std::wstring_convert<std::codecvt_utf8<wchar_t>> conv; std::string narrowStr = conv.to_bytes(str); { std::ofstream ofs ("c:\\test.txt"); ofs << narrowStr; } std::wstring wideStr = conv.from_bytes(narrowStr); { std::locale::global(std::locale("Chinese-simplified...
std::wstring_convert<std::codecvt_utf8<char16_t>, char16_t> ucs2conv; try { std::u16string ucs2 = ucs2conv.from_bytes(utf8); } catch(const std::range_error& e) { std::u16string ucs2 = ucs2conv.from_bytes(utf8.substr(0, ucs2conv.converted())); std::cout << "UCS2 failed a...
另外大部分是在 utf16 - utf8 之间转换时,使用 wchar_t 用来作为 utf16 的类型,char 用作 utf8 类型,这样是可能有问题的,而且现在编译器也会警告,utf16/utf8 转换应当使用 char16_t, char8_t,另外我也跟踪进去看了一下实现的部分,utf8/utf16 转换本来就十分简单,能确定没问题,这种转换自己写一个也就...
std::string utf8 = u8"z\u6c34\U0001d10b"; // the UTF-8 / UTF-16 standard conversion facet std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> utf16conv; std::u16string utf16 = utf16conv.from_bytes(utf8); std::cout << "UTF16 conversion produced " << utf16...
std::wstring_convert<std::codecvt_utf8<wchar_t>> conv; std::string narrowStr = conv.to_bytes(str); { std::ofstream ofs ("c:\\test.txt"); ofs << narrowStr; } std::wstring wideStr = conv.from_bytes(narrowStr); { std::locale::global(std::locale("Chinese-simplified")); ...
适用于 std::wstring_convert 的标准刻面对于 UTF-8/UCS2 和 UTF-8/UCS4 转换是 std::codecvt_utf8,而对于 UTF-8/UTF-16 转换是 std::codecvt_utf8_utf16。 成员类型类型 定义 byte_string std::basic_string<char, std::char_traits<char>, Byte_alloc> wide_string std::basic_string<Elem, std...
适用于 std::wstring_convert 的标准平面对于 UTF-8/UCS2 和 UTF-8/UCS4 转换是 std::codecvt_utf8 ,而对于 UTF-8/UTF-16 转换是 std::codecvt_utf8_utf16。 成员类型 成员类型 定义 byte_string std::basic_string<char, char_traits<char>, Byte_alloc> wide_string std::basic_string<Elem, ...
(c)<<' ';// UTF-8 / UTF-32 标准转换刻面std::u32stringutf32=std::wstring_convert<std::codecvt_utf8<char32_t>,char32_t>{}.from_bytes(utf8);std::cout<<"\nUTF-32 转换产生了 "<<std::dec<<utf32.size()<<" 个代码单元:";for(char32_tc:utf32)std::cout<<std::hex<<static...
(utf8);std::cout<<"UTF-32 string size: "<<utf32.size()<<'\n';std::cout<<"converted() == "<<cvt.converted()<<'\n';// UTF-32 to UTF-8utf8=cvt.to_bytes(utf32);std::cout<<"new UTF-8 string size: "<<utf8.size()<<'\n';std::cout<<"converted() == "<<cvt....
locale-defined multibyte(UTF-8, GB18030) UTF-8 UTF-16 UTF-16 mbrtoc16 / c16rtomb(with C11's DR488) codecvt<char16_t, char, mbstate_t>codecvt_utf8_utf16<char16_t>codecvt_utf8_utf16<char32_t>codecvt_utf8_utf16<wchar_t>