163 lines
4.9 KiB
C++
163 lines
4.9 KiB
C++
/*
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Hewlett-Packard Company makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*
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* Copyright (c) 1996
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* Silicon Graphics Computer Systems, Inc.
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Silicon Graphics makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*/
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#ifndef _CPP_BACKWARD_ITERATOR_H
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#define _CPP_BACKWARD_ITERATOR_H 1
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#include "backward_warning.h"
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#include "function.h"
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#include <stddef.h>
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#include "iostream.h"
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#include <iterator>
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#include <bits/stl_construct.h>
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#include <bits/stl_raw_storage_iter.h>
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#include <ext/iterator> // For 3-parameter distance extension
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// Names from stl_iterator.h
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using std::input_iterator_tag;
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using std::output_iterator_tag;
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using std::forward_iterator_tag;
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using std::bidirectional_iterator_tag;
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using std::random_access_iterator_tag;
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#if 0
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using std::iterator;
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#endif
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// The base classes input_iterator, output_iterator, forward_iterator,
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// bidirectional_iterator, and random_access_iterator are not part of
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// the C++ standard. (They have been replaced by struct iterator.)
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// They are included for backward compatibility with the HP STL.
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template<typename _Tp, typename _Distance>
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struct input_iterator {
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typedef input_iterator_tag iterator_category;
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typedef _Tp value_type;
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typedef _Distance difference_type;
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typedef _Tp* pointer;
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typedef _Tp& reference;
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};
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struct output_iterator {
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typedef output_iterator_tag iterator_category;
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typedef void value_type;
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typedef void difference_type;
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typedef void pointer;
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typedef void reference;
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};
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template<typename _Tp, typename _Distance>
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struct forward_iterator {
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typedef forward_iterator_tag iterator_category;
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typedef _Tp value_type;
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typedef _Distance difference_type;
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typedef _Tp* pointer;
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typedef _Tp& reference;
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};
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template<typename _Tp, typename _Distance>
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struct bidirectional_iterator {
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typedef bidirectional_iterator_tag iterator_category;
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typedef _Tp value_type;
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typedef _Distance difference_type;
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typedef _Tp* pointer;
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typedef _Tp& reference;
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};
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template<typename _Tp, typename _Distance>
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struct random_access_iterator {
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typedef random_access_iterator_tag iterator_category;
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typedef _Tp value_type;
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typedef _Distance difference_type;
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typedef _Tp* pointer;
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typedef _Tp& reference;
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};
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using std::iterator_traits;
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template <class _Iter>
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inline typename iterator_traits<_Iter>::iterator_category
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iterator_category(const _Iter& __i)
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{ return __iterator_category(__i); }
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template <class _Iter>
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inline typename iterator_traits<_Iter>::difference_type*
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distance_type(const _Iter&)
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{ return static_cast<typename iterator_traits<_Iter>::difference_type*>(0); }
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template<class _Iter>
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inline typename iterator_traits<_Iter>::value_type*
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value_type(const _Iter& __i)
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{ return static_cast<typename iterator_traits<_Iter>::value_type*>(0); }
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using std::distance;
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using __gnu_cxx::distance; // 3-parameter extension
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using std::advance;
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using std::insert_iterator;
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using std::front_insert_iterator;
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using std::back_insert_iterator;
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using std::inserter;
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using std::front_inserter;
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using std::back_inserter;
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using std::reverse_iterator;
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using std::istream_iterator;
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using std::ostream_iterator;
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// Names from stl_construct.h
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template<class _T1, class _T2>
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inline void
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construct(_T1* __p, const _T2& __value)
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{ std::_Construct(__p, __value); }
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template<class _T1>
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inline void
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construct(_T1* __p)
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{ std::_Construct(__p); }
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template <class _Tp>
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inline void
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destroy(_Tp* __pointer)
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{ std::_Destroy(__pointer); }
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template <class _ForwardIterator>
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inline void
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destroy(_ForwardIterator __first, _ForwardIterator __last)
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{ std::_Destroy(__first, __last); }
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// Names from stl_raw_storage_iter.h
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using std::raw_storage_iterator;
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#endif /* _CPP_BACKWARD_ITERATOR_H */
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// Local Variables:
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// mode:C++
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// End:
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