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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://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qexternalvariablereference_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
ExternalVariableReference::ExternalVariableReference(const QXmlName &name,
const SequenceType::Ptr &type) : m_name(name),
m_seqType(type)
{
Q_ASSERT(!m_name.isNull());
Q_ASSERT(m_seqType);
}
Item::Iterator::Ptr ExternalVariableReference::evaluateSequence(const DynamicContext::Ptr &context) const
{
Q_ASSERT(context->externalVariableLoader());
return context->externalVariableLoader()->evaluateSequence(m_name, context);
}
Item ExternalVariableReference::evaluateSingleton(const DynamicContext::Ptr &context) const
{
return context->externalVariableLoader()->evaluateSingleton(m_name, context);
}
bool ExternalVariableReference::evaluateEBV(const DynamicContext::Ptr &context) const
{
return context->externalVariableLoader()->evaluateEBV(m_name, context);
}
SequenceType::Ptr ExternalVariableReference::staticType() const
{
return m_seqType;
}
Expression::Properties ExternalVariableReference::properties() const
{
return DisableElimination;
}
ExpressionVisitorResult::Ptr ExternalVariableReference::accept(const ExpressionVisitor::Ptr &visitor) const
{
return visitor->visit(this);
}
QT_END_NAMESPACE
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