2 * This file is part of lanterna (http://code.google.com/p/lanterna/).
4 * lanterna is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 * Copyright (C) 2010-2015 Martin
19 package com
.googlecode
.lanterna
.input
;
21 import java
.util
.List
;
24 * Character pattern that matches one character as one KeyStroke with the character that was read
26 * @author Martin, Andreas
28 public class NormalCharacterPattern
implements CharacterPattern
{
30 public Matching
match(List
<Character
> seq
) {
31 if (seq
.size() != 1) {
35 if (isPrintableChar(ch
)) {
36 KeyStroke ks
= new KeyStroke(ch
, false, false);
37 return new Matching( ks
);
44 * From http://stackoverflow.com/questions/220547/printable-char-in-java
45 * @param c character to test
46 * @return True if this is a 'normal', printable character, false otherwise
48 private static boolean isPrintableChar(char c
) {
49 if (Character
.isISOControl(c
)) { return false; }
50 Character
.UnicodeBlock block
= Character
.UnicodeBlock
.of(c
);
51 return block
!= null && block
!= Character
.UnicodeBlock
.SPECIALS
;