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+<head>
+<!-- Generated by the Spirit (http://spirit.sf.net) C++ to HTML Converter -->
+<title>
+SmartPtr.hpp</title>
+<link rel="stylesheet" href="../../Documentation/Style/CXX.css" type="text/css"></head>
+<body>
+<pre>
+<span class=comment>// file : Utility/ReferenceCounting/SmartPtr.hpp
+// author : Boris Kolpackov &lt;boris@kolpackov.net&gt;
+// copyright : Copyright (c) 2002-2003 Boris Kolpackov
+// license : http://kolpackov.net/license.html
+
+</span><span class=keyword>namespace </span><span class=identifier>Utility
+</span><span class=special>{
+ </span><span class=keyword>namespace </span><span class=identifier>ReferenceCounting
+ </span><span class=special>{
+ </span><span class=keyword>template </span><span class=special>&lt;</span><span class=keyword>typename </span><span class=identifier>T</span><span class=special>&gt;
+ </span><span class=keyword>class </span><span class=identifier>SmartPtr
+ </span><span class=special>{
+ </span><span class=keyword>public</span><span class=special>:
+ </span><span class=keyword>typedef
+ </span><span class=identifier>T
+ </span><span class=identifier>Type</span><span class=special>;
+
+ </span><span class=keyword>class </span><span class=identifier>NotInitialized_ </span><span class=special>{};
+ </span><span class=keyword>typedef
+ </span><span class=identifier>ExH</span><span class=special>::</span><span class=identifier>Compound</span><span class=special>&lt;</span><span class=identifier>NotInitialized_</span><span class=special>, </span><span class=identifier>ExH</span><span class=special>::</span><span class=identifier>Logic</span><span class=special>::</span><span class=identifier>DescriptiveException</span><span class=special>&gt;
+ </span><span class=identifier>NotInitialized</span><span class=special>;
+
+ </span><span class=keyword>public</span><span class=special>:
+ </span><span class=comment>// c-tor's
+
+ </span><span class=identifier>SmartPtr </span><span class=special>() </span><span class=keyword>throw </span><span class=special>();
+ </span><span class=identifier>SmartPtr </span><span class=special>(</span><span class=identifier>Type</span><span class=special>* </span><span class=identifier>ptr</span><span class=special>) </span><span class=keyword>throw </span><span class=special>();
+ </span><span class=identifier>SmartPtr </span><span class=special>(</span><span class=identifier>SmartPtr</span><span class=special>&lt;</span><span class=identifier>Type</span><span class=special>&gt; </span><span class=keyword>const</span><span class=special>&amp; </span><span class=identifier>s_ptr</span><span class=special>)
+ </span><span class=keyword>throw </span><span class=special>(</span><span class=identifier>Interface</span><span class=special>::</span><span class=identifier>Exception</span><span class=special>, </span><span class=identifier>Interface</span><span class=special>::</span><span class=identifier>SystemException</span><span class=special>);
+
+ </span><span class=keyword>template </span><span class=special>&lt;</span><span class=keyword>typename </span><span class=identifier>Other</span><span class=special>&gt;
+ </span><span class=identifier>SmartPtr </span><span class=special>(</span><span class=identifier>SmartPtr</span><span class=special>&lt;</span><span class=identifier>Other</span><span class=special>&gt; </span><span class=keyword>const</span><span class=special>&amp; </span><span class=identifier>s_ptr</span><span class=special>)
+ </span><span class=keyword>throw </span><span class=special>(</span><span class=identifier>Interface</span><span class=special>::</span><span class=identifier>Exception</span><span class=special>, </span><span class=identifier>Interface</span><span class=special>::</span><span class=identifier>SystemException</span><span class=special>);
+
+ </span><span class=comment>// d-tor
+
+ </span><span class=special>~</span><span class=identifier>SmartPtr </span><span class=special>() </span><span class=keyword>throw </span><span class=special>();
+
+ </span><span class=comment>// assignment &amp; copy-assignment operators
+
+ </span><span class=identifier>SmartPtr</span><span class=special>&lt;</span><span class=identifier>Type</span><span class=special>&gt;&amp;
+ </span><span class=keyword>operator</span><span class=special>= </span><span class=special>(</span><span class=identifier>Type</span><span class=special>* </span><span class=identifier>ptr</span><span class=special>) </span><span class=keyword>throw </span><span class=special>();
+
+ </span><span class=identifier>SmartPtr</span><span class=special>&lt;</span><span class=identifier>Type</span><span class=special>&gt;&amp;
+ </span><span class=keyword>operator</span><span class=special>= </span><span class=special>(</span><span class=identifier>SmartPtr</span><span class=special>&lt;</span><span class=identifier>Type</span><span class=special>&gt; </span><span class=keyword>const</span><span class=special>&amp; </span><span class=identifier>s_ptr</span><span class=special>)
+ </span><span class=keyword>throw </span><span class=special>(</span><span class=identifier>Interface</span><span class=special>::</span><span class=identifier>Exception</span><span class=special>, </span><span class=identifier>Interface</span><span class=special>::</span><span class=identifier>SystemException</span><span class=special>);
+
+ </span><span class=keyword>template </span><span class=special>&lt;</span><span class=keyword>typename </span><span class=identifier>Other</span><span class=special>&gt;
+ </span><span class=identifier>SmartPtr</span><span class=special>&lt;</span><span class=identifier>Type</span><span class=special>&gt;&amp;
+ </span><span class=keyword>operator</span><span class=special>= </span><span class=special>(</span><span class=identifier>SmartPtr</span><span class=special>&lt;</span><span class=identifier>Other</span><span class=special>&gt; </span><span class=keyword>const</span><span class=special>&amp; </span><span class=identifier>s_ptr</span><span class=special>)
+ </span><span class=keyword>throw </span><span class=special>(</span><span class=identifier>Interface</span><span class=special>::</span><span class=identifier>Exception</span><span class=special>, </span><span class=identifier>Interface</span><span class=special>::</span><span class=identifier>SystemException</span><span class=special>);
+
+ </span><span class=comment>//conversions
+
+ </span><span class=keyword>operator </span><span class=identifier>Type</span><span class=special>* </span><span class=special>() </span><span class=keyword>const </span><span class=keyword>throw </span><span class=special>();
+
+ </span><span class=comment>// accessors
+
+ </span><span class=identifier>Type</span><span class=special>*
+ </span><span class=keyword>operator</span><span class=special>-&gt; </span><span class=special>() </span><span class=keyword>const </span><span class=keyword>throw </span><span class=special>(</span><span class=identifier>NotInitialized</span><span class=special>);
+
+ </span><span class=identifier>Type</span><span class=special>*
+ </span><span class=identifier>in </span><span class=special>() </span><span class=keyword>const </span><span class=keyword>throw </span><span class=special>();
+
+ </span><span class=identifier>Type</span><span class=special>*
+ </span><span class=identifier>retn</span><span class=special>() </span><span class=keyword>throw </span><span class=special>();
+
+ </span><span class=keyword>private</span><span class=special>:
+ </span><span class=identifier>Type</span><span class=special>* </span><span class=identifier>ptr_</span><span class=special>;
+ </span><span class=special>};
+
+ </span><span class=comment>// Specialization of add_ref function for SmartPtr&lt;T&gt;
+ </span><span class=keyword>template </span><span class=special>&lt;</span><span class=keyword>typename </span><span class=identifier>T</span><span class=special>&gt;
+ </span><span class=identifier>T</span><span class=special>*
+ </span><span class=identifier>add_ref </span><span class=special>(</span><span class=identifier>SmartPtr</span><span class=special>&lt;</span><span class=identifier>T</span><span class=special>&gt; </span><span class=keyword>const</span><span class=special>&amp; </span><span class=identifier>ptr</span><span class=special>)
+ </span><span class=keyword>throw </span><span class=special>(</span><span class=identifier>Interface</span><span class=special>::</span><span class=identifier>Exception</span><span class=special>, </span><span class=identifier>Interface</span><span class=special>::</span><span class=identifier>SystemException</span><span class=special>);
+
+
+ </span><span class=comment>// Dynamic type conversion function for SmartPtr's
+ </span><span class=keyword>template </span><span class=special>&lt;</span><span class=keyword>typename </span><span class=identifier>D</span><span class=special>, </span><span class=keyword>typename </span><span class=identifier>S</span><span class=special>&gt;
+ </span><span class=identifier>D</span><span class=special>*
+ </span><span class=identifier>smart_cast </span><span class=special>(</span><span class=identifier>SmartPtr</span><span class=special>&lt;</span><span class=identifier>S</span><span class=special>&gt; </span><span class=keyword>const</span><span class=special>&amp; </span><span class=identifier>s</span><span class=special>)
+ </span><span class=keyword>throw </span><span class=special>(</span><span class=identifier>Interface</span><span class=special>::</span><span class=identifier>Exception</span><span class=special>, </span><span class=identifier>Interface</span><span class=special>::</span><span class=identifier>SystemException</span><span class=special>);
+
+ </span><span class=comment>// Acquisition function
+ </span><span class=keyword>template </span><span class=special>&lt;</span><span class=keyword>typename </span><span class=identifier>T</span><span class=special>&gt;
+ </span><span class=identifier>SmartPtr</span><span class=special>&lt;</span><span class=identifier>T</span><span class=special>&gt;
+ </span><span class=identifier>acquire </span><span class=special>(</span><span class=identifier>T</span><span class=special>* </span><span class=identifier>ptr</span><span class=special>) </span><span class=keyword>throw </span><span class=special>(</span><span class=identifier>Interface</span><span class=special>::</span><span class=identifier>Exception</span><span class=special>, </span><span class=identifier>Interface</span><span class=special>::</span><span class=identifier>SystemException</span><span class=special>);
+ </span><span class=special>}
+</span><span class=special>}
+
+</span></pre>
+</body>
+</html>
+<!-- $Id$ -->