ArcString.h

/**********************************************************************
*
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2025 ISciences, LLC
 *
 * 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.
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/export.h>
#include <geos/geom/CircularArc.h>
#include <geos/noding/PathString.h>
 
#include <vector>
 
namespace geos::noding {
 
class GEOS_DLL ArcString : public PathString {
public:
    explicit ArcString(std::vector<geom::CircularArc> arcs) : m_arcs(std::move(arcs)) {
    }
 
    ArcString(std::vector<geom::CircularArc> arcs, const std::shared_ptr<const geom::CoordinateSequence>& seq, void* context)
        : m_arcs(std::move(arcs)),
          m_seq(seq),
          m_context(context)
    {}
 
    std::size_t getSize() const override {
        return m_arcs.size();
    }
 
    double getLength() const override {
        double tot = 0;
        for (const auto &arc: m_arcs) {
            tot += arc.getLength();
        }
        return tot;
    }
 
    const geom::CircularArc &getArc(std::size_t i) const {
        return m_arcs[i];
    }
 
    auto begin() const {
        return m_arcs.begin();
    }
 
    auto end() const {
        return m_arcs.end();
    }
 
    const std::shared_ptr<const geom::CoordinateSequence>& getCoordinates() const override;
 
protected:
    std::vector<geom::CircularArc> m_arcs;
    std::shared_ptr<const geom::CoordinateSequence> m_seq;
    void* m_context;
};
 
}