williamr@2: /*
williamr@2:  * Copyright (c) 1999
williamr@2:  * Silicon Graphics Computer Systems, Inc.
williamr@2:  *
williamr@4:  * Copyright (c) 1999
williamr@2:  * Boris Fomitchev
williamr@2:  *
williamr@2:  * This material is provided "as is", with absolutely no warranty expressed
williamr@2:  * or implied. Any use is at your own risk.
williamr@2:  *
williamr@4:  * Permission to use or copy this software for any purpose is hereby granted
williamr@2:  * without fee, provided the above notices are retained on all copies.
williamr@2:  * Permission to modify the code and to distribute modified code is granted,
williamr@2:  * provided the above notices are retained, and a notice that the code was
williamr@2:  * modified is included with the above copyright notice.
williamr@2:  *
williamr@4:  */
williamr@2: // WARNING: This is an internal header file, included by other C++
williamr@2: // standard library headers.  You should not attempt to use this header
williamr@2: // file directly.
williamr@2: 
williamr@2: 
williamr@2: #ifndef _STLP_INTERNAL_OSTREAMBUF_ITERATOR_H
williamr@2: #define _STLP_INTERNAL_OSTREAMBUF_ITERATOR_H
williamr@2: 
williamr@2: #ifndef _STLP_INTERNAL_STREAMBUF
williamr@2: # include <stl/_streambuf.h>
williamr@2: #endif
williamr@2: 
williamr@2: _STLP_BEGIN_NAMESPACE
williamr@2: 
williamr@4: _STLP_MOVE_TO_PRIV_NAMESPACE
williamr@4: 
williamr@4: template<class _CharT, class _Traits>
williamr@4: extern basic_streambuf<_CharT, _Traits>* _STLP_CALL __get_ostreambuf(basic_ostream<_CharT, _Traits>&);
williamr@4: 
williamr@4: _STLP_MOVE_TO_STD_NAMESPACE
williamr@2: 
williamr@2: // The default template argument is declared in iosfwd
williamr@4: template <class _CharT, class _Traits>
williamr@4: class ostreambuf_iterator :
williamr@4:   public iterator<output_iterator_tag, void, void, void, void> {
williamr@2: public:
williamr@2:   typedef _CharT                           char_type;
williamr@2:   typedef _Traits                          traits_type;
williamr@2:   typedef typename _Traits::int_type       int_type;
williamr@2:   typedef basic_streambuf<_CharT, _Traits> streambuf_type;
williamr@2:   typedef basic_ostream<_CharT, _Traits>   ostream_type;
williamr@2: 
williamr@2:   typedef output_iterator_tag              iterator_category;
williamr@2:   typedef void                             value_type;
williamr@2:   typedef void                             difference_type;
williamr@2:   typedef void                             pointer;
williamr@2:   typedef void                             reference;
williamr@2: 
williamr@2: public:
williamr@2:   ostreambuf_iterator(streambuf_type* __buf) _STLP_NOTHROW : _M_buf(__buf), _M_ok(__buf!=0) {}
williamr@4:   //  ostreambuf_iterator(ostream_type& __o) _STLP_NOTHROW : _M_buf(__get_ostreambuf(__o)), _M_ok(_M_buf != 0) {}
williamr@2:   inline ostreambuf_iterator(ostream_type& __o) _STLP_NOTHROW;
williamr@2: 
williamr@2:   ostreambuf_iterator<_CharT, _Traits>& operator=(char_type __c) {
williamr@2:     _M_ok = _M_ok && !traits_type::eq_int_type(_M_buf->sputc(__c),
williamr@2:                                                traits_type::eof());
williamr@2:     return *this;
williamr@4:   }
williamr@4: 
williamr@2:   ostreambuf_iterator<_CharT, _Traits>& operator*()     { return *this; }
williamr@2:   ostreambuf_iterator<_CharT, _Traits>& operator++()    { return *this; }
williamr@2:   ostreambuf_iterator<_CharT, _Traits>& operator++(int) { return *this; }
williamr@2: 
williamr@2:   bool failed() const { return !_M_ok; }
williamr@2: 
williamr@2: private:
williamr@2:   streambuf_type* _M_buf;
williamr@2:   bool _M_ok;
williamr@2: };
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@4: inline ostreambuf_iterator<_CharT, _Traits>::ostreambuf_iterator(basic_ostream<_CharT, _Traits>& __o) _STLP_NOTHROW
williamr@4:   : _M_buf(_STLP_PRIV __get_ostreambuf(__o)), _M_ok(_M_buf != 0) {}
williamr@2: 
williamr@4: #if defined (_STLP_USE_TEMPLATE_EXPORT)
williamr@2: _STLP_EXPORT_TEMPLATE_CLASS ostreambuf_iterator<char, char_traits<char> >;
williamr@2: #  if defined (INSTANTIATE_WIDE_STREAMS)
williamr@2: _STLP_EXPORT_TEMPLATE_CLASS ostreambuf_iterator<wchar_t, char_traits<wchar_t> >;
williamr@2: #  endif
williamr@4: #endif /* _STLP_USE_TEMPLATE_EXPORT */
williamr@2: 
williamr@4: #if defined (_STLP_USE_OLD_HP_ITERATOR_QUERIES)
williamr@2: template <class _CharT, class _Traits>
williamr@4: inline output_iterator_tag _STLP_CALL
williamr@2: iterator_category(const ostreambuf_iterator<_CharT, _Traits>&) { return output_iterator_tag(); }
williamr@4: #endif
williamr@2: 
williamr@2: _STLP_END_NAMESPACE
williamr@2: 
williamr@2: #endif /* _STLP_INTERNAL_OSTREAMBUF_ITERATOR_H */
williamr@2: 
williamr@2: // Local Variables:
williamr@2: // mode:C++
williamr@2: // End:
williamr@2: