ShortCircuitedGeometryVisitor.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2001-2002 Vivid Solutions Inc.
 * Copyright (C) 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_GEOM_UTIL_SHORTCIRCUITEDGEOMETRYVISITOR_H
#define GEOS_GEOM_UTIL_SHORTCIRCUITEDGEOMETRYVISITOR_H
 
#include <geos/export.h>
 
// Forward declarations
namespace geos {
        namespace geom {
                class Geometry;
        }
}
 
 
namespace geos {
namespace geom { // geos.geom
namespace util { // geos.geom.util

class GEOS_DLL ShortCircuitedGeometryVisitor
{
 
private:
 
        bool done;
 
protected:
 
        virtual void visit(const Geometry &element)=0;
        virtual bool isDone()=0;
 
public:
 
        ShortCircuitedGeometryVisitor()
                :
                done(false)
                {}
 
        void applyTo(const Geometry &geom);
 
        virtual ~ShortCircuitedGeometryVisitor() {}
 
};
 
} // namespace geos.geom.util
} // namespace geos.geom
} // namespace geos
 
#endif