01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common
08: * Development and Distribution License("CDDL") (collectively, the
09: * "License"). You may not use this file except in compliance with the
10: * License. You can obtain a copy of the License at
11: * http://www.netbeans.org/cddl-gplv2.html
12: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13: * specific language governing permissions and limitations under the
14: * License. When distributing the software, include this License Header
15: * Notice in each file and include the License file at
16: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17: * particular file as subject to the "Classpath" exception as provided
18: * by Sun in the GPL Version 2 section of the License file that
19: * accompanied this code. If applicable, add the following below the
20: * License Header, with the fields enclosed by brackets [] replaced by
21: * your own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * Contributor(s):
25: *
26: * The Original Software is NetBeans. The Initial Developer of the Original
27: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
28: * Microsystems, Inc. All Rights Reserved.
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30: * If you wish your version of this file to be governed by only the CDDL
31: * or only the GPL Version 2, indicate your decision by adding
32: * "[Contributor] elects to include this software in this distribution
33: * under the [CDDL or GPL Version 2] license." If you do not indicate a
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35: * your version of this file under either the CDDL, the GPL Version 2 or
36: * to extend the choice of license to its licensees as provided above.
37: * However, if you add GPL Version 2 code and therefore, elected the GPL
38: * Version 2 license, then the option applies only if the new code is
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40: */
41:
42: package org.netbeans.modules.lexer.gen.antlr;
43:
44: import org.netbeans.modules.lexer.gen.util.UnicodeRanges;
45:
46: /**
47: * Program that writes Unicode character ranges to the output
48: * depending on the method being used.
49: *
50: * @author Miloslav Metelka
51: * @version 1.00
52: */
53:
54: public class AntlrUnicodeRanges extends UnicodeRanges {
55:
56: public static String findRangesDescription(int testedMethod,
57: int indent) {
58: StringBuffer sb = new StringBuffer();
59: char[] ranges = findRanges(testedMethod);
60: for (int i = 0; i < ranges.length;) {
61: if (i > 0) {
62: sb.append('\n');
63: }
64: indent(sb, indent);
65: sb.append((i > 0) ? '|' : ':');
66: sb.append(' ');
67: int rangeStart = ranges[i++];
68: int rangeEnd = ranges[i++];
69: appendUnicodeChar(sb, (char) rangeStart, '\'');
70: if (rangeStart < rangeEnd) { // interval
71: sb.append("..");
72: appendUnicodeChar(sb, (char) (rangeEnd), '\'');
73: }
74: }
75:
76: return sb.toString();
77: }
78:
79: public static void main(String[] args) {
80: if (args.length < 2) {
81: System.err.println(usage());
82: }
83:
84: System.out.println(findRangesDescription(Integer
85: .parseInt(args[0]), Integer.parseInt(args[1])));
86: }
87:
88: }
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