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 28 template <class _Tp, class _CharT = char, class _Traits = char_traits<_CharT> > 29 class _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 public: 36 typedef output_iterator_tag iterator_category; 37 typedef void value_type; 38 #if _LIBCPP_STD_VER >= 20 39 typedef ptrdiff_t difference_type; 40 #else 41 typedef void difference_type; 42 #endif 43 typedef void pointer; 44 typedef void reference; 45 typedef _CharT char_type; 46 typedef _Traits traits_type; 47 typedef basic_ostream<_CharT, _Traits> ostream_type; 48 49 private: 50 ostream_type* __out_stream_; 51 const char_type* __delim_; 52 public: ostream_iterator(ostream_type & __s)53 _LIBCPP_INLINE_VISIBILITY ostream_iterator(ostream_type& __s) _NOEXCEPT 54 : __out_stream_(_VSTD::addressof(__s)), __delim_(nullptr) {} ostream_iterator(ostream_type & __s,const _CharT * __delimiter)55 _LIBCPP_INLINE_VISIBILITY ostream_iterator(ostream_type& __s, const _CharT* __delimiter) _NOEXCEPT 56 : __out_stream_(_VSTD::addressof(__s)), __delim_(__delimiter) {} 57 _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator=(const _Tp& __value) 58 { 59 *__out_stream_ << __value; 60 if (__delim_) 61 *__out_stream_ << __delim_; 62 return *this; 63 } 64 65 _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator*() {return *this;} 66 _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator++() {return *this;} 67 _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator++(int) {return *this;} 68 }; 69 70 _LIBCPP_END_NAMESPACE_STD 71 72 #endif // _LIBCPP___ITERATOR_OSTREAM_ITERATOR_H 73