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XMLBigDecimal.hpp

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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 1.8 2001/09/27 14:54:20 peiyongz Exp $
00059  */
00060 
00061 #ifndef XML_BIGDECIMAL_HPP
00062 #define XML_BIGDECIMAL_HPP
00063 
00064 #include <util/XercesDefs.hpp>
00065 #include <util/XMLNumber.hpp>
00066 #include <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     // -----------------------------------------------------------------------
00143 
00144     XMLBigInteger*   fIntVal;
00145     unsigned int     fScale;
00146 
00147 };
00148 
00149 inline XMLBigDecimal::~XMLBigDecimal()
00150 {
00151     delete fIntVal;
00152 }
00153 
00154 inline int XMLBigDecimal::getSign() const
00155 {
00156     return fIntVal->getSign();
00157 }
00158 
00159 inline XMLBigInteger* XMLBigDecimal::getValue() const
00160 {
00161     return fIntVal;
00162 }
00163 
00164 inline unsigned int XMLBigDecimal::getScale() const
00165 {
00166     return fScale;
00167 }
00168 
00169 inline unsigned int XMLBigDecimal::getTotalDigit() const
00170 {
00171     return fIntVal->getTotalDigit();
00172 }
00173 
00174 inline bool XMLBigDecimal::operator==(const XMLBigDecimal& toCompare) const
00175 {
00176     return ( XMLBigInteger::compareValues(this->fIntVal, toCompare.fIntVal) == 0 ? true : false);
00177 }
00178 
00179 #endif


Copyright © 2000 The Apache Software Foundation. All Rights Reserved.