598bfd3f
 Hu Chunming
提交_GLIBCXX_USE_CX...
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//
// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
//
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#ifndef BOOST_LOCALE_INFO_HPP_INCLUDED
#define BOOST_LOCALE_INFO_HPP_INCLUDED
#include <boost/locale/config.hpp>
#include <locale>
#include <string>
#ifdef BOOST_MSVC
# pragma warning(push)
# pragma warning(disable : 4275 4251 4231 4660)
#endif
namespace boost { namespace locale {
/// \brief a facet that holds general information about locale
///
/// This facet should be always created in order to make all Boost.Locale functions work
class BOOST_LOCALE_DECL info : public std::locale::facet {
public:
~info();
static std::locale::id id; ///< This member uniquely defines this facet, required by STL
/// String information about the locale
enum string_propery {
language_property, ///< ISO 639 language id
country_property, ///< ISO 3166 country id
variant_property, ///< Variant for locale
encoding_property, ///< encoding name
name_property ///< locale name
};
/// Integer information about locale
enum integer_property {
utf8_property ///< Non zero value if uses UTF-8 encoding
};
/// Standard facet's constructor
info(size_t refs = 0) : std::locale::facet(refs) {}
/// Get language name
std::string language() const { return get_string_property(language_property); }
/// Get country name
std::string country() const { return get_string_property(country_property); }
/// Get locale variant
std::string variant() const { return get_string_property(variant_property); }
/// Get encoding
std::string encoding() const { return get_string_property(encoding_property); }
/// Get the name of the locale, like en_US.UTF-8
std::string name() const { return get_string_property(name_property); }
/// True if the underlying encoding is UTF-8 (for char streams and strings)
bool utf8() const { return get_integer_property(utf8_property) != 0; }
protected:
/// Get string property by its id \a v
virtual std::string get_string_property(string_propery v) const = 0;
/// Get integer property by its id \a v
virtual int get_integer_property(integer_property v) const = 0;
};
}} // namespace boost::locale
#ifdef BOOST_MSVC
# pragma warning(pop)
#endif
#endif
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