/*

 * 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: XMLBigDecimal.hpp 568078 2007-08-21 11:43:25Z amassari $

 */

#ifndef XML_BIGDECIMAL_HPP

#define 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:

    /**

     * Constructs a newly allocated <code>XMLBigDecimal</code> object that

     * represents the value represented by the string.

     *

     * @param  strValue the <code>String</code> to be converted to an

     *                  <code>XMLBigDecimal</code>.

     * @param  manager  Pointer to the memory manager to be used to

     *                  allocate objects.

     * @exception  NumberFormatException  if the <code>String</code> does not

     *               contain a parsable XMLBigDecimal.

     */

    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

                );

    /**

     *

     *  Deprecated: please use getRawData

     *

     */

    virtual XMLCh*        toString() const;

    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;

    /**

     * Compares this object to the specified object.

     *

     * @param   other   the object to compare with.

     * @return  <code>-1</code> value is less than other's

     *          <code>0</code>  value equals to other's

     *          <code>+1</code> value is greater than other's

     */

     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 contstructors and operators

    // -----------------------------------------------------------------------       

    XMLBigDecimal(const XMLBigDecimal& other);

    XMLBigDecimal& operator=(const XMLBigDecimal& other);        

    // -----------------------------------------------------------------------

    //  Private data members

    //

    //  fSign

    //     sign

    //

    //  fTotalDigits

    //     the total number of didits 

    //

    //  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;

    unsigned int   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;

}

//

// The caller needs to de-allocate the memory allocated by this function

//

inline XMLCh*  XMLBigDecimal::toString() const

{

    // Return data using global operator new

    return XMLString::replicate(fRawData);

}

XERCES_CPP_NAMESPACE_END

#endif