////////////////////////////////////////////////////////////////////////////////
/*! @file AttrName.h   Class sAttrName.
- Part of RANet - Research Assistant Net Library (based on ANSI C++).
- Copyright(C) 1999-2013, Viktor E. Bursian, St.Petersburg, Russia.
                     Viktor.Bursian@mail.ioffe.ru
*///////////////////////////////////////////////////////////////////////////////
#ifndef AttrName_H
#define AttrName_H
#include "Storable.h"
namespace RA {
//------------------------------------------------------------------------------

ANNOUNCE_CLASS(sAttrName)

//---------------------------------------------------------------- sAttrName ---
/*!  An attribute name.

*/
class RANet_EXPORT  sAttrName
{
  public: //types
    enum                      eType  {cNameless
                                     ,cNumeric
                                     ,cSymbolic
                                     };
  public:
    virtual                   ~sAttrName ();
                              sAttrName ();
    explicit                  sAttrName (integer  number);
    explicit                  sAttrName (rcsString  symbolic_name);
    explicit                  sAttrName (literal  symbolic_name);
    eType                     Type () const;
    integer                   ToNumber () const;
    sString                   ToString () const;
    virtual sString           Text () const; // visual representation for user
//    virtual sString           TextWithoutTypeIndication () const;
    bool                      operator == (rcsAttrName) const;
    bool                      operator == (integer) const;
    bool                      operator == (rcsString) const;
    bool                      operator == (literal) const;
    bool                      operator != (rcsAttrName) const;
    bool                      operator != (integer) const;
    bool                      operator != (rcsString) const;
    bool                      operator != (literal) const;
                              sAttrName (std::istream &);
    virtual void              Store (std::ostream &) const;
                              sAttrName (rcsAttrName);
    virtual rsAttrName        operator = (rcsAttrName);

  private: //fields
    eType                     T;
    integer                   Numeric;
    sString                   Symbolic;

  #ifdef RANET_DEBUG
  public:
    static long int           Counter;
  #endif
};


inline  sAttrName::eType  sAttrName::Type () const
{
  return T;
}


inline  bool  sAttrName::operator != (rcsAttrName  other) const
{
  return ! operator==(other);
}


inline  bool  sAttrName::operator != (integer  number) const
{
  return ! operator==(number);
}


inline  bool  sAttrName::operator != (rcsString  string) const
{
  return ! operator==(string);
}


inline  bool  sAttrName::operator != (literal  l) const
{
  return ! operator==(l);
}

//------------------------------------------------------------------------------
} //namespace RA
#endif