123 lines
4.0 KiB
C++
123 lines
4.0 KiB
C++
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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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* $Id: DOMNodeIteratorImpl.hpp 671894 2008-06-26 13:29:21Z borisk $
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*/
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#if !defined(XERCESC_INCLUDE_GUARD_DOMNODEITERATORIMPL_HPP)
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#define XERCESC_INCLUDE_GUARD_DOMNODEITERATORIMPL_HPP
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//
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// This file is part of the internal implementation of the C++ XML DOM.
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// It should NOT be included or used directly by application programs.
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//
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// Applications should include the file <xercesc/dom/DOM.hpp> for the entire
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// DOM API, or xercesc/dom/DOM*.hpp for individual DOM classes, where the class
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// name is substituded for the *.
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//
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//////////////////////////////////////////////////////////////////////
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// DOMNodeIteratorImpl.hpp: interface for the DOMNodeIteratorImpl class.
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//
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//////////////////////////////////////////////////////////////////////
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#include <xercesc/dom/DOMNode.hpp>
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#include <xercesc/dom/DOMNodeIterator.hpp>
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XERCES_CPP_NAMESPACE_BEGIN
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class CDOM_EXPORT DOMNodeIteratorImpl : public DOMNodeIterator {
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protected:
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//
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// Data
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//
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// The root.
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DOMNode* fRoot;
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// The Document used to create this iterator
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DOMDocument* fDocument;
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// The whatToShow mask.
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DOMNodeFilter::ShowType fWhatToShow;
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// The NodeFilter reference.
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DOMNodeFilter* fNodeFilter;
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// The expandEntity reference flag.
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bool fExpandEntityReferences;
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bool fDetached;
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//
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// Iterator state - current node and direction.
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//
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// Note: The current node and direction are sufficient to implement
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// the desired behaviour of the current pointer being _between_
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// two nodes. The fCurrentNode is actually the last node returned,
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// and the
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// direction is whether the pointer is in front or behind this node.
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// (usually akin to whether the node was returned via nextNode())
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// (eg fForward = true) or previousNode() (eg fForward = false).
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// The last Node returned.
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DOMNode* fCurrentNode;
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// The direction of the iterator on the fCurrentNode.
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// <code>
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// nextNode() == fForward = true;<br>
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// previousNode() == fForward = false;<br>
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// </code>
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bool fForward;
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public:
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virtual ~DOMNodeIteratorImpl ();
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DOMNodeIteratorImpl (
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DOMDocument* fDocument,
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DOMNode* root,
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DOMNodeFilter::ShowType whatToShow,
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DOMNodeFilter* nodeFilter,
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bool expandEntityRef);
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DOMNodeIteratorImpl ( const DOMNodeIteratorImpl& toCopy);
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DOMNodeIteratorImpl& operator= (const DOMNodeIteratorImpl& other);
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virtual DOMNode* getRoot ();
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virtual DOMNodeFilter::ShowType getWhatToShow ();
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virtual DOMNodeFilter* getFilter ();
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// Get the expandEntity reference flag.
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virtual bool getExpandEntityReferences();
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virtual DOMNode* nextNode ();
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virtual DOMNode* previousNode ();
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virtual void detach ();
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virtual void release();
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void removeNode (DOMNode* node);
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protected:
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DOMNode* matchNodeOrParent (DOMNode* node);
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DOMNode* nextNode (DOMNode* node, bool visitChildren);
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DOMNode* previousNode (DOMNode* node);
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bool acceptNode (DOMNode* node);
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};
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XERCES_CPP_NAMESPACE_END
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#endif
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