Command.h

// -*- C++ -*-
//
// Command.h is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 1999-2007 Leif Lonnblad
//
// ThePEG is licenced under version 2 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef ThePEG_Command_H
#define ThePEG_Command_H
// This is the declaration of the Command and CommandBase classes.

#include "ThePEG/Config/ThePEG.h"
#include "InterfaceBase.h"
#include "Command.fh"
#include "Command.xh"

namespace ThePEG {

class CommandBase: public InterfaceBase {

public:

  CommandBase(string newName, string newDescription, string newClassName,
                     const type_info & newTypeInfo, bool depSafe)
    : InterfaceBase(newName, newDescription, newClassName, 
                    newTypeInfo, depSafe, false) {}

  virtual string
  exec(InterfacedBase &ib, string action, string arguments) const
   ;

  virtual string doxygenType() const;

  virtual string type() const;

  virtual string cmd(InterfacedBase & ib, string c) const
    = 0;

};

template <class T>
class Command: public CommandBase {

public:

  typedef string (T::*ExeFn)(string);

public:

  Command(string newName, string newDescription,
          ExeFn newExeFn, bool depSafe = false)
    : CommandBase(newName, newDescription, 
                  ClassTraits<T>::className(), typeid(T), depSafe), 
      theExeFn(newExeFn) {}

  virtual string cmd(InterfacedBase & ib, string)
    const;


private:

  ExeFn theExeFn;

};

}

#ifndef ThePEG_TEMPLATES_IN_CC_FILE
#include "Command.tcc"
#endif

#endif /* ThePEG_Command_H */

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