69 lines
2.2 KiB
C++
69 lines
2.2 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.
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// https://www.boost.org/LICENSE_1_0.txt
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#ifndef BOOST_LOCALE_ENCODING_UTF_HPP_INCLUDED
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#define BOOST_LOCALE_ENCODING_UTF_HPP_INCLUDED
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#include <boost/locale/encoding_errors.hpp>
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#include <boost/locale/utf.hpp>
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#include <boost/locale/util/string.hpp>
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#include <iterator>
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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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namespace boost { namespace locale { namespace conv {
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/// \addtogroup codepage
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///
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/// @{
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/// Convert a Unicode text in range [begin,end) to other Unicode encoding
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template<typename CharOut, typename CharIn>
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std::basic_string<CharOut> utf_to_utf(const CharIn* begin, const CharIn* end, method_type how = default_method)
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{
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std::basic_string<CharOut> result;
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result.reserve(end - begin);
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typedef std::back_insert_iterator<std::basic_string<CharOut>> inserter_type;
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inserter_type inserter(result);
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utf::code_point c;
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while(begin != end) {
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c = utf::utf_traits<CharIn>::template decode<const CharIn*>(begin, end);
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if(c == utf::illegal || c == utf::incomplete) {
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if(how == stop)
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throw conversion_error();
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} else {
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utf::utf_traits<CharOut>::template encode<inserter_type>(c, inserter);
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}
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}
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return result;
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}
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/// Convert a Unicode NULL terminated string \a str other Unicode encoding
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template<typename CharOut, typename CharIn>
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std::basic_string<CharOut> utf_to_utf(const CharIn* str, method_type how = default_method)
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{
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return utf_to_utf<CharOut, CharIn>(str, util::str_end(str), how);
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}
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/// Convert a Unicode string \a str other Unicode encoding
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template<typename CharOut, typename CharIn>
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std::basic_string<CharOut> utf_to_utf(const std::basic_string<CharIn>& str, method_type how = default_method)
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{
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return utf_to_utf<CharOut, CharIn>(str.c_str(), str.c_str() + str.size(), how);
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}
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/// @}
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}}} // namespace boost::locale::conv
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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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