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# ShortCircuitedGeometryVisitor.h

    00001 /**********************************************************************
    00002  * $Id: ShortCircuitedGeometryVisitor.h 2556 2009-06-06 22:22:28Z strk $
    00003  *
    00004  * GEOS - Geometry Engine Open Source
    00005  * http://geos.refractions.net
    00006  *
    00007  * Copyright (C) 2001-2002 Vivid Solutions Inc.
    00008  * Copyright (C) 2006 Refractions Research Inc.
    00009  *
    00010  * This is free software; you can redistribute and/or modify it under
    00011  * the terms of the GNU Lesser General Public Licence as published
    00012  * by the Free Software Foundation.
    00013  * See the COPYING file for more information.
    00014  *
    00015  **********************************************************************/
    00016
    00017 #ifndef GEOS_GEOM_UTIL_SHORTCIRCUITEDGEOMETRYVISITOR_H
    00018 #define GEOS_GEOM_UTIL_SHORTCIRCUITEDGEOMETRYVISITOR_H
    00019
    00020 #include <geos/export.h>
    00021
    00022 // Forward declarations
    00023 namespace geos {
    00024         namespace geom {
    00025                 class Geometry;
    00026         }
    00027 }
    00028
    00029
    00030 namespace geos {
    00031 namespace geom { // geos.geom
    00032 namespace util { // geos.geom.util
    00033
    00040 class GEOS_DLL ShortCircuitedGeometryVisitor
    00041 {
    00042
    00043 private:
    00044
    00045         bool done;
    00046
    00047 protected:
    00048
    00049         virtual void visit(const Geometry &element)=0;
    00050         virtual bool isDone()=0;
    00051
    00052 public:
    00053
    00054         ShortCircuitedGeometryVisitor()
    00055                 :
    00056                 done(false)
    00057                 {}
    00058
    00059         void applyTo(const Geometry &geom);
    00060
    00061         virtual ~ShortCircuitedGeometryVisitor() {}
    00062
    00063 };
    00064
    00065 } // namespace geos.geom.util
    00066 } // namespace geos.geom
    00067 } // namespace geos
    00068
    00069 //#ifdef GEOS_INLINE
    00070 //# include "geos/geom/util/ShortCircuitedGeometryVisitor.inl"
    00071 //#endif
    00072
    00073 #endif
    00074
    00075 /**********************************************************************
    00076  * $Log$
    00077  * Revision 1.3  2006/06/08 11:20:24  strk
    00078  * Added missing virtual destructor to abstract classes.
    00079  *
    00080  * Revision 1.2  2006/03/24 09:52:41  strk
    00081  * USE_INLINE => GEOS_INLINE
    00082  *
    00083  * Revision 1.1  2006/03/09 16:46:49  strk
    00084  * geos::geom namespace definition, first pass at headers split
    00085  *
    00086  **********************************************************************/