planargraph/DirectedEdgeStar.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2001-2002 Vivid Solutions Inc.
 * Copyright (C) 2005-2006 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.
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/export.h>
 
#include <vector>
 
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
#endif
 
// Forward declarations
namespace geos {
namespace geom {
class Coordinate;
}
namespace planargraph {
class DirectedEdge;
class Edge;
}
}
 
namespace geos {
namespace planargraph { // geos.planargraph
 
class GEOS_DLL DirectedEdgeStar {
protected:
 
private:
    mutable std::vector<DirectedEdge*> outEdges;
    mutable bool sorted;
    void sortEdges() const;
 
public:
    DirectedEdgeStar(): sorted(false) {}
 
    virtual
    ~DirectedEdgeStar() {}
 
    void add(DirectedEdge* de);
 
    void remove(DirectedEdge* de);
 
    std::vector<DirectedEdge*>::iterator
    iterator()
    {
        return begin();
    }
    std::vector<DirectedEdge*>::iterator begin();
 
    std::vector<DirectedEdge*>::iterator end();
 
    std::vector<DirectedEdge*>::const_iterator begin() const;
 
    std::vector<DirectedEdge*>::const_iterator end() const;
 
    std::size_t
    getDegree() const
    {
        return outEdges.size();
    }
 
    geom::Coordinate& getCoordinate() const;
 
    std::vector<DirectedEdge*>& getEdges();
 
    int getIndex(const Edge* edge);
 
    int getIndex(const DirectedEdge* dirEdge);
 
    unsigned int getIndex(int i) const;
 
    DirectedEdge* getNextEdge(DirectedEdge* dirEdge);
};
 
} // namespace geos::planargraph
} // namespace geos
 
#ifdef _MSC_VER
#pragma warning(pop)
#endif