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| 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___CXX03___ITERATOR_OSTREAMBUF_ITERATOR_H |
| 11 | #define _LIBCPP___CXX03___ITERATOR_OSTREAMBUF_ITERATOR_H |
| 12 | |
| 13 | #include <__cxx03/__config> |
| 14 | #include <__cxx03/__iterator/iterator.h> |
| 15 | #include <__cxx03/__iterator/iterator_traits.h> |
| 16 | #include <__cxx03/cstddef> |
| 17 | #include <__cxx03/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 : public iterator<output_iterator_tag, void, void, void, void> { |
| 28 | _LIBCPP_SUPPRESS_DEPRECATED_POP |
| 29 | |
| 30 | public: |
| 31 | typedef output_iterator_tag iterator_category; |
| 32 | typedef void value_type; |
| 33 | typedef void difference_type; |
| 34 | typedef void pointer; |
| 35 | typedef void reference; |
| 36 | typedef _CharT char_type; |
| 37 | typedef _Traits traits_type; |
| 38 | typedef basic_streambuf<_CharT, _Traits> streambuf_type; |
| 39 | typedef basic_ostream<_CharT, _Traits> ostream_type; |
| 40 | |
| 41 | private: |
| 42 | streambuf_type* __sbuf_; |
| 43 | |
| 44 | public: |
| 45 | _LIBCPP_HIDE_FROM_ABI ostreambuf_iterator(ostream_type& __s) _NOEXCEPT : __sbuf_(__s.rdbuf()) {} |
| 46 | _LIBCPP_HIDE_FROM_ABI ostreambuf_iterator(streambuf_type* __s) _NOEXCEPT : __sbuf_(__s) {} |
| 47 | _LIBCPP_HIDE_FROM_ABI ostreambuf_iterator& operator=(_CharT __c) { |
| 48 | if (__sbuf_ && traits_type::eq_int_type(__sbuf_->sputc(__c), traits_type::eof())) |
| 49 | __sbuf_ = nullptr; |
| 50 | return *this; |
| 51 | } |
| 52 | _LIBCPP_HIDE_FROM_ABI ostreambuf_iterator& operator*() { return *this; } |
| 53 | _LIBCPP_HIDE_FROM_ABI ostreambuf_iterator& operator++() { return *this; } |
| 54 | _LIBCPP_HIDE_FROM_ABI ostreambuf_iterator& operator++(int) { return *this; } |
| 55 | _LIBCPP_HIDE_FROM_ABI bool failed() const _NOEXCEPT { return __sbuf_ == nullptr; } |
| 56 | |
| 57 | template <class _Ch, class _Tr> |
| 58 | friend _LIBCPP_HIDE_FROM_ABI ostreambuf_iterator<_Ch, _Tr> __pad_and_output( |
| 59 | ostreambuf_iterator<_Ch, _Tr> __s, const _Ch* __ob, const _Ch* __op, const _Ch* __oe, ios_base& __iob, _Ch __fl); |
| 60 | }; |
| 61 | |
| 62 | _LIBCPP_END_NAMESPACE_STD |
| 63 | |
| 64 | #endif // _LIBCPP___CXX03___ITERATOR_OSTREAMBUF_ITERATOR_H |
| 65 |
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