// -*- mode: c++; mode: fold -*-
// Description /*{{{*/
-// $Id: depcache.h,v 1.14 2001/02/20 07:03:17 jgg Exp $
/* ######################################################################
DepCache - Dependency Extension data for the cache
*
* \return \b false if an error occurred.
*/
- APT_HIDDEN bool MarkRequired(InRootSetFunc &rootFunc);
+ bool MarkRequired(InRootSetFunc &rootFunc);
/** \brief Set the StateCache::Garbage flag on all packages that
* should be removed.
*
* \return \b false if an error occurred.
*/
- APT_HIDDEN bool Sweep();
+ bool Sweep();
public:
*/
class ActionGroup
{
+ void * const d;
pkgDepCache &cache;
bool released;
* As long as this object exists, no automatic cleanup
* operations will be undertaken.
*/
- ActionGroup(pkgDepCache &cache);
+ explicit ActionGroup(pkgDepCache &cache);
/** \brief Clean up the action group before it is destroyed.
*
* If this is the last action group, the automatic cache
* cleanup operations will be undertaken.
*/
- ~ActionGroup();
+ virtual ~ActionGroup();
};
/** \brief Returns \b true for packages matching a regular
DefaultRootSetFunc() : Configuration::MatchAgainstConfig("APT::NeverAutoRemove") {};
virtual ~DefaultRootSetFunc() {};
- bool InRootSet(const pkgCache::PkgIterator &pkg) { return pkg.end() == false && Match(pkg.Name()); };
+ bool InRootSet(const pkgCache::PkgIterator &pkg) APT_OVERRIDE { return pkg.end() == false && Match(pkg.Name()); };
};
struct StateCache
inline bool Keep() const {return Mode == ModeKeep;};
inline bool Protect() const {return (iFlags & Protected) == Protected;};
inline bool Upgrade() const {return Status > 0 && Mode == ModeInstall;};
- inline bool Upgradable() const {return Status >= 1;};
+ inline bool Upgradable() const {return Status >= 1 && CandidateVer != NULL;};
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;};
// Helper functions
void BuildGroupOrs(VerIterator const &V);
- void UpdateVerState(PkgIterator Pkg);
+ void UpdateVerState(PkgIterator const &Pkg);
// User Policy control
class Policy
}
virtual VerIterator GetCandidateVer(PkgIterator const &Pkg);
- virtual bool IsImportantDep(DepIterator const &Dep);
+ virtual bool IsImportantDep(DepIterator const &Dep) const;
virtual signed short GetPriority(PkgIterator const &Pkg);
+ virtual signed short GetPriority(VerIterator const &Ver, bool ConsiderFiles=true);
virtual signed short GetPriority(PkgFileIterator const &File);
virtual ~Policy() {};
Policy *LocalPolicy;
// Check for a matching provides
- bool CheckDep(DepIterator Dep,int Type,PkgIterator &Res);
- inline bool CheckDep(DepIterator Dep,int Type)
+ bool CheckDep(DepIterator const &Dep,int const Type,PkgIterator &Res);
+ inline bool CheckDep(DepIterator const &Dep,int const Type)
{
PkgIterator Res(*this,0);
return CheckDep(Dep,Type,Res);
}
// Computes state information for deps and versions (w/o storing)
- unsigned char DependencyState(DepIterator &D);
- unsigned char VersionState(DepIterator D,unsigned char Check,
- unsigned char SetMin,
- unsigned char SetPolicy);
+ unsigned char DependencyState(DepIterator const &D);
+ unsigned char VersionState(DepIterator D,unsigned char const Check,
+ unsigned char const SetMin,
+ unsigned char const SetPolicy) const;
// Recalculates various portions of the cache, call after changing something
void Update(DepIterator Dep); // Mostly internal
inline pkgCache &GetCache() {return *Cache;};
inline pkgVersioningSystem &VS() {return *Cache->VS;};
-
+
// Policy implementation
- inline VerIterator GetCandidateVer(PkgIterator const &Pkg) {return LocalPolicy->GetCandidateVer(Pkg);};
- inline bool IsImportantDep(DepIterator Dep) {return LocalPolicy->IsImportantDep(Dep);};
+ APT_DEPRECATED inline VerIterator GetCandidateVer(PkgIterator const &Pkg) {return /* GetCandidateVersion(Pkg); but for API compat: */ LocalPolicy->GetCandidateVer(Pkg);};
+
+ inline bool IsImportantDep(DepIterator Dep) const {return LocalPolicy->IsImportantDep(Dep);};
inline Policy &GetPolicy() {return *LocalPolicy;};
// Accessors
* \param rootFunc A predicate that returns \b true for packages
* that should be added to the root set.
*/
- bool MarkAndSweep(InRootSetFunc &rootFunc)
- {
- return MarkRequired(rootFunc) && Sweep();
- }
-
- bool MarkAndSweep()
- {
- std::auto_ptr<InRootSetFunc> f(GetRootSetFunc());
- if(f.get() != NULL)
- return MarkAndSweep(*f.get());
- else
- return false;
- }
+ bool MarkAndSweep(InRootSetFunc &rootFunc);
+ bool MarkAndSweep();
/** \name State Manipulators
*/
void MarkProtected(PkgIterator const &Pkg) { PkgState[Pkg->ID].iFlags |= Protected; };
void SetReInstall(PkgIterator const &Pkg,bool To);
+
+ /** @return 'the' candidate version of a package
+ *
+ * The version returned is the version previously set explicitly via
+ * SetCandidate* methods like #SetCandidateVersion or if there wasn't one
+ * set the version as chosen via #Policy.
+ *
+ * @param Pkg is the package to return the candidate for
+ */
+ pkgCache::VerIterator GetCandidateVersion(pkgCache::PkgIterator const &Pkg);
void SetCandidateVersion(VerIterator TargetVer);
bool SetCandidateRelease(pkgCache::VerIterator TargetVer,
std::string const &TargetRel);
unsigned long Depth = 0, bool FromUser = true);
// read persistent states
- bool readStateFile(OpProgress *prog);
- bool writeStateFile(OpProgress *prog, bool InstalledOnly=true);
+ bool readStateFile(OpProgress * const prog);
+ bool writeStateFile(OpProgress * const prog, bool const InstalledOnly=true);
// Size queries
inline signed long long UsrSize() {return iUsrSize;};
inline unsigned long PolicyBrokenCount() {return iPolicyBrokenCount;};
inline unsigned long BadCount() {return iBadCount;};
- bool Init(OpProgress *Prog);
+ bool Init(OpProgress * const Prog);
// Generate all state information
- void Update(OpProgress *Prog = 0);
+ void Update(OpProgress * const Prog = 0);
- pkgDepCache(pkgCache *Cache,Policy *Plcy = 0);
+ pkgDepCache(pkgCache * const Cache,Policy * const Plcy = 0);
virtual ~pkgDepCache();
protected:
bool const rPurge, unsigned long const Depth, bool const FromUser);
private:
+ void * const d;
+
APT_HIDDEN bool IsModeChangeOk(ModeList const mode, PkgIterator const &Pkg,
unsigned long const Depth, bool const FromUser);
};
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