67 lines
1.3 KiB
C++
67 lines
1.3 KiB
C++
/**********************************************************************
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*
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* GEOS - Geometry Engine Open Source
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* http://geos.osgeo.org
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*
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* Copyright (C) 2001-2002 Vivid Solutions Inc.
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* Copyright (C) 2006 Refractions Research Inc.
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU Lesser General Public Licence as published
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* by the Free Software Foundation.
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* See the COPYING file for more information.
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*
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**********************************************************************/
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#pragma once
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#include <geos/export.h>
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// Forward declarations
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namespace geos {
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namespace geom {
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class Geometry;
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}
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}
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namespace geos {
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namespace geom { // geos.geom
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namespace util { // geos.geom.util
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/** \brief
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* A visitor to Geometry elements which can
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* be short-circuited by a given condition
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*
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* Last port: geom/util/ShortCircuitedGeometryVisitor.java rev. 1.1 (JTS-1.7)
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*/
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class GEOS_DLL ShortCircuitedGeometryVisitor {
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private:
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bool done;
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protected:
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virtual void visit(const Geometry& element) = 0;
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virtual bool isDone() = 0;
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public:
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ShortCircuitedGeometryVisitor()
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:
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done(false)
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{}
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void applyTo(const Geometry& geom);
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virtual
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~ShortCircuitedGeometryVisitor() {}
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};
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} // namespace geos.geom.util
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} // namespace geos.geom
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} // namespace geos
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