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<h1>XMLAbstractDoubleFloat.hpp</h1><a href="XMLAbstractDoubleFloat_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: XMLAbstractDoubleFloat.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_ABSTRACT_DOUBLE_FLOAT_HPP</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define XML_ABSTRACT_DOUBLE_FLOAT_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="XMLNumber_8hpp.html">xercesc/util/XMLNumber.hpp</a>&gt;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &lt;<a class="code" href="PlatformUtils_8hpp.html">xercesc/util/PlatformUtils.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>00030 <span class="comment">/***</span>
<a name="l00031"></a>00031 <span class="comment"> * 3.2.5.1 Lexical representation</span>
<a name="l00032"></a>00032 <span class="comment"> *</span>
<a name="l00033"></a>00033 <span class="comment"> * double values have a lexical representation consisting of a mantissa followed,</span>
<a name="l00034"></a>00034 <span class="comment"> * optionally, by the character "E" or "e", followed by an exponent.</span>
<a name="l00035"></a>00035 <span class="comment"> *</span>
<a name="l00036"></a>00036 <span class="comment"> * The exponent �must� be an integer.</span>
<a name="l00037"></a>00037 <span class="comment"> * The mantissa must be a decimal number.</span>
<a name="l00038"></a>00038 <span class="comment"> * The representations for exponent and mantissa must follow the lexical rules</span>
<a name="l00039"></a>00039 <span class="comment"> * for integer and decimal.</span>
<a name="l00040"></a>00040 <span class="comment"> *</span>
<a name="l00041"></a>00041 <span class="comment"> * If the "E" or "e" and the following exponent are omitted,</span>
<a name="l00042"></a>00042 <span class="comment"> * an exponent value of 0 is assumed.</span>
<a name="l00043"></a>00043 <span class="comment">***/</span>
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="comment">/***</span>
<a name="l00046"></a>00046 <span class="comment"> * 3.2.4.1 Lexical representation</span>
<a name="l00047"></a>00047 <span class="comment"> *</span>
<a name="l00048"></a>00048 <span class="comment"> * float values have a lexical representation consisting of a mantissa followed,</span>
<a name="l00049"></a>00049 <span class="comment"> * optionally, by the character "E" or "e", followed by an exponent.</span>
<a name="l00050"></a>00050 <span class="comment"> *</span>
<a name="l00051"></a>00051 <span class="comment"> * The exponent �must� be an integer.</span>
<a name="l00052"></a>00052 <span class="comment"> * The mantissa must be a decimal number.</span>
<a name="l00053"></a>00053 <span class="comment"> * The representations for exponent and mantissa must follow the lexical rules</span>
<a name="l00054"></a>00054 <span class="comment"> * for integer and decimal.</span>
<a name="l00055"></a>00055 <span class="comment"> *</span>
<a name="l00056"></a>00056 <span class="comment"> * If the "E" or "e" and the following exponent are omitted,</span>
<a name="l00057"></a>00057 <span class="comment"> * an exponent value of 0 is assumed.</span>
<a name="l00058"></a>00058 <span class="comment">***/</span>
<a name="l00059"></a>00059
<a name="l00060"></a><a class="code" href="classXMLAbstractDoubleFloat.html">00060</a> <span class="keyword">class </span><a class="code" href="XercesDefs_8hpp.html#97a524372e218133a8eb0aca39b4bd21"></a> <a class="code" href="classXMLAbstractDoubleFloat.html">XMLAbstractDoubleFloat</a> : <span class="keyword">public</span> <a class="code" href="classXMLNumber.html">XMLNumber</a>
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062 <span class="keyword">public</span>:
<a name="l00063"></a>00063
<a name="l00064"></a><a class="code" href="classXMLAbstractDoubleFloat.html#23907b924d92dcf8dd17e6768ce1a267">00064</a> <span class="keyword">enum</span> <a class="code" href="classXMLAbstractDoubleFloat.html#23907b924d92dcf8dd17e6768ce1a267">LiteralType</a>
<a name="l00065"></a>00065 {
<a name="l00066"></a><a class="code" href="classXMLAbstractDoubleFloat.html#23907b924d92dcf8dd17e6768ce1a2673687d0cbe9df051f5734ab53e2ac7635">00066</a> NegINF,
<a name="l00067"></a><a class="code" href="classXMLAbstractDoubleFloat.html#23907b924d92dcf8dd17e6768ce1a267c928b75b31d3de849ef8abb129cb1bf0">00067</a> PosINF,
<a name="l00068"></a><a class="code" href="classXMLAbstractDoubleFloat.html#23907b924d92dcf8dd17e6768ce1a267a8f171bbab70fd69fe2f849b5a34a536">00068</a> NaN,
<a name="l00069"></a><a class="code" href="classXMLAbstractDoubleFloat.html#23907b924d92dcf8dd17e6768ce1a267253a1c465ea2343111dad7dd9ee1412f">00069</a> SpecialTypeNum,
<a name="l00070"></a><a class="code" href="classXMLAbstractDoubleFloat.html#23907b924d92dcf8dd17e6768ce1a2670b7334fc80eaed9758bfabf83b056f58">00070</a> Normal
<a name="l00071"></a>00071 };
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="keyword">virtual</span> ~<a class="code" href="classXMLAbstractDoubleFloat.html">XMLAbstractDoubleFloat</a>();
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="keyword">static</span> XMLCh* getCanonicalRepresentation
<a name="l00076"></a>00076 (
<a name="l00077"></a>00077 <span class="keyword">const</span> XMLCh* <span class="keyword">const</span> rawData
<a name="l00078"></a>00078 , <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="l00079"></a>00079 );
<a name="l00080"></a>00080
<a name="l00086"></a>00086 <span class="keyword">virtual</span> XMLCh* <a class="code" href="classXMLNumber.html#1a88e061727b7740348185f36277c7d5" title="Deprecated: please use getRawData.">toString</a>() <span class="keyword">const</span>;
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keyword">virtual</span> XMLCh* <a class="code" href="classXMLNumber.html#e9d0f1ea61d2a6d5fb705c3c44962c39" title="Return string representation of the decimal value.">getRawData</a>() <span class="keyword">const</span>;
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="keyword">virtual</span> <span class="keyword">const</span> XMLCh* <a class="code" href="classXMLNumber.html#9ee7bb914f65bbf0d6edc2835bfa28f6" title="Return the original and converted value of the original data.">getFormattedString</a>() <span class="keyword">const</span>;
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classXMLNumber.html#6e6b402f5170844a4807ff7208d38033" title="Returns the sign of this number.">getSign</a>() <span class="keyword">const</span>;
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <a class="code" href="classMemoryManager.html" title="Configurable memory manager.">MemoryManager</a>* getMemoryManager() <span class="keyword">const</span>;
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="keyword">inline</span> <span class="keywordtype">bool</span> isDataConverted() <span class="keyword">const</span>;
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <span class="keyword">inline</span> <span class="keywordtype">bool</span> isDataOverflowed() <span class="keyword">const</span>;
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keyword">inline</span> <span class="keywordtype">double</span> getValue() <span class="keyword">const</span>;
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="keyword">inline</span> LiteralType getType() <span class="keyword">const</span>;
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <span class="comment">/***</span>
<a name="l00105"></a>00105 <span class="comment"> *</span>
<a name="l00106"></a>00106 <span class="comment"> * The decimal point delimiter for the schema double/float type is</span>
<a name="l00107"></a>00107 <span class="comment"> * defined to be a period and is not locale-specific. So, it must</span>
<a name="l00108"></a>00108 <span class="comment"> * be replaced with the local-specific delimiter before converting</span>
<a name="l00109"></a>00109 <span class="comment"> * from string to double/float.</span>
<a name="l00110"></a>00110 <span class="comment"> *</span>
<a name="l00111"></a>00111 <span class="comment"> ***/</span>
<a name="l00112"></a>00112 <span class="keyword">static</span> <span class="keywordtype">void</span> normalizeDecimalPoint(<span class="keywordtype">char</span>* <span class="keyword">const</span> toNormal);
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="comment">/***</span>
<a name="l00115"></a>00115 <span class="comment"> * Support for Serialization/De-serialization</span>
<a name="l00116"></a>00116 <span class="comment"> ***/</span>
<a name="l00117"></a>00117 DECL_XSERIALIZABLE(<a class="code" href="classXMLAbstractDoubleFloat.html">XMLAbstractDoubleFloat</a>)
<a name="l00118"></a>00118
<a name="l00119"></a>00119 protected:
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="comment">//</span>
<a name="l00122"></a>00122 <span class="comment">// To be used by derived class exclusively</span>
<a name="l00123"></a>00123 <span class="comment">//</span>
<a name="l00124"></a>00124 <a class="code" href="classXMLAbstractDoubleFloat.html">XMLAbstractDoubleFloat</a>(<a class="code" href="classMemoryManager.html" title="Configurable memory manager.">MemoryManager</a>* const manager = <a class="code" href="classXMLPlatformUtils.html" title="Utilities that must be implemented in a platform-specific way.">XMLPlatformUtils</a>::fgMemoryManager);
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="keywordtype">void</span> init(const XMLCh* const strValue);
<a name="l00127"></a>00127
<a name="l00141"></a>00141 static <span class="keywordtype">int</span> compareValues(const <a class="code" href="classXMLAbstractDoubleFloat.html">XMLAbstractDoubleFloat</a>* const lValue
<a name="l00142"></a>00142 , const <a class="code" href="classXMLAbstractDoubleFloat.html">XMLAbstractDoubleFloat</a>* const rValue
<a name="l00143"></a>00143 , <a class="code" href="classMemoryManager.html" title="Configurable memory manager.">MemoryManager</a>* const manager);
<a name="l00144"></a>00144
<a name="l00145"></a>00145 <span class="comment">//</span>
<a name="l00146"></a>00146 <span class="comment">// to be overridden by derived class</span>
<a name="l00147"></a>00147 <span class="comment">//</span>
<a name="l00148"></a>00148 virtual <span class="keywordtype">void</span> checkBoundary(<span class="keywordtype">char</span>* const strValue) = 0;
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="keywordtype">void</span>
<a name="l00151"></a>00151 convert(<span class="keywordtype">char</span>* const strValue);
<a name="l00152"></a>00152
<a name="l00153"></a>00153 private:
<a name="l00154"></a>00154 <span class="comment">//</span>
<a name="l00155"></a>00155 <span class="comment">// Unimplemented</span>
<a name="l00156"></a>00156 <span class="comment">//</span>
<a name="l00157"></a>00157 <span class="comment">// copy ctor</span>
<a name="l00158"></a>00158 <span class="comment">// assignment ctor</span>
<a name="l00159"></a>00159 <span class="comment">//</span>
<a name="l00160"></a>00160 <a class="code" href="classXMLAbstractDoubleFloat.html">XMLAbstractDoubleFloat</a>(const <a class="code" href="classXMLAbstractDoubleFloat.html">XMLAbstractDoubleFloat</a>&amp; toCopy);
<a name="l00161"></a>00161 <a class="code" href="classXMLAbstractDoubleFloat.html">XMLAbstractDoubleFloat</a>&amp; operator=(const <a class="code" href="classXMLAbstractDoubleFloat.html">XMLAbstractDoubleFloat</a>&amp; toAssign);
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="keywordtype">void</span> normalizeZero(XMLCh* const);
<a name="l00164"></a>00164
<a name="l00165"></a>00165 inline <span class="keywordtype">bool</span> isSpecialValue() const;
<a name="l00166"></a>00166
<a name="l00167"></a>00167 static <span class="keywordtype">int</span> compareSpecial(const <a class="code" href="classXMLAbstractDoubleFloat.html">XMLAbstractDoubleFloat</a>* const specialValue
<a name="l00168"></a>00168 , <a class="code" href="classMemoryManager.html" title="Configurable memory manager.">MemoryManager</a>* const manager);
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="keywordtype">void</span> formatString();
<a name="l00171"></a>00171
<a name="l00172"></a>00172 protected:
<a name="l00173"></a><a class="code" href="classXMLAbstractDoubleFloat.html#574508dfeea498c058169ceb32834c4b">00173</a> <span class="keywordtype">double</span> fValue;
<a name="l00174"></a><a class="code" href="classXMLAbstractDoubleFloat.html#509d02ff513ac3442fc75b0af447bce4">00174</a> <a class="code" href="classXMLAbstractDoubleFloat.html#23907b924d92dcf8dd17e6768ce1a267">LiteralType</a> fType;
<a name="l00175"></a><a class="code" href="classXMLAbstractDoubleFloat.html#74f084a3a133ef60c11be3b5e8feb58d">00175</a> <span class="keywordtype">bool</span> fDataConverted;
<a name="l00176"></a><a class="code" href="classXMLAbstractDoubleFloat.html#4f68e5e68d96cff247f7625c96ed0493">00176</a> <span class="keywordtype">bool</span> fDataOverflowed;
<a name="l00177"></a>00177
<a name="l00178"></a>00178 private:
<a name="l00179"></a>00179 <span class="keywordtype">int</span> fSign;
<a name="l00180"></a>00180 XMLCh* fRawData;
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <span class="comment">//</span>
<a name="l00183"></a>00183 <span class="comment">// If the original string is not lexcially the same as the five</span>
<a name="l00184"></a>00184 <span class="comment">// special value notations, and the value is converted to</span>
<a name="l00185"></a>00185 <span class="comment">// special value due underlying platform restriction on data</span>
<a name="l00186"></a>00186 <span class="comment">// representation, then this string is constructed and</span>
<a name="l00187"></a>00187 <span class="comment">// takes the form "original_string (special_value_notation)", </span>
<a name="l00188"></a>00188 <span class="comment">// otherwise it is empty.</span>
<a name="l00189"></a>00189 <span class="comment">//</span>
<a name="l00190"></a>00190 XMLCh* fFormattedString;
<a name="l00191"></a>00191 <a class="code" href="classMemoryManager.html" title="Configurable memory manager.">MemoryManager</a>* fMemoryManager;
<a name="l00192"></a>00192
<a name="l00193"></a>00193 };
<a name="l00194"></a>00194
<a name="l00195"></a>00195 inline <span class="keywordtype">bool</span> <a class="code" href="classXMLAbstractDoubleFloat.html">XMLAbstractDoubleFloat</a>::isSpecialValue()<span class="keyword"> const</span>
<a name="l00196"></a>00196 <span class="keyword"></span>{
<a name="l00197"></a>00197 <span class="keywordflow">return</span> (fType &lt; SpecialTypeNum);
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199
<a name="l00200"></a><a class="code" href="classXMLAbstractDoubleFloat.html#cb3b26332583efb33e3650a43709129d">00200</a> <span class="keyword">inline</span> <a class="code" href="classMemoryManager.html" title="Configurable memory manager.">MemoryManager</a>* <a class="code" href="classXMLAbstractDoubleFloat.html#cb3b26332583efb33e3650a43709129d">XMLAbstractDoubleFloat::getMemoryManager</a>()<span class="keyword"> const</span>
<a name="l00201"></a>00201 <span class="keyword"></span>{
<a name="l00202"></a>00202 <span class="keywordflow">return</span> fMemoryManager;
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204
<a name="l00205"></a><a class="code" href="classXMLAbstractDoubleFloat.html#4c1188c636f1e8d690af4f0ebec5e98c">00205</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classXMLAbstractDoubleFloat.html#4c1188c636f1e8d690af4f0ebec5e98c">XMLAbstractDoubleFloat::isDataConverted</a>()<span class="keyword"> const</span>
<a name="l00206"></a>00206 <span class="keyword"></span>{
<a name="l00207"></a>00207 <span class="keywordflow">return</span> <a class="code" href="classXMLAbstractDoubleFloat.html#74f084a3a133ef60c11be3b5e8feb58d">fDataConverted</a>;
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209
<a name="l00210"></a><a class="code" href="classXMLAbstractDoubleFloat.html#c4a303e6528fae934fa862a930a0d38a">00210</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classXMLAbstractDoubleFloat.html#c4a303e6528fae934fa862a930a0d38a">XMLAbstractDoubleFloat::isDataOverflowed</a>()<span class="keyword"> const</span>
<a name="l00211"></a>00211 <span class="keyword"></span>{
<a name="l00212"></a>00212 <span class="keywordflow">return</span> <a class="code" href="classXMLAbstractDoubleFloat.html#4f68e5e68d96cff247f7625c96ed0493">fDataOverflowed</a>;
<a name="l00213"></a>00213 }
<a name="l00214"></a>00214
<a name="l00215"></a><a class="code" href="classXMLAbstractDoubleFloat.html#f079dd6e66d8099dc4b495f2201c52e6">00215</a> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="classXMLAbstractDoubleFloat.html#f079dd6e66d8099dc4b495f2201c52e6">XMLAbstractDoubleFloat::getValue</a>()<span class="keyword"> const</span>
<a name="l00216"></a>00216 <span class="keyword"></span>{
<a name="l00217"></a>00217 <span class="keywordflow">return</span> <a class="code" href="classXMLAbstractDoubleFloat.html#574508dfeea498c058169ceb32834c4b">fValue</a>;
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219
<a name="l00220"></a><a class="code" href="classXMLAbstractDoubleFloat.html#cd84990fef02bca0f78d79d0112bb695">00220</a> <span class="keyword">inline</span> <a class="code" href="classXMLAbstractDoubleFloat.html#23907b924d92dcf8dd17e6768ce1a267">XMLAbstractDoubleFloat::LiteralType</a> <a class="code" href="classXMLAbstractDoubleFloat.html#cd84990fef02bca0f78d79d0112bb695">XMLAbstractDoubleFloat::getType</a>()<span class="keyword"> const</span>
<a name="l00221"></a>00221 <span class="keyword"></span>{
<a name="l00222"></a>00222 <span class="keywordflow">return</span> <a class="code" href="classXMLAbstractDoubleFloat.html#509d02ff513ac3442fc75b0af447bce4">fType</a>;
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224
<a name="l00225"></a>00225 <a class="code" href="XercesDefs_8hpp.html#f03d5cb905763ef7a7bd22ab82718285">XERCES_CPP_NAMESPACE_END</a>
<a name="l00226"></a>00226
<a name="l00227"></a>00227 <span class="preprocessor">#endif</span>
</pre></div> </FONT></TD></TR></TABLE><BR>
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