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//
// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
// Copyright (c) 2022-2023 Alexander Grund
//
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include "icu_backend.hpp"
#include <boost/locale/gnu_gettext.hpp>
#include <boost/locale/localization_backend.hpp>
#include <boost/locale/util.hpp>
#include "../shared/message.hpp"
#include "../util/make_std_unique.hpp"
#include "all_generator.hpp"
#include "cdata.hpp"
#include <unicode/ucnv.h>
namespace boost { namespace locale { namespace impl_icu {
class icu_localization_backend : public localization_backend {
public:
icu_localization_backend() : invalid_(true), use_ansi_encoding_(false) {}
icu_localization_backend(const icu_localization_backend& other) :
localization_backend(), paths_(other.paths_), domains_(other.domains_), locale_id_(other.locale_id_),
invalid_(true), use_ansi_encoding_(other.use_ansi_encoding_)
{}
icu_localization_backend* clone() const override { return new icu_localization_backend(*this); }
void set_option(const std::string& name, const std::string& value) override
{
invalid_ = true;
if(name == "locale")
locale_id_ = value;
else if(name == "message_path")
paths_.push_back(value);
else if(name == "message_application")
domains_.push_back(value);
else if(name == "use_ansi_encoding")
use_ansi_encoding_ = value == "true";
}
void clear_options() override
{
invalid_ = true;
use_ansi_encoding_ = false;
locale_id_.clear();
paths_.clear();
domains_.clear();
}
void prepare_data()
{
if(!invalid_)
return;
invalid_ = false;
if(locale_id_.empty())
real_id_ = util::get_system_locale(/*utf8*/ !use_ansi_encoding_);
else
real_id_ = locale_id_;
data_.set(real_id_);
}
std::locale install(const std::locale& base, category_t category, char_facet_t type) override
{
prepare_data();
switch(category) {
case category_t::convert: return create_convert(base, data_, type);
case category_t::collation: return create_collate(base, data_, type);
case category_t::formatting: return create_formatting(base, data_, type);
case category_t::parsing: return create_parsing(base, data_, type);
case category_t::codepage: return create_codecvt(base, data_.encoding(), type);
case category_t::message:
return detail::install_message_facet(base, type, data_.data(), domains_, paths_);
case category_t::boundary: return create_boundary(base, data_, type);
case category_t::calendar: return create_calendar(base, data_);
case category_t::information: return util::create_info(base, real_id_);
}
return base;
}
private:
std::vector<std::string> paths_;
std::vector<std::string> domains_;
std::string locale_id_;
std::string real_id_;
cdata data_;
bool invalid_;
bool use_ansi_encoding_;
};
std::unique_ptr<localization_backend> create_localization_backend()
{
return make_std_unique<icu_localization_backend>();
}
}}} // namespace boost::locale::impl_icu
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