improve the API for Upgrade()

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

diff --git a/apt-pkg/algorithms.h b/apt-pkg/algorithms.h
index b72874d8e216687c4edfd0474008f730b71b7b16..9ff84e3ffd4781031e0c958085431eef122344e0 100644 (file)
--- a/apt-pkg/algorithms.h
+++ b/apt-pkg/algorithms.h
@@ -36,9 +36,25 @@
 
 #include <iostream>
 
+#include <apt-pkg/macros.h>
+
+#ifndef APT_8_CLEANER_HEADERS
+#include <apt-pkg/acquire.h>
 using std::ostream;
+#endif
+
+class pkgAcquireStatus;
 
-class pkgSimulate : public pkgPackageManager
+namespace APT {
+   namespace Upgrade {
+      enum UpgradeMode {NO_INSTALL_OR_REMOVE,
+                        ALLOW_NEW_INSTALLS,
+                        ALLOW_REMOVAL_AND_NEW_INSTALLS};
+      bool Upgrade(pkgDepCache &Cache, UpgradeMode mode);
+   }
+}
+
+class pkgSimulate : public pkgPackageManager                           /*{{{*/
 {
    protected:
 
@@ -47,7 +63,7 @@ class pkgSimulate : public pkgPackageManager
       pkgDepCache *Cache;
       public:
       
-      virtual VerIterator GetCandidateVer(PkgIterator Pkg)
+      virtual VerIterator GetCandidateVer(PkgIterator const &Pkg)
       {
         return (*Cache)[Pkg].CandidateVerIter(*Cache);
       }
@@ -59,23 +75,29 @@ 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 Current,bool Candidate);
+   void Describe(PkgIterator iPkg,std::ostream &out,bool Current,bool Candidate);
    
    public:
 
    pkgSimulate(pkgDepCache *Cache);
+   ~pkgSimulate();
 };
-
-class pkgProblemResolver
+                                                                       /*}}}*/
+class pkgProblemResolver                                               /*{{{*/
 {
+ private:
+   /** \brief dpointer placeholder (for later in case we need it) */
+   void *d;
+
    pkgDepCache &Cache;
    typedef pkgCache::PkgIterator PkgIterator;
    typedef pkgCache::VerIterator VerIterator;
@@ -87,7 +109,7 @@ 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;
    
@@ -103,10 +125,16 @@ 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);};
    
@@ -116,19 +144,24 @@ class pkgProblemResolver
    // Try to resolve problems only by using keep
    bool ResolveByKeep();
 
-   // Install all protected packages   
-   void InstallProtect();   
-   
+   __deprecated void InstallProtect();
+
    pkgProblemResolver(pkgDepCache *Cache);
    ~pkgProblemResolver();
 };
-
+                                                                       /*}}}*/
 bool pkgDistUpgrade(pkgDepCache &Cache);
 bool pkgApplyStatus(pkgDepCache &Cache);
 bool pkgFixBroken(pkgDepCache &Cache);
+
 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