RosPrintfBase.hpp

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// $Id: RosPrintfBase.hpp 1186 2019-07-12 17:49:59Z mueller $
// SPDX-License-Identifier: GPL-3.0-or-later
// Copyright 2006-2011 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
// 
// Revision History: 
// Date         Rev Version  Comment
// 2011-02-25   364   1.1    Support << also to string
// 2011-01-30   357   1.0    Adopted from CTBprintfBase
// 2006-04-16     -   -      Last change on CTBprintfBase
// ---------------------------------------------------------------------------
 
#ifndef included_Retro_RosPrintfBase
#define included_Retro_RosPrintfBase 1
 
#include <ostream>
#include <string>
 
namespace Retro {
 
  class RosPrintfBase {
    public:
                    RosPrintfBase(const char* form, int width, int prec);
      virtual      ~RosPrintfBase();
 
      virtual void  ToStream(std::ostream& os) const = 0;
 
    protected:
      const char*   fForm;                  
      int           fWidth;                 
      int           fPrec;                  
  };
 
  std::ostream& operator<<(std::ostream& os, const RosPrintfBase& obj);
  std::string&  operator<<(std::string& os,  const RosPrintfBase& obj);
 
} // end namespace Retro
 
#include "RosPrintfBase.ipp"
 
#endif