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65 lines
2.3 KiB
65 lines
2.3 KiB
4 months ago
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// 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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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(buffer, format_str, args, detail::locale_ref(loc));
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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(loc, to_string_view(format_str),
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fmt::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 = char_t<S>,
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FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value)>
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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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basic_format_args<buffer_context<type_identity_t<Char>>> args) {
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decltype(detail::get_buffer<Char>(out)) buf(detail::get_buffer_init(out));
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vformat_to(buf, to_string_view(format_str), args, detail::locale_ref(loc));
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return detail::get_iterator(buf);
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}
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template <typename OutputIt, typename S, typename... Args,
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bool enable = detail::is_output_iterator<OutputIt, char_t<S>>::value>
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inline auto format_to(OutputIt out, const std::locale& loc,
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const S& format_str, Args&&... args) ->
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typename std::enable_if<enable, OutputIt>::type {
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const auto& vargs = fmt::make_args_checked<Args...>(format_str, args...);
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return vformat_to(out, loc, to_string_view(format_str), vargs);
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}
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FMT_END_NAMESPACE
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#endif // FMT_LOCALE_H_
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