptr::value"</span>);
<a name="l00285"></a>00285 <span class="keywordflow">return</span> m_holder->value();
<a name="l00286"></a>00286 }
<a name="l00287"></a>00287
<a name="l00288"></a>00288 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00289"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a9f0f0048ac859448a2d9c484d9f4e940">00289</a> <span class="keywordtype">void</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html#a9f0f0048ac859448a2d9c484d9f4e940">smart_ptr_base<T,C,COUNTER>::set</a>(T* data)
<a name="l00290"></a>00290 {
<a name="l00291"></a>00291 m_holder->set(data);
<a name="l00292"></a>00292 }
<a name="l00293"></a>00293
<a name="l00294"></a>00294 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00295"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a5867709e8f97a35d807a7c85d28692bd">00295</a> <span class="keyword">inline</span> T* <a class="code" href="classstlplus_1_1smart__ptr__base.html#a5867709e8f97a35d807a7c85d28692bd">smart_ptr_base<T,C,COUNTER>::pointer</a>(<span class="keywordtype">void</span>)
<a name="l00296"></a>00296 {
<a name="l00297"></a>00297 <span class="keywordflow">return</span> m_holder->pointer();
<a name="l00298"></a>00298 }
<a name="l00299"></a>00299
<a name="l00300"></a>00300 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00301"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#ad598b41619072e89743c8368fb340011">00301</a> <span class="keyword">inline</span> <span class="keyword">const</span> T* <a class="code" href="classstlplus_1_1smart__ptr__base.html#a5867709e8f97a35d807a7c85d28692bd">smart_ptr_base<T,C,COUNTER>::pointer</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>
<a name="l00302"></a>00302 <span class="keyword"> </span>{
<a name="l00303"></a>00303 <span class="keywordflow">return</span> m_holder->pointer();
<a name="l00304"></a>00304 }
<a name="l00305"></a>00305 <span class="comment"></span>
<a name="l00306"></a>00306 <span class="comment"> ////////////////////////////////////////////////////////////////////////////////</span>
<a name="l00307"></a>00307 <span class="comment"></span> <span class="comment">// functions to manage counted referencing</span>
<a name="l00308"></a>00308
<a name="l00309"></a>00309 <span class="comment">// make this an alias of the passed object</span>
<a name="l00310"></a>00310 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00311"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a222d2ef7fe357157d64ba7aaf5558d73">00311</a> <span class="keywordtype">void</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html#a222d2ef7fe357157d64ba7aaf5558d73">smart_ptr_base<T,C,COUNTER>::alias</a>(<span class="keyword">const</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html">smart_ptr_base<T,C,COUNTER></a>& r)
<a name="l00312"></a>00312 {
<a name="l00313"></a>00313 <span class="comment">// make it alias-copy safe - this means that I don't try to do the</span>
<a name="l00314"></a>00314 <span class="comment">// assignment if r is either the same object or an alias of it</span>
<a name="l00315"></a>00315 <span class="comment">// if (m_holder == r.m_holder) return;</span>
<a name="l00316"></a>00316 <span class="comment">// if (m_holder->decrement())</span>
<a name="l00317"></a>00317 <span class="comment">// delete m_holder;</span>
<a name="l00318"></a>00318 <span class="comment">// m_holder = r.m_holder;</span>
<a name="l00319"></a>00319 <span class="comment">// m_holder->increment();</span>
<a name="l00320"></a>00320 make_alias(r.<a class="code" href="classstlplus_1_1smart__ptr__base.html#acd451bc76df1e6ef931cdb6ed625e90e">m_holder</a>);
<a name="l00321"></a>00321 }
<a name="l00322"></a>00322
<a name="l00323"></a>00323 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00324"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#adb6dcfcefd7dd11f8fee69fea69d25a4">00324</a> <span class="keywordtype">bool</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html#adb6dcfcefd7dd11f8fee69fea69d25a4">smart_ptr_base<T,C,COUNTER>::aliases</a>(<span class="keyword">const</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html">smart_ptr_base<T,C,COUNTER></a>& r)<span class="keyword"> const</span>
<a name="l00325"></a>00325 <span class="keyword"> </span>{
<a name="l00326"></a>00326 <span class="keywordflow">return</span> m_holder == r.<a class="code" href="classstlplus_1_1smart__ptr__base.html#acd451bc76df1e6ef931cdb6ed625e90e">m_holder</a>;
<a name="l00327"></a>00327 }
<a name="l00328"></a>00328
<a name="l00329"></a>00329 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00330"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a428d4b9edd159f5570dac4c2826d0b9c">00330</a> <span class="keywordtype">unsigned</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html#a428d4b9edd159f5570dac4c2826d0b9c">smart_ptr_base<T,C,COUNTER>::alias_count</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>
<a name="l00331"></a>00331 <span class="keyword"> </span>{
<a name="l00332"></a>00332 <span class="keywordflow">return</span> m_holder->count();
<a name="l00333"></a>00333 }
<a name="l00334"></a>00334
<a name="l00335"></a>00335 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00336"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a7a08a242d71f7a104e2a54d13f448a44">00336</a> <span class="keywordtype">void</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html#a7a08a242d71f7a104e2a54d13f448a44">smart_ptr_base<T,C,COUNTER>::clear</a>(<span class="keywordtype">void</span>)
<a name="l00337"></a>00337 {
<a name="l00338"></a>00338 m_holder->clear();
<a name="l00339"></a>00339 }
<a name="l00340"></a>00340
<a name="l00341"></a>00341 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00342"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a586945ba6008c8e3dbe24deb8bcb1344">00342</a> <span class="keywordtype">void</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html#a586945ba6008c8e3dbe24deb8bcb1344">smart_ptr_base<T,C,COUNTER>::clear_unique</a>(<span class="keywordtype">void</span>)
<a name="l00343"></a>00343 {
<a name="l00344"></a>00344 <span class="keywordflow">if</span> (m_holder->count() == 1)
<a name="l00345"></a>00345 m_holder->clear();
<a name="l00346"></a>00346 <span class="keywordflow">else</span>
<a name="l00347"></a>00347 {
<a name="l00348"></a>00348 m_holder->decrement();
<a name="l00349"></a>00349 m_holder = 0;
<a name="l00350"></a>00350 m_holder = <span class="keyword">new</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html">smart_ptr_holder<T,COUNTER></a>;
<a name="l00351"></a>00351 }
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353
<a name="l00354"></a>00354 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00355"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a409515b3d55da1c3e468e6df5037128b">00355</a> <span class="keywordtype">void</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html#a409515b3d55da1c3e468e6df5037128b">smart_ptr_base<T,C,COUNTER>::make_unique</a>(<span class="keywordtype">void</span>) throw(<a class="code" href="classstlplus_1_1illegal__copy.html">illegal_copy</a>)
<a name="l00356"></a>00356 {
<a name="l00357"></a>00357 <span class="keywordflow">if</span> (m_holder->count() > 1)
<a name="l00358"></a>00358 {
<a name="l00359"></a>00359 <a class="code" href="classstlplus_1_1smart__ptr__holder.html">smart_ptr_holder<T,COUNTER></a>* old_holder = m_holder;
<a name="l00360"></a>00360 m_holder-><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a0130b734089e7abe08bab72322c5ae84">decrement</a>();
<a name="l00361"></a>00361 m_holder = 0;
<a name="l00362"></a>00362 m_holder = <span class="keyword">new</span> <a class="code" href="classstlplus_1_1smart__ptr__holder.html">smart_ptr_holder<T,COUNTER></a>;
<a name="l00363"></a>00363 <span class="keywordflow">if</span> (old_holder-><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a8185285c704b56f285b869c7bc0bae20">pointer</a>())
<a name="l00364"></a>00364 m_holder-><a class="code" href="classstlplus_1_1smart__ptr__holder.html#ac93adcd4466657016341bd2dc79c645f">set</a>(C()(old_holder-><a class="code" href="classstlplus_1_1smart__ptr__holder.html#ac8329c1e6b5175db132aa737a67dbb42">value</a>()));
<a name="l00365"></a>00365 }
<a name="l00366"></a>00366 }
<a name="l00367"></a>00367
<a name="l00368"></a>00368 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00369"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a451642c0819ccaee311969af7c9bfc6b">00369</a> <span class="keywordtype">void</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html#a451642c0819ccaee311969af7c9bfc6b">smart_ptr_base<T,C,COUNTER>::copy</a>(<span class="keyword">const</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html">smart_ptr_base<T,C,COUNTER></a>& data) <span class="keywordflow">throw</span>(<a class="code" href="classstlplus_1_1illegal__copy.html">illegal_copy</a>)
<a name="l00370"></a>00370 {
<a name="l00371"></a>00371 alias(data);
<a name="l00372"></a>00372 make_unique();
<a name="l00373"></a>00373 }
<a name="l00374"></a>00374
<a name="l00375"></a>00375 <span class="comment">// internal function for distinguishing unique smart_ptr objects</span>
<a name="l00376"></a>00376 <span class="comment">// used for example in persistence routines</span>
<a name="l00377"></a>00377
<a name="l00378"></a>00378 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00379"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#af943324feb2e32949c6a40042ae582c4">00379</a> <span class="keywordtype">void</span>* <a class="code" href="classstlplus_1_1smart__ptr__base.html#af943324feb2e32949c6a40042ae582c4">smart_ptr_base<T,C,COUNTER>::handle</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>
<a name="l00380"></a>00380 <span class="keyword"> </span>{
<a name="l00381"></a>00381 <span class="keywordflow">return</span> m_holder;
<a name="l00382"></a>00382 }
<a name="l00383"></a>00383
<a name="l00384"></a>00384 <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> C, <span class="keyword">typename</span> COUNTER>
<a name="l00385"></a><a class="code" href="classstlplus_1_1smart__ptr__base.html#a40f1c4e01f48973f243ce45cf0c6ebdc">00385</a> <span class="keywordtype">void</span> <a class="code" href="classstlplus_1_1smart__ptr__base.html#a40f1c4e01f48973f243ce45cf0c6ebdc">smart_ptr_base<T,C,COUNTER>::make_alias</a>(<span class="keywordtype">void</span>* handle)
<a name="l00386"></a>00386 {
<a name="l00387"></a>00387 <a class="code" href="classstlplus_1_1smart__ptr__holder.html">smart_ptr_holder<T,COUNTER></a>* r_holder = (<a class="code" href="classstlplus_1_1smart__ptr__holder.html">smart_ptr_holder<T,COUNTER></a>*)handle;
<a name="l00388"></a>00388 <span class="keywordflow">if</span> (m_holder != r_holder)
<a name="l00389"></a>00389 {
<a name="l00390"></a>00390 <span class="keywordflow">if</span> (m_holder->decrement())
<a name="l00391"></a>00391 <span class="keyword">delete</span> m_holder;
<a name="l00392"></a>00392 m_holder = r_holder;
<a name="l00393"></a>00393 m_holder-><a class="code" href="classstlplus_1_1smart__ptr__holder.html#a93adab8d5f216928e354019a6f89c178">increment</a>();
<a name="l00394"></a>00394 }
<a name="l00395"></a>00395 }
<a name="l00396"></a>00396 <span class="comment"></span>
<a name="l00397"></a>00397 <span class="comment"> ////////////////////////////////////////////////////////////////////////////////</span>
<a name="l00398"></a>00398 <span class="comment"></span>
<a name="l00399"></a>00399 } <span class="comment">// end namespace stlplus</span>
<a name="l00400"></a>00400
<a name="l00401"></a>00401 <span class="preprocessor">#endif</span>
<a name="l00402"></a>00402 <span class="preprocessor"></span>
</pre></div></div>
</div>
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