| CodeBlock.java |
1 /**
2 * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portlet.wiki.filters;
24
25 import com.liferay.portal.kernel.util.StringMaker;
26 import com.liferay.portal.kernel.util.StringUtil;
27
28 import java.util.regex.Matcher;
29 import java.util.regex.Pattern;
30
31 import org.stringtree.factory.AbstractStringFetcher;
32
33 /**
34 * <a href="CodeBlock.java.html"><b><i>View Source</i></b></a>
35 *
36 * @author Raymond Augé
37 *
38 */
39 public class CodeBlock extends AbstractStringFetcher {
40
41 public Object getObject(String content) {
42 StringMaker sm = new StringMaker();
43
44 Matcher matcher = _pattern.matcher(content);
45
46 if (matcher.matches()) {
47 sm.append("<div class=\"wiki-code\">");
48
49 String[] lines = matcher.group(1).split("\\n");
50
51 for (int i = 0; i < lines.length; i++) {
52 if (i != 0) {
53 sm.append("<br />");
54 }
55
56 String translation = StringUtil.replace(
57 lines[i],
58 new String[] {
59 "\\s",
60 "<",
61 ">",
62 "=",
63 "\"",
64 "'",
65 "\t"
66 },
67 new String[] {
68 " ",
69 "<",
70 ">",
71 "=",
72 """,
73 "'",
74 " → "
75 });
76
77 int padlength =
78 String.valueOf(lines.length).length() -
79 String.valueOf(i + 1).length();
80
81 String padding = "";
82
83 for (int j = 0; j < padlength; j++) {
84 padding += "•";
85 }
86
87 sm.append("<span class=\"code-lines\">");
88 sm.append(padding + (i + 1));
89 sm.append("</span>");
90
91 sm.append(translation);
92 }
93
94 sm.append("</div>");
95
96 content = sm.toString();
97 }
98
99 return content;
100 }
101
102 private static final Pattern _pattern = Pattern.compile(
103 "\\[code\\]((.|\\n)*?)\\[/code\\]",
104 Pattern.MULTILINE | Pattern.UNIX_LINES);
105
106 }