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<h1>ucommon/generics.h</h1><a href="a00186.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (C) 2006-2010 David Sugar, Tycho Softworks.</span>
<a name="l00002"></a>00002 <span class="comment">//</span>
<a name="l00003"></a>00003 <span class="comment">// This file is part of GNU uCommon C++.</span>
<a name="l00004"></a>00004 <span class="comment">//</span>
<a name="l00005"></a>00005 <span class="comment">// GNU uCommon C++ is free software: you can redistribute it and/or modify</span>
<a name="l00006"></a>00006 <span class="comment">// it under the terms of the GNU Lesser General Public License as published</span>
<a name="l00007"></a>00007 <span class="comment">// by the Free Software Foundation, either version 3 of the License, or</span>
<a name="l00008"></a>00008 <span class="comment">// (at your option) any later version.</span>
<a name="l00009"></a>00009 <span class="comment">//</span>
<a name="l00010"></a>00010 <span class="comment">// GNU uCommon C++ is distributed in the hope that it will be useful,</span>
<a name="l00011"></a>00011 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00013"></a>00013 <span class="comment">// GNU Lesser General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment">//</span>
<a name="l00015"></a>00015 <span class="comment">// You should have received a copy of the GNU Lesser General Public License</span>
<a name="l00016"></a>00016 <span class="comment">// along with GNU uCommon C++. If not, see <http://www.gnu.org/licenses/>.</span>
<a name="l00017"></a>00017
<a name="l00024"></a>00024 <span class="preprocessor">#ifndef _UCOMMON_GENERICS_H_</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#define _UCOMMON_GENERICS_H_</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span>
<a name="l00027"></a>00027 <span class="preprocessor">#ifndef _UCOMMON_CONFIG_H_</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor">#include <<a class="code" href="a00194.html" title="Various miscellaneous platform specific headers and defines.">ucommon/platform.h</a>></span>
<a name="l00029"></a>00029 <span class="preprocessor">#endif</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <<a class="code" href="a00201.html" title="A common string class and character string support functions.">string.h</a>></span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="preprocessor">#ifdef NEW_STDLIB</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#include <stdexcept></span>
<a name="l00036"></a>00036 <span class="preprocessor">#endif</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span>
<a name="l00038"></a>00038 <span class="preprocessor">#if defined(NEW_STDLIB) || defined(OLD_STDLIB)</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span><span class="preprocessor">#define THROW(x) throw x</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor">#define THROWS(x) throw(x)</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#define THROWS_ANY throw()</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#define THROW(x) ::abort()</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span><span class="preprocessor">#define THROWS(x)</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span><span class="preprocessor">#define THROWS_ANY</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span>
<a name="l00048"></a>00048 NAMESPACE_UCOMMON
<a name="l00049"></a>00049
<a name="l00055"></a>00055 <span class="keyword">template</span> <<span class="keyword">typename</span> T>
<a name="l00056"></a><a class="code" href="a00110.html">00056</a> <span class="keyword">class </span><a class="code" href="a00110.html" title="Generic smart pointer class.">pointer</a>
<a name="l00057"></a>00057 {
<a name="l00058"></a>00058 <span class="keyword">protected</span>:
<a name="l00059"></a>00059 <span class="keywordtype">unsigned</span> *<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>;
<a name="l00060"></a>00060 T *object;
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keyword">public</span>:
<a name="l00063"></a>00063 <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a00208.html#a8df8e4b667d68be02961ff0d4cd84224" title="Convenience function to unlock shared object through it&#39;s protocol.">release</a>(<span class="keywordtype">void</span>) {
<a name="l00064"></a>00064 <span class="keywordflow">if</span>(<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> && --(*<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>)==0) {
<a name="l00065"></a>00065 <span class="keyword">delete</span> <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>;
<a name="l00066"></a>00066 <span class="keyword">delete</span> object;
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068 <span class="keywordtype">object</span> = NULL;
<a name="l00069"></a>00069 <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = NULL;
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a00208.html#a7e79ccf82d8397085e6eecf36edeecc7" title="Convenience function to access object retention.">retain</a>(<span class="keywordtype">void</span>) {
<a name="l00073"></a>00073 <span class="keywordflow">if</span>(<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>)
<a name="l00074"></a>00074 ++*<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>;
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keyword">inline</span> <span class="keywordtype">void</span> <span class="keyword">set</span>(T* ptr) {
<a name="l00078"></a>00078 <span class="keywordflow">if</span>(<span class="keywordtype">object</span> != ptr) {
<a name="l00079"></a>00079 <a class="code" href="a00208.html#a8df8e4b667d68be02961ff0d4cd84224" title="Convenience function to unlock shared object through it&#39;s protocol.">release</a>();
<a name="l00080"></a>00080 <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = <span class="keyword">new</span> unsigned;
<a name="l00081"></a>00081 *<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = 1;
<a name="l00082"></a>00082 <span class="keywordtype">object</span> = ptr;
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keyword">inline</span> <span class="keywordtype">void</span> <span class="keyword">set</span>(<span class="keyword">const</span> <a class="code" href="a00110.html" title="Generic smart pointer class.">pointer<T></a> &ref) {
<a name="l00087"></a>00087 <span class="keywordflow">if</span>(<span class="keywordtype">object</span> == ref.object)
<a name="l00088"></a>00088 <span class="keywordflow">return</span>;
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="keywordflow">if</span>(<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> && --(*<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>)==0) {
<a name="l00091"></a>00091 <span class="keyword">delete</span> <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>;
<a name="l00092"></a>00092 <span class="keyword">delete</span> object;
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094 <span class="keywordtype">object</span> = ref.object;
<a name="l00095"></a>00095 <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = ref.counter;
<a name="l00096"></a>00096 <span class="keywordflow">if</span>(<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>)
<a name="l00097"></a>00097 ++(*counter);
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keyword">inline</span> <a class="code" href="a00110.html" title="Generic smart pointer class.">pointer</a>() {
<a name="l00101"></a>00101 <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = NULL;
<a name="l00102"></a>00102 <span class="keywordtype">object</span> = NULL;
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keyword">inline</span> <span class="keyword">explicit</span> <a class="code" href="a00110.html" title="Generic smart pointer class.">pointer</a>(T* ptr = NULL) : object(ptr) {
<a name="l00106"></a>00106 <span class="keywordflow">if</span>(<span class="keywordtype">object</span>) {
<a name="l00107"></a>00107 <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = <span class="keyword">new</span> unsigned;
<a name="l00108"></a>00108 *<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = 1;
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110 <span class="keywordflow">else</span>
<a name="l00111"></a>00111 <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = NULL;
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keyword">inline</span> <a class="code" href="a00110.html" title="Generic smart pointer class.">pointer</a>(<span class="keyword">const</span> <a class="code" href="a00110.html" title="Generic smart pointer class.">pointer<T></a> &ref) {
<a name="l00115"></a>00115 <span class="keywordtype">object</span> = ref.object;
<a name="l00116"></a>00116 <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = ref.counter;
<a name="l00117"></a>00117 <span class="keywordflow">if</span>(<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>)
<a name="l00118"></a>00118 ++(*counter);
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keyword">inline</span> <a class="code" href="a00110.html" title="Generic smart pointer class.">pointer</a>& operator=(<span class="keyword">const</span> <a class="code" href="a00110.html" title="Generic smart pointer class.">pointer<T></a> &ref) {
<a name="l00122"></a>00122 this-><span class="keyword">set</span>(ref);
<a name="l00123"></a>00123 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="keyword">inline</span> <a class="code" href="a00110.html" title="Generic smart pointer class.">pointer</a>& operator=(T *ptr) {
<a name="l00127"></a>00127 this-><span class="keyword">set</span>(ptr);
<a name="l00128"></a>00128 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="keyword">inline</span> ~<a class="code" href="a00110.html" title="Generic smart pointer class.">pointer</a>()
<a name="l00132"></a>00132 {<a class="code" href="a00208.html#a8df8e4b667d68be02961ff0d4cd84224" title="Convenience function to unlock shared object through it&#39;s protocol.">release</a>();}
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="keyword">inline</span> T& operator*()<span class="keyword"> const</span>
<a name="l00135"></a>00135 <span class="keyword"> </span>{<span class="keywordflow">return</span> *object;};
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="keyword">inline</span> T* operator->()<span class="keyword"> const</span>
<a name="l00138"></a>00138 <span class="keyword"> </span>{<span class="keywordflow">return</span> object;};
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator!()<span class="keyword"> const</span>
<a name="l00141"></a>00141 <span class="keyword"> </span>{<span class="keywordflow">return</span> (<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> == NULL);};
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="keyword">inline</span> operator bool()<span class="keyword"> const</span>
<a name="l00144"></a>00144 <span class="keyword"> </span>{<span class="keywordflow">return</span> <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> != NULL;};
<a name="l00145"></a>00145 };
<a name="l00146"></a>00146
<a name="l00152"></a>00152 <span class="keyword">template</span> <<span class="keyword">typename</span> T>
<a name="l00153"></a><a class="code" href="a00014.html">00153</a> <span class="keyword">class </span><a class="code" href="a00014.html" title="Generic smart array class.">array_pointer</a>
<a name="l00154"></a>00154 {
<a name="l00155"></a>00155 <span class="keyword">protected</span>:
<a name="l00156"></a>00156 <span class="keywordtype">unsigned</span> *<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>;
<a name="l00157"></a>00157 T *array;
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="keyword">public</span>:
<a name="l00160"></a>00160 <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a00208.html#a8df8e4b667d68be02961ff0d4cd84224" title="Convenience function to unlock shared object through it&#39;s protocol.">release</a>(<span class="keywordtype">void</span>) {
<a name="l00161"></a>00161 <span class="keywordflow">if</span>(<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> && --(*<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>)==0) {
<a name="l00162"></a>00162 <span class="keyword">delete</span> <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>;
<a name="l00163"></a>00163 <span class="keyword">delete</span>[] array;
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165 array = NULL;
<a name="l00166"></a>00166 <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = NULL;
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a00208.html#a7e79ccf82d8397085e6eecf36edeecc7" title="Convenience function to access object retention.">retain</a>(<span class="keywordtype">void</span>) {
<a name="l00170"></a>00170 <span class="keywordflow">if</span>(<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>)
<a name="l00171"></a>00171 ++*<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>;
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="keyword">inline</span> <span class="keywordtype">void</span> <span class="keyword">set</span>(T* ptr) {
<a name="l00175"></a>00175 <span class="keywordflow">if</span>(array != ptr) {
<a name="l00176"></a>00176 <a class="code" href="a00208.html#a8df8e4b667d68be02961ff0d4cd84224" title="Convenience function to unlock shared object through it&#39;s protocol.">release</a>();
<a name="l00177"></a>00177 <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = <span class="keyword">new</span> unsigned;
<a name="l00178"></a>00178 *<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = 1;
<a name="l00179"></a>00179 array = ptr;
<a name="l00180"></a>00180 }
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182
<a name="l00183"></a>00183 <span class="keyword">inline</span> <span class="keywordtype">void</span> <span class="keyword">set</span>(<span class="keyword">const</span> <a class="code" href="a00014.html" title="Generic smart array class.">array_pointer<T></a> &ref) {
<a name="l00184"></a>00184 <span class="keywordflow">if</span>(array == ref.array)
<a name="l00185"></a>00185 <span class="keywordflow">return</span>;
<a name="l00186"></a>00186
<a name="l00187"></a>00187 <span class="keywordflow">if</span>(<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> && --(*<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>)==0) {
<a name="l00188"></a>00188 <span class="keyword">delete</span> <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>;
<a name="l00189"></a>00189 <span class="keyword">delete</span>[] array;
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191 array = ref.array;
<a name="l00192"></a>00192 <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = ref.counter;
<a name="l00193"></a>00193 <span class="keywordflow">if</span>(<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>)
<a name="l00194"></a>00194 ++(*counter);
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="keyword">inline</span> <a class="code" href="a00014.html" title="Generic smart array class.">array_pointer</a>() {
<a name="l00198"></a>00198 <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = NULL;
<a name="l00199"></a>00199 array = NULL;
<a name="l00200"></a>00200 }
<a name="l00201"></a>00201
<a name="l00202"></a>00202 <span class="keyword">inline</span> <span class="keyword">explicit</span> <a class="code" href="a00014.html" title="Generic smart array class.">array_pointer</a>(T* ptr = NULL) : array(ptr) {
<a name="l00203"></a>00203 <span class="keywordflow">if</span>(array) {
<a name="l00204"></a>00204 <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = <span class="keyword">new</span> unsigned;
<a name="l00205"></a>00205 *<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = 1;
<a name="l00206"></a>00206 }
<a name="l00207"></a>00207 <span class="keywordflow">else</span>
<a name="l00208"></a>00208 <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = NULL;
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210
<a name="l00211"></a>00211 <span class="keyword">inline</span> <a class="code" href="a00014.html" title="Generic smart array class.">array_pointer</a>(<span class="keyword">const</span> <a class="code" href="a00014.html" title="Generic smart array class.">array_pointer<T></a> &ref) {
<a name="l00212"></a>00212 array = ref.array;
<a name="l00213"></a>00213 <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> = ref.counter;
<a name="l00214"></a>00214 <span class="keywordflow">if</span>(<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a>)
<a name="l00215"></a>00215 ++(*counter);
<a name="l00216"></a>00216 }
<a name="l00217"></a>00217
<a name="l00218"></a>00218 <span class="keyword">inline</span> <a class="code" href="a00014.html" title="Generic smart array class.">array_pointer</a>& operator=(<span class="keyword">const</span> <a class="code" href="a00014.html" title="Generic smart array class.">array_pointer<T></a> &ref) {
<a name="l00219"></a>00219 this-><span class="keyword">set</span>(ref);
<a name="l00220"></a>00220 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00221"></a>00221 }
<a name="l00222"></a>00222
<a name="l00223"></a>00223 <span class="keyword">inline</span> <a class="code" href="a00014.html" title="Generic smart array class.">array_pointer</a>& operator=(T *ptr) {
<a name="l00224"></a>00224 this-><span class="keyword">set</span>(ptr);
<a name="l00225"></a>00225 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227
<a name="l00228"></a>00228 <span class="keyword">inline</span> ~<a class="code" href="a00014.html" title="Generic smart array class.">array_pointer</a>()
<a name="l00229"></a>00229 {<a class="code" href="a00208.html#a8df8e4b667d68be02961ff0d4cd84224" title="Convenience function to unlock shared object through it&#39;s protocol.">release</a>();}
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="keyword">inline</span> T* operator*()<span class="keyword"> const</span>
<a name="l00232"></a>00232 <span class="keyword"> </span>{<span class="keywordflow">return</span> array;};
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <span class="keyword">inline</span> T& operator[](<span class="keywordtype">size_t</span> offset)<span class="keyword"> const</span>
<a name="l00235"></a>00235 <span class="keyword"> </span>{<span class="keywordflow">return</span> array[offset];};
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <span class="keyword">inline</span> T* operator()(<span class="keywordtype">size_t</span> offset)<span class="keyword"> const</span>
<a name="l00238"></a>00238 <span class="keyword"> </span>{<span class="keywordflow">return</span> &array[offset];};
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator!()<span class="keyword"> const</span>
<a name="l00241"></a>00241 <span class="keyword"> </span>{<span class="keywordflow">return</span> (<a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> == NULL);};
<a name="l00242"></a>00242
<a name="l00243"></a>00243 <span class="keyword">inline</span> operator bool()<span class="keyword"> const</span>
<a name="l00244"></a>00244 <span class="keyword"> </span>{<span class="keywordflow">return</span> <a class="code" href="a00040.html" title="Automatic integer counting class.">counter</a> != NULL;};
<a name="l00245"></a>00245 };
<a name="l00246"></a>00246
<a name="l00258"></a>00258 <span class="keyword">template</span> <<span class="keyword">typename</span> T>
<a name="l00259"></a><a class="code" href="a00155.html">00259</a> <span class="keyword">class </span><a class="code" href="a00155.html" title="Manage temporary object stored on the heap.">temporary</a>
<a name="l00260"></a>00260 {
<a name="l00261"></a>00261 <span class="keyword">protected</span>:
<a name="l00262"></a>00262 T *object;
<a name="l00263"></a>00263 <span class="keyword">public</span>:
<a name="l00267"></a><a class="code" href="a00155.html#a55cd666363d8963455cf205d2f4d26ca">00267</a> <span class="keyword">inline</span> <a class="code" href="a00155.html" title="Manage temporary object stored on the heap.">temporary</a>()
<a name="l00268"></a>00268 {<span class="keywordtype">object</span> = NULL;};
<a name="l00269"></a>00269
<a name="l00273"></a><a class="code" href="a00155.html#acf66edd59b139a33427c9e34c89b93e9">00273</a> <a class="code" href="a00155.html" title="Manage temporary object stored on the heap.">temporary</a>(<span class="keyword">const</span> <a class="code" href="a00155.html" title="Manage temporary object stored on the heap.">temporary<T></a>&)
<a name="l00274"></a>00274 {::abort();};
<a name="l00275"></a>00275
<a name="l00279"></a><a class="code" href="a00155.html#acaad3a23a759fc8a35e52a5d51956d17">00279</a> <span class="keyword">inline</span> <a class="code" href="a00155.html" title="Manage temporary object stored on the heap.">temporary</a>(T *ptr)
<a name="l00280"></a>00280 {<span class="keywordtype">object</span> = ptr;};
<a name="l00281"></a>00281
<a name="l00288"></a><a class="code" href="a00155.html#a92c3cbca819491e215a728741bc62f5b">00288</a> <span class="keyword">inline</span> T& <a class="code" href="a00155.html#a92c3cbca819491e215a728741bc62f5b" title="Assign a temporary object.">operator=</a>(T *temp) {
<a name="l00289"></a>00289 <span class="keywordflow">if</span>(<span class="keywordtype">object</span>)
<a name="l00290"></a>00290 <span class="keyword">delete</span> object;
<a name="l00291"></a>00291 <span class="keywordtype">object</span> = temp;
<a name="l00292"></a>00292 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00293"></a>00293 }
<a name="l00294"></a>00294
<a name="l00301"></a><a class="code" href="a00155.html#a29f9a146bed8bf30f4098615ccfad0a6">00301</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <span class="keyword">set</span>(T *temp) {
<a name="l00302"></a>00302 <span class="keywordflow">if</span>(<span class="keywordtype">object</span>)
<a name="l00303"></a>00303 <span class="keyword">delete</span> object;
<a name="l00304"></a>00304 <span class="keywordtype">object</span> = temp;
<a name="l00305"></a>00305 }
<a name="l00306"></a>00306
<a name="l00311"></a><a class="code" href="a00155.html#a93a5d5cd1c1fbaeab2fea43c008044ae">00311</a> <span class="keyword">inline</span> T& operator*()<span class="keyword"> const</span>
<a name="l00312"></a>00312 <span class="keyword"> </span>{<span class="keywordflow">return</span> *object;};
<a name="l00313"></a>00313
<a name="l00318"></a><a class="code" href="a00155.html#a7c6c219982b9483f2980d0a5067709fb">00318</a> <span class="keyword">inline</span> T* operator->()<span class="keyword"> const</span>
<a name="l00319"></a>00319 <span class="keyword"> </span>{<span class="keywordflow">return</span> object;};
<a name="l00320"></a>00320
<a name="l00321"></a>00321 <span class="keyword">inline</span> operator bool()<span class="keyword"> const</span>
<a name="l00322"></a>00322 <span class="keyword"> </span>{<span class="keywordflow">return</span> <span class="keywordtype">object</span> != NULL;};
<a name="l00323"></a>00323
<a name="l00324"></a>00324 <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator!()<span class="keyword"> const</span>
<a name="l00325"></a>00325 <span class="keyword"> </span>{<span class="keywordflow">return</span> <span class="keywordtype">object</span> == NULL;};
<a name="l00326"></a>00326
<a name="l00327"></a>00327 <span class="keyword">inline</span> ~temporary() {
<a name="l00328"></a>00328 <span class="keywordflow">if</span>(<span class="keywordtype">object</span>)
<a name="l00329"></a>00329 <span class="keyword">delete</span> object;
<a name="l00330"></a>00330 <span class="keywordtype">object</span> = NULL;
<a name="l00331"></a>00331 }
<a name="l00332"></a>00332 };
<a name="l00333"></a>00333
<a name="l00345"></a>00345 <span class="keyword">template</span> <<span class="keyword">typename</span> T>
<a name="l00346"></a><a class="code" href="a00154.html">00346</a> <span class="keyword">class </span><a class="code" href="a00154.html" title="Manage temporary array stored on the heap.">temp_array</a>
<a name="l00347"></a>00347 {
<a name="l00348"></a>00348 <span class="keyword">protected</span>:
<a name="l00349"></a>00349 T *array;
<a name="l00350"></a>00350 <span class="keywordtype">size_t</span> size;
<a name="l00351"></a>00351
<a name="l00352"></a>00352 <span class="keyword">public</span>:
<a name="l00356"></a><a class="code" href="a00154.html#a571f59d86078508ba9117e662b162ea8">00356</a> <span class="keyword">inline</span> <a class="code" href="a00154.html" title="Manage temporary array stored on the heap.">temp_array</a>(<span class="keywordtype">size_t</span> s)
<a name="l00357"></a>00357 {array = <span class="keyword">new</span> T[s]; size = s;};
<a name="l00358"></a>00358
<a name="l00363"></a><a class="code" href="a00154.html#a477cb38527e00a9d9455224ae880cb77">00363</a> <span class="keyword">inline</span> <a class="code" href="a00154.html#a477cb38527e00a9d9455224ae880cb77" title="Construct a temporary object with a copy of some initial value.">temp_array</a>(<span class="keyword">const</span> T& initial, <span class="keywordtype">size_t</span> s) {
<a name="l00364"></a>00364 array = <span class="keyword">new</span> T[s];
<a name="l00365"></a>00365 size = s;
<a name="l00366"></a>00366 <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> p = 0; p < s; ++p)
<a name="l00367"></a>00367 array[p] = initial;
<a name="l00368"></a>00368 }
<a name="l00369"></a>00369
<a name="l00370"></a>00370 <span class="keyword">inline</span> <span class="keywordtype">void</span> reset(<span class="keywordtype">size_t</span> s)
<a name="l00371"></a>00371 {<span class="keyword">delete</span>[] array; array = <span class="keyword">new</span> T[s]; size = s;};
<a name="l00372"></a>00372
<a name="l00373"></a>00373 <span class="keyword">inline</span> <span class="keywordtype">void</span> reset(<span class="keyword">const</span> T& initial, <span class="keywordtype">size_t</span> s) {
<a name="l00374"></a>00374 <span class="keywordflow">if</span>(array)
<a name="l00375"></a>00375 <span class="keyword">delete</span>[] array;
<a name="l00376"></a>00376 array = <span class="keyword">new</span> T[s];
<a name="l00377"></a>00377 size = s;
<a name="l00378"></a>00378 <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> p = 0; p < s; ++p)
<a name="l00379"></a>00379 array[p] = initial;
<a name="l00380"></a>00380 }
<a name="l00381"></a>00381
<a name="l00382"></a>00382 <span class="keyword">inline</span> <span class="keywordtype">void</span> <span class="keyword">set</span>(<span class="keyword">const</span> T& initial) {
<a name="l00383"></a>00383 <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> p = 0; p < size; ++p)
<a name="l00384"></a>00384 array[p] = initial;
<a name="l00385"></a>00385 }
<a name="l00386"></a>00386
<a name="l00390"></a><a class="code" href="a00154.html#a3554fc5ff56da2421b0eabb1f8626e99">00390</a> <a class="code" href="a00154.html" title="Manage temporary array stored on the heap.">temp_array</a>(<span class="keyword">const</span> <a class="code" href="a00154.html" title="Manage temporary array stored on the heap.">temp_array<T></a>&)
<a name="l00391"></a>00391 {::abort();};
<a name="l00392"></a>00392
<a name="l00393"></a>00393 <span class="keyword">inline</span> operator bool()<span class="keyword"> const</span>
<a name="l00394"></a>00394 <span class="keyword"> </span>{<span class="keywordflow">return</span> array != NULL;};
<a name="l00395"></a>00395
<a name="l00396"></a>00396 <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator!()<span class="keyword"> const</span>
<a name="l00397"></a>00397 <span class="keyword"> </span>{<span class="keywordflow">return</span> array == NULL;};
<a name="l00398"></a>00398
<a name="l00399"></a>00399 <span class="keyword">inline</span> ~temp_array() {
<a name="l00400"></a>00400 <span class="keywordflow">if</span>(array)
<a name="l00401"></a>00401 <span class="keyword">delete</span>[] array;
<a name="l00402"></a>00402 array = NULL;
<a name="l00403"></a>00403 size = 0;
<a name="l00404"></a>00404 }
<a name="l00405"></a>00405
<a name="l00406"></a>00406 <span class="keyword">inline</span> T& operator[](<span class="keywordtype">size_t</span> offset)<span class="keyword"> const </span>{
<a name="l00407"></a>00407 crit(offset < size, <span class="stringliteral">"array out of bound"</span>);
<a name="l00408"></a>00408 <span class="keywordflow">return</span> array[offset];
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410
<a name="l00411"></a>00411 <span class="keyword">inline</span> T* operator()(<span class="keywordtype">size_t</span> offset)<span class="keyword"> const </span>{
<a name="l00412"></a>00412 crit(offset < size, <span class="stringliteral">"array out of bound"</span>);
<a name="l00413"></a>00413 <span class="keywordflow">return</span> &array[offset];
<a name="l00414"></a>00414 }
<a name="l00415"></a>00415 };
<a name="l00416"></a>00416
<a name="l00422"></a>00422 <span class="keyword">template</span><<span class="keyword">class</span> T>
<a name="l00423"></a><a class="code" href="a00208.html#acf24ef988438eb342a8a348f19524e37">00423</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="a00208.html#acf24ef988438eb342a8a348f19524e37" title="Convenience function to validate object assuming it is castable to bool.">is</a>(T& <span class="keywordtype">object</span>)
<a name="l00424"></a>00424 {<span class="keywordflow">return</span> <span class="keywordtype">object</span>.operator bool();}
<a name="l00425"></a>00425
<a name="l00432"></a>00432 <span class="keyword">template</span><<span class="keyword">typename</span> T>
<a name="l00433"></a><a class="code" href="a00208.html#a883df5f1ce1dafba2a6a08f6c033f01a">00433</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="a00208.html#a883df5f1ce1dafba2a6a08f6c033f01a" title="Convenience function to test pointer object.">isnull</a>(T& <span class="keywordtype">object</span>)
<a name="l00434"></a>00434 {<span class="keywordflow">return</span> (<span class="keywordtype">bool</span>)(<span class="keywordtype">object</span>.operator*() == NULL);}
<a name="l00435"></a>00435
<a name="l00442"></a>00442 <span class="keyword">template</span><<span class="keyword">typename</span> T>
<a name="l00443"></a><a class="code" href="a00208.html#a3c72b6cc0a23488e17afdf3b241c4ec5">00443</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="a00208.html#a3c72b6cc0a23488e17afdf3b241c4ec5" title="Convenience function to test pointer-pointer object.">isnullp</a>(T *<span class="keywordtype">object</span>)
<a name="l00444"></a>00444 {<span class="keywordflow">return</span> (<span class="keywordtype">bool</span>)(<span class="keywordtype">object</span>->operator*() == NULL);}
<a name="l00445"></a>00445
<a name="l00451"></a>00451 <span class="keyword">template</span><<span class="keyword">typename</span> T>
<a name="l00452"></a><a class="code" href="a00208.html#a8048c8716eafab6b193a59529650db5c">00452</a> <span class="keyword">inline</span> T* <a class="code" href="a00208.html#a8048c8716eafab6b193a59529650db5c" title="Convenience function to duplicate object pointer to heap.">dup</a>(<span class="keyword">const</span> T& <span class="keywordtype">object</span>)
<a name="l00453"></a>00453 {<span class="keywordflow">return</span> <span class="keyword">new</span> T(<span class="keywordtype">object</span>);}
<a name="l00454"></a>00454
<a name="l00455"></a>00455 <span class="keyword">template</span><<span class="keyword">typename</span> T>
<a name="l00456"></a>00456 <span class="keyword">inline</span> <span class="keywordtype">void</span> dupfree(T <span class="keywordtype">object</span>)
<a name="l00457"></a>00457 {<span class="keyword">delete</span> object;}
<a name="l00458"></a>00458
<a name="l00459"></a>00459 <span class="keyword">template</span><>
<a name="l00460"></a>00460 <span class="keyword">inline</span> <span class="keywordtype">char</span> *dup<char>(<span class="keyword">const</span> <span class="keywordtype">char</span>& object)
<a name="l00461"></a>00461 {<span class="keywordflow">return</span> strdup(&<span class="keywordtype">object</span>);}
<a name="l00462"></a>00462
<a name="l00463"></a>00463 <span class="keyword">template</span><>
<a name="l00464"></a>00464 <span class="keyword">inline</span> <span class="keywordtype">void</span> dupfree<char*>(<span class="keywordtype">char</span>* object)
<a name="l00465"></a>00465 {::free(object);}
<a name="l00466"></a>00466
<a name="l00472"></a>00472 <span class="keyword">template</span><<span class="keyword">typename</span> T>
<a name="l00473"></a><a class="code" href="a00208.html#a34c6e62e062c6cae0242ac1f51c09ec7">00473</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a00208.html#a34c6e62e062c6cae0242ac1f51c09ec7" title="Convenience function to swap objects.">swap</a>(T& o1, T& o2)
<a name="l00474"></a>00474 {<a class="code" href="a00194.html#a4880da985609d497e8ddb71652ca1e33" title="Portable swap code.">cpr_memswap</a>(&o1, &o2, <span class="keyword">sizeof</span>(T));}
<a name="l00475"></a>00475
<a name="l00482"></a>00482 <span class="keyword">template</span><<span class="keyword">typename</span> T>
<a name="l00483"></a><a class="code" href="a00208.html#a76c25a471c75550616662fab96eea86b">00483</a> <span class="keyword">inline</span> T& (<a class="code" href="a00208.html#a76c25a471c75550616662fab96eea86b" title="Convenience function to return max of two objects.">max</a>)(T& o1, T& o2)
<a name="l00484"></a>00484 {
<a name="l00485"></a>00485 <span class="keywordflow">return</span> o1 > o2 ? o1 : o2;
<a name="l00486"></a>00486 }
<a name="l00487"></a>00487
<a name="l00494"></a>00494 <span class="keyword">template</span><<span class="keyword">typename</span> T>
<a name="l00495"></a><a class="code" href="a00208.html#a2b368aed93270c8c5f29ee927841bfc3">00495</a> <span class="keyword">inline</span> T& (<a class="code" href="a00208.html#a2b368aed93270c8c5f29ee927841bfc3" title="Convenience function to return min of two objects.">min</a>)(T& o1, T& o2)
<a name="l00496"></a>00496 {
<a name="l00497"></a>00497 <span class="keywordflow">return</span> o1 < o2 ? o1 : o2;
<a name="l00498"></a>00498 }
<a name="l00499"></a>00499
<a name="l00500"></a>00500 END_NAMESPACE
<a name="l00501"></a>00501
<a name="l00502"></a>00502 <span class="preprocessor">#endif</span>
</pre></div></div>
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