72 lines
2.6 KiB
C++
72 lines
2.6 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___ITERATOR_OSTREAM_ITERATOR_H
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#define _LIBCPP___ITERATOR_OSTREAM_ITERATOR_H
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#include <__config>
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#include <__iterator/iterator.h>
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#include <__iterator/iterator_traits.h>
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#include <__memory/addressof.h>
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#include <cstddef>
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#include <iosfwd> // for forward declarations of char_traits and basic_ostream
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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_LIBCPP_SUPPRESS_DEPRECATED_PUSH
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template <class _Tp, class _CharT = char, class _Traits = char_traits<_CharT> >
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class _LIBCPP_TEMPLATE_VIS ostream_iterator
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#if _LIBCPP_STD_VER <= 14 || !defined(_LIBCPP_ABI_NO_ITERATOR_BASES)
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: public iterator<output_iterator_tag, void, void, void, void>
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#endif
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{
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_LIBCPP_SUPPRESS_DEPRECATED_POP
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public:
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typedef output_iterator_tag iterator_category;
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typedef void value_type;
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#if _LIBCPP_STD_VER > 17
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typedef ptrdiff_t difference_type;
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#else
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typedef void difference_type;
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#endif
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typedef void pointer;
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typedef void reference;
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typedef _CharT char_type;
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typedef _Traits traits_type;
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typedef basic_ostream<_CharT, _Traits> ostream_type;
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private:
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ostream_type* __out_stream_;
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const char_type* __delim_;
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public:
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_LIBCPP_INLINE_VISIBILITY ostream_iterator(ostream_type& __s) _NOEXCEPT
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: __out_stream_(_VSTD::addressof(__s)), __delim_(nullptr) {}
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_LIBCPP_INLINE_VISIBILITY ostream_iterator(ostream_type& __s, const _CharT* __delimiter) _NOEXCEPT
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: __out_stream_(_VSTD::addressof(__s)), __delim_(__delimiter) {}
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_LIBCPP_INLINE_VISIBILITY ostream_iterator& operator=(const _Tp& __value)
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{
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*__out_stream_ << __value;
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if (__delim_)
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*__out_stream_ << __delim_;
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return *this;
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}
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_LIBCPP_INLINE_VISIBILITY ostream_iterator& operator*() {return *this;}
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_LIBCPP_INLINE_VISIBILITY ostream_iterator& operator++() {return *this;}
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_LIBCPP_INLINE_VISIBILITY ostream_iterator& operator++(int) {return *this;}
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};
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___ITERATOR_OSTREAM_ITERATOR_H
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