Line data    Source code

       1              : // -*- C++ -*-
       2              : //===----------------------------------------------------------------------===//
       3              : //
       4              : // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
       5              : // See https://llvm.org/LICENSE.txt for license information.
       6              : // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
       7              : //
       8              : //===----------------------------------------------------------------------===//
       9              : 
      10              : #ifndef _LIBCPP___ITERATOR_OSTREAMBUF_ITERATOR_H
      11              : #define _LIBCPP___ITERATOR_OSTREAMBUF_ITERATOR_H
      12              : 
      13              : #include <__config>
      14              : #include <__iterator/iterator.h>
      15              : #include <__iterator/iterator_traits.h>
      16              : #include <cstddef>
      17              : #include <iosfwd> // for forward declaration of basic_streambuf
      18              : 
      19              : #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
      20              : #  pragma GCC system_header
      21              : #endif
      22              : 
      23              : _LIBCPP_BEGIN_NAMESPACE_STD
      24              : 
      25              : _LIBCPP_SUPPRESS_DEPRECATED_PUSH
      26              : template <class _CharT, class _Traits>
      27              : class _LIBCPP_TEMPLATE_VIS ostreambuf_iterator
      28              : #if _LIBCPP_STD_VER <= 14 || !defined(_LIBCPP_ABI_NO_ITERATOR_BASES)
      29              :     : public iterator<output_iterator_tag, void, void, void, void>
      30              : #endif
      31              : {
      32              : _LIBCPP_SUPPRESS_DEPRECATED_POP
      33              : public:
      34              :     typedef output_iterator_tag                 iterator_category;
      35              :     typedef void                                value_type;
      36              : #if _LIBCPP_STD_VER > 17
      37              :     typedef ptrdiff_t                           difference_type;
      38              : #else
      39              :     typedef void                                difference_type;
      40              : #endif
      41              :     typedef void                                pointer;
      42              :     typedef void                                reference;
      43              :     typedef _CharT                              char_type;
      44              :     typedef _Traits                             traits_type;
      45              :     typedef basic_streambuf<_CharT, _Traits>    streambuf_type;
      46              :     typedef basic_ostream<_CharT, _Traits>      ostream_type;
      47              : 
      48              : private:
      49              :     streambuf_type* __sbuf_;
      50              : public:
      51       300148 :     _LIBCPP_INLINE_VISIBILITY ostreambuf_iterator(ostream_type& __s) _NOEXCEPT
      52       300148 :         : __sbuf_(__s.rdbuf()) {}
      53              :     _LIBCPP_INLINE_VISIBILITY ostreambuf_iterator(streambuf_type* __s) _NOEXCEPT
      54              :         : __sbuf_(__s) {}
      55              :     _LIBCPP_INLINE_VISIBILITY ostreambuf_iterator& operator=(_CharT __c)
      56              :         {
      57              :             if (__sbuf_ && traits_type::eq_int_type(__sbuf_->sputc(__c), traits_type::eof()))
      58              :                 __sbuf_ = nullptr;
      59              :             return *this;
      60              :         }
      61              :     _LIBCPP_INLINE_VISIBILITY ostreambuf_iterator& operator*()     {return *this;}
      62              :     _LIBCPP_INLINE_VISIBILITY ostreambuf_iterator& operator++()    {return *this;}
      63              :     _LIBCPP_INLINE_VISIBILITY ostreambuf_iterator& operator++(int) {return *this;}
      64       150074 :     _LIBCPP_INLINE_VISIBILITY bool failed() const _NOEXCEPT {return __sbuf_ == nullptr;}
      65              : 
      66              :     template <class _Ch, class _Tr>
      67              :     friend
      68              :     _LIBCPP_HIDE_FROM_ABI
      69              :     ostreambuf_iterator<_Ch, _Tr>
      70              :     __pad_and_output(ostreambuf_iterator<_Ch, _Tr> __s,
      71              :                      const _Ch* __ob, const _Ch* __op, const _Ch* __oe,
      72              :                      ios_base& __iob, _Ch __fl);
      73              : };
      74              : 
      75              : _LIBCPP_END_NAMESPACE_STD
      76              : 
      77              : #endif // _LIBCPP___ITERATOR_OSTREAMBUF_ITERATOR_H