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Java > Open Source Codes > org > netbeans > modules > lexer > gen > javacc > JavaCCUnicodeRanges


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.modules.lexer.gen.javacc;
21
22 import org.netbeans.modules.lexer.gen.util.UnicodeRanges;
23
24 /**
25  * Program that writes Unicode character ranges to the output
26  * depending on the method being used.
27  *
28  * @author Miloslav Metelka
29  * @version 1.00
30  */
31
32 public class JavaCCUnicodeRanges extends UnicodeRanges {
33
34     public static String JavaDoc findRangesDescription(int testedMethod, int indent) {
35         StringBuffer JavaDoc sb = new StringBuffer JavaDoc();
36         char[] ranges = findRanges(testedMethod);
37         for (int i = 0; i < ranges.length;) {
38             if (i > 0) {
39                 sb.append(",\n");
40             }
41             indent(sb, indent);
42             int rangeStart = ranges[i++];
43             int rangeEnd = ranges[i++];
44             appendUnicodeChar(sb, (char)rangeStart, '"');
45             if (rangeStart < rangeEnd) { // interval
46 sb.append(" - ");
47                 appendUnicodeChar(sb, (char)(rangeEnd), '"');
48             }
49         }
50         
51         return sb.toString();
52     }
53     
54     public static void main(String JavaDoc[] args) {
55         if (args.length < 2) {
56             System.err.println(usage());
57         }
58
59         System.out.println(findRangesDescription(
60             Integer.parseInt(args[0]),
61             Integer.parseInt(args[1])
62         ));
63     }
64
65 }
66
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