61     return ss.str();  in StringToHex()
71     return ss.str();  in StringToHex()
81     return ss.str();  in StringToHex()
84 std::string StringUtils::HexToString(const std::string &str)  in HexToString()  argument
89     if (str.length() <= 0) {  in HexToString()
92     for (size_t i = 0; i < str.length() - 1; i += STEP_2BIT) {  in HexToString()
93         std::string byte = str.substr(i, hexStep);  in HexToString()
104 std::vector<uint8_t> StringUtils::HexToByteVector(const std::string &str)  in HexToByteVector()  argument
107     int sz = static_cast<int>(str.length());  in HexToByteVector()
112 …auto temp = static_cast<uint8_t>((HexCharToInt(str.at(i)) << HEX_OFFSET) | HexCharToInt(str.at(i +…  in HexToByteVector()
127 std::u16string StringUtils::ToUtf16(const std::string &str)  in ToUtf16()  argument
129     if (str.empty()) {  in ToUtf16()
133     return Str8ToStr16(str);  in ToUtf16()