Current File : //backups/router/usr/local/include/boost/locale/util/locale_data.hpp
//
// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
// Copyright (c) 2023 Alexander Grund
//
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#ifndef BOOST_LOCALE_UTIL_LOCALE_DATA_HPP
#define BOOST_LOCALE_UTIL_LOCALE_DATA_HPP
#include <boost/locale/config.hpp>
#include <string>
#ifdef BOOST_MSVC
# pragma warning(push)
# pragma warning(disable : 4251)
#endif
namespace boost { namespace locale { namespace util {
/// Holder and parser for locale names/identifiers
class BOOST_LOCALE_DECL locale_data {
std::string language_;
std::string country_;
std::string encoding_;
std::string variant_;
bool utf8_;
public:
/// Default to C locale with US-ASCII encoding
locale_data();
/// Construct from the parsed locale \see \ref parse
///
/// \throws std::invalid_argument: parsing failed
explicit locale_data(const std::string& locale_name);
/// Return language (usually 2 lowercase letters, i.e. ISO-639 or 'C')
const std::string& language() const { return language_; }
/// Return country (usually 2 uppercase letters, i.e. ISO-3166)
const std::string& country() const { return country_; }
/// Return encoding/codeset, e.g. ISO8859-1 or UTF-8
const std::string& encoding() const { return encoding_; }
/// Set encoding, will be made uppercase by default as-if it was parsed
/// Returns \c *this for chaining
locale_data& encoding(std::string new_encoding, bool uppercase = true);
/// Return variant/modifier, e.g. euro or stroke
const std::string& variant() const { return variant_; }
/// Return iff the encoding is UTF-8
bool is_utf8() const { return utf8_; }
/// Parse a locale identifier of the form `[language[_territory][.codeset][@modifier]]`
///
/// Allows a dash as the delimiter: `[language-territory]`
/// Return true if the identifier is valid:
/// - `language` is given and consists of ASCII letters
/// - `territory`, if given, consists of ASCII letters
/// - Any field started by a delimiter (`_`, `-`, `.`, `@`) is not empty
/// Otherwise parsing is aborted. Valid values already parsed stay set, other are defaulted.
bool parse(const std::string& locale_name);
/// Get a representation in the form `[language[_territory][.codeset][@modifier]]`
/// codeset is omitted if it is US-ASCII
std::string to_string() const;
private:
void reset();
bool parse_from_lang(const std::string& input);
bool parse_from_country(const std::string& input);
bool parse_from_encoding(const std::string& input);
bool parse_from_variant(const std::string& input);
};
}}} // namespace boost::locale::util
#ifdef BOOST_MSVC
# pragma warning(pop)
#endif
#endif
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