xref: /freebsd-src/contrib/llvm-project/libcxx/include/__iterator/ostream_iterator.h (revision cb14a3fe5122c879eae1fb480ed7ce82a699ddb6)
1fe6060f1SDimitry Andric // -*- C++ -*-
2fe6060f1SDimitry Andric //===----------------------------------------------------------------------===//
3fe6060f1SDimitry Andric //
4fe6060f1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5fe6060f1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
6fe6060f1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7fe6060f1SDimitry Andric //
8fe6060f1SDimitry Andric //===----------------------------------------------------------------------===//
9fe6060f1SDimitry Andric 
10fe6060f1SDimitry Andric #ifndef _LIBCPP___ITERATOR_OSTREAM_ITERATOR_H
11fe6060f1SDimitry Andric #define _LIBCPP___ITERATOR_OSTREAM_ITERATOR_H
12fe6060f1SDimitry Andric 
13fe6060f1SDimitry Andric #include <__config>
145f757f3fSDimitry Andric #include <__fwd/ostream.h>
155f757f3fSDimitry Andric #include <__fwd/string.h>
16fe6060f1SDimitry Andric #include <__iterator/iterator.h>
17fe6060f1SDimitry Andric #include <__iterator/iterator_traits.h>
18fe6060f1SDimitry Andric #include <__memory/addressof.h>
1981ad6265SDimitry Andric #include <cstddef>
20fe6060f1SDimitry Andric 
21fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
22fe6060f1SDimitry Andric #  pragma GCC system_header
23fe6060f1SDimitry Andric #endif
24fe6060f1SDimitry Andric 
25fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD
26fe6060f1SDimitry Andric 
27fe6060f1SDimitry Andric _LIBCPP_SUPPRESS_DEPRECATED_PUSH
28fe6060f1SDimitry Andric template <class _Tp, class _CharT = char, class _Traits = char_traits<_CharT> >
29fe6060f1SDimitry Andric class _LIBCPP_TEMPLATE_VIS ostream_iterator
30fe6060f1SDimitry Andric #if _LIBCPP_STD_VER <= 14 || !defined(_LIBCPP_ABI_NO_ITERATOR_BASES)
31fe6060f1SDimitry Andric     : public iterator<output_iterator_tag, void, void, void, void>
32fe6060f1SDimitry Andric #endif
33fe6060f1SDimitry Andric {
34fe6060f1SDimitry Andric   _LIBCPP_SUPPRESS_DEPRECATED_POP
35*cb14a3feSDimitry Andric 
36fe6060f1SDimitry Andric public:
37fe6060f1SDimitry Andric   typedef output_iterator_tag iterator_category;
38fe6060f1SDimitry Andric   typedef void value_type;
3906c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20
40fe6060f1SDimitry Andric   typedef ptrdiff_t difference_type;
41fe6060f1SDimitry Andric #else
42fe6060f1SDimitry Andric   typedef void difference_type;
43fe6060f1SDimitry Andric #endif
44fe6060f1SDimitry Andric   typedef void pointer;
45fe6060f1SDimitry Andric   typedef void reference;
46fe6060f1SDimitry Andric   typedef _CharT char_type;
47fe6060f1SDimitry Andric   typedef _Traits traits_type;
48fe6060f1SDimitry Andric   typedef basic_ostream<_CharT, _Traits> ostream_type;
49fe6060f1SDimitry Andric 
50fe6060f1SDimitry Andric private:
51fe6060f1SDimitry Andric   ostream_type* __out_stream_;
52fe6060f1SDimitry Andric   const char_type* __delim_;
53*cb14a3feSDimitry Andric 
54fe6060f1SDimitry Andric public:
ostream_iterator(ostream_type & __s)555f757f3fSDimitry Andric   _LIBCPP_HIDE_FROM_ABI ostream_iterator(ostream_type& __s) _NOEXCEPT
56*cb14a3feSDimitry Andric       : __out_stream_(std::addressof(__s)),
57*cb14a3feSDimitry Andric         __delim_(nullptr) {}
ostream_iterator(ostream_type & __s,const _CharT * __delimiter)585f757f3fSDimitry Andric   _LIBCPP_HIDE_FROM_ABI ostream_iterator(ostream_type& __s, const _CharT* __delimiter) _NOEXCEPT
59*cb14a3feSDimitry Andric       : __out_stream_(std::addressof(__s)),
60*cb14a3feSDimitry Andric         __delim_(__delimiter) {}
61*cb14a3feSDimitry Andric   _LIBCPP_HIDE_FROM_ABI ostream_iterator& operator=(const _Tp& __value) {
62753f127fSDimitry Andric     *__out_stream_ << __value;
63fe6060f1SDimitry Andric     if (__delim_)
64fe6060f1SDimitry Andric       *__out_stream_ << __delim_;
65fe6060f1SDimitry Andric     return *this;
66fe6060f1SDimitry Andric   }
67fe6060f1SDimitry Andric 
685f757f3fSDimitry Andric   _LIBCPP_HIDE_FROM_ABI ostream_iterator& operator*() { return *this; }
695f757f3fSDimitry Andric   _LIBCPP_HIDE_FROM_ABI ostream_iterator& operator++() { return *this; }
705f757f3fSDimitry Andric   _LIBCPP_HIDE_FROM_ABI ostream_iterator& operator++(int) { return *this; }
71fe6060f1SDimitry Andric };
72fe6060f1SDimitry Andric 
73fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD
74fe6060f1SDimitry Andric 
75fe6060f1SDimitry Andric #endif // _LIBCPP___ITERATOR_OSTREAM_ITERATOR_H
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