01: /*
02: * CapitalizeStream.java
03: *
04: * Copyright (C) 2004 Peter Graves
05: * $Id: CapitalizeStream.java,v 1.1 2004/06/08 23:03:45 piso Exp $
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License
09: * as published by the Free Software Foundation; either version 2
10: * of the License, or (at your option) any later version.
11: *
12: * This program is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: * GNU General Public License for more details.
16: *
17: * You should have received a copy of the GNU General Public License
18: * along with this program; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20: */
21:
22: package org.armedbear.lisp;
23:
24: public final class CapitalizeStream extends CaseFrobStream {
25: private boolean inWord;
26:
27: public CapitalizeStream(Stream target) throws ConditionThrowable {
28: super (target);
29: }
30:
31: public void _writeChar(char c) throws ConditionThrowable {
32: if (inWord) {
33: if (Character.isUpperCase(c)) {
34: c = Utilities.toLowerCase(c);
35: } else if (!Character.isLowerCase(c)
36: && !Character.isDigit(c)) {
37: inWord = false;
38: }
39: } else {
40: // Not in a word.
41: if (Character.isUpperCase(c)) {
42: inWord = true;
43: } else if (Character.isLowerCase(c)) {
44: c = Utilities.toUpperCase(c);
45: inWord = true;
46: } else if (Character.isDigit(c)) {
47: inWord = true;
48: }
49: }
50: target._writeChar(c);
51: }
52:
53: public void _writeString(String s) throws ConditionThrowable {
54: final int limit = s.length();
55: for (int i = 0; i < limit; i++)
56: _writeChar(s.charAt(i));
57: }
58:
59: public void _writeLine(String s) throws ConditionThrowable {
60: target._writeString(s);
61: target._writeChar('\n');
62: }
63: }
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