qpath_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_Path_H
#define Patternist_Path_H

#include "qpaircontainer_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{

    class Path : public PairContainer
    {
    public:
        enum Kind
        {
            RegularPath = 1,

            XSLTForEach,

            ForApplyTemplate
        };

        Path(const Expression::Ptr &operand1,
             const Expression::Ptr &operand2,
             const Kind kind = RegularPath);

        virtual Item::Iterator::Ptr evaluateSequence(const DynamicContext::Ptr &context) const;
        virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
        virtual void evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const;
        inline Item::Iterator::Ptr mapToSequence(const Item &item,
                                                 const DynamicContext::Ptr &context) const;

        virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
                                          const SequenceType::Ptr &reqType);

        virtual SequenceType::List expectedOperandTypes() const;

        virtual SequenceType::Ptr staticType() const;

        virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;

        virtual Properties properties() const;

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

        virtual ItemType::Ptr newFocusType() const;

        virtual ID id() const;

        inline void setLast();

        inline Kind kind() const
        {
            return m_kind;
        }

    private:
        typedef QExplicitlySharedDataPointer<const Path> ConstPtr;

        bool        m_hasCreatedSorter;

        bool        m_isLast;

        bool        m_checkXPTY0018;
        const Kind  m_kind;
    };

    void Path::setLast()
    {
        m_isLast = true;
    }
}

QT_END_NAMESPACE

QT_END_HEADER

#endif