21     auto beginPos = filePath.find_last_of("/");  in GetBaseName()  local
22     if (beginPos != std::string::npos) {  in GetBaseName()
23         beginPos++;  in GetBaseName()
25         beginPos = 0;  in GetBaseName()
28     return filePath.substr(beginPos);  in GetBaseName()
33     auto beginPos = filePath.find_last_of('/');  in GetFileName()  local
34     if (beginPos != std::string::npos) {  in GetFileName()
35         beginPos++;  in GetFileName()
37         beginPos = 0;  in GetFileName()
41         return filePath.substr(beginPos, endPos - beginPos);  in GetFileName()
44     return filePath.substr(beginPos);  in GetFileName()
49     auto beginPos = filePath.find_last_of('.');  in GetFileExtension()  local
50     if (beginPos != std::string::npos) {  in GetFileExtension()
51         return filePath.substr(beginPos);  in GetFileExtension()