/* * Copyright (C) 2016 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(INDEXED_DATABASE) #include "IDBKeyData.h" namespace WebCore { struct IDBIterateCursorData { IDBKeyData keyData; IDBKeyData primaryKeyData; unsigned count; IDBIterateCursorData isolatedCopy() const; #if !LOG_DISABLED String loggingString() const; #endif template<class Encoder> void encode(Encoder&) const; template<class Decoder> static bool decode(Decoder&, IDBIterateCursorData&); }; template<class Encoder> void IDBIterateCursorData::encode(Encoder& encoder) const { encoder << keyData << primaryKeyData << static_cast<uint64_t>(count); } template<class Decoder> bool IDBIterateCursorData::decode(Decoder& decoder, IDBIterateCursorData& iteratorCursorData) { Optional<IDBKeyData> keyData; decoder >> keyData; if (!keyData) return false; iteratorCursorData.keyData = WTFMove(*keyData); Optional<IDBKeyData> primaryKeyData; decoder >> primaryKeyData; if (!primaryKeyData) return false; iteratorCursorData.primaryKeyData = WTFMove(*primaryKeyData); uint64_t count; if (!decoder.decode(count)) return false; if (count > std::numeric_limits<unsigned>::max()) return false; iteratorCursorData.count = static_cast<unsigned>(count); return true; } } // namespace WebCore #endif // ENABLE(INDEXED_DATABASE)