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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 "qpaircontainer_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
PairContainer::PairContainer(const Expression::Ptr &operand1,
const Expression::Ptr &operand2) : m_operand1(operand1),
m_operand2(operand2)
{
Q_ASSERT(m_operand1);
Q_ASSERT(m_operand2);
}
Expression::List PairContainer::operands() const
{
Expression::List list;
list.append(m_operand1);
list.append(m_operand2);
return list;
}
void PairContainer::setOperands(const Expression::List &ops)
{
Q_ASSERT(ops.count() == 2);
m_operand1 = ops.first();
m_operand2 = ops.last();
Q_ASSERT(m_operand1);
Q_ASSERT(m_operand2);
}
bool PairContainer::compressOperands(const StaticContext::Ptr &context)
{
Q_ASSERT(m_operand1);
Q_ASSERT(m_operand2);
rewrite(m_operand1, m_operand1->compress(context), context);
rewrite(m_operand2, m_operand2->compress(context), context);
return m_operand1->isEvaluated() && m_operand2->isEvaluated();
}
QT_END_NAMESPACE
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