1/*
2 * Copyright (C) 2017 Apple Inc. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library 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 GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 *
19 */
20
21#pragma once
22
23namespace WTF {
24
25class NullTextBreakIterator {
26public:
27 NullTextBreakIterator() = default;
28 NullTextBreakIterator(const NullTextBreakIterator&) = delete;
29 NullTextBreakIterator(NullTextBreakIterator&&) = default;
30 NullTextBreakIterator& operator=(const NullTextBreakIterator&) = delete;
31 NullTextBreakIterator& operator=(NullTextBreakIterator&&) = default;
32
33 Optional<unsigned> preceding(unsigned) const
34 {
35 ASSERT_NOT_REACHED();
36 return { };
37 }
38
39 Optional<unsigned> following(unsigned) const
40 {
41 ASSERT_NOT_REACHED();
42 return { };
43 }
44
45 bool isBoundary(unsigned) const
46 {
47 ASSERT_NOT_REACHED();
48 return false;
49 }
50
51 void setText(StringView)
52 {
53 ASSERT_NOT_REACHED();
54 }
55};
56
57}
58
59