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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<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> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |