diff options
Diffstat (limited to 'third_party/libcxx/include/c++/v1/sstream')
| -rw-r--r-- | third_party/libcxx/include/c++/v1/sstream | 1303 |
1 files changed, 1303 insertions, 0 deletions
diff --git a/third_party/libcxx/include/c++/v1/sstream b/third_party/libcxx/include/c++/v1/sstream new file mode 100644 index 0000000..a42e8fb --- /dev/null +++ b/third_party/libcxx/include/c++/v1/sstream @@ -0,0 +1,1303 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP_SSTREAM +#define _LIBCPP_SSTREAM + +// clang-format off + +/* + sstream synopsis [sstream.syn] + +// Class template basic_stringbuf [stringbuf] +template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > +class basic_stringbuf + : public basic_streambuf<charT, traits> +{ +public: + typedef charT char_type; + typedef traits traits_type; + typedef typename traits_type::int_type int_type; + typedef typename traits_type::pos_type pos_type; + typedef typename traits_type::off_type off_type; + typedef Allocator allocator_type; + + // [stringbuf.cons] constructors: + explicit basic_stringbuf(ios_base::openmode which = ios_base::in | ios_base::out); // before C++20 + basic_stringbuf() : basic_stringbuf(ios_base::in | ios_base::out) {} // C++20 + explicit basic_stringbuf(ios_base::openmode which); // C++20 + explicit basic_stringbuf(const basic_string<char_type, traits_type, allocator_type>& s, + ios_base::openmode which = ios_base::in | ios_base::out); + explicit basic_stringbuf(const allocator_type& a) + : basic_stringbuf(ios_base::in | ios_base::out, a) {} // C++20 + basic_stringbuf(ios_base::openmode which, const allocator_type& a); // C++20 + explicit basic_stringbuf(basic_string<char_type, traits_type, allocator_type>&& s, + ios_base::openmode which = ios_base::in | ios_base::out); // C++20 + template <class SAlloc> + basic_stringbuf(const basic_string<char_type, traits_type, SAlloc>& s, const allocator_type& a) + : basic_stringbuf(s, ios_base::in | ios_base::out, a) {} // C++20 + template <class SAlloc> + basic_stringbuf(const basic_string<char_type, traits_type, SAlloc>& s, + ios_base::openmode which, const allocator_type& a); // C++20 + template <class SAlloc> + explicit basic_stringbuf(const basic_string<char_type, traits_type, SAlloc>& s, + ios_base::openmode which = ios_base::in | ios_base::out); // C++20 + template<class T> + explicit basic_stringbuf(const T& t, + ios_base::openmode which = ios_base::in | ios_base::out); // Since C++26 + template<class T> + basic_stringbuf(const T& t, const Allocator& a); // Since C++26 + template<class T> + basic_stringbuf(const T& t, ios_base::openmode which, const Allocator& a); // Since C++26 + basic_stringbuf(const basic_stringbuf&) = delete; + basic_stringbuf(basic_stringbuf&& rhs); + basic_stringbuf(basic_stringbuf&& rhs, const allocator_type& a); // C++20 + + // [stringbuf.assign] Assign and swap: + basic_stringbuf& operator=(const basic_stringbuf&) = delete; + basic_stringbuf& operator=(basic_stringbuf&& rhs); + void swap(basic_stringbuf& rhs) noexcept(see below); // conditionally noexcept since C++20 + + // [stringbuf.members] Member functions: + allocator_type get_allocator() const noexcept; // C++20 + basic_string<char_type, traits_type, allocator_type> str() const; // before C++20 + basic_string<char_type, traits_type, allocator_type> str() const &; // C++20 + template <class SAlloc> + basic_string<char_type, traits_type, SAlloc> str(const SAlloc& sa) const; // C++20 + basic_string<char_type, traits_type, allocator_type> str() &&; // C++20 + basic_string_view<char_type, traits_type> view() const noexcept; // C++20 + void str(const basic_string<char_type, traits_type, allocator_type>& s); + template <class SAlloc> + void str(const basic_string<char_type, traits_type, SAlloc>& s); // C++20 + void str(basic_string<char_type, traits_type, allocator_type>&& s); // C++20 + template<class T> + void str(const T& t); // Since C++26 + +protected: + // [stringbuf.virtuals] Overridden virtual functions: + virtual int_type underflow(); + virtual int_type pbackfail(int_type c = traits_type::eof()); + virtual int_type overflow (int_type c = traits_type::eof()); + virtual basic_streambuf<char_type, traits_type>* setbuf(char_type*, streamsize); + virtual pos_type seekoff(off_type off, ios_base::seekdir way, + ios_base::openmode which = ios_base::in | ios_base::out); + virtual pos_type seekpos(pos_type sp, + ios_base::openmode which = ios_base::in | ios_base::out); +}; + +// [stringbuf.assign] non member swap +template <class charT, class traits, class Allocator> +void swap(basic_stringbuf<charT, traits, Allocator>& x, + basic_stringbuf<charT, traits, Allocator>& y); // conditionally noexcept since C++20 + +typedef basic_stringbuf<char> stringbuf; +typedef basic_stringbuf<wchar_t> wstringbuf; + +// Class template basic_istringstream [istringstream] +template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > +class basic_istringstream + : public basic_istream<charT, traits> +{ +public: + typedef charT char_type; + typedef traits traits_type; + typedef typename traits_type::int_type int_type; + typedef typename traits_type::pos_type pos_type; + typedef typename traits_type::off_type off_type; + typedef Allocator allocator_type; + + // [istringstream.cons] Constructors: + explicit basic_istringstream(ios_base::openmode which = ios_base::in); // before C++20 + basic_istringstream() : basic_istringstream(ios_base::in) {} // C++20 + explicit basic_istringstream(ios_base::openmode which); // C++20 + explicit basic_istringstream(const basic_string<char_type, traits_type, allocator_type>& s, + ios_base::openmode which = ios_base::in); + basic_istringstream(ios_base::openmode which, const allocator_type& a); // C++20 + explicit basic_istringstream(basic_string<char_type, traits_type, allocator_type>&& s, + ios_base::openmode which = ios_base::in); // C++20 + template <class SAlloc> + basic_istringstream(const basic_string<char_type, traits_type, SAlloc>& s, const allocator_type& a) + : basic_istringstream(s, ios_base::in, a) {} // C++20 + template <class SAlloc> + basic_istringstream(const basic_string<char_type, traits_type, SAlloc>& s, + ios_base::openmode which, const allocator_type& a); // C++20 + template <class SAlloc> + explicit basic_istringstream(const basic_string<char_type, traits_type, SAlloc>& s, + ios_base::openmode which = ios_base::in); // C++20 + template<class T> + explicit basic_istringstream(const T& t, ios_base::openmode which = ios_base::in); // Since C++26 + template<class T> + basic_istringstream(const T& t, const Allocator& a); // Since C++26 + template<class T> + basic_istringstream(const T& t, ios_base::openmode which, const Allocator& a); // Since C++26 + basic_istringstream(const basic_istringstream&) = delete; + basic_istringstream(basic_istringstream&& rhs); + + // [istringstream.assign] Assign and swap: + basic_istringstream& operator=(const basic_istringstream&) = delete; + basic_istringstream& operator=(basic_istringstream&& rhs); + void swap(basic_istringstream& rhs); + + // [istringstream.members] Member functions: + basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; + basic_string<char_type, traits_type, allocator_type> str() const; // before C++20 + basic_string<char_type, traits_type, allocator_type> str() const &; // C++20 + template <class SAlloc> + basic_string<char_type, traits_type, SAlloc> str(const SAlloc& sa) const; // C++20 + basic_string<char_type, traits_type, allocator_type> str() &&; // C++20 + basic_string_view<char_type, traits_type> view() const noexcept; // C++20 + void str(const basic_string<char_type, traits_type, allocator_type>& s); + template <class SAlloc> + void str(const basic_string<char_type, traits_type, SAlloc>& s); // C++20 + void str(basic_string<char_type, traits_type, allocator_type>&& s); // C++20 + template<class T> + void str(const T& t); // Since C++26 +}; + +template <class charT, class traits, class Allocator> +void swap(basic_istringstream<charT, traits, Allocator>& x, + basic_istringstream<charT, traits, Allocator>& y); + +typedef basic_istringstream<char> istringstream; +typedef basic_istringstream<wchar_t> wistringstream; + +// Class template basic_ostringstream [ostringstream] +template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > +class basic_ostringstream + : public basic_ostream<charT, traits> +{ +public: + // types: + typedef charT char_type; + typedef traits traits_type; + typedef typename traits_type::int_type int_type; + typedef typename traits_type::pos_type pos_type; + typedef typename traits_type::off_type off_type; + typedef Allocator allocator_type; + + // [ostringstream.cons] Constructors: + explicit basic_ostringstream(ios_base::openmode which = ios_base::out); // before C++20 + basic_ostringstream() : basic_ostringstream(ios_base::out) {} // C++20 + explicit basic_ostringstream(ios_base::openmode which); // C++20 + explicit basic_ostringstream(const basic_string<char_type, traits_type, allocator_type>& s, + ios_base::openmode which = ios_base::out); + basic_ostringstream(ios_base::openmode which, const allocator_type& a); // C++20 + explicit basic_ostringstream(basic_string<char_type, traits_type, allocator_type>&& s, + ios_base::openmode which = ios_base::out); // C++20 + template <class SAlloc> + basic_ostringstream(const basic_string<char_type, traits_type, SAlloc>& s, const allocator_type& a) + : basic_ostringstream(s, ios_base::out, a) {} // C++20 + template <class SAlloc> + basic_ostringstream(const basic_string<char_type, traits_type, SAlloc>& s, + ios_base::openmode which, const allocator_type& a); // C++20 + template <class SAlloc> + explicit basic_ostringstream(const basic_string<char_type, traits_type, SAlloc>& s, + ios_base::openmode which = ios_base::out); // C++20 + template<class T> + explicit basic_ostringstream(const T& t, ios_base::openmode which = ios_base::out); // Since C++26 + template<class T> + basic_ostringstream(const T& t, const Allocator& a); // Since C++26 + template<class T> + basic_ostringstream(const T& t, ios_base::openmode which, const Allocator& a); // Since C++26 + basic_ostringstream(const basic_ostringstream&) = delete; + basic_ostringstream(basic_ostringstream&& rhs); + + // [ostringstream.assign] Assign and swap: + basic_ostringstream& operator=(const basic_ostringstream&) = delete; + basic_ostringstream& operator=(basic_ostringstream&& rhs); + void swap(basic_ostringstream& rhs); + + // [ostringstream.members] Member functions: + basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; + basic_string<char_type, traits_type, allocator_type> str() const; // before C++20 + basic_string<char_type, traits_type, allocator_type> str() const &; // C++20 + template <class SAlloc> + basic_string<char_type, traits_type, SAlloc> str(const SAlloc& sa) const; // C++20 + basic_string<char_type, traits_type, allocator_type> str() &&; // C++20 + basic_string_view<char_type, traits_type> view() const noexcept; // C++20 + void str(const basic_string<char_type, traits_type, allocator_type>& s); + template <class SAlloc> + void str(const basic_string<char_type, traits_type, SAlloc>& s); // C++20 + void str(basic_string<char_type, traits_type, allocator_type>&& s); // C++20 + template<class T> + void str(const T& t); // Since C++26 +}; + +template <class charT, class traits, class Allocator> +void swap(basic_ostringstream<charT, traits, Allocator>& x, + basic_ostringstream<charT, traits, Allocator>& y); + +typedef basic_ostringstream<char> ostringstream; +typedef basic_ostringstream<wchar_t> wostringstream; + +// Class template basic_stringstream [stringstream] +template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > +class basic_stringstream + : public basic_iostream<charT, traits> +{ +public: + // types: + typedef charT char_type; + typedef traits traits_type; + typedef typename traits_type::int_type int_type; + typedef typename traits_type::pos_type pos_type; + typedef typename traits_type::off_type off_type; + typedef Allocator allocator_type; + + // [stringstream.cons] constructors + explicit basic_stringstream(ios_base::openmode which = ios_base::out | ios_base::in); // before C++20 + basic_stringstream() : basic_stringstream(ios_base::out | ios_base::in) {} // C++20 + explicit basic_stringstream(ios_base::openmode which); // C++20 + explicit basic_stringstream(const basic_string<char_type, traits_type, allocator_type>& s, + ios_base::openmode which = ios_base::out | ios_base::in); + basic_stringstream(ios_base::openmode which, const allocator_type& a); // C++20 + explicit basic_stringstream(basic_string<char_type, traits_type, allocator_type>&& s, + ios_base::openmode which = ios_base::out | ios_base::in); // C++20 + template <class SAlloc> + basic_stringstream(const basic_string<char_type, traits_type, SAlloc>& s, const allocator_type& a) + : basic_stringstream(s, ios_base::out | ios_base::in, a) {} // C++20 + template <class SAlloc> + basic_stringstream(const basic_string<char_type, traits_type, SAlloc>& s, + ios_base::openmode which, const allocator_type& a); // C++20 + template <class SAlloc> + explicit basic_stringstream(const basic_string<char_type, traits_type, SAlloc>& s, + ios_base::openmode which = ios_base::out | ios_base::in); // C++20 + template<class T> + explicit basic_stringstream(const T& t, + ios_base::openmode which = ios_base::out | ios_base::in); // Since C++26 + template<class T> + basic_stringstream(const T& t, const Allocator& a); // Since C++26 + template<class T> + basic_stringstream(const T& t, ios_base::openmode which, const Allocator& a); // Since C++26 + basic_stringstream(const basic_stringstream&) = delete; + basic_stringstream(basic_stringstream&& rhs); + + // [stringstream.assign] Assign and swap: + basic_stringstream& operator=(const basic_stringstream&) = delete; + basic_stringstream& operator=(basic_stringstream&& rhs); + void swap(basic_stringstream& rhs); + + // [stringstream.members] Member functions: + basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; + basic_string<char_type, traits_type, allocator_type> str() const; // before C++20 + basic_string<char_type, traits_type, allocator_type> str() const &; // C++20 + template <class SAlloc> + basic_string<char_type, traits_type, SAlloc> str(const SAlloc& sa) const; // C++20 + basic_string<char_type, traits_type, allocator_type> str() &&; // C++20 + basic_string_view<char_type, traits_type> view() const noexcept; // C++20 + void str(const basic_string<char_type, traits_type, allocator_type>& s); + template <class SAlloc> + void str(const basic_string<char_type, traits_type, SAlloc>& s); // C++20 + void str(basic_string<char_type, traits_type, allocator_type>&& s); // C++20 + template<class T> + void str(const T& t); // Since C++26 +}; + +template <class charT, class traits, class Allocator> +void swap(basic_stringstream<charT, traits, Allocator>& x, + basic_stringstream<charT, traits, Allocator>& y); + +typedef basic_stringstream<char> stringstream; +typedef basic_stringstream<wchar_t> wstringstream; + +} // std + +*/ + +// clang-format on + +#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) +# include <__cxx03/sstream> +#else +# include <__config> + +# if _LIBCPP_HAS_LOCALIZATION + +# include <__fwd/sstream.h> +# include <__ostream/basic_ostream.h> +# include <__type_traits/is_convertible.h> +# include <__utility/swap.h> +# include <ios> +# include <istream> +# include <streambuf> +# include <string> +# include <string_view> +# include <version> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_PUSH_MACROS +# include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +// Class template basic_stringbuf [stringbuf] + +template <class _CharT, class _Traits, class _Allocator> +class basic_stringbuf : public basic_streambuf<_CharT, _Traits> { +public: + typedef _CharT char_type; + typedef _Traits traits_type; + typedef typename traits_type::int_type int_type; + typedef typename traits_type::pos_type pos_type; + typedef typename traits_type::off_type off_type; + typedef _Allocator allocator_type; + + typedef basic_string<char_type, traits_type, allocator_type> string_type; + +private: + string_type __str_; + mutable char_type* __hm_; + ios_base::openmode __mode_; + _LIBCPP_HIDE_FROM_ABI void __init_buf_ptrs(); + _LIBCPP_HIDE_FROM_ABI void __move_init(basic_stringbuf&& __rhs); + +public: + // [stringbuf.cons] constructors: + _LIBCPP_HIDE_FROM_ABI basic_stringbuf() : __hm_(nullptr), __mode_(ios_base::in | ios_base::out) { + // it is implementation-defined whether we initialize eback() & friends to nullptr, and libc++ doesn't + __init_buf_ptrs(); + } + + _LIBCPP_HIDE_FROM_ABI explicit basic_stringbuf(ios_base::openmode __wch) : __hm_(nullptr), __mode_(__wch) { + // it is implementation-defined whether we initialize eback() & friends to nullptr, and libc++ doesn't + __init_buf_ptrs(); + } + + _LIBCPP_HIDE_FROM_ABI explicit basic_stringbuf(const string_type& __s, + ios_base::openmode __wch = ios_base::in | ios_base::out) + : __str_(__s.get_allocator()), __hm_(nullptr), __mode_(__wch) { + str(__s); + } + +# if _LIBCPP_STD_VER >= 20 + _LIBCPP_HIDE_FROM_ABI explicit basic_stringbuf(const allocator_type& __a) + : basic_stringbuf(ios_base::in | ios_base::out, __a) {} + + _LIBCPP_HIDE_FROM_ABI basic_stringbuf(ios_base::openmode __wch, const allocator_type& __a) + : __str_(__a), __hm_(nullptr), __mode_(__wch) { + __init_buf_ptrs(); + } + + _LIBCPP_HIDE_FROM_ABI explicit basic_stringbuf(string_type&& __s, + ios_base::openmode __wch = ios_base::in | ios_base::out) + : __str_(std::move(__s)), __hm_(nullptr), __mode_(__wch) { + __init_buf_ptrs(); + } + + template <class _SAlloc> + _LIBCPP_HIDE_FROM_ABI + basic_stringbuf(const basic_string<char_type, traits_type, _SAlloc>& __s, const allocator_type& __a) + : basic_stringbuf(__s, ios_base::in | ios_base::out, __a) {} + + template <class _SAlloc> + _LIBCPP_HIDE_FROM_ABI basic_stringbuf( + const basic_string<char_type, traits_type, _SAlloc>& __s, ios_base::openmode __wch, const allocator_type& __a) + : __str_(__s, __a), __hm_(nullptr), __mode_(__wch) { + __init_buf_ptrs(); + } + + template <class _SAlloc> + requires(!is_same_v<_SAlloc, allocator_type>) + _LIBCPP_HIDE_FROM_ABI explicit basic_stringbuf(const basic_string<char_type, traits_type, _SAlloc>& __s, + ios_base::openmode __wch = ios_base::in | ios_base::out) + : __str_(__s), __hm_(nullptr), __mode_(__wch) { + __init_buf_ptrs(); + } +# endif // _LIBCPP_STD_VER >= 20 + +# if _LIBCPP_STD_VER >= 26 + + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI explicit basic_stringbuf(const _Tp& __t, + ios_base::openmode __which = ios_base::in | ios_base::out) + : basic_stringbuf(__t, __which, _Allocator()) {} + + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI basic_stringbuf(const _Tp& __t, const _Allocator& __a) + : basic_stringbuf(__t, ios_base::in | ios_base::out, __a) {} + + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI basic_stringbuf(const _Tp& __t, ios_base::openmode __which, const _Allocator& __a) + : __hm_(nullptr), __mode_(__which) { + basic_string_view<_CharT, _Traits> __sv = __t; + __str_ = string_type(__sv, __a); + __init_buf_ptrs(); + } + +# endif // _LIBCPP_STD_VER >= 26 + + basic_stringbuf(const basic_stringbuf&) = delete; + basic_stringbuf(basic_stringbuf&& __rhs) : __mode_(__rhs.__mode_) { __move_init(std::move(__rhs)); } + +# if _LIBCPP_STD_VER >= 20 + _LIBCPP_HIDE_FROM_ABI basic_stringbuf(basic_stringbuf&& __rhs, const allocator_type& __a) + : basic_stringbuf(__rhs.__mode_, __a) { + __move_init(std::move(__rhs)); + } +# endif + + // [stringbuf.assign] Assign and swap: + basic_stringbuf& operator=(const basic_stringbuf&) = delete; + basic_stringbuf& operator=(basic_stringbuf&& __rhs); + void swap(basic_stringbuf& __rhs) +# if _LIBCPP_STD_VER >= 20 + noexcept(allocator_traits<allocator_type>::propagate_on_container_swap::value || + allocator_traits<allocator_type>::is_always_equal::value) +# endif + ; + + // [stringbuf.members] Member functions: + +# if _LIBCPP_STD_VER >= 20 + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI allocator_type get_allocator() const noexcept { return __str_.get_allocator(); } +# endif + +# if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_BUILDING_LIBRARY) + [[__nodiscard__]] string_type str() const; +# else + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI string_type str() const& { return str(__str_.get_allocator()); } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI string_type str() && { + const basic_string_view<_CharT, _Traits> __view = view(); + typename string_type::size_type __pos = __view.empty() ? 0 : __view.data() - __str_.data(); + // In C++23, this is just string_type(std::move(__str_), __pos, __view.size(), __str_.get_allocator()); + // But we need something that works in C++20 also. + string_type __result(std::move(__str_), __str_.get_allocator()); + __result.resize(__pos + __view.size()); + __result.erase(0, __pos); + __init_buf_ptrs(); + return __result; + } +# endif // _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_BUILDING_LIBRARY) + +# if _LIBCPP_STD_VER >= 20 + template <class _SAlloc> + requires __is_allocator_v<_SAlloc> + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI basic_string<char_type, traits_type, _SAlloc> str(const _SAlloc& __sa) const { + return basic_string<_CharT, _Traits, _SAlloc>(view(), __sa); + } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI basic_string_view<char_type, traits_type> view() const noexcept; +# endif // _LIBCPP_STD_VER >= 20 + + void str(const string_type& __s) { + __str_ = __s; + __init_buf_ptrs(); + } + +# if _LIBCPP_STD_VER >= 20 + template <class _SAlloc> + requires(!is_same_v<_SAlloc, allocator_type>) + _LIBCPP_HIDE_FROM_ABI void str(const basic_string<char_type, traits_type, _SAlloc>& __s) { + __str_ = __s; + __init_buf_ptrs(); + } + + _LIBCPP_HIDE_FROM_ABI void str(string_type&& __s) { + __str_ = std::move(__s); + __init_buf_ptrs(); + } +# endif // _LIBCPP_STD_VER >= 20 + +# if _LIBCPP_STD_VER >= 26 + + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI void str(const _Tp& __t) { + basic_string_view<_CharT, _Traits> __sv = __t; + __str_ = __sv; + __init_buf_ptrs(); + } + +# endif // _LIBCPP_STD_VER >= 26 + +protected: + // [stringbuf.virtuals] Overridden virtual functions: + int_type underflow() override; + int_type pbackfail(int_type __c = traits_type::eof()) override; + int_type overflow(int_type __c = traits_type::eof()) override; + pos_type + seekoff(off_type __off, ios_base::seekdir __way, ios_base::openmode __wch = ios_base::in | ios_base::out) override; + _LIBCPP_HIDE_FROM_ABI_VIRTUAL + pos_type seekpos(pos_type __sp, ios_base::openmode __wch = ios_base::in | ios_base::out) override { + return seekoff(__sp, ios_base::beg, __wch); + } +}; + +template <class _CharT, class _Traits, class _Allocator> +_LIBCPP_HIDE_FROM_ABI void basic_stringbuf<_CharT, _Traits, _Allocator>::__move_init(basic_stringbuf&& __rhs) { + char_type* __p = const_cast<char_type*>(__rhs.__str_.data()); + ptrdiff_t __binp = -1; + ptrdiff_t __ninp = -1; + ptrdiff_t __einp = -1; + if (__rhs.eback() != nullptr) { + __binp = __rhs.eback() - __p; + __ninp = __rhs.gptr() - __p; + __einp = __rhs.egptr() - __p; + } + ptrdiff_t __bout = -1; + ptrdiff_t __nout = -1; + ptrdiff_t __eout = -1; + if (__rhs.pbase() != nullptr) { + __bout = __rhs.pbase() - __p; + __nout = __rhs.pptr() - __p; + __eout = __rhs.epptr() - __p; + } + ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p; + __str_ = std::move(__rhs.__str_); + __p = const_cast<char_type*>(__str_.data()); + if (__binp != -1) + this->setg(__p + __binp, __p + __ninp, __p + __einp); + if (__bout != -1) { + this->setp(__p + __bout, __p + __eout); + this->__pbump(__nout); + } + __hm_ = __hm == -1 ? nullptr : __p + __hm; + __p = const_cast<char_type*>(__rhs.__str_.data()); + __rhs.setg(__p, __p, __p); + __rhs.setp(__p, __p); + __rhs.__hm_ = __p; + this->pubimbue(__rhs.getloc()); +} + +template <class _CharT, class _Traits, class _Allocator> +basic_stringbuf<_CharT, _Traits, _Allocator>& +basic_stringbuf<_CharT, _Traits, _Allocator>::operator=(basic_stringbuf&& __rhs) { + char_type* __p = const_cast<char_type*>(__rhs.__str_.data()); + ptrdiff_t __binp = -1; + ptrdiff_t __ninp = -1; + ptrdiff_t __einp = -1; + if (__rhs.eback() != nullptr) { + __binp = __rhs.eback() - __p; + __ninp = __rhs.gptr() - __p; + __einp = __rhs.egptr() - __p; + } + ptrdiff_t __bout = -1; + ptrdiff_t __nout = -1; + ptrdiff_t __eout = -1; + if (__rhs.pbase() != nullptr) { + __bout = __rhs.pbase() - __p; + __nout = __rhs.pptr() - __p; + __eout = __rhs.epptr() - __p; + } + ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p; + __str_ = std::move(__rhs.__str_); + __p = const_cast<char_type*>(__str_.data()); + if (__binp != -1) + this->setg(__p + __binp, __p + __ninp, __p + __einp); + else + this->setg(nullptr, nullptr, nullptr); + if (__bout != -1) { + this->setp(__p + __bout, __p + __eout); + this->__pbump(__nout); + } else + this->setp(nullptr, nullptr); + + __hm_ = __hm == -1 ? nullptr : __p + __hm; + __mode_ = __rhs.__mode_; + __p = const_cast<char_type*>(__rhs.__str_.data()); + __rhs.setg(__p, __p, __p); + __rhs.setp(__p, __p); + __rhs.__hm_ = __p; + this->pubimbue(__rhs.getloc()); + return *this; +} + +template <class _CharT, class _Traits, class _Allocator> +void basic_stringbuf<_CharT, _Traits, _Allocator>::swap(basic_stringbuf& __rhs) +# if _LIBCPP_STD_VER >= 20 + noexcept(allocator_traits<_Allocator>::propagate_on_container_swap::value || + allocator_traits<_Allocator>::is_always_equal::value) +# endif +{ + char_type* __p = const_cast<char_type*>(__rhs.__str_.data()); + ptrdiff_t __rbinp = -1; + ptrdiff_t __rninp = -1; + ptrdiff_t __reinp = -1; + if (__rhs.eback() != nullptr) { + __rbinp = __rhs.eback() - __p; + __rninp = __rhs.gptr() - __p; + __reinp = __rhs.egptr() - __p; + } + ptrdiff_t __rbout = -1; + ptrdiff_t __rnout = -1; + ptrdiff_t __reout = -1; + if (__rhs.pbase() != nullptr) { + __rbout = __rhs.pbase() - __p; + __rnout = __rhs.pptr() - __p; + __reout = __rhs.epptr() - __p; + } + ptrdiff_t __rhm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p; + __p = const_cast<char_type*>(__str_.data()); + ptrdiff_t __lbinp = -1; + ptrdiff_t __lninp = -1; + ptrdiff_t __leinp = -1; + if (this->eback() != nullptr) { + __lbinp = this->eback() - __p; + __lninp = this->gptr() - __p; + __leinp = this->egptr() - __p; + } + ptrdiff_t __lbout = -1; + ptrdiff_t __lnout = -1; + ptrdiff_t __leout = -1; + if (this->pbase() != nullptr) { + __lbout = this->pbase() - __p; + __lnout = this->pptr() - __p; + __leout = this->epptr() - __p; + } + ptrdiff_t __lhm = __hm_ == nullptr ? -1 : __hm_ - __p; + std::swap(__mode_, __rhs.__mode_); + __str_.swap(__rhs.__str_); + __p = const_cast<char_type*>(__str_.data()); + if (__rbinp != -1) + this->setg(__p + __rbinp, __p + __rninp, __p + __reinp); + else + this->setg(nullptr, nullptr, nullptr); + if (__rbout != -1) { + this->setp(__p + __rbout, __p + __reout); + this->__pbump(__rnout); + } else + this->setp(nullptr, nullptr); + __hm_ = __rhm == -1 ? nullptr : __p + __rhm; + __p = const_cast<char_type*>(__rhs.__str_.data()); + if (__lbinp != -1) + __rhs.setg(__p + __lbinp, __p + __lninp, __p + __leinp); + else + __rhs.setg(nullptr, nullptr, nullptr); + if (__lbout != -1) { + __rhs.setp(__p + __lbout, __p + __leout); + __rhs.__pbump(__lnout); + } else + __rhs.setp(nullptr, nullptr); + __rhs.__hm_ = __lhm == -1 ? nullptr : __p + __lhm; + locale __tl = __rhs.getloc(); + __rhs.pubimbue(this->getloc()); + this->pubimbue(__tl); +} + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_HIDE_FROM_ABI void +swap(basic_stringbuf<_CharT, _Traits, _Allocator>& __x, basic_stringbuf<_CharT, _Traits, _Allocator>& __y) +# if _LIBCPP_STD_VER >= 20 + noexcept(noexcept(__x.swap(__y))) +# endif +{ + __x.swap(__y); +} + +# if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_BUILDING_LIBRARY) +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator> basic_stringbuf<_CharT, _Traits, _Allocator>::str() const { + if (__mode_ & ios_base::out) { + if (__hm_ < this->pptr()) + __hm_ = this->pptr(); + return string_type(this->pbase(), __hm_, __str_.get_allocator()); + } else if (__mode_ & ios_base::in) + return string_type(this->eback(), this->egptr(), __str_.get_allocator()); + return string_type(__str_.get_allocator()); +} +# endif // _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_BUILDING_LIBRARY) + +template <class _CharT, class _Traits, class _Allocator> +_LIBCPP_HIDE_FROM_ABI void basic_stringbuf<_CharT, _Traits, _Allocator>::__init_buf_ptrs() { + __hm_ = nullptr; + char_type* __data = const_cast<char_type*>(__str_.data()); + typename string_type::size_type __sz = __str_.size(); + if (__mode_ & ios_base::in) { + __hm_ = __data + __sz; + this->setg(__data, __data, __hm_); + } + if (__mode_ & ios_base::out) { + __hm_ = __data + __sz; + __str_.resize(__str_.capacity()); + this->setp(__data, __data + __str_.size()); + if (__mode_ & (ios_base::app | ios_base::ate)) { + while (__sz > INT_MAX) { + this->pbump(INT_MAX); + __sz -= INT_MAX; + } + if (__sz > 0) + this->pbump(__sz); + } + } +} + +# if _LIBCPP_STD_VER >= 20 +template <class _CharT, class _Traits, class _Allocator> +_LIBCPP_HIDE_FROM_ABI basic_string_view<_CharT, _Traits> +basic_stringbuf<_CharT, _Traits, _Allocator>::view() const noexcept { + if (__mode_ & ios_base::out) { + if (__hm_ < this->pptr()) + __hm_ = this->pptr(); + return basic_string_view<_CharT, _Traits>(this->pbase(), __hm_); + } else if (__mode_ & ios_base::in) + return basic_string_view<_CharT, _Traits>(this->eback(), this->egptr()); + return basic_string_view<_CharT, _Traits>(); +} +# endif // _LIBCPP_STD_VER >= 20 + +template <class _CharT, class _Traits, class _Allocator> +typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type +basic_stringbuf<_CharT, _Traits, _Allocator>::underflow() { + if (__hm_ < this->pptr()) + __hm_ = this->pptr(); + if (__mode_ & ios_base::in) { + if (this->egptr() < __hm_) + this->setg(this->eback(), this->gptr(), __hm_); + if (this->gptr() < this->egptr()) + return traits_type::to_int_type(*this->gptr()); + } + return traits_type::eof(); +} + +template <class _CharT, class _Traits, class _Allocator> +typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type +basic_stringbuf<_CharT, _Traits, _Allocator>::pbackfail(int_type __c) { + if (__hm_ < this->pptr()) + __hm_ = this->pptr(); + if (this->eback() < this->gptr()) { + if (traits_type::eq_int_type(__c, traits_type::eof())) { + this->setg(this->eback(), this->gptr() - 1, __hm_); + return traits_type::not_eof(__c); + } + if ((__mode_ & ios_base::out) || traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1])) { + this->setg(this->eback(), this->gptr() - 1, __hm_); + *this->gptr() = traits_type::to_char_type(__c); + return __c; + } + } + return traits_type::eof(); +} + +template <class _CharT, class _Traits, class _Allocator> +typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type +basic_stringbuf<_CharT, _Traits, _Allocator>::overflow(int_type __c) { + if (!traits_type::eq_int_type(__c, traits_type::eof())) { + ptrdiff_t __ninp = this->gptr() - this->eback(); + if (this->pptr() == this->epptr()) { + if (!(__mode_ & ios_base::out)) + return traits_type::eof(); +# if _LIBCPP_HAS_EXCEPTIONS + try { +# endif // _LIBCPP_HAS_EXCEPTIONS + ptrdiff_t __nout = this->pptr() - this->pbase(); + ptrdiff_t __hm = __hm_ - this->pbase(); + __str_.push_back(char_type()); + __str_.resize(__str_.capacity()); + char_type* __p = const_cast<char_type*>(__str_.data()); + this->setp(__p, __p + __str_.size()); + this->__pbump(__nout); + __hm_ = this->pbase() + __hm; +# if _LIBCPP_HAS_EXCEPTIONS + } catch (...) { + return traits_type::eof(); + } +# endif // _LIBCPP_HAS_EXCEPTIONS + } + __hm_ = std::max(this->pptr() + 1, __hm_); + if (__mode_ & ios_base::in) { + char_type* __p = const_cast<char_type*>(__str_.data()); + this->setg(__p, __p + __ninp, __hm_); + } + return this->sputc(traits_type::to_char_type(__c)); + } + return traits_type::not_eof(__c); +} + +template <class _CharT, class _Traits, class _Allocator> +typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type basic_stringbuf<_CharT, _Traits, _Allocator>::seekoff( + off_type __off, ios_base::seekdir __way, ios_base::openmode __wch) { + if (__hm_ < this->pptr()) + __hm_ = this->pptr(); + if ((__wch & (ios_base::in | ios_base::out)) == 0) + return pos_type(-1); + if ((__wch & (ios_base::in | ios_base::out)) == (ios_base::in | ios_base::out) && __way == ios_base::cur) + return pos_type(-1); + const ptrdiff_t __hm = __hm_ == nullptr ? 0 : __hm_ - __str_.data(); + off_type __noff; + switch (__way) { + case ios_base::beg: + __noff = 0; + break; + case ios_base::cur: + if (__wch & ios_base::in) + __noff = this->gptr() - this->eback(); + else + __noff = this->pptr() - this->pbase(); + break; + case ios_base::end: + __noff = __hm; + break; + default: + return pos_type(-1); + } + __noff += __off; + if (__noff < 0 || __hm < __noff) + return pos_type(-1); + if (__noff != 0) { + if ((__wch & ios_base::in) && this->gptr() == nullptr) + return pos_type(-1); + if ((__wch & ios_base::out) && this->pptr() == nullptr) + return pos_type(-1); + } + if (__wch & ios_base::in) + this->setg(this->eback(), this->eback() + __noff, __hm_); + if (__wch & ios_base::out) { + this->setp(this->pbase(), this->epptr()); + this->__pbump(__noff); + } + return pos_type(__noff); +} + +// Class template basic_istringstream [istringstream] + +template <class _CharT, class _Traits, class _Allocator> +class basic_istringstream : public basic_istream<_CharT, _Traits> { +public: + typedef _CharT char_type; + typedef _Traits traits_type; + typedef typename traits_type::int_type int_type; + typedef typename traits_type::pos_type pos_type; + typedef typename traits_type::off_type off_type; + typedef _Allocator allocator_type; + + typedef basic_string<char_type, traits_type, allocator_type> string_type; + +private: + basic_stringbuf<char_type, traits_type, allocator_type> __sb_; + +public: + // [istringstream.cons] Constructors: + _LIBCPP_HIDE_FROM_ABI basic_istringstream() + : basic_istream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(ios_base::in) {} + + _LIBCPP_HIDE_FROM_ABI explicit basic_istringstream(ios_base::openmode __wch) + : basic_istream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__wch | ios_base::in) {} + + _LIBCPP_HIDE_FROM_ABI explicit basic_istringstream(const string_type& __s, ios_base::openmode __wch = ios_base::in) + : basic_istream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__s, __wch | ios_base::in) {} + +# if _LIBCPP_STD_VER >= 20 + _LIBCPP_HIDE_FROM_ABI basic_istringstream(ios_base::openmode __wch, const _Allocator& __a) + : basic_istream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__wch | ios_base::in, __a) {} + + _LIBCPP_HIDE_FROM_ABI explicit basic_istringstream(string_type&& __s, ios_base::openmode __wch = ios_base::in) + : basic_istream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(std::move(__s), __wch | ios_base::in) {} + + template <class _SAlloc> + _LIBCPP_HIDE_FROM_ABI basic_istringstream(const basic_string<_CharT, _Traits, _SAlloc>& __s, const _Allocator& __a) + : basic_istringstream(__s, ios_base::in, __a) {} + + template <class _SAlloc> + _LIBCPP_HIDE_FROM_ABI basic_istringstream( + const basic_string<_CharT, _Traits, _SAlloc>& __s, ios_base::openmode __wch, const _Allocator& __a) + : basic_istream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__s, __wch | ios_base::in, __a) {} + + template <class _SAlloc> + _LIBCPP_HIDE_FROM_ABI explicit basic_istringstream(const basic_string<_CharT, _Traits, _SAlloc>& __s, + ios_base::openmode __wch = ios_base::in) + : basic_istream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__s, __wch | ios_base::in) {} +# endif // _LIBCPP_STD_VER >= 20 + +# if _LIBCPP_STD_VER >= 26 + + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI explicit basic_istringstream(const _Tp& __t, ios_base::openmode __which = ios_base::in) + : basic_istringstream(__t, __which, _Allocator()) {} + + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI basic_istringstream(const _Tp& __t, const _Allocator& __a) + : basic_istringstream(__t, ios_base::in, __a) {} + + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI basic_istringstream(const _Tp& __t, ios_base::openmode __which, const _Allocator& __a) + : basic_istream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__t, __which | ios_base::in, __a) {} + +# endif // _LIBCPP_STD_VER >= 26 + + basic_istringstream(const basic_istringstream&) = delete; + _LIBCPP_HIDE_FROM_ABI basic_istringstream(basic_istringstream&& __rhs) + : basic_istream<_CharT, _Traits>(std::move(__rhs)), __sb_(std::move(__rhs.__sb_)) { + basic_istream<_CharT, _Traits>::set_rdbuf(std::addressof(__sb_)); + } + + // [istringstream.assign] Assign and swap: + basic_istringstream& operator=(const basic_istringstream&) = delete; + basic_istringstream& operator=(basic_istringstream&& __rhs) { + basic_istream<char_type, traits_type>::operator=(std::move(__rhs)); + __sb_ = std::move(__rhs.__sb_); + return *this; + } + _LIBCPP_HIDE_FROM_ABI void swap(basic_istringstream& __rhs) { + basic_istream<char_type, traits_type>::swap(__rhs); + __sb_.swap(__rhs.__sb_); + } + + // [istringstream.members] Member functions: + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const { + return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(std::addressof(__sb_)); + } + +# if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_BUILDING_LIBRARY) + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI string_type str() const { return __sb_.str(); } +# else + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI string_type str() const& { return __sb_.str(); } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI string_type str() && { return std::move(__sb_).str(); } +# endif + +# if _LIBCPP_STD_VER >= 20 + template <class _SAlloc> + requires __is_allocator_v<_SAlloc> + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI basic_string<char_type, traits_type, _SAlloc> str(const _SAlloc& __sa) const { + return __sb_.str(__sa); + } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI basic_string_view<char_type, traits_type> view() const noexcept { + return __sb_.view(); + } +# endif // _LIBCPP_STD_VER >= 20 + + _LIBCPP_HIDE_FROM_ABI void str(const string_type& __s) { __sb_.str(__s); } + +# if _LIBCPP_STD_VER >= 20 + template <class _SAlloc> + _LIBCPP_HIDE_FROM_ABI void str(const basic_string<char_type, traits_type, _SAlloc>& __s) { + __sb_.str(__s); + } + + _LIBCPP_HIDE_FROM_ABI void str(string_type&& __s) { __sb_.str(std::move(__s)); } +# endif // _LIBCPP_STD_VER >= 20 + +# if _LIBCPP_STD_VER >= 26 + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI void str(const _Tp& __t) { + rdbuf()->str(__t); + } +# endif // _LIBCPP_STD_VER >= 26 +}; + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_HIDE_FROM_ABI void +swap(basic_istringstream<_CharT, _Traits, _Allocator>& __x, basic_istringstream<_CharT, _Traits, _Allocator>& __y) { + __x.swap(__y); +} + +// Class template basic_ostringstream [ostringstream] + +template <class _CharT, class _Traits, class _Allocator> +class basic_ostringstream : public basic_ostream<_CharT, _Traits> { +public: + typedef _CharT char_type; + typedef _Traits traits_type; + typedef typename traits_type::int_type int_type; + typedef typename traits_type::pos_type pos_type; + typedef typename traits_type::off_type off_type; + typedef _Allocator allocator_type; + + typedef basic_string<char_type, traits_type, allocator_type> string_type; + +private: + basic_stringbuf<char_type, traits_type, allocator_type> __sb_; + +public: + // [ostringstream.cons] Constructors: + _LIBCPP_HIDE_FROM_ABI basic_ostringstream() + : basic_ostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(ios_base::out) {} + + _LIBCPP_HIDE_FROM_ABI explicit basic_ostringstream(ios_base::openmode __wch) + : basic_ostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__wch | ios_base::out) {} + + _LIBCPP_HIDE_FROM_ABI explicit basic_ostringstream(const string_type& __s, ios_base::openmode __wch = ios_base::out) + : basic_ostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__s, __wch | ios_base::out) {} + +# if _LIBCPP_STD_VER >= 20 + _LIBCPP_HIDE_FROM_ABI basic_ostringstream(ios_base::openmode __wch, const _Allocator& __a) + : basic_ostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__wch | ios_base::out, __a) {} + + _LIBCPP_HIDE_FROM_ABI explicit basic_ostringstream(string_type&& __s, ios_base::openmode __wch = ios_base::out) + : basic_ostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(std::move(__s), __wch | ios_base::out) {} + + template <class _SAlloc> + _LIBCPP_HIDE_FROM_ABI basic_ostringstream(const basic_string<_CharT, _Traits, _SAlloc>& __s, const _Allocator& __a) + : basic_ostringstream(__s, ios_base::out, __a) {} + + template <class _SAlloc> + _LIBCPP_HIDE_FROM_ABI basic_ostringstream( + const basic_string<_CharT, _Traits, _SAlloc>& __s, ios_base::openmode __wch, const _Allocator& __a) + : basic_ostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__s, __wch | ios_base::out, __a) {} + + template <class _SAlloc> + requires(!is_same_v<_SAlloc, allocator_type>) + _LIBCPP_HIDE_FROM_ABI explicit basic_ostringstream(const basic_string<_CharT, _Traits, _SAlloc>& __s, + ios_base::openmode __wch = ios_base::out) + : basic_ostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__s, __wch | ios_base::out) {} +# endif // _LIBCPP_STD_VER >= 20 + +# if _LIBCPP_STD_VER >= 26 + + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI explicit basic_ostringstream(const _Tp& __t, ios_base::openmode __which = ios_base::out) + : basic_ostringstream(__t, __which | ios_base::out, _Allocator()) {} + + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI basic_ostringstream(const _Tp& __t, const _Allocator& __a) + : basic_ostringstream(__t, ios_base::out, __a) {} + + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI basic_ostringstream(const _Tp& __t, ios_base::openmode __which, const _Allocator& __a) + : basic_ostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__t, __which | ios_base::out, __a) {} + +# endif // _LIBCPP_STD_VER >= 26 + + basic_ostringstream(const basic_ostringstream&) = delete; + _LIBCPP_HIDE_FROM_ABI basic_ostringstream(basic_ostringstream&& __rhs) + : basic_ostream<_CharT, _Traits>(std::move(__rhs)), __sb_(std::move(__rhs.__sb_)) { + basic_ostream<_CharT, _Traits>::set_rdbuf(std::addressof(__sb_)); + } + + // [ostringstream.assign] Assign and swap: + basic_ostringstream& operator=(const basic_ostringstream&) = delete; + basic_ostringstream& operator=(basic_ostringstream&& __rhs) { + basic_ostream<char_type, traits_type>::operator=(std::move(__rhs)); + __sb_ = std::move(__rhs.__sb_); + return *this; + } + + _LIBCPP_HIDE_FROM_ABI void swap(basic_ostringstream& __rhs) { + basic_ostream<char_type, traits_type>::swap(__rhs); + __sb_.swap(__rhs.__sb_); + } + + // [ostringstream.members] Member functions: + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const { + return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(std::addressof(__sb_)); + } + +# if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_BUILDING_LIBRARY) + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI string_type str() const { return __sb_.str(); } +# else + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI string_type str() const& { return __sb_.str(); } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI string_type str() && { return std::move(__sb_).str(); } +# endif + +# if _LIBCPP_STD_VER >= 20 + template <class _SAlloc> + requires __is_allocator_v<_SAlloc> + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI basic_string<char_type, traits_type, _SAlloc> str(const _SAlloc& __sa) const { + return __sb_.str(__sa); + } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI basic_string_view<char_type, traits_type> view() const noexcept { + return __sb_.view(); + } +# endif // _LIBCPP_STD_VER >= 20 + + _LIBCPP_HIDE_FROM_ABI void str(const string_type& __s) { __sb_.str(__s); } + +# if _LIBCPP_STD_VER >= 20 + template <class _SAlloc> + _LIBCPP_HIDE_FROM_ABI void str(const basic_string<char_type, traits_type, _SAlloc>& __s) { + __sb_.str(__s); + } + + _LIBCPP_HIDE_FROM_ABI void str(string_type&& __s) { __sb_.str(std::move(__s)); } +# endif // _LIBCPP_STD_VER >= 20 + +# if _LIBCPP_STD_VER >= 26 + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI void str(const _Tp& __t) { + rdbuf()->str(__t); + } +# endif // _LIBCPP_STD_VER >= 26 +}; + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_HIDE_FROM_ABI void +swap(basic_ostringstream<_CharT, _Traits, _Allocator>& __x, basic_ostringstream<_CharT, _Traits, _Allocator>& __y) { + __x.swap(__y); +} + +// Class template basic_stringstream [stringstream] + +template <class _CharT, class _Traits, class _Allocator> +class basic_stringstream : public basic_iostream<_CharT, _Traits> { +public: + typedef _CharT char_type; + typedef _Traits traits_type; + typedef typename traits_type::int_type int_type; + typedef typename traits_type::pos_type pos_type; + typedef typename traits_type::off_type off_type; + typedef _Allocator allocator_type; + + typedef basic_string<char_type, traits_type, allocator_type> string_type; + +private: + basic_stringbuf<char_type, traits_type, allocator_type> __sb_; + +public: + // [stringstream.cons] constructors + _LIBCPP_HIDE_FROM_ABI basic_stringstream() + : basic_iostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(ios_base::in | ios_base::out) {} + + _LIBCPP_HIDE_FROM_ABI explicit basic_stringstream(ios_base::openmode __wch) + : basic_iostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__wch) {} + + _LIBCPP_HIDE_FROM_ABI explicit basic_stringstream(const string_type& __s, + ios_base::openmode __wch = ios_base::in | ios_base::out) + : basic_iostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__s, __wch) {} + +# if _LIBCPP_STD_VER >= 20 + _LIBCPP_HIDE_FROM_ABI basic_stringstream(ios_base::openmode __wch, const _Allocator& __a) + : basic_iostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__wch, __a) {} + + _LIBCPP_HIDE_FROM_ABI explicit basic_stringstream(string_type&& __s, + ios_base::openmode __wch = ios_base::out | ios_base::in) + : basic_iostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(std::move(__s), __wch) {} + + template <class _SAlloc> + _LIBCPP_HIDE_FROM_ABI basic_stringstream(const basic_string<_CharT, _Traits, _SAlloc>& __s, const _Allocator& __a) + : basic_stringstream(__s, ios_base::out | ios_base::in, __a) {} + + template <class _SAlloc> + _LIBCPP_HIDE_FROM_ABI + basic_stringstream(const basic_string<_CharT, _Traits, _SAlloc>& __s, ios_base::openmode __wch, const _Allocator& __a) + : basic_iostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__s, __wch, __a) {} + + template <class _SAlloc> + requires(!is_same_v<_SAlloc, allocator_type>) + _LIBCPP_HIDE_FROM_ABI explicit basic_stringstream(const basic_string<_CharT, _Traits, _SAlloc>& __s, + ios_base::openmode __wch = ios_base::out | ios_base::in) + : basic_iostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__s, __wch) {} +# endif // _LIBCPP_STD_VER >= 20 + +# if _LIBCPP_STD_VER >= 26 + + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI explicit basic_stringstream(const _Tp& __t, + ios_base::openmode __which = ios_base::out | ios_base::in) + : basic_stringstream(__t, __which, _Allocator()) {} + + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI basic_stringstream(const _Tp& __t, const _Allocator& __a) + : basic_stringstream(__t, ios_base::out | ios_base::in, __a) {} + + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI basic_stringstream(const _Tp& __t, ios_base::openmode __which, const _Allocator& __a) + : basic_iostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__t, __which, __a) {} + +# endif // _LIBCPP_STD_VER >= 26 + + basic_stringstream(const basic_stringstream&) = delete; + _LIBCPP_HIDE_FROM_ABI basic_stringstream(basic_stringstream&& __rhs) + : basic_iostream<_CharT, _Traits>(std::move(__rhs)), __sb_(std::move(__rhs.__sb_)) { + basic_istream<_CharT, _Traits>::set_rdbuf(std::addressof(__sb_)); + } + + // [stringstream.assign] Assign and swap: + basic_stringstream& operator=(const basic_stringstream&) = delete; + basic_stringstream& operator=(basic_stringstream&& __rhs) { + basic_iostream<char_type, traits_type>::operator=(std::move(__rhs)); + __sb_ = std::move(__rhs.__sb_); + return *this; + } + _LIBCPP_HIDE_FROM_ABI void swap(basic_stringstream& __rhs) { + basic_iostream<char_type, traits_type>::swap(__rhs); + __sb_.swap(__rhs.__sb_); + } + + // [stringstream.members] Member functions: + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const { + return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(std::addressof(__sb_)); + } + +# if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_BUILDING_LIBRARY) + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI string_type str() const { return __sb_.str(); } +# else + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI string_type str() const& { return __sb_.str(); } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI string_type str() && { return std::move(__sb_).str(); } +# endif + +# if _LIBCPP_STD_VER >= 20 + template <class _SAlloc> + requires __is_allocator_v<_SAlloc> + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI basic_string<char_type, traits_type, _SAlloc> str(const _SAlloc& __sa) const { + return __sb_.str(__sa); + } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI basic_string_view<char_type, traits_type> view() const noexcept { + return __sb_.view(); + } +# endif // _LIBCPP_STD_VER >= 20 + + _LIBCPP_HIDE_FROM_ABI void str(const string_type& __s) { __sb_.str(__s); } + +# if _LIBCPP_STD_VER >= 20 + template <class _SAlloc> + _LIBCPP_HIDE_FROM_ABI void str(const basic_string<char_type, traits_type, _SAlloc>& __s) { + __sb_.str(__s); + } + + _LIBCPP_HIDE_FROM_ABI void str(string_type&& __s) { __sb_.str(std::move(__s)); } +# endif // _LIBCPP_STD_VER >= 20 + +# if _LIBCPP_STD_VER >= 26 + template <class _Tp> + requires is_convertible_v<const _Tp&, basic_string_view<_CharT, _Traits>> + _LIBCPP_HIDE_FROM_ABI void str(const _Tp& __t) { + rdbuf()->str(__t); + } +# endif // _LIBCPP_STD_VER >= 26 +}; + +template <class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_HIDE_FROM_ABI void +swap(basic_stringstream<_CharT, _Traits, _Allocator>& __x, basic_stringstream<_CharT, _Traits, _Allocator>& __y) { + __x.swap(__y); +} + +# if _LIBCPP_AVAILABILITY_HAS_ADDITIONAL_IOSTREAM_EXPLICIT_INSTANTIATIONS_1 +extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_stringbuf<char>; +extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_stringstream<char>; +extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_ostringstream<char>; +extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_istringstream<char>; +# endif + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +# endif // _LIBCPP_HAS_LOCALIZATION + +# if _LIBCPP_STD_VER <= 20 && !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) +# include <ostream> +# include <type_traits> +# endif +#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) + +#endif // _LIBCPP_SSTREAM |