/****************************************************************************
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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** Foundation and appearing in the file LICENSE.LGPL included in the
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//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.

#ifndef Patternist_ComparesCaseAware_H
#define Patternist_ComparesCaseAware_H

#include "qfunctioncall_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    /**
     * @short Base-class for functions that compares strings and provides
     * an opportunity to optimize compares intended to be case insensitive.
     *
     * @ingroup Patternist_functions
     * @author Frans Englich <frans.englich@nokia.com>
     */
    class ComparesCaseAware : public FunctionCall
    {
    public:
        /**
         * Performs initialization.
         */
        ComparesCaseAware();

        virtual Expression::Ptr compress(const StaticContext::Ptr &context);

        /**
         * Tells whether the return value of the two operands must be compared
         * case insensitively or not.
         */
        inline Qt::CaseSensitivity caseSensitivity() const
        {
            return m_caseSensitivity;
        }

    private:
        Qt::CaseSensitivity m_caseSensitivity;
    };
}

QT_END_NAMESPACE

QT_END_HEADER

#endif