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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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qbuiltintypes_p.h"
#include "qcommonsequencetypes_p.h"
#include "qparentnodeaxis_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
Item ParentNodeAxis::evaluateSingleton(const DynamicContext::Ptr &context) const
{
return context->contextItem().asNode().iterate(QXmlNodeModelIndex::AxisParent)->next();
}
Expression::Properties ParentNodeAxis::properties() const
{
return DisableElimination | RequiresContextItem;
}
ExpressionVisitorResult::Ptr ParentNodeAxis::accept(const ExpressionVisitor::Ptr &visitor) const
{
return visitor->visit(this);
}
ItemType::Ptr ParentNodeAxis::expectedContextItemType() const
{
return BuiltinTypes::node;
}
SequenceType::Ptr ParentNodeAxis::staticType() const
{
// Parentless node exists.
return CommonSequenceTypes::ZeroOrOneNode;
}
QT_END_NAMESPACE
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