API Docs for SAX and DOM                 XMLBigInteger.hpp Go to the documentation of this file. /* * The Apache Software License, Version 1.1 * * Copyright (c) 2001 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. 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For more information * on the Apache Software Foundation, please see * <http://www.apache.org/>. */ /* * $Id: XMLBigInteger.hpp,v 1.12 2004/01/29 11:48:46 cargilld Exp $ */ #ifndef XML_BIGINTEGER_HPP #define XML_BIGINTEGER_HPP #include <xercesc/util/XMemory.hpp> #include <xercesc/util/XMLString.hpp> XERCES_CPP_NAMESPACE_BEGIN class XMLBigInteger : public XMemory { public: XMLBigInteger ( const XMLCh* const strValue , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); ~XMLBigInteger(); XMLBigInteger(const XMLBigInteger& toCopy); static XMLCh* getCanonicalRepresentation ( const XMLCh* const rawData , MemoryManager* const memMgr = XMLPlatformUtils::fgMemoryManager ); static void parseBigInteger(const XMLCh* const toConvert , XMLCh* const retBuffer , int& signValue , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); static int compareValues(const XMLBigInteger* const lValue ,const XMLBigInteger* const rValue , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); void multiply(const unsigned int byteToShift); void divide(const unsigned int byteToShift); int getTotalDigit() const; inline XMLCh* toString() const; inline XMLCh* getRawData() const; bool operator==(const XMLBigInteger& toCompare) const; int getSign() const; int intValue() const; private: // ----------------------------------------------------------------------- // Unimplemented constructors and operators // ----------------------------------------------------------------------- XMLBigInteger& operator=(const XMLBigInteger&); void setSign(int); /* * The number is internally stored in "minimal" sign-fMagnitude format * (i.e., no BigIntegers have a leading zero byte in their magnitudes). * Zero is represented with a signum of 0 (and a zero-length fMagnitude). * Thus, there is exactly one representation for each value. */ // ----------------------------------------------------------------------- // Private data members // // fSign // to represent the sign of the number. // // fMagnitude // the buffer holding the number. // // fRawData // to preserve the original string used to construct this object, // needed for pattern matching. // // ----------------------------------------------------------------------- int fSign; XMLCh* fMagnitude; //null terminated XMLCh* fRawData; MemoryManager* fMemoryManager; }; inline int XMLBigInteger::getSign() const { return fSign; } inline int XMLBigInteger::getTotalDigit() const { return ((getSign() ==0) ? 0 : XMLString::stringLen(fMagnitude)); } inline bool XMLBigInteger::operator==(const XMLBigInteger& toCompare) const { return ( compareValues(this, &toCompare, fMemoryManager) ==0 ? true : false); } inline void XMLBigInteger::setSign(int newSign) { fSign = newSign; } inline XMLCh* XMLBigInteger::getRawData() const { return fRawData; } // // The caller needs to de-allocate the memory allocated by this function // inline XMLCh* XMLBigInteger::toString() const { // Return data using global operator new return XMLString::replicate(fRawData, fMemoryManager); } XERCES_CPP_NAMESPACE_END #endif

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