featureiterator.h

#ifndef FEATUREITERATOR_H
#define FEATUREITERATOR_H

namespace Ilwis {
class KERNELSHARED_EXPORT FeatureIterator  : public std::iterator<std::random_access_iterator_tag, int>
{
public:
    FeatureIterator();

    FeatureIterator(const Ilwis::IFeatureCoverage &fcoverage);
    FeatureIterator(const Ilwis::IFeatureCoverage &fcoverage, IlwisTypes types);

    FeatureIterator(const Ilwis::IFeatureCoverage &fcoverage, const std::vector<quint32>& subset);

    FeatureIterator(const FeatureIterator& iter);

    FeatureIterator& operator++() ;

    FeatureIterator operator++(int);


    FeatureIterator& operator+(int);

    FeatureIterator& operator-(int);

    bool operator==(const FeatureIterator& rhs) ;

    bool operator!=(const FeatureIterator& rhs);

    UPFeatureI& operator*();

    FeatureIterator end() const;

    FeatureIterator end();

private:
    bool init();
    bool move(qint32 distance=1);
    IFeatureCoverage _fcoverage;
    Features::iterator _iterFeatures;
    bool _isInitial;
    std::vector<quint32> _subset;
    quint32 _iterPosition = iUNDEF;
    bool _useVectorIter = true;
    IlwisTypes _types;
};
}

inline Ilwis::FeatureIterator begin(const Ilwis::IFeatureCoverage &fcoverage) {
    return Ilwis::FeatureIterator(fcoverage);
}

inline Ilwis::FeatureIterator end(const Ilwis::IFeatureCoverage &fcoverage) {
    Ilwis::FeatureIterator iter(fcoverage);
    return iter.end();
}

#endif // FEATUREITERATOR_H