qreturnorderby_p.h

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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_ReturnOrderBy_H
#define Patternist_ReturnOrderBy_H

#include "qorderby_p.h"
#include "qunlimitedcontainer_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    class ReturnOrderBy : public UnlimitedContainer
    {
    public:
        ReturnOrderBy(const OrderBy::Stability stability,
                      const OrderBy::OrderSpec::Vector &oSpecs,
                      const Expression::List &operands);

        virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
        virtual bool evaluateEBV(const DynamicContext::Ptr &context) const;
        virtual SequenceType::Ptr staticType() const;
        virtual SequenceType::List expectedOperandTypes() const;
        virtual Expression::Ptr compress(const StaticContext::Ptr &context);
        virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
        virtual ID id() const;

        inline OrderBy::OrderSpec::Vector orderSpecs() const
        {
            return m_orderSpecs;
        }

        inline OrderBy::Stability stability() const
        {
            return m_stability;
        }

        inline void setStay(const bool a)
        {
            m_flyAway = !a;
        }

        virtual Properties properties() const;
    private:
        const OrderBy::Stability    m_stability;

        OrderBy::OrderSpec::Vector  m_orderSpecs;

        bool                        m_flyAway;
    };
}

QT_END_NAMESPACE

QT_END_HEADER

#endif