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#ifndef DOMNodeIteratorImpl_HEADER_GUARD_
#define DOMNodeIteratorImpl_HEADER_GUARD_
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001-2002 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
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* 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) 2001, International
* Business Machines, Inc., http://www.ibm.com . For more information
* on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
/*
* $Id$
*/
//
// This file is part of the internal implementation of the C++ XML DOM.
// It should NOT be included or used directly by application programs.
//
// Applications should include the file <xercesc/dom/DOM.hpp> for the entire
// DOM API, or xercesc/dom/DOM*.hpp for individual DOM classes, where the class
// name is substituded for the *.
//
//////////////////////////////////////////////////////////////////////
// DOMNodeIteratorImpl.hpp: interface for the DOMNodeIteratorImpl class.
//
//////////////////////////////////////////////////////////////////////
#include <xercesc/dom/DOMNode.hpp>
#include <xercesc/dom/DOMNodeIterator.hpp>
class CDOM_EXPORT DOMNodeIteratorImpl : public DOMNodeIterator {
private:
//
// Data
//
// The root.
DOMNode* fRoot;
// The Document used to create this iterator
DOMDocument* fDocument;
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// The whatToShow mask.
unsigned long fWhatToShow;
// The NodeFilter reference.
DOMNodeFilter* fNodeFilter;
// The expandEntity reference flag.
bool fExpandEntityReferences;
bool fDetached;
//
// Iterator state - current node and direction.
//
// Note: The current node and direction are sufficient to implement
// the desired behaviour of the current pointer being _between_
// two nodes. The fCurrentNode is actually the last node returned,
// and the
// direction is whether the pointer is in front or behind this node.
// (usually akin to whether the node was returned via nextNode())
// (eg fForward = true) or previousNode() (eg fForward = false).
// The last Node returned.
DOMNode* fCurrentNode;
// The direction of the iterator on the fCurrentNode.
// <pre>
// nextNode() == fForward = true;
// previousNode() == fForward = false;
// </pre>
bool fForward;
public:
virtual ~DOMNodeIteratorImpl ();
DOMNodeIteratorImpl (
DOMDocument* fDocument,
DOMNode* root,
unsigned long whatToShow,
DOMNodeFilter* nodeFilter,
bool expandEntityRef);
DOMNodeIteratorImpl ( const DOMNodeIteratorImpl& toCopy);
DOMNodeIteratorImpl& operator= (const DOMNodeIteratorImpl& other);
virtual DOMNode* getRoot ();
virtual unsigned long getWhatToShow ();
virtual DOMNodeFilter* getFilter ();
// Get the expandEntity reference flag.
virtual bool getExpandEntityReferences();
virtual DOMNode* nextNode ();
virtual DOMNode* previousNode ();
virtual void detach ();
void removeNode (DOMNode* node);
private:
DOMNode* matchNodeOrParent (DOMNode* node);
DOMNode* nextNode (DOMNode* node, bool visitChildren);
DOMNode* previousNode (DOMNode* node);
bool acceptNode (DOMNode* node);
};