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# ShortCircuitedGeometryVisitor.h

    00001 /**********************************************************************
    00002  * $Id: ShortCircuitedGeometryVisitor.h 1820 2006-09-06 16:54:23Z mloskot $
    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 // Forward declarations
    00021 namespace geos {
    00022         namespace geom {
    00023                 class Geometry;
    00024         }
    00025 }
    00026
    00027
    00028 namespace geos {
    00029 namespace geom { // geos.geom
    00030 namespace util { // geos.geom.util
    00031
    00038 class ShortCircuitedGeometryVisitor
    00039 {
    00040
    00041 private:
    00042
    00043         bool done;
    00044
    00045 protected:
    00046
    00047         virtual void visit(const Geometry &element)=0;
    00048         virtual bool isDone()=0;
    00049
    00050 public:
    00051
    00052         ShortCircuitedGeometryVisitor()
    00053                 :
    00054                 done(false)
    00055                 {}
    00056
    00057         void applyTo(const Geometry &geom);
    00058
    00059         virtual ~ShortCircuitedGeometryVisitor() {}
    00060
    00061 };
    00062
    00063 } // namespace geos.geom.util
    00064 } // namespace geos.geom
    00065 } // namespace geos
    00066
    00067 //#ifdef GEOS_INLINE
    00068 //# include "geos/geom/util/ShortCircuitedGeometryVisitor.inl"
    00069 //#endif
    00070
    00071 #endif
    00072
    00073 /**********************************************************************
    00074  * $Log$
    00075  * Revision 1.3  2006/06/08 11:20:24  strk
    00076  * Added missing virtual destructor to abstract classes.
    00077  *
    00078  * Revision 1.2  2006/03/24 09:52:41  strk
    00079  * USE_INLINE => GEOS_INLINE
    00080  *
    00081  * Revision 1.1  2006/03/09 16:46:49  strk
    00082  * geos::geom namespace definition, first pass at headers split
    00083  *
    00084  **********************************************************************/