improve wstr conversion

src/util.cpp

@@ -571,30 +571,32 @@ std::string unescape(const std::string& s)
 
 std::wstring str2wstr(const std::string& str)
 {
-    //mbstate_t st = {};
-    //std::wstring converted;
-    //converted.resize(str.size());
-    //const char* ptr = str.c_str();
-    //std::mbsrtowcs((wchar_t*)converted.data(), &ptr, converted.capacity(), &st);
-    //return converted;
-    if (str.empty())
-        return {};
+    if (str.empty()) return {};
+    try
+    {
         std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converterX;
         return converterX.from_bytes(str);
+    }
+    catch (...)
+    {
+        LOG("str2wstr error: %s", str.c_str());
+        return {};
+    }
 }
 
 std::string wstr2str(const std::wstring & wstr)
 {
-    //mbstate_t st = {};
-    //std::string converted;
-    //converted.resize(wstr.size());
-    //const wchar_t * wptr = wstr.c_str();
-    //std::wcsrtombs((char*)converted.data(), &wptr, converted.capacity(), &st);
-    //return converted;
-    if (wstr.empty())
-        return {};
+    if (wstr.empty()) return {};
+    try
+    {
         std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converterX;
         return converterX.to_bytes(wstr);
+    }
+    catch (...)
+    {
+        LOGW(L"wstr2str error: %s", wstr.c_str());
+        return {};
+    }
 }
 
 bool str_iequals(const std::string& a, const std::string& b)