image_state_visitor.hh

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//------------------------------------------------------------------------------
// This file is part of the OpenStructure project <www.openstructure.org>
//
// Copyright (C) 2008-2011 by the OpenStructure authors
// Copyright (C) 2003-2010 by the IPLT authors
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License as published by the Free
// Software Foundation; either version 3.0 of the License, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
// details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this library; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//------------------------------------------------------------------------------

/*
  Author: Ansgar Philippsen
*/

#ifndef IMG_IMAGE_STATE_VISITOR_HH
#define IMG_IMAGE_STATE_VISITOR_HH

#include <ost/img/data_algorithm.hh>
#include "image_state_impl.hh"
#include "image_state_def.hh"

namespace ost { namespace img { namespace image_state {

class DLLEXPORT InvalidImageStateVisitor: public Error {
public:
  InvalidImageStateVisitor(const String& m): Error(m) {}
};

/*
  one-time definition of the constructor adapters, allowing
  zero to 10 ctor parameters to be automagically used. There
  is probably a recursive way to do this more elegantly...
*/

#define IMAGE_STATE_VISITOR_CTOR_ADAPTERS(CLASS) \
  /* no param */                                 \
  CLASS (): FNC() {}                             \
  /* 1 param */                                  \
  template <class P0>                            \
  CLASS (const P0& p0):                          \
    FNC(p0) {}                                   \
  /* 2 params */                                 \
  template <class P0,                            \
            class P1>                            \
  CLASS (const P0& p0,                           \
   const P1& p1):                          \
    FNC(p0,p1) {}                                \
  /* 3 params */                                 \
  template <class P0,                            \
            class P1,                            \
            class P2>                            \
  CLASS (const P0& p0,                           \
   const P1& p1,                           \
         const P2& p2):                          \
    FNC(p0,p1,p2) {}                             \
  /* 4 params */                                 \
  template <class P0,                            \
            class P1,                            \
            class P2,                            \
            class P3>                            \
  CLASS (const P0& p0,                           \
   const P1& p1,                           \
         const P2& p2,                           \
         const P3& p3):                          \
    FNC(p0,p1,p2,p3) {}                          \
  /* 5 params */                                 \
  template <class P0,                            \
            class P1,                            \
            class P2,                            \
            class P3,                            \
            class P4>                            \
  CLASS (const P0& p0,                           \
   const P1& p1,                           \
         const P2& p2,                           \
         const P3& p3,                           \
         const P4& p4):                          \
    FNC(p0,p1,p2,p3,p4) {}                       \
  /* 6 params */                                 \
  template <class P0,                            \
            class P1,                            \
            class P2,                            \
            class P3,                            \
            class P4,                            \
            class P5>                            \
  CLASS (const P0& p0,                           \
   const P1& p1,                           \
         const P2& p2,                           \
         const P3& p3,                           \
         const P4& p4,                           \
         const P5& p5):                          \
    FNC(p0,p1,p2,p3,p4,p5) {}                    \
  /* 7 params */                                 \
  template <class P0,                            \
            class P1,                            \
            class P2,                            \
            class P3,                            \
            class P4,                            \
            class P5,                            \
            class P6>                            \
  CLASS (const P0& p0,                           \
   const P1& p1,                           \
         const P2& p2,                           \
         const P3& p3,                           \
         const P4& p4,                           \
         const P5& p5,                           \
         const P6& p6):                          \
    FNC(p0,p1,p2,p3,p4,p5,p6) {}                 \
  /* 8 params */                                 \
  template <class P0,                            \
            class P1,                            \
            class P2,                            \
            class P3,                            \
            class P4,                            \
            class P5,                            \
            class P6,                            \
            class P7>                            \
  CLASS (const P0& p0,                           \
   const P1& p1,                           \
         const P2& p2,                           \
         const P3& p3,                           \
         const P4& p4,                           \
         const P5& p5,                           \
         const P6& p6,                           \
         const P7& p7):                          \
    FNC(p0,p1,p2,p3,p4,p5,p6,p7) {}              \
  /* 9 params */                                 \
  template <class P0,                            \
            class P1,                            \
            class P2,                            \
            class P3,                            \
            class P4,                            \
            class P5,                            \
            class P6,                            \
            class P7,                            \
            class P8>                            \
  CLASS (const P0& p0,                           \
   const P1& p1,                           \
         const P2& p2,                           \
         const P3& p3,                           \
         const P4& p4,                           \
         const P5& p5,                           \
         const P6& p6,                           \
         const P7& p7,                           \
         const P8& p8):                          \
    FNC(p0,p1,p2,p3,p4,p5,p6,p7,p8) {}           \
  /* 10 params */                                \
  template <class P0,                            \
            class P1,                            \
            class P2,                            \
            class P3,                            \
            class P4,                            \
            class P5,                            \
            class P6,                            \
            class P7,                            \
            class P8,                            \
            class P9>                            \
  CLASS (const P0& p0,                           \
   const P1& p1,                           \
         const P2& p2,                           \
         const P3& p3,                           \
         const P4& p4,                           \
         const P5& p5,                           \
         const P6& p6,                           \
         const P7& p7,                           \
         const P8& p8,                           \
         const P9& p9):                          \
    FNC(p0,p1,p2,p3,p4,p5,p6,p7,p8,p9) {}        \
  /* 11 params */                                \
  template <class P0,                            \
            class P1,                            \
            class P2,                            \
            class P3,                            \
            class P4,                            \
            class P5,                            \
            class P6,                            \
            class P7,                            \
            class P8,                            \
            class P9,                            \
            class PA>                            \
  CLASS (const P0& p0,                           \
   const P1& p1,                           \
         const P2& p2,                           \
         const P3& p3,                           \
         const P4& p4,                           \
         const P5& p5,                           \
         const P6& p6,                           \
         const P7& p7,                           \
         const P8& p8,                           \
         const P9& p9,                           \
         const PA& pa):                          \
    FNC(p0,p1,p2,p3,p4,p5,p6,p7,p8,p9,pa) {}     \
  /* 12 params */                                \
  template <class P0,                            \
            class P1,                            \
            class P2,                            \
            class P3,                            \
            class P4,                            \
            class P5,                            \
            class P6,                            \
            class P7,                            \
            class P8,                            \
            class P9,                            \
            class PA,                            \
            class PB>                            \
  CLASS (const P0& p0,                           \
   const P1& p1,                           \
         const P2& p2,                           \
         const P3& p3,                           \
         const P4& p4,                           \
         const P5& p5,                           \
         const P6& p6,                           \
         const P7& p7,                           \
         const P8& p8,                           \
         const P9& p9,                           \
         const PA& pa,                           \
         const PB& pb):                          \
    FNC(p0,p1,p2,p3,p4,p5,p6,p7,p8,p9,pa,pb) {}


class DLLEXPORT_OST_IMG_BASE ImageStateNonModVisitorBase {
public:
  virtual ~ImageStateNonModVisitorBase() {}
  virtual void Visit_(const RealSpatialImageState& is) = 0;
  virtual void Visit_(const ComplexSpatialImageState& is) = 0;
  virtual void Visit_(const RealFrequencyImageState& is) = 0;
  virtual void Visit_(const ComplexFrequencyImageState& is) = 0;
  virtual void Visit_(const ComplexHalfFrequencyImageState& is) = 0;
  virtual void Visit_(const WordSpatialImageState& is) = 0;
};



template <class FNC>
class DLLEXPORT ImageStateNonModVisitor: public FNC, public ImageStateNonModVisitorBase {
public:
  
  IMAGE_STATE_VISITOR_CTOR_ADAPTERS(ImageStateNonModVisitor)

  // base interface
  virtual void Visit_(const RealSpatialImageState& is) {T_Visit_(is);}
  virtual void Visit_(const ComplexSpatialImageState& is) {T_Visit_(is);}
  virtual void Visit_(const RealFrequencyImageState& is) {T_Visit_(is);}
  virtual void Visit_(const ComplexFrequencyImageState& is) {T_Visit_(is);}
  virtual void Visit_(const ComplexHalfFrequencyImageState& is) {T_Visit_(is);}
  virtual void Visit_(const WordSpatialImageState& is) {T_Visit_(is);}

private:
  template <typename T, class D>
  void T_Visit_(const ImageStateImpl<T,D>& isi) {
    this->VisitState(isi);
  }
};


class DLLEXPORT_OST_IMG_BASE ImageStateModIPVisitorBase {
public:
  ImageStateModIPVisitorBase(const String& name="") {}
  virtual ~ImageStateModIPVisitorBase() {}
  virtual void Visit_(RealSpatialImageState& is) = 0;
  virtual void Visit_(ComplexSpatialImageState& is) = 0;
  virtual void Visit_(RealFrequencyImageState& is) = 0;
  virtual void Visit_(ComplexFrequencyImageState& is) = 0;
  virtual void Visit_(ComplexHalfFrequencyImageState& is) = 0;
  virtual void Visit_(WordSpatialImageState& is) = 0;
};



template <class FNC>
class DLLEXPORT ImageStateModIPVisitor: public FNC, public ImageStateModIPVisitorBase {
public:
  IMAGE_STATE_VISITOR_CTOR_ADAPTERS(ImageStateModIPVisitor)

  virtual void Visit_(RealSpatialImageState& is) {T_Visit_(is);}
  virtual void Visit_(ComplexSpatialImageState& is) {T_Visit_(is);}
  virtual void Visit_(RealFrequencyImageState& is) {T_Visit_(is);}
  virtual void Visit_(ComplexFrequencyImageState& is) {T_Visit_(is);}
  virtual void Visit_(ComplexHalfFrequencyImageState& is) {T_Visit_(is);}
  virtual void Visit_(WordSpatialImageState& is) {T_Visit_(is);}

private:
  template <typename T, class D>
  void T_Visit_(ImageStateImpl<T,D>& isi) {
    this->VisitState(isi);
  }
};


class DLLEXPORT_OST_IMG_BASE ImageStateConstModIPVisitorBase {
public:
  ImageStateConstModIPVisitorBase(const String& name="") {}
  virtual ~ImageStateConstModIPVisitorBase() {}
  virtual void Visit_(RealSpatialImageState& is) const = 0;
  virtual void Visit_(ComplexSpatialImageState& is) const = 0;
  virtual void Visit_(RealFrequencyImageState& is) const = 0;
  virtual void Visit_(ComplexFrequencyImageState& is) const = 0;
  virtual void Visit_(ComplexHalfFrequencyImageState& is) const = 0;
  virtual void Visit_(WordSpatialImageState& is) const = 0;
};



template <class FNC>
class DLLEXPORT_OST_IMG_BASE ImageStateConstModIPVisitor: public FNC, public ImageStateConstModIPVisitorBase {
public:
  IMAGE_STATE_VISITOR_CTOR_ADAPTERS(ImageStateConstModIPVisitor)

  virtual void Visit_(RealSpatialImageState& is) const {T_Visit_(is);}
  virtual void Visit_(ComplexSpatialImageState& is) const {T_Visit_(is);}
  virtual void Visit_(RealFrequencyImageState& is) const {T_Visit_(is);}
  virtual void Visit_(ComplexFrequencyImageState& is) const {T_Visit_(is);}
  virtual void Visit_(ComplexHalfFrequencyImageState& is) const {T_Visit_(is);}
  virtual void Visit_(WordSpatialImageState& is) const {T_Visit_(is);}

private:
  template <typename T, class D>
  void T_Visit_(ImageStateImpl<T,D>& isi) const {
    this->VisitState(isi);
  }
};


class DLLEXPORT_OST_IMG_BASE ImageStateModOPVisitorBase {
public:
  ImageStateModOPVisitorBase(const String& name="") {}
  virtual ~ImageStateModOPVisitorBase() {}
  virtual ImageStateBasePtr Visit_(const RealSpatialImageState& is) = 0;
  virtual ImageStateBasePtr Visit_(const ComplexSpatialImageState& is) = 0;
  virtual ImageStateBasePtr Visit_(const RealFrequencyImageState& is) = 0;
  virtual ImageStateBasePtr Visit_(const ComplexFrequencyImageState& is) = 0;
  virtual ImageStateBasePtr Visit_(const ComplexHalfFrequencyImageState& is) = 0;
  virtual ImageStateBasePtr Visit_(const WordSpatialImageState& is) = 0;
};


template <class FNC>
class DLLEXPORT ImageStateModOPVisitor: public FNC, public ImageStateModOPVisitorBase {
public:

  IMAGE_STATE_VISITOR_CTOR_ADAPTERS(ImageStateModOPVisitor)

  virtual ImageStateBasePtr Visit_(const RealSpatialImageState& is) {return T_Visit_(is);}
  virtual ImageStateBasePtr Visit_(const ComplexSpatialImageState& is) {return T_Visit_(is);}
  virtual ImageStateBasePtr Visit_(const RealFrequencyImageState& is) {return T_Visit_(is);}
  virtual ImageStateBasePtr Visit_(const ComplexFrequencyImageState& is) {return T_Visit_(is);}
  virtual ImageStateBasePtr Visit_(const ComplexHalfFrequencyImageState& is) {return T_Visit_(is);}
  virtual ImageStateBasePtr Visit_(const WordSpatialImageState& is) {return T_Visit_(is);}

private:
  template <typename T, class D>
  ImageStateBasePtr T_Visit_(const ImageStateImpl<T,D>& isi) {
    return this->VisitState(isi);
  }
};


class DLLEXPORT_OST_IMG_BASE ImageStateConstModOPVisitorBase {
public:
  ImageStateConstModOPVisitorBase(const String& name="") {}
  virtual ~ImageStateConstModOPVisitorBase() {}
  virtual ImageStateBasePtr Visit_(const RealSpatialImageState& is) const = 0;
  virtual ImageStateBasePtr Visit_(const ComplexSpatialImageState& is) const = 0;
  virtual ImageStateBasePtr Visit_(const RealFrequencyImageState& is) const = 0;
  virtual ImageStateBasePtr Visit_(const ComplexFrequencyImageState& is) const = 0;
  virtual ImageStateBasePtr Visit_(const ComplexHalfFrequencyImageState& is) const = 0;
  virtual ImageStateBasePtr Visit_(const WordSpatialImageState& is) const = 0;
};


template <class FNC>
class DLLEXPORT_OST_IMG_BASE ImageStateConstModOPVisitor: public FNC, public ImageStateConstModOPVisitorBase {
public:

  IMAGE_STATE_VISITOR_CTOR_ADAPTERS(ImageStateConstModOPVisitor)

  virtual ImageStateBasePtr Visit_(const RealSpatialImageState& is) const {return T_Visit_(is);}
  virtual ImageStateBasePtr Visit_(const ComplexSpatialImageState& is) const {return T_Visit_(is);}
  virtual ImageStateBasePtr Visit_(const RealFrequencyImageState& is) const {return T_Visit_(is);}
  virtual ImageStateBasePtr Visit_(const ComplexFrequencyImageState& is) const {return T_Visit_(is);}
  virtual ImageStateBasePtr Visit_(const ComplexHalfFrequencyImageState& is) const {return T_Visit_(is);}
  virtual ImageStateBasePtr Visit_(const WordSpatialImageState& is) const {return T_Visit_(is);}

private:
  template <typename T, class D>
  ImageStateBasePtr T_Visit_(const ImageStateImpl<T,D>& isi) const {
    return this->VisitState(isi);
  }
};

class DLLEXPORT_OST_IMG_BASE ImageStateMorphVisitorBase {
public:
  ImageStateMorphVisitorBase(const String& name="") {}
  virtual ~ImageStateMorphVisitorBase() {}
  virtual ImageStateBasePtr Visit_(RealSpatialImageState& is) = 0;
  virtual ImageStateBasePtr Visit_(ComplexSpatialImageState& is) = 0;
  virtual ImageStateBasePtr Visit_(RealFrequencyImageState& is) = 0;
  virtual ImageStateBasePtr Visit_(ComplexFrequencyImageState& is) = 0;
  virtual ImageStateBasePtr Visit_(ComplexHalfFrequencyImageState& is) = 0;
  virtual ImageStateBasePtr Visit_(WordSpatialImageState& is) = 0;
};


template <class FNC>
class DLLEXPORT_OST_IMG_BASE ImageStateMorphVisitor: public FNC, public ImageStateMorphVisitorBase {
public:

  IMAGE_STATE_VISITOR_CTOR_ADAPTERS(ImageStateMorphVisitor)

  virtual ImageStateBasePtr Visit_(RealSpatialImageState& is) {return T_Visit_(is);}
  virtual ImageStateBasePtr Visit_(ComplexSpatialImageState& is) {return T_Visit_(is);}
  virtual ImageStateBasePtr Visit_(RealFrequencyImageState& is) {return T_Visit_(is);}
  virtual ImageStateBasePtr Visit_(ComplexFrequencyImageState& is) {return T_Visit_(is);}
  virtual ImageStateBasePtr Visit_(ComplexHalfFrequencyImageState& is) {return T_Visit_(is);}
  virtual ImageStateBasePtr Visit_(WordSpatialImageState& is) {return T_Visit_(is);}

private:
  template <typename T, class D>
  ImageStateBasePtr T_Visit_(ImageStateImpl<T,D>& isi) {
    return this->VisitState(isi);
  }
};

#undef IMAGE_STATE_VISITOR_CTOR_ADAPTERS

}}} // ns

#endif