1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | #include <fstream>#include <iostream>#include <string>#include <locale>#include <codecvt>// Unicode representation in MS Windows uses the 2-byte wchar_t type.std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>, wchar_t> utfconv;// string conversionstd::wstring wide = L"Hello, World! 안녕하세요?"; // wide string with utf-16 encodingstd::string narrow = utfconv.to_bytes(wide); // conversion from utf-16 to utf-8wide = utfconv.from_bytes(narrow); // back from utf-8 to utf-16// conversion during file I/Ostd::wofstream fout; // wide output streamfout.open("test.txt", fout.out);fout.imbue(std::locale(fout.getloc(), new std::codecvt_utf8_utf16<wchar_t>));fout << wide << std::endl; // this stream is stored as utf-8fout << utfconv.from_bytes(narrow) << std::endl; // the same as the above linefout.close();std::wifstream fin;fin.open("test.txt", fin.in);fin.imbue(std::locale(fin.getloc(), new std::codecvt_utf8_utf16<wchar_t>));std::wstring hello, world, anyoung, tline;fin >> hello >> world >> anyoung; // utf-8 stream is converted to utf-16 stringstd::getline(fin, tline); // read out the end of the linestd::getline(fin, tline); // read the next linefin.close(); |
Conversion between UTF-16 and UTF-8 in C++
Posted on Jun 5, 2014