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comparison src/luan/lib/HtmlLib.java @ 49:8ede219cd111

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add WebShell git-svn-id: https://luan-java.googlecode.com/svn/trunk@50 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Fri, 28 Dec 2012 19:35:04 +0000
parents
children f86e4f77ef32
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48:64ecb7a3aad7 49:8ede219cd111
1 package luan.lib;
2
3 import luan.LuanState;
4 import luan.LuanTable;
5 import luan.LuanJavaFunction;
6
7
8 public final class HtmlLib {
9
10 public static void register(LuanState luan) {
11 LuanTable module = new LuanTable();
12 LuanTable global = luan.global();
13 global.put("html",module);
14 try {
15 add( module, "encode", String.class );
16 } catch(NoSuchMethodException e) {
17 throw new RuntimeException(e);
18 }
19 }
20
21 private static void add(LuanTable t,String method,Class<?>... parameterTypes) throws NoSuchMethodException {
22 t.put( method, new LuanJavaFunction(HtmlLib.class.getMethod(method,parameterTypes),null) );
23 }
24
25 public static String encode(String s) {
26 char[] a = s.toCharArray();
27 StringBuilder buf = new StringBuilder();
28 for( int i=0; i<a.length; i++ ) {
29 char c = a[i];
30 switch(c) {
31 case '&':
32 buf.append("&amp;");
33 break;
34 case '<':
35 buf.append("&lt;");
36 break;
37 case '>':
38 buf.append("&gt;");
39 break;
40 case '"':
41 buf.append("&quot;");
42 break;
43 default:
44 buf.append(c);
45 }
46 }
47 return buf.toString();
48 }
49
50 }