/********************************************************************** * * 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. * **********************************************************************/ #pragma once #include // Forward declarations namespace geos { namespace geom { class Geometry; } } namespace geos { namespace geom { // geos.geom namespace util { // geos.geom.util /** \brief * A visitor to Geometry elements which can * be short-circuited by a given condition * * Last port: geom/util/ShortCircuitedGeometryVisitor.java rev. 1.1 (JTS-1.7) */ 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