| // |
| // 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) |
| // |
| #include <boost/locale.hpp> |
| #include <boost/algorithm/string/case_conv.hpp> |
| #include <iostream> |
| |
| #include <ctime> |
| |
| |
| |
| int main() |
| { |
| using namespace boost::locale; |
| using namespace std; |
| // Create system default locale |
| generator gen; |
| locale loc=gen(""); |
| locale::global(loc); |
| cout.imbue(loc); |
| |
| |
| cout<<"Correct case conversion can't be done by simple, character by character conversion"<<endl; |
| cout<<"because case conversion is context sensitive and not 1-to-1 conversion"<<endl; |
| cout<<"For example:"<<endl; |
| cout<<" German grüßen correctly converted to "<<to_upper("grüßen")<<", instead of incorrect " |
| <<boost::to_upper_copy(std::string("grüßen"))<<endl; |
| cout<<" where ß is replaced with SS"<<endl; |
| cout<<" Greek ὈΔΥΣΣΕΎΣ is correctly converted to "<<to_lower("ὈΔΥΣΣΕΎΣ")<<", instead of incorrect " |
| <<boost::to_lower_copy(std::string("ὈΔΥΣΣΕΎΣ"))<<endl; |
| cout<<" where Σ is converted to σ or to ς, according to position in the word"<<endl; |
| cout<<"Such type of conversion just can't be done using std::toupper that work on character base, also std::toupper is "<<endl; |
| cout<<"not even applicable when working with variable character length like in UTF-8 or UTF-16 limiting the correct "<<endl; |
| cout<<"behavior to unicode subset BMP or ASCII only"<<endl; |
| |
| } |
| |
| // vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4 |
| |
| // boostinspect:noascii |