249 lines
9.8 KiB
C++
249 lines
9.8 KiB
C++
//
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// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BOOST_LOCALE_ENCODING_HPP_INCLUDED
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#define BOOST_LOCALE_ENCODING_HPP_INCLUDED
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#include <boost/locale/config.hpp>
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#ifdef BOOST_MSVC
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# pragma warning(push)
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# pragma warning(disable : 4275 4251 4231 4660)
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#endif
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#include <boost/locale/info.hpp>
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#include <boost/locale/encoding_errors.hpp>
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#include <boost/locale/encoding_utf.hpp>
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namespace boost {
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namespace locale {
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///
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/// \brief Namespace that contains all functions related to character set conversion
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///
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namespace conv {
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///
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/// \defgroup codepage Character conversion functions
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///
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/// @{
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///
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/// convert string to UTF string from text in range [begin,end) encoded with \a charset according to policy \a how
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///
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template<typename CharType>
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std::basic_string<CharType> to_utf(char const *begin,char const *end,std::string const &charset,method_type how=default_method);
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///
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/// convert UTF text in range [begin,end) to a text encoded with \a charset according to policy \a how
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///
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template<typename CharType>
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std::string from_utf(CharType const *begin,CharType const *end,std::string const &charset,method_type how=default_method);
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///
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/// convert string to UTF string from text in range [begin,end) encoded according to locale \a loc according to policy \a how
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///
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/// \note throws std::bad_cast if the loc does not have \ref info facet installed
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///
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template<typename CharType>
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std::basic_string<CharType> to_utf(char const *begin,char const *end,std::locale const &loc,method_type how=default_method)
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{
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return to_utf<CharType>(begin,end,std::use_facet<info>(loc).encoding(),how);
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}
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///
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/// convert UTF text in range [begin,end) to a text encoded according to locale \a loc according to policy \a how
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///
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/// \note throws std::bad_cast if the loc does not have \ref info facet installed
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///
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template<typename CharType>
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std::string from_utf(CharType const *begin,CharType const *end,std::locale const &loc,method_type how=default_method)
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{
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return from_utf(begin,end,std::use_facet<info>(loc).encoding(),how);
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}
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///
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/// convert a string \a text encoded with \a charset to UTF string
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///
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template<typename CharType>
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std::basic_string<CharType> to_utf(std::string const &text,std::string const &charset,method_type how=default_method)
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{
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return to_utf<CharType>(text.c_str(),text.c_str()+text.size(),charset,how);
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}
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///
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/// Convert a \a text from \a charset to UTF string
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///
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template<typename CharType>
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std::string from_utf(std::basic_string<CharType> const &text,std::string const &charset,method_type how=default_method)
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{
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return from_utf(text.c_str(),text.c_str()+text.size(),charset,how);
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}
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///
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/// Convert a \a text from \a charset to UTF string
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///
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template<typename CharType>
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std::basic_string<CharType> to_utf(char const *text,std::string const &charset,method_type how=default_method)
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{
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char const *text_end = text;
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while(*text_end)
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text_end++;
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return to_utf<CharType>(text,text_end,charset,how);
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}
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///
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/// Convert a \a text from UTF to \a charset
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///
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template<typename CharType>
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std::string from_utf(CharType const *text,std::string const &charset,method_type how=default_method)
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{
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CharType const *text_end = text;
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while(*text_end)
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text_end++;
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return from_utf(text,text_end,charset,how);
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}
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///
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/// Convert a \a text in locale encoding given by \a loc to UTF
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///
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/// \note throws std::bad_cast if the loc does not have \ref info facet installed
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///
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template<typename CharType>
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std::basic_string<CharType> to_utf(std::string const &text,std::locale const &loc,method_type how=default_method)
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{
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return to_utf<CharType>(text.c_str(),text.c_str()+text.size(),loc,how);
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}
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///
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/// Convert a \a text in UTF to locale encoding given by \a loc
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///
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/// \note throws std::bad_cast if the loc does not have \ref info facet installed
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///
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template<typename CharType>
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std::string from_utf(std::basic_string<CharType> const &text,std::locale const &loc,method_type how=default_method)
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{
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return from_utf(text.c_str(),text.c_str()+text.size(),loc,how);
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}
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///
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/// Convert a \a text in locale encoding given by \a loc to UTF
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///
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/// \note throws std::bad_cast if the loc does not have \ref info facet installed
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///
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template<typename CharType>
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std::basic_string<CharType> to_utf(char const *text,std::locale const &loc,method_type how=default_method)
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{
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char const *text_end = text;
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while(*text_end)
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text_end++;
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return to_utf<CharType>(text,text_end,loc,how);
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}
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///
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/// Convert a \a text in UTF to locale encoding given by \a loc
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///
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/// \note throws std::bad_cast if the loc does not have \ref info facet installed
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///
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template<typename CharType>
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std::string from_utf(CharType const *text,std::locale const &loc,method_type how=default_method)
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{
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CharType const *text_end = text;
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while(*text_end)
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text_end++;
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return from_utf(text,text_end,loc,how);
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}
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///
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/// Convert a text in range [begin,end) to \a to_encoding from \a from_encoding
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///
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BOOST_LOCALE_DECL
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std::string between(char const *begin,
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char const *end,
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std::string const &to_encoding,
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std::string const &from_encoding,
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method_type how=default_method);
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///
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/// Convert a \a text to \a to_encoding from \a from_encoding
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///
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inline
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std::string between(char const *text,
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std::string const &to_encoding,
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std::string const &from_encoding,
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method_type how=default_method)
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{
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char const *end=text;
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while(*end)
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end++;
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return boost::locale::conv::between(text,end,to_encoding,from_encoding,how);
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}
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///
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/// Convert a \a text to \a to_encoding from \a from_encoding
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///
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inline
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std::string between(std::string const &text,
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std::string const &to_encoding,
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std::string const &from_encoding,
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method_type how=default_method)
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{
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return boost::locale::conv::between(text.c_str(),text.c_str()+text.size(),to_encoding,from_encoding,how);
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}
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/// \cond INTERNAL
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template<>
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BOOST_LOCALE_DECL std::basic_string<char> to_utf(char const *begin,char const *end,std::string const &charset,method_type how);
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template<>
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BOOST_LOCALE_DECL std::string from_utf(char const *begin,char const *end,std::string const &charset,method_type how);
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template<>
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BOOST_LOCALE_DECL std::basic_string<wchar_t> to_utf(char const *begin,char const *end,std::string const &charset,method_type how);
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template<>
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BOOST_LOCALE_DECL std::string from_utf(wchar_t const *begin,wchar_t const *end,std::string const &charset,method_type how);
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#ifdef BOOST_LOCALE_ENABLE_CHAR16_T
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template<>
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BOOST_LOCALE_DECL std::basic_string<char16_t> to_utf(char const *begin,char const *end,std::string const &charset,method_type how);
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template<>
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BOOST_LOCALE_DECL std::string from_utf(char16_t const *begin,char16_t const *end,std::string const &charset,method_type how);
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#endif
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#ifdef BOOST_LOCALE_ENABLE_CHAR32_T
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template<>
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BOOST_LOCALE_DECL std::basic_string<char32_t> to_utf(char const *begin,char const *end,std::string const &charset,method_type how);
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template<>
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BOOST_LOCALE_DECL std::string from_utf(char32_t const *begin,char32_t const *end,std::string const &charset,method_type how);
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#endif
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/// \endcond
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/// @}
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} // conv
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} // locale
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} // boost
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#ifdef BOOST_MSVC
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#pragma warning(pop)
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#endif
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#endif
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// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4
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