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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>object_vector.h</h1><a href="object__vector_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 +00007 <font class="comment">/* Copyright, 2001 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 <font class="preprocessor">#ifndef NL_OBJECT_VECTOR_H</font> +00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_OBJECT_VECTOR_H</font> +00028 <font class="preprocessor"></font> +00029 <font class="preprocessor">#include "<a class="code" href="types__nl_8h.html">nel/misc/types_nl.h</a>"</font> +00030 <font class="preprocessor">#include "<a class="code" href="common_8h.html">nel/misc/common.h</a>"</font> +00031 <font class="preprocessor">#include "<a class="code" href="stream_8h.html">nel/misc/stream.h</a>"</font> +00032 <font class="preprocessor">#include "<a class="code" href="debug_8h.html">nel/misc/debug.h</a>"</font> +00033 +00034 +00035 <font class="keyword">namespace </font>NLMISC { +00036 +00037 +00038 <font class="comment">// ***************************************************************************</font> +<a name="l00042"></a><a class="code" href="structNLMISC_1_1EReallocationFailed.html">00042</a> <font class="comment"></font><font class="keyword">struct </font>EReallocationFailed : <font class="keyword">public</font> Exception +00043 { +<a name="l00044"></a><a class="code" href="structNLMISC_1_1EReallocationFailed.html#a0">00044</a> <a class="code" href="structNLMISC_1_1EReallocationFailed.html#a0">EReallocationFailed</a>() : <a class="code" href="classNLMISC_1_1Exception.html#a0">Exception</a>( "Can'<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> reallocate memory" ) {} +00045 }; +00046 +00047 +00048 <font class="comment">// ***************************************************************************</font> +<a name="l00071"></a><a class="code" href="classNLMISC_1_1CObjectVector.html">00071</a> <font class="comment"></font><font class="keyword">template</font><<font class="keyword">class</font> T, <font class="keywordtype">bool</font> EnableObjectBehavior=true> <font class="keyword">class </font>CObjectVector +00072 { +00073 <font class="keyword">public</font>: +00074 +00076 <font class="comment">// @{</font> +<a name="l00077"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#z300_0">00077</a> <a class="code" href="classNLMISC_1_1CObjectVector.html#z300_0">CObjectVector</a>() +00078 { +00079 <a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>= NULL; +00080 <a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>= 0; +00081 } +<a name="l00082"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#z300_1">00082</a> <a class="code" href="classNLMISC_1_1CObjectVector.html#z300_1">~CObjectVector</a>() +00083 { +00084 <a class="code" href="classNLMISC_1_1CObjectVector.html#z301_0">clear</a>(); +00085 } +<a name="l00089"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#z300_2">00089</a> <a class="code" href="classNLMISC_1_1CObjectVector.html#z300_0">CObjectVector</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CObjectVector.html#z300_0">CObjectVector</a> &vec) +00090 { +00091 <a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>= NULL; +00092 <a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>= 0; +00093 <a class="code" href="classNLMISC_1_1CObjectVector.html#z300_3">operator=</a>(vec); +00094 } +<a name="l00098"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#z300_3">00098</a> <a class="code" href="classNLMISC_1_1CObjectVector.html#z300_0">CObjectVector</a> &<a class="code" href="classNLMISC_1_1CObjectVector.html#z300_3">operator=</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CObjectVector.html#z300_0">CObjectVector</a> &vec) +00099 { +00100 <font class="comment">// *this=*this mgt.</font> +00101 <font class="keywordflow">if</font>(<font class="keyword">this</font>==&vec) +00102 <font class="keywordflow">return</font> *<font class="keyword">this</font>; +00103 <font class="comment">// resize to the same size as vec.</font> +00104 <a class="code" href="classNLMISC_1_1CObjectVector.html#z301_1">resize</a>(vec._Size); +00105 <font class="comment">// copy All the array.</font> +00106 <a class="code" href="classNLMISC_1_1CObjectVector.html#z303_0">copy</a>(0, <a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>, vec._Ptr); +00107 +00108 <font class="keywordflow">return</font> *<font class="keyword">this</font>; +00109 } +00110 <font class="comment">// @}</font> +00111 +00112 +00114 <font class="comment">// @{</font> +00115 +<a name="l00118"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#z301_0">00118</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CObjectVector.html#z301_0">clear</a>() +00119 { +00120 <a class="code" href="classNLMISC_1_1CObjectVector.html#c1">destruct</a>(0, <a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>); +00121 free(<a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>); +00122 <a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>= NULL; +00123 <a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>= 0; +00124 } +00125 +<a name="l00131"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#z301_1">00131</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CObjectVector.html#z301_1">resize</a>(uint32 <a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>) +00132 { +00133 <font class="comment">// if same size, no-op.</font> +00134 <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>==<a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>) +00135 <font class="keywordflow">return</font>; +00136 +00137 <font class="comment">// if empty, just clear.</font> +00138 <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>==0) +00139 <a class="code" href="classNLMISC_1_1CObjectVector.html#z301_0">clear</a>(); +00140 <font class="comment">// crop the array?</font> +00141 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a><<a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>) +00142 { +00143 <font class="comment">// destruct the objects to be freed</font> +00144 <a class="code" href="classNLMISC_1_1CObjectVector.html#c1">destruct</a>(<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>, <a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>); +00145 <font class="comment">// realloc</font> +00146 <a class="code" href="classNLMISC_1_1CObjectVector.html#c0">myRealloc</a>(<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>); +00147 <a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>= <a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>; +00148 } +00149 <font class="comment">// else, enlarge the array</font> +00150 <font class="keywordflow">else</font> +00151 { +00152 <font class="comment">// realloc first</font> +00153 <a class="code" href="classNLMISC_1_1CObjectVector.html#c0">myRealloc</a>(<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>); +00154 <font class="comment">// For all new elements, construct them.</font> +00155 <a class="code" href="classNLMISC_1_1CObjectVector.html#c2">construct</a>(<a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>, <a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>); +00156 <font class="comment">// change size.</font> +00157 <a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>= <a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>; +00158 } +00159 } +00160 +00161 <font class="comment">// @}</font> +00162 +00163 +00165 <font class="comment">// @{</font> +00166 +<a name="l00169"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">00169</a> uint32 <a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>;} +00170 +<a name="l00173"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#z302_1">00173</a> T &<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_1">operator[]</a>(uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>)<font class="keyword"> const</font> +00174 <font class="keyword"> </font>{ +00175 <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>]; +00176 } +00177 +<a name="l00180"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#z302_2">00180</a> T *<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_2">getPtr</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>;} +00181 +00182 <font class="comment">// @}</font> +00183 +00184 +00186 <font class="comment">// @{</font> +00187 +<a name="l00191"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#z303_0">00191</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CObjectVector.html#z303_0">copy</a>(uint32 dstFirst, uint32 dstLast, <font class="keyword">const</font> T *srcPtr) +00192 { +00193 <font class="comment">// test if something to copy.</font> +00194 <font class="keywordflow">if</font>(dstFirst>=dstLast) +00195 <font class="keywordflow">return</font>; +00196 <a class="code" href="debug_8h.html#a6">nlassert</a>(dstLast<=<a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>); +00197 <font class="comment">// if not object elements</font> +00198 <font class="keywordflow">if</font>(!EnableObjectBehavior) +00199 { +00200 <font class="comment">// just memcpy</font> +00201 memcpy(<a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>+dstFirst, srcPtr, (dstLast-dstFirst)*<font class="keyword">sizeof</font>(T)); +00202 } +00203 <font class="keywordflow">else</font> +00204 { +00205 <font class="comment">// call ope= for all elements.</font> +00206 <font class="keywordflow">for</font>(uint i=dstFirst; i<dstLast; i++, srcPtr++) +00207 { +00208 <a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>[i]= *srcPtr; +00209 } +00210 } +00211 } +00212 +00213 +<a name="l00216"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#z303_1">00216</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CObjectVector.html#z303_1">fill</a>(uint32 dstFirst, uint32 dstLast, <font class="keyword">const</font> T &<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>) +00217 { +00218 <font class="comment">// test if something to copy.</font> +00219 <font class="keywordflow">if</font>(dstFirst>=dstLast) +00220 <font class="keywordflow">return</font>; +00221 <a class="code" href="debug_8h.html#a6">nlassert</a>(dstLast<=<a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>); +00222 <font class="comment">// call ope= for all elements.</font> +00223 <font class="keywordflow">for</font>(uint i=dstFirst; i<dstLast; i++) +00224 { +00225 <a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>[i]= <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>; +00226 } +00227 } +00228 +<a name="l00231"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#z303_2">00231</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CObjectVector.html#z303_1">fill</a>(<font class="keyword">const</font> T &<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>) +00232 { +00233 <font class="comment">// call ope= for all elements.</font> +00234 <font class="keywordflow">for</font>(uint i=0; i<<a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>; i++) +00235 { +00236 <a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>[i]= <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>; +00237 } +00238 } +00239 +00240 +00241 +<a name="l00245"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#z303_3">00245</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CObjectVector.html#z303_3">serial</a>(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f) +00246 { +00247 <font class="comment">// Open a node header</font> +00248 f.<a class="code" href="classNLMISC_1_1IStream.html#a39">xmlPushBegin</a> (<font class="stringliteral">"VECTOR"</font>); +00249 +00250 <font class="comment">// Attrib size</font> +00251 f.<a class="code" href="classNLMISC_1_1IStream.html#a42">xmlSetAttrib</a> (<font class="stringliteral">"size"</font>); +00252 +00253 sint32 len=0; +00254 <font class="keywordflow">if</font>(f.<a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>()) +00255 { +00256 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(len); +00257 +00258 <font class="comment">// Open a node header</font> +00259 f.<a class="code" href="classNLMISC_1_1IStream.html#a40">xmlPushEnd</a> (); +00260 +00261 <font class="comment">// special version for vector: adjut good size.</font> +00262 <a class="code" href="namespaceNLMISC.html#a222">contReset</a>(*<font class="keyword">this</font>); +00263 <a class="code" href="classNLMISC_1_1CObjectVector.html#z301_1">resize</a> (len); +00264 +00265 <font class="comment">// Read the vector</font> +00266 <font class="keywordflow">for</font>(sint i=0;i<len;i++) +00267 { +00268 f.<a class="code" href="classNLMISC_1_1IStream.html#a38">xmlPush</a> (<font class="stringliteral">"ELM"</font>); +00269 +00270 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>[i]); +00271 +00272 f.<a class="code" href="classNLMISC_1_1IStream.html#a41">xmlPop</a> (); +00273 } +00274 } +00275 <font class="keywordflow">else</font> +00276 { +00277 len= <a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>(); +00278 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(len); +00279 +00280 <font class="comment">// Close the node header</font> +00281 f.<a class="code" href="classNLMISC_1_1IStream.html#a40">xmlPushEnd</a> (); +00282 +00283 <font class="comment">// Write the vector</font> +00284 <font class="keywordflow">for</font>(sint i=0;i<len;i++) +00285 { +00286 f.<a class="code" href="classNLMISC_1_1IStream.html#a38">xmlPush</a> (<font class="stringliteral">"ELM"</font>); +00287 +00288 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>[i]); +00289 +00290 f.<a class="code" href="classNLMISC_1_1IStream.html#a41">xmlPop</a> (); +00291 } +00292 } +00293 +00294 <font class="comment">// Close the node</font> +00295 f.<a class="code" href="classNLMISC_1_1IStream.html#a41">xmlPop</a> (); +00296 } +00297 +00298 <font class="comment">// @}</font> +00299 +00300 +00301 +00302 <font class="comment">// *******************</font> +00303 <font class="keyword">private</font>: +00304 +<a name="l00306"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#o0">00306</a> T *<a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>; +<a name="l00308"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#o1">00308</a> uint32 <a class="code" href="classNLMISC_1_1CObjectVector.html#o1">_Size</a>; +00309 +00310 +00311 <font class="keyword">private</font>: +00312 <font class="comment">// realloc, and manage allocation failure. Don't modify _Size.</font> +<a name="l00313"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#c0">00313</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CObjectVector.html#c0">myRealloc</a>(uint32 <a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>) +00314 { +00315 <font class="comment">// try to realloc the array.</font> +00316 T *newPtr= (T*)realloc(<a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>, <a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>*<font class="keyword">sizeof</font>(T)); +00317 <font class="comment">// if realloc failure</font> +00318 <font class="keywordflow">if</font>(newPtr==NULL) +00319 { +00320 <font class="comment">// leave the array in a clean state.</font> +00321 <a class="code" href="classNLMISC_1_1CObjectVector.html#z301_0">clear</a>(); +00322 <font class="comment">// exception.</font> +00323 <font class="keywordflow">throw</font> EReallocationFailed(); +00324 } +00325 <font class="keywordflow">else</font> +00326 { +00327 <a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>= newPtr; +00328 } +00329 } +00330 +00331 <font class="comment">// For all elements in the range, destruct.</font> +<a name="l00332"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#c1">00332</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CObjectVector.html#c1">destruct</a>(uint32 i0, uint32 i1) +00333 { +00334 <font class="comment">// don't do it if elements don't need it.</font> +00335 <font class="keywordflow">if</font>(!EnableObjectBehavior) +00336 <font class="keywordflow">return</font>; +00337 <font class="comment">// for all elements</font> +00338 <font class="keywordflow">for</font>(uint i=i0;i<i1;i++) +00339 { +00340 <font class="comment">// call dtor.</font> +00341 <a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>[i].~T(); +00342 } +00343 } +00344 +00345 <font class="comment">// For all elements in the range, construct.</font> +<a name="l00346"></a><a class="code" href="classNLMISC_1_1CObjectVector.html#c2">00346</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CObjectVector.html#c2">construct</a>(uint32 i0, uint32 i1) +00347 { +00348 <font class="comment">// don't do it if elements don't need it.</font> +00349 <font class="keywordflow">if</font>(!EnableObjectBehavior) +00350 <font class="keywordflow">return</font>; +00351 <font class="comment">// for all elements</font> +00352 <font class="keywordflow">for</font>(uint i=i0;i<i1;i++) +00353 { +00354 <font class="comment">// Must do a placement new</font> +00355 <font class="preprocessor">#undef new</font> +00356 <font class="preprocessor"></font> <font class="comment">// call ctor.</font> +00357 <font class="keyword">new</font> (<a class="code" href="classNLMISC_1_1CObjectVector.html#o0">_Ptr</a>+i) T; +00358 <font class="comment">// Must do a placement new</font> +00359 <font class="preprocessor">#define new NL_NEW</font> +00360 <font class="preprocessor"></font> } +00361 } +00362 +00363 }; +00364 +00365 +00366 } <font class="comment">// NLMISC</font> +00367 +00368 +00369 <font class="preprocessor">#endif // NL_OBJECT_VECTOR_H</font> +00370 <font class="preprocessor"></font> +00371 <font class="comment">/* End of object_vector.h */</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> |