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/*
* Copyright (C) 2010 Google 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 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 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 IDBKeyRange_h
#define IDBKeyRange_h
#if ENABLE(INDEXED_DATABASE)
#include "IDBKey.h"
#include "OptionsObject.h"
#include <wtf/PassRefPtr.h>
#include <wtf/Threading.h>
namespace WebCore {
class IDBKeyRange : public ThreadSafeShared<IDBKeyRange> {
public:
static PassRefPtr<IDBKeyRange> create(PassRefPtr<IDBKey> lower, PassRefPtr<IDBKey> upper, bool lowerOpen, bool upperOpen)
{
return adoptRef(new IDBKeyRange(lower, upper, lowerOpen, upperOpen));
}
~IDBKeyRange() { }
PassRefPtr<IDBKey> lower() const { return m_lower; }
PassRefPtr<IDBKey> upper() const { return m_upper; }
bool lowerOpen() const { return m_lowerOpen; }
bool upperOpen() const { return m_upperOpen; }
String lowerWhereClauseComparisonOperator() const;
String upperWhereClauseComparisonOperator() const;
static PassRefPtr<IDBKeyRange> only(PassRefPtr<IDBKey> value);
static PassRefPtr<IDBKeyRange> lowerBound(PassRefPtr<IDBKey> bound, bool open = false);
static PassRefPtr<IDBKeyRange> upperBound(PassRefPtr<IDBKey> bound, bool open = false);
static PassRefPtr<IDBKeyRange> bound(PassRefPtr<IDBKey> lower, PassRefPtr<IDBKey> upper, const OptionsObject& = OptionsObject());
private:
IDBKeyRange(PassRefPtr<IDBKey> lower, PassRefPtr<IDBKey> upper, bool lowerOpen, bool upperOpen);
RefPtr<IDBKey> m_lower;
RefPtr<IDBKey> m_upper;
bool m_lowerOpen;
bool m_upperOpen;
};
} // namespace WebCore
#endif
#endif // IDBKeyRange_h
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