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/*
* Copyright (C) 2014 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
#include "IDBCursorRecord.h"
#include "IDBKey.h"
#include "IDBKeyData.h"
#include "IDBKeyPath.h"
#include "IDBValue.h"
#include "SharedBuffer.h"
#include <wtf/IsoMalloc.h>
namespace WebCore {
class IDBGetResult {
WTF_MAKE_ISO_ALLOCATED_EXPORT(IDBGetResult, WEBCORE_EXPORT);
public:
IDBGetResult()
: m_isDefined(false)
{
}
IDBGetResult(const IDBKeyData& keyData)
: m_keyData(keyData)
{
}
IDBGetResult(const IDBKeyData& keyData, const IDBKeyData& primaryKeyData)
: m_keyData(keyData)
, m_primaryKeyData(primaryKeyData)
{
}
IDBGetResult(const IDBKeyData& keyData, const ThreadSafeDataBuffer& buffer, const std::optional<IDBKeyPath>& keyPath)
: m_value(buffer)
, m_keyData(keyData)
, m_keyPath(keyPath)
{
}
IDBGetResult(const IDBKeyData& keyData, IDBValue&& value, const std::optional<IDBKeyPath>& keyPath)
: m_value(WTFMove(value))
, m_keyData(keyData)
, m_keyPath(keyPath)
{
}
IDBGetResult(const IDBKeyData& keyData, const IDBKeyData& primaryKeyData, IDBValue&& value, const std::optional<IDBKeyPath>& keyPath)
: m_value(WTFMove(value))
, m_keyData(keyData)
, m_primaryKeyData(primaryKeyData)
, m_keyPath(keyPath)
{
}
IDBGetResult(const IDBKeyData& keyData, const IDBKeyData& primaryKeyData, IDBValue&& value, const std::optional<IDBKeyPath>& keyPath, Vector<IDBCursorRecord>&& prefetechedRecords)
: m_value(WTFMove(value))
, m_keyData(keyData)
, m_primaryKeyData(primaryKeyData)
, m_keyPath(keyPath)
, m_prefetchedRecords(WTFMove(prefetechedRecords))
{
}
enum IsolatedCopyTag { IsolatedCopy };
IDBGetResult(const IDBGetResult&, IsolatedCopyTag);
IDBGetResult isolatedCopy() const;
void setValue(IDBValue&&);
const IDBValue& value() const { return m_value; }
const IDBKeyData& keyData() const { return m_keyData; }
const IDBKeyData& primaryKeyData() const { return m_primaryKeyData; }
const std::optional<IDBKeyPath>& keyPath() const { return m_keyPath; }
const Vector<IDBCursorRecord>& prefetchedRecords() const { return m_prefetchedRecords; }
bool isDefined() const { return m_isDefined; }
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static WARN_UNUSED_RETURN bool decode(Decoder&, IDBGetResult&);
private:
static void isolatedCopy(const IDBGetResult& source, IDBGetResult& destination);
IDBValue m_value;
IDBKeyData m_keyData;
IDBKeyData m_primaryKeyData;
std::optional<IDBKeyPath> m_keyPath;
Vector<IDBCursorRecord> m_prefetchedRecords;
bool m_isDefined { true };
};
template<class Encoder>
void IDBGetResult::encode(Encoder& encoder) const
{
encoder << m_keyData << m_primaryKeyData << m_keyPath << m_isDefined << m_value << m_prefetchedRecords;
}
template<class Decoder>
bool IDBGetResult::decode(Decoder& decoder, IDBGetResult& result)
{
std::optional<IDBKeyData> keyData;
decoder >> keyData;
if (!keyData)
return false;
result.m_keyData = WTFMove(*keyData);
std::optional<IDBKeyData> primaryKeyData;
decoder >> primaryKeyData;
if (!primaryKeyData)
return false;
result.m_primaryKeyData = WTFMove(*primaryKeyData);
if (!decoder.decode(result.m_keyPath))
return false;
if (!decoder.decode(result.m_isDefined))
return false;
std::optional<IDBValue> value;
decoder >> value;
if (!value)
return false;
result.m_value = WTFMove(*value);
std::optional<Vector<IDBCursorRecord>> prefetchedRecords;
decoder >> prefetchedRecords;
if (!prefetchedRecords)
return false;
result.m_prefetchedRecords = WTFMove(*prefetchedRecords);
return true;
}
} // namespace WebCore
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