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<hr><h1>smart_ptr_inline.h</h1><a href="smart__ptr__inline_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 
00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025 
00026 
00027 <font class="preprocessor">#ifndef NL_SMARTPTR_INLINE_H</font>
00028 <font class="preprocessor"></font><font class="preprocessor">#define NL_SMARTPTR_INLINE_H</font>
00029 <font class="preprocessor"></font>
00030 <font class="keyword">namespace       </font>NLMISC
00031 {
00032 
00033 
00034 
00035 <font class="comment">// ***************************************************************************</font>
00036 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00037 <font class="preprocessor"></font><font class="preprocessor">#define SMART_INLINE __forceinline</font>
00038 <font class="preprocessor"></font><font class="preprocessor">#else</font>
<a name="l00039"></a><a class="code" href="smart__ptr__inline_8h.html#a0">00039</a> <font class="preprocessor"></font><font class="preprocessor">#define SMART_INLINE inline </font>
00040 <font class="preprocessor"></font><font class="preprocessor">#endif</font>
00041 <font class="preprocessor"></font>
00042 
00043 <font class="comment">// ***************************************************************************</font>
<a name="l00044"></a><a class="code" href="classNLMISC_1_1CRefCount.html#a0">00044</a> <font class="keyword">inline</font> CRefCount::~CRefCount()
00045 {
00046         <font class="comment">// This is the destruction of the objet.</font>
00047 
00048         <font class="comment">// If a CRefPtr still points on me...</font>
00049         <font class="keywordflow">if</font>(!<a class="code" href="classNLMISC_1_1CRefCount.html#m1">pinfo</a>-&gt;<a class="code" href="structNLMISC_1_1CRefCount_1_1CPtrInfo.html#m2">IsNullPtrInfo</a>)
00050         {
00051                 <font class="comment">// inform them of my destruction.</font>
00052                 <a class="code" href="classNLMISC_1_1CRefCount.html#m1">pinfo</a>-&gt;<a class="code" href="structNLMISC_1_1CRefCount_1_1CPtrInfo.html#m0">Ptr</a>= NULL;
00053         }
00054 }
00055 
00056 
00057 <font class="comment">// ***************************************************************************</font>
00058 <font class="comment">// ***************************************************************************</font>
00059 <font class="comment">// CSmartPtr.</font>
00060 <font class="comment">// ***************************************************************************</font>
00061 <font class="comment">// ***************************************************************************</font>
00062 
00063 
00064 <font class="comment">// ***************************************************************************</font>
00065 <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;
<a name="l00066"></a><a class="code" href="classNLMISC_1_1CSmartPtr.html#a3">00066</a> <font class="keyword">inline</font> CSmartPtr&lt;T&gt;::~CSmartPtr(<font class="keywordtype">void</font>) 
00067 { 
00068         <a class="code" href="smart__ptr_8h.html#a0">SMART_TRACE</a>(<font class="stringliteral">"dtor()"</font>);
00069 
00070     <font class="keywordflow">if</font>(Ptr)
00071         {
00072                 <font class="keywordflow">if</font> (--(<a class="code" href="classNLMISC_1_1CSmartPtr.html#o0">Ptr</a>-&gt;crefs) == 0)
00073                         <font class="keyword">delete</font> <a class="code" href="classNLMISC_1_1CSmartPtr.html#o0">Ptr</a>;
00074                 <a class="code" href="classNLMISC_1_1CSmartPtr.html#o0">Ptr</a>=NULL;
00075         }
00076 }
00077 <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;    
<a name="l00078"></a><a class="code" href="classNLMISC_1_1CSmartPtr.html#a7">00078</a> <a class="code" href="smart__ptr__inline_8h.html#a0">SMART_INLINE</a> CSmartPtr&lt;T&gt;&amp; CSmartPtr&lt;T&gt;::operator=(T* p)
00079 {
00080         <a class="code" href="smart__ptr_8h.html#a0">SMART_TRACE</a>(<font class="stringliteral">"ope=(T*)Start"</font>);
00081 
00082         <font class="comment">// Implicit manage auto-assignation.</font>
00083     <font class="keywordflow">if</font>(p)
00084                 p-&gt;crefs++;
00085     <font class="keywordflow">if</font>(Ptr)
00086         {
00087                 <font class="keywordflow">if</font> (--(<a class="code" href="classNLMISC_1_1CSmartPtr.html#o0">Ptr</a>-&gt;crefs) == 0)
00088                         <font class="keyword">delete</font> <a class="code" href="classNLMISC_1_1CSmartPtr.html#o0">Ptr</a>;
00089         }
00090         <a class="code" href="classNLMISC_1_1CSmartPtr.html#o0">Ptr</a> = p;
00091 
00092         <a class="code" href="smart__ptr_8h.html#a0">SMART_TRACE</a>(<font class="stringliteral">"ope=(T*)End"</font>);
00093 
00094         <font class="keywordflow">return</font> *<font class="keyword">this</font>;
00095 }
00096 <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;    
<a name="l00097"></a><a class="code" href="classNLMISC_1_1CSmartPtr.html#a8">00097</a> <a class="code" href="smart__ptr__inline_8h.html#a0">SMART_INLINE</a> CSmartPtr&lt;T&gt;&amp; CSmartPtr&lt;T&gt;::operator=(<font class="keyword">const</font> CSmartPtr &amp;p)
00098 {
00099         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CSmartPtr.html#a7">operator=</a>(p.Ptr);
00100 }
00101 <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;    
<a name="l00102"></a><a class="code" href="classNLMISC_1_1CSmartPtr.html#a9">00102</a> <a class="code" href="smart__ptr__inline_8h.html#a0">SMART_INLINE</a> <font class="keywordtype">bool</font> <a class="code" href="zone__lighter_8cpp.html#a13">CSmartPtr&lt;T&gt;::operator&lt;</a>(<font class="keyword">const</font> CSmartPtr &amp;p)<font class="keyword"> const</font>
00103 <font class="keyword"></font>{
00104         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CSmartPtr.html#o0">Ptr</a>&lt;p.Ptr;
00105 }
00106 
00107 
00108 
00109 <font class="comment">// ***************************************************************************</font>
00110 <font class="comment">// ***************************************************************************</font>
00111 <font class="comment">// CRefPtr.</font>
00112 <font class="comment">// ***************************************************************************</font>
00113 <font class="comment">// ***************************************************************************</font>
00114 
00115 
00116 <font class="comment">// ***************************************************************************</font>
00117 <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;    
<a name="l00118"></a><a class="code" href="classNLMISC_1_1CRefPtr.html#c0">00118</a> <a class="code" href="smart__ptr__inline_8h.html#a0">SMART_INLINE</a> <font class="keywordtype">void</font>       CRefPtr&lt;T&gt;::unRef()<font class="keyword"> const</font>
00119 <font class="keyword"></font>{
00120         <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>-&gt;RefCount--;
00121         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>-&gt;RefCount==0)
00122         {
00123                 <font class="comment">// In CRefPtr, Never delete the object.</font>
00124 
00125                 <font class="comment">// We may be in the case that this==NullPtrInfo, and our NullPtrInfo has done a total round. Test it.</font>
00126                 <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>-&gt;IsNullPtrInfo)
00127                 {
00128                         <font class="comment">// This should not happens, but I'm not sure :) ...</font>
00129                         <font class="comment">// Reset the NullPtrInfo to a middle round.</font>
00130                         <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>-&gt;RefCount= 0x7FFFFFFF;
00131                 }
00132                 <font class="keywordflow">else</font>
00133                 {
00134                         <font class="comment">// If the CRefPtr still point to a valid object.</font>
00135                         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>-&gt;Ptr)
00136                         {
00137                                 <font class="comment">// Inform the Object that no more CRefPtr points on it.</font>
00138                                 ((T*)(<a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>-&gt;Ptr))-&gt;pinfo= &amp;CRefCount::NullPtrInfo;
00139                         }
00140                         <font class="comment">// Then delete the pinfo.</font>
00141                         <font class="keyword">delete</font> <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>;
00142                 }
00143 
00144         }
00145 }
00146 
00147 
00148 <font class="comment">// ***************************************************************************</font>
00149 <font class="comment">// Cons - dest.</font>
<a name="l00150"></a><a class="code" href="classNLMISC_1_1CRefPtr.html#a0">00150</a> <font class="keyword">template</font> &lt;<font class="keyword">class</font> T&gt; <font class="keyword">inline</font> CRefPtr&lt;T&gt;::CRefPtr() 
00151 { 
00152         <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>= &amp;CRefCount::NullPtrInfo;
00153         <a class="code" href="classNLMISC_1_1CRefPtr.html#o1">Ptr</a>= NULL;
00154 
00155         <a class="code" href="smart__ptr_8h.html#a1">REF_TRACE</a>(<font class="stringliteral">"Smart()"</font>);
00156 }
<a name="l00157"></a><a class="code" href="classNLMISC_1_1CRefPtr.html#a1">00157</a> <font class="keyword">template</font> &lt;<font class="keyword">class</font> T&gt; <font class="keyword">inline</font> CRefPtr&lt;T&gt;::CRefPtr(T *<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>)
00158 {
00159         <a class="code" href="classNLMISC_1_1CRefPtr.html#o1">Ptr</a>= <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;
00160     <font class="keywordflow">if</font>(v)
00161         {
00162                 <font class="comment">// If no CRefPtr handles v, create a pinfo ref...</font>
00163                 <font class="keywordflow">if</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>-&gt;pinfo-&gt;IsNullPtrInfo)
00164                         <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>-&gt;pinfo=<font class="keyword">new</font> CRefCount::CPtrInfo(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
00165                 <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>=<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>-&gt;pinfo;
00166                 <font class="comment">// v is now used by this.</font>
00167                 <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>-&gt;RefCount++;
00168         }
00169         <font class="keywordflow">else</font>
00170                 <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>= &amp;CRefCount::NullPtrInfo;
00171 
00172         <a class="code" href="smart__ptr_8h.html#a1">REF_TRACE</a>(<font class="stringliteral">"Smart(T*)"</font>);
00173 }
<a name="l00174"></a><a class="code" href="classNLMISC_1_1CRefPtr.html#a2">00174</a> <font class="keyword">template</font> &lt;<font class="keyword">class</font> T&gt; <font class="keyword">inline</font> CRefPtr&lt;T&gt;::CRefPtr(<font class="keyword">const</font> CRefPtr &amp;copy)
00175 {
00176         <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>=copy.pinfo;
00177         <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>-&gt;RefCount++;
00178         <a class="code" href="classNLMISC_1_1CRefPtr.html#o1">Ptr</a>= (T*)<a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>-&gt;Ptr;
00179 
00180         <a class="code" href="smart__ptr_8h.html#a1">REF_TRACE</a>(<font class="stringliteral">"SmartCopy()"</font>);
00181 }
<a name="l00182"></a><a class="code" href="classNLMISC_1_1CRefPtr.html#a3">00182</a> <font class="keyword">template</font> &lt;<font class="keyword">class</font> T&gt; <font class="keyword">inline</font> CRefPtr&lt;T&gt;::~CRefPtr(<font class="keywordtype">void</font>)
00183 {
00184         <a class="code" href="smart__ptr_8h.html#a1">REF_TRACE</a>(<font class="stringliteral">"~Smart()"</font>);
00185 
00186         <a class="code" href="classNLMISC_1_1CRefPtr.html#c0">unRef</a>();
00187         <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>= &amp;CRefCount::NullPtrInfo;
00188         <a class="code" href="classNLMISC_1_1CRefPtr.html#o1">Ptr</a>= NULL;
00189 }
00190 
00191 <font class="comment">// ***************************************************************************</font>
00192 <font class="comment">// Operators=.</font>
<a name="l00193"></a><a class="code" href="classNLMISC_1_1CRefPtr.html#a7">00193</a> <font class="keyword">template</font> &lt;<font class="keyword">class</font> T&gt; CRefPtr&lt;T&gt; &amp;CRefPtr&lt;T&gt;::operator=(T *<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>) 
00194 {
00195         <a class="code" href="smart__ptr_8h.html#a1">REF_TRACE</a>(<font class="stringliteral">"ope=(T*)Start"</font>);
00196 
00197 
00198         <a class="code" href="classNLMISC_1_1CRefPtr.html#o1">Ptr</a>= <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;
00199         <font class="keywordflow">if</font>(v)
00200         {
00201                 <font class="comment">// If no CRefPtr handles v, create a pinfo ref...</font>
00202                 <font class="keywordflow">if</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>-&gt;pinfo-&gt;IsNullPtrInfo)
00203                         <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>-&gt;pinfo=<font class="keyword">new</font> CRefCount::CPtrInfo(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
00204                 <font class="comment">// The auto equality test is implicitly done by upcounting first "v", then downcounting "this".</font>
00205                 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>-&gt;pinfo-&gt;RefCount++;
00206                 <a class="code" href="classNLMISC_1_1CRefPtr.html#c0">unRef</a>();
00207                 <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>= <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>-&gt;pinfo;
00208         }
00209         <font class="keywordflow">else</font>
00210         {
00211                 <a class="code" href="classNLMISC_1_1CRefPtr.html#c0">unRef</a>();
00212                 <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>= &amp;CRefCount::NullPtrInfo;
00213         }
00214 
00215 
00216         <a class="code" href="smart__ptr_8h.html#a1">REF_TRACE</a>(<font class="stringliteral">"ope=(T*)End"</font>);
00217 
00218         <font class="keywordflow">return</font> *<font class="keyword">this</font>;
00219 }
<a name="l00220"></a><a class="code" href="classNLMISC_1_1CRefPtr.html#a8">00220</a> <font class="keyword">template</font> &lt;<font class="keyword">class</font> T&gt; CRefPtr&lt;T&gt; &amp;CRefPtr&lt;T&gt;::operator=(<font class="keyword">const</font> CRefPtr &amp;copy) 
00221 {
00222         <a class="code" href="smart__ptr_8h.html#a1">REF_TRACE</a>(<font class="stringliteral">"ope=(Smart)Start"</font>);
00223 
00224         <font class="comment">// The auto equality test is implicitly done by upcounting first "copy", then downcounting "this".</font>
00225         copy.pinfo-&gt;RefCount++;
00226         <a class="code" href="classNLMISC_1_1CRefPtr.html#c0">unRef</a>();
00227         <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>=copy.pinfo;
00228         <font class="comment">// Must Refresh the ptr.</font>
00229         <a class="code" href="classNLMISC_1_1CRefPtr.html#o1">Ptr</a>= (T*)<a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>-&gt;Ptr;
00230 
00231         <a class="code" href="smart__ptr_8h.html#a1">REF_TRACE</a>(<font class="stringliteral">"ope=(Smart)End"</font>);
00232         <font class="keywordflow">return</font> *<font class="keyword">this</font>;
00233 }
00234 
00235 
00236 <font class="comment">// ***************************************************************************</font>
00237 <font class="comment">// Operations.</font>
<a name="l00238"></a><a class="code" href="classNLMISC_1_1CRefPtr.html#a9">00238</a> <font class="keyword">template</font> &lt;<font class="keyword">class</font> T&gt; <font class="keywordtype">void</font> CRefPtr&lt;T&gt;::kill()
00239 {
00240         <a class="code" href="smart__ptr_8h.html#a1">REF_TRACE</a>(<font class="stringliteral">"SmartKill"</font>);
00241 
00242         T       *ptr= (T*)<a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>-&gt;Ptr;
00243 
00244         <font class="comment">// First, release the refptr.</font>
00245         <a class="code" href="classNLMISC_1_1CRefPtr.html#c0">unRef</a>();
00246         <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>= &amp;CRefCount::NullPtrInfo;
00247         <a class="code" href="classNLMISC_1_1CRefPtr.html#o1">Ptr</a>= NULL;
00248 
00249         <font class="comment">// Then delete the pointer.</font>
00250         <font class="keywordflow">if</font>(ptr)
00251                 <font class="keyword">delete</font> ptr;
00252 }
00253 
00254 
00255 <font class="comment">// ***************************************************************************</font>
00256 <font class="comment">// Cast.</font>
<a name="l00257"></a><a class="code" href="classNLMISC_1_1CRefPtr.html#a4">00257</a> <font class="keyword">template</font> &lt;<font class="keyword">class</font> T&gt; <font class="keyword">inline</font> CRefPtr&lt;T&gt;::operator T*()<font class="keyword">     const </font>
00258 <font class="keyword"></font>{
00259         <a class="code" href="smart__ptr_8h.html#a1">REF_TRACE</a>(<font class="stringliteral">"SmartCast T*()"</font>);
00260 
00261         <font class="comment">// Refresh Ptr.</font>
00262         <a class="code" href="classNLMISC_1_1CRefPtr.html#o1">Ptr</a>= (T*)<a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>-&gt;Ptr;
00263         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CRefPtr.html#o1">Ptr</a>;
00264 }
00265 
00266 
00267 <font class="comment">// ***************************************************************************</font>
00268 <font class="comment">// Operators.</font>
<a name="l00269"></a><a class="code" href="classNLMISC_1_1CRefPtr.html#a5">00269</a> <font class="keyword">template</font> &lt;<font class="keyword">class</font> T&gt; <font class="keyword">inline</font> T&amp; CRefPtr&lt;T&gt;::operator*(<font class="keywordtype">void</font>)  <font class="keyword">const</font>
00270 { 
00271         <a class="code" href="smart__ptr_8h.html#a1">REF_TRACE</a>(<font class="stringliteral">"Smart *()"</font>);
00272         <font class="keywordflow">return</font> *Ptr; 
00273 }
<a name="l00274"></a><a class="code" href="classNLMISC_1_1CRefPtr.html#a6">00274</a> <font class="keyword">template</font> &lt;<font class="keyword">class</font> T&gt; <font class="keyword">inline</font> T* CRefPtr&lt;T&gt;::operator-&gt;(<font class="keywordtype">void</font>)<font class="keyword"> const</font>
00275 <font class="keyword"></font>{ 
00276         <a class="code" href="smart__ptr_8h.html#a1">REF_TRACE</a>(<font class="stringliteral">"Smart -&gt;()"</font>);
00277         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CRefPtr.html#o1">Ptr</a>;  
00278 }
00279 
00280 
00281 <font class="comment">// ***************************************************************************</font>
00282 <font class="preprocessor">#undef  SMART_INLINE</font>
00283 <font class="preprocessor"></font>
00284 
00285 
00286 } <font class="comment">// NLMISC</font>
00287 
00288 
00289 <font class="preprocessor">#endif // NL_SMARTPTR_INLINE_H</font>
00290 <font class="preprocessor"></font>
</pre></div>

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