X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/3b5421b4c75f5c85b48cbb61bf22642ff52a6352..f8ac1720a94468d1384e88a57729e6d9801b56fd:/apt-pkg/algorithms.h

diff --git a/apt-pkg/algorithms.h b/apt-pkg/algorithms.h
index 0553b3eec..02b40e15f 100644
--- a/apt-pkg/algorithms.h
+++ b/apt-pkg/algorithms.h
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: algorithms.h,v 1.6 1998/10/20 02:39:18 jgg Exp $
+// $Id: algorithms.h,v 1.10 2001/05/22 04:17:41 jgg Exp $
 /* ######################################################################
 
    Algorithms - A set of misc algorithms
@@ -27,7 +27,6 @@
 
    ##################################################################### */
 									/*}}}*/
-// Header section: pkglib
 #ifndef PKGLIB_ALGORITHMS_H
 #define PKGLIB_ALGORITHMS_H
 
@@ -38,23 +37,44 @@
 #include <apt-pkg/packagemanager.h>
 #include <apt-pkg/depcache.h>
 
+#include <iostream>
+
+using std::ostream;
+
 class pkgSimulate : public pkgPackageManager
 {
    protected:
 
+   class Policy : public pkgDepCache::Policy
+   {
+      pkgDepCache *Cache;
+      public:
+      
+      virtual VerIterator GetCandidateVer(PkgIterator Pkg)
+      {
+	 return (*Cache)[Pkg].CandidateVerIter(*Cache);
+      }
+      
+      Policy(pkgDepCache *Cache) : Cache(Cache) {};
+   };
+   
    unsigned char *Flags;
    
+   Policy iPolicy;
    pkgDepCache Sim;
    
    // The Actuall installation implementation
    virtual bool Install(PkgIterator Pkg,string File);
    virtual bool Configure(PkgIterator Pkg);
-   virtual bool Remove(PkgIterator Pkg);
+   virtual bool Remove(PkgIterator Pkg,bool Purge);
+
+private:
    void ShortBreaks();
+   void Describe(PkgIterator iPkg,ostream &out,bool Current,bool Candidate);
    
    public:
 
-   pkgSimulate(pkgDepCache &Cache);
+   pkgSimulate(pkgDepCache *Cache);
 };
 
 class pkgProblemResolver
@@ -91,7 +111,8 @@ class pkgProblemResolver
    
    inline void Protect(pkgCache::PkgIterator Pkg) {Flags[Pkg->ID] |= Protected;};
    inline void Remove(pkgCache::PkgIterator Pkg) {Flags[Pkg->ID] |= ToRemove;};
-
+   inline void Clear(pkgCache::PkgIterator Pkg) {Flags[Pkg->ID] &= ~(Protected | ToRemove);};
+   
    // Try to intelligently resolve problems by installing and removing packages   
    bool Resolve(bool BrokenFix = false);
    
@@ -100,7 +121,8 @@ class pkgProblemResolver
    
    void InstallProtect();   
    
-   pkgProblemResolver(pkgDepCache &Cache);
+   pkgProblemResolver(pkgDepCache *Cache);
+   ~pkgProblemResolver();
 };
 
 bool pkgDistUpgrade(pkgDepCache &Cache);
@@ -109,4 +131,23 @@ bool pkgFixBroken(pkgDepCache &Cache);
 bool pkgAllUpgrade(pkgDepCache &Cache);
 bool pkgMinimizeUpgrade(pkgDepCache &Cache);
 
+void pkgPrioSortList(pkgCache &Cache,pkgCache::Version **List);
+
+
+// callback function that can be used by the client to bring in
+// certain own packages into the root set (if the client returns
+// True the package will be considered as part of the root set)
+typedef bool (*InRootSetFunc)(pkgCache::PkgIterator);
+
+// Mark all reachable packages with "pkgDepCache::StateCache.Marked=1"
+// the root-set are all essential packages+everything that was not 
+// installed automatically
+//
+// If InRootSetFunc is set, it will be called for each PkgIterator. This
+// is usefull for clients that have there own idea about the root-set
+// 
+// Everything that is not reach can be removed
+bool pkgMarkUsed(pkgDepCache &Cache, InRootSetFunc f=NULL);
+		 
+		     
 #endif