qnonetype_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_NoneType_H
#define Patternist_NoneType_H

#include "qatomictype_p.h"
#include "qsequencetype_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{

    class NoneType : public ItemType,
                     public SequenceType
    {
    public:
        typedef QExplicitlySharedDataPointer<NoneType> Ptr;

        virtual bool itemMatches(const Item &item) const;
        virtual bool xdtTypeMatches(const ItemType::Ptr &other) const;

        virtual QString displayName(const NamePool::Ptr &np) const;

        virtual ItemType::Ptr itemType() const;

        virtual Cardinality cardinality() const;

        virtual bool isAtomicType() const;

        virtual ItemType::Ptr atomizedType() const;

        virtual bool isNodeType() const;

        virtual ItemType::Ptr xdtSuperType() const;

        virtual const ItemType &operator|(const ItemType &other) const;

    protected:

        friend class CommonSequenceTypes;
        NoneType();
    };
}

QT_END_NAMESPACE

QT_END_HEADER

#endif