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XMLBigDecimal.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  * Copyright (c) 2001-2003 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
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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 1.10 2003/05/16 06:01:53 knoaman Exp $
00059  */
00060 
00061 #ifndef XML_BIGDECIMAL_HPP
00062 #define XML_BIGDECIMAL_HPP
00063 
00064 #include <xercesc/util/XMLNumber.hpp>
00065 #include <xercesc/util/XMLString.hpp>
00066 #include <xercesc/util/PlatformUtils.hpp>
00067 
00068 XERCES_CPP_NAMESPACE_BEGIN
00069 
00070 class  XMLBigDecimal : public XMLNumber
00071 {
00072 public:
00073 
00084     XMLBigDecimal
00085     (
00086         const XMLCh* const strValue
00087         , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
00088     );
00089 
00090     ~XMLBigDecimal();
00091 
00092     static int            compareValues(const XMLBigDecimal* const lValue
00093                                       , const XMLBigDecimal* const rValue);
00094 
00100     virtual XMLCh*        toString() const;
00101     
00102     virtual XMLCh*        getRawData() const;
00103 
00104     virtual const XMLCh*  getFormattedString() const;
00105 
00106     virtual int           getSign() const;
00107 
00108     const XMLCh*          getValue() const;
00109 
00110     unsigned int          getScale() const;
00111 
00112     unsigned int          getTotalDigit() const;
00113 
00122      int toCompare(const XMLBigDecimal& other) const;
00123 
00124 private:
00125     void  parseBigDecimal(const XMLCh* const strValue);
00126     void  cleanUp();
00127     
00128     // -----------------------------------------------------------------------
00129     //  Unimplemented contstructors and operators
00130     // -----------------------------------------------------------------------       
00131     XMLBigDecimal(const XMLBigDecimal& other);
00132     XMLBigDecimal& operator=(const XMLBigDecimal& other);        
00133     
00134     // -----------------------------------------------------------------------
00135     //  Private data members
00136     //
00137     //  fSign
00138     //     sign
00139     //
00140     //  fTotalDigits
00141     //     the total number of didits 
00142     //
00143     //  fScale
00144     //     the number of digits to the right of the decimal point
00145     //
00146     //  fIntVal
00147     //     The value of this BigDecimal, w/o
00148     //         leading whitespace, leading zero
00149     //         decimal point
00150     //         trailing zero, trailing whitespace
00151     //
00152     //  fRawData
00153     //     to preserve the original string used to construct this object,
00154     //     needed for pattern matching.
00155     //
00156     // -----------------------------------------------------------------------
00157     int            fSign;
00158     unsigned int   fTotalDigits;
00159     unsigned int   fScale;
00160     XMLCh*         fIntVal;    
00161     XMLCh*         fRawData;
00162     MemoryManager* fMemoryManager;
00163 };
00164 
00165 inline int XMLBigDecimal::getSign() const
00166 {
00167     return fSign;
00168 }
00169 
00170 inline const XMLCh* XMLBigDecimal::getValue() const
00171 {
00172     return fIntVal;
00173 }
00174 
00175 inline unsigned int XMLBigDecimal::getScale() const
00176 {
00177     return fScale;
00178 }
00179 
00180 inline unsigned int XMLBigDecimal::getTotalDigit() const
00181 {
00182     return fTotalDigits;
00183 }
00184 
00185 inline XMLCh*  XMLBigDecimal::getRawData() const
00186 {
00187     return fRawData;
00188 }
00189 
00190 inline const XMLCh*  XMLBigDecimal::getFormattedString() const
00191 {
00192     return fRawData;
00193 }
00194 
00195 //
00196 // The caller needs to de-allocate the memory allocated by this function
00197 //
00198 inline XMLCh*  XMLBigDecimal::toString() const
00199 {
00200     // Return data using global operator new
00201     return XMLString::replicate(fRawData);
00202 }
00203 
00204 XERCES_CPP_NAMESPACE_END
00205 
00206 #endif


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