269 std::string StripExtension(const std::string &filepath) {  in StripExtension()  argument
270   size_t i = filepath.find_last_of('.');  in StripExtension()
271   return i != std::string::npos ? filepath.substr(0, i) : filepath;  in StripExtension()
274 std::string GetExtension(const std::string &filepath) {  in GetExtension()  argument
275   size_t i = filepath.find_last_of('.');  in GetExtension()
276   return i != std::string::npos ? filepath.substr(i + 1) : "";  in GetExtension()
279 std::string StripPath(const std::string &filepath) {  in StripPath()  argument
280   size_t i = filepath.find_last_of(PathSeparatorSet);  in StripPath()
281   return i != std::string::npos ? filepath.substr(i + 1) : filepath;  in StripPath()
284 std::string StripFileName(const std::string &filepath) {  in StripFileName()  argument
285   size_t i = filepath.find_last_of(PathSeparatorSet);  in StripFileName()
286   return i != std::string::npos ? filepath.substr(0, i) : "";  in StripFileName()
289 std::string StripPrefix(const std::string &filepath,  in StripPrefix()  argument
291   if (!strncmp(filepath.c_str(), prefix_to_remove.c_str(),  in StripPrefix()
293     return filepath.substr(prefix_to_remove.size());  in StripPrefix()
295   return filepath;  in StripPrefix()
300   std::string filepath = path;  in ConCatPathFileName()  local
301   if (filepath.length()) {  in ConCatPathFileName()
302     char &filepath_last_character = filepath.back();  in ConCatPathFileName()
306       filepath += kPathSeparator;  in ConCatPathFileName()
309   filepath += filename;  in ConCatPathFileName()
311   if (filepath[0] == '.' && filepath[1] == kPathSeparator) {  in ConCatPathFileName()
312     filepath.erase(0, 2);  in ConCatPathFileName()
314   return filepath;  in ConCatPathFileName()
326 void EnsureDirExists(const std::string &filepath) {  in EnsureDirExists()  argument
327   auto parent = StripFileName(filepath);  in EnsureDirExists()
332     (void)_mkdir(filepath.c_str());  in EnsureDirExists()
334     mkdir(filepath.c_str(), S_IRWXU|S_IRGRP|S_IXGRP);  in EnsureDirExists()
343 std::string AbsolutePath(const std::string &filepath) {  in AbsolutePath()  argument
347     return filepath;  in AbsolutePath()
351       return GetFullPathNameA(filepath.c_str(), MAX_PATH, abs_path, nullptr)  in AbsolutePath()
353       char *abs_path_temp = realpath(filepath.c_str(), nullptr);  in AbsolutePath()
363       : filepath;  in AbsolutePath()
369                                const std::string &filepath) {  in RelativeToRootPath()  argument
372   std::string absolute_filepath = PosixPath(AbsolutePath(filepath));  in RelativeToRootPath()