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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 <wtf/PassRefPtr.h>
#include <wtf/Threading.h>
namespace WebCore {
class IDBKeyRange : public ThreadSafeShared<IDBKeyRange> {
public:
// Keep in sync with what's in the .idl file.
enum Flags {
SINGLE = 0,
LEFT_OPEN = 1,
RIGHT_OPEN = 2,
LEFT_BOUND = 4,
RIGHT_BOUND = 8,
};
static PassRefPtr<IDBKeyRange> create(PassRefPtr<IDBKey> left, PassRefPtr<IDBKey> right, unsigned short flags)
{
return adoptRef(new IDBKeyRange(left, right, flags));
}
~IDBKeyRange() { }
PassRefPtr<IDBKey> left() const { return m_left; }
PassRefPtr<IDBKey> right() const { return m_right; }
unsigned short flags() const { return m_flags; }
String leftWhereClauseComparisonOperator() const;
String rightWhereClauseComparisonOperator() const;
static PassRefPtr<IDBKeyRange> only(PassRefPtr<IDBKey> value);
static PassRefPtr<IDBKeyRange> leftBound(PassRefPtr<IDBKey> bound, bool open = false);
static PassRefPtr<IDBKeyRange> rightBound(PassRefPtr<IDBKey> bound, bool open = false);
static PassRefPtr<IDBKeyRange> bound(PassRefPtr<IDBKey> left, PassRefPtr<IDBKey> right, bool openLeft = false, bool openRight = false);
private:
IDBKeyRange(PassRefPtr<IDBKey> left, PassRefPtr<IDBKey> right, unsigned short flags);
RefPtr<IDBKey> m_left;
RefPtr<IDBKey> m_right;
unsigned short m_flags;
};
} // namespace WebCore
#endif
#endif // IDBKeyRange_h
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