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<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="namespacemembers.html">Namespace Members</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" doxygen="_cgi:/cgi-bin/nel-search.cgi" href="/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>
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