#pragma once #include "fs.h" #include "file.h" #include <util/folder/path.h> #include <util/generic/string.h> class TTempFile { public: inline TTempFile(const TString& fname) : Name_(fname) { } inline ~TTempFile() { NFs::Remove(Name()); } inline const TString& Name() const noexcept { return Name_; } private: const TString Name_; }; class TTempFileHandle: public TTempFile, public TFile { public: TTempFileHandle(); TTempFileHandle(const TString& fname); static TTempFileHandle InCurrentDir(const TString& filePrefix = "yandex", const TString& extension = "tmp"); static TTempFileHandle InDir(const TFsPath& dirPath, const TString& filePrefix = "yandex", const TString& extension = "tmp"); private: TFile CreateFile() const; }; /* * Creates a unique temporary filename in specified directory. * If specified directory is NULL or empty, then system temporary directory is used. * * Note, that the function is not race-free, the file is guaranteed to exist at the time the function returns, but not at the time the returned name is first used. * Throws TSystemError on error. * * Returned filepath has such format: dir/prefixXXXXXX.extension or dir/prefixXXXXXX * But win32: dir/preXXXX.tmp (prefix is up to 3 characters, extension is always tmp). */ TString MakeTempName(const char* wrkDir = nullptr, const char* prefix = "yandex", const char* extension = "tmp");