Differences

This shows you the differences between two versions of the page.

--- c:string:string-to-wstring [2019/06/16 22:40] – created odefta
+++ c:string:string-to-wstring [2023/07/04 19:36] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
-====== Convert std::string to std::wstring ======
+====== Convert between std::string and std::wstring ======
+Don't use the convert variable inside the to_wstring function. It will make it perform slower.
 <code cpp>
-std::wstring to_wstring(std::string const & s) {
+std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> conv_;
-	std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> convert;
-	auto asInt = convert.from_bytes(s);
+std::string wideToStr(const std::wstring& wstr) {
-	return std::wstring(reinterpret_cast<wchar_t const *>(asInt.data()), asInt.length());
+    return conv_.to_bytes(wstr);
+}
+std::wstring strToWide(const std::string& str) {
+    return conv_.from_bytes(str);
 }
 </code>