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79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
// Formatting library for C++ - std::locale support
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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_LOCALE_H_
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#define FMT_LOCALE_H_
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#include <locale>
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#include "format.h"
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FMT_BEGIN_NAMESPACE
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namespace detail {
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template <typename Char>
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typename buffer_context<Char>::iterator vformat_to(
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const std::locale& loc, buffer<Char>& buf,
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basic_string_view<Char> format_str,
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basic_format_args<buffer_context<type_identity_t<Char>>> args) {
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using af = arg_formatter<typename buffer_context<Char>::iterator, Char>;
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return vformat_to<af>(std::back_inserter(buf), to_string_view(format_str),
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args, detail::locale_ref(loc));
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}
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template <typename Char>
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std::basic_string<Char> vformat(
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const std::locale& loc, basic_string_view<Char> format_str,
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basic_format_args<buffer_context<type_identity_t<Char>>> args) {
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basic_memory_buffer<Char> buffer;
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detail::vformat_to(loc, buffer, format_str, args);
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return fmt::to_string(buffer);
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}
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} // namespace detail
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template <typename S, typename Char = char_t<S>>
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inline std::basic_string<Char> vformat(
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const std::locale& loc, const S& format_str,
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basic_format_args<buffer_context<type_identity_t<Char>>> args) {
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return detail::vformat(loc, to_string_view(format_str), args);
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}
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template <typename S, typename... Args, typename Char = char_t<S>>
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inline std::basic_string<Char> format(const std::locale& loc,
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const S& format_str, Args&&... args) {
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return detail::vformat(
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loc, to_string_view(format_str),
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detail::make_args_checked<Args...>(format_str, args...));
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}
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template <typename S, typename OutputIt, typename... Args,
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typename Char = enable_if_t<
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detail::is_output_iterator<OutputIt>::value, char_t<S>>>
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inline OutputIt vformat_to(
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OutputIt out, const std::locale& loc, const S& format_str,
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format_args_t<type_identity_t<OutputIt>, Char> args) {
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using af = detail::arg_formatter<OutputIt, Char>;
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return vformat_to<af>(out, to_string_view(format_str), args,
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detail::locale_ref(loc));
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}
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template <typename OutputIt, typename S, typename... Args,
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FMT_ENABLE_IF(detail::is_output_iterator<OutputIt>::value&&
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detail::is_string<S>::value)>
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inline OutputIt format_to(OutputIt out, const std::locale& loc,
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const S& format_str, Args&&... args) {
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detail::check_format_string<Args...>(format_str);
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using context = format_context_t<OutputIt, char_t<S>>;
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format_arg_store<context, Args...> as{args...};
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return vformat_to(out, loc, to_string_view(format_str),
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basic_format_args<context>(as));
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}
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FMT_END_NAMESPACE
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#endif // FMT_LOCALE_H_
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