planargraph/GraphComponent.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.
 *
 **********************************************************************
 *
 * 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 isVisited) { isVisitedVar=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 isMarked) { isMarkedVar=isMarked; }
 
};
 
// For backward compatibility
//typedef GraphComponent planarGraphComponent;
 
} // namespace geos::planargraph
} // namespace geos
 
#endif // GEOS_PLANARGRAPH_GRAPHCOMPONENT_H