]> git.saurik.com Git - apt.git/blobdiff - apt-pkg/cacheiterators.h
cleanup the debian/rules file a bit
[apt.git] / apt-pkg / cacheiterators.h
index 51bf6819e1476296ff927b860fe4fc3f050c7854..26070636e33ddbfc72af418d0e064bde06f99aeb 100644 (file)
@@ -75,6 +75,12 @@ template<typename Str, typename Itr> class pkgCache::Iterator :
        inline bool IsGood() const { return S && Owner && ! end();};
        inline unsigned long Index() const {return S - OwnerPointer();};
 
+       void ReMap(void const * const oldMap, void const * const newMap) {
+               if (Owner == 0 || S == 0)
+                       return;
+               S += (Str*)(newMap) - (Str*)(oldMap);
+       }
+
        // Constructors - look out for the variable assigning
        inline Iterator() : S(0), Owner(0) {};
        inline Iterator(pkgCache &Owner,Str *T = 0) : S(T), Owner(&Owner) {};
@@ -105,13 +111,16 @@ class pkgCache::GrpIterator: public Iterator<Group, GrpIterator> {
 
        inline const char *Name() const {return S->Name == 0?0:Owner->StrP + S->Name;};
        inline PkgIterator PackageList() const;
-       PkgIterator FindPkg(string Arch = "any");
+       PkgIterator FindPkg(string Arch = "any") const;
        /** \brief find the package with the "best" architecture
 
            The best architecture is either the "native" or the first
-           in the list of Architectures which is not an end-Pointer */
-       PkgIterator FindPreferredPkg();
-       PkgIterator NextPkg(PkgIterator const &Pkg);
+           in the list of Architectures which is not an end-Pointer
+
+           \param PreferNonVirtual tries to respond with a non-virtual package
+                  and only if this fails returns the best virtual package */
+       PkgIterator FindPreferredPkg(bool const &PreferNonVirtual = true) const;
+       PkgIterator NextPkg(PkgIterator const &Pkg) const;
 
        // Constructors
        inline GrpIterator(pkgCache &Owner, Group *Trg) : Iterator<Group, GrpIterator>(Owner, Trg), HashIndex(0) {
@@ -272,17 +281,20 @@ class pkgCache::DepIterator : public Iterator<Dependency, DepIterator> {
 
        // Accessors
        inline const char *TargetVer() const {return S->Version == 0?0:Owner->StrP + S->Version;};
-       inline PkgIterator TargetPkg() {return PkgIterator(*Owner,Owner->PkgP + S->Package);};
-       inline PkgIterator SmartTargetPkg() {PkgIterator R(*Owner,0);SmartTargetPkg(R);return R;};
-       inline VerIterator ParentVer() {return VerIterator(*Owner,Owner->VerP + S->ParentVer);};
-       inline PkgIterator ParentPkg() {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[S->ParentVer].ParentPkg);};
-       inline bool Reverse() {return Type == DepRev;};
-       bool IsCritical();
+       inline PkgIterator TargetPkg() const {return PkgIterator(*Owner,Owner->PkgP + S->Package);};
+       inline PkgIterator SmartTargetPkg() const {PkgIterator R(*Owner,0);SmartTargetPkg(R);return R;};
+       inline VerIterator ParentVer() const {return VerIterator(*Owner,Owner->VerP + S->ParentVer);};
+       inline PkgIterator ParentPkg() const {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[S->ParentVer].ParentPkg);};
+       inline bool Reverse() const {return Type == DepRev;};
+       bool IsCritical() const;
        void GlobOr(DepIterator &Start,DepIterator &End);
-       Version **AllTargets();
-       bool SmartTargetPkg(PkgIterator &Result);
-       inline const char *CompType() {return Owner->CompType(S->CompareOp);};
-       inline const char *DepType() {return Owner->DepType(S->Type);};
+       Version **AllTargets() const;
+       bool SmartTargetPkg(PkgIterator &Result) const;
+       inline const char *CompType() const {return Owner->CompType(S->CompareOp);};
+       inline const char *DepType() const {return Owner->DepType(S->Type);};
+
+       //Nice printable representation
+       friend std::ostream& operator <<(std::ostream& out, DepIterator D);
 
        inline DepIterator(pkgCache &Owner, Dependency *Trg, Version* = 0) :
                Iterator<Dependency, DepIterator>(Owner, Trg), Type(DepVer) {
@@ -315,9 +327,9 @@ class pkgCache::PrvIterator : public Iterator<Provides, PrvIterator> {
        // Accessors
        inline const char *Name() const {return Owner->StrP + Owner->PkgP[S->ParentPkg].Name;};
        inline const char *ProvideVersion() const {return S->ProvideVersion == 0?0:Owner->StrP + S->ProvideVersion;};
-       inline PkgIterator ParentPkg() {return PkgIterator(*Owner,Owner->PkgP + S->ParentPkg);};
-       inline VerIterator OwnerVer() {return VerIterator(*Owner,Owner->VerP + S->Version);};
-       inline PkgIterator OwnerPkg() {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[S->Version].ParentPkg);};
+       inline PkgIterator ParentPkg() const {return PkgIterator(*Owner,Owner->PkgP + S->ParentPkg);};
+       inline VerIterator OwnerVer() const {return VerIterator(*Owner,Owner->VerP + S->Version);};
+       inline PkgIterator OwnerPkg() const {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[S->Version].ParentPkg);};
 
        inline PrvIterator() : Iterator<Provides, PrvIterator>(), Type(PrvVer) {};