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_OSTREAM_ITERATOR_H 11#define _LIBCPP___ITERATOR_OSTREAM_ITERATOR_H 12 13#include <__config> 14#include <__fwd/ostream.h> 15#include <__fwd/string.h> 16#include <__iterator/iterator.h> 17#include <__iterator/iterator_traits.h> 18#include <__memory/addressof.h> 19#include <cstddef> 20 21#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 22# pragma GCC system_header 23#endif 24 25_LIBCPP_BEGIN_NAMESPACE_STD 26 27_LIBCPP_SUPPRESS_DEPRECATED_PUSH 28template <class _Tp, class _CharT = char, class _Traits = char_traits<_CharT> > 29class _LIBCPP_TEMPLATE_VIS ostream_iterator 30#if _LIBCPP_STD_VER <= 14 || !defined(_LIBCPP_ABI_NO_ITERATOR_BASES) 31 : public iterator<output_iterator_tag, void, void, void, void> 32#endif 33{ 34 _LIBCPP_SUPPRESS_DEPRECATED_POP 35 36public: 37 typedef output_iterator_tag iterator_category; 38 typedef void value_type; 39#if _LIBCPP_STD_VER >= 20 40 typedef ptrdiff_t difference_type; 41#else 42 typedef void difference_type; 43#endif 44 typedef void pointer; 45 typedef void reference; 46 typedef _CharT char_type; 47 typedef _Traits traits_type; 48 typedef basic_ostream<_CharT, _Traits> ostream_type; 49 50private: 51 ostream_type* __out_stream_; 52 const char_type* __delim_; 53 54public: 55 _LIBCPP_HIDE_FROM_ABI ostream_iterator(ostream_type& __s) _NOEXCEPT 56 : __out_stream_(std::addressof(__s)), 57 __delim_(nullptr) {} 58 _LIBCPP_HIDE_FROM_ABI ostream_iterator(ostream_type& __s, const _CharT* __delimiter) _NOEXCEPT 59 : __out_stream_(std::addressof(__s)), 60 __delim_(__delimiter) {} 61 _LIBCPP_HIDE_FROM_ABI ostream_iterator& operator=(const _Tp& __value) { 62 *__out_stream_ << __value; 63 if (__delim_) 64 *__out_stream_ << __delim_; 65 return *this; 66 } 67 68 _LIBCPP_HIDE_FROM_ABI ostream_iterator& operator*() { return *this; } 69 _LIBCPP_HIDE_FROM_ABI ostream_iterator& operator++() { return *this; } 70 _LIBCPP_HIDE_FROM_ABI ostream_iterator& operator++(int) { return *this; } 71}; 72 73_LIBCPP_END_NAMESPACE_STD 74 75#endif // _LIBCPP___ITERATOR_OSTREAM_ITERATOR_H 76