153 lines
5.2 KiB
C++
153 lines
5.2 KiB
C++
/*
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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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* $Id: RefStackOf.hpp 676911 2008-07-15 13:27:32Z amassari $
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*/
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#if !defined(XERCESC_INCLUDE_GUARD_REFSTACKOF_HPP)
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#define XERCESC_INCLUDE_GUARD_REFSTACKOF_HPP
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#include <xercesc/util/RefVectorOf.hpp>
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#include <xercesc/util/EmptyStackException.hpp>
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XERCES_CPP_NAMESPACE_BEGIN
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//
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// Forward declare the enumerator so he can be our friend. Can you say
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// friend? Sure...
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//
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template <class TElem> class RefStackEnumerator;
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template <class TElem> class RefStackOf : public XMemory
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{
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public :
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// -----------------------------------------------------------------------
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// Constructors and Destructor
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// -----------------------------------------------------------------------
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RefStackOf(const XMLSize_t initElems,
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const bool adoptElems = true,
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MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
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~RefStackOf();
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// -----------------------------------------------------------------------
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// Element management methods
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// -----------------------------------------------------------------------
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const TElem* elementAt(const XMLSize_t index) const;
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TElem* popAt(const XMLSize_t index);
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void push(TElem* const toPush);
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const TElem* peek() const;
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TElem* pop();
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void removeAllElements();
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// -----------------------------------------------------------------------
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// Getter methods
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// -----------------------------------------------------------------------
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bool empty();
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XMLSize_t curCapacity();
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XMLSize_t size();
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private :
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// -----------------------------------------------------------------------
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// Declare our friends
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// -----------------------------------------------------------------------
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friend class RefStackEnumerator<TElem>;
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// -----------------------------------------------------------------------
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// Unimplemented constructors and operators
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// -----------------------------------------------------------------------
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RefStackOf(const RefStackOf<TElem>&);
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RefStackOf<TElem>& operator=(const RefStackOf<TElem>&);
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// -----------------------------------------------------------------------
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// Data Members
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//
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// fVector
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// The vector that is used as the backing data structure for the
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// stack.
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// -----------------------------------------------------------------------
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RefVectorOf<TElem> fVector;
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};
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//
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// An enumerator for a value stack. It derives from the basic enumerator
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// class, so that value stacks can be generically enumerated.
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//
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template <class TElem> class RefStackEnumerator : public XMLEnumerator<TElem>, public XMemory
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{
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public :
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// -----------------------------------------------------------------------
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// Constructors and Destructor
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// -----------------------------------------------------------------------
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RefStackEnumerator
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(
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RefStackOf<TElem>* const toEnum
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, const bool adopt = false
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);
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virtual ~RefStackEnumerator();
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// -----------------------------------------------------------------------
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// Enum interface
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// -----------------------------------------------------------------------
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bool hasMoreElements() const;
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TElem& nextElement();
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void Reset();
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private :
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// -----------------------------------------------------------------------
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// Unimplemented constructors and operators
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// -----------------------------------------------------------------------
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RefStackEnumerator(const RefStackEnumerator<TElem>&);
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RefStackEnumerator<TElem>& operator=(const RefStackEnumerator<TElem>&);
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// -----------------------------------------------------------------------
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// Data Members
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//
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// fAdopted
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// Indicates whether we have adopted the passed stack. If so then
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// we delete the stack when we are destroyed.
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//
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// fCurIndex
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// This is the current index into the vector inside the stack being
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// enumerated.
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//
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// fToEnum
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// The stack that is being enumerated. This is just kept for
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// adoption purposes, since we really are enumerating the vector
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// inside of it.
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// -----------------------------------------------------------------------
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bool fAdopted;
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XMLSize_t fCurIndex;
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RefVectorOf<TElem>* fVector;
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RefStackOf<TElem>* fToEnum;
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};
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XERCES_CPP_NAMESPACE_END
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#if !defined(XERCES_TMPLSINC)
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#include <xercesc/util/RefStackOf.c>
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#endif
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#endif
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