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/*
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(APP_HIGHLIGHTS)
#include "SharedBuffer.h"
#include <wtf/persistence/PersistentCoders.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
enum class CreateNewGroupForHighlight : bool { No, Yes };
enum class HighlightRequestOriginatedInApp : bool { No, Yes };
struct AppHighlight {
Ref<WebCore::SharedBuffer> highlight;
std::optional<String> text;
CreateNewGroupForHighlight isNewGroup;
HighlightRequestOriginatedInApp requestOriginatedInApp;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static std::optional<AppHighlight> decode(Decoder&);
};
template<class Encoder>
void AppHighlight::encode(Encoder& encoder) const
{
encoder << static_cast<size_t>(highlight->size());
encoder.encodeFixedLengthData(highlight->data(), highlight->size(), 1);
encoder << text;
encoder << isNewGroup;
encoder << requestOriginatedInApp;
}
template<class Decoder>
std::optional<AppHighlight> AppHighlight::decode(Decoder& decoder)
{
std::optional<size_t> length;
decoder >> length;
if (!length)
return std::nullopt;
if (!decoder.template bufferIsLargeEnoughToContain<uint8_t>(length.value()))
return std::nullopt;
Vector<uint8_t> highlight;
highlight.grow(*length);
if (!decoder.decodeFixedLengthData(highlight.data(), highlight.size(), 1))
return std::nullopt;
std::optional<std::optional<String>> text;
decoder >> text;
if (!text)
return std::nullopt;
CreateNewGroupForHighlight isNewGroup;
if (!decoder.decode(isNewGroup))
return std::nullopt;
HighlightRequestOriginatedInApp requestOriginatedInApp;
if (!decoder.decode(requestOriginatedInApp))
return std::nullopt;
return {{ SharedBuffer::create(WTFMove(highlight)), WTFMove(*text), isNewGroup, requestOriginatedInApp }};
}
}
#endif // ENABLE(APP_HIGHLIGHTS)
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