| // -*- 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_FORMATTER_BOOL_H |
| #define _LIBCPP___FORMAT_FORMATTER_BOOL_H |
| |
| #include <__algorithm/copy.h> |
| #include <__availability> |
| #include <__config> |
| #include <__debug> |
| #include <__format/concepts.h> |
| #include <__format/format_error.h> |
| #include <__format/format_parse_context.h> |
| #include <__format/formatter.h> |
| #include <__format/formatter_integral.h> |
| #include <__format/parser_std_format_spec.h> |
| #include <__utility/unreachable.h> |
| #include <string_view> |
| |
| #ifndef _LIBCPP_HAS_NO_LOCALIZATION |
| # include <locale> |
| #endif |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| #if _LIBCPP_STD_VER > 17 |
| |
| template <__fmt_char_type _CharT> |
| struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<bool, _CharT> { |
| public: |
| _LIBCPP_HIDE_FROM_ABI constexpr auto |
| parse(basic_format_parse_context<_CharT>& __parse_ctx) -> decltype(__parse_ctx.begin()) { |
| auto __result = __parser_.__parse(__parse_ctx, __format_spec::__fields_integral); |
| __format_spec::__process_parsed_bool(__parser_); |
| return __result; |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI auto format(bool __value, auto& __ctx) const -> decltype(__ctx.out()) { |
| switch (__parser_.__type_) { |
| case __format_spec::__type::__default: |
| case __format_spec::__type::__string: |
| return __formatter::__format_bool(__value, __ctx, __parser_.__get_parsed_std_specifications(__ctx)); |
| |
| case __format_spec::__type::__binary_lower_case: |
| case __format_spec::__type::__binary_upper_case: |
| case __format_spec::__type::__octal: |
| case __format_spec::__type::__decimal: |
| case __format_spec::__type::__hexadecimal_lower_case: |
| case __format_spec::__type::__hexadecimal_upper_case: |
| // Promotes bool to an integral type. This reduces the number of |
| // instantiations of __format_integer reducing code size. |
| return __formatter::__format_integer( |
| static_cast<unsigned>(__value), __ctx, __parser_.__get_parsed_std_specifications(__ctx)); |
| |
| default: |
| _LIBCPP_ASSERT(false, "The parse function should have validated the type"); |
| __libcpp_unreachable(); |
| } |
| } |
| |
| __format_spec::__parser<_CharT> __parser_; |
| }; |
| |
| #endif //_LIBCPP_STD_VER > 17 |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___FORMAT_FORMATTER_BOOL_H |