fmt/include/fmt/locale.h
2019-03-16 15:15:38 -07:00

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>::type::iterator vformat_to(
const std::locale& loc, basic_buffer<Char>& buf,
basic_string_view<Char> format_str,
basic_format_args<typename buffer_context<Char>::type> args) {
typedef back_insert_range<basic_buffer<Char>> range;
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<typename buffer_context<Char>::type> 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 = FMT_CHAR(S)>
inline std::basic_string<Char> vformat(
const std::locale& loc, const S& format_str,
basic_format_args<typename buffer_context<Char>::type> args) {
return internal::vformat(loc, to_string_view(format_str), args);
}
template <typename S, typename... Args>
inline std::basic_string<FMT_CHAR(S)> format(const std::locale& loc,
const S& format_str,
const Args&... args) {
return internal::vformat(loc, to_string_view(format_str),
{internal::make_args_checked(format_str, args...)});
}
template <typename String, typename OutputIt, typename... Args,
FMT_ENABLE_IF(internal::is_output_iterator<OutputIt>::value)>
inline OutputIt vformat_to(
OutputIt out, const std::locale& loc, const String& format_str,
typename format_args_t<OutputIt, FMT_CHAR(String)>::type args) {
typedef output_range<OutputIt, FMT_CHAR(String)> range;
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_string<S>::value&&
internal::is_output_iterator<OutputIt>::value)>
inline OutputIt format_to(OutputIt out, const std::locale& loc,
const S& format_str, const Args&... args) {
internal::check_format_string<Args...>(format_str);
typedef typename format_context_t<OutputIt, FMT_CHAR(S)>::type context;
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_