00001 /********************************************************************** 00002 * $Id: CoordinateFilter.h 1986 2007-06-08 15:27:42Z mloskot $ 00003 * 00004 * GEOS - Geometry Engine Open Source 00005 * http://geos.refractions.net 00006 * 00007 * Copyright (C) 2005-2006 Refractions Research Inc. 00008 * 00009 * This is free software; you can redistribute and/or modify it under 00010 * the terms of the GNU Lesser General Public Licence as published 00011 * by the Free Software Foundation. 00012 * See the COPYING file for more information. 00013 * 00014 **********************************************************************/ 00015 00016 #ifndef GEOS_GEOM_COORDINATEFILTER_H 00017 #define GEOS_GEOM_COORDINATEFILTER_H 00018 00019 #include <geos/inline.h> 00020 00021 #include <cassert> 00022 00023 namespace geos { 00024 namespace geom { // geos::geom 00025 00026 class Coordinate; 00027 00043 class CoordinateFilter { 00044 public: 00045 virtual ~CoordinateFilter() {} 00046 00052 virtual void filter_rw(Coordinate* /*coord*/) const { assert(0); } 00053 00059 virtual void filter_ro(const Coordinate* /*coord*/) { assert(0); } 00060 }; 00061 00062 } // namespace geos::geom 00063 } // namespace geos 00064 00065 //#ifdef GEOS_INLINE 00066 //# include "geos/geom/CoordinateFilter.inl" 00067 //#endif 00068 00069 #endif // ndef GEOS_GEOM_COORDINATEFILTER_H 00070 00071 /********************************************************************** 00072 * $Log$ 00073 * Revision 1.4 2006/06/19 23:33:03 strk 00074 * Don't *require* CoordinateFilters to define both read-only and read-write methods. 00075 * 00076 * Revision 1.3 2006/03/24 09:52:41 strk 00077 * USE_INLINE => GEOS_INLINE 00078 * 00079 * Revision 1.2 2006/03/13 21:13:54 strk 00080 * Added comment about possible refactoring 00081 * 00082 * Revision 1.1 2006/03/09 16:46:49 strk 00083 * geos::geom namespace definition, first pass at headers split 00084 * 00085 **********************************************************************/