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 34 template<class _CharT, class _Traits> 35 extern 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 40 template <class _CharT, class _Traits> 41 class ostreambuf_iterator : 42 public iterator<output_iterator_tag, void, void, void, void> { 43 public: 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 56 public: 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 73 private: 74 streambuf_type* _M_buf; 75 bool _M_ok; 76 }; 77 78 template <class _CharT, class _Traits> 79 inline 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) 90 template <class _CharT, class _Traits> 91 inline output_iterator_tag _STLP_CALL 92 iterator_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
