planargraph/GraphComponent.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.
 *
 **********************************************************************
 *
 * Last port: planargraph/GraphComponent.java rev. 1.7 (JTS-1.7)
 *
 **********************************************************************/

#ifndef GEOS_PLANARGRAPH_GRAPHCOMPONENT_H
#define GEOS_PLANARGRAPH_GRAPHCOMPONENT_H

#include <geos/export.h>

namespace geos {
namespace planargraph { // geos.planargraph

class GEOS_DLL GraphComponent {

protected:

    bool isMarkedVar;

    bool isVisitedVar;

public:

    GraphComponent()
        :
        isMarkedVar(false),
        isVisitedVar(false)
    {}

    virtual
    ~GraphComponent() {}

    virtual bool
    isVisited() const
    {
        return isVisitedVar;
    }

    virtual void
    setVisited(bool p_isVisited)
    {
        isVisitedVar = p_isVisited;
    }

    template <typename T>
    static void
    setVisited(T start, T end, bool visited)
    {
        for(T i = start; i != end; ++i) {
            (*i)->setVisited(visited);
        }
    }

    template <typename T>
    static void
    setVisitedMap(T start, T end, bool visited)
    {
        for(T i = start; i != end; ++i) {
            i->second->setVisited(visited);
        }
    }

    template <typename T>
    static void
    setMarked(T start, T end, bool marked)
    {
        for(T i = start; i != end; ++i) {
            (*i)->setMarked(marked);
        }
    }


    template <typename T>
    static void
    setMarkedMap(T start, T end, bool marked)
    {
        for(T i = start; i != end; ++i) {
            i->second->setMarked(marked);
        }
    }

    virtual bool
    isMarked() const
    {
        return isMarkedVar;
    }

    virtual void
    setMarked(bool p_isMarked)
    {
        isMarkedVar = p_isMarked;
    }

};

// For backward compatibility
//typedef GraphComponent planarGraphComponent;

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

#endif // GEOS_PLANARGRAPH_GRAPHCOMPONENT_H