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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 "IDBKeyData.h"
#include "IDBKeyRange.h"
namespace WebCore {
class IDBKey;
struct IDBKeyRangeData {
IDBKeyRangeData()
: isNull(true)
{
}
static IDBKeyRangeData allKeys()
{
IDBKeyRangeData result;
result.isNull = false;
result.lowerKey = IDBKeyData::minimum();
result.upperKey = IDBKeyData::maximum();
return result;
}
IDBKeyRangeData(IDBKey*);
IDBKeyRangeData(const IDBKeyData&);
IDBKeyRangeData(IDBKeyRange* keyRange)
: isNull(!keyRange)
{
if (isNull)
return;
lowerKey = keyRange->lower();
upperKey = keyRange->upper();
lowerOpen = keyRange->lowerOpen();
upperOpen = keyRange->upperOpen();
}
WEBCORE_EXPORT IDBKeyRangeData isolatedCopy() const;
WEBCORE_EXPORT RefPtr<IDBKeyRange> maybeCreateIDBKeyRange() const;
WEBCORE_EXPORT bool isExactlyOneKey() const;
bool containsKey(const IDBKeyData&) const;
bool isValid() const;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static WARN_UNUSED_RETURN bool decode(Decoder&, IDBKeyRangeData&);
IDBKeyData lowerKey;
IDBKeyData upperKey;
bool lowerOpen { false };
bool upperOpen { false };
bool isNull;
#if !LOG_DISABLED
String loggingString() const;
#endif
};
template<class Encoder>
void IDBKeyRangeData::encode(Encoder& encoder) const
{
encoder << isNull;
if (isNull)
return;
encoder << upperKey << lowerKey << upperOpen << lowerOpen;
}
template<class Decoder>
bool IDBKeyRangeData::decode(Decoder& decoder, IDBKeyRangeData& keyRange)
{
if (!decoder.decode(keyRange.isNull))
return false;
if (keyRange.isNull)
return true;
std::optional<IDBKeyData> upperKey;
decoder >> upperKey;
if (!upperKey)
return false;
keyRange.upperKey = WTFMove(*upperKey);
std::optional<IDBKeyData> lowerKey;
decoder >> lowerKey;
if (!lowerKey)
return false;
keyRange.lowerKey = WTFMove(*lowerKey);
if (!decoder.decode(keyRange.upperOpen))
return false;
if (!decoder.decode(keyRange.lowerOpen))
return false;
return true;
}
} // namespace WebCore
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