01 /*
02 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
03 *
04 * This code is free software; you can redistribute it and/or modify it
05 * under the terms of the GNU General Public License version 2 only, as
06 * published by the Free Software Foundation. Sun designates this
07 * particular file as subject to the "Classpath" exception as provided
08 * by Sun in the LICENSE file that accompanied this code.
09 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
22 * have any questions.
23 */
24
25 /*
26 * This file is available under and governed by the GNU General Public
27 * License version 2 only, as published by the Free Software Foundation.
28 * However, the following notice accompanied the original version of this
29 * file and, per its terms, should not be removed:
30 *
31 * Copyright (c) 2000 World Wide Web Consortium,
32 * (Massachusetts Institute of Technology, Institut National de
33 * Recherche en Informatique et en Automatique, Keio University). All
34 * Rights Reserved. This program is distributed under the W3C's Software
35 * Intellectual Property License. This program is distributed in the
36 * hope that it will be useful, but WITHOUT ANY WARRANTY; without even
37 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
38 * PURPOSE.
39 * See W3C License http://www.w3.org/Consortium/Legal/ for more details.
40 */
41
42 package org.w3c.dom.css;
43
44 /**
45 * The <code>CSSValueList</code> interface provides the abstraction of an
46 * ordered collection of CSS values.
47 * <p> Some properties allow an empty list into their syntax. In that case,
48 * these properties take the <code>none</code> identifier. So, an empty list
49 * means that the property has the value <code>none</code>.
50 * <p> The items in the <code>CSSValueList</code> are accessible via an
51 * integral index, starting from 0.
52 * <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Style-20001113'>Document Object Model (DOM) Level 2 Style Specification</a>.
53 * @since DOM Level 2
54 */
55 public interface CSSValueList extends CSSValue {
56 /**
57 * The number of <code>CSSValues</code> in the list. The range of valid
58 * values of the indices is <code>0</code> to <code>length-1</code>
59 * inclusive.
60 */
61 public int getLength();
62
63 /**
64 * Used to retrieve a <code>CSSValue</code> by ordinal index. The order in
65 * this collection represents the order of the values in the CSS style
66 * property. If index is greater than or equal to the number of values
67 * in the list, this returns <code>null</code>.
68 * @param index Index into the collection.
69 * @return The <code>CSSValue</code> at the <code>index</code> position
70 * in the <code>CSSValueList</code>, or <code>null</code> if that is
71 * not a valid index.
72 */
73 public CSSValue item(int index);
74
75 }
|