author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 07 Jan 2010 12:52:45 +0200 | |
changeset 1 | c42dffbd5b4f |
parent 0 | ba25891c3a9e |
child 2 | 661f3784fe57 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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|
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/* |
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* $Id: RefHash3KeysIdPool.c 568078 2007-08-21 11:43:25Z amassari $ |
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*/ |
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|
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// --------------------------------------------------------------------------- |
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// Include |
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// --------------------------------------------------------------------------- |
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#if defined(XERCES_TMPLSINC) |
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#include <xercesc/util/RefHash3KeysIdPool.hpp> |
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#endif |
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#include <xercesc/util/NullPointerException.hpp> |
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#include <assert.h> |
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#include <new> |
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XERCES_CPP_NAMESPACE_BEGIN |
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// --------------------------------------------------------------------------- |
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// RefHash3KeysIdPool: Constructors and Destructor |
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// --------------------------------------------------------------------------- |
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template <class TVal> |
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RefHash3KeysIdPool<TVal>::RefHash3KeysIdPool( const unsigned int modulus |
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, const bool adoptElems |
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, const unsigned int initSize |
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, MemoryManager* const manager) : |
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fMemoryManager(manager) |
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, fAdoptedElems(adoptElems) |
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, fBucketList(0) |
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, fHashModulus(modulus) |
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, fHash(0) |
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, fIdPtrs(0) |
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, fIdPtrsCount(initSize) |
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, fIdCounter(0) |
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{ |
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initialize(modulus); |
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|
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// create default hasher |
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#if defined (XML_GCC_VERSION) && (XML_GCC_VERSION < 29600) |
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fHash = new HashXMLCh(); |
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#else |
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fHash = new (fMemoryManager) HashXMLCh(); |
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#endif |
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|
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// |
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// Allocate the initial id pointers array. We don't have to zero them |
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// out since the fIdCounter value tells us which ones are valid. The |
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// zeroth element is never used (and represents an invalid pool id.) |
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// |
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if (!fIdPtrsCount) |
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fIdPtrsCount = 256; |
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fIdPtrs = (TVal**) fMemoryManager->allocate(fIdPtrsCount * sizeof(TVal*)); //new TVal*[fIdPtrsCount]; |
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fIdPtrs[0] = 0; |
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} |
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|
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template <class TVal> |
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RefHash3KeysIdPool<TVal>::RefHash3KeysIdPool( const unsigned int modulus |
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, const bool adoptElems |
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, HashBase* hashBase |
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, const unsigned int initSize |
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, MemoryManager* const manager) : |
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fMemoryManager(manager) |
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, fAdoptedElems(adoptElems) |
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, fBucketList(0) |
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, fHashModulus(modulus) |
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, fHash(0) |
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, fIdPtrs(0) |
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, fIdPtrsCount(initSize) |
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, fIdCounter(0) |
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103 |
{ |
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initialize(modulus); |
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105 |
// set hasher |
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fHash = hashBase; |
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107 |
|
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108 |
// |
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109 |
// Allocate the initial id pointers array. We don't have to zero them |
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// out since the fIdCounter value tells us which ones are valid. The |
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// zeroth element is never used (and represents an invalid pool id.) |
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112 |
// |
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if (!fIdPtrsCount) |
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fIdPtrsCount = 256; |
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fIdPtrs = (TVal**) fMemoryManager->allocate(fIdPtrsCount * sizeof(TVal*)); //new TVal*[fIdPtrsCount]; |
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fIdPtrs[0] = 0; |
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117 |
} |
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118 |
|
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template <class TVal> |
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RefHash3KeysIdPool<TVal>::RefHash3KeysIdPool( const unsigned int modulus |
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, const unsigned int initSize |
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, MemoryManager* const manager) : |
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fMemoryManager(manager) |
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, fAdoptedElems(true) |
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, fBucketList(0) |
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, fHashModulus(modulus) |
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, fHash(0) |
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, fIdPtrs(0) |
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, fIdPtrsCount(initSize) |
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, fIdCounter(0) |
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131 |
{ |
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initialize(modulus); |
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133 |
|
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// create default hasher |
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#if defined (XML_GCC_VERSION) && (XML_GCC_VERSION < 29600) |
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fHash = new HashXMLCh(); |
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#else |
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fHash = new (fMemoryManager) HashXMLCh(); |
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#endif |
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140 |
|
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141 |
// |
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142 |
// Allocate the initial id pointers array. We don't have to zero them |
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// out since the fIdCounter value tells us which ones are valid. The |
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// zeroth element is never used (and represents an invalid pool id.) |
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145 |
// |
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if (!fIdPtrsCount) |
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fIdPtrsCount = 256; |
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fIdPtrs = (TVal**) fMemoryManager->allocate(fIdPtrsCount * sizeof(TVal*)); //new TVal*[fIdPtrsCount]; |
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fIdPtrs[0] = 0; |
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150 |
} |
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151 |
|
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template <class TVal> void RefHash3KeysIdPool<TVal>::initialize(const unsigned int modulus) |
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153 |
{ |
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if (modulus == 0) |
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ThrowXMLwithMemMgr(IllegalArgumentException, XMLExcepts::HshTbl_ZeroModulus, fMemoryManager); |
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156 |
|
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// Allocate the bucket list and zero them |
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fBucketList = (RefHash3KeysTableBucketElem<TVal>**) fMemoryManager->allocate |
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159 |
( |
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fHashModulus * sizeof(RefHash3KeysTableBucketElem<TVal>*) |
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); //new RefHash3KeysTableBucketElem<TVal>*[fHashModulus]; |
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memset(fBucketList, 0, sizeof(fBucketList[0]) * fHashModulus); |
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163 |
} |
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164 |
|
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template <class TVal> RefHash3KeysIdPool<TVal>::~RefHash3KeysIdPool() |
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166 |
{ |
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removeAll(); |
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168 |
|
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// Then delete the bucket list & hasher & id pointers list |
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fMemoryManager->deallocate(fIdPtrs); //delete [] fIdPtrs; |
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fMemoryManager->deallocate(fBucketList); //delete [] fBucketList; |
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delete fHash; |
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173 |
} |
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174 |
|
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175 |
|
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// --------------------------------------------------------------------------- |
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// RefHash3KeysIdPool: Element management |
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// --------------------------------------------------------------------------- |
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template <class TVal> bool RefHash3KeysIdPool<TVal>::isEmpty() const |
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180 |
{ |
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// Just check the bucket list for non-empty elements |
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for (unsigned int buckInd = 0; buckInd < fHashModulus; buckInd++) |
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183 |
{ |
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if (fBucketList[buckInd] != 0) |
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return false; |
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186 |
} |
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return true; |
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188 |
} |
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189 |
|
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template <class TVal> bool RefHash3KeysIdPool<TVal>:: |
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containsKey(const void* const key1, const int key2, const int key3) const |
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192 |
{ |
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unsigned int hashVal; |
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const RefHash3KeysTableBucketElem<TVal>* findIt = findBucketElem(key1, key2, key3, hashVal); |
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return (findIt != 0); |
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196 |
} |
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197 |
|
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template <class TVal> void RefHash3KeysIdPool<TVal>::removeAll() |
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199 |
{ |
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if (fIdCounter == 0) return; |
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201 |
|
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// Clean up the buckets first |
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for (unsigned int buckInd = 0; buckInd < fHashModulus; buckInd++) |
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204 |
{ |
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205 |
// Get the bucket list head for this entry |
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RefHash3KeysTableBucketElem<TVal>* curElem = fBucketList[buckInd]; |
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RefHash3KeysTableBucketElem<TVal>* nextElem; |
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while (curElem) |
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209 |
{ |
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// Save the next element before we hose this one |
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nextElem = curElem->fNext; |
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212 |
|
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// If we adopted the data, then delete it too |
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// (Note: the userdata hash table instance has data type of void *. |
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// This will generate compiler warnings here on some platforms, but they |
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// can be ignored since fAdoptedElements is false. |
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if (fAdoptedElems) |
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delete curElem->fData; |
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219 |
|
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// Then delete the current element and move forward |
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// delete curElem; |
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// destructor is empty... |
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// curElem->~RefHash3KeysTableBucketElem(); |
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fMemoryManager->deallocate(curElem); |
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curElem = nextElem; |
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226 |
} |
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227 |
|
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// Clean out this entry |
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fBucketList[buckInd] = 0; |
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230 |
} |
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231 |
|
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// Reset the id counter |
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fIdCounter = 0; |
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234 |
} |
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235 |
|
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236 |
|
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// --------------------------------------------------------------------------- |
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// RefHash3KeysIdPool: Getters |
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// --------------------------------------------------------------------------- |
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template <class TVal> TVal* |
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241 |
RefHash3KeysIdPool<TVal>::getByKey(const void* const key1, const int key2, const int key3) |
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242 |
{ |
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unsigned int hashVal; |
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RefHash3KeysTableBucketElem<TVal>* findIt = findBucketElem(key1, key2, key3, hashVal); |
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if (!findIt) |
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return 0; |
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return findIt->fData; |
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} |
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249 |
|
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template <class TVal> const TVal* |
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RefHash3KeysIdPool<TVal>::getByKey(const void* const key1, const int key2, const int key3) const |
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252 |
{ |
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unsigned int hashVal; |
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const RefHash3KeysTableBucketElem<TVal>* findIt = findBucketElem(key1, key2, key3, hashVal); |
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if (!findIt) |
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return 0; |
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return findIt->fData; |
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} |
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259 |
|
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template <class TVal> TVal* |
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RefHash3KeysIdPool<TVal>::getById(const unsigned int elemId) |
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262 |
{ |
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// If its either zero or beyond our current id, its an error |
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if (!elemId || (elemId > fIdCounter)) |
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ThrowXMLwithMemMgr(IllegalArgumentException, XMLExcepts::Pool_InvalidId, fMemoryManager); |
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266 |
|
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return fIdPtrs[elemId]; |
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268 |
} |
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269 |
|
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270 |
template <class TVal> const TVal* |
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RefHash3KeysIdPool<TVal>::getById(const unsigned int elemId) const |
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272 |
{ |
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// If its either zero or beyond our current id, its an error |
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if (!elemId || (elemId > fIdCounter)) |
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ThrowXMLwithMemMgr(IllegalArgumentException, XMLExcepts::Pool_InvalidId, fMemoryManager); |
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276 |
|
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return fIdPtrs[elemId]; |
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278 |
} |
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279 |
|
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template <class TVal> |
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MemoryManager* RefHash3KeysIdPool<TVal>::getMemoryManager() const |
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282 |
{ |
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return fMemoryManager; |
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284 |
} |
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285 |
|
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template <class TVal> |
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unsigned int RefHash3KeysIdPool<TVal>::getHashModulus() const |
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288 |
{ |
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return fHashModulus; |
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290 |
} |
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291 |
|
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292 |
// --------------------------------------------------------------------------- |
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293 |
// RefHash3KeysIdPool: Putters |
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// --------------------------------------------------------------------------- |
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template <class TVal> unsigned int |
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RefHash3KeysIdPool<TVal>::put(void* key1, int key2, int key3, TVal* const valueToAdopt) |
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297 |
{ |
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// First see if the key exists already |
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unsigned int hashVal; |
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RefHash3KeysTableBucketElem<TVal>* newBucket = findBucketElem(key1, key2, key3, hashVal); |
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301 |
|
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302 |
// |
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303 |
// If so,then update its value. If not, then we need to add it to |
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// the right bucket |
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305 |
// |
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306 |
if (newBucket) |
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307 |
{ |
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308 |
if (fAdoptedElems) |
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309 |
delete newBucket->fData; |
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|
310 |
newBucket->fData = valueToAdopt; |
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|
311 |
newBucket->fKey1 = key1; |
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|
312 |
newBucket->fKey2 = key2; |
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313 |
newBucket->fKey3 = key3; |
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|
314 |
} |
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315 |
else |
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316 |
{ |
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|
317 |
// Revisit: the gcc compiler 2.95.x is generating an |
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318 |
// internal compiler error message. So we use the default |
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319 |
// memory manager for now. |
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320 |
#if defined (XML_GCC_VERSION) && (XML_GCC_VERSION < 29600) |
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321 |
newBucket = new RefHash3KeysTableBucketElem<TVal>(key1, key2, key3, valueToAdopt, fBucketList[hashVal]); |
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322 |
#else |
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323 |
newBucket = |
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new (fMemoryManager->allocate(sizeof(RefHash3KeysTableBucketElem<TVal>))) |
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|
325 |
RefHash3KeysTableBucketElem<TVal>(key1, key2, key3, valueToAdopt, fBucketList[hashVal]); |
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326 |
#endif |
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fBucketList[hashVal] = newBucket; |
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328 |
} |
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329 |
|
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330 |
// |
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331 |
// Give this new one the next available id and add to the pointer list. |
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332 |
// Expand the list if that is now required. |
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333 |
// |
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|
334 |
if (fIdCounter + 1 == fIdPtrsCount) |
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|
335 |
{ |
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|
336 |
// Create a new count 1.5 times larger and allocate a new array |
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|
337 |
unsigned int newCount = (unsigned int)(fIdPtrsCount * 1.5); |
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|
338 |
TVal** newArray = (TVal**) fMemoryManager->allocate |
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|
339 |
( |
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|
340 |
newCount * sizeof(TVal*) |
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|
341 |
); //new TVal*[newCount]; |
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|
342 |
|
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343 |
// Copy over the old contents to the new array |
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344 |
memcpy(newArray, fIdPtrs, fIdPtrsCount * sizeof(TVal*)); |
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|
345 |
|
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346 |
// Ok, toss the old array and store the new data |
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347 |
fMemoryManager->deallocate(fIdPtrs); //delete [] fIdPtrs; |
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348 |
fIdPtrs = newArray; |
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|
349 |
fIdPtrsCount = newCount; |
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350 |
} |
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|
351 |
const unsigned int retId = ++fIdCounter; |
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352 |
fIdPtrs[retId] = valueToAdopt; |
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|
353 |
|
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|
354 |
// Set the id on the passed element |
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355 |
valueToAdopt->setId(retId); |
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|
356 |
|
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357 |
// Return the id that we gave to this element |
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358 |
return retId; |
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|
359 |
} |
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|
360 |
|
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|
361 |
// --------------------------------------------------------------------------- |
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|
362 |
// RefHash3KeysIdPool: Private methods |
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363 |
// --------------------------------------------------------------------------- |
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|
364 |
template <class TVal> RefHash3KeysTableBucketElem<TVal>* RefHash3KeysIdPool<TVal>:: |
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|
365 |
findBucketElem(const void* const key1, const int key2, const int key3, unsigned int& hashVal) |
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|
366 |
{ |
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|
367 |
// Hash the key |
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|
368 |
hashVal = fHash->getHashVal(key1, fHashModulus, fMemoryManager); |
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|
369 |
assert(hashVal < fHashModulus); |
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|
370 |
|
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|
371 |
// Search that bucket for the key |
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|
372 |
RefHash3KeysTableBucketElem<TVal>* curElem = fBucketList[hashVal]; |
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|
373 |
while (curElem) |
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|
374 |
{ |
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|
375 |
if (key2==curElem->fKey2 && key3==curElem->fKey3 && fHash->equals(key1, curElem->fKey1)) |
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|
376 |
return curElem; |
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|
377 |
|
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|
378 |
curElem = curElem->fNext; |
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|
379 |
} |
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|
380 |
return 0; |
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|
381 |
} |
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|
382 |
|
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|
383 |
template <class TVal> const RefHash3KeysTableBucketElem<TVal>* RefHash3KeysIdPool<TVal>:: |
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|
384 |
findBucketElem(const void* const key1, const int key2, const int key3, unsigned int& hashVal) const |
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|
385 |
{ |
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Revision: 200949
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|
386 |
// Hash the key |
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|
387 |
hashVal = fHash->getHashVal(key1, fHashModulus); |
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|
388 |
assert(hashVal < fHashModulus); |
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|
389 |
|
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|
390 |
// Search that bucket for the key |
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Revision: 200949
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|
391 |
const RefHash3KeysTableBucketElem<TVal>* curElem = fBucketList[hashVal]; |
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|
392 |
while (curElem) |
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Revision: 200949
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|
393 |
{ |
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Revision: 200949
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|
394 |
if (fHash->equals(key1, curElem->fKey1) && (key2==curElem->fKey2) && (key3==curElem->fKey3)) |
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|
395 |
return curElem; |
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|
396 |
|
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|
397 |
curElem = curElem->fNext; |
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Revision: 200949
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|
398 |
} |
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Revision: 200949
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|
399 |
return 0; |
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Revision: 200949
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|
400 |
} |
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|
401 |
|
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Revision: 200949
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|
402 |
|
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|
403 |
// --------------------------------------------------------------------------- |
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Revision: 200949
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changeset
|
404 |
// RefHash3KeysIdPoolEnumerator: Constructors and Destructor |
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Revision: 200949
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|
405 |
// --------------------------------------------------------------------------- |
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|
406 |
template <class TVal> RefHash3KeysIdPoolEnumerator<TVal>:: |
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|
407 |
RefHash3KeysIdPoolEnumerator(RefHash3KeysIdPool<TVal>* const toEnum |
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|
408 |
, const bool adopt |
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Revision: 200949
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|
409 |
, MemoryManager* const manager) |
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Revision: 200949
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|
410 |
: fAdoptedElems(adopt), fCurIndex(0), fToEnum(toEnum), fMemoryManager(manager) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
{ |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
if (!toEnum) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
ThrowXMLwithMemMgr(NullPointerException, XMLExcepts::CPtr_PointerIsZero, fMemoryManager); |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
Reset(); |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
resetKey(); |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
} |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
template <class TVal> RefHash3KeysIdPoolEnumerator<TVal>::~RefHash3KeysIdPoolEnumerator() |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
{ |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
if (fAdoptedElems) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
delete fToEnum; |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
} |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
template <class TVal> RefHash3KeysIdPoolEnumerator<TVal>:: |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
RefHash3KeysIdPoolEnumerator(const RefHash3KeysIdPoolEnumerator<TVal>& toCopy) : |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
XMLEnumerator<TVal>(toCopy) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
, XMemory(toCopy) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
, fAdoptedElems(toCopy.fAdoptedElems) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
, fCurIndex(toCopy.fCurIndex) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
, fToEnum(toCopy.fToEnum) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
, fCurElem(toCopy.fCurElem) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
, fCurHash(toCopy.fCurHash) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
, fMemoryManager(toCopy.fMemoryManager) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
{ |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
} |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
// --------------------------------------------------------------------------- |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
// RefHash3KeysIdPoolEnumerator: Enum interface |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
// --------------------------------------------------------------------------- |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
template <class TVal> bool RefHash3KeysIdPoolEnumerator<TVal>::hasMoreElements() const |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
{ |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
// If our index is zero or past the end, then we are done |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
if (!fCurIndex || (fCurIndex > fToEnum->fIdCounter)) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
return false; |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
return true; |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
} |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
template <class TVal> TVal& RefHash3KeysIdPoolEnumerator<TVal>::nextElement() |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
{ |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
// If our index is zero or past the end, then we are done |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
if (!fCurIndex || (fCurIndex > fToEnum->fIdCounter)) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
ThrowXMLwithMemMgr(NoSuchElementException, XMLExcepts::Enum_NoMoreElements, fMemoryManager); |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
// Return the current element and bump the index |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
return *fToEnum->fIdPtrs[fCurIndex++]; |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
} |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
template <class TVal> void RefHash3KeysIdPoolEnumerator<TVal>::Reset() |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
{ |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
// |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
// Find the next available bucket element in the pool. We use the id |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
// array since its very easy to enumerator through by just maintaining |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
// an index. If the id counter is zero, then its empty and we leave the |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
// current index to zero. |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
// |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
fCurIndex = fToEnum->fIdCounter ? 1:0; |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
} |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
template <class TVal> int RefHash3KeysIdPoolEnumerator<TVal>::size() const |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
{ |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
return fToEnum->fIdCounter; |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
} |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
template <class TVal> void RefHash3KeysIdPoolEnumerator<TVal>::resetKey() |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
{ |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
fCurHash = (unsigned int)-1; |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
fCurElem = 0; |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
findNext(); |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
} |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
template <class TVal> bool RefHash3KeysIdPoolEnumerator<TVal>::hasMoreKeys() const |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
{ |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
// |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
// If our current has is at the max and there are no more elements |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
// in the current bucket, then no more elements. |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
// |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
if (!fCurElem && (fCurHash == fToEnum->fHashModulus)) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
return false; |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
return true; |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
} |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
template <class TVal> void RefHash3KeysIdPoolEnumerator<TVal>::nextElementKey(void*& retKey1, int& retKey2, int& retKey3) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
{ |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
// Make sure we have an element to return |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
if (!hasMoreKeys()) |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
ThrowXMLwithMemMgr(NoSuchElementException, XMLExcepts::Enum_NoMoreElements, fMemoryManager); |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
// |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
// Save the current element, then move up to the next one for the |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
// next time around. |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
// |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
RefHash3KeysTableBucketElem<TVal>* saveElem = fCurElem; |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
findNext(); |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
retKey1 = saveElem->fKey1; |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
retKey2 = saveElem->fKey2; |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
retKey3 = saveElem->fKey3; |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
|
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
return; |
ba25891c3a9e
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
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} |
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|
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template <class TVal> void RefHash3KeysIdPoolEnumerator<TVal>::findNext() |
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{ |
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// |
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// If there is a current element, move to its next element. If this |
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// hits the end of the bucket, the next block will handle the rest. |
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// |
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if (fCurElem) |
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fCurElem = fCurElem->fNext; |
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|
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// |
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// If the current element is null, then we have to move up to the |
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// next hash value. If that is the hash modulus, then we cannot |
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// go further. |
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// |
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if (!fCurElem) |
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{ |
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fCurHash++; |
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if (fCurHash == fToEnum->fHashModulus) |
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return; |
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|
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// Else find the next non-empty bucket |
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while (fToEnum->fBucketList[fCurHash]==0) |
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{ |
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// Bump to the next hash value. If we max out return |
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fCurHash++; |
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if (fCurHash == fToEnum->fHashModulus) |
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return; |
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} |
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fCurElem = fToEnum->fBucketList[fCurHash]; |
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} |
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} |
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|
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XERCES_CPP_NAMESPACE_END |