EdgeEndStar.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2011 Sandro Santilli <strk@kbt.io>
 * Copyright (C) 2005-2006 Refractions Research Inc.
 * Copyright (C) 2001-2002 Vivid Solutions 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.
 *
 **********************************************************************
 *
 * Last port: geomgraph/EdgeEndStar.java r428 (JTS-1.12+)
 *
 **********************************************************************/
 
 
#pragma once
 
#include <geos/export.h>
#include <geos/geomgraph/EdgeEnd.h>  // for EdgeEndLT
#include <geos/geom/Location.h>
#include <geos/geom/Coordinate.h>  // for p0,p1
 
#include <array>
#include <set>
#include <string>
#include <vector>
#include <algorithm> // for inlines (find)
 
#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 algorithm {
class BoundaryNodeRule;
}
namespace geomgraph {
class GeometryGraph;
}
}
 
namespace geos {
namespace geomgraph { // geos.geomgraph
 
 
class GEOS_DLL EdgeEndStar {
public:
 
    typedef std::set<EdgeEnd*, EdgeEndLT> container;
 
    typedef container::iterator iterator;
    typedef container::const_iterator const_iterator;
    typedef container::reverse_iterator reverse_iterator;
 
    EdgeEndStar();
 
    virtual
    ~EdgeEndStar() {}
 
    virtual void insert(EdgeEnd* e) = 0;
 
    virtual geom::Coordinate& getCoordinate();
 
    const geom::Coordinate& getCoordinate() const;
 
    virtual std::size_t getDegree();
 
    virtual iterator begin();
 
    virtual iterator end();
 
    virtual reverse_iterator rbegin();
 
    virtual reverse_iterator rend();
 
    virtual const_iterator
    begin() const
    {
        return edgeMap.begin();
    }
 
    virtual const_iterator
    end() const
    {
        return edgeMap.end();
    }
 
    virtual container& getEdges();
 
    virtual EdgeEnd* getNextCW(EdgeEnd* ee);
 
    virtual void computeLabelling(std::vector<GeometryGraph*>* geomGraph);
    // throw(TopologyException *);
 
    virtual bool isAreaLabelsConsistent(const GeometryGraph& geomGraph);
 
    virtual void propagateSideLabels(uint32_t geomIndex);
    // throw(TopologyException *);
 
    //virtual int findIndex(EdgeEnd *eSearch);
    virtual iterator find(EdgeEnd* eSearch);
 
    virtual std::string print() const;
 
protected:
 
    EdgeEndStar::container edgeMap;
 
    virtual void
    insertEdgeEnd(EdgeEnd* e)
    {
        edgeMap.insert(e);
    }
 
private:
 
    virtual geom::Location getLocation(uint32_t geomIndex,
                                       const geom::Coordinate& p,
                                       std::vector<GeometryGraph*>* geom);
 
    std::array<geom::Location, 2> ptInAreaLocation;
 
    virtual void computeEdgeEndLabels(const algorithm::BoundaryNodeRule&);
 
    virtual bool checkAreaLabelsConsistent(uint32_t geomIndex);
 
};
 
inline std::size_t
EdgeEndStar::getDegree()
{
    return edgeMap.size();
}
 
inline EdgeEndStar::iterator
EdgeEndStar::begin()
{
    return edgeMap.begin();
}
 
inline EdgeEndStar::container&
EdgeEndStar::getEdges()
{
    return edgeMap;
}
 
inline EdgeEndStar::reverse_iterator
EdgeEndStar::rend()
{
    return edgeMap.rend();
}
 
inline EdgeEndStar::iterator
EdgeEndStar::end()
{
    return edgeMap.end();
}
 
inline EdgeEndStar::reverse_iterator
EdgeEndStar::rbegin()
{
    return edgeMap.rbegin();
}
 
inline EdgeEndStar::iterator
EdgeEndStar::find(EdgeEnd* eSearch)
{
    return edgeMap.find(eSearch);
}
 
std::ostream& operator<< (std::ostream&, const EdgeEndStar&);
 
} // namespace geos.geomgraph
} // namespace geos
 
#ifdef _MSC_VER
#pragma warning(pop)
#endif