2020-04-20 22:59:20 -07:00

67 lines
2.5 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<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<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<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<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_