TreeWalkerImpl.hpp
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- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999-2002 The Apache Software Foundation. All rights
- * reserved.
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- * 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.
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- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
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- * 5. Products derived from this software may not be called "Apache",
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- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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- * 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) 1999, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Id: TreeWalkerImpl.hpp,v 1.4 2003/05/15 18:25:53 knoaman 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/deprecated/DOM.hpp> for the entire
- // DOM API, or DOM_*.hpp for individual DOM classes, where the class
- // name is substituded for the *.
- //
- #ifndef TreeWalkerImpl_HEADER_GUARD_
- #define TreeWalkerImpl_HEADER_GUARD_
- #include <xercesc/util/XMemory.hpp>
- #include "DOM_TreeWalker.hpp"
- #include "RefCountedImpl.hpp"
- XERCES_CPP_NAMESPACE_BEGIN
- class CDOM_EXPORT TreeWalkerImpl : public RefCountedImpl {
- 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 */
- TreeWalkerImpl (
- DOM_Node root,
- unsigned long whatToShow,
- DOM_NodeFilter* nodeFilter,
- bool expandEntityRef);
- TreeWalkerImpl (const TreeWalkerImpl& twi);
- TreeWalkerImpl& operator= (const TreeWalkerImpl& twi);
- // Return the root DOM_Node.
- DOM_Node getRoot ();
- // Return the whatToShow value.
- unsigned long getWhatToShow ();
- // Return the NodeFilter.
- DOM_NodeFilter* getFilter ();
-
- // Return the current DOM_Node.
- DOM_Node getCurrentNode ();
- // Return the current Node.
- void setCurrentNode (DOM_Node node);
- // Return the parent Node from the current node,
- // after applying filter, whatToshow.
- // If result is not null, set the current Node.
- DOM_Node parentNode ();
- // Return the first child Node from the current node,
- // after applying filter, whatToshow.
- // If result is not null, set the current Node.
- DOM_Node firstChild ();
- // Return the last child Node from the current node,
- // after applying filter, whatToshow.
- // If result is not null, set the current Node.
- DOM_Node lastChild ();
- // Return the previous sibling Node from the current node,
- // after applying filter, whatToshow.
- // If result is not null, set the current Node.
- DOM_Node previousSibling ();
- // Return the next sibling Node from the current node,
- // after applying filter, whatToshow.
- // If result is not null, set the current Node.
- DOM_Node nextSibling ();
- // Return the previous Node from the current node,
- // after applying filter, whatToshow.
- // If result is not null, set the current Node.
- DOM_Node previousNode ();
- // Return the next Node from the current node,
- // after applying filter, whatToshow.
- // If result is not null, set the current Node.
- DOM_Node nextNode ();
- void unreferenced ();
- // Get the expandEntity reference flag.
- bool getExpandEntityReferences();
- protected:
- // Internal function.
- // Return the parent Node, from the input node
- // after applying filter, whatToshow.
- // The current node is not consulted or set.
- DOM_Node getParentNode (DOM_Node node);
- // Internal function.
- // Return the nextSibling Node, from the input node
- // after applying filter, whatToshow.
- // The current node is not consulted or set.
- DOM_Node getNextSibling (DOM_Node node);
- // Internal function.
- // Return the previous sibling Node, from the input node
- // after applying filter, whatToshow.
- // The current node is not consulted or set.
- DOM_Node getPreviousSibling (DOM_Node node);
- // Internal function.
- // Return the first child Node, from the input node
- // after applying filter, whatToshow.
- // The current node is not consulted or set.
- DOM_Node getFirstChild (DOM_Node node);
- // Internal function.
- // Return the last child Node, from the input node
- // after applying filter, whatToshow.
- // The current node is not consulted or set.
- DOM_Node getLastChild (DOM_Node node);
- // The node is accepted if it passes the whatToShow and the filter.
- short acceptNode (DOM_Node node);
-
- private:
- // The whatToShow mask.
- unsigned long fWhatToShow;
- // The NodeFilter reference.
- DOM_NodeFilter* fNodeFilter;
- // The current Node.
- DOM_Node fCurrentNode;
- // The root Node.
- DOM_Node fRoot;
- // The expandEntity reference flag.
- bool fExpandEntityReferences;
- };
- XERCES_CPP_NAMESPACE_END
- #endif