epoc32/include/tools/stlport/stl/_ostreambuf_iterator.h
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
     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