merged from the mvo branch

[apt.git] / apt-pkg / depcache.h

diff --git a/apt-pkg/depcache.h b/apt-pkg/depcache.h
index fd935c2680f1f1cf68a9456dc3067e07a31af6bc..0306861a1b4ea0399a09c008ce08e847a560ef88 100644 (file)
--- a/apt-pkg/depcache.h
+++ b/apt-pkg/depcache.h
@@ -38,9 +38,6 @@
 #ifndef PKGLIB_DEPCACHE_H
 #define PKGLIB_DEPCACHE_H
 
-#ifdef __GNUG__
-#pragma interface "apt-pkg/depcache.h"
-#endif
 
 #include <apt-pkg/pkgcache.h>
 #include <apt-pkg/progress.h>
@@ -48,6 +45,7 @@
 #include <regex.h>
 
 #include <vector>
+#include <memory>
 
 class pkgDepCache : protected pkgCache::Namespace
 {
@@ -94,7 +92,7 @@ class pkgDepCache : protected pkgCache::Namespace
     *  \param rootFunc A callback that can be used to add extra
     *  packages to the root set.
     *
-    *  \return \b false if an error occured.
+    *  \return \b false if an error occurred.
     */
    bool MarkRequired(InRootSetFunc &rootFunc);
 
@@ -105,7 +103,7 @@ class pkgDepCache : protected pkgCache::Namespace
     *  are tested to see whether they are actually garbage.  If so,
     *  they are marked as such.
     *
-    *  \return \b false if an error occured.
+    *  \return \b false if an error occurred.
     */
    bool Sweep();
 
@@ -248,7 +246,9 @@ class pkgDepCache : protected pkgCache::Namespace
       inline bool Downgrade() const {return Status < 0 && Mode == ModeInstall;};
       inline bool Held() const {return Status != 0 && Keep();};
       inline bool NowBroken() const {return (DepState & DepNowMin) != DepNowMin;};
+      inline bool NowPolicyBroken() const {return (DepState & DepNowPolicy) != DepNowPolicy;};
       inline bool InstBroken() const {return (DepState & DepInstMin) != DepInstMin;};
+      inline bool InstPolicyBroken() const {return (DepState & DepInstPolicy) != DepInstPolicy;};
       inline bool Install() const {return Mode == ModeInstall;};
       inline VerIterator InstVerIter(pkgCache &Cache)
                 {return VerIterator(Cache,InstallVer);};
@@ -292,8 +292,12 @@ class pkgDepCache : protected pkgCache::Namespace
    unsigned long iDelCount;
    unsigned long iKeepCount;
    unsigned long iBrokenCount;
+   unsigned long iPolicyBrokenCount;
    unsigned long iBadCount;
-   
+
+   bool DebugMarker;
+   bool DebugAutoInstall;
+
    Policy *delLocalPolicy;           // For memory clean up..
    Policy *LocalPolicy;
    
@@ -386,23 +390,64 @@ class pkgDepCache : protected pkgCache::Namespace
     */
    // @{
    void MarkKeep(PkgIterator const &Pkg, bool Soft = false,
-                bool FromUser = true);
-   void MarkDelete(PkgIterator const &Pkg,bool Purge = false);
+                bool FromUser = true, unsigned long Depth = 0);
+   void MarkDelete(PkgIterator const &Pkg, bool Purge = false,
+                   unsigned long Depth = 0, bool FromUser = true);
    void MarkInstall(PkgIterator const &Pkg,bool AutoInst = true,
-                   unsigned long Depth = 0, bool FromUser = true);
+                   unsigned long Depth = 0, bool FromUser = true,
+                   bool ForceImportantDeps = false);
+
    void SetReInstall(PkgIterator const &Pkg,bool To);
    void SetCandidateVersion(VerIterator TargetVer);
 
    /** Set the "is automatically installed" flag of Pkg. */
    void MarkAuto(const PkgIterator &Pkg, bool Auto);
    // @}
-   
+
+   /** \return \b true if it's OK for MarkInstall to install
+    *  the given package.
+    *
+    *  See the default implementation for a simple example how this
+    *  method can be used.
+    *  Overriding implementations should use the hold-state-flag to cache
+    *  results from previous checks of this package - also it should
+    *  be used if the default resolver implementation is also used to
+    *  ensure that these packages are handled like "normal" dpkg holds.
+    *
+    *  The parameters are the same as in the calling MarkInstall:
+    *  \param Pkg       the package that MarkInstall wants to install.
+    *  \param AutoInst  needs a previous MarkInstall this package?
+    *  \param Depth     recursive deep of this Marker call
+    *  \param FromUser  was the install requested by the user?
+    */
+   virtual bool IsInstallOk(const PkgIterator &Pkg,bool AutoInst = true,
+                           unsigned long Depth = 0, bool FromUser = true);
+
+   /** \return \b true if it's OK for MarkDelete to remove
+    *  the given package.
+    *
+    *  See the default implementation for a simple example how this
+    *  method can be used.
+    *  Overriding implementations should use the hold-state-flag to cache
+    *  results from previous checks of this package - also it should
+    *  be used if the default resolver implementation is also used to
+    *  ensure that these packages are handled like "normal" dpkg holds.
+    *
+    *  The parameters are the same as in the calling MarkDelete:
+    *  \param Pkg       the package that MarkDelete wants to remove.
+    *  \param Purge     should we purge instead of "only" remove?
+    *  \param Depth     recursive deep of this Marker call
+    *  \param FromUser  was the remove requested by the user?
+    */
+   virtual bool IsDeleteOk(const PkgIterator &Pkg,bool Purge = false,
+                           unsigned long Depth = 0, bool FromUser = true);
+
    // This is for debuging
    void Update(OpProgress *Prog = 0);
 
    // read persistent states
    bool readStateFile(OpProgress *prog);
-   bool writeStateFile(OpProgress *prog);
+   bool writeStateFile(OpProgress *prog, bool InstalledOnly=false);
    
    // Size queries
    inline double UsrSize() {return iUsrSize;};
@@ -411,6 +456,7 @@ class pkgDepCache : protected pkgCache::Namespace
    inline unsigned long KeepCount() {return iKeepCount;};
    inline unsigned long InstCount() {return iInstCount;};
    inline unsigned long BrokenCount() {return iBrokenCount;};
+   inline unsigned long PolicyBrokenCount() {return iPolicyBrokenCount;};
    inline unsigned long BadCount() {return iBadCount;};
 
    bool Init(OpProgress *Prog);