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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.
*/
#ifndef IDBGetResult_h
#define IDBGetResult_h
#if ENABLE(INDEXED_DATABASE)
#include "IDBKey.h"
#include "IDBKeyData.h"
#include "IDBKeyPath.h"
#include "SharedBuffer.h"
#include "ThreadSafeDataBuffer.h"
namespace WebCore {
class IDBGetResult {
public:
IDBGetResult()
: m_isDefined(false)
{
}
IDBGetResult(PassRefPtr<SharedBuffer> buffer)
{
if (buffer)
dataFromBuffer(*buffer);
}
IDBGetResult(const ThreadSafeDataBuffer& buffer)
: m_valueBuffer(buffer)
{
}
IDBGetResult(PassRefPtr<IDBKey> key)
: m_keyData(key.get())
{
}
IDBGetResult(const IDBKeyData& keyData)
: m_keyData(keyData)
{
}
IDBGetResult(PassRefPtr<SharedBuffer> buffer, PassRefPtr<IDBKey> key, const IDBKeyPath& path)
: m_keyData(key.get())
, m_keyPath(path)
{
if (buffer)
dataFromBuffer(*buffer);
}
IDBGetResult(const IDBKeyData& keyData, const IDBKeyData& primaryKeyData)
: m_keyData(keyData)
, m_primaryKeyData(primaryKeyData)
{
}
IDBGetResult(const IDBKeyData& keyData, const IDBKeyData& primaryKeyData, const ThreadSafeDataBuffer& valueBuffer)
: m_valueBuffer(valueBuffer)
, m_keyData(keyData)
, m_primaryKeyData(primaryKeyData)
{
}
IDBGetResult isolatedCopy() const;
const ThreadSafeDataBuffer& valueBuffer() const { return m_valueBuffer; }
const IDBKeyData& keyData() const { return m_keyData; }
const IDBKeyData& primaryKeyData() const { return m_primaryKeyData; }
const IDBKeyPath& keyPath() const { return m_keyPath; }
bool isDefined() const { return m_isDefined; }
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static bool decode(Decoder&, IDBGetResult&);
// FIXME: When removing LegacyIDB, remove these setters.
// https://bugs.webkit.org/show_bug.cgi?id=150854
void setValueBuffer(const ThreadSafeDataBuffer& valueBuffer) { m_valueBuffer = valueBuffer; }
void setKeyData(const IDBKeyData& keyData) { m_keyData = keyData; }
void setPrimaryKeyData(const IDBKeyData& keyData) { m_primaryKeyData = keyData; }
void setKeyPath(const IDBKeyPath& keyPath) { m_keyPath = keyPath; }
private:
WEBCORE_EXPORT void dataFromBuffer(SharedBuffer&);
ThreadSafeDataBuffer m_valueBuffer;
IDBKeyData m_keyData;
IDBKeyData m_primaryKeyData;
IDBKeyPath m_keyPath;
bool m_isDefined { true };
};
template<class Encoder>
void IDBGetResult::encode(Encoder& encoder) const
{
encoder << m_keyData << m_primaryKeyData << m_keyPath << m_isDefined;
encoder << !!m_valueBuffer.data();
if (m_valueBuffer.data())
encoder << *m_valueBuffer.data();
}
template<class Decoder>
bool IDBGetResult::decode(Decoder& decoder, IDBGetResult& result)
{
if (!decoder.decode(result.m_keyData))
return false;
if (!decoder.decode(result.m_primaryKeyData))
return false;
if (!decoder.decode(result.m_keyPath))
return false;
if (!decoder.decode(result.m_isDefined))
return false;
bool hasObject;
if (!decoder.decode(hasObject))
return false;
if (hasObject) {
Vector<uint8_t> value;
if (!decoder.decode(value))
return false;
result.m_valueBuffer = ThreadSafeDataBuffer::adoptVector(value);
}
return true;
}
} // namespace WebCore
#endif // ENABLE(INDEXED_DATABASE)
#endif // IDBGetResult_h
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