1 /*
2 * Copyright (c) 2002-2025 Gargoyle Software Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 * https://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 package org.htmlunit.html;
16
17 import static org.htmlunit.BrowserVersionFeatures.JS_TABLE_SPAN_SET_ZERO_IF_INVALID;
18
19 import java.util.Map;
20
21 import org.apache.commons.lang3.StringUtils;
22 import org.htmlunit.SgmlPage;
23
24 /**
25 * An abstract cell that provides the implementation for HtmlTableDataCell and HtmlTableHeaderCell.
26 *
27 * @author <a href="mailto:mbowler@GargoyleSoftware.com">Mike Bowler</a>
28 * @author David K. Taylor
29 * @author <a href="mailto:cse@dynabean.de">Christian Sell</a>
30 * @author Ahmed Ashour
31 * @author Frank Danek
32 * @author Lai Quang Duong
33 * @see HtmlTableDataCell
34 * @see HtmlTableHeaderCell
35 */
36 public abstract class HtmlTableCell extends HtmlElement {
37
38 /**
39 * Creates an instance.
40 *
41 * @param qualifiedName the qualified name of the element type to instantiate
42 * @param page the page that this element is contained within
43 * @param attributes the initial attributes
44 */
45 protected HtmlTableCell(final String qualifiedName, final SgmlPage page,
46 final Map<String, DomAttr> attributes) {
47 super(qualifiedName, page, attributes);
48 }
49
50 /**
51 * @return the value of the colspan attribute, or <code>1</code> if the attribute wasn't specified
52 */
53 public int getColumnSpan() {
54 final String spanString = StringUtils.replaceChars(getAttributeDirect("colspan"), "\r\n\t ", null);
55 if (spanString == null || spanString.isEmpty()) {
56 return 1;
57 }
58 try {
59 final int span = (int) Double.parseDouble(spanString);
60 if (span < 1) {
61 return 1;
62 }
63 if (span > 1_000) {
64 return 1_000;
65 }
66 return span;
67 }
68 catch (final NumberFormatException e) {
69 return 1;
70 }
71 }
72
73 /**
74 * @return the value of the rowspan attribute, or <code>1</code> if the attribute wasn't specified
75 */
76 public int getRowSpan() {
77 final String spanString = StringUtils.replaceChars(getAttributeDirect("rowspan"), "\r\n\t ", null);
78 if (spanString == null || spanString.isEmpty()) {
79 return 1;
80 }
81 try {
82 final int span = (int) Double.parseDouble(spanString);
83 if (getPage().getWebClient().getBrowserVersion().hasFeature(JS_TABLE_SPAN_SET_ZERO_IF_INVALID)) {
84 if (span < 0) {
85 return 1;
86 }
87 if (span < 1) {
88 return 0;
89 }
90 }
91 else {
92 if (span < 1) {
93 return 1;
94 }
95 }
96
97 if (span > 65_534) {
98 return 65_534;
99 }
100 return span;
101 }
102 catch (final NumberFormatException e) {
103 return 1;
104 }
105 }
106
107 /**
108 * Returns the table row containing this cell.
109 * @return the table row containing this cell
110 */
111 public HtmlTableRow getEnclosingRow() {
112 return (HtmlTableRow) getEnclosingElement("tr");
113 }
114
115 /**
116 * {@inheritDoc}
117 */
118 @Override
119 public DisplayStyle getDefaultStyleDisplay() {
120 return DisplayStyle.TABLE_CELL;
121 }
122 }