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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
    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 1.17 2004/01/13 19:50:56 peiyongz 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
    00086     XMLBigDecimal
    00087     (
    00088         const XMLCh* const strValue
    00089         , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
    00090     );
    00091
    00092     ~XMLBigDecimal();
    00093
    00094     static int            compareValues(const XMLBigDecimal* const lValue
    00095                                       , const XMLBigDecimal* const rValue
    00096                                       , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
    00097
    00098     static XMLCh* getCanonicalRepresentation
    00099                   (
    00100                    const XMLCh*         const rawData
    00101                  ,       MemoryManager* const memMgr = XMLPlatformUtils::fgMemoryManager
    00102                   );
    00103
    00104     static void  parseDecimal
    00105                 (
    00106                    const XMLCh* const toParse
    00107                 ,        XMLCh* const retBuffer
    00108                 ,        int&         sign
    00109                 ,        int&         totalDigits
    00110                 ,        int&         fractDigits
    00111                 ,        MemoryManager* const manager
    00112                 );
    00113
    00119     virtual XMLCh*        toString() const;
    00120
    00121     virtual XMLCh*        getRawData() const;
    00122
    00123     virtual const XMLCh*  getFormattedString() const;
    00124
    00125     virtual int           getSign() const;
    00126
    00127     const XMLCh*          getValue() const;
    00128
    00129     unsigned int          getScale() const;
    00130
    00131     unsigned int          getTotalDigit() const;
    00132
    00141      int toCompare(const XMLBigDecimal& other) const;
    00142
    00143     /*
    00144      * Sets the value to be converted
    00145      *
    00146      * @param   strValue the value to convert
    00147      */
    00148     void setDecimalValue(const XMLCh* const strValue);
    00149
    00150     MemoryManager* getMemoryManager() const;
    00151
    00152     /***
    00153      * Support for Serialization/De-serialization
    00154      ***/
    00155     DECL_XSERIALIZABLE(XMLBigDecimal)
    00156
    00157     XMLBigDecimal(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
    00158
    00159 private:
    00160
    00161     void  cleanUp();
    00162
    00163     // -----------------------------------------------------------------------
    00164     //  Unimplemented contstructors and operators
    00165     // -----------------------------------------------------------------------
    00166     XMLBigDecimal(const XMLBigDecimal& other);
    00167     XMLBigDecimal& operator=(const XMLBigDecimal& other);
    00168
    00169     // -----------------------------------------------------------------------
    00170     //  Private data members
    00171     //
    00172     //  fSign
    00173     //     sign
    00174     //
    00175     //  fTotalDigits
    00176     //     the total number of didits
    00177     //
    00178     //  fScale
    00179     //     the number of digits to the right of the decimal point
    00180     //
    00181     //  fIntVal
    00182     //     The value of this BigDecimal, w/o
    00183     //         leading whitespace, leading zero
    00184     //         decimal point
    00185     //         trailing zero, trailing whitespace
    00186     //
    00187     //  fRawData
    00188     //     to preserve the original string used to construct this object,
    00189     //     needed for pattern matching.
    00190     //
    00191     // -----------------------------------------------------------------------
    00192     int            fSign;
    00193     unsigned int   fTotalDigits;
    00194     unsigned int   fScale;
    00195     unsigned int   fRawDataLen;
    00196     XMLCh*         fRawData;
    00197     XMLCh*         fIntVal;
    00198     MemoryManager* fMemoryManager;
    00199 };
    00200
    00201 inline int XMLBigDecimal::getSign() const
    00202 {
    00203     return fSign;
    00204 }
    00205
    00206 inline const XMLCh* XMLBigDecimal::getValue() const
    00207 {
    00208     return fIntVal;
    00209 }
    00210
    00211 inline unsigned int XMLBigDecimal::getScale() const
    00212 {
    00213     return fScale;
    00214 }
    00215
    00216 inline unsigned int XMLBigDecimal::getTotalDigit() const
    00217 {
    00218     return fTotalDigits;
    00219 }
    00220
    00221 inline XMLCh*  XMLBigDecimal::getRawData() const
    00222 {
    00223     return fRawData;
    00224 }
    00225
    00226 inline const XMLCh*  XMLBigDecimal::getFormattedString() const
    00227 {
    00228     return fRawData;
    00229 }
    00230
    00231 inline MemoryManager* XMLBigDecimal::getMemoryManager() const
    00232 {
    00233     return fMemoryManager;
    00234 }
    00235
    00236 //
    00237 // The caller needs to de-allocate the memory allocated by this function
    00238 //
    00239 inline XMLCh*  XMLBigDecimal::toString() const
    00240 {
    00241     // Return data using global operator new
    00242     return XMLString::replicate(fRawData);
    00243 }
    00244
    00245 XERCES_CPP_NAMESPACE_END
    00246
    00247 #endif

Copyright © 2004 The Apache Software Foundation. All Rights Reserved.