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deps: Update {fmt} to 7.1.3 and include ranges.h cause its nice #479

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May 13, 2021
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deps: Update {fmt} to 7.1.3 and include ranges.h cause its nice #479

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67 changes: 52 additions & 15 deletions third-party/fmt/color.h
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Original file line number Diff line number Diff line change
Expand Up @@ -327,9 +327,9 @@ class text_style {
}

friend FMT_CONSTEXPR_DECL text_style fg(detail::color_type foreground)
FMT_NOEXCEPT;
FMT_NOEXCEPT;
friend FMT_CONSTEXPR_DECL text_style bg(detail::color_type background)
FMT_NOEXCEPT;
FMT_NOEXCEPT;

detail::color_type foreground_color;
detail::color_type background_color;
Expand Down Expand Up @@ -463,16 +463,16 @@ template <> inline void reset_color<wchar_t>(FILE* stream) FMT_NOEXCEPT {
}

template <typename Char>
inline void reset_color(basic_memory_buffer<Char>& buffer) FMT_NOEXCEPT {
inline void reset_color(buffer<Char>& buffer) FMT_NOEXCEPT {
const char* begin = data::reset_color;
const char* end = begin + sizeof(data::reset_color) - 1;
buffer.append(begin, end);
}

template <typename Char>
void vformat_to(basic_memory_buffer<Char>& buf, const text_style& ts,
void vformat_to(buffer<Char>& buf, const text_style& ts,
basic_string_view<Char> format_str,
basic_format_args<buffer_context<Char>> args) {
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
bool has_style = false;
if (ts.has_emphasis()) {
has_style = true;
Expand All @@ -496,28 +496,30 @@ void vformat_to(basic_memory_buffer<Char>& buf, const text_style& ts,

template <typename S, typename Char = char_t<S>>
void vprint(std::FILE* f, const text_style& ts, const S& format,
basic_format_args<buffer_context<Char>> args) {
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
basic_memory_buffer<Char> buf;
detail::vformat_to(buf, ts, to_string_view(format), args);
buf.push_back(Char(0));
detail::fputs(buf.data(), f);
}

/**
\rst
Formats a string and prints it to the specified file stream using ANSI
escape sequences to specify text formatting.
Example:

**Example**::

fmt::print(fmt::emphasis::bold | fg(fmt::color::red),
"Elapsed time: {0:.2f} seconds", 1.23);
\endrst
*/
template <typename S, typename... Args,
FMT_ENABLE_IF(detail::is_string<S>::value)>
FMT_ENABLE_IF(detail::is_string<S>::value)>
void print(std::FILE* f, const text_style& ts, const S& format_str,
const Args&... args) {
detail::check_format_string<Args...>(format_str);
using context = buffer_context<char_t<S>>;
format_arg_store<context, Args...> as{args...};
vprint(f, ts, format_str, basic_format_args<context>(as));
vprint(f, ts, format_str,
fmt::make_args_checked<Args...>(format_str, args...));
}

/**
Expand All @@ -528,7 +530,7 @@ void print(std::FILE* f, const text_style& ts, const S& format_str,
"Elapsed time: {0:.2f} seconds", 1.23);
*/
template <typename S, typename... Args,
FMT_ENABLE_IF(detail::is_string<S>::value)>
FMT_ENABLE_IF(detail::is_string<S>::value)>
void print(const text_style& ts, const S& format_str, const Args&... args) {
return print(stdout, ts, format_str, args...);
}
Expand Down Expand Up @@ -558,9 +560,44 @@ template <typename S, typename... Args, typename Char = char_t<S>>
inline std::basic_string<Char> format(const text_style& ts, const S& format_str,
const Args&... args) {
return vformat(ts, to_string_view(format_str),
detail::make_args_checked<Args...>(format_str, args...));
fmt::make_args_checked<Args...>(format_str, args...));
}

/**
Formats a string with the given text_style and writes the output to ``out``.
*/
template <typename OutputIt, typename Char,
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value)>
OutputIt vformat_to(
OutputIt out, const text_style& ts, basic_string_view<Char> format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
decltype(detail::get_buffer<Char>(out)) buf(detail::get_buffer_init(out));
detail::vformat_to(buf, ts, format_str, args);
return detail::get_iterator(buf);
}

/**
\rst
Formats arguments with the given text_style, writes the result to the output
iterator ``out`` and returns the iterator past the end of the output range.

**Example**::

std::vector<char> out;
fmt::format_to(std::back_inserter(out),
fmt::emphasis::bold | fg(fmt::color::red), "{}", 42);
\endrst
*/
template <typename OutputIt, typename S, typename... Args,
bool enable = detail::is_output_iterator<OutputIt, char_t<S>>::value&&
detail::is_string<S>::value>
inline auto format_to(OutputIt out, const text_style& ts, const S& format_str,
Args&&... args) ->
typename std::enable_if<enable, OutputIt>::type {
return vformat_to(out, ts, to_string_view(format_str),
fmt::make_args_checked<Args...>(format_str, args...));
}

FMT_END_NAMESPACE

#endif // FMT_COLOR_H_
#endif // FMT_COLOR_H_
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