// // Copyright (c) 2009-2010 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) // #include <boost/locale.hpp> #include <boost/algorithm/string/case_conv.hpp> #include <iostream> #include <ctime> #ifndef BOOST_NO_SWPRINTF int main() { using namespace boost::locale; using namespace std; generator gen; locale::global(locale("")); locale loc=gen(""); // Create system default locale locale::global(loc); // Make it system global wcout.imbue(loc); // Set as default locale for output wcout<<L"Correct case conversion can't be done by simple, character by character conversion"<<endl; wcout<<L"because case conversion is context sensitive and not 1-to-1 conversion"<<endl; wcout<<L"For example:"<<endl; wcout<<L" German grüßen correctly converted to "<<to_upper(L"grüßen")<<L", instead of incorrect " <<boost::to_upper_copy(std::wstring(L"grüßen"))<<endl; wcout<<L" where ß is replaced with SS"<<endl; wcout<<L" Greek ὈΔΥΣΣΕΎΣ is correctly converted to "<<to_lower(L"ὈΔΥΣΣΕΎΣ")<<L", instead of incorrect " <<boost::to_lower_copy(std::wstring(L"ὈΔΥΣΣΕΎΣ"))<<endl; wcout<<L" where Σ is converted to σ or to ς, according to position in the word"<<endl; wcout<<L"Such type of conversion just can be done using std::toupper that work on character base, also std::toupper is "<<endl; wcout<<L"not fully applicable when working with variable character length like in UTF-8 or UTF-16 limiting the correct "<<endl; wcout<<L"behavoir to BMP or ASCII only"<<endl; } #else int main() { std::cout<<"This platform does not support wcout"<<std::endl; } #endif // vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4