facets.hpp

//
// 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_BOUNDARY_FACETS_HPP_INCLUDED
#define BOOST_LOCALE_BOUNDARY_FACETS_HPP_INCLUDED
 
#include <boost/locale/boundary/types.hpp>
#include <boost/locale/detail/facet_id.hpp>
#include <boost/locale/detail/is_supported_char.hpp>
#include <locale>
#include <vector>
 
#ifdef BOOST_MSVC
#    pragma warning(push)
#    pragma warning(disable : 4275 4251 4231 4660)
#endif
 
namespace boost { namespace locale {
 
    namespace boundary {
 
        struct break_info {
            break_info() : offset(0), rule(0) {}
 
            break_info(size_t v) : offset(v), rule(0) {}
 
            size_t offset;
            rule_type rule;
 
            bool operator<(const break_info& other) const { return offset < other.offset; }
        };
 
        typedef std::vector<break_info> index_type;
 
        template<typename Char>
        class BOOST_SYMBOL_VISIBLE boundary_indexing : public std::locale::facet,
                                                       public boost::locale::detail::facet_id<boundary_indexing<Char>> {
            BOOST_LOCALE_ASSERT_IS_SUPPORTED(Char);
 
        public:
            boundary_indexing(size_t refs = 0) : std::locale::facet(refs) {}
 
            virtual index_type map(boundary_type t, const Char* begin, const Char* end) const = 0;
        };
 
    } // namespace boundary
 
}} // namespace boost::locale
 
#ifdef BOOST_MSVC
#    pragma warning(pop)
#endif
 
#endif