libstdc++/stl/stl_raw_storage_iter.h

   1 /*
   2  *
   3  * Copyright (c) 1994
   4  * Hewlett-Packard Company
   5  *
   6  * Permission to use, copy, modify, distribute and sell this software
   7  * and its documentation for any purpose is hereby granted without fee,
   8  * provided that the above copyright notice appear in all copies and
   9  * that both that copyright notice and this permission notice appear
  10  * in supporting documentation.  Hewlett-Packard Company makes no
  11  * representations about the suitability of this software for any
  12  * purpose.  It is provided "as is" without express or implied warranty.
  13  *
  14  *
  15  * Copyright (c) 1996
  16  * Silicon Graphics Computer Systems, Inc.
  17  *
  18  * Permission to use, copy, modify, distribute and sell this software
  19  * and its documentation for any purpose is hereby granted without fee,
  20  * provided that the above copyright notice appear in all copies and
  21  * that both that copyright notice and this permission notice appear
  22  * in supporting documentation.  Silicon Graphics makes no
  23  * representations about the suitability of this software for any
  24  * purpose.  It is provided "as is" without express or implied warranty.
  25  */
  26
  27 /* NOTE: This is an internal header file, included by other STL headers.
  28  * You should not attempt to use it directly.
  29  */
  30
  31 #ifndef __SGI_STL_INTERNAL_RAW_STORAGE_ITERATOR_H
  32 #define __SGI_STL_INTERNAL_RAW_STORAGE_ITERATOR_H
  33
  34 __STL_BEGIN_NAMESPACE
  35
  36 template <class _ForwardIterator, class _Tp>
  37 class raw_storage_iterator {
  38 protected:
  39   _ForwardIterator _M_iter;
  40 public:
  41   typedef output_iterator_tag iterator_category;
  42   typedef void                value_type;
  43   typedef void                difference_type;
  44   typedef void                pointer;
  45   typedef void                reference;
  46
  47   explicit raw_storage_iterator(_ForwardIterator __x) : _M_iter(__x) {}
  48   raw_storage_iterator& operator*() { return *this; }
  49   raw_storage_iterator& operator=(const _Tp& __element) {
  50     construct(&*_M_iter, __element);
  51     return *this;
  52   }
  53   raw_storage_iterator<_ForwardIterator, _Tp>& operator++() {
  54     ++_M_iter;
  55     return *this;
  56   }
  57   raw_storage_iterator<_ForwardIterator, _Tp> operator++(int) {
  58     raw_storage_iterator<_ForwardIterator, _Tp> __tmp = *this;
  59     ++_M_iter;
  60     return __tmp;
  61   }
  62 };
  63
  64 #ifndef __STL_CLASS_PARTIAL_SPECIALIZATION
  65
  66 template <class _ForwardIterator, class _Tp>
  67 inline output_iterator_tag
  68 iterator_category(const raw_storage_iterator<_ForwardIterator, _Tp>&)
  69 {
  70   return output_iterator_tag();
  71 }
  72
  73 #endif /* __STL_CLASS_PARTIAL_SPECIALIZATION */
  74
  75 __STL_END_NAMESPACE
  76
  77 #endif /* __SGI_STL_INTERNAL_RAW_STORAGE_ITERATOR_H */
  78
  79 // Local Variables:
  80 // mode:C++
  81 // End: