qexceptiterator_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_ExceptIterator_H
#define Patternist_ExceptIterator_H

#include "qitem_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    class ExceptIterator : public Item::Iterator
    {
    public:
        ExceptIterator(const Item::Iterator::Ptr &it1,
                       const Item::Iterator::Ptr &it2);

        virtual Item next();
        virtual Item current() const;
        virtual xsInteger position() const;
        virtual Item::Iterator::Ptr copy() const;

    private:
        inline Item fromFirstOperand();

        const Item::Iterator::Ptr   m_it1;
        const Item::Iterator::Ptr   m_it2;
        Item                        m_current;
        xsInteger                   m_position;
        Item                        m_node1;
        Item                        m_node2;
    };
}

QT_END_NAMESPACE

QT_END_HEADER

#endif