/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** 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 "qvaluecomparison_p.h"

#include "qcomparescaseaware_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

ComparesCaseAware::ComparesCaseAware() : m_caseSensitivity(Qt::CaseSensitive)
{
}

Expression::Ptr ComparesCaseAware::compress(const StaticContext::Ptr &context)
{
    Q_ASSERT(m_operands.size() >= 2);

    if(ValueComparison::isCaseInsensitiveCompare(m_operands.first(), m_operands[1]))
        m_caseSensitivity = Qt::CaseInsensitive;
    else
    {
        /* Yes, we could probably skip this since m_caseSensitivity is initialized to this value,
         * but perhaps subsequent calls to compress() can make isCaseInsensitiveCompare() return
         * a different value. */
        m_caseSensitivity = Qt::CaseSensitive;
    }

    return FunctionCall::compress(context);
}

QT_END_NAMESPACE