planargraph/NodeMap.h

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/**********************************************************************
 *
 * 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.
 *
 **********************************************************************/

#ifndef GEOS_PLANARGRAPH_NODEMAP_H
#define GEOS_PLANARGRAPH_NODEMAP_H

#include <geos/export.h>
#include <geos/geom/Coordinate.h> // for use in container

#include <map>
#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 planargraph {
class DirectedEdgeStar;
class DirectedEdge;
class Edge;
class Node;
}
}

namespace geos {
namespace planargraph { // geos.planargraph

class GEOS_DLL NodeMap {
public:
    typedef std::map<geom::Coordinate, Node*, geom::CoordinateLessThen> container;
private:
    container nodeMap;
public:
    NodeMap();

    container& getNodeMap();

    virtual ~NodeMap() = default;

    Node* add(Node* n);

    Node* remove(geom::Coordinate& pt);

    Node* find(const geom::Coordinate& coord);

    container::iterator
    iterator()
    {
        return nodeMap.begin();
    }

    container::iterator
    begin()
    {
        return nodeMap.begin();
    }
    container::const_iterator
    begin() const
    {
        return nodeMap.begin();
    }

    container::iterator
    end()
    {
        return nodeMap.end();
    }
    container::const_iterator
    end() const
    {
        return nodeMap.end();
    }

    void getNodes(std::vector<Node*>& nodes);
};


} // namespace geos::planargraph
} // namespace geos

#ifdef _MSC_VER
#pragma warning(pop)
#endif

#endif // GEOS_PLANARGRAPH_NODEMAP_H