headers/os/support/Flattenable.h

   1 /*
   2  * Copyright 2007-2010 Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _FLATTENABLE_H
   6 #define _FLATTENABLE_H
   7
   8
   9 #include <SupportDefs.h>
  10
  11
  12 class BFlattenable {
  13 public:
  14         virtual bool                            IsFixedSize() const = 0;
  15         virtual type_code                       TypeCode() const = 0;
  16         virtual ssize_t                         FlattenedSize() const = 0;
  17         virtual status_t                        Flatten(void* buffer, ssize_t size) const = 0;
  18         virtual bool                            AllowsTypeCode(type_code code) const;
  19         virtual status_t                        Unflatten(type_code code, const void* buffer,
  20                                                                         ssize_t size) = 0;
  21
  22         virtual                                         ~BFlattenable();
  23
  24 private:
  25                         void                            _ReservedFlattenable1();
  26         virtual void                            _ReservedFlattenable2();
  27         virtual void                            _ReservedFlattenable3();
  28 };
  29
  30
  31 #endif  // _FLATTENABLE_H