thirdparty/fmt: bump to 11.0.2
This commit is contained in:
508
thirdparty/fmt/ranges.h
vendored
508
thirdparty/fmt/ranges.h
vendored
@ -8,67 +8,31 @@
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#ifndef FMT_RANGES_H_
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#define FMT_RANGES_H_
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#include <initializer_list>
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#include <tuple>
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#include <type_traits>
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#ifndef FMT_MODULE
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# include <initializer_list>
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# include <iterator>
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# include <string>
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# include <tuple>
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# include <type_traits>
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# include <utility>
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#endif
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#include "format.h"
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FMT_BEGIN_NAMESPACE
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FMT_EXPORT
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enum class range_format { disabled, map, set, sequence, string, debug_string };
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namespace detail {
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template <typename Range, typename OutputIt>
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auto copy(const Range& range, OutputIt out) -> OutputIt {
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for (auto it = range.begin(), end = range.end(); it != end; ++it)
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*out++ = *it;
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return out;
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}
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template <typename OutputIt>
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auto copy(const char* str, OutputIt out) -> OutputIt {
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while (*str) *out++ = *str++;
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return out;
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}
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template <typename OutputIt> auto copy(char ch, OutputIt out) -> OutputIt {
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*out++ = ch;
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return out;
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}
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template <typename OutputIt> auto copy(wchar_t ch, OutputIt out) -> OutputIt {
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*out++ = ch;
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return out;
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}
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// Returns true if T has a std::string-like interface, like std::string_view.
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template <typename T> class is_std_string_like {
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template <typename U>
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static auto check(U* p)
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-> decltype((void)p->find('a'), p->length(), (void)p->data(), int());
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template <typename> static void check(...);
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public:
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static constexpr const bool value =
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is_string<T>::value ||
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std::is_convertible<T, std_string_view<char>>::value ||
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!std::is_void<decltype(check<T>(nullptr))>::value;
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};
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template <typename Char>
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struct is_std_string_like<fmt::basic_string_view<Char>> : std::true_type {};
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template <typename T> class is_map {
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template <typename U> static auto check(U*) -> typename U::mapped_type;
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template <typename> static void check(...);
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public:
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#ifdef FMT_FORMAT_MAP_AS_LIST // DEPRECATED!
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static constexpr const bool value = false;
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#else
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static constexpr const bool value =
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!std::is_void<decltype(check<T>(nullptr))>::value;
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#endif
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};
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template <typename T> class is_set {
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@ -76,12 +40,8 @@ template <typename T> class is_set {
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template <typename> static void check(...);
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public:
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#ifdef FMT_FORMAT_SET_AS_LIST // DEPRECATED!
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static constexpr const bool value = false;
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#else
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static constexpr const bool value =
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!std::is_void<decltype(check<T>(nullptr))>::value && !is_map<T>::value;
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#endif
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};
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template <typename... Ts> struct conditional_helper {};
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@ -110,17 +70,17 @@ template <typename T, typename Enable = void>
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struct has_member_fn_begin_end_t : std::false_type {};
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template <typename T>
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struct has_member_fn_begin_end_t<T, void_t<decltype(std::declval<T>().begin()),
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struct has_member_fn_begin_end_t<T, void_t<decltype(*std::declval<T>().begin()),
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decltype(std::declval<T>().end())>>
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: std::true_type {};
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// Member function overload
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// Member function overloads.
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template <typename T>
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auto range_begin(T&& rng) FMT_DECLTYPE_RETURN(static_cast<T&&>(rng).begin());
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template <typename T>
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auto range_end(T&& rng) FMT_DECLTYPE_RETURN(static_cast<T&&>(rng).end());
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// ADL overload. Only participates in overload resolution if member functions
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// ADL overloads. Only participate in overload resolution if member functions
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// are not found.
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template <typename T>
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auto range_begin(T&& rng)
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@ -141,16 +101,16 @@ struct has_mutable_begin_end : std::false_type {};
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template <typename T>
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struct has_const_begin_end<
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T,
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void_t<
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decltype(detail::range_begin(std::declval<const remove_cvref_t<T>&>())),
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decltype(detail::range_end(std::declval<const remove_cvref_t<T>&>()))>>
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T, void_t<decltype(*detail::range_begin(
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std::declval<const remove_cvref_t<T>&>())),
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decltype(detail::range_end(
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std::declval<const remove_cvref_t<T>&>()))>>
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: std::true_type {};
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template <typename T>
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struct has_mutable_begin_end<
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T, void_t<decltype(detail::range_begin(std::declval<T>())),
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decltype(detail::range_end(std::declval<T>())),
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T, void_t<decltype(*detail::range_begin(std::declval<T&>())),
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decltype(detail::range_end(std::declval<T&>())),
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// the extra int here is because older versions of MSVC don't
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// SFINAE properly unless there are distinct types
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int>> : std::true_type {};
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@ -206,12 +166,13 @@ class is_tuple_formattable_ {
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static constexpr const bool value = false;
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};
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template <typename T, typename C> class is_tuple_formattable_<T, C, true> {
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template <std::size_t... Is>
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static auto check2(index_sequence<Is...>,
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integer_sequence<bool, (Is == Is)...>) -> std::true_type;
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static auto check2(...) -> std::false_type;
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template <std::size_t... Is>
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static auto check(index_sequence<Is...>) -> decltype(check2(
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template <size_t... Is>
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static auto all_true(index_sequence<Is...>,
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integer_sequence<bool, (Is >= 0)...>) -> std::true_type;
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static auto all_true(...) -> std::false_type;
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template <size_t... Is>
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static auto check(index_sequence<Is...>) -> decltype(all_true(
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index_sequence<Is...>{},
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integer_sequence<bool,
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(is_formattable<typename std::tuple_element<Is, T>::type,
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@ -292,6 +253,18 @@ FMT_CONSTEXPR auto maybe_set_debug_format(Formatter& f, bool set)
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template <typename Formatter>
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FMT_CONSTEXPR void maybe_set_debug_format(Formatter&, ...) {}
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template <typename T>
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struct range_format_kind_
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: std::integral_constant<range_format,
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std::is_same<uncvref_type<T>, T>::value
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? range_format::disabled
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: is_map<T>::value ? range_format::map
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: is_set<T>::value ? range_format::set
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: range_format::sequence> {};
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template <range_format K>
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using range_format_constant = std::integral_constant<range_format, K>;
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// These are not generic lambdas for compatibility with C++11.
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template <typename ParseContext> struct parse_empty_specs {
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template <typename Formatter> FMT_CONSTEXPR void operator()(Formatter& f) {
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@ -305,8 +278,7 @@ template <typename FormatContext> struct format_tuple_element {
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template <typename T>
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void operator()(const formatter<T, char_type>& f, const T& v) {
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if (i > 0)
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ctx.advance_to(detail::copy_str<char_type>(separator, ctx.out()));
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if (i > 0) ctx.advance_to(detail::copy<char_type>(separator, ctx.out()));
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ctx.advance_to(f.format(v, ctx));
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++i;
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}
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@ -358,8 +330,7 @@ struct formatter<Tuple, Char,
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template <typename ParseContext>
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FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
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auto it = ctx.begin();
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if (it != ctx.end() && *it != '}')
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FMT_THROW(format_error("invalid format specifier"));
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if (it != ctx.end() && *it != '}') report_error("invalid format specifier");
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detail::for_each(formatters_, detail::parse_empty_specs<ParseContext>{ctx});
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return it;
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}
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@ -367,19 +338,17 @@ struct formatter<Tuple, Char,
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template <typename FormatContext>
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auto format(const Tuple& value, FormatContext& ctx) const
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-> decltype(ctx.out()) {
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ctx.advance_to(detail::copy_str<Char>(opening_bracket_, ctx.out()));
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ctx.advance_to(detail::copy<Char>(opening_bracket_, ctx.out()));
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detail::for_each2(
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formatters_, value,
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detail::format_tuple_element<FormatContext>{0, ctx, separator_});
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return detail::copy_str<Char>(closing_bracket_, ctx.out());
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return detail::copy<Char>(closing_bracket_, ctx.out());
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}
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};
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template <typename T, typename Char> struct is_range {
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static constexpr const bool value =
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detail::is_range_<T>::value && !detail::is_std_string_like<T>::value &&
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!std::is_convertible<T, std::basic_string<Char>>::value &&
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!std::is_convertible<T, detail::std_string_view<Char>>::value;
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detail::is_range_<T>::value && !detail::has_to_string_view<T>::value;
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};
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namespace detail {
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@ -401,8 +370,8 @@ template <typename Context> struct range_mapper {
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template <typename Char, typename Element>
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using range_formatter_type =
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formatter<remove_cvref_t<decltype(range_mapper<buffer_context<Char>>{}.map(
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std::declval<Element>()))>,
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formatter<remove_cvref_t<decltype(range_mapper<buffered_context<Char>>{}
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.map(std::declval<Element>()))>,
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Char>;
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template <typename R>
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@ -438,6 +407,24 @@ struct range_formatter<
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detail::string_literal<Char, '['>{};
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basic_string_view<Char> closing_bracket_ =
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detail::string_literal<Char, ']'>{};
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bool is_debug = false;
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template <typename Output, typename It, typename Sentinel, typename U = T,
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FMT_ENABLE_IF(std::is_same<U, Char>::value)>
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auto write_debug_string(Output& out, It it, Sentinel end) const -> Output {
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auto buf = basic_memory_buffer<Char>();
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for (; it != end; ++it) buf.push_back(*it);
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auto specs = format_specs();
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specs.type = presentation_type::debug;
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return detail::write<Char>(
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out, basic_string_view<Char>(buf.data(), buf.size()), specs);
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}
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template <typename Output, typename It, typename Sentinel, typename U = T,
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FMT_ENABLE_IF(!std::is_same<U, Char>::value)>
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auto write_debug_string(Output& out, It, Sentinel) const -> Output {
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return out;
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}
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public:
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FMT_CONSTEXPR range_formatter() {}
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@ -460,17 +447,37 @@ struct range_formatter<
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FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
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auto it = ctx.begin();
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auto end = ctx.end();
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detail::maybe_set_debug_format(underlying_, true);
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if (it == end) return underlying_.parse(ctx);
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if (it != end && *it == 'n') {
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switch (detail::to_ascii(*it)) {
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case 'n':
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set_brackets({}, {});
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++it;
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break;
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case '?':
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is_debug = true;
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set_brackets({}, {});
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++it;
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if (it == end || *it != 's') report_error("invalid format specifier");
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FMT_FALLTHROUGH;
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case 's':
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if (!std::is_same<T, Char>::value)
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report_error("invalid format specifier");
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if (!is_debug) {
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set_brackets(detail::string_literal<Char, '"'>{},
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detail::string_literal<Char, '"'>{});
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set_separator({});
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detail::maybe_set_debug_format(underlying_, false);
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}
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++it;
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return it;
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}
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if (it != end && *it != '}') {
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if (*it != ':') FMT_THROW(format_error("invalid format specifier"));
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if (*it != ':') report_error("invalid format specifier");
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detail::maybe_set_debug_format(underlying_, false);
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++it;
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} else {
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detail::maybe_set_debug_format(underlying_, true);
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}
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ctx.advance_to(it);
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@ -479,80 +486,27 @@ struct range_formatter<
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template <typename R, typename FormatContext>
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auto format(R&& range, FormatContext& ctx) const -> decltype(ctx.out()) {
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detail::range_mapper<buffer_context<Char>> mapper;
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auto mapper = detail::range_mapper<buffered_context<Char>>();
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auto out = ctx.out();
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out = detail::copy_str<Char>(opening_bracket_, out);
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int i = 0;
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auto it = detail::range_begin(range);
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auto end = detail::range_end(range);
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if (is_debug) return write_debug_string(out, std::move(it), end);
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out = detail::copy<Char>(opening_bracket_, out);
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int i = 0;
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for (; it != end; ++it) {
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if (i > 0) out = detail::copy_str<Char>(separator_, out);
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if (i > 0) out = detail::copy<Char>(separator_, out);
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ctx.advance_to(out);
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auto&& item = *it;
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auto&& item = *it; // Need an lvalue
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out = underlying_.format(mapper.map(item), ctx);
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++i;
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}
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out = detail::copy_str<Char>(closing_bracket_, out);
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out = detail::copy<Char>(closing_bracket_, out);
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return out;
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}
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};
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enum class range_format { disabled, map, set, sequence, string, debug_string };
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namespace detail {
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template <typename T>
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struct range_format_kind_
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: std::integral_constant<range_format,
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std::is_same<uncvref_type<T>, T>::value
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? range_format::disabled
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: is_map<T>::value ? range_format::map
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: is_set<T>::value ? range_format::set
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: range_format::sequence> {};
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template <range_format K, typename R, typename Char, typename Enable = void>
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struct range_default_formatter;
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template <range_format K>
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using range_format_constant = std::integral_constant<range_format, K>;
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template <range_format K, typename R, typename Char>
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struct range_default_formatter<
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K, R, Char,
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enable_if_t<(K == range_format::sequence || K == range_format::map ||
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K == range_format::set)>> {
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using range_type = detail::maybe_const_range<R>;
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range_formatter<detail::uncvref_type<range_type>, Char> underlying_;
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FMT_CONSTEXPR range_default_formatter() { init(range_format_constant<K>()); }
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FMT_CONSTEXPR void init(range_format_constant<range_format::set>) {
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underlying_.set_brackets(detail::string_literal<Char, '{'>{},
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detail::string_literal<Char, '}'>{});
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}
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FMT_CONSTEXPR void init(range_format_constant<range_format::map>) {
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underlying_.set_brackets(detail::string_literal<Char, '{'>{},
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detail::string_literal<Char, '}'>{});
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underlying_.underlying().set_brackets({}, {});
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underlying_.underlying().set_separator(
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detail::string_literal<Char, ':', ' '>{});
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}
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FMT_CONSTEXPR void init(range_format_constant<range_format::sequence>) {}
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template <typename ParseContext>
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FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
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return underlying_.parse(ctx);
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}
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template <typename FormatContext>
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auto format(range_type& range, FormatContext& ctx) const
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-> decltype(ctx.out()) {
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return underlying_.format(range, ctx);
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}
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};
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} // namespace detail
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FMT_EXPORT
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template <typename T, typename Char, typename Enable = void>
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struct range_format_kind
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: conditional_t<
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@ -562,18 +516,221 @@ struct range_format_kind
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template <typename R, typename Char>
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struct formatter<
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R, Char,
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enable_if_t<conjunction<bool_constant<range_format_kind<R, Char>::value !=
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range_format::disabled>
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enable_if_t<conjunction<
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bool_constant<
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range_format_kind<R, Char>::value != range_format::disabled &&
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range_format_kind<R, Char>::value != range_format::map &&
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range_format_kind<R, Char>::value != range_format::string &&
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range_format_kind<R, Char>::value != range_format::debug_string>
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// Workaround a bug in MSVC 2015 and earlier.
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#if !FMT_MSC_VERSION || FMT_MSC_VERSION >= 1910
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,
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detail::is_formattable_delayed<R, Char>
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,
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detail::is_formattable_delayed<R, Char>
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#endif
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>::value>>
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: detail::range_default_formatter<range_format_kind<R, Char>::value, R,
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Char> {
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>::value>> {
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private:
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using range_type = detail::maybe_const_range<R>;
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range_formatter<detail::uncvref_type<range_type>, Char> range_formatter_;
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public:
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using nonlocking = void;
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FMT_CONSTEXPR formatter() {
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if (detail::const_check(range_format_kind<R, Char>::value !=
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range_format::set))
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return;
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range_formatter_.set_brackets(detail::string_literal<Char, '{'>{},
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detail::string_literal<Char, '}'>{});
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}
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template <typename ParseContext>
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FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
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return range_formatter_.parse(ctx);
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}
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||||
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template <typename FormatContext>
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auto format(range_type& range, FormatContext& ctx) const
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-> decltype(ctx.out()) {
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return range_formatter_.format(range, ctx);
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}
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||||
};
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||||
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// A map formatter.
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template <typename R, typename Char>
|
||||
struct formatter<
|
||||
R, Char,
|
||||
enable_if_t<range_format_kind<R, Char>::value == range_format::map>> {
|
||||
private:
|
||||
using map_type = detail::maybe_const_range<R>;
|
||||
using element_type = detail::uncvref_type<map_type>;
|
||||
|
||||
decltype(detail::tuple::get_formatters<element_type, Char>(
|
||||
detail::tuple_index_sequence<element_type>())) formatters_;
|
||||
bool no_delimiters_ = false;
|
||||
|
||||
public:
|
||||
FMT_CONSTEXPR formatter() {}
|
||||
|
||||
template <typename ParseContext>
|
||||
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
|
||||
auto it = ctx.begin();
|
||||
auto end = ctx.end();
|
||||
if (it != end) {
|
||||
if (detail::to_ascii(*it) == 'n') {
|
||||
no_delimiters_ = true;
|
||||
++it;
|
||||
}
|
||||
if (it != end && *it != '}') {
|
||||
if (*it != ':') report_error("invalid format specifier");
|
||||
++it;
|
||||
}
|
||||
ctx.advance_to(it);
|
||||
}
|
||||
detail::for_each(formatters_, detail::parse_empty_specs<ParseContext>{ctx});
|
||||
return it;
|
||||
}
|
||||
|
||||
template <typename FormatContext>
|
||||
auto format(map_type& map, FormatContext& ctx) const -> decltype(ctx.out()) {
|
||||
auto out = ctx.out();
|
||||
basic_string_view<Char> open = detail::string_literal<Char, '{'>{};
|
||||
if (!no_delimiters_) out = detail::copy<Char>(open, out);
|
||||
int i = 0;
|
||||
auto mapper = detail::range_mapper<buffered_context<Char>>();
|
||||
basic_string_view<Char> sep = detail::string_literal<Char, ',', ' '>{};
|
||||
for (auto&& value : map) {
|
||||
if (i > 0) out = detail::copy<Char>(sep, out);
|
||||
ctx.advance_to(out);
|
||||
detail::for_each2(formatters_, mapper.map(value),
|
||||
detail::format_tuple_element<FormatContext>{
|
||||
0, ctx, detail::string_literal<Char, ':', ' '>{}});
|
||||
++i;
|
||||
}
|
||||
basic_string_view<Char> close = detail::string_literal<Char, '}'>{};
|
||||
if (!no_delimiters_) out = detail::copy<Char>(close, out);
|
||||
return out;
|
||||
}
|
||||
};
|
||||
|
||||
// A (debug_)string formatter.
|
||||
template <typename R, typename Char>
|
||||
struct formatter<
|
||||
R, Char,
|
||||
enable_if_t<range_format_kind<R, Char>::value == range_format::string ||
|
||||
range_format_kind<R, Char>::value ==
|
||||
range_format::debug_string>> {
|
||||
private:
|
||||
using range_type = detail::maybe_const_range<R>;
|
||||
using string_type =
|
||||
conditional_t<std::is_constructible<
|
||||
detail::std_string_view<Char>,
|
||||
decltype(detail::range_begin(std::declval<R>())),
|
||||
decltype(detail::range_end(std::declval<R>()))>::value,
|
||||
detail::std_string_view<Char>, std::basic_string<Char>>;
|
||||
|
||||
formatter<string_type, Char> underlying_;
|
||||
|
||||
public:
|
||||
template <typename ParseContext>
|
||||
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
|
||||
return underlying_.parse(ctx);
|
||||
}
|
||||
|
||||
template <typename FormatContext>
|
||||
auto format(range_type& range, FormatContext& ctx) const
|
||||
-> decltype(ctx.out()) {
|
||||
auto out = ctx.out();
|
||||
if (detail::const_check(range_format_kind<R, Char>::value ==
|
||||
range_format::debug_string))
|
||||
*out++ = '"';
|
||||
out = underlying_.format(
|
||||
string_type{detail::range_begin(range), detail::range_end(range)}, ctx);
|
||||
if (detail::const_check(range_format_kind<R, Char>::value ==
|
||||
range_format::debug_string))
|
||||
*out++ = '"';
|
||||
return out;
|
||||
}
|
||||
};
|
||||
|
||||
template <typename It, typename Sentinel, typename Char = char>
|
||||
struct join_view : detail::view {
|
||||
It begin;
|
||||
Sentinel end;
|
||||
basic_string_view<Char> sep;
|
||||
|
||||
join_view(It b, Sentinel e, basic_string_view<Char> s)
|
||||
: begin(std::move(b)), end(e), sep(s) {}
|
||||
};
|
||||
|
||||
template <typename It, typename Sentinel, typename Char>
|
||||
struct formatter<join_view<It, Sentinel, Char>, Char> {
|
||||
private:
|
||||
using value_type =
|
||||
#ifdef __cpp_lib_ranges
|
||||
std::iter_value_t<It>;
|
||||
#else
|
||||
typename std::iterator_traits<It>::value_type;
|
||||
#endif
|
||||
formatter<remove_cvref_t<value_type>, Char> value_formatter_;
|
||||
|
||||
using view_ref = conditional_t<std::is_copy_constructible<It>::value,
|
||||
const join_view<It, Sentinel, Char>&,
|
||||
join_view<It, Sentinel, Char>&&>;
|
||||
|
||||
public:
|
||||
using nonlocking = void;
|
||||
|
||||
template <typename ParseContext>
|
||||
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> const Char* {
|
||||
return value_formatter_.parse(ctx);
|
||||
}
|
||||
|
||||
template <typename FormatContext>
|
||||
auto format(view_ref& value, FormatContext& ctx) const
|
||||
-> decltype(ctx.out()) {
|
||||
auto it = std::forward<view_ref>(value).begin;
|
||||
auto out = ctx.out();
|
||||
if (it == value.end) return out;
|
||||
out = value_formatter_.format(*it, ctx);
|
||||
++it;
|
||||
while (it != value.end) {
|
||||
out = detail::copy<Char>(value.sep.begin(), value.sep.end(), out);
|
||||
ctx.advance_to(out);
|
||||
out = value_formatter_.format(*it, ctx);
|
||||
++it;
|
||||
}
|
||||
return out;
|
||||
}
|
||||
};
|
||||
|
||||
/// Returns a view that formats the iterator range `[begin, end)` with elements
|
||||
/// separated by `sep`.
|
||||
template <typename It, typename Sentinel>
|
||||
auto join(It begin, Sentinel end, string_view sep) -> join_view<It, Sentinel> {
|
||||
return {std::move(begin), end, sep};
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a view that formats `range` with elements separated by `sep`.
|
||||
*
|
||||
* **Example**:
|
||||
*
|
||||
* auto v = std::vector<int>{1, 2, 3};
|
||||
* fmt::print("{}", fmt::join(v, ", "));
|
||||
* // Output: 1, 2, 3
|
||||
*
|
||||
* `fmt::join` applies passed format specifiers to the range elements:
|
||||
*
|
||||
* fmt::print("{:02}", fmt::join(v, ", "));
|
||||
* // Output: 01, 02, 03
|
||||
*/
|
||||
template <typename Range>
|
||||
auto join(Range&& r, string_view sep)
|
||||
-> join_view<decltype(detail::range_begin(r)),
|
||||
decltype(detail::range_end(r))> {
|
||||
return {detail::range_begin(r), detail::range_end(r), sep};
|
||||
}
|
||||
|
||||
template <typename Char, typename... T> struct tuple_join_view : detail::view {
|
||||
const std::tuple<T...>& tuple;
|
||||
basic_string_view<Char> sep;
|
||||
@ -623,7 +780,7 @@ struct formatter<tuple_join_view<Char, T...>, Char> {
|
||||
if (N > 1) {
|
||||
auto end1 = do_parse(ctx, std::integral_constant<size_t, N - 1>());
|
||||
if (end != end1)
|
||||
FMT_THROW(format_error("incompatible format specs for tuple elements"));
|
||||
report_error("incompatible format specs for tuple elements");
|
||||
}
|
||||
#endif
|
||||
return end;
|
||||
@ -642,12 +799,10 @@ struct formatter<tuple_join_view<Char, T...>, Char> {
|
||||
typename FormatContext::iterator {
|
||||
auto out = std::get<sizeof...(T) - N>(formatters_)
|
||||
.format(std::get<sizeof...(T) - N>(value.tuple), ctx);
|
||||
if (N > 1) {
|
||||
out = std::copy(value.sep.begin(), value.sep.end(), out);
|
||||
ctx.advance_to(out);
|
||||
return do_format(value, ctx, std::integral_constant<size_t, N - 1>());
|
||||
}
|
||||
return out;
|
||||
if (N <= 1) return out;
|
||||
out = detail::copy<Char>(value.sep, out);
|
||||
ctx.advance_to(out);
|
||||
return do_format(value, ctx, std::integral_constant<size_t, N - 1>());
|
||||
}
|
||||
};
|
||||
|
||||
@ -692,15 +847,13 @@ struct formatter<
|
||||
FMT_BEGIN_EXPORT
|
||||
|
||||
/**
|
||||
\rst
|
||||
Returns an object that formats `tuple` with elements separated by `sep`.
|
||||
|
||||
**Example**::
|
||||
|
||||
std::tuple<int, char> t = {1, 'a'};
|
||||
fmt::print("{}", fmt::join(t, ", "));
|
||||
// Output: "1, a"
|
||||
\endrst
|
||||
* Returns an object that formats `std::tuple` with elements separated by `sep`.
|
||||
*
|
||||
* **Example**:
|
||||
*
|
||||
* auto t = std::tuple<int, char>{1, 'a'};
|
||||
* fmt::print("{}", fmt::join(t, ", "));
|
||||
* // Output: 1, a
|
||||
*/
|
||||
template <typename... T>
|
||||
FMT_CONSTEXPR auto join(const std::tuple<T...>& tuple, string_view sep)
|
||||
@ -708,23 +861,14 @@ FMT_CONSTEXPR auto join(const std::tuple<T...>& tuple, string_view sep)
|
||||
return {tuple, sep};
|
||||
}
|
||||
|
||||
template <typename... T>
|
||||
FMT_CONSTEXPR auto join(const std::tuple<T...>& tuple,
|
||||
basic_string_view<wchar_t> sep)
|
||||
-> tuple_join_view<wchar_t, T...> {
|
||||
return {tuple, sep};
|
||||
}
|
||||
|
||||
/**
|
||||
\rst
|
||||
Returns an object that formats `initializer_list` with elements separated by
|
||||
`sep`.
|
||||
|
||||
**Example**::
|
||||
|
||||
fmt::print("{}", fmt::join({1, 2, 3}, ", "));
|
||||
// Output: "1, 2, 3"
|
||||
\endrst
|
||||
* Returns an object that formats `std::initializer_list` with elements
|
||||
* separated by `sep`.
|
||||
*
|
||||
* **Example**:
|
||||
*
|
||||
* fmt::print("{}", fmt::join({1, 2, 3}, ", "));
|
||||
* // Output: "1, 2, 3"
|
||||
*/
|
||||
template <typename T>
|
||||
auto join(std::initializer_list<T> list, string_view sep)
|
||||
|
||||
Reference in New Issue
Block a user