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 {
26 WTF_MAKE_FAST_ALLOCATED;
27public:
28 NullTextBreakIterator() = default;
29 NullTextBreakIterator(const NullTextBreakIterator&) = delete;
30 NullTextBreakIterator(NullTextBreakIterator&&) = default;
31 NullTextBreakIterator& operator=(const NullTextBreakIterator&) = delete;
32 NullTextBreakIterator& operator=(NullTextBreakIterator&&) = default;
33
34 Optional<unsigned> preceding(unsigned) const
35 {
36 ASSERT_NOT_REACHED();
37 return { };
38 }
39
40 Optional<unsigned> following(unsigned) const
41 {
42 ASSERT_NOT_REACHED();
43 return { };
44 }
45
46 bool isBoundary(unsigned) const
47 {
48 ASSERT_NOT_REACHED();
49 return false;
50 }
51
52 void setText(StringView)
53 {
54 ASSERT_NOT_REACHED();
55 }
56};
57
58}
59
60