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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.
*/
#ifndef IDBKeyData_h
#define IDBKeyData_h
#if ENABLE(INDEXED_DATABASE)
#include "IDBKey.h"
namespace WebCore {
class KeyedDecoder;
class KeyedEncoder;
struct IDBKeyData {
IDBKeyData()
: type(IDBKey::InvalidType)
, numberValue(0)
, isNull(true)
{
}
WEBCORE_EXPORT IDBKeyData(const IDBKey*);
static IDBKeyData minimum()
{
IDBKeyData result;
result.type = IDBKey::MinType;
result.isNull = false;
return result;
}
static IDBKeyData maximum()
{
IDBKeyData result;
result.type = IDBKey::MaxType;
result.isNull = false;
return result;
}
WEBCORE_EXPORT PassRefPtr<IDBKey> maybeCreateIDBKey() const;
IDBKeyData isolatedCopy() const;
WEBCORE_EXPORT void encode(KeyedEncoder&) const;
WEBCORE_EXPORT static bool decode(KeyedDecoder&, IDBKeyData&);
// compare() has the same semantics as strcmp().
// - Returns negative if this IDBKeyData is less than other.
// - Returns positive if this IDBKeyData is greater than other.
// - Returns zero if this IDBKeyData is equal to other.
WEBCORE_EXPORT int compare(const IDBKeyData& other) const;
void setArrayValue(const Vector<IDBKeyData>&);
void setStringValue(const String&);
void setDateValue(double);
WEBCORE_EXPORT void setNumberValue(double);
#ifndef NDEBUG
WEBCORE_EXPORT String loggingString() const;
#endif
IDBKey::Type type;
Vector<IDBKeyData> arrayValue;
String stringValue;
double numberValue;
bool isNull;
};
} // namespace WebCore
#endif // ENABLE(INDEXED_DATABASE)
#endif // IDBKeyData_h
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