/*
 * Copyright (c) 1995, 1996 Gunther Schadow.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef PG_STRBASE_H_
#define PG_STRBASE_H_

#include <pg_config.h>

#pragma interface

#include <Primtype.h>
#include <DataTypeCode.h>
#include <misc.h>
#include <string.h>

class Strbase : public Primtype
{
 protected:
  char *_string;

 public:
  Strbase(DataTypeCode::Value type, const char* = NULL);
  Strbase(const Strbase&);
  Strbase(DataTypeCode::Value type, int x);
  Strbase(DataTypeCode::Value type, long x);
  Strbase(DataTypeCode::Value type, double x);

  virtual ~Strbase();

  virtual void unset();
  virtual void nullify();

  virtual result input(istream&);
  virtual void   output(ostream&) const;

  virtual operator const char*() const;
  
  const Strbase &operator = (const Strbase &x);
  const Strbase &operator = (const char *x);

  virtual bool operator == (const char *x)  const;
  virtual bool operator == (const Strbase& x) const;
  virtual bool operator != (const char *x)  const;
  virtual bool operator != (const Strbase& x) const;

  virtual const Strbase &operator += (const Strbase &);
  virtual const Strbase &operator += (const char *);

  virtual char *strip(char *s) = 0;

  static bool do_8th_bit_protection;
};

#ifndef OUTLINE
# include "Strbase.icc"
#endif

#endif /* !PG_STRBASE_H_ */