// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: algorithms.h,v 1.7 1999/07/09 04:11:34 jgg Exp $
+// $Id: algorithms.h,v 1.10 2001/05/22 04:17:41 jgg Exp $
/* ######################################################################
Algorithms - A set of misc algorithms
##################################################################### */
/*}}}*/
-// Header section: pkglib
#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>
+#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,bool Purge);
+
+private:
void ShortBreaks();
+ void Describe(PkgIterator iPkg,ostream &out,bool Current,bool Candidate);
public:
- pkgSimulate(pkgDepCache &Cache);
+ pkgSimulate(pkgDepCache *Cache);
};
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);
// Try to resolve problems only by using keep
bool ResolveByKeep();
-
+
+ // Install all protected packages
void InstallProtect();
- pkgProblemResolver(pkgDepCache &Cache);
+ pkgProblemResolver(pkgDepCache *Cache);
+ ~pkgProblemResolver();
};
bool pkgDistUpgrade(pkgDepCache &Cache);
bool pkgAllUpgrade(pkgDepCache &Cache);
bool pkgMinimizeUpgrade(pkgDepCache &Cache);
+void pkgPrioSortList(pkgCache &Cache,pkgCache::Version **List);
+
#endif