17 bool StringUtils::EndsWith(const std::string& str, const std::string& postfix)  in EndsWith()  argument
19     if (str.size() < postfix.size()) {  in EndsWith()
22     return str.compare(str.size() - postfix.size(), postfix.size(), postfix) == 0;  in EndsWith()
25 bool StringUtils::StartsWith(const std::string& str, const std::string& prefix)  in StartsWith()  argument
27     if (str.size() < prefix.size()) {  in StartsWith()
30     return str.compare(0, prefix.size(), prefix) == 0;  in StartsWith()
33 bool StringUtils::Contains(const std::string& str, const std::string& target)  in Contains()  argument
35     return str.find(target) != std::string::npos;  in Contains()
38 std::string StringUtils::Strip(const std::string& str)  in Strip()  argument
42     auto first = str.find_first_not_of(blanks);  in Strip()
47     auto last = str.find_last_not_of(blanks);  in Strip()
51     return str.substr(first, last - first + 1);  in Strip()
67 std::vector<std::string> StringUtils::Split(const std::string& str, const std::string& sep)  in Split()  argument
70     if (str.empty() || sep.empty() || str.size() < sep.size()) {  in Split()
75     while (start < str.size()) {  in Split()
76         pos = str.find(sep, start);  in Split()
78             result.push_back(str.substr(start, pos - start));  in Split()
82             result.push_back(str.substr(start));  in Split()