mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-30 10:24:52 +08:00
91 lines
4.8 KiB
Java
91 lines
4.8 KiB
Java
/*
|
|
* 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;
|
|
|
|
}
|