mirror of
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824 lines
31 KiB
Plaintext
824 lines
31 KiB
Plaintext
// Formatting library for C++ - the standard API implementation
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//
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// Copyright (c) 2012 - present, Victor Zverovich
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// All rights reserved.
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//
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// For the license information refer to format.h.
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#ifndef FMT_FORMAT_
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#define FMT_FORMAT_
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#include <variant>
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#include "fmt/format.h"
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// This implementation verifies the correctness of the standard API proposed in
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// P0645 Text Formatting and is optimized for copy-pasting from the paper, not
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// for efficiency or readability. An efficient implementation should not use
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// std::variant and should store packed argument type tags separately from
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// values in basic_format_args for small number of arguments.
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#define FMT_REQUIRES(...)
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#define FMT_CONCEPT(C) typename
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namespace std {
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template<class T>
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constexpr bool Integral = is_integral_v<T>;
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template <class O>
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using iter_difference_t = ptrdiff_t;
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}
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// http://fmtlib.net/Text%20Formatting.html#format.syn
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namespace std {
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// [format.error], class format_error
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class format_error;
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// [format.formatter], formatter
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template<class charT> class basic_format_parse_context;
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using format_parse_context = basic_format_parse_context<char>;
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using wformat_parse_context = basic_format_parse_context<wchar_t>;
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template<class O, class charT> FMT_REQUIRES(OutputIterator<O, const charT&>)
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class basic_format_context;
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using format_context = basic_format_context<
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/* unspecified */ std::back_insert_iterator<fmt::internal::basic_buffer<char>>,
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char>;
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using wformat_context = basic_format_context<
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/* unspecified */ std::back_insert_iterator<fmt::internal::basic_buffer<wchar_t>>,
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wchar_t>;
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template<class T, class charT = char> struct formatter {
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formatter() = delete;
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};
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// [format.arguments], arguments
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template<class Context> class basic_format_arg;
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template<class Visitor, class Context>
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/* see below */ auto visit_format_arg(Visitor&& vis, basic_format_arg<Context> arg);
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template<class Context, class... Args> struct format_arg_store; // exposition only
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template<class Context> class basic_format_args;
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using format_args = basic_format_args<format_context>;
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using wformat_args = basic_format_args<wformat_context>;
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template<class O, class charT>
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using format_args_t = basic_format_args<basic_format_context<O, charT>>;
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template<class Context = format_context, class... Args>
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format_arg_store<Context, Args...>
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make_format_args(const Args&... args);
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template<class... Args>
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format_arg_store<wformat_context, Args...>
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make_wformat_args(const Args&... args);
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// [format.functions], formatting functions
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template<class... Args>
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string format(string_view fmt, const Args&... args);
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template<class... Args>
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wstring format(wstring_view fmt, const Args&... args);
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string vformat(string_view fmt, format_args args);
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wstring vformat(wstring_view fmt, wformat_args args);
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template<FMT_CONCEPT(OutputIterator<const char&>) O, class... Args>
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O format_to(O out, string_view fmt, const Args&... args);
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template<FMT_CONCEPT(OutputIterator<const wchar_t&>) O, class... Args>
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O format_to(O out, wstring_view fmt, const Args&... args);
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template<FMT_CONCEPT(OutputIterator<const char&>) O>
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O vformat_to(O out, string_view fmt, format_args_t<O, char> args);
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template<FMT_CONCEPT(OutputIterator<const wchar_t&>) O>
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O vformat_to(O out, wstring_view fmt, format_args_t<O, wchar_t> args);
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template<class O>
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struct format_to_n_result {
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O out;
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iter_difference_t<O> size;
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};
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template<FMT_CONCEPT(OutputIterator<const char&>) O, class... Args>
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format_to_n_result<O> format_to_n(O out, iter_difference_t<O> n,
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string_view fmt, const Args&... args);
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template<FMT_CONCEPT(OutputIterator<const wchar_t&>) O, class... Args>
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format_to_n_result<O> format_to_n(O out, iter_difference_t<O> n,
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wstring_view fmt, const Args&... args);
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template<class... Args>
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size_t formatted_size(string_view fmt, const Args&... args);
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template<class... Args>
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size_t formatted_size(wstring_view fmt, const Args&... args);
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}
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// http://fmtlib.net/Text%20Formatting.html#format.error
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namespace std {
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class format_error : public runtime_error {
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public:
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explicit format_error(const string& what_arg) : runtime_error(what_arg) {}
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explicit format_error(const char* what_arg) : runtime_error(what_arg) {}
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};
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}
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// http://fmtlib.net/Text%20Formatting.html#format.parse_context
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namespace std {
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template<class charT>
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class basic_format_parse_context {
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public:
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using char_type = charT;
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using const_iterator = typename basic_string_view<charT>::const_iterator;
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using iterator = const_iterator;
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private:
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iterator begin_; // exposition only
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iterator end_; // exposition only
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enum indexing { unknown, manual, automatic }; // exposition only
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indexing indexing_; // exposition only
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size_t next_arg_id_; // exposition only
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public:
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explicit constexpr basic_format_parse_context(basic_string_view<charT> fmt) noexcept;
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basic_format_parse_context(const basic_format_parse_context&) = delete;
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basic_format_parse_context& operator=(const basic_format_parse_context&) = delete;
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constexpr const_iterator begin() const noexcept;
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constexpr const_iterator end() const noexcept;
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constexpr void advance_to(iterator it);
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constexpr size_t next_arg_id();
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constexpr void check_arg_id(size_t id);
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// Implementation detail:
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constexpr void check_arg_id(fmt::string_view) {}
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fmt::internal::error_handler error_handler() const { return {}; }
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void on_error(const char* msg) { error_handler().on_error(msg); }
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};
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}
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namespace std {
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template<class charT>
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/* explicit */ constexpr basic_format_parse_context<charT>::basic_format_parse_context(basic_string_view<charT> fmt) noexcept
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: begin_(fmt.begin()), end_(fmt.end()), indexing_(unknown), next_arg_id_(0) {}
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template<class charT>
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constexpr typename basic_format_parse_context<charT>::const_iterator basic_format_parse_context<charT>::begin() const noexcept { return begin_; }
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template<class charT>
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constexpr typename basic_format_parse_context<charT>::const_iterator basic_format_parse_context<charT>::end() const noexcept { return end_; }
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template<class charT>
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constexpr void basic_format_parse_context<charT>::advance_to(typename basic_format_parse_context<charT>::iterator it) { begin_ = it; }
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template<class charT>
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constexpr size_t basic_format_parse_context<charT>::next_arg_id() {
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if (indexing_ == manual)
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throw format_error("manual to automatic indexing");
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if (indexing_ == unknown)
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indexing_ = automatic;
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return next_arg_id_++;
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}
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template<class charT>
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constexpr void basic_format_parse_context<charT>::check_arg_id(size_t) {
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if (indexing_ == automatic)
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throw format_error("automatic to manual indexing");
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if (indexing_ == unknown)
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indexing_ = manual;
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}
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}
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// http://fmtlib.net/Text%20Formatting.html#format.context
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namespace std {
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template<class O, class charT> FMT_REQUIRES(OutputIterator<O, const charT&>)
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class basic_format_context {
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basic_format_parse_context<charT> parse_context_; // exposition only
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basic_format_args<basic_format_context> args_; // exposition only
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O out_; // exposition only
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public:
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using iterator = O;
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using char_type = charT;
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template<class T>
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using formatter_type = formatter<T>;
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basic_format_parse_context<charT>& parse_context() noexcept;
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basic_format_arg<basic_format_context> arg(size_t id) const;
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iterator out();
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void advance_to(iterator it);
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// Implementation details:
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using format_arg = basic_format_arg<basic_format_context>;
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basic_format_context(O out, fmt::string_view fmt, basic_format_args<basic_format_context> args, fmt::internal::locale_ref)
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: out_(out), parse_context_({fmt.data(), fmt.size()}), args_(args) {}
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basic_format_arg<basic_format_context> next_arg() {
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return arg(parse_context_.next_arg_id());
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}
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fmt::internal::error_handler error_handler() const { return {}; }
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basic_format_arg<basic_format_context> arg(fmt::basic_string_view<charT>) const {
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return {}; // unused: named arguments are not supported yet
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}
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void on_error(const char* msg) { error_handler().on_error(msg); }
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};
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}
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namespace std {
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template<class O, class charT>
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basic_format_parse_context<charT>& basic_format_context<O, charT>::parse_context() noexcept { return parse_context_; }
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template<class O, class charT>
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basic_format_arg<basic_format_context<O, charT>> basic_format_context<O, charT>::arg(size_t id) const { return args_.get(id); }
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template<class O, class charT>
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typename basic_format_context<O, charT>::iterator basic_format_context<O, charT>::out() { return out_; }
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template<class O, class charT>
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void basic_format_context<O, charT>::advance_to(typename basic_format_context<O, charT>::iterator it) { out_ = it; }
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}
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// http://fmtlib.net/Text%20Formatting.html#format.arg
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namespace std {
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template<class Context>
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class basic_format_arg {
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public:
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class handle;
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using char_type = typename Context::char_type; // exposition only
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variant<monostate, bool, char_type,
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int, unsigned int, long long int, unsigned long long int,
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double, long double,
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const char_type*, basic_string_view<char_type>,
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const void*, handle> value; // exposition only
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basic_format_arg() noexcept;
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template<FMT_CONCEPT(Integral) I, typename = std::enable_if_t<Integral<I>>> explicit basic_format_arg(I n) noexcept; // exposition only
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explicit basic_format_arg(float n) noexcept; // exposition only
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explicit basic_format_arg(double n) noexcept; // exposition only
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explicit basic_format_arg(long double n) noexcept; // exposition only
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explicit basic_format_arg(const char_type* s) noexcept; // exposition only
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explicit basic_format_arg(nullptr_t) noexcept; // exposition only
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template<class traits>
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explicit basic_format_arg(
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basic_string_view<char_type, traits> s) noexcept; // exposition only
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template<class traits, class Allocator>
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explicit basic_format_arg(
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const basic_string<char_type, traits, Allocator>& s) noexcept; // exposition only
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template<class T, typename = std::enable_if_t<std::is_same_v<T, void>>>
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explicit basic_format_arg(const T* p) noexcept; // exposition only
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template<class T, typename = std::enable_if_t<
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!Integral<T> && is_default_constructible_v<formatter<T, char_type>>>>
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explicit basic_format_arg(const T& v) noexcept; // exposition only
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explicit operator bool() const noexcept;
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};
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}
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namespace std {
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template<class Context>
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basic_format_arg<Context>::basic_format_arg() noexcept {}
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template <typename T>
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constexpr bool is_standard_integer_v =
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std::is_same_v<T, signed char> ||
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std::is_same_v<T, short int> ||
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std::is_same_v<T, int> ||
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std::is_same_v<T, long int> ||
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std::is_same_v<T, long long int>;
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template <typename T>
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constexpr bool is_standard_unsigned_integer_v =
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std::is_same_v<T, unsigned char> ||
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std::is_same_v<T, unsigned short int> ||
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std::is_same_v<T, unsigned int> ||
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std::is_same_v<T, unsigned long int> ||
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std::is_same_v<T, unsigned long long int>;
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template<class Context>
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template<FMT_CONCEPT(Integral) I, typename>
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/* explicit */ basic_format_arg<Context>::basic_format_arg(I n) noexcept {
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if (std::is_same_v<I, bool> || std::is_same_v<I, char_type>)
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value = n;
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else if (std::is_same_v<I, char> || std::is_same_v<char_type, wchar_t>)
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value = static_cast<wchar_t>(n);
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else if (std::is_standard_integer_v<I> && sizeof(I) <= sizeof(int))
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value = static_cast<int>(n);
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else if (std::is_standard_integer_v<I> && sizeof(I) <= sizeof(unsigned))
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value = static_cast<unsigned>(n);
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else if (std::is_standard_integer_v<I>)
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value = static_cast<long long int>(n);
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else if (std::is_standard_integer_v<I>)
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value = static_cast<unsigned long long int>(n);
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else assert(false); // should be a compile-time error instead
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}
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template<class Context>
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/* explicit */ basic_format_arg<Context>::basic_format_arg(float n) noexcept
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: value(static_cast<double>(n)) {}
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template<class Context>
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/* explicit */ basic_format_arg<Context>::basic_format_arg(double n) noexcept
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: value(n) {}
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template<class Context>
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/* explicit */ basic_format_arg<Context>::basic_format_arg(long double n) noexcept
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: value(n) {}
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template<class Context>
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/* explicit */ basic_format_arg<Context>::basic_format_arg(const typename basic_format_arg<Context>::char_type* s) noexcept
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: value(s) {
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assert(s != nullptr);
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}
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template<class Context>
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template<class traits>
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/* explicit */ basic_format_arg<Context>::basic_format_arg(basic_string_view<char_type, traits> s) noexcept
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: value(s) {}
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template<class Context>
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template<class traits, class Allocator>
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/* explicit */ basic_format_arg<Context>::basic_format_arg(
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const basic_string<char_type, traits, Allocator>& s) noexcept
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: value(basic_string_view<char_type>(s.data(), s.size())) {}
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template<class Context>
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/* explicit */ basic_format_arg<Context>::basic_format_arg(nullptr_t) noexcept
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: value(static_cast<const void*>(nullptr)) {}
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template<class Context>
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template<class T, typename> /* explicit */ basic_format_arg<Context>::basic_format_arg(const T* p) noexcept
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: value(p) {}
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template<class Context>
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template<class T, typename>
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/* explicit */ basic_format_arg<Context>::basic_format_arg(const T& v) noexcept
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: value(handle(v)) {}
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}
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namespace std {
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template<class Context>
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class basic_format_arg<Context>::handle {
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const void* ptr_; // exposition only
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void (*format_)(Context&, const void*); // exposition only
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public:
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template<class T> explicit handle(const T& val) noexcept; // exposition only
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void format(Context& ctx) const;
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};
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}
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namespace std {
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template<class Context>
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template<class T> /* explicit */ basic_format_arg<Context>::handle::handle(const T& val) noexcept
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: ptr_(&val), format_([](Context& ctx, const void* ptr) {
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typename Context::template formatter_type<T> f;
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ctx.parse_context().advance_to(f.parse(ctx.parse_context()));
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ctx.advance_to(f.format(*static_cast<const T*>(ptr), ctx));
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}) {}
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template<class Context>
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void basic_format_arg<Context>::handle::format(Context& ctx) const {
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format_(ctx, ptr_);
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}
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// http://fmtlib.net/Text%20Formatting.html#format.visit
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template<class Visitor, class Context>
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auto visit_format_arg(Visitor&& vis, basic_format_arg<Context> arg) {
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return visit(vis, arg.value);
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}
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}
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// http://fmtlib.net/Text%20Formatting.html#format.store
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namespace std {
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template<class Context, class... Args>
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struct format_arg_store { // exposition only
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array<basic_format_arg<Context>, sizeof...(Args)> args;
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};
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}
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// http://fmtlib.net/Text%20Formatting.html#format.basic_args
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namespace std {
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template<class Context>
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class basic_format_args {
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size_t size_; // exposition only
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const basic_format_arg<Context>* data_; // exposition only
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public:
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basic_format_args() noexcept;
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template<class... Args>
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basic_format_args(const format_arg_store<Context, Args...>& store) noexcept;
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basic_format_arg<Context> get(size_t i) const noexcept;
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};
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}
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namespace std {
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template<class Context>
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basic_format_args<Context>::basic_format_args() noexcept : size_(0) {}
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template<class Context>
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template<class... Args>
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basic_format_args<Context>::basic_format_args(const format_arg_store<Context, Args...>& store) noexcept
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: size_(sizeof...(Args)), data_(store.args.data()) {}
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template<class Context>
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basic_format_arg<Context> basic_format_args<Context>::get(size_t i) const noexcept {
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return i < size_ ? data_[i] : basic_format_arg<Context>();
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}
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}
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namespace std {
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// http://fmtlib.net/Text%20Formatting.html#format.make_args
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template<class Context /*= format_context*/, class... Args>
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format_arg_store<Context, Args...> make_format_args(const Args&... args) {
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return {basic_format_arg<Context>(args)...};
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}
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// http://fmtlib.net/Text%20Formatting.html#format.make_wargs
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template<class... Args>
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format_arg_store<wformat_context, Args...> make_wformat_args(const Args&... args) {
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return {basic_format_arg<wformat_context>(args)...};
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}
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}
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namespace std {
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namespace detail {
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template <typename Range>
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class arg_formatter
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: public fmt::internal::function<
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typename fmt::internal::arg_formatter_base<Range>::iterator>,
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public fmt::internal::arg_formatter_base<Range> {
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private:
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typedef typename Range::value_type char_type;
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typedef fmt::internal::arg_formatter_base<Range> base;
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typedef std::basic_format_context<typename base::iterator, char_type> context_type;
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context_type& ctx_;
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public:
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typedef Range range;
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typedef typename base::iterator iterator;
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typedef typename base::format_specs format_specs;
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/**
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\rst
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Constructs an argument formatter object.
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*ctx* is a reference to the formatting context,
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*spec* contains format specifier information for standard argument types.
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\endrst
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*/
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explicit arg_formatter(context_type& ctx, fmt::format_specs* spec = FMT_NULL)
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: base(Range(ctx.out()), spec, {}), ctx_(ctx) {}
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using base::operator();
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/** Formats an argument of a user-defined type. */
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iterator operator()(typename std::basic_format_arg<context_type>::handle handle) {
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handle.format(ctx_);
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return this->out();
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}
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iterator operator()(monostate) {
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throw format_error("");
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}
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};
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template <typename Context>
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inline fmt::internal::type get_type(basic_format_arg<Context> arg) {
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return visit_format_arg([&] (auto val) {
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using char_type = typename Context::char_type;
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using T = decltype(val);
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if (std::is_same_v<T, monostate>)
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return fmt::internal::none_type;
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if (std::is_same_v<T, bool>)
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return fmt::internal::bool_type;
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if (std::is_same_v<T, char_type>)
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return fmt::internal::char_type;
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if (std::is_same_v<T, int>)
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return fmt::internal::int_type;
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if (std::is_same_v<T, unsigned int>)
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return fmt::internal::uint_type;
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if (std::is_same_v<T, long long int>)
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return fmt::internal::long_long_type;
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if (std::is_same_v<T, unsigned long long int>)
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return fmt::internal::ulong_long_type;
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if (std::is_same_v<T, double>)
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return fmt::internal::double_type;
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if (std::is_same_v<T, long double>)
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return fmt::internal::long_double_type;
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if (std::is_same_v<T, const char_type*>)
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return fmt::internal::cstring_type;
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if (std::is_same_v<T, basic_string_view<char_type>>)
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return fmt::internal::string_type;
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if (std::is_same_v<T, const void*>)
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return fmt::internal::pointer_type;
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assert(arg.value.index() == 12);
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return fmt::internal::custom_type;
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}, arg);
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}
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template <typename Char, typename Context>
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class custom_formatter {
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private:
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Context& ctx_;
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public:
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explicit custom_formatter(Context& ctx) : ctx_(ctx) {}
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bool operator()(typename basic_format_arg<Context>::handle h) const {
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h.format(ctx_);
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return true;
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}
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template <typename T> bool operator()(T) const { return false; }
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};
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template <typename ArgFormatter, typename Char, typename Context>
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struct format_handler : fmt::internal::error_handler {
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typedef typename ArgFormatter::range range;
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format_handler(range r, basic_string_view<Char> str,
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basic_format_args<Context> format_args,
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fmt::internal::locale_ref loc)
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: context(r.begin(), str, format_args, loc) {}
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void on_text(const Char* begin, const Char* end) {
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auto size = fmt::internal::to_unsigned(end - begin);
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auto out = context.out();
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auto&& it = fmt::internal::reserve(out, size);
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it = std::copy_n(begin, size, it);
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context.advance_to(out);
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}
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void on_arg_id() { arg = context.next_arg(); }
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void on_arg_id(unsigned id) {
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context.parse_context().check_arg_id(id);
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arg = context.arg(id);
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}
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void on_arg_id(fmt::basic_string_view<Char> id) {}
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void on_replacement_field(const Char* p) {
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context.parse_context().advance_to(p);
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custom_formatter<Char, Context> f(context);
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if (!visit_format_arg(f, arg))
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context.advance_to(visit_format_arg(ArgFormatter(context), arg));
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}
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const Char* on_format_specs(const Char* begin, const Char* end) {
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auto& parse_ctx = context.parse_context();
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parse_ctx.advance_to(begin);
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custom_formatter<Char, Context> f(context);
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if (visit_format_arg(f, arg)) return parse_ctx.begin();
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fmt::basic_format_specs<Char> specs;
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using fmt::internal::specs_handler;
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fmt::internal::specs_checker<specs_handler<Context>> handler(
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specs_handler<Context>(specs, context), get_type(arg));
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begin = parse_format_specs(begin, end, handler);
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if (begin == end || *begin != '}') on_error("missing '}' in format string");
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parse_ctx.advance_to(begin);
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context.advance_to(visit_format_arg(ArgFormatter(context, &specs), arg));
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return begin;
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}
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Context context;
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basic_format_arg<Context> arg;
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};
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template <typename T, typename Char>
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struct formatter {
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// Parses format specifiers stopping either at the end of the range or at the
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// terminating '}'.
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template <typename ParseContext>
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FMT_CONSTEXPR typename ParseContext::iterator parse(ParseContext& ctx) {
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namespace internal = fmt::internal;
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typedef internal::dynamic_specs_handler<ParseContext> handler_type;
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auto type =
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internal::get_type<typename fmt::buffer_context<Char>::type, T>::value;
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internal::specs_checker<handler_type> handler(handler_type(specs_, ctx),
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type);
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auto it = parse_format_specs(ctx.begin(), ctx.end(), handler);
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auto type_spec = specs_.type;
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auto eh = ctx.error_handler();
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switch (type) {
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case internal::none_type:
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case internal::named_arg_type:
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FMT_ASSERT(false, "invalid argument type");
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break;
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case internal::int_type:
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case internal::uint_type:
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case internal::long_long_type:
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case internal::ulong_long_type:
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case internal::bool_type:
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handle_int_type_spec(type_spec,
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internal::int_type_checker<decltype(eh)>(eh));
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break;
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case internal::char_type:
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handle_char_specs(
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&specs_, internal::char_specs_checker<decltype(eh)>(type_spec, eh));
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break;
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case internal::double_type:
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case internal::long_double_type:
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handle_float_type_spec(type_spec,
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internal::float_type_checker<decltype(eh)>(eh));
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break;
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case internal::cstring_type:
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internal::handle_cstring_type_spec(
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type_spec, internal::cstring_type_checker<decltype(eh)>(eh));
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break;
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case internal::string_type:
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internal::check_string_type_spec(type_spec, eh);
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break;
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case internal::pointer_type:
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internal::check_pointer_type_spec(type_spec, eh);
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break;
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case internal::custom_type:
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// Custom format specifiers should be checked in parse functions of
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// formatter specializations.
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break;
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}
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return it;
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}
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template <typename FormatContext>
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auto format(const T& val, FormatContext& ctx) -> decltype(ctx.out()) {
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fmt::internal::handle_dynamic_spec<fmt::internal::width_checker>(
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specs_.width_, specs_.width_ref, ctx);
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fmt::internal::handle_dynamic_spec<fmt::internal::precision_checker>(
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specs_.precision, specs_.precision_ref, ctx);
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typedef fmt::output_range<typename FormatContext::iterator,
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typename FormatContext::char_type>
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range_type;
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return visit_format_arg(arg_formatter<range_type>(ctx, &specs_),
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basic_format_arg<FormatContext>(val));
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}
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private:
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fmt::internal::dynamic_format_specs<Char> specs_;
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};
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} // namespace detail
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// http://fmtlib.net/Text%20Formatting.html#format.functions
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template<class... Args>
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string format(string_view fmt, const Args&... args) {
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return vformat(fmt, make_format_args(args...));
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}
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template<class... Args>
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wstring format(wstring_view fmt, const Args&... args) {
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return vformat(fmt, make_wformat_args(args...));
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}
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string vformat(string_view fmt, format_args args) {
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fmt::memory_buffer mbuf;
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fmt::internal::buffer& buf = mbuf;
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typedef fmt::back_insert_range<fmt::internal::buffer> range;
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detail::format_handler<detail::arg_formatter<range>, char, format_context>
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h(range(std::back_inserter(buf)), fmt, args, {});
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fmt::internal::parse_format_string<false>(fmt::to_string_view(fmt), h);
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return to_string(mbuf);
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}
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wstring vformat(wstring_view fmt, wformat_args args);
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template<FMT_CONCEPT(OutputIterator<const char&>) O, class... Args>
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O format_to(O out, string_view fmt, const Args&... args) {
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return vformat_to(out, fmt, {make_format_args<basic_format_context<O, char>>(args...)});
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}
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template<FMT_CONCEPT(OutputIterator<const wchar_t&>) O, class... Args>
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O format_to(O out, wstring_view fmt, const Args&... args) {
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return vformat_to(out, fmt, {make_format_args<basic_format_context<O, wchar_t>>(args...)});
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}
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template<FMT_CONCEPT(OutputIterator<const char&>) O>
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O vformat_to(O out, string_view fmt, format_args_t<O, char> args) {
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typedef fmt::output_range<O, char> range;
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detail::format_handler<detail::arg_formatter<range>, char, format_context>
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h(range(out), fmt, args, {});
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fmt::internal::parse_format_string<false>(fmt::to_string_view(fmt), h);
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return h.context.out();
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}
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template<FMT_CONCEPT(OutputIterator<const wchar_t&>) O>
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O vformat_to(O out, wstring_view fmt, format_args_t<O, wchar_t> args);
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template<FMT_CONCEPT(OutputIterator<const char&>) O, class... Args>
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format_to_n_result<O> format_to_n(O out, iter_difference_t<O> n,
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string_view fmt, const Args&... args);
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template<FMT_CONCEPT(OutputIterator<const wchar_t&>) O, class... Args>
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format_to_n_result<O> format_to_n(O out, iter_difference_t<O> n,
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wstring_view fmt, const Args&... args);
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template<class... Args>
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size_t formatted_size(string_view fmt, const Args&... args);
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template<class... Args>
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size_t formatted_size(wstring_view fmt, const Args&... args);
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#define charT char
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template<> struct formatter<charT, charT> : detail::formatter<charT, charT> {};
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template<> struct formatter<char, wchar_t>;
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template<> struct formatter<charT*, charT> : detail::formatter<const charT*, charT> {};
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template<> struct formatter<const charT*, charT> : detail::formatter<const charT*, charT> {};
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template<size_t N> struct formatter<const charT[N], charT>
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: detail::formatter<std::basic_string_view<charT>, charT> {};
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template<class traits, class Allocator>
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struct formatter<std::basic_string<charT, traits, Allocator>, charT>
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: detail::formatter<std::basic_string_view<charT>, charT> {};
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template<class traits>
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struct formatter<std::basic_string_view<charT, traits>, charT>
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: detail::formatter<std::basic_string_view<charT>, charT> {};
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template <> struct formatter<nullptr_t, charT> : detail::formatter<const void*, charT> {};
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template <> struct formatter<void*, charT> : detail::formatter<const void*, charT> {};
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template <> struct formatter<const void*, charT> : detail::formatter<const void*, charT> {};
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template <> struct formatter<bool, charT> : detail::formatter<bool, charT> {};
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template <> struct formatter<signed char, charT> : detail::formatter<int, charT> {};
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template <> struct formatter<short, charT> : detail::formatter<int, charT> {};
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template <> struct formatter<int, charT> : detail::formatter<int, charT> {};
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template <> struct formatter<long, charT>
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: detail::formatter<std::conditional_t<sizeof(long) == sizeof(int), int, long long>, charT> {};
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template <> struct formatter<long long, charT> : detail::formatter<long long, charT> {};
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template <> struct formatter<unsigned char, charT> : detail::formatter<unsigned int, charT> {};
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template <> struct formatter<unsigned short, charT> : detail::formatter<unsigned int, charT> {};
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template <> struct formatter<unsigned int, charT> : detail::formatter<unsigned int, charT> {};
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template <> struct formatter<unsigned long, charT>
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: detail::formatter<std::conditional_t<sizeof(long) == sizeof(int), unsigned, unsigned long long>, charT> {};
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template <> struct formatter<unsigned long long, charT> : detail::formatter<unsigned long long, charT> {};
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template <> struct formatter<float, charT> : detail::formatter<double, charT> {};
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template <> struct formatter<double, charT> : detail::formatter<double, charT> {};
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template <> struct formatter<long double, charT> : detail::formatter<long double, charT> {};
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#undef charT
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#define charT wchar_t
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template<> struct formatter<charT, charT> : detail::formatter<charT, charT> {};
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template<> struct formatter<char, wchar_t> : detail::formatter<charT, charT> {};
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template<> struct formatter<charT*, charT> : detail::formatter<const charT*, charT> {};
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template<> struct formatter<const charT*, charT> : detail::formatter<const charT*, charT> {};
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template<size_t N> struct formatter<const charT[N], charT>
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: detail::formatter<std::basic_string_view<charT>, charT> {};
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template<class traits, class Allocator>
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struct formatter<std::basic_string<charT, traits, Allocator>, charT>
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: detail::formatter<std::basic_string_view<charT>, charT> {};
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|
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template<class traits>
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struct formatter<std::basic_string_view<charT, traits>, charT>
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: detail::formatter<std::basic_string_view<charT>, charT> {};
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template <> struct formatter<nullptr_t, charT> : detail::formatter<const void*, charT> {};
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template <> struct formatter<void*, charT> : detail::formatter<const void*, charT> {};
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template <> struct formatter<const void*, charT> : detail::formatter<const void*, charT> {};
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template <> struct formatter<bool, charT> : detail::formatter<bool, charT> {};
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template <> struct formatter<signed char, charT> : detail::formatter<int, charT> {};
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template <> struct formatter<short, charT> : detail::formatter<int, charT> {};
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template <> struct formatter<int, charT> : detail::formatter<int, charT> {};
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template <> struct formatter<long, charT>
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: detail::formatter<std::conditional_t<sizeof(long) == sizeof(int), int, long long>, charT> {};
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template <> struct formatter<long long, charT> : detail::formatter<long long, charT> {};
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template <> struct formatter<unsigned char, charT> : detail::formatter<unsigned int, charT> {};
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template <> struct formatter<unsigned short, charT> : detail::formatter<unsigned int, charT> {};
|
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template <> struct formatter<unsigned int, charT> : detail::formatter<unsigned int, charT> {};
|
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template <> struct formatter<unsigned long, charT>
|
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: detail::formatter<std::conditional_t<sizeof(long) == sizeof(int), unsigned, unsigned long long>, charT> {};
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template <> struct formatter<unsigned long long, charT> : detail::formatter<unsigned long long, charT> {};
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|
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template <> struct formatter<float, charT> : detail::formatter<double, charT> {};
|
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template <> struct formatter<double, charT> : detail::formatter<double, charT> {};
|
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template <> struct formatter<long double, charT> : detail::formatter<long double, charT> {};
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|
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#undef charT
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|
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template<> struct formatter<const wchar_t, char> {
|
|
formatter() = delete;
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};
|
|
}
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#endif // FMT_FORMAT_
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