?? baserefvectorof.c
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/* * Copyright 1999-2002,2004 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. */// ---------------------------------------------------------------------------// Includes// ---------------------------------------------------------------------------#if defined(XERCES_TMPLSINC)#include <xercesc/util/BaseRefVectorOf.hpp>#endifXERCES_CPP_NAMESPACE_BEGIN// ---------------------------------------------------------------------------// BaseRefVectorOf: Constructors and Destructor// ---------------------------------------------------------------------------template <class TElem>BaseRefVectorOf<TElem>::BaseRefVectorOf( const unsigned int maxElems , const bool adoptElems , MemoryManager* const manager) : fAdoptedElems(adoptElems) , fCurCount(0) , fMaxCount(maxElems) , fElemList(0) , fMemoryManager(manager){ // Allocate and initialize the array fElemList = (TElem**) fMemoryManager->allocate(maxElems * sizeof(TElem*));//new TElem*[maxElems]; for (unsigned int index = 0; index < maxElems; index++) fElemList[index] = 0;}//implemented so code will linktemplate <class TElem> BaseRefVectorOf<TElem>::~BaseRefVectorOf(){}// ---------------------------------------------------------------------------// BaseRefVectorOf: Element management// ---------------------------------------------------------------------------template <class TElem> void BaseRefVectorOf<TElem>::addElement(TElem* const toAdd){ ensureExtraCapacity(1); fElemList[fCurCount] = toAdd; fCurCount++;}template <class TElem> voidBaseRefVectorOf<TElem>::setElementAt(TElem* const toSet, const unsigned int setAt){ if (setAt >= fCurCount) ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex, fMemoryManager); if (fAdoptedElems) delete fElemList[setAt]; fElemList[setAt] = toSet;}template <class TElem> void BaseRefVectorOf<TElem>::insertElementAt(TElem* const toInsert, const unsigned int insertAt){ if (insertAt == fCurCount) { addElement(toInsert); return; } if (insertAt > fCurCount) ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex, fMemoryManager); ensureExtraCapacity(1); // Make room for the newbie for (unsigned int index = fCurCount; index > insertAt; index--) fElemList[index] = fElemList[index-1]; // And stick it in and bump the count fElemList[insertAt] = toInsert; fCurCount++;}template <class TElem> TElem* BaseRefVectorOf<TElem>::orphanElementAt(const unsigned int orphanAt){ if (orphanAt >= fCurCount) ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex, fMemoryManager); // Get the element we are going to orphan TElem* retVal = fElemList[orphanAt]; // Optimize if its the last element if (orphanAt == fCurCount-1) { fElemList[orphanAt] = 0; fCurCount--; return retVal; } // Copy down every element above orphan point for (unsigned int index = orphanAt; index < fCurCount-1; index++) fElemList[index] = fElemList[index+1]; // Keep unused elements zero for sanity's sake fElemList[fCurCount-1] = 0; // And bump down count fCurCount--; return retVal;}template <class TElem> void BaseRefVectorOf<TElem>::removeAllElements(){ for (unsigned int index = 0; index < fCurCount; index++) { if (fAdoptedElems) delete fElemList[index]; // Keep unused elements zero for sanity's sake fElemList[index] = 0; } fCurCount = 0;}template <class TElem> void BaseRefVectorOf<TElem>::removeElementAt(const unsigned int removeAt){ if (removeAt >= fCurCount) ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex, fMemoryManager); if (fAdoptedElems) delete fElemList[removeAt]; // Optimize if its the last element if (removeAt == fCurCount-1) { fElemList[removeAt] = 0; fCurCount--; return; } // Copy down every element above remove point for (unsigned int index = removeAt; index < fCurCount-1; index++) fElemList[index] = fElemList[index+1]; // Keep unused elements zero for sanity's sake fElemList[fCurCount-1] = 0; // And bump down count fCurCount--;}template <class TElem> void BaseRefVectorOf<TElem>::removeLastElement(){ if (!fCurCount) return; fCurCount--; if (fAdoptedElems) delete fElemList[fCurCount];}template <class TElem>bool BaseRefVectorOf<TElem>::containsElement(const TElem* const toCheck) { for (unsigned int i = 0; i < fCurCount; i++) { if (fElemList[i] == toCheck) { return true; } } return false;}//// cleanup():// similar to destructor// called to cleanup the memory, in case destructor cannot be called//template <class TElem> void BaseRefVectorOf<TElem>::cleanup(){ if (fAdoptedElems) { for (unsigned int index = 0; index < fCurCount; index++) delete fElemList[index]; } fMemoryManager->deallocate(fElemList);//delete [] fElemList;}//// reinitialize():// similar to constructor// called to re-construct the fElemList from scratch again//template <class TElem> void BaseRefVectorOf<TElem>::reinitialize(){ // reinitialize the array if (fElemList) cleanup(); fElemList = (TElem**) fMemoryManager->allocate(fMaxCount * sizeof(TElem*));//new TElem*[fMaxCount]; for (unsigned int index = 0; index < fMaxCount; index++) fElemList[index] = 0;}template <class TElem>MemoryManager* BaseRefVectorOf<TElem>::getMemoryManager() const{ return fMemoryManager;}// ---------------------------------------------------------------------------// BaseRefVectorOf: Getter methods// ---------------------------------------------------------------------------template <class TElem> unsigned int BaseRefVectorOf<TElem>::curCapacity() const{ return fMaxCount;}template <class TElem> const TElem* BaseRefVectorOf<TElem>::elementAt(const unsigned int getAt) const{ if (getAt >= fCurCount) ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex, fMemoryManager); return fElemList[getAt];}template <class TElem> TElem*BaseRefVectorOf<TElem>::elementAt(const unsigned int getAt){ if (getAt >= fCurCount) ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex, fMemoryManager); return fElemList[getAt];}template <class TElem> unsigned int BaseRefVectorOf<TElem>::size() const{ return fCurCount;}// ---------------------------------------------------------------------------// BaseRefVectorOf: Miscellaneous// ---------------------------------------------------------------------------template <class TElem> void BaseRefVectorOf<TElem>::ensureExtraCapacity(const unsigned int length){ unsigned int newMax = fCurCount + length; if (newMax < fMaxCount) return; // Avoid too many reallocations by providing a little more space if (newMax < fMaxCount + 32) newMax = fMaxCount + 32; // Allocate the new array and copy over the existing stuff TElem** newList = (TElem**) fMemoryManager->allocate ( newMax * sizeof(TElem*) );//new TElem*[newMax]; unsigned int index = 0; for (; index < fCurCount; index++) newList[index] = fElemList[index]; // Zero out the rest of them for (; index < newMax; index++) newList[index] = 0; // Clean up the old array and update our members fMemoryManager->deallocate(fElemList);//delete [] fElemList; fElemList = newList; fMaxCount = newMax;}// ---------------------------------------------------------------------------// AbstractBaseRefVectorEnumerator: Constructors and Destructor// ---------------------------------------------------------------------------template <class TElem> BaseRefVectorEnumerator<TElem>::BaseRefVectorEnumerator( BaseRefVectorOf<TElem>* const toEnum , const bool adopt) : fAdopted(adopt) , fCurIndex(0) , fToEnum(toEnum){}template <class TElem> BaseRefVectorEnumerator<TElem>::~BaseRefVectorEnumerator(){ if (fAdopted) delete fToEnum;}template <class TElem> BaseRefVectorEnumerator<TElem>::BaseRefVectorEnumerator(const BaseRefVectorEnumerator<TElem>& toCopy) : fAdopted(toCopy.fAdopted) , fCurIndex(toCopy.fCurIndex) , fToEnum(toCopy.fToEnum) {}// ---------------------------------------------------------------------------// RefBaseRefVectorEnumerator: Enum interface// ---------------------------------------------------------------------------template <class TElem> bool BaseRefVectorEnumerator<TElem>::hasMoreElements() const{ if (fCurIndex >= fToEnum->size()) return false; return true;}template <class TElem> TElem& BaseRefVectorEnumerator<TElem>::nextElement(){ return *(fToEnum->elementAt(fCurIndex++));}template <class TElem> void BaseRefVectorEnumerator<TElem>::Reset(){ fCurIndex = 0;}XERCES_CPP_NAMESPACE_END
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