XMLBigDecimal.hpp

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
/*
 * $Id$
 */
 
#if !defined(XERCESC_INCLUDE_GUARD_XML_BIGDECIMAL_HPP)
#define XERCESC_INCLUDE_GUARD_XML_BIGDECIMAL_HPP
 
#include <xercesc/util/XMLNumber.hpp>
#include <xercesc/util/XMLString.hpp>
#include <xercesc/util/PlatformUtils.hpp>
 
XERCES_CPP_NAMESPACE_BEGIN
 
class XMLUTIL_EXPORT XMLBigDecimal : public XMLNumber
{
public:
 
    XMLBigDecimal
    (
        const XMLCh* const strValue
        , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
    );
 
    ~XMLBigDecimal();
 
    static int            compareValues(const XMLBigDecimal* const lValue
                                      , const XMLBigDecimal* const rValue
                                      , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
 
    static XMLCh* getCanonicalRepresentation
                  (
                   const XMLCh*         const rawData
                 ,       MemoryManager* const memMgr = XMLPlatformUtils::fgMemoryManager
                  );
 
    static void  parseDecimal
                ( 
                   const XMLCh* const toParse
                ,        XMLCh* const retBuffer
                ,        int&         sign
                ,        int&         totalDigits
                ,        int&         fractDigits
                ,        MemoryManager* const manager
                );
 
    static void  parseDecimal
                ( 
                   const XMLCh*         const toParse
                ,        MemoryManager* const manager
                );
 
    virtual XMLCh*        getRawData() const;
 
    virtual const XMLCh*  getFormattedString() const;
 
    virtual int           getSign() const;
 
    const XMLCh*          getValue() const;
 
    unsigned int          getScale() const;
 
    unsigned int          getTotalDigit() const;
 
    inline XMLCh*         getIntVal() const;
 
     int toCompare(const XMLBigDecimal& other) const;
 
    /*
     * Sets the value to be converted
     *
     * @param   strValue the value to convert
     */
    void setDecimalValue(const XMLCh* const strValue);
 
    MemoryManager* getMemoryManager() const;
 
    /***
     * Support for Serialization/De-serialization
     ***/
    DECL_XSERIALIZABLE(XMLBigDecimal)
 
    XMLBigDecimal(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
 
private:
 
    void  cleanUp();
    
    // -----------------------------------------------------------------------
    //  Unimplemented constructors and operators
    // -----------------------------------------------------------------------       
    XMLBigDecimal(const XMLBigDecimal& other);
    XMLBigDecimal& operator=(const XMLBigDecimal& other);        
    
    // -----------------------------------------------------------------------
    //  Private data members
    //
    //  fSign
    //     sign
    //
    //  fTotalDigits
    //     the total number of digits 
    //
    //  fScale
    //     the number of digits to the right of the decimal point
    //
    //  fIntVal
    //     The value of this BigDecimal, w/o
    //         leading whitespace, leading zero
    //         decimal point
    //         trailing zero, trailing whitespace
    //
    //  fRawData
    //     to preserve the original string used to construct this object,
    //     needed for pattern matching.
    //
    // -----------------------------------------------------------------------
    int            fSign;
    unsigned int   fTotalDigits;
    unsigned int   fScale;
    XMLSize_t      fRawDataLen;
    XMLCh*         fRawData;
    XMLCh*         fIntVal;
    MemoryManager* fMemoryManager;
 
};
 
inline int XMLBigDecimal::getSign() const
{
    return fSign;
}
 
inline const XMLCh* XMLBigDecimal::getValue() const
{
    return fIntVal;
}
 
inline unsigned int XMLBigDecimal::getScale() const
{
    return fScale;
}
 
inline unsigned int XMLBigDecimal::getTotalDigit() const
{
    return fTotalDigits;
}
 
inline XMLCh*  XMLBigDecimal::getRawData() const
{
    return fRawData;
}
 
inline const XMLCh*  XMLBigDecimal::getFormattedString() const
{
    return fRawData;
}
 
inline MemoryManager* XMLBigDecimal::getMemoryManager() const
{
    return fMemoryManager;
}
 
inline XMLCh*  XMLBigDecimal::getIntVal() const
{
    return fIntVal;
}
 
XERCES_CPP_NAMESPACE_END
 
#endif