130 lines
3.5 KiB
C++
130 lines
3.5 KiB
C++
/*
|
|
* 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
|