ecency-mobile/ios/Pods/boost-for-react-native/boost/locale/encoding_utf.hpp

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2.9 KiB
C++

//
// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef BOOST_LOCALE_ENCODING_UTF_HPP_INCLUDED
#define BOOST_LOCALE_ENCODING_UTF_HPP_INCLUDED
#include <boost/locale/utf.hpp>
#include <boost/locale/encoding_errors.hpp>
#include <iterator>
#ifdef BOOST_MSVC
# pragma warning(push)
# pragma warning(disable : 4275 4251 4231 4660)
#endif
namespace boost {
namespace locale {
namespace conv {
///
/// \addtogroup codepage
///
/// @{
///
/// Convert a Unicode text in range [begin,end) to other Unicode encoding
///
template<typename CharOut,typename CharIn>
std::basic_string<CharOut>
utf_to_utf(CharIn const *begin,CharIn const *end,method_type how = default_method)
{
std::basic_string<CharOut> result;
result.reserve(end-begin);
typedef std::back_insert_iterator<std::basic_string<CharOut> > inserter_type;
inserter_type inserter(result);
utf::code_point c;
while(begin!=end) {
c=utf::utf_traits<CharIn>::template decode<CharIn const *>(begin,end);
if(c==utf::illegal || c==utf::incomplete) {
if(how==stop)
throw conversion_error();
}
else {
utf::utf_traits<CharOut>::template encode<inserter_type>(c,inserter);
}
}
return result;
}
///
/// Convert a Unicode NUL terminated string \a str other Unicode encoding
///
template<typename CharOut,typename CharIn>
std::basic_string<CharOut>
utf_to_utf(CharIn const *str,method_type how = default_method)
{
CharIn const *end = str;
while(*end)
end++;
return utf_to_utf<CharOut,CharIn>(str,end,how);
}
///
/// Convert a Unicode string \a str other Unicode encoding
///
template<typename CharOut,typename CharIn>
std::basic_string<CharOut>
utf_to_utf(std::basic_string<CharIn> const &str,method_type how = default_method)
{
return utf_to_utf<CharOut,CharIn>(str.c_str(),str.c_str()+str.size(),how);
}
/// @}
} // conv
} // locale
} // boost
#ifdef BOOST_MSVC
#pragma warning(pop)
#endif
#endif
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