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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QQMLPROPERTYINDEX_P_H
#define QQMLPROPERTYINDEX_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <private/qglobal_p.h>
QT_BEGIN_NAMESPACE
class QQmlPropertyIndex
{
qint32 index;
public:
QQmlPropertyIndex()
{ index = -1; }
static QQmlPropertyIndex fromEncoded(qint32 encodedIndex)
{
QQmlPropertyIndex idx;
idx.index = encodedIndex;
return idx;
}
explicit QQmlPropertyIndex(int coreIndex)
{ index = encode(coreIndex, -1); }
explicit QQmlPropertyIndex(int coreIndex, int valueTypeIndex)
: index(encode(coreIndex, valueTypeIndex))
{}
bool isValid() const
{ return index != -1; }
int coreIndex() const
{
if (index == -1)
return -1;
return index & 0xffff;
}
int valueTypeIndex() const
{
if (index == -1)
return -1;
return (index >> 16) - 1;
}
bool hasValueTypeIndex() const
{
if (index == -1)
return false;
return index >> 16;
}
qint32 toEncoded() const
{ return index; }
int intValue() const
{ return index; }
bool operator==(const QQmlPropertyIndex &other) const
{ return index == other.index; }
bool operator!=(const QQmlPropertyIndex &other) const
{ return !operator==(other); }
private:
static qint32 encode(int coreIndex, int valueTypeIndex)
{
Q_ASSERT(coreIndex >= -1);
Q_ASSERT(coreIndex <= 0xffff);
Q_ASSERT(valueTypeIndex >= -1);
Q_ASSERT(valueTypeIndex < 0xffff);
if (coreIndex == -1)
return -1;
else
return coreIndex | ((valueTypeIndex + 1) << 16);
}
};
QT_END_NAMESPACE
#endif // QQMLPROPERTYINDEX_P_H
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