GeometryMapper.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2021 Paul Ramsey <pramsey@cleverelephant.ca>
 *
 * 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.
 *
 **********************************************************************
 *
 * Last port: geom/util/GeometryMapper.java
 *
 **********************************************************************/
 
#pragma once
 
#include <memory>
#include <vector>
#include <functional>
 
#include <geos/export.h>
 
// Forward declarations
namespace geos {
namespace geom {
class Geometry;
class GeometryCollection;
class GeometryFactory;
}
}
 
namespace geos {
namespace geom { // geos.geom
namespace util { // geos.geom.util
 
 
class GEOS_DLL GeometryMapper {
 
public:
 
    typedef std::function<std::unique_ptr<Geometry>(const Geometry&)> mapOp;
 
    static std::unique_ptr<Geometry> map(
        const Geometry& geom,
        mapOp op);
 
    static std::unique_ptr<Geometry> flatMap(
        const Geometry& geom,
        int emptyDim,
        mapOp op);
 
 
 
private:
 
    static void flatMap(
        const Geometry& geom,
        mapOp op,
        std::vector<std::unique_ptr<Geometry>>& mapped);
 
    static void addFlat(
        std::unique_ptr<Geometry>& geom,
        std::vector<std::unique_ptr<Geometry>>& geomList);
 
 
 
};
 
} // namespace geos.geom.util
} // namespace geos.geom
} // namespace geos