X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/0fffbc8ce4cb6357f59db63db5571f46a668a66b..3b5607fc31371190470074371793cb8500b5139e:/apt-pkg/contrib/fileutl.h?ds=sidebyside diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h index 0d0451a46..cc1a98eae 100644 --- a/apt-pkg/contrib/fileutl.h +++ b/apt-pkg/contrib/fileutl.h @@ -22,30 +22,53 @@ #define PKGLIB_FILEUTL_H #include +#include #include #include +#include +#include #include +#ifndef APT_8_CLEANER_HEADERS +using std::string; +#endif + /* Define this for python-apt */ #define APT_HAS_GZIP 1 +class FileFdPrivate; class FileFd { protected: int iFd; enum LocalFlags {AutoClose = (1<<0),Fail = (1<<1),DelOnFail = (1<<2), - HitEof = (1<<3), Replace = (1<<4) }; + HitEof = (1<<3), Replace = (1<<4), Compressed = (1<<5) }; unsigned long Flags; std::string FileName; std::string TemporaryFileName; - gzFile gz; public: - enum OpenMode {ReadOnly,WriteEmpty,WriteExists,WriteAny,WriteTemp,ReadOnlyGzip, - WriteAtomic}; + enum OpenMode { + ReadOnly = (1 << 0), + WriteOnly = (1 << 1), + ReadWrite = ReadOnly | WriteOnly, + + Create = (1 << 2), + Exclusive = (1 << 3), + Atomic = Exclusive | (1 << 4), + Empty = (1 << 5), + + WriteEmpty = ReadWrite | Create | Empty, + WriteExists = ReadWrite, + WriteAny = ReadWrite | Create, + WriteTemp = ReadWrite | Create | Exclusive, + ReadOnlyGzip, + WriteAtomic = ReadWrite | Create | Atomic + }; + enum CompressMode { Auto = 'A', None = 'N', Extension = 'E', Gzip = 'G', Bzip2 = 'B', Lzma = 'L', Xz = 'X' }; inline bool Read(void *To,unsigned long long Size,bool AllowEof) { @@ -55,13 +78,16 @@ class FileFd return Read(To,Size); } bool Read(void *To,unsigned long long Size,unsigned long long *Actual = 0); + char* ReadLine(char *To, unsigned long long const Size); bool Write(const void *From,unsigned long long Size); + bool static Write(int Fd, const void *From, unsigned long long Size); bool Seek(unsigned long long To); bool Skip(unsigned long long To); bool Truncate(unsigned long long To); unsigned long long Tell(); unsigned long long Size(); unsigned long long FileSize(); + time_t ModificationTime(); /* You want to use 'unsigned long long' if you are talking about a file to be able to support large files (>2 or >4 GB) properly. @@ -69,7 +95,7 @@ class FileFd And as the auto-conversation converts a 'unsigned long *' to a 'bool' instead of 'unsigned long long *' we need to provide this explicitely - otherwise applications magically start to fail… */ - __deprecated bool Read(void *To,unsigned long long Size,unsigned long *Actual) + bool Read(void *To,unsigned long long Size,unsigned long *Actual) APT_DEPRECATED { unsigned long long R; bool const T = Read(To, Size, &R); @@ -77,30 +103,58 @@ class FileFd return T; } - bool Open(std::string FileName,OpenMode Mode,unsigned long Perms = 0666); - bool OpenDescriptor(int Fd, OpenMode Mode, bool AutoClose=false); + bool Open(std::string FileName,unsigned int const Mode,CompressMode Compress,unsigned long const AccessMode = 0666); + bool Open(std::string FileName,unsigned int const Mode,APT::Configuration::Compressor const &compressor,unsigned long const AccessMode = 0666); + inline bool Open(std::string const &FileName,unsigned int const Mode, unsigned long const AccessMode = 0666) { + return Open(FileName, Mode, None, AccessMode); + }; + bool OpenDescriptor(int Fd, unsigned int const Mode, CompressMode Compress, bool AutoClose=false); + bool OpenDescriptor(int Fd, unsigned int const Mode, APT::Configuration::Compressor const &compressor, bool AutoClose=false); + inline bool OpenDescriptor(int Fd, unsigned int const Mode, bool AutoClose=false) { + return OpenDescriptor(Fd, Mode, None, AutoClose); + }; bool Close(); bool Sync(); // Simple manipulators inline int Fd() {return iFd;}; - inline void Fd(int fd) {iFd = fd;}; - inline gzFile gzFd() {return gz;}; + inline void Fd(int fd) { OpenDescriptor(fd, ReadWrite);}; + gzFile gzFd() APT_DEPRECATED APT_PURE; + inline bool IsOpen() {return iFd >= 0;}; inline bool Failed() {return (Flags & Fail) == Fail;}; inline void EraseOnFailure() {Flags |= DelOnFail;}; inline void OpFail() {Flags |= Fail;}; inline bool Eof() {return (Flags & HitEof) == HitEof;}; + inline bool IsCompressed() {return (Flags & Compressed) == Compressed;}; inline std::string &Name() {return FileName;}; - FileFd(std::string FileName,OpenMode Mode,unsigned long Perms = 0666) : iFd(-1), - Flags(0), gz(NULL) + FileFd(std::string FileName,unsigned int const Mode,unsigned long AccessMode = 0666) : iFd(-1), Flags(0), d(NULL) + { + Open(FileName,Mode, None, AccessMode); + }; + FileFd(std::string FileName,unsigned int const Mode, CompressMode Compress, unsigned long AccessMode = 0666) : iFd(-1), Flags(0), d(NULL) + { + Open(FileName,Mode, Compress, AccessMode); + }; + FileFd() : iFd(-1), Flags(AutoClose), d(NULL) {}; + FileFd(int const Fd, unsigned int const Mode = ReadWrite, CompressMode Compress = None) : iFd(-1), Flags(0), d(NULL) + { + OpenDescriptor(Fd, Mode, Compress); + }; + FileFd(int const Fd, bool const AutoClose) : iFd(-1), Flags(0), d(NULL) { - Open(FileName,Mode,Perms); + OpenDescriptor(Fd, ReadWrite, None, AutoClose); }; - FileFd(int Fd = -1) : iFd(Fd), Flags(AutoClose), gz(NULL) {}; - FileFd(int Fd,bool) : iFd(Fd), Flags(0), gz(NULL) {}; virtual ~FileFd(); + + private: + FileFdPrivate* d; + APT_HIDDEN bool OpenInternDescriptor(unsigned int const Mode, APT::Configuration::Compressor const &compressor); + + // private helpers to set Fail flag and call _error->Error + APT_HIDDEN bool FileFdErrno(const char* Function, const char* Description,...) APT_PRINTF(3) APT_COLD; + APT_HIDDEN bool FileFdError(const char* Description,...) APT_PRINTF(2) APT_COLD; }; bool RunScripts(const char *Cnf); @@ -108,9 +162,12 @@ bool CopyFile(FileFd &From,FileFd &To); int GetLock(std::string File,bool Errors = true); bool FileExists(std::string File); bool RealFileExists(std::string File); -bool DirectoryExists(std::string const &Path) __attrib_const; +bool DirectoryExists(std::string const &Path) APT_CONST; bool CreateDirectory(std::string const &Parent, std::string const &Path); time_t GetModificationTime(std::string const &Path); +bool Rename(std::string From, std::string To); + +std::string GetTempDir(); /** \brief Ensure the existence of the given Path * @@ -124,11 +181,14 @@ std::vector GetListOfFilesInDir(std::string const &Dir, std::string bool const &SortList, bool const &AllowNoExt=false); std::vector GetListOfFilesInDir(std::string const &Dir, std::vector const &Ext, bool const &SortList); +std::vector GetListOfFilesInDir(std::string const &Dir, bool SortList); std::string SafeGetCWD(); void SetCloseExec(int Fd,bool Close); void SetNonBlock(int Fd,bool Block); bool WaitFd(int Fd,bool write = false,unsigned long timeout = 0); pid_t ExecFork(); +pid_t ExecFork(std::set keep_fds); +void MergeKeepFdsFromConfiguration(std::set &keep_fds); bool ExecWait(pid_t Pid,const char *Name,bool Reap = false); // File string manipulators @@ -138,4 +198,7 @@ std::string flNoLink(std::string File); std::string flExtension(std::string File); std::string flCombine(std::string Dir,std::string File); +// simple c++ glob +std::vector Glob(std::string const &pattern, int flags=0); + #endif