merge from the expermental2 branch

1 files changed, 105 insertions, 43 deletions

diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index a1b177f38..426664d3a 100644
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -22,82 +22,143 @@
 #define PKGLIB_FILEUTL_H
 
 #include <apt-pkg/macros.h>
+#include <apt-pkg/aptconfiguration.h>
 
 #include <string>
 #include <vector>
 
 #include <zlib.h>
 
+#ifndef APT_8_CLEANER_HEADERS
+using std::string;
+#endif
+
 /* Define this for python-apt */
 #define APT_HAS_GZIP 1
 
-using std::string;
-
+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;
-   string FileName;
-   string TemporaryFileName;
-   gzFile gz;
+   std::string FileName;
+   std::string TemporaryFileName;
 
    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 Size,bool AllowEof)
+   inline bool Read(void *To,unsigned long long Size,bool AllowEof)
    {
-      unsigned long Jnk;
+      unsigned long long Jnk;
       if (AllowEof)
 	 return Read(To,Size,&Jnk);
       return Read(To,Size);
    }   
-   bool Read(void *To,unsigned long Size,unsigned long *Actual = 0);
-   bool Write(const void *From,unsigned long Size);
-   bool Seek(unsigned long To);
-   bool Skip(unsigned long To);
-   bool Truncate(unsigned long To);
-   unsigned long Tell();
-   unsigned long Size();
-   unsigned long FileSize();
-   bool Open(string FileName,OpenMode Mode,unsigned long Perms = 0666);
-   bool OpenDescriptor(int Fd, OpenMode Mode, bool AutoClose=false);
+   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.
+      This shouldn't happen all to often for the indexes, but deb's might be…
+      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)
+   {
+	unsigned long long R;
+	bool const T = Read(To, Size, &R);
+	*Actual = R;
+	return T;
+   }
+
+   bool Open(std::string FileName,unsigned int const Mode,CompressMode Compress,unsigned long const Perms = 0666);
+   bool Open(std::string FileName,unsigned int const Mode,APT::Configuration::Compressor const &compressor,unsigned long const Perms = 0666);
+   inline bool Open(std::string const &FileName,unsigned int const Mode, unsigned long const Perms = 0666) {
+      return Open(FileName, Mode, None, Perms);
+   };
+   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);};
+   __deprecated gzFile gzFd();
+
    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 string &Name() {return FileName;};
+   inline bool IsCompressed() {return (Flags & Compressed) == Compressed;};
+   inline std::string &Name() {return FileName;};
    
-   FileFd(string FileName,OpenMode Mode,unsigned long Perms = 0666) : iFd(-1), 
-            Flags(0), gz(NULL)
+   FileFd(std::string FileName,unsigned int const Mode,unsigned long Perms = 0666) : iFd(-1), Flags(0), d(NULL)
+   {
+      Open(FileName,Mode, None, Perms);
+   };
+   FileFd(std::string FileName,unsigned int const Mode, CompressMode Compress, unsigned long Perms = 0666) : iFd(-1), Flags(0), d(NULL)
    {
-      Open(FileName,Mode,Perms);
+      Open(FileName,Mode, Compress, Perms);
+   };
+   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)
+   {
+      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;
+   bool OpenInternDescriptor(unsigned int const Mode, APT::Configuration::Compressor const &compressor);
 };
 
 bool RunScripts(const char *Cnf);
 bool CopyFile(FileFd &From,FileFd &To);
-int GetLock(string File,bool Errors = true);
-bool FileExists(string File);
-bool RealFileExists(string File);
-bool DirectoryExists(string const &Path) __attrib_const;
-bool CreateDirectory(string const &Parent, string const &Path);
-time_t GetModificationTime(string const &Path);
+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 CreateDirectory(std::string const &Parent, std::string const &Path);
+time_t GetModificationTime(std::string const &Path);
 
 /** \brief Ensure the existence of the given Path
  *
@@ -105,13 +166,14 @@ time_t GetModificationTime(string const &Path);
  *  /apt/ will be removed before CreateDirectory call.
  *  \param Path which should exist after (successful) call
  */
-bool CreateAPTDirectoryIfNeeded(string const &Parent, string const &Path);
+bool CreateAPTDirectoryIfNeeded(std::string const &Parent, std::string const &Path);
 
-std::vector<string> GetListOfFilesInDir(string const &Dir, string const &Ext,
+std::vector<std::string> GetListOfFilesInDir(std::string const &Dir, std::string const &Ext,
 					bool const &SortList, bool const &AllowNoExt=false);
-std::vector<string> GetListOfFilesInDir(string const &Dir, std::vector<string> const &Ext,
+std::vector<std::string> GetListOfFilesInDir(std::string const &Dir, std::vector<std::string> const &Ext,
 					bool const &SortList);
-string SafeGetCWD();
+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);
@@ -119,10 +181,10 @@ pid_t ExecFork();
 bool ExecWait(pid_t Pid,const char *Name,bool Reap = false);
 
 // File string manipulators
-string flNotDir(string File);
-string flNotFile(string File);
-string flNoLink(string File);
-string flExtension(string File);
-string flCombine(string Dir,string File);
+std::string flNotDir(std::string File);
+std::string flNotFile(std::string File);
+std::string flNoLink(std::string File);
+std::string flExtension(std::string File);
+std::string flCombine(std::string Dir,std::string File);
 
 #endif