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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGlobal>
#include "qcommonsequencetypes_p.h"
#include "qitemtype_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
ItemType::~ItemType()
{
}
const ItemType &ItemType::operator|(const ItemType &other) const
{
const ItemType *ca = this;
if(other == *CommonSequenceTypes::None)
return *ca;
if(*ca == *CommonSequenceTypes::Empty)
return other;
else if(other == *CommonSequenceTypes::Empty)
return *ca;
do
{
const ItemType *cb = &other;
do
{
if(*ca == *cb)
return *ca;
cb = cb->xdtSuperType().data();
}
while(cb);
ca = ca->xdtSuperType().data();
}
while(ca);
Q_ASSERT_X(false, Q_FUNC_INFO, "We should never reach this line.");
return *this;
}
ItemType::Category ItemType::itemTypeCategory() const
{
return Other;
}
bool ItemType::operator==(const ItemType &other) const
{
return this == &other;
}
ItemType::InstanceOf ItemType::instanceOf() const
{
return ClassOther;
}
QT_END_NAMESPACE
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