00001 /*
00002 * The Apache Software License, Version 1.1
00003 *
00004 * Copyright (c) 2001 The Apache Software Foundation. All rights
00005 * reserved.
00006 *
00007 * Redistribution and use in source and binary forms, with or without
00008 * modification, are permitted provided that the following conditions
00009 * are met:
00010 *
00011 * 1. Redistributions of source code must retain the above copyright
00012 * notice, this list of conditions and the following disclaimer.
00013 *
00014 * 2. Redistributions in binary form must reproduce the above copyright
00015 * notice, this list of conditions and the following disclaimer in
00016 * the documentation and/or other materials provided with the
00017 * distribution.
00018 *
00019 * 3. The end-user documentation included with the redistribution,
00020 * if any, must include the following acknowledgment:
00021 * "This product includes software developed by the
00022 * Apache Software Foundation (http://www.apache.org/)."
00023 * Alternately, this acknowledgment may appear in the software itself,
00024 * if and wherever such third-party acknowledgments normally appear.
00025 *
00026 * 4. The names "Xerces" and "Apache Software Foundation" must
00027 * not be used to endorse or promote products derived from this
00028 * software without prior written permission. For written
00029 * permission, please contact apache\@apache.org.
00030 *
00031 * 5. Products derived from this software may not be called "Apache",
00032 * nor may "Apache" appear in their name, without prior written
00033 * permission of the Apache Software Foundation.
00034 *
00035 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
00036 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00037 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00038 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
00039 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00040 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00041 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
00042 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00043 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00044 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
00045 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00046 * SUCH DAMAGE.
00047 * ====================================================================
00048 *
00049 * This software consists of voluntary contributions made by many
00050 * individuals on behalf of the Apache Software Foundation, and was
00051 * originally based on software copyright (c) 2001, International
00052 * Business Machines, Inc., http://www.ibm.com . For more information
00053 * on the Apache Software Foundation, please see
00054 * <http://www.apache.org/>.
00055 */
00056
00057 /*
00058 * $Id: XMLBigDecimal.hpp,v 1.3 2002/08/13 22:11:23 peiyongz Exp $
00059 */
00060
00061 #ifndef XML_BIGDECIMAL_HPP
00062 #define XML_BIGDECIMAL_HPP
00063
00064 #include <xercesc/util/XercesDefs.hpp>
00065 #include <xercesc/util/XMLNumber.hpp>
00066 #include <xercesc/util/XMLBigInteger.hpp>
00067
00068 class XMLBigDecimal : public XMLNumber
00069 {
00070 public:
00071
00081
00082 XMLBigDecimal(const XMLCh* const strValue);
00083
00084 ~XMLBigDecimal();
00085
00086 XMLBigDecimal(const XMLBigDecimal& toCopy);
00087
00092 XMLBigDecimal(const XMLBigDecimal& toCopy, const int addExponent);
00093
00094 static void parseBigDecimal(const XMLCh* const strValue
00095 , XMLCh* const retValue
00096 , unsigned int& scaleValue);
00097
00098 static int compareValues(const XMLBigDecimal* const lValue
00099 , const XMLBigDecimal* const rValue);
00100
00101 static void matchScale(XMLBigDecimal* const lValue
00102 , XMLBigDecimal* const rValue);
00103
00104
00105 virtual XMLCh* toString() const;
00106
00107 virtual int getSign() const;
00108
00109 XMLBigInteger* getValue() const;
00110
00111 unsigned int getScale() const;
00112
00113 unsigned int getTotalDigit() const;
00114
00115
00116
00127 bool operator==(const XMLBigDecimal& toCompare) const;
00128
00129 private:
00130
00131 void reScale(unsigned int newValue);
00132
00133 // -----------------------------------------------------------------------
00134 // Private data members
00135 //
00136 // fIntVal
00137 // the XMLBigInteger holding the value of this BigDecimal.
00138 //
00139 // fScale
00140 // the number of digits to the right of the decimal point
00141 //
00142 // fRawData
00143 // to preserve the original string used to construct this object,
00144 // needed for pattern matching.
00145 //
00146 // -----------------------------------------------------------------------
00147
00148 XMLBigInteger* fIntVal;
00149 unsigned int fScale;
00150 XMLCh* fRawData;
00151 };
00152
00153 inline XMLBigDecimal::~XMLBigDecimal()
00154 {
00155 delete fIntVal;
00156 if (fRawData)
00157 delete [] fRawData;
00158 }
00159
00160 inline int XMLBigDecimal::getSign() const
00161 {
00162 return fIntVal->getSign();
00163 }
00164
00165 inline XMLBigInteger* XMLBigDecimal::getValue() const
00166 {
00167 return fIntVal;
00168 }
00169
00170 inline unsigned int XMLBigDecimal::getScale() const
00171 {
00172 return fScale;
00173 }
00174
00175 inline unsigned int XMLBigDecimal::getTotalDigit() const
00176 {
00177 return fIntVal->getTotalDigit();
00178 }
00179
00180 inline bool XMLBigDecimal::operator==(const XMLBigDecimal& toCompare) const
00181 {
00182 return ( XMLBigInteger::compareValues(this->fIntVal, toCompare.fIntVal) == 0 ? true : false);
00183 }
00184
00185 #endif