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-rw-r--r--gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/DocumentTraversal.java93
-rw-r--r--gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/NodeFilter.java144
-rw-r--r--gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/NodeIterator.java109
-rw-r--r--gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/TreeWalker.java179
4 files changed, 525 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/DocumentTraversal.java b/gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/DocumentTraversal.java
new file mode 100644
index 000000000..bc45ad9f7
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/DocumentTraversal.java
@@ -0,0 +1,93 @@
+/*
+ * 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
+ * <code>NodeIterators</code> and <code>TreeWalkers</code> 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 root The node which will be iterated together with its
+ * children. The <code>NodeIterator</code> 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 whatToShow This flag specifies which node types may appear in
+ * the logical view of the tree presented by the
+ * <code>NodeIterator</code>. 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 filter The <code>NodeFilter</code> to be used with this
+ * <code>NodeIterator</code>, or <code>null</code> to indicate no
+ * filter.
+ * @param entityReferenceExpansion The 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 root The 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 whatToShow This flag specifies which node types may appear in
+ * the logical view of the tree presented by the
+ * <code>TreeWalker</code>. 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 filter The <code>NodeFilter</code> to be used with this
+ * <code>TreeWalker</code>, or <code>null</code> to indicate no filter.
+ * @param entityReferenceExpansion If 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;
+
+}
diff --git a/gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/NodeFilter.java b/gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/NodeFilter.java
new file mode 100644
index 000000000..b9beac476
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/NodeFilter.java
@@ -0,0 +1,144 @@
+/*
+ * 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;
+
+/**
+ * Filters are objects that know how to "filter out" nodes. If a
+ * <code>NodeIterator</code> or <code>TreeWalker</code> is given a
+ * <code>NodeFilter</code>, it applies the filter before it returns the next
+ * node. If the filter says to accept the node, the traversal logic returns
+ * it; otherwise, traversal looks for the next node and pretends that the
+ * node that was rejected was not there.
+ * <p>The DOM does not provide any filters. <code>NodeFilter</code> is just an
+ * interface that users can implement to provide their own filters.
+ * <p><code>NodeFilters</code> do not need to know how to traverse from node
+ * to node, nor do they need to know anything about the data structure that
+ * is being traversed. This makes it very easy to write filters, since the
+ * only thing they have to know how to do is evaluate a single node. One
+ * filter may be used with a number of different kinds of traversals,
+ * encouraging code reuse.
+ * <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 NodeFilter {
+ // Constants returned by acceptNode
+ /**
+ * Accept the node. Navigation methods defined for
+ * <code>NodeIterator</code> or <code>TreeWalker</code> will return this
+ * node.
+ */
+ public static final short FILTER_ACCEPT = 1;
+ /**
+ * Reject the node. Navigation methods defined for
+ * <code>NodeIterator</code> or <code>TreeWalker</code> will not return
+ * this node. For <code>TreeWalker</code>, the children of this node
+ * will also be rejected. <code>NodeIterators</code> treat this as a
+ * synonym for <code>FILTER_SKIP</code>.
+ */
+ public static final short FILTER_REJECT = 2;
+ /**
+ * Skip this single node. Navigation methods defined for
+ * <code>NodeIterator</code> or <code>TreeWalker</code> will not return
+ * this node. For both <code>NodeIterator</code> and
+ * <code>TreeWalker</code>, the children of this node will still be
+ * considered.
+ */
+ public static final short FILTER_SKIP = 3;
+
+ // Constants for whatToShow
+ /**
+ * Show all <code>Nodes</code>.
+ */
+ public static final int SHOW_ALL = 0xFFFFFFFF;
+ /**
+ * Show <code>Element</code> nodes.
+ */
+ public static final int SHOW_ELEMENT = 0x00000001;
+ /**
+ * Show <code>Attr</code> nodes. This is meaningful only when creating an
+ * <code>NodeIterator</code> or <code>TreeWalker</code> with an
+ * attribute node as its <code>root</code>; in this case, it means that
+ * the attribute node will appear in the first position of the iteration
+ * or traversal. Since attributes are never children of other nodes,
+ * they do not appear when traversing over the document tree.
+ */
+ public static final int SHOW_ATTRIBUTE = 0x00000002;
+ /**
+ * Show <code>Text</code> nodes.
+ */
+ public static final int SHOW_TEXT = 0x00000004;
+ /**
+ * Show <code>CDATASection</code> nodes.
+ */
+ public static final int SHOW_CDATA_SECTION = 0x00000008;
+ /**
+ * Show <code>EntityReference</code> nodes.
+ */
+ public static final int SHOW_ENTITY_REFERENCE = 0x00000010;
+ /**
+ * Show <code>Entity</code> nodes. This is meaningful only when creating
+ * an <code>NodeIterator</code> or <code>TreeWalker</code> with an
+ * <code>Entity</code> node as its <code>root</code>; in this case, it
+ * means that the <code>Entity</code> node will appear in the first
+ * position of the traversal. Since entities are not part of the
+ * document tree, they do not appear when traversing over the document
+ * tree.
+ */
+ public static final int SHOW_ENTITY = 0x00000020;
+ /**
+ * Show <code>ProcessingInstruction</code> nodes.
+ */
+ public static final int SHOW_PROCESSING_INSTRUCTION = 0x00000040;
+ /**
+ * Show <code>Comment</code> nodes.
+ */
+ public static final int SHOW_COMMENT = 0x00000080;
+ /**
+ * Show <code>Document</code> nodes.
+ */
+ public static final int SHOW_DOCUMENT = 0x00000100;
+ /**
+ * Show <code>DocumentType</code> nodes.
+ */
+ public static final int SHOW_DOCUMENT_TYPE = 0x00000200;
+ /**
+ * Show <code>DocumentFragment</code> nodes.
+ */
+ public static final int SHOW_DOCUMENT_FRAGMENT = 0x00000400;
+ /**
+ * Show <code>Notation</code> nodes. This is meaningful only when creating
+ * an <code>NodeIterator</code> or <code>TreeWalker</code> with a
+ * <code>Notation</code> node as its <code>root</code>; in this case, it
+ * means that the <code>Notation</code> node will appear in the first
+ * position of the traversal. Since notations are not part of the
+ * document tree, they do not appear when traversing over the document
+ * tree.
+ */
+ public static final int SHOW_NOTATION = 0x00000800;
+
+ /**
+ * Test whether a specified node is visible in the logical view of a
+ * <code>TreeWalker</code> or <code>NodeIterator</code>. This function
+ * will be called by the implementation of <code>TreeWalker</code> and
+ * <code>NodeIterator</code>; it is not normally called directly from
+ * user code. (Though you could do so if you wanted to use the same
+ * filter to guide your own application logic.)
+ * @param n The node to check to see if it passes the filter or not.
+ * @return A constant to determine whether the node is accepted,
+ * rejected, or skipped, as defined above.
+ */
+ public short acceptNode(Node n);
+
+}
diff --git a/gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/NodeIterator.java b/gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/NodeIterator.java
new file mode 100644
index 000000000..d1f0d0839
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/NodeIterator.java
@@ -0,0 +1,109 @@
+/*
+ * 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>NodeIterators</code> are used to step through a set of nodes, e.g.
+ * the set of nodes in a <code>NodeList</code>, the document subtree
+ * governed by a particular <code>Node</code>, the results of a query, or
+ * any other set of nodes. The set of nodes to be iterated is determined by
+ * the implementation of the <code>NodeIterator</code>. DOM Level 2
+ * specifies a single <code>NodeIterator</code> implementation for
+ * document-order traversal of a document subtree. Instances of these
+ * <code>NodeIterators</code> are created by calling
+ * <code>DocumentTraversal</code><code>.createNodeIterator()</code>.
+ * <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 NodeIterator {
+ /**
+ * The root node of the <code>NodeIterator</code>, as specified when it
+ * was created.
+ */
+ public Node getRoot();
+
+ /**
+ * This attribute determines which node types are presented via the
+ * <code>NodeIterator</code>. The available set of constants is defined
+ * in the <code>NodeFilter</code> interface. Nodes not accepted by
+ * <code>whatToShow</code> will be skipped, but their children may still
+ * be considered. Note that this skip takes precedence over the filter,
+ * if any.
+ */
+ public int getWhatToShow();
+
+ /**
+ * The <code>NodeFilter</code> used to screen nodes.
+ */
+ public NodeFilter getFilter();
+
+ /**
+ * The value of this flag determines whether the children of entity
+ * reference nodes are visible to the <code>NodeIterator</code>. If
+ * false, these children and their descendants will be rejected. Note
+ * that this rejection takes precedence over <code>whatToShow</code> and
+ * the filter. Also note that this is currently the only situation where
+ * <code>NodeIterators</code> may reject a complete subtree rather than
+ * skipping individual nodes.
+ * <br>
+ * <br> To produce a view of the document that has entity references
+ * expanded and does not expose the entity reference node itself, use
+ * the <code>whatToShow</code> flags to hide the entity reference node
+ * and set <code>expandEntityReferences</code> to true when creating the
+ * <code>NodeIterator</code>. To produce a view of the document that has
+ * entity reference nodes but no entity expansion, use the
+ * <code>whatToShow</code> flags to show the entity reference node and
+ * set <code>expandEntityReferences</code> to false.
+ */
+ public boolean getExpandEntityReferences();
+
+ /**
+ * Returns the next node in the set and advances the position of the
+ * <code>NodeIterator</code> in the set. After a
+ * <code>NodeIterator</code> is created, the first call to
+ * <code>nextNode()</code> returns the first node in the set.
+ * @return The next <code>Node</code> in the set being iterated over, or
+ * <code>null</code> if there are no more members in that set.
+ * @exception DOMException
+ * INVALID_STATE_ERR: Raised if this method is called after the
+ * <code>detach</code> method was invoked.
+ */
+ public Node nextNode()
+ throws DOMException;
+
+ /**
+ * Returns the previous node in the set and moves the position of the
+ * <code>NodeIterator</code> backwards in the set.
+ * @return The previous <code>Node</code> in the set being iterated over,
+ * or <code>null</code> if there are no more members in that set.
+ * @exception DOMException
+ * INVALID_STATE_ERR: Raised if this method is called after the
+ * <code>detach</code> method was invoked.
+ */
+ public Node previousNode()
+ throws DOMException;
+
+ /**
+ * Detaches the <code>NodeIterator</code> from the set which it iterated
+ * over, releasing any computational resources and placing the
+ * <code>NodeIterator</code> in the INVALID state. After
+ * <code>detach</code> has been invoked, calls to <code>nextNode</code>
+ * or <code>previousNode</code> will raise the exception
+ * INVALID_STATE_ERR.
+ */
+ public void detach();
+
+}
diff --git a/gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/TreeWalker.java b/gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/TreeWalker.java
new file mode 100644
index 000000000..f5fff86be
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/external/w3c_dom/org/w3c/dom/traversal/TreeWalker.java
@@ -0,0 +1,179 @@
+/*
+ * 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>TreeWalker</code> objects are used to navigate a document tree or
+ * subtree using the view of the document defined by their
+ * <code>whatToShow</code> flags and filter (if any). Any function which
+ * performs navigation using a <code>TreeWalker</code> will automatically
+ * support any view defined by a <code>TreeWalker</code>.
+ * <p>Omitting nodes from the logical view of a subtree can result in a
+ * structure that is substantially different from the same subtree in the
+ * complete, unfiltered document. Nodes that are siblings in the
+ * <code>TreeWalker</code> view may be children of different, widely
+ * separated nodes in the original view. For instance, consider a
+ * <code>NodeFilter</code> that skips all nodes except for Text nodes and
+ * the root node of a document. In the logical view that results, all text
+ * nodes will be siblings and appear as direct children of the root node, no
+ * matter how deeply nested the structure of the original document.
+ * <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 TreeWalker {
+ /**
+ * The <code>root</code> node of the <code>TreeWalker</code>, as specified
+ * when it was created.
+ */
+ public Node getRoot();
+
+ /**
+ * This attribute determines which node types are presented via the
+ * <code>TreeWalker</code>. The available set of constants is defined in
+ * the <code>NodeFilter</code> interface. Nodes not accepted by
+ * <code>whatToShow</code> will be skipped, but their children may still
+ * be considered. Note that this skip takes precedence over the filter,
+ * if any.
+ */
+ public int getWhatToShow();
+
+ /**
+ * The filter used to screen nodes.
+ */
+ public NodeFilter getFilter();
+
+ /**
+ * The value of this flag determines whether the children of entity
+ * reference nodes are visible to the <code>TreeWalker</code>. If false,
+ * these children and their descendants will be rejected. Note that
+ * this rejection takes precedence over <code>whatToShow</code> and the
+ * filter, if any.
+ * <br> To produce a view of the document that has entity references
+ * expanded and does not expose the entity reference node itself, use
+ * the <code>whatToShow</code> flags to hide the entity reference node
+ * and set <code>expandEntityReferences</code> to true when creating the
+ * <code>TreeWalker</code>. To produce a view of the document that has
+ * entity reference nodes but no entity expansion, use the
+ * <code>whatToShow</code> flags to show the entity reference node and
+ * set <code>expandEntityReferences</code> to false.
+ */
+ public boolean getExpandEntityReferences();
+
+ /**
+ * The node at which the <code>TreeWalker</code> is currently positioned.
+ * <br>Alterations to the DOM tree may cause the current node to no longer
+ * be accepted by the <code>TreeWalker</code>'s associated filter.
+ * <code>currentNode</code> may also be explicitly set to any node,
+ * whether or not it is within the subtree specified by the
+ * <code>root</code> node or would be accepted by the filter and
+ * <code>whatToShow</code> flags. Further traversal occurs relative to
+ * <code>currentNode</code> even if it is not part of the current view,
+ * by applying the filters in the requested direction; if no traversal
+ * is possible, <code>currentNode</code> is not changed.
+ */
+ public Node getCurrentNode();
+ /**
+ * The node at which the <code>TreeWalker</code> is currently positioned.
+ * <br>Alterations to the DOM tree may cause the current node to no longer
+ * be accepted by the <code>TreeWalker</code>'s associated filter.
+ * <code>currentNode</code> may also be explicitly set to any node,
+ * whether or not it is within the subtree specified by the
+ * <code>root</code> node or would be accepted by the filter and
+ * <code>whatToShow</code> flags. Further traversal occurs relative to
+ * <code>currentNode</code> even if it is not part of the current view,
+ * by applying the filters in the requested direction; if no traversal
+ * is possible, <code>currentNode</code> is not changed.
+ * @exception DOMException
+ * NOT_SUPPORTED_ERR: Raised if an attempt is made to set
+ * <code>currentNode</code> to <code>null</code>.
+ */
+ public void setCurrentNode(Node currentNode)
+ throws DOMException;
+
+ /**
+ * Moves to and returns the closest visible ancestor node of the current
+ * node. If the search for <code>parentNode</code> attempts to step
+ * upward from the <code>TreeWalker</code>'s <code>root</code> node, or
+ * if it fails to find a visible ancestor node, this method retains the
+ * current position and returns <code>null</code>.
+ * @return The new parent node, or <code>null</code> if the current node
+ * has no parent in the <code>TreeWalker</code>'s logical view.
+ */
+ public Node parentNode();
+
+ /**
+ * Moves the <code>TreeWalker</code> to the first visible child of the
+ * current node, and returns the new node. If the current node has no
+ * visible children, returns <code>null</code>, and retains the current
+ * node.
+ * @return The new node, or <code>null</code> if the current node has no
+ * visible children in the <code>TreeWalker</code>'s logical view.
+ */
+ public Node firstChild();
+
+ /**
+ * Moves the <code>TreeWalker</code> to the last visible child of the
+ * current node, and returns the new node. If the current node has no
+ * visible children, returns <code>null</code>, and retains the current
+ * node.
+ * @return The new node, or <code>null</code> if the current node has no
+ * children in the <code>TreeWalker</code>'s logical view.
+ */
+ public Node lastChild();
+
+ /**
+ * Moves the <code>TreeWalker</code> to the previous sibling of the
+ * current node, and returns the new node. If the current node has no
+ * visible previous sibling, returns <code>null</code>, and retains the
+ * current node.
+ * @return The new node, or <code>null</code> if the current node has no
+ * previous sibling. in the <code>TreeWalker</code>'s logical view.
+ */
+ public Node previousSibling();
+
+ /**
+ * Moves the <code>TreeWalker</code> to the next sibling of the current
+ * node, and returns the new node. If the current node has no visible
+ * next sibling, returns <code>null</code>, and retains the current node.
+ * @return The new node, or <code>null</code> if the current node has no
+ * next sibling. in the <code>TreeWalker</code>'s logical view.
+ */
+ public Node nextSibling();
+
+ /**
+ * Moves the <code>TreeWalker</code> to the previous visible node in
+ * document order relative to the current node, and returns the new
+ * node. If the current node has no previous node, or if the search for
+ * <code>previousNode</code> attempts to step upward from the
+ * <code>TreeWalker</code>'s <code>root</code> node, returns
+ * <code>null</code>, and retains the current node.
+ * @return The new node, or <code>null</code> if the current node has no
+ * previous node in the <code>TreeWalker</code>'s logical view.
+ */
+ public Node previousNode();
+
+ /**
+ * Moves the <code>TreeWalker</code> to the next visible node in document
+ * order relative to the current node, and returns the new node. If the
+ * current node has no next node, or if the search for nextNode attempts
+ * to step upward from the <code>TreeWalker</code>'s <code>root</code>
+ * node, returns <code>null</code>, and retains the current node.
+ * @return The new node, or <code>null</code> if the current node has no
+ * next node in the <code>TreeWalker</code>'s logical view.
+ */
+ public Node nextNode();
+
+}