31 …  static void Split(const std::string &str, const std::string &sep, std::vector<std::string> &res);
32     static std::vector<std::string> StringSplit(std::string &str, const std::string &pattern);
33     static void TrimL(std::string &str);
34     static void TrimR(std::string &str);
35     static void Trim(std::string &str);
39     static void StringToLower(std::string &str);
40     static std::string StringToUpper(const std::string &str);
41     static std::string StringToUpperX(const std::string &str);
42     static void TrimSpecialChars(std::string &str);
43     static uint32_t CalSubStrNum(const std::string &str, const std::string &subStr);
51 inline void StringUtil::TrimL(std::string &str)  in TrimL()  argument
53     size_t p = str.find_first_not_of(" \t\n\v\f\r");  in TrimL()
55         str.clear();  in TrimL()
57         str = str.substr(p);  in TrimL()
62 inline void StringUtil::TrimR(std::string &str)  in TrimR()  argument
64     size_t p = str.find_last_not_of(" \t\n\v\f\r");  in TrimR()
66         str.clear();  in TrimR()
68         str.erase(p + 1);  in TrimR()
73 inline void StringUtil::Trim(std::string &str)  in Trim()  argument
75     TrimL(str);  in Trim()
76     TrimR(str);  in Trim()
98     return ss.str();  in Int2String()
101 inline void StringUtil::StringToLower(std::string &str)  in StringToLower()  argument
103     for (uint32_t k = 0; k < str.size(); k++) {  in StringToLower()
104         str[k] = static_cast<char>(tolower(str[k]));  in StringToLower()
108 inline std::string StringUtil::StringToUpper(const std::string &str)  in StringToUpper()  argument
110     std::string upstr = str;  in StringToUpper()
111     for (uint32_t k = 0; k < str.size(); k++) {  in StringToUpper()
112         upstr[k] = static_cast<char>(toupper(str[k]));  in StringToUpper()
118 inline std::string StringUtil::StringToUpperX(const std::string &str)  in StringToUpperX()  argument
120     std::string upstr = str;  in StringToUpperX()