#pragma once
#if ENABLE(INDEXED_DATABASE)
#include "IDBKey.h"
#include "IDBKeyData.h"
#include "IDBKeyPath.h"
#include "IDBValue.h"
#include "SharedBuffer.h"
namespace WebCore {
class IDBGetResult {
WTF_MAKE_FAST_ALLOCATED;
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 Optional<IDBKeyPath>& keyPath)
: m_value(buffer)
, m_keyData(keyData)
, m_keyPath(keyPath)
{
}
IDBGetResult(const IDBKeyData& keyData, IDBValue&& value, const Optional<IDBKeyPath>& keyPath)
: m_value(WTFMove(value))
, m_keyData(keyData)
, m_keyPath(keyPath)
{
}
IDBGetResult(const IDBKeyData& keyData, const IDBKeyData& primaryKeyData, IDBValue&& value, const Optional<IDBKeyPath>& keyPath)
: m_value(WTFMove(value))
, m_keyData(keyData)
, m_primaryKeyData(primaryKeyData)
, m_keyPath(keyPath)
{
}
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 Optional<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&);
private:
void dataFromBuffer(SharedBuffer&);
static void isolatedCopy(const IDBGetResult& source, IDBGetResult& destination);
IDBValue m_value;
IDBKeyData m_keyData;
IDBKeyData m_primaryKeyData;
Optional<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 << m_value;
}
template<class Decoder>
bool IDBGetResult::decode(Decoder& decoder, IDBGetResult& result)
{
Optional<IDBKeyData> keyData;
decoder >> keyData;
if (!keyData)
return false;
result.m_keyData = WTFMove(*keyData);
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;
Optional<IDBValue> value;
decoder >> value;
if (!value)
return false;
result.m_value = WTFMove(*value);
return true;
}
}
#endif // ENABLE(INDEXED_DATABASE)