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 <__iterator/iterator.h> 15 #include <__iterator/iterator_traits.h> 16 #include <__memory/addressof.h> 17 #include <iosfwd> // for forward declarations of char_traits and basic_ostream 18 19 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 20 #pragma GCC system_header 21 #endif 22 23 _LIBCPP_PUSH_MACROS 24 #include <__undef_macros> 25 26 _LIBCPP_BEGIN_NAMESPACE_STD 27 28 _LIBCPP_SUPPRESS_DEPRECATED_PUSH 29 template <class _Tp, class _CharT = char, class _Traits = char_traits<_CharT> > 30 class _LIBCPP_TEMPLATE_VIS ostream_iterator 31 #if _LIBCPP_STD_VER <= 14 || !defined(_LIBCPP_ABI_NO_ITERATOR_BASES) 32 : public iterator<output_iterator_tag, void, void, void, void> 33 #endif 34 { 35 _LIBCPP_SUPPRESS_DEPRECATED_POP 36 public: 37 typedef output_iterator_tag iterator_category; 38 typedef void value_type; 39 #if _LIBCPP_STD_VER > 17 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 50 private: 51 ostream_type* __out_stream_; 52 const char_type* __delim_; 53 public: 54 _LIBCPP_INLINE_VISIBILITY ostream_iterator(ostream_type& __s) _NOEXCEPT 55 : __out_stream_(_VSTD::addressof(__s)), __delim_(nullptr) {} 56 _LIBCPP_INLINE_VISIBILITY ostream_iterator(ostream_type& __s, const _CharT* __delimiter) _NOEXCEPT 57 : __out_stream_(_VSTD::addressof(__s)), __delim_(__delimiter) {} 58 _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator=(const _Tp& __value_) 59 { 60 *__out_stream_ << __value_; 61 if (__delim_) 62 *__out_stream_ << __delim_; 63 return *this; 64 } 65 66 _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator*() {return *this;} 67 _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator++() {return *this;} 68 _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator++(int) {return *this;} 69 }; 70 71 _LIBCPP_END_NAMESPACE_STD 72 73 _LIBCPP_POP_MACROS 74 75 #endif // _LIBCPP___ITERATOR_OSTREAM_ITERATOR_H 76