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//
// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
// Copyright (c) 2024 Alexander Grund
//
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/locale/boundary.hpp>
#include <boost/locale/collator.hpp>
#include <boost/locale/conversion.hpp>
#include <boost/locale/date_time_facet.hpp>
#include <boost/locale/info.hpp>
#include <boost/locale/message.hpp>
#include "../util/foreach_char.hpp"
#include <boost/core/ignore_unused.hpp>
namespace boost { namespace locale {
namespace detail {
template<class Derived>
std::locale::id facet_id<Derived>::id;
} // namespace detail
#define BOOST_LOCALE_DEFINE_ID(CLASS) template struct detail::facet_id<CLASS>
BOOST_LOCALE_DEFINE_ID(info);
BOOST_LOCALE_DEFINE_ID(calendar_facet);
#define BOOST_LOCALE_INSTANTIATE(CHARTYPE) \
BOOST_LOCALE_DEFINE_ID(collator<CHARTYPE>); \
BOOST_LOCALE_DEFINE_ID(converter<CHARTYPE>); \
BOOST_LOCALE_DEFINE_ID(message_format<CHARTYPE>); \
BOOST_LOCALE_DEFINE_ID(boundary::boundary_indexing<CHARTYPE>);
BOOST_LOCALE_FOREACH_CHAR(BOOST_LOCALE_INSTANTIATE)
#undef BOOST_LOCALE_INSTANTIATE
namespace {
// Initialize each facet once to avoid issues where doing so
// in a multi threaded environment could cause problems (races)
struct init_all {
init_all()
{
const std::locale& l = std::locale::classic();
#define BOOST_LOCALE_INIT_BY(CHAR) init_by<CHAR>(l);
BOOST_LOCALE_FOREACH_CHAR(BOOST_LOCALE_INIT_BY)
init_facet<info>(l);
init_facet<calendar_facet>(l);
}
template<typename Char>
void init_by(const std::locale& l)
{
init_facet<boundary::boundary_indexing<Char>>(l);
init_facet<collator<Char>>(l);
init_facet<converter<Char>>(l);
init_facet<message_format<Char>>(l);
}
template<typename Facet>
void init_facet(const std::locale& l)
{
// Use the facet to initialize e.g. their std::locale::id
ignore_unused(std::has_facet<Facet>(l));
}
} facet_initializer;
} // namespace
}} // namespace boost::locale
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