VRS - The Virtual Rendering System

version 3.3

functioncallback.h

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 /**********************************************************************
 VRS - The Virtual Rendering System
 Copyright (C) 2001 Computer Graphics Systems Group at the 
 Hasso-Plattner-Institute, Potsdam, Germany.
 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 2.1 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 FreeSoftware 
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA, 02111-1307, USA.
 **********************************************************************/
// $Id: functioncallback.h 6707 2009-10-01 07:51:43Z Tassilo_Glander $
// $Date: 2009-10-01 09:51:43 +0200 (Thu, 01 Oct 2009) $
// $Revision: 6707 $
// $State$
// $Author: Tassilo_Glander $
//
// $Log$
// Revision 1.14  2005/01/03 01:43:07  klimetschek
// - modified win32 project layout, splitted vrs.vcproj into vrs_container, vrs_core, vrs_sg, vrs_image, vrs_opengl and vrs_io
// - removed vrs.vcproj
// minor things:
// - added all glutexamples to vrs4glut.sln
// - fixed some problems in glutexamples
// - removed all project references from all VS projects (using solution wide project dependencies instead)
//
// Revision 1.13  2004/11/05 13:58:09  basch
// Class comment changed (Doxygen style)
//
// Revision 1.12  2004/03/12 16:28:38  baumann
// macros VRS_NAMESPACE_BEGIN/_END expanded and removed
//
// Revision 1.11  2003/11/07 14:19:24  kirsch
// removed leading underscore from include guards
//
// Revision 1.10  2002/08/06 16:24:01  baumann
// VRS_CORE_API removed for template classes
//
// Revision 1.9  2002/03/03 21:44:24  kosta
// VRS_TYPEINFO-macro rewritten
//
// Revision 1.8  2002/02/19 10:34:08  kosta
// undone all changes since 2002-02-15
//
// Revision 1.5  2002/01/26 23:42:02  kosta
// changed macro TEMPLATE_ARGS_* to VRS_TEMPLATE_ARGS_*
//
// Revision 1.4  2002/01/15 16:25:53  kosta
// macros rewritten for a better namespace support
//
// Revision 1.3  2002/01/11 12:51:20  kosta
// callback specification simplified by functions makeCallback() and makeCallbackWithReturn()
//
// Revision 1.2  2001/11/13 16:36:30  kirsch
// changed line feed to unix style (removed control-M)
//
// Revision 1.1.1.1  2001/06/08 08:09:20  kirsch
// imported alpha-version by olli 
//


#ifndef VRS_FUNCTIONCALLBACK_H
#define VRS_FUNCTIONCALLBACK_H

#include <vrs/callback.h>

namespace VRS {

class VRS_CORE_API FunctionCallback : public Callback {

public:

    FunctionCallback(void (*func)())
        : func_(func) {  VRS_Assertion(func, "no function"); }
    virtual void callback() { (*func_)(); }

    VRS_TYPEINFO(FunctionCallback, Callback);

private:
    void (*func_)();
};

template<class RETURN>
class FunctionCallbackR : public CallbackR<RETURN> {

public:

    FunctionCallbackR(RETURN (*func)())
        : func_(func) {  VRS_Assertion(func, "no function"); }
    virtual RETURN callback() { return (*func_)(); }

    VRS_TYPEINFO(FunctionCallbackR, CallbackR<RETURN>);

private:
    RETURN (*func_)();
};

template<class ARG1>
class FunctionCallback1 : public Callback1<ARG1> {

public:

    FunctionCallback1(void (*func)(ARG1))
        : func_(func) {  VRS_Assertion(func, "no function"); }
    virtual void callback(ARG1 arg1) { (*func_)(arg1); }

    VRS_TYPEINFO(FunctionCallback1, Callback1<ARG1>);

private:
    void (*func_)(ARG1);
};

template<class RETURN, class ARG1>
class FunctionCallbackR1 : public CallbackR1<RETURN, ARG1> {

public:

    FunctionCallbackR1(RETURN (*func)(ARG1))
        : func_(func) {  VRS_Assertion(func, "no function"); }
    virtual RETURN callback(ARG1 arg1) { return (*func_)(arg1); }

    VRS_TYPEINFO(FunctionCallbackR1, VRS_TEMPLATE_ARGS_2(RETURN, ARG1, CallbackR1));

private:
    RETURN (*func_)(ARG1);
};

template<class ARG1, class ARG2>
class FunctionCallback2 : public Callback2<ARG1, ARG2> {

public:

    FunctionCallback2(void (*func)(ARG1, ARG2))
        : func_(func) {  VRS_Assertion(func, "no function"); }
    virtual void callback(ARG1 arg1, ARG2 arg2) { (*func_)(arg1, arg2); }

    VRS_TYPEINFO(FunctionCallback2, VRS_TEMPLATE_ARGS_2(ARG1, ARG2, Callback2));

private:
    void (*func_)(ARG1, ARG2);
};

template<class RETURN, class ARG1, class ARG2>
class FunctionCallbackR2 : public CallbackR2<RETURN, ARG1, ARG2> {

public:

    FunctionCallbackR2(RETURN (*func)(ARG1, ARG2))
        : func_(func) {  VRS_Assertion(func, "no function"); }
    virtual RETURN callback(ARG1 arg1, ARG2 arg2) { return (*func_)(arg1, arg2); }

    VRS_TYPEINFO(FunctionCallbackR2, VRS_TEMPLATE_ARGS_3(RETURN, ARG1, ARG2, CallbackR2));

private:
    RETURN (*func_)(ARG1, ARG2);
};

template<class ARG1, class ARG2, class ARG3>
class FunctionCallback3 : public Callback3<ARG1, ARG2, ARG3> {

public:

    FunctionCallback3(void (*func)(ARG1, ARG2, ARG3))
        : func_(func) {  VRS_Assertion(func, "no function"); }
    virtual void callback(ARG1 arg1, ARG2 arg2, ARG3 arg3) { (*func_)(arg1, arg2, arg3); }

    VRS_TYPEINFO(FunctionCallback3, VRS_TEMPLATE_ARGS_3(ARG1, ARG2, ARG3, Callback3));

private:
    void (*func_)(ARG1, ARG2, ARG3);
};

template<class RETURN, class ARG1, class ARG2, class ARG3>
class FunctionCallbackR3 : public CallbackR3<RETURN, ARG1, ARG2, ARG3> {

public:

    FunctionCallbackR3(RETURN (*func)(ARG1, ARG2, ARG3))
        : func_(func) {  VRS_Assertion(func, "no function"); }
    virtual RETURN callback(ARG1 arg1, ARG2 arg2, ARG3 arg3) { return (*func_)(arg1, arg2, arg3); }

    VRS_TYPEINFO(FunctionCallbackR3, VRS_TEMPLATE_ARGS_4(RETURN, ARG1, ARG2, ARG3, CallbackR3));

private:
    RETURN (*func_)(ARG1, ARG2, ARG3);
};


template<class ARG1, class ARG2, class ARG3, class ARG4>
class FunctionCallback4 : public Callback4<ARG1, ARG2, ARG3, ARG4> {

public:

  FunctionCallback4(void (*func)(ARG1, ARG2, ARG3, ARG4))
    : func_(func) {  VRS_Assertion(func, "no function"); }
  virtual void callback(ARG1 arg1, ARG2 arg2, ARG3 arg3, ARG4 arg4) { (*func_)(arg1, arg2, arg3, arg4); }

  VRS_TYPEINFO(FunctionCallback4, VRS_TEMPLATE_ARGS_4(ARG1, ARG2, ARG3, ARG4, Callback4));

private:
  void (*func_)(ARG1, ARG2, ARG3, ARG4);
};

template<class RETURN, class ARG1, class ARG2, class ARG3, class ARG4>
class FunctionCallbackR4 : public CallbackR4<RETURN, ARG1, ARG2, ARG3,ARG4> {

public:

  FunctionCallbackR4(RETURN (*func)(ARG1, ARG2, ARG3, ARG4))
    : func_(func) {  VRS_Assertion(func, "no function"); }
  virtual RETURN callback(ARG1 arg1, ARG2 arg2, ARG3 arg3, ARG4 arg4) { return (*func_)(arg1, arg2, arg3, arg4); }

  VRS_TYPEINFO(FunctionCallbackR4, VRS_TEMPLATE_ARGS_5(RETURN, ARG1, ARG2, ARG3, ARG4, CallbackR4));

private:
  RETURN (*func_)(ARG1, ARG2, ARG3,ARG4);
};

inline Callback* makeCallback(void (*func)()) {
    return new FunctionCallback(func);
}

template<class RETURN>
inline CallbackR<RETURN>* makeCallbackWithReturn(RETURN (*func)()) {
    return new FunctionCallbackR<RETURN>(func);
}

template<class ARG1>
inline Callback1<ARG1>* makeCallback(void (*func)(ARG1)) {
    return new FunctionCallback1<ARG1>(func);
}

template<class RETURN, class ARG1>
inline CallbackR1<RETURN, ARG1>* makeCallbackWithReturn(RETURN (*func)(ARG1)) {
    return new FunctionCallbackR1<RETURN, ARG1>(func);
}

template<class ARG1, class ARG2>
inline Callback2<ARG1, ARG2>* makeCallback(void (*func)(ARG1, ARG2)) {
    return new FunctionCallback2<ARG1, ARG2>(func);
}

template<class RETURN, class ARG1, class ARG2>
inline CallbackR2<RETURN, ARG1, ARG2>* makeCallbackWithReturn(RETURN (*func)(ARG1, ARG2)) {
    return new FunctionCallbackR2<RETURN, ARG1, ARG2>(func);
}

template<class ARG1, class ARG2, class ARG3>
inline Callback3<ARG1, ARG2, ARG3>* makeCallback(void (*func)(ARG1, ARG2, ARG3)) {
    return new FunctionCallback3<ARG1, ARG2, ARG3>(func);
}

template<class RETURN, class ARG1, class ARG2, class ARG3>
inline CallbackR3<RETURN, ARG1, ARG2, ARG3>* makeCallbackWithReturn(RETURN (*func)(ARG1, ARG2, ARG3)) {
    return new FunctionCallbackR3<RETURN, ARG1, ARG2, ARG3>(func);
}

template<class ARG1, class ARG2, class ARG3, class ARG4>
inline Callback4<ARG1, ARG2, ARG3, ARG4>* makeCallback(void (*func)(ARG1, ARG2, ARG3, ARG4)) {
        return new FunctionCallback4<ARG1, ARG2, ARG3,ARG4>(func);
}

template<class RETURN, class ARG1, class ARG2, class ARG3, class ARG4>
inline CallbackR4<RETURN, ARG1, ARG2, ARG3, ARG4>* makeCallbackWithReturn(RETURN (*func)(ARG1, ARG2, ARG3, ARG4)) {
  return new FunctionCallbackR4<RETURN, ARG1, ARG2, ARG3, ARG4>(func);
}


} // namespace VRS

#endif // VRS_FUNCTIONCALLBACK_H

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