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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>-><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>-><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><<font class="keyword">class</font> T>
<a name="l00066"></a><a class="code" href="classNLMISC_1_1CSmartPtr.html#a3">00066</a> <font class="keyword">inline</font> CSmartPtr<T>::~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>->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><<font class="keyword">class</font> T>
<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<T>& CSmartPtr<T>::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->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>->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><<font class="keyword">class</font> T>
<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<T>& CSmartPtr<T>::operator=(<font class="keyword">const</font> CSmartPtr &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><<font class="keyword">class</font> T>
<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<T>::operator<</a>(<font class="keyword">const</font> CSmartPtr &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><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><<font class="keyword">class</font> T>
<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<T>::unRef()<font class="keyword"> const</font>
00119 <font class="keyword"></font>{
00120 <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>->RefCount--;
00121 <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>->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>->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>->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>->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>->Ptr))->pinfo= &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> <<font class="keyword">class</font> T> <font class="keyword">inline</font> CRefPtr<T>::CRefPtr()
00151 {
00152 <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>= &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> <<font class="keyword">class</font> T> <font class="keyword">inline</font> CRefPtr<T>::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>->pinfo->IsNullPtrInfo)
00164 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>->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>->pinfo;
00166 <font class="comment">// v is now used by this.</font>
00167 <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>->RefCount++;
00168 }
00169 <font class="keywordflow">else</font>
00170 <a class="code" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a>= &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> <<font class="keyword">class</font> T> <font class="keyword">inline</font> CRefPtr<T>::CRefPtr(<font class="keyword">const</font> CRefPtr &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>->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>->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> <<font class="keyword">class</font> T> <font class="keyword">inline</font> CRefPtr<T>::~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>= &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> <<font class="keyword">class</font> T> CRefPtr<T> &CRefPtr<T>::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>->pinfo->IsNullPtrInfo)
00203 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>->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>->pinfo->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>->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>= &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> <<font class="keyword">class</font> T> CRefPtr<T> &CRefPtr<T>::operator=(<font class="keyword">const</font> CRefPtr &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->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>->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> <<font class="keyword">class</font> T> <font class="keywordtype">void</font> CRefPtr<T>::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>->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>= &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> <<font class="keyword">class</font> T> <font class="keyword">inline</font> CRefPtr<T>::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>->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> <<font class="keyword">class</font> T> <font class="keyword">inline</font> T& CRefPtr<T>::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> <<font class="keyword">class</font> T> <font class="keyword">inline</font> T* CRefPtr<T>::operator->(<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 ->()"</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>
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