BaseRefVectorOf.c
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- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999-2002 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. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation, and was
- * originally based on software copyright (c) 1999, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #if defined(XERCES_TMPLSINC)
- #include <xercesc/util/BaseRefVectorOf.hpp>
- #endif
- XERCES_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 link
- template <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> void
- BaseRefVectorOf<TElem>::setElementAt(TElem* const toSet, const unsigned int setAt)
- {
- if (setAt >= fCurCount)
- ThrowXML(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex);
- 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)
- ThrowXML(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex);
- 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)
- ThrowXML(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex);
- // 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)
- ThrowXML(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex);
- 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)
- ThrowXML(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex);
- return fElemList[getAt];
- }
- template <class TElem> TElem*
- BaseRefVectorOf<TElem>::elementAt(const unsigned int getAt)
- {
- if (getAt >= fCurCount)
- ThrowXML(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex);
- 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;
- }
- // ---------------------------------------------------------------------------
- // 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