001: /*
002: * Java HTML Tidy - JTidy
003: * HTML parser and pretty printer
004: *
005: * Copyright (c) 1998-2000 World Wide Web Consortium (Massachusetts
006: * Institute of Technology, Institut National de Recherche en
007: * Informatique et en Automatique, Keio University). All Rights
008: * Reserved.
009: *
010: * Contributing Author(s):
011: *
012: * Dave Raggett <dsr@w3.org>
013: * Andy Quick <ac.quick@sympatico.ca> (translation to Java)
014: * Gary L Peskin <garyp@firstech.com> (Java development)
015: * Sami Lempinen <sami@lempinen.net> (release management)
016: * Fabrizio Giustina <fgiust at users.sourceforge.net>
017: *
018: * The contributing author(s) would like to thank all those who
019: * helped with testing, bug fixes, and patience. This wouldn't
020: * have been possible without all of you.
021: *
022: * COPYRIGHT NOTICE:
023: *
024: * This software and documentation is provided "as is," and
025: * the copyright holders and contributing author(s) make no
026: * representations or warranties, express or implied, including
027: * but not limited to, warranties of merchantability or fitness
028: * for any particular purpose or that the use of the software or
029: * documentation will not infringe any third party patents,
030: * copyrights, trademarks or other rights.
031: *
032: * The copyright holders and contributing author(s) will not be
033: * liable for any direct, indirect, special or consequential damages
034: * arising out of any use of the software or documentation, even if
035: * advised of the possibility of such damage.
036: *
037: * Permission is hereby granted to use, copy, modify, and distribute
038: * this source code, or portions hereof, documentation and executables,
039: * for any purpose, without fee, subject to the following restrictions:
040: *
041: * 1. The origin of this source code must not be misrepresented.
042: * 2. Altered versions must be plainly marked as such and must
043: * not be misrepresented as being the original source.
044: * 3. This Copyright notice may not be removed or altered from any
045: * source or altered source distribution.
046: *
047: * The copyright holders and contributing author(s) specifically
048: * permit, without fee, and encourage the use of this source code
049: * as a component for supporting the Hypertext Markup Language in
050: * commercial products. If you use this source code in a product,
051: * acknowledgment is not required but would be appreciated.
052: *
053: */
054: package org.w3c.tidy;
055:
056: /**
057: * DOMNodeListImpl. The items in the <code>NodeList</code> are accessible via an integral index, starting from 0.
058: * @author Dave Raggett <a href="mailto:dsr@w3.org">dsr@w3.org </a>
059: * @author Andy Quick <a href="mailto:ac.quick@sympatico.ca">ac.quick@sympatico.ca </a> (translation to Java)
060: * @author Fabrizio Giustina
061: * @version $Revision: 1.8 $ ($Author: fgiust $)
062: */
063: public class DOMNodeListImpl implements org.w3c.dom.NodeList {
064:
065: /**
066: * Parent Node.
067: */
068: private Node parent;
069:
070: /**
071: * Instantiates a new DOM node list.
072: * @param parent parent Node
073: */
074: protected DOMNodeListImpl(Node parent) {
075: this .parent = parent;
076: }
077:
078: /**
079: * @see org.w3c.dom.NodeList#item(int)
080: */
081: public org.w3c.dom.Node item(int index) {
082: if (parent == null) {
083: return null;
084: }
085:
086: int i = 0;
087: Node node = this .parent.content;
088: while (node != null) {
089: if (i >= index) {
090: break;
091: }
092: i++;
093: node = node.next;
094: }
095: if (node != null) {
096: return node.getAdapter();
097: }
098:
099: return null;
100: }
101:
102: /**
103: * @see org.w3c.dom.NodeList#getLength
104: */
105: public int getLength() {
106: if (parent == null) {
107: return 0;
108: }
109:
110: int len = 0;
111: Node node = this.parent.content;
112: while (node != null) {
113: len++;
114: node = node.next;
115: }
116: return len;
117: }
118:
119: }
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