use forward declaration in headers if possible instead of includes

[apt.git] / apt-inst / database.h

diff --git a/apt-inst/database.h b/apt-inst/database.h
index ef45bc2d6a1b41b6b6d895b1d59400aeba82437a..ccfee3797a134c2a115c8439e7102a2e9e98bace 100644 (file)
--- a/apt-inst/database.h
+++ b/apt-inst/database.h
@@ -21,17 +21,21 @@
 #ifndef PKGLIB_DATABASE_H
 #define PKGLIB_DATABASE_H
 
-#include <apt-pkg/filelist.h>
 #include <apt-pkg/pkgcachegen.h>
 
+#include <string>
+
+class pkgFLCache;
+class OpProgress;
+
 class pkgDataBase
 {
    protected:
    
    pkgCacheGenerator *Cache;
    pkgFLCache *FList;
-   string MetaDir;
-   virtual bool InitMetaTmp(string &Dir) = 0;
+   std::string MetaDir;
+   virtual bool InitMetaTmp(std::string &Dir) = 0;
    
    public:
 
@@ -40,13 +44,13 @@ class pkgDataBase
    inline pkgFLCache &GetFLCache() {return *FList;};
    inline pkgCacheGenerator &GetGenerator() {return *Cache;};
    
-   bool GetMetaTmp(string &Dir);
+   bool GetMetaTmp(std::string &Dir);
    virtual bool ReadyFileList(OpProgress &Progress) = 0;
    virtual bool ReadyPkgCache(OpProgress &Progress) = 0;
    virtual bool LoadChanges() = 0;
 
    pkgDataBase() : Cache(0), FList(0) {};
-   virtual ~pkgDataBase() {delete Cache; delete FList;};
+   virtual ~pkgDataBase();
 };
 
 #endif