API Docs for SAX and DOM   XMLBigInteger.hpp Go to the documentation of this file. /* * Copyright 2001,2004 The Apache Software Foundation. * * Licensed 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: XMLBigInteger.hpp 176026 2004-09-08 13:57:07Z peiyongz $ */ #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 , bool isNonPositiveInteger = false ); 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); static int compareValues(const XMLCh* const lString , const int& lSign , const XMLCh* const rString , const int& rSign , 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

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