SIRtree.h

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/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2006 Refractions Research Inc.
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Public Licence as published
 * by the Free Software Foundation.
 * See the COPYING file for more information.
 *
 **********************************************************************/

#ifndef GEOS_INDEX_STRTREE_SIRTREE_H
#define GEOS_INDEX_STRTREE_SIRTREE_H

#include <geos/export.h>

#include <geos/index/strtree/AbstractSTRtree.h> // for inheritance
#include <geos/index/strtree/Interval.h> // for inline

#include <vector>
#include <memory>

namespace geos {
namespace index { // geos::index
namespace strtree { // geos::index::strtree

class GEOS_DLL SIRtree: public AbstractSTRtree {
    using AbstractSTRtree::insert;
    using AbstractSTRtree::query;

public:

    SIRtree();

    SIRtree(std::size_t nodeCapacity);

    ~SIRtree() override;

    void insert(double x1, double x2, void* item);

    std::vector<void*>*
    query(double x1, double x2)
    {
        std::vector<void*>* results = new std::vector<void*>();
        Interval interval(std::min(x1, x2), std::max(x1, x2));
        AbstractSTRtree::query(&interval, *results);
        return results;
    }

    std::vector<void*>*
    query(double x)
    {
        return query(x, x);
    }

    SIRtree(const SIRtree&) = delete;
    SIRtree& operator=(const SIRtree&) = delete;

protected:

    class SIRIntersectsOp: public AbstractSTRtree::IntersectsOp {
    public:
        bool intersects(const void* aBounds, const void* bBounds) override;
    };

    std::unique_ptr<BoundableList> createParentBoundables(
        BoundableList* childBoundables, int newLevel) override;

    AbstractNode* createNode(int level) override;

    IntersectsOp*
    getIntersectsOp() override
    {
        return intersectsOp;
    }

    std::unique_ptr<BoundableList> sortBoundables(const BoundableList* input);

private:
    IntersectsOp* intersectsOp;
    std::vector<std::unique_ptr<Interval>> intervals;
};


} // namespace geos::index::strtree
} // namespace geos::index
} // namespace geos

#endif // GEOS_INDEX_STRTREE_SIRTREE_H