KeyAbstract.hpp

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#ifndef __STDAIR_BOM_KEYABSTRACT_HPP
#define __STDAIR_BOM_KEYABSTRACT_HPP
 
// //////////////////////////////////////////////////////////////////////
// Import section
// //////////////////////////////////////////////////////////////////////
// STL
#include <iosfwd>
#include <string>
 
namespace stdair {

  struct KeyAbstract {
  public:
 
    // /////////// Display support methods /////////
    virtual void toStream (std::ostream& ioOut) const {}

    virtual void fromStream (std::istream& ioIn) {}

    virtual const std::string toString() const { return std::string("Hello!"); }

    virtual ~KeyAbstract() {}
  };
 
}

template <class charT, class traits>
inline
std::basic_ostream<charT, traits>&
operator<< (std::basic_ostream<charT, traits>& ioOut,
            const stdair::KeyAbstract& iKey) {
  std::basic_ostringstream<charT,traits> ostr;
  ostr.copyfmt (ioOut);
  ostr.width (0);
 
  // Fill string stream
  iKey.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,
            stdair::KeyAbstract& ioKey) {
  // Fill Key object with input stream
  ioKey.fromStream (ioIn);
  return ioIn;
}
 
#endif // __STDAIR_BOM_KEYABSTRACT_HPP