Merge remote-tracking branch 'mvo/feature/apt-update-info' into debian/sid

[apt.git] / apt-pkg / contrib / fileutl.h

diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index 8f2d7a0a04948e537731b62e2c442cafc6bbf040..cc1a98eae02c227b47962dff72421baf0e3f5e6d 100644 (file)
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -22,26 +22,33 @@
 #define PKGLIB_FILEUTL_H
 
 #include <apt-pkg/macros.h>
 #define PKGLIB_FILEUTL_H
 
 #include <apt-pkg/macros.h>

+#include <apt-pkg/aptconfiguration.h>

 
 #include <string>
 #include <vector>
 
 #include <string>
 #include <vector>

+#include <set>
+#include <time.h>

 
 #include <zlib.h>
 
 
 #include <zlib.h>
 

+#ifndef APT_8_CLEANER_HEADERS
+using std::string;
+#endif
+

 /* Define this for python-apt */
 #define APT_HAS_GZIP 1
 
 /* 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),
 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;
    unsigned long Flags;
    std::string FileName;
    std::string TemporaryFileName;

-   gzFile gz;

 
    public:
    enum OpenMode {
 
    public:
    enum OpenMode {


@@ -71,7 +78,9 @@ class FileFd
       return Read(To,Size);
    }   
    bool Read(void *To,unsigned long long Size,unsigned long long *Actual = 0);
       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 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);
    bool Seek(unsigned long long To);
    bool Skip(unsigned long long To);
    bool Truncate(unsigned long long To);


@@ -86,7 +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… */
       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);
    {
        unsigned long long R;
        bool const T = Read(To, Size, &R);


@@ -94,12 +103,14 @@ class FileFd
        return T;
    }
 
        return T;
    }
 

-   bool Open(std::string FileName,OpenMode Mode,CompressMode Compress,unsigned long Perms = 0666);
-   inline bool Open(std::string const &FileName,OpenMode Mode, unsigned long Perms = 0666) {
-      return Open(FileName, Mode, None, Perms);
+   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, OpenMode Mode, CompressMode Compress, bool AutoClose=false);
-   inline bool OpenDescriptor(int Fd, OpenMode Mode, bool AutoClose=false) {
+   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();
       return OpenDescriptor(Fd, Mode, None, AutoClose);
    };
    bool Close();


@@ -107,31 +118,43 @@ class FileFd
    
    // Simple manipulators
    inline int Fd() {return iFd;};
    
    // 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 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;};
    
    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, None, Perms);
+      Open(FileName,Mode, Compress, AccessMode);

    };
    };

-   FileFd(std::string FileName,OpenMode Mode, CompressMode Compress, unsigned long Perms = 0666) :
-           iFd(-1), Flags(0), gz(NULL)
+   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)

    {
    {

-      Open(FileName,Mode, Compress, Perms);
+      OpenDescriptor(Fd, Mode, Compress);
+   };
+   FileFd(int const Fd, bool const AutoClose) : iFd(-1), Flags(0), d(NULL)
+   {
+      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:
    virtual ~FileFd();
 
    private:

-   bool OpenInternDescriptor(OpenMode Mode, CompressMode Compress);
+   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);
 };
 
 bool RunScripts(const char *Cnf);


@@ -139,9 +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);
 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 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
  *
 
 /** \brief Ensure the existence of the given Path
  *


@@ -155,11 +181,14 @@ std::vector<std::string> GetListOfFilesInDir(std::string const &Dir, std::string
                                        bool const &SortList, bool const &AllowNoExt=false);
 std::vector<std::string> GetListOfFilesInDir(std::string const &Dir, std::vector<std::string> const &Ext,
                                        bool const &SortList);
                                        bool const &SortList, bool const &AllowNoExt=false);
 std::vector<std::string> GetListOfFilesInDir(std::string const &Dir, std::vector<std::string> const &Ext,
                                        bool const &SortList);

+std::vector<std::string> 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();
 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<int> keep_fds);
+void MergeKeepFdsFromConfiguration(std::set<int> &keep_fds);

 bool ExecWait(pid_t Pid,const char *Name,bool Reap = false);
 
 // File string manipulators
 bool ExecWait(pid_t Pid,const char *Name,bool Reap = false);
 
 // File string manipulators


@@ -169,4 +198,7 @@ std::string flNoLink(std::string File);
 std::string flExtension(std::string File);
 std::string flCombine(std::string Dir,std::string File);
 
 std::string flExtension(std::string File);
 std::string flCombine(std::string Dir,std::string File);
 

+// simple c++ glob
+std::vector<std::string> Glob(std::string const &pattern, int flags=0);
+

 #endif
 #endif