| // -*- 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___FORMAT_CONTAINER_ADAPTOR_H |
| #define _LIBCPP___FORMAT_CONTAINER_ADAPTOR_H |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| #include <__availability> |
| #include <__config> |
| #include <__format/concepts.h> |
| #include <__format/formatter.h> |
| #include <__format/range_default_formatter.h> |
| #include <queue> |
| #include <stack> |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| #if _LIBCPP_STD_VER > 20 |
| |
| // [container.adaptors.format] only specifies the library should provide the |
| // formatter specializations, not which header should provide them. |
| // Since <format> includes a lot of headers, add these headers here instead of |
| // adding more dependencies like, locale, optinal, string, tuple, etc. to the |
| // adaptor headers. To use the format functions users already include <format>. |
| |
| template <class _Adaptor, class _CharT> |
| struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT __formatter_container_adaptor { |
| private: |
| using __maybe_const_adaptor = __fmt_maybe_const<_Adaptor, _CharT>; |
| formatter<typename _Adaptor::container_type, _CharT> __underlying_; |
| |
| public: |
| template <class _ParseContext> |
| _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { |
| return __underlying_.parse(__ctx); |
| } |
| |
| template <class _FormatContext> |
| _LIBCPP_HIDE_FROM_ABI typename _FormatContext::iterator |
| format(__maybe_const_adaptor& __adaptor, _FormatContext& __ctx) const { |
| return __underlying_.format(__adaptor.__get_container(), __ctx); |
| } |
| }; |
| |
| template <class _CharT, class _Tp, formattable<_CharT> _Container> |
| struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<queue<_Tp, _Container>, _CharT> |
| : public __formatter_container_adaptor<queue<_Tp, _Container>, _CharT> {}; |
| |
| template <class _CharT, class _Tp, class _Container, class _Compare> |
| struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<priority_queue<_Tp, _Container, _Compare>, _CharT> |
| : public __formatter_container_adaptor<priority_queue<_Tp, _Container, _Compare>, _CharT> {}; |
| |
| template <class _CharT, class _Tp, formattable<_CharT> _Container> |
| struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<stack<_Tp, _Container>, _CharT> |
| : public __formatter_container_adaptor<stack<_Tp, _Container>, _CharT> {}; |
| |
| #endif //_LIBCPP_STD_VER > 20 |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___FORMAT_CONTAINER_ADAPTOR_H |