merge patch from Daniel Hartwig to Show a error message if {,dist-}upgrade is used...

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

diff --git a/apt-pkg/algorithms.h b/apt-pkg/algorithms.h
index 00b7882e248eef893c295233b436b2e7ea6b1ccc..aff8a68f2ce1a2691660bfd35db5bc29b01e795c 100644 (file)
--- a/apt-pkg/algorithms.h
+++ b/apt-pkg/algorithms.h
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: algorithms.h,v 1.9 2001/02/20 07:03:17 jgg Exp $
+// $Id: algorithms.h,v 1.10 2001/05/22 04:17:41 jgg Exp $
 /* ######################################################################
 
    Algorithms - A set of misc algorithms
@@ -30,14 +30,20 @@
 #ifndef PKGLIB_ALGORITHMS_H
 #define PKGLIB_ALGORITHMS_H
 
-#ifdef __GNUG__
-#pragma interface "apt-pkg/algorithms.h"
-#endif 
 
 #include <apt-pkg/packagemanager.h>
 #include <apt-pkg/depcache.h>
 
-class pkgSimulate : public pkgPackageManager
+#include <iostream>
+
+#ifndef APT_8_CLEANER_HEADERS
+#include <apt-pkg/acquire.h>
+using std::ostream;
+#endif
+
+class pkgAcquireStatus;
+
+class pkgSimulate : public pkgPackageManager                           /*{{{*/
 {
    protected:
 
@@ -46,7 +52,7 @@ class pkgSimulate : public pkgPackageManager
       pkgDepCache *Cache;
       public:
       
-      virtual VerIterator GetCandidateVer(PkgIterator Pkg)
+      virtual VerIterator GetCandidateVer(PkgIterator const &Pkg)
       {
         return (*Cache)[Pkg].CandidateVerIter(*Cache);
       }
@@ -58,21 +64,28 @@ class pkgSimulate : public pkgPackageManager
    
    Policy iPolicy;
    pkgDepCache Sim;
+   pkgDepCache::ActionGroup group;
    
    // The Actuall installation implementation
-   virtual bool Install(PkgIterator Pkg,string File);
+   virtual bool Install(PkgIterator Pkg,std::string File);
    virtual bool Configure(PkgIterator Pkg);
    virtual bool Remove(PkgIterator Pkg,bool Purge);
+
+private:
    void ShortBreaks();
-   void Describe(PkgIterator iPkg,ostream &out,bool Now);
+   void Describe(PkgIterator iPkg,std::ostream &out,bool Current,bool Candidate);
    
    public:
 
    pkgSimulate(pkgDepCache *Cache);
+   ~pkgSimulate();
 };
-
-class pkgProblemResolver
+                                                                       /*}}}*/
+class pkgProblemResolver                                               /*{{{*/
 {
+   /** \brief dpointer placeholder (for later in case we need it) */
+   void *d;
+
    pkgDepCache &Cache;
    typedef pkgCache::PkgIterator PkgIterator;
    typedef pkgCache::VerIterator VerIterator;
@@ -84,7 +97,7 @@ class pkgProblemResolver
    enum Flags {Protected = (1 << 0), PreInstalled = (1 << 1),
                Upgradable = (1 << 2), ReInstateTried = (1 << 3),
                ToRemove = (1 << 4)};
-   signed short *Scores;
+   int *Scores;
    unsigned char *Flags;
    bool Debug;
    
@@ -100,10 +113,16 @@ class pkgProblemResolver
 
    void MakeScores();
    bool DoUpgrade(pkgCache::PkgIterator Pkg);
+
+   bool ResolveInternal(bool const BrokenFix = false);
+   bool ResolveByKeepInternal();
    
+   protected:
+   bool InstOrNewPolicyBroken(pkgCache::PkgIterator Pkg);
+
    public:
    
-   inline void Protect(pkgCache::PkgIterator Pkg) {Flags[Pkg->ID] |= Protected;};
+   inline void Protect(pkgCache::PkgIterator Pkg) {Flags[Pkg->ID] |= Protected; Cache.MarkProtected(Pkg);};
    inline void Remove(pkgCache::PkgIterator Pkg) {Flags[Pkg->ID] |= ToRemove;};
    inline void Clear(pkgCache::PkgIterator Pkg) {Flags[Pkg->ID] &= ~(Protected | ToRemove);};
    
@@ -112,13 +131,14 @@ class pkgProblemResolver
    
    // Try to resolve problems only by using keep
    bool ResolveByKeep();
-   
+
+   // Install all protected packages   
    void InstallProtect();   
    
    pkgProblemResolver(pkgDepCache *Cache);
    ~pkgProblemResolver();
 };
-
+                                                                       /*}}}*/
 bool pkgDistUpgrade(pkgDepCache &Cache);
 bool pkgApplyStatus(pkgDepCache &Cache);
 bool pkgFixBroken(pkgDepCache &Cache);
@@ -126,5 +146,9 @@ bool pkgAllUpgrade(pkgDepCache &Cache);
 bool pkgMinimizeUpgrade(pkgDepCache &Cache);
 
 void pkgPrioSortList(pkgCache &Cache,pkgCache::Version **List);
-                    
+
+bool ListUpdate(pkgAcquireStatus &progress, pkgSourceList &List, int PulseInterval=0);
+bool AcquireUpdate(pkgAcquire &Fetcher, int const PulseInterval = 0,
+                  bool const RunUpdateScripts = true, bool const ListCleanup = true);
+
 #endif