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/*
* Copyright (C) 2015 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 IDBResultData_h
#define IDBResultData_h
#if ENABLE(INDEXED_DATABASE)
#include "IDBDatabaseInfo.h"
#include "IDBError.h"
#include "IDBGetResult.h"
#include "IDBKeyData.h"
#include "IDBResourceIdentifier.h"
#include "IDBTransactionInfo.h"
#include "ThreadSafeDataBuffer.h"
namespace WebCore {
class IDBResourceIdentifier;
class ThreadSafeDataBuffer;
enum class IDBResultType {
Error,
OpenDatabaseSuccess,
OpenDatabaseUpgradeNeeded,
DeleteDatabaseSuccess,
CreateObjectStoreSuccess,
DeleteObjectStoreSuccess,
ClearObjectStoreSuccess,
PutOrAddSuccess,
GetRecordSuccess,
GetCountSuccess,
DeleteRecordSuccess,
CreateIndexSuccess,
DeleteIndexSuccess,
OpenCursorSuccess,
IterateCursorSuccess,
};
namespace IDBServer {
class UniqueIDBDatabaseConnection;
class UniqueIDBDatabaseTransaction;
}
class IDBResultData {
public:
static IDBResultData error(const IDBResourceIdentifier&, const IDBError&);
static IDBResultData openDatabaseSuccess(const IDBResourceIdentifier&, IDBServer::UniqueIDBDatabaseConnection&);
static IDBResultData openDatabaseUpgradeNeeded(const IDBResourceIdentifier&, IDBServer::UniqueIDBDatabaseTransaction&);
static IDBResultData deleteDatabaseSuccess(const IDBResourceIdentifier&, const IDBDatabaseInfo&);
static IDBResultData createObjectStoreSuccess(const IDBResourceIdentifier&);
static IDBResultData deleteObjectStoreSuccess(const IDBResourceIdentifier&);
static IDBResultData clearObjectStoreSuccess(const IDBResourceIdentifier&);
static IDBResultData createIndexSuccess(const IDBResourceIdentifier&);
static IDBResultData deleteIndexSuccess(const IDBResourceIdentifier&);
static IDBResultData putOrAddSuccess(const IDBResourceIdentifier&, const IDBKeyData&);
static IDBResultData getRecordSuccess(const IDBResourceIdentifier&, const IDBGetResult&);
static IDBResultData getCountSuccess(const IDBResourceIdentifier&, uint64_t count);
static IDBResultData deleteRecordSuccess(const IDBResourceIdentifier&);
static IDBResultData openCursorSuccess(const IDBResourceIdentifier&, const IDBGetResult&);
static IDBResultData iterateCursorSuccess(const IDBResourceIdentifier&, const IDBGetResult&);
IDBResultData(const IDBResultData&);
IDBResultType type() const { return m_type; }
IDBResourceIdentifier requestIdentifier() const { return m_requestIdentifier; }
const IDBError& error() const { return m_error; }
uint64_t databaseConnectionIdentifier() const { return m_databaseConnectionIdentifier; }
const IDBDatabaseInfo& databaseInfo() const;
const IDBTransactionInfo& transactionInfo() const;
const IDBKeyData* resultKey() const { return m_resultKey.get(); }
uint64_t resultInteger() const { return m_resultInteger; }
const IDBGetResult& getResult() const;
WEBCORE_EXPORT IDBResultData();
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static bool decode(Decoder&, IDBResultData&);
private:
IDBResultData(const IDBResourceIdentifier&);
IDBResultData(IDBResultType, const IDBResourceIdentifier&);
IDBResultType m_type { IDBResultType::Error };
IDBResourceIdentifier m_requestIdentifier;
IDBError m_error;
uint64_t m_databaseConnectionIdentifier { 0 };
std::unique_ptr<IDBDatabaseInfo> m_databaseInfo;
std::unique_ptr<IDBTransactionInfo> m_transactionInfo;
std::unique_ptr<IDBKeyData> m_resultKey;
std::unique_ptr<IDBGetResult> m_getResult;
uint64_t m_resultInteger { 0 };
};
template<class Encoder>
void IDBResultData::encode(Encoder& encoder) const
{
encoder << m_requestIdentifier << m_error << m_databaseConnectionIdentifier << m_resultInteger;
encoder.encodeEnum(m_type);
encoder << !!m_databaseInfo;
if (m_databaseInfo)
encoder << *m_databaseInfo;
encoder << !!m_transactionInfo;
if (m_transactionInfo)
encoder << *m_transactionInfo;
encoder << !!m_resultKey;
if (m_resultKey)
encoder << *m_resultKey;
encoder << !!m_getResult;
if (m_getResult)
encoder << *m_getResult;
}
template<class Decoder> bool IDBResultData::decode(Decoder& decoder, IDBResultData& result)
{
if (!decoder.decode(result.m_requestIdentifier))
return false;
if (!decoder.decode(result.m_error))
return false;
if (!decoder.decode(result.m_databaseConnectionIdentifier))
return false;
if (!decoder.decode(result.m_resultInteger))
return false;
if (!decoder.decodeEnum(result.m_type))
return false;
bool hasObject;
if (!decoder.decode(hasObject))
return false;
if (hasObject) {
std::unique_ptr<IDBDatabaseInfo> object = std::make_unique<IDBDatabaseInfo>();
if (!decoder.decode(*object))
return false;
result.m_databaseInfo = WTFMove(object);
}
if (!decoder.decode(hasObject))
return false;
if (hasObject) {
std::unique_ptr<IDBTransactionInfo> object = std::make_unique<IDBTransactionInfo>();
if (!decoder.decode(*object))
return false;
result.m_transactionInfo = WTFMove(object);
}
if (!decoder.decode(hasObject))
return false;
if (hasObject) {
std::unique_ptr<IDBKeyData> object = std::make_unique<IDBKeyData>();
if (!decoder.decode(*object))
return false;
result.m_resultKey = WTFMove(object);
}
if (!decoder.decode(hasObject))
return false;
if (hasObject) {
std::unique_ptr<IDBGetResult> object = std::make_unique<IDBGetResult>();
if (!decoder.decode(*object))
return false;
result.m_getResult = WTFMove(object);
}
return true;
}
} // namespace WebCore
#endif // ENABLE(INDEXED_DATABASE)
#endif // IDBResultData_h
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