1
14
15 package com.liferay.portlet.wiki.filters;
16
17 import com.liferay.portal.kernel.util.StringBundler;
18 import com.liferay.portal.kernel.util.StringUtil;
19
20 import java.util.regex.Matcher;
21 import java.util.regex.Pattern;
22
23 import org.stringtree.factory.AbstractStringFetcher;
24
25
30 public class CodeBlock extends AbstractStringFetcher {
31
32 public Object getObject(String content) {
33 StringBundler sb = new StringBundler();
34
35 Matcher matcher = _pattern.matcher(content);
36
37 if (matcher.matches()) {
38 sb.append("<div class=\"wiki-code\">");
39
40 String[] lines = matcher.group(1).split("\\n");
41
42 for (int i = 0; i < lines.length; i++) {
43 if (i != 0) {
44 sb.append("<br />");
45 }
46
47 String translation = StringUtil.replace(
48 lines[i],
49 new String[] {
50 "\\s",
51 "<",
52 ">",
53 "=",
54 "\"",
55 "'",
56 "\t"
57 },
58 new String[] {
59 " ",
60 "<",
61 ">",
62 "=",
63 """,
64 "'",
65 " → "
66 });
67
68 int padlength =
69 String.valueOf(lines.length).length() -
70 String.valueOf(i + 1).length();
71
72 String padding = "";
73
74 for (int j = 0; j < padlength; j++) {
75 padding += "•";
76 }
77
78 sb.append("<span class=\"code-lines\">");
79 sb.append(padding + (i + 1));
80 sb.append("</span>");
81
82 sb.append(translation);
83 }
84
85 sb.append("</div>");
86
87 content = sb.toString();
88 }
89
90 return content;
91 }
92
93 private static Pattern _pattern = Pattern.compile(
94 "\\[code\\]((.|\\n)*?)\\[/code\\]",
95 Pattern.MULTILINE | Pattern.UNIX_LINES);
96
97 }