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-/*
- * Copyright (c) 2000 World Wide Web Consortium,
- * (Massachusetts Institute of Technology, Institut National de
- * Recherche en Informatique et en Automatique, Keio University). All
- * Rights Reserved. This program is distributed under the W3C's Software
- * Intellectual Property License. This program is distributed in the
- * hope that it will be useful, but WITHOUT ANY WARRANTY; without even
- * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE.
- * See W3C License http://www.w3.org/Consortium/Legal/ for more details.
- */
-
-package org.w3c.dom.traversal;
-
-import org.w3c.dom.Node;
-import org.w3c.dom.DOMException;
-
-/**
- * <code>DocumentTraversal</code> contains methods that create iterators and
- * tree-walkers to traverse a node and its children in document order (depth
- * first, pre-order traversal, which is equivalent to the order in which the
- * start tags occur in the text representation of the document). In DOMs
- * which support the Traversal feature, <code>DocumentTraversal</code> will
- * be implemented by the same objects that implement the Document interface.
- * <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Traversal-Range-20001113'>Document Object Model (DOM) Level 2 Traversal and Range Specification</a>.
- * @since DOM Level 2
- */
-public interface DocumentTraversal {
- /**
- * Create a new <code>NodeIterator</code> over the subtree rooted at the
- * specified node.
- * @param rootThe node which will be iterated together with its children.
- * The iterator is initially positioned just before this node. The
- * <code>whatToShow</code> flags and the filter, if any, are not
- * considered when setting this position. The root must not be
- * <code>null</code>.
- * @param whatToShowThis flag specifies which node types may appear in
- * the logical view of the tree presented by the iterator. See the
- * description of <code>NodeFilter</code> for the set of possible
- * <code>SHOW_</code> values.These flags can be combined using
- * <code>OR</code>.
- * @param filterThe <code>NodeFilter</code> to be used with this
- * <code>TreeWalker</code>, or <code>null</code> to indicate no filter.
- * @param entityReferenceExpansionThe value of this flag determines
- * whether entity reference nodes are expanded.
- * @return The newly created <code>NodeIterator</code>.
- * @exception DOMException
- * NOT_SUPPORTED_ERR: Raised if the specified <code>root</code> is
- * <code>null</code>.
- */
- public NodeIterator createNodeIterator(Node root,
- int whatToShow,
- NodeFilter filter,
- boolean entityReferenceExpansion)
- throws DOMException;
-
- /**
- * Create a new <code>TreeWalker</code> over the subtree rooted at the
- * specified node.
- * @param rootThe node which will serve as the <code>root</code> for the
- * <code>TreeWalker</code>. The <code>whatToShow</code> flags and the
- * <code>NodeFilter</code> are not considered when setting this value;
- * any node type will be accepted as the <code>root</code>. The
- * <code>currentNode</code> of the <code>TreeWalker</code> is
- * initialized to this node, whether or not it is visible. The
- * <code>root</code> functions as a stopping point for traversal
- * methods that look upward in the document structure, such as
- * <code>parentNode</code> and nextNode. The <code>root</code> must
- * not be <code>null</code>.
- * @param whatToShowThis flag specifies which node types may appear in
- * the logical view of the tree presented by the tree-walker. See the
- * description of <code>NodeFilter</code> for the set of possible
- * SHOW_ values.These flags can be combined using <code>OR</code>.
- * @param filterThe <code>NodeFilter</code> to be used with this
- * <code>TreeWalker</code>, or <code>null</code> to indicate no filter.
- * @param entityReferenceExpansionIf this flag is false, the contents of
- * <code>EntityReference</code> nodes are not presented in the logical
- * view.
- * @return The newly created <code>TreeWalker</code>.
- * @exception DOMException
- * NOT_SUPPORTED_ERR: Raised if the specified <code>root</code> is
- * <code>null</code>.
- */
- public TreeWalker createTreeWalker(Node root,
- int whatToShow,
- NodeFilter filter,
- boolean entityReferenceExpansion)
- throws DOMException;
-
-}