1 /*
2 * Copyright (C) 2002 Carsten Krebs (Team-Konzept GmbH & Co.KG)
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18 package com.teamkonzept.dom4jb.saxon;
19
20 import org.w3c.dom.NamedNodeMap;
21 import org.w3c.dom.Node;
22
23 import com.icl.saxon.om.AxisEnumeration;
24 import com.icl.saxon.om.NodeInfo;
25
26 public class AttributeEnumeration implements AxisEnumeration {
27
28 private final NamedNodeMap attrs;
29 private int idx;
30 private NodeInfo nextNode;
31
32 public AttributeEnumeration( final AxisNode start ) {
33 attrs = start.getAttributes();
34 idx = 0;
35 nextNode = null;
36 }
37
38 public int getLastPosition() {
39 return 1; // not used
40 }
41
42 public boolean hasMoreElements() {
43 if ( nextNode != null ) {
44 return true;
45 }
46 for (Node attr = attrs.item(idx); attr != null; idx++) {
47 final String prefix = attr.getPrefix();
48 if (prefix == null
49 || prefix.length() == 0
50 || !prefix.equals("xmlns")) {
51 nextNode = (NodeInfo) attr;
52 return true;
53 }
54 }
55
56 return false;
57 }
58
59 public boolean isPeer() {
60 return true;
61 }
62
63 public boolean isReverseSorted() {
64 return false;
65 }
66
67 public boolean isSorted() {
68 return false;
69 }
70
71 public NodeInfo nextElement() {
72 if ( nextNode != null || hasMoreElements() ) {
73 final NodeInfo node = nextNode;
74 nextNode = null;
75 idx++;
76 return node;
77 }
78 return null;
79 }
80 }
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