merged from lp:~donkult/apt/sid

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

diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index c4b28212608629f2ee07beb27f5c08152db97a99..cde288ad20e7787dc2993a07844f42a5d918fd92 100644 (file)
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -21,12 +21,16 @@
 #ifndef PKGLIB_FILEUTL_H
 #define PKGLIB_FILEUTL_H
 
+#include <apt-pkg/macros.h>
 
 #include <string>
 #include <vector>
 
 #include <zlib.h>
 
+/* Define this for python-apt */
+#define APT_HAS_GZIP 1
+
 using std::string;
 
 class FileFd
@@ -35,13 +39,15 @@ class FileFd
    int iFd;
  
    enum LocalFlags {AutoClose = (1<<0),Fail = (1<<1),DelOnFail = (1<<2),
-                    HitEof = (1<<3)};
+                    HitEof = (1<<3), Replace = (1<<4) };
    unsigned long Flags;
    string FileName;
+   string TemporaryFileName;
    gzFile gz;
-   
+
    public:
-   enum OpenMode {ReadOnly,WriteEmpty,WriteExists,WriteAny,WriteTemp,ReadOnlyGzip};
+   enum OpenMode {ReadOnly,WriteEmpty,WriteExists,WriteAny,WriteTemp,ReadOnlyGzip,
+                  WriteAtomic};
    
    inline bool Read(void *To,unsigned long Size,bool AllowEof)
    {
@@ -57,13 +63,16 @@ class FileFd
    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 Close();
    bool Sync();
    
    // Simple manipulators
    inline int Fd() {return iFd;};
    inline void Fd(int fd) {iFd = fd;};
+   inline gzFile gzFd() {return gz;};
    inline bool IsOpen() {return iFd >= 0;};
    inline bool Failed() {return (Flags & Fail) == Fail;};
    inline void EraseOnFailure() {Flags |= DelOnFail;};
@@ -85,11 +94,20 @@ bool RunScripts(const char *Cnf);
 bool CopyFile(FileFd &From,FileFd &To);
 int GetLock(string File,bool Errors = true);
 bool FileExists(string File);
-// FIXME: next ABI-Break: merge the two method-headers
-std::vector<string> GetListOfFilesInDir(string const &Dir, string const &Ext,
-                                       bool const &SortList);
+bool RealFileExists(string File);
+bool DirectoryExists(string const &Path) __attrib_const;
+bool CreateDirectory(string const &Parent, string const &Path);
+
+/** \brief Ensure the existence of the given Path
+ *
+ *  \param Parent directory of the Path directory - a trailing
+ *  /apt/ will be removed before CreateDirectory call.
+ *  \param Path which should exist after (successful) call
+ */
+bool CreateAPTDirectoryIfNeeded(string const &Parent, string const &Path);
+
 std::vector<string> GetListOfFilesInDir(string const &Dir, string const &Ext,
-                                       bool const &SortList, bool const &AllowNoExt);
+                                       bool const &SortList, bool const &AllowNoExt=false);
 std::vector<string> GetListOfFilesInDir(string const &Dir, std::vector<string> const &Ext,
                                        bool const &SortList);
 string SafeGetCWD();