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codon/compiler/util/fmt/locale.h
2021-09-27 14:02:44 -04:00

77 lines
2.8 KiB
C++

// Formatting library for C++ - std::locale support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_LOCALE_H_
#define FMT_LOCALE_H_
#include <locale>
#include "format.h"
FMT_BEGIN_NAMESPACE
namespace internal {
template <typename Char>
typename buffer_context<Char>::iterator
vformat_to(const std::locale &loc, buffer<Char> &buf,
basic_string_view<Char> format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
using range = buffer_range<Char>;
return vformat_to<arg_formatter<range>>(buf, to_string_view(format_str), args,
internal::locale_ref(loc));
}
template <typename Char>
std::basic_string<Char>
vformat(const std::locale &loc, basic_string_view<Char> format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
basic_memory_buffer<Char> buffer;
internal::vformat_to(loc, buffer, format_str, args);
return fmt::to_string(buffer);
}
} // namespace internal
template <typename S, typename Char = char_t<S>>
inline std::basic_string<Char>
vformat(const std::locale &loc, const S &format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
return internal::vformat(loc, to_string_view(format_str), args);
}
template <typename S, typename... Args, typename Char = char_t<S>>
inline std::basic_string<Char> format(const std::locale &loc, const S &format_str,
Args &&...args) {
return internal::vformat(loc, to_string_view(format_str),
internal::make_args_checked<Args...>(format_str, args...));
}
template <typename S, typename OutputIt, typename... Args,
typename Char =
enable_if_t<internal::is_output_iterator<OutputIt>::value, char_t<S>>>
inline OutputIt vformat_to(OutputIt out, const std::locale &loc, const S &format_str,
format_args_t<type_identity_t<OutputIt>, Char> args) {
using range = internal::output_range<OutputIt, Char>;
return vformat_to<arg_formatter<range>>(range(out), to_string_view(format_str), args,
internal::locale_ref(loc));
}
template <typename OutputIt, typename S, typename... Args,
FMT_ENABLE_IF(internal::is_output_iterator<OutputIt>::value
&&internal::is_string<S>::value)>
inline OutputIt format_to(OutputIt out, const std::locale &loc, const S &format_str,
Args &&...args) {
internal::check_format_string<Args...>(format_str);
using context = format_context_t<OutputIt, char_t<S>>;
format_arg_store<context, Args...> as{args...};
return vformat_to(out, loc, to_string_view(format_str),
basic_format_args<context>(as));
}
FMT_END_NAMESPACE
#endif // FMT_LOCALE_H_