| CodeBlock.java |
1 /**
2 * Copyright (c) 2000-2009 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.StringUtil;
26
27 import java.util.regex.Matcher;
28 import java.util.regex.Pattern;
29
30 import org.stringtree.factory.AbstractStringFetcher;
31
32 /**
33 * <a href="CodeBlock.java.html"><b><i>View Source</i></b></a>
34 *
35 * @author Raymond Augé
36 */
37 public class CodeBlock extends AbstractStringFetcher {
38
39 public Object getObject(String content) {
40 StringBuilder sb = new StringBuilder();
41
42 Matcher matcher = _pattern.matcher(content);
43
44 if (matcher.matches()) {
45 sb.append("<div class=\"wiki-code\">");
46
47 String[] lines = matcher.group(1).split("\\n");
48
49 for (int i = 0; i < lines.length; i++) {
50 if (i != 0) {
51 sb.append("<br />");
52 }
53
54 String translation = StringUtil.replace(
55 lines[i],
56 new String[] {
57 "\\s",
58 "<",
59 ">",
60 "=",
61 "\"",
62 "'",
63 "\t"
64 },
65 new String[] {
66 " ",
67 "<",
68 ">",
69 "=",
70 """,
71 "'",
72 " → "
73 });
74
75 int padlength =
76 String.valueOf(lines.length).length() -
77 String.valueOf(i + 1).length();
78
79 String padding = "";
80
81 for (int j = 0; j < padlength; j++) {
82 padding += "•";
83 }
84
85 sb.append("<span class=\"code-lines\">");
86 sb.append(padding + (i + 1));
87 sb.append("</span>");
88
89 sb.append(translation);
90 }
91
92 sb.append("</div>");
93
94 content = sb.toString();
95 }
96
97 return content;
98 }
99
100 private static Pattern _pattern = Pattern.compile(
101 "\\[code\\]((.|\\n)*?)\\[/code\\]",
102 Pattern.MULTILINE | Pattern.UNIX_LINES);
103
104 }