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Java > Open Source Codes > org > outerj > daisy > frontend > util > XslUtil


1 /*
2  * Copyright 2004 Outerthought bvba and Schaubroeck nv
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  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.outerj.daisy.frontend.util;
17
18 /**
19  * Utility functions for use in XSLTs (XPath).
20  */
21 public class XslUtil {
22     /**
23      * Escape a string for usage in a (double-quotes) javascript string.
24      */
25     public static String JavaDoc escape(String JavaDoc value) {
26         if (value == null)
27             return null;
28
29         StringBuffer JavaDoc result = new StringBuffer JavaDoc(value.length() + 10);
30         for (int i = 0; i < value.length(); i++) {
31             char c = value.charAt(i);
32             switch (c) {
33                 case '"':
34                     result.append("\\\"");
35                     break;
36                 case '\'':
37                     result.append("\\\'");
38                     break;
39                 case '\n':
40                     result.append("\\n");
41                     break;
42                 default:
43                     result.append(c);
44             }
45         }
46         return result.toString();
47     }
48
49     public static String JavaDoc translateForHtmlArea(String JavaDoc value) {
50         StringBuffer JavaDoc result = new StringBuffer JavaDoc((int)(value.length() * 1.1));
51
52         for (int i = 0; i < value.length(); i++) {
53             char c = value.charAt(i);
54             switch (c) {
55                 case 160:
56                     result.append("&nbsp;");
57                     break;
58                 case 13:
59                     // skip
60 break;
61                 default:
62                     result.append(c);
63             }
64         }
65
66         return result.toString();
67     }
68 }
69
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