DOMTreeWalkerImpl.hpp
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- #ifndef DOMTreeWalkerImpl_HEADER_GUARD_
- #define DOMTreeWalkerImpl_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: DOMTreeWalkerImpl.hpp,v 1.3 2002/11/04 15:07:34 tng Exp $
- */
- //
- // 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 *.
- //
- #include <xercesc/dom/DOMTreeWalker.hpp>
- XERCES_CPP_NAMESPACE_BEGIN
- class CDOM_EXPORT DOMTreeWalkerImpl : public DOMTreeWalker {
- private:
- // The whatToShow mask.
- unsigned long fWhatToShow;
- // The NodeFilter reference.
- DOMNodeFilter* fNodeFilter;
- // The current Node.
- DOMNode* fCurrentNode;
- // The root Node.
- DOMNode* fRoot;
- // The expandEntity reference flag.
- bool fExpandEntityReferences;
- public:
- // Implementation Note: No state is kept except the data above
- // (fWhatToShow, fNodeFilter, fCurrentNode, fRoot) such that
- // setters could be created for these data values and the
- // implementation will still work.
- /** Public constructor */
- DOMTreeWalkerImpl (
- DOMNode* root,
- unsigned long whatToShow,
- DOMNodeFilter* nodeFilter,
- bool expandEntityRef);
- DOMTreeWalkerImpl (const DOMTreeWalkerImpl& twi);
- DOMTreeWalkerImpl& operator= (const DOMTreeWalkerImpl& twi);
- // Return the root node.
- virtual DOMNode* getRoot ();
- // Return the whatToShow value.
- virtual unsigned long getWhatToShow ();
- // Return the NodeFilter.
- virtual DOMNodeFilter* getFilter ();
-
- // Return the current DOMNode.
- virtual DOMNode* getCurrentNode ();
- // Return the current Node.
- virtual void setCurrentNode (DOMNode* node);
- // Return the parent Node from the current node,
- // after applying filter, whatToshow.
- // If result is not null, set the current Node.
- virtual DOMNode* parentNode ();
- // Return the first child Node from the current node,
- // after applying filter, whatToshow.
- // If result is not null, set the current Node.
- virtual DOMNode* firstChild ();
- // Return the last child Node from the current node,
- // after applying filter, whatToshow.
- // If result is not null, set the current Node.
- virtual DOMNode* lastChild ();
- // Return the previous sibling Node from the current node,
- // after applying filter, whatToshow.
- // If result is not null, set the current Node.
- virtual DOMNode* previousSibling ();
- // Return the next sibling Node from the current node,
- // after applying filter, whatToshow.
- // If result is not null, set the current Node.
- virtual DOMNode* nextSibling ();
- // Return the previous Node from the current node,
- // after applying filter, whatToshow.
- // If result is not null, set the current Node.
- virtual DOMNode* previousNode ();
- // Return the next Node from the current node,
- // after applying filter, whatToshow.
- // If result is not null, set the current Node.
- virtual DOMNode* nextNode ();
- // Get the expandEntity reference flag.
- virtual bool getExpandEntityReferences();
- // release the resource
- virtual void release();
- protected:
- // Internal function.
- // Return the parent Node, from the input node
- // after applying filter, whatToshow.
- // The current node is not consulted or set.
- DOMNode* getParentNode (DOMNode* node);
- // Internal function.
- // Return the nextSibling Node, from the input node
- // after applying filter, whatToshow.
- // The current node is not consulted or set.
- DOMNode* getNextSibling (DOMNode* node);
- // Internal function.
- // Return the previous sibling Node, from the input node
- // after applying filter, whatToshow.
- // The current node is not consulted or set.
- DOMNode* getPreviousSibling (DOMNode* node);
- // Internal function.
- // Return the first child Node, from the input node
- // after applying filter, whatToshow.
- // The current node is not consulted or set.
- DOMNode* getFirstChild (DOMNode* node);
- // Internal function.
- // Return the last child Node, from the input node
- // after applying filter, whatToshow.
- // The current node is not consulted or set.
- DOMNode* getLastChild (DOMNode* node);
- // The node is accepted if it passes the whatToShow and the filter.
- short acceptNode (DOMNode* node);
-
- };
- XERCES_CPP_NAMESPACE_END
- #endif