]> git.saurik.com Git - apt.git/blobdiff - apt-pkg/cacheiterators.h
allow all dpkg selections to be set via apt-mark and libapt
[apt.git] / apt-pkg / cacheiterators.h
index 06deef9509724b80281fe29e3be6ac79e84fb5fe..887d2e691e6605e069f2f1480f4246ad0403d80f 100644 (file)
@@ -157,11 +157,7 @@ class pkgCache::PkgIterator: public Iterator<Package, PkgIterator> {
        inline const char *Name() const { return Group().Name(); }
        // Versions have sections - and packages can have different versions with different sections
        // so this interface is broken by design. Run as fast as you can to Version.Section().
-       APT_DEPRECATED inline const char *Section() const {
-          APT_IGNORE_DEPRECATED_PUSH
-          return S->Section == 0?0:Owner->StrP + S->Section;
-          APT_IGNORE_DEPRECATED_POP
-       }
+       APT_DEPRECATED inline const char *Section() const;
        inline bool Purge() const {return S->CurrentState == pkgCache::State::Purge ||
                (S->CurrentVer == 0 && S->CurrentState == pkgCache::State::NotInstalled);}
        inline const char *Arch() const {return S->Arch == 0?0:Owner->StrP + S->Arch;}
@@ -211,14 +207,12 @@ class pkgCache::VerIterator : public Iterator<Version, VerIterator> {
        // Accessors
        inline const char *VerStr() const {return S->VerStr == 0?0:Owner->StrP + S->VerStr;}
        inline const char *Section() const {return S->Section == 0?0:Owner->StrP + S->Section;}
-#if APT_PKG_ABI >= 413
        /** \brief source package name this version comes from
           Always contains the name, even if it is the same as the binary name */
        inline const char *SourcePkgName() const {return Owner->StrP + S->SourcePkgName;}
        /** \brief source version this version comes from
           Always contains the version string, even if it is the same as the binary version */
        inline const char *SourceVerStr() const {return Owner->StrP + S->SourceVerStr;}
-#endif
        inline const char *Arch() const {
                if ((S->MultiArch & pkgCache::Version::All) == pkgCache::Version::All)
                        return "all";
@@ -275,6 +269,7 @@ class pkgCache::DescIterator : public Iterator<Description, DescIterator> {
 // Dependency iterator                                                 /*{{{*/
 class pkgCache::DepIterator : public Iterator<Dependency, DepIterator> {
        enum {DepVer, DepRev} Type;
+       DependencyData * S2;
 
        public:
        inline Dependency* OwnerPointer() const {
@@ -282,13 +277,12 @@ class pkgCache::DepIterator : public Iterator<Dependency, DepIterator> {
        }
 
        // Iteration
-       inline DepIterator& operator++() {if (S != Owner->DepP) S = Owner->DepP +
-               (Type == DepVer ? S->NextDepends : S->NextRevDepends); return *this;}
+       DepIterator& operator++();
        inline DepIterator operator++(int) { DepIterator const tmp(*this); operator++(); return tmp; }
 
        // Accessors
-       inline const char *TargetVer() const {return S->Version == 0?0:Owner->StrP + S->Version;}
-       inline PkgIterator TargetPkg() const {return PkgIterator(*Owner,Owner->PkgP + S->Package);}
+       inline const char *TargetVer() const {return S2->Version == 0?0:Owner->StrP + S2->Version;}
+       inline PkgIterator TargetPkg() const {return PkgIterator(*Owner,Owner->PkgP + S2->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);}
@@ -297,29 +291,64 @@ class pkgCache::DepIterator : public Iterator<Dependency, DepIterator> {
        bool IsNegative() const APT_PURE;
        bool IsIgnorable(PrvIterator const &Prv) const APT_PURE;
        bool IsIgnorable(PkgIterator const &Pkg) const APT_PURE;
-       bool IsMultiArchImplicit() const APT_PURE;
+       /* MultiArch can be translated to SingleArch for an resolver and we did so,
+          by adding dependencies to help the resolver understand the problem, but
+          sometimes it is needed to identify these to ignore them… */
+       inline bool IsMultiArchImplicit() const APT_PURE {
+               return (S2->CompareOp & pkgCache::Dep::MultiArchImplicit) == pkgCache::Dep::MultiArchImplicit;
+       }
+       /* This covers additionally negative dependencies, which aren't arch-specific,
+          but change architecture nonetheless as a Conflicts: foo does applies for all archs */
+       bool IsImplicit() const APT_PURE;
+
        bool IsSatisfied(VerIterator const &Ver) const APT_PURE;
        bool IsSatisfied(PrvIterator const &Prv) const APT_PURE;
        void GlobOr(DepIterator &Start,DepIterator &End);
        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);}
+       inline const char *CompType() const {return Owner->CompType(S2->CompareOp);}
+       inline const char *DepType() const {return Owner->DepType(S2->Type);}
+
+       // overrides because we are special
+       struct DependencyProxy
+       {
+          map_stringitem_t &Version;
+          map_pointer_t &Package;
+          map_id_t &ID;
+          unsigned char &Type;
+          unsigned char &CompareOp;
+          map_pointer_t &ParentVer;
+          map_pointer_t &DependencyData;
+          map_pointer_t &NextRevDepends;
+          map_pointer_t &NextDepends;
+          map_pointer_t &NextData;
+          DependencyProxy const * operator->() const { return this; }
+          DependencyProxy * operator->() { return this; }
+       };
+       inline DependencyProxy operator->() const {return (DependencyProxy) { S2->Version, S2->Package, S->ID, S2->Type, S2->CompareOp, S->ParentVer, S->DependencyData, S->NextRevDepends, S->NextDepends, S2->NextData };}
+       inline DependencyProxy operator->() {return (DependencyProxy) { S2->Version, S2->Package, S->ID, S2->Type, S2->CompareOp, S->ParentVer, S->DependencyData, S->NextRevDepends, S->NextDepends, S2->NextData };}
+       void ReMap(void const * const oldMap, void const * const newMap)
+       {
+               Iterator<Dependency, DepIterator>::ReMap(oldMap, newMap);
+               if (Owner == 0 || S == 0 || S2 == 0)
+                       return;
+               S2 += (DependencyData const * const)(newMap) - (DependencyData const * const)(oldMap);
+       }
 
        //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) {
+               Iterator<Dependency, DepIterator>(Owner, Trg), Type(DepVer), S2(Trg == 0 ? Owner.DepDataP : (Owner.DepDataP + Trg->DependencyData)) {
                if (S == 0)
                        S = Owner.DepP;
        }
        inline DepIterator(pkgCache &Owner, Dependency *Trg, Package*) :
-               Iterator<Dependency, DepIterator>(Owner, Trg), Type(DepRev) {
+               Iterator<Dependency, DepIterator>(Owner, Trg), Type(DepRev), S2(Trg == 0 ? Owner.DepDataP : (Owner.DepDataP + Trg->DependencyData)) {
                if (S == 0)
                        S = Owner.DepP;
        }
-       inline DepIterator() : Iterator<Dependency, DepIterator>(), Type(DepVer) {}
+       inline DepIterator() : Iterator<Dependency, DepIterator>(), Type(DepVer), S2(0) {}
 };
                                                                        /*}}}*/
 // Provides iterator                                                   /*{{{*/
@@ -343,7 +372,12 @@ class pkgCache::PrvIterator : public Iterator<Provides, PrvIterator> {
        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);}
 
-       bool IsMultiArchImplicit() const APT_PURE;
+       /* MultiArch can be translated to SingleArch for an resolver and we did so,
+          by adding provides to help the resolver understand the problem, but
+          sometimes it is needed to identify these to ignore them… */
+       bool IsMultiArchImplicit() const APT_PURE
+       { return (S->Flags & pkgCache::Flag::MultiArchImplicit) == pkgCache::Flag::MultiArchImplicit; }
+
 
        inline PrvIterator() : Iterator<Provides, PrvIterator>(), Type(PrvVer) {}
        inline PrvIterator(pkgCache &Owner, Provides *Trg, Version*) :
@@ -480,5 +514,7 @@ inline pkgCache::VerFileIterator pkgCache::VerIterator::FileList() const
        {return VerFileIterator(*Owner,Owner->VerFileP + S->FileList);}
 inline pkgCache::DescFileIterator pkgCache::DescIterator::FileList() const
        {return DescFileIterator(*Owner,Owner->DescFileP + S->FileList);}
+APT_DEPRECATED inline const char * pkgCache::PkgIterator::Section() const
+       {return S->VersionList == 0 ? 0 : VersionList().Section();}
                                                                        /*}}}*/
 #endif