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
