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<h1>XMLBigInteger.hpp</h1><a href="XMLBigInteger_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</span>
<a name="l00003"></a>00003 <span class="comment"> * contributor license agreements.  See the NOTICE file distributed with</span>
<a name="l00004"></a>00004 <span class="comment"> * this work for additional information regarding copyright ownership.</span>
<a name="l00005"></a>00005 <span class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</span>
<a name="l00006"></a>00006 <span class="comment"> * (the "License"); you may not use this file except in compliance with</span>
<a name="l00007"></a>00007 <span class="comment"> * the License.  You may obtain a copy of the License at</span>
<a name="l00008"></a>00008 <span class="comment"> * </span>
<a name="l00009"></a>00009 <span class="comment"> *      http://www.apache.org/licenses/LICENSE-2.0</span>
<a name="l00010"></a>00010 <span class="comment"> * </span>
<a name="l00011"></a>00011 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span>
<a name="l00012"></a>00012 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
<a name="l00013"></a>00013 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<a name="l00014"></a>00014 <span class="comment"> * See the License for the specific language governing permissions and</span>
<a name="l00015"></a>00015 <span class="comment"> * limitations under the License.</span>
<a name="l00016"></a>00016 <span class="comment"> */</span>
<a name="l00017"></a>00017 
<a name="l00018"></a>00018 <span class="comment">/*</span>
<a name="l00019"></a>00019 <span class="comment"> * $Id: XMLBigInteger.hpp 568078 2007-08-21 11:43:25Z amassari $</span>
<a name="l00020"></a>00020 <span class="comment"> */</span>
<a name="l00021"></a>00021 
<a name="l00022"></a>00022 <span class="preprocessor">#ifndef XML_BIGINTEGER_HPP</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define XML_BIGINTEGER_HPP</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;<a class="code" href="XMemory_8hpp.html">xercesc/util/XMemory.hpp</a>&gt;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &lt;<a class="code" href="XMLString_8hpp.html">xercesc/util/XMLString.hpp</a>&gt;</span>
<a name="l00027"></a>00027 
<a name="l00028"></a>00028 <a class="code" href="XercesDefs_8hpp.html#43d74fa53d868d978f3e97cbb78b194d">XERCES_CPP_NAMESPACE_BEGIN</a>
<a name="l00029"></a>00029 
<a name="l00030"></a><a class="code" href="classXMLBigInteger.html">00030</a> <span class="keyword">class </span><a class="code" href="XercesDefs_8hpp.html#97a524372e218133a8eb0aca39b4bd21"></a> <a class="code" href="classXMLBigInteger.html">XMLBigInteger</a> : <span class="keyword">public</span> <a class="code" href="classXMemory.html" title="This class makes it possible to override the C++ memory management by adding new/delete...">XMemory</a>
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032 <span class="keyword">public</span>:
<a name="l00033"></a>00033 
<a name="l00047"></a>00047     <a class="code" href="classXMLBigInteger.html">XMLBigInteger</a>
<a name="l00048"></a>00048     (
<a name="l00049"></a>00049         <span class="keyword">const</span> XMLCh* <span class="keyword">const</span> strValue
<a name="l00050"></a>00050         , <a class="code" href="classMemoryManager.html" title="Configurable memory manager.">MemoryManager</a>* <span class="keyword">const</span> manager = <a class="code" href="classXMLPlatformUtils.html#97eff0d9fff3567bea3acd3ca4d95252" title="The configurable memory manager.">XMLPlatformUtils::fgMemoryManager</a>
<a name="l00051"></a>00051     );
<a name="l00052"></a>00052     ~<a class="code" href="classXMLBigInteger.html">XMLBigInteger</a>();
<a name="l00053"></a>00053 
<a name="l00054"></a>00054     <a class="code" href="classXMLBigInteger.html">XMLBigInteger</a>(<span class="keyword">const</span> <a class="code" href="classXMLBigInteger.html">XMLBigInteger</a>&amp; toCopy);
<a name="l00055"></a>00055 
<a name="l00056"></a>00056     <span class="keyword">static</span> XMLCh* getCanonicalRepresentation
<a name="l00057"></a>00057                         (
<a name="l00058"></a>00058                           <span class="keyword">const</span> XMLCh*         <span class="keyword">const</span> rawData
<a name="l00059"></a>00059                         ,       <a class="code" href="classMemoryManager.html" title="Configurable memory manager.">MemoryManager</a>* <span class="keyword">const</span> memMgr = <a class="code" href="classXMLPlatformUtils.html#97eff0d9fff3567bea3acd3ca4d95252" title="The configurable memory manager.">XMLPlatformUtils::fgMemoryManager</a>
<a name="l00060"></a>00060                         ,       <span class="keywordtype">bool</span>                 isNonPositiveInteger = <span class="keyword">false</span>
<a name="l00061"></a>00061                         );
<a name="l00062"></a>00062 
<a name="l00063"></a>00063     <span class="keyword">static</span> <span class="keywordtype">void</span> parseBigInteger(<span class="keyword">const</span> XMLCh* <span class="keyword">const</span> toConvert
<a name="l00064"></a>00064                               , XMLCh* <span class="keyword">const</span>       retBuffer
<a name="l00065"></a>00065                               , <span class="keywordtype">int</span>&amp;   signValue
<a name="l00066"></a>00066                               , <a class="code" href="classMemoryManager.html" title="Configurable memory manager.">MemoryManager</a>* <span class="keyword">const</span> manager = <a class="code" href="classXMLPlatformUtils.html#97eff0d9fff3567bea3acd3ca4d95252" title="The configurable memory manager.">XMLPlatformUtils::fgMemoryManager</a>);
<a name="l00067"></a>00067 
<a name="l00068"></a>00068     <span class="keyword">static</span> <span class="keywordtype">int</span>  compareValues(<span class="keyword">const</span> <a class="code" href="classXMLBigInteger.html">XMLBigInteger</a>* <span class="keyword">const</span> lValue
<a name="l00069"></a>00069                              ,<span class="keyword">const</span> <a class="code" href="classXMLBigInteger.html">XMLBigInteger</a>* <span class="keyword">const</span> rValue
<a name="l00070"></a>00070                              , <a class="code" href="classMemoryManager.html" title="Configurable memory manager.">MemoryManager</a>* <span class="keyword">const</span> manager = <a class="code" href="classXMLPlatformUtils.html#97eff0d9fff3567bea3acd3ca4d95252" title="The configurable memory manager.">XMLPlatformUtils::fgMemoryManager</a>);
<a name="l00071"></a>00071 
<a name="l00072"></a>00072 
<a name="l00073"></a>00073     <span class="keyword">static</span> <span class="keywordtype">int</span>  compareValues(<span class="keyword">const</span> XMLCh*         <span class="keyword">const</span> lString
<a name="l00074"></a>00074                             , <span class="keyword">const</span> <span class="keywordtype">int</span>&amp;                 lSign
<a name="l00075"></a>00075                             , <span class="keyword">const</span> XMLCh*         <span class="keyword">const</span> rString
<a name="l00076"></a>00076                             , <span class="keyword">const</span> <span class="keywordtype">int</span>&amp;                 rSign
<a name="l00077"></a>00077                             ,       <a class="code" href="classMemoryManager.html" title="Configurable memory manager.">MemoryManager</a>* <span class="keyword">const</span> manager = <a class="code" href="classXMLPlatformUtils.html#97eff0d9fff3567bea3acd3ca4d95252" title="The configurable memory manager.">XMLPlatformUtils::fgMemoryManager</a>);
<a name="l00078"></a>00078 
<a name="l00079"></a>00079     <span class="keywordtype">void</span>        multiply(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> byteToShift);
<a name="l00080"></a>00080 
<a name="l00081"></a>00081     <span class="keywordtype">void</span>        divide(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> byteToShift);
<a name="l00082"></a>00082 
<a name="l00083"></a>00083     <span class="keywordtype">int</span>         getTotalDigit() <span class="keyword">const</span>;
<a name="l00084"></a>00084 
<a name="l00093"></a>00093     <span class="keyword">inline</span> XMLCh*      toString() <span class="keyword">const</span>;
<a name="l00094"></a>00094     
<a name="l00100"></a>00100     <span class="keyword">inline</span> XMLCh*      getRawData() <span class="keyword">const</span>;
<a name="l00101"></a>00101 
<a name="l00112"></a>00112     <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> <a class="code" href="classXMLBigInteger.html">XMLBigInteger</a>&amp; toCompare) <span class="keyword">const</span>;
<a name="l00113"></a>00113 
<a name="l00118"></a>00118     <span class="keywordtype">int</span> getSign() <span class="keyword">const</span>;
<a name="l00119"></a>00119 
<a name="l00120"></a>00120     <span class="keywordtype">int</span> intValue() <span class="keyword">const</span>;
<a name="l00121"></a>00121 
<a name="l00122"></a>00122 <span class="keyword">private</span>:
<a name="l00123"></a>00123     <span class="comment">// -----------------------------------------------------------------------</span>
<a name="l00124"></a>00124     <span class="comment">//  Unimplemented constructors and operators</span>
<a name="l00125"></a>00125     <span class="comment">// -----------------------------------------------------------------------    </span>
<a name="l00126"></a>00126     <a class="code" href="classXMLBigInteger.html">XMLBigInteger</a>&amp; operator=(<span class="keyword">const</span> <a class="code" href="classXMLBigInteger.html">XMLBigInteger</a>&amp;);
<a name="l00127"></a>00127 
<a name="l00128"></a>00128 
<a name="l00129"></a>00129     <span class="keywordtype">void</span> setSign(<span class="keywordtype">int</span>);
<a name="l00130"></a>00130 
<a name="l00131"></a>00131     <span class="comment">/*</span>
<a name="l00132"></a>00132 <span class="comment">     * The number is internally stored in "minimal" sign-fMagnitude format</span>
<a name="l00133"></a>00133 <span class="comment">     * (i.e., no BigIntegers have a leading zero byte in their magnitudes).</span>
<a name="l00134"></a>00134 <span class="comment">     * Zero is represented with a signum of 0 (and a zero-length fMagnitude).</span>
<a name="l00135"></a>00135 <span class="comment">     * Thus, there is exactly one representation for each value.</span>
<a name="l00136"></a>00136 <span class="comment">     */</span>
<a name="l00137"></a>00137     <span class="comment">// -----------------------------------------------------------------------</span>
<a name="l00138"></a>00138     <span class="comment">//  Private data members</span>
<a name="l00139"></a>00139     <span class="comment">//</span>
<a name="l00140"></a>00140     <span class="comment">//  fSign</span>
<a name="l00141"></a>00141     <span class="comment">//     to represent the sign of the number.</span>
<a name="l00142"></a>00142     <span class="comment">//</span>
<a name="l00143"></a>00143     <span class="comment">//  fMagnitude</span>
<a name="l00144"></a>00144     <span class="comment">//     the buffer holding the number.</span>
<a name="l00145"></a>00145     <span class="comment">//</span>
<a name="l00146"></a>00146     <span class="comment">//  fRawData</span>
<a name="l00147"></a>00147     <span class="comment">//     to preserve the original string used to construct this object,</span>
<a name="l00148"></a>00148     <span class="comment">//     needed for pattern matching.</span>
<a name="l00149"></a>00149     <span class="comment">//</span>
<a name="l00150"></a>00150     <span class="comment">// -----------------------------------------------------------------------</span>
<a name="l00151"></a>00151 
<a name="l00152"></a>00152     <span class="keywordtype">int</span>         fSign;
<a name="l00153"></a>00153     XMLCh*      fMagnitude;  <span class="comment">//null terminated</span>
<a name="l00154"></a>00154     XMLCh*      fRawData;
<a name="l00155"></a>00155     <a class="code" href="classMemoryManager.html" title="Configurable memory manager.">MemoryManager</a>* fMemoryManager;
<a name="l00156"></a>00156 };
<a name="l00157"></a>00157 
<a name="l00158"></a><a class="code" href="classXMLBigInteger.html#90dfbe25ebc46f2ea8b1790962ddf2ec">00158</a> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classXMLBigInteger.html#90dfbe25ebc46f2ea8b1790962ddf2ec" title="Returns the signum function of this number (i.e., -1, 0 or 1 as the value of this...">XMLBigInteger::getSign</a>()<span class="keyword"> const</span>
<a name="l00159"></a>00159 <span class="keyword"></span>{    
<a name="l00160"></a>00160     <span class="keywordflow">return</span> fSign;
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162 
<a name="l00163"></a><a class="code" href="classXMLBigInteger.html#a2183a0ea5bd48491d305d4785512a59">00163</a> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classXMLBigInteger.html#a2183a0ea5bd48491d305d4785512a59">XMLBigInteger::getTotalDigit</a>()<span class="keyword"> const</span>
<a name="l00164"></a>00164 <span class="keyword"></span>{
<a name="l00165"></a>00165     <span class="keywordflow">return</span> ((<a class="code" href="classXMLBigInteger.html#90dfbe25ebc46f2ea8b1790962ddf2ec" title="Returns the signum function of this number (i.e., -1, 0 or 1 as the value of this...">getSign</a>() ==0) ? 0 : <a class="code" href="classXMLString.html#0dcb95e9c1de8891e097f1500bda8c82" title="Get the length of the string.">XMLString::stringLen</a>(fMagnitude));
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167 
<a name="l00168"></a><a class="code" href="classXMLBigInteger.html#b1d2f60ce5aae3947646d7678af01aa3">00168</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classXMLBigInteger.html#b1d2f60ce5aae3947646d7678af01aa3" title="Compares this object to the specified object.">XMLBigInteger::operator==</a>(<span class="keyword">const</span> <a class="code" href="classXMLBigInteger.html">XMLBigInteger</a>&amp; toCompare)<span class="keyword"> const</span>
<a name="l00169"></a>00169 <span class="keyword"></span>{
<a name="l00170"></a>00170     <span class="keywordflow">return</span> ( <a class="code" href="classXMLBigInteger.html#eb4fca582ce3dd67d614ef2fdbb4778c">compareValues</a>(<span class="keyword">this</span>, &amp;toCompare, fMemoryManager) ==0 ? <span class="keyword">true</span> : <span class="keyword">false</span>);
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172 
<a name="l00173"></a>00173 <span class="keyword">inline</span> <span class="keywordtype">void</span> XMLBigInteger::setSign(<span class="keywordtype">int</span> newSign)
<a name="l00174"></a>00174 {
<a name="l00175"></a>00175     fSign = newSign;
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177 
<a name="l00178"></a><a class="code" href="classXMLBigInteger.html#277ec8b518eebcd4cd0072c7145a4ed9">00178</a> <span class="keyword">inline</span> XMLCh*  <a class="code" href="classXMLBigInteger.html#277ec8b518eebcd4cd0072c7145a4ed9" title="Return a copy of the fMagnitue.">XMLBigInteger::getRawData</a>()<span class="keyword"> const</span>
<a name="l00179"></a>00179 <span class="keyword"></span>{
<a name="l00180"></a>00180     <span class="keywordflow">return</span> fRawData;
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182 
<a name="l00183"></a>00183 <span class="comment">//</span>
<a name="l00184"></a>00184 <span class="comment">// The caller needs to de-allocate the memory allocated by this function</span>
<a name="l00185"></a>00185 <span class="comment">//</span>
<a name="l00186"></a><a class="code" href="classXMLBigInteger.html#056bf3d26e07edfb0343dc64ffe39071">00186</a> <span class="keyword">inline</span> XMLCh*  <a class="code" href="classXMLBigInteger.html#056bf3d26e07edfb0343dc64ffe39071" title="Deprecated: please use getRawData.">XMLBigInteger::toString</a>()<span class="keyword"> const</span>
<a name="l00187"></a>00187 <span class="keyword"></span>{
<a name="l00188"></a>00188     <span class="comment">// Return data using global operator new</span>
<a name="l00189"></a>00189     <span class="keywordflow">return</span> <a class="code" href="classXMLString.html#31af5fc5e562ca4f7315825a7ac0f034" title="Replicates a string NOTE: The returned buffer is dynamically allocated and is the...">XMLString::replicate</a>(fRawData, fMemoryManager);
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191 
<a name="l00192"></a>00192 <a class="code" href="XercesDefs_8hpp.html#f03d5cb905763ef7a7bd22ab82718285">XERCES_CPP_NAMESPACE_END</a>
<a name="l00193"></a>00193 
<a name="l00194"></a>00194 <span class="preprocessor">#endif</span>
</pre></div>    </FONT></TD></TR></TABLE><BR>
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