1/*
2* Copyright (C) 2018 Apple Inc. All rights reserved.
3*
4* Redistribution and use in source and binary forms, with or without
5* modification, are permitted provided that the following conditions
6* are met:
7* 1. Redistributions of source code must retain the above copyright
8* notice, this list of conditions and the following disclaimer.
9* 2. Redistributions in binary form must reproduce the above copyright
10* notice, this list of conditions and the following disclaimer in the
11* documentation and/or other materials provided with the distribution.
12*
13* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24*/
25
26#pragma once
27
28#include <unicode/uchar.h>
29#include <wtf/RefCounted.h>
30#include <wtf/Vector.h>
31
32namespace WebCore {
33
34class SpectreGadget final : public RefCounted<SpectreGadget> {
35public:
36 static Ref<SpectreGadget> create(const String&);
37
38 void setReadLength(size_t);
39 unsigned charCodeAt(size_t);
40 void clflushReadLength();
41
42private:
43 SpectreGadget(const String&);
44
45 size_t m_readLength;
46 Vector<UChar> m_data;
47 UChar* m_dataPtr;
48};
49
50} // namespace WebCore
51
52