DbaAbstract.hpp

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#ifndef __OPENTREP_COM_DBA_DBAABSTRACT_HPP
#define __OPENTREP_COM_DBA_DBAABSTRACT_HPP

// //////////////////////////////////////////////////////////////////////
// Import section
// //////////////////////////////////////////////////////////////////////
// STL
#include <iostream>
#include <sstream>

namespace OPENTREP {

  class DbaAbstract {
  public:

    virtual ~DbaAbstract() {}
    
    virtual void toStream (std::ostream& ioOut) const {}
    
    virtual void fromStream (std::istream& ioIn) {}
    
  protected:
    DbaAbstract() {}
  };
}

template <class charT, class traits>
inline
std::basic_ostream<charT, traits>&
operator<< (std::basic_ostream<charT, traits>& ioOut,
            const OPENTREP::DbaAbstract& iDba) {
  std::basic_ostringstream<charT,traits> ostr;
  ostr.copyfmt (ioOut);
  ostr.width (0);

  // Fill string stream
  iDba.toStream (ostr);

  // Print string stream
  ioOut << ostr.str();

  return ioOut;
}

template <class charT, class traits>
inline
std::basic_istream<charT, traits>&
operator>> (std::basic_istream<charT, traits>& ioIn,
            OPENTREP::DbaAbstract& ioDba) {
  // Fill Dba object with input stream
  ioDba.fromStream (ioIn);
  return ioIn;
}

#endif // __OPENTREP_COM_DBA_DBAABSTRACT_HPP