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/*
* Copyright (c) 2003 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.html2;
import org.w3c.dom.Node;
/**
* An <code>HTMLCollection</code> is a list of nodes. An individual node may
* be accessed by either ordinal index or the node's <code>name</code> or
* <code>id</code> attributes. Collections in the HTML DOM are assumed to be
* live meaning that they are automatically updated when the underlying
* document is changed.
* <p>See also the <a href='http://www.w3.org/TR/2003/REC-DOM-Level-2-HTML-20030109'>Document Object Model (DOM) Level 2 HTML Specification</a>.
*/
public interface HTMLCollection {
/**
* This attribute specifies the length or size of the list.
*/
public int getLength();
/**
* This method retrieves a node specified by ordinal index. Nodes are
* numbered in tree order (depth-first traversal order).
* @param index The index of the node to be fetched. The index origin is
* <code>0</code>.
* @return The <code>Node</code> at the corresponding position upon
* success. A value of <code>null</code> is returned if the index is
* out of range.
*/
public Node item(int index);
/**
* This method retrieves a <code>Node</code> using a name. With [<a href='http://www.w3.org/TR/1999/REC-html401-19991224'>HTML 4.01</a>]
* documents, it first searches for a <code>Node</code> with a matching
* <code>id</code> attribute. If it doesn't find one, it then searches
* for a <code>Node</code> with a matching <code>name</code> attribute,
* but only on those elements that are allowed a name attribute. With [<a href='http://www.w3.org/TR/2002/REC-xhtml1-20020801'>XHTML 1.0</a>]
* documents, this method only searches for <code>Nodes</code> with a
* matching <code>id</code> attribute. This method is case insensitive
* in HTML documents and case sensitive in XHTML documents.
* @param name The name of the <code>Node</code> to be fetched.
* @return The <code>Node</code> with a <code>name</code> or
* <code>id</code> attribute whose value corresponds to the specified
* string. Upon failure (e.g., no node with this name exists), returns
* <code>null</code>.
*/
public Node namedItem(String name);
}
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