1/*
2 * Copyright (c) 1999
3 * Silicon Graphics Computer Systems, Inc.
4 *
5 * Copyright (c) 1999
6 * Boris Fomitchev
7 *
8 * This material is provided "as is", with absolutely no warranty expressed
9 * or implied. Any use is at your own risk.
10 *
11 * Permission to use or copy this software for any purpose is hereby granted
12 * without fee, provided the above notices are retained on all copies.
13 * Permission to modify the code and to distribute modified code is granted,
14 * provided the above notices are retained, and a notice that the code was
15 * modified is included with the above copyright notice.
16 *
17 */
18// WARNING: This is an internal header file, included by other C++
19// standard library headers.  You should not attempt to use this header
20// file directly.
21
22
23#ifndef _STLP_INTERNAL_OSTREAMBUF_ITERATOR_H
24#define _STLP_INTERNAL_OSTREAMBUF_ITERATOR_H
25
26#ifndef _STLP_INTERNAL_STREAMBUF
27# include <stl/_streambuf.h>
28#endif
29
30_STLP_BEGIN_NAMESPACE
31
32_STLP_MOVE_TO_PRIV_NAMESPACE
33
34template<class _CharT, class _Traits>
35extern basic_streambuf<_CharT, _Traits>* _STLP_CALL __get_ostreambuf(basic_ostream<_CharT, _Traits>&);
36
37_STLP_MOVE_TO_STD_NAMESPACE
38
39// The default template argument is declared in iosfwd
40template <class _CharT, class _Traits>
41class ostreambuf_iterator :
42  public iterator<output_iterator_tag, void, void, void, void> {
43public:
44  typedef _CharT                           char_type;
45  typedef _Traits                          traits_type;
46  typedef typename _Traits::int_type       int_type;
47  typedef basic_streambuf<_CharT, _Traits> streambuf_type;
48  typedef basic_ostream<_CharT, _Traits>   ostream_type;
49
50  typedef output_iterator_tag              iterator_category;
51  typedef void                             value_type;
52  typedef void                             difference_type;
53  typedef void                             pointer;
54  typedef void                             reference;
55
56public:
57  ostreambuf_iterator(streambuf_type* __buf) _STLP_NOTHROW : _M_buf(__buf), _M_ok(__buf!=0) {}
58  //  ostreambuf_iterator(ostream_type& __o) _STLP_NOTHROW : _M_buf(__get_ostreambuf(__o)), _M_ok(_M_buf != 0) {}
59  inline ostreambuf_iterator(ostream_type& __o) _STLP_NOTHROW;
60
61  ostreambuf_iterator<_CharT, _Traits>& operator=(char_type __c) {
62    _M_ok = _M_ok && !traits_type::eq_int_type(_M_buf->sputc(__c),
63                                               traits_type::eof());
64    return *this;
65  }
66
67  ostreambuf_iterator<_CharT, _Traits>& operator*()     { return *this; }
68  ostreambuf_iterator<_CharT, _Traits>& operator++()    { return *this; }
69  ostreambuf_iterator<_CharT, _Traits>& operator++(int) { return *this; }
70
71  bool failed() const { return !_M_ok; }
72
73private:
74  streambuf_type* _M_buf;
75  bool _M_ok;
76};
77
78template <class _CharT, class _Traits>
79inline ostreambuf_iterator<_CharT, _Traits>::ostreambuf_iterator(basic_ostream<_CharT, _Traits>& __o) _STLP_NOTHROW
80  : _M_buf(_STLP_PRIV __get_ostreambuf(__o)), _M_ok(_M_buf != 0) {}
81
82#if defined (_STLP_USE_TEMPLATE_EXPORT)
83_STLP_EXPORT_TEMPLATE_CLASS ostreambuf_iterator<char, char_traits<char> >;
84#  if defined (INSTANTIATE_WIDE_STREAMS)
85_STLP_EXPORT_TEMPLATE_CLASS ostreambuf_iterator<wchar_t, char_traits<wchar_t> >;
86#  endif
87#endif /* _STLP_USE_TEMPLATE_EXPORT */
88
89#if defined (_STLP_USE_OLD_HP_ITERATOR_QUERIES)
90template <class _CharT, class _Traits>
91inline output_iterator_tag _STLP_CALL
92iterator_category(const ostreambuf_iterator<_CharT, _Traits>&) { return output_iterator_tag(); }
93#endif
94
95_STLP_END_NAMESPACE
96
97#endif /* _STLP_INTERNAL_OSTREAMBUF_ITERATOR_H */
98
99// Local Variables:
100// mode:C++
101// End:
102
103