ftp.nice.ch/Attic/openStep/implementation/gnustep/sources/libobjects-0.1.19.tgz#/libobjects-0.1.19/src/Foundation/NSGCoder.h

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/* Interface to concrete implementation of NSCoder.
   Copyright (C) 1995 Free Software Foundation, Inc.
   
   Written by:  R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
   Date: March 1995
   
   This file is part of the GNU Objective C Class Library.
   
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This library 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
   Library General Public License for more details.
   
   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   */

#ifndef __NSGNUCoder_h_OBJECTS_INCLUDE
#define __NSGNUCoder_h_OBJECTS_INCLUDE

#include <objects/stdobjects.h>
#include <Foundation/NSCoder.h>
#include <objects/Coding.h>
#include <objects/Stream.h>
#include <objects/Dictionary.h>
#include <objects/Stack.h>
#include <objects/elt.h>

@interface NSGCoder : NSCoder
{
  /* For now, these must match the instance variables in objects/Coder.h.
     This will change. */
  int format_version;
  int concrete_format_version;
  Stream *stream;
  BOOL is_decoding;
  BOOL doing_root_object;
  Dictionary *object_table;	     /* read/written objects */
  Dictionary *const_ptr_table;       /* read/written const *'s */
  Stack *root_object_tables;         /* Stack of Dicts for interconnt'd objs */
  Stack *forward_object_tables;      /* Stack of Dictionaries for frwd refs */

  NSZone *object_zone;
}

@end

@interface NSGCoder (GNU) <Encoding, Decoding>
@end

#endif /* __NSGNUCoder_h_OBJECTS_INCLUDE */

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