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