SecuritySNACCRuntime/c++-lib/inc/asn-null.h

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 // file: .../c++-lib/inc/asn-null.h - C++ version of ASN.1 NULL
  20 //
  21 // MS 92/06/15
  22 // Copyright (C) 1992 Michael Sample and the University of British Columbia
  23 //
  24 // This library is free software; you can redistribute it and/or
  25 // modify it provided that this copyright/license information is retained
  26 // in original form.
  27 //
  28 // If you modify this file, you must clearly indicate your changes.
  29 //
  30 // This source code is distributed in the hope that it will be
  31 // useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  32 // of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  33 //
  34 // $Header: /cvs/Darwin/src/live/Security/SecuritySNACCRuntime/c++-lib/inc/asn-null.h,v 1.1.1.1 2001/05/18 23:14:06 mb Exp $
  35 // $Log: asn-null.h,v $
  36 // Revision 1.1.1.1  2001/05/18 23:14:06  mb
  37 // Move from private repository to open source repository
  38 //
  39 // Revision 1.3  2001/05/05 00:59:18  rmurphy
  40 // Adding darwin license headers
  41 //
  42 // Revision 1.2  2000/06/15 18:48:24  dmitch
  43 // Snacc-generated source files, now part of CVS tree to allow for cross-platform build of snaccRuntime.
  44 //
  45 // Revision 1.1.1.1  2000/03/09 01:00:05  rmurphy
  46 // Base Fortissimo Tree
  47 //
  48 // Revision 1.2  1999/03/21 02:07:33  mb
  49 // Added Copy to every AsnType.
  50 //
  51 // Revision 1.1  1999/02/25 05:21:44  mb
  52 // Added snacc c++ library
  53 //
  54 // Revision 1.5  1997/02/16 10:08:29  rj
  55 // comment out an unused argument
  56 //
  57 // Revision 1.4  1995/07/24  17:53:57  rj
  58 // #if TCL ... #endif wrapped into #if META ... #endif
  59 //
  60 // changed `_' to `-' in file names.
  61 //
  62 // Revision 1.3  1994/10/08  04:18:06  rj
  63 // code for meta structures added (provides information about the generated code itself).
  64 //
  65 // code for Tcl interface added (makes use of the above mentioned meta code).
  66 //
  67 // virtual inline functions (the destructor, the Clone() function, BEnc(), BDec() and Print()) moved from inc/*.h to src/*.C because g++ turns every one of them into a static non-inline function in every file where the .h file gets included.
  68 //
  69 // made Print() const (and some other, mainly comparison functions).
  70 //
  71 // several `unsigned long int' turned into `size_t'.
  72 //
  73 // Revision 1.2  1994/08/28  10:00:52  rj
  74 // comment leader fixed.
  75 //
  76 // Revision 1.1  1994/08/28  09:20:38  rj
  77 // first check-in. for a list of changes to the snacc-1.1 distribution please refer to the ChangeLog.
  78
  79 #ifndef _asn_null_h_
  80 #define _asn_null_h_
  81
  82 class AsnNull: public AsnType
  83 {
  84 public:
  85                                 AsnNull()                               {}
  86
  87   virtual AsnType       *Clone() const;
  88   virtual AsnType       *Copy() const;
  89
  90   AsnLen                        BEncContent (BUF_TYPE /*b*/)            { return 0; }
  91   void                          BDecContent (BUF_TYPE b, AsnTag tagId, AsnLen elmtLen, AsnLen &bytesDecoded, ENV_TYPE env);
  92   AsnLen                        BEnc (BUF_TYPE b);
  93   void                          BDec (BUF_TYPE b, AsnLen &bytesDecoded, ENV_TYPE env);
  94
  95   PDU_MEMBER_MACROS
  96
  97   void                          Print (ostream &os) const;
  98
  99 #if META
 100   static const AsnNullTypeDesc  _desc;
 101
 102   const AsnTypeDesc             *_getdesc() const;
 103
 104 #if TCL
 105   int                           TclGetVal (Tcl_Interp *) const;
 106   int                           TclSetVal (Tcl_Interp *, const char *val);
 107 #endif /* TCL */
 108 #endif /* META */
 109 };
 110
 111 #endif /* conditional include */