/*
 * 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 HL7_ANYMSG_H_
#define HL7_ANYMSG_H_

#pragma interface

#include "HL7Message.h"
#include "UniMesIdCode.h"
#include "fBitSet.h"

class ANYmsg
{
  BitSet _allowed;
  HL7Message *_msg;
  bool  _frozen;
  
 public:
  ANYmsg();
  ANYmsg(const BitSet&);
  ANYmsg(const ANYmsg&);
  ~ANYmsg();

  void unset();

  const ANYmsg&  operator =        (const HL7Message &);
  const ANYmsg&  operator =        (const ANYmsg &);

  HL7Message* const operator ->       () const;
  HL7Message&       operator *        () const;
                 operator HL7Message* () const;
                 operator HL7Message& () const;

  HL7Message *msg();
  void freeze(bool flag = true);
  bool frozen();

  bool ispresent() const;
  UniMesIdCode::Value type() const;

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

  bool OK() const;

  BitSet allowed() const;
  void reallow(const BitSet&);
  void allow(UniMesIdCode::Value);
  void allow();  // allow all
  void forbid(UniMesIdCode::Value);
  void forbid(); // forbid all

  inline friend istream& operator >> (istream&, ANYmsg &);
  inline friend ostream& operator << (ostream&, const ANYmsg &);

  typedef HL7Message *(*service_t)(HL7Message &request);

  void register_service(UniMesIdCode::Value, service_t);
  void serve(const char *service,
	     const char *App = NULL, const char *Fac = NULL,
	     bool exactMatch = false);

 private:
  service_t *_services;

  void init_services();
};

#ifndef OUTLINE
# include "ANYmsg.icc"
#endif
  
#endif /* !HL7_ANYMSG_H_ */