X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/7ea4af9da25a802516461434b12a61e21743f960..2a49601f69e08f06fb2727d869d420daacdd09d5:/apt-pkg/cacheiterators.h diff --git a/apt-pkg/cacheiterators.h b/apt-pkg/cacheiterators.h index dfe5707e1..179a0e963 100644 --- a/apt-pkg/cacheiterators.h +++ b/apt-pkg/cacheiterators.h @@ -32,6 +32,7 @@ #include #include + // abstract Iterator template /*{{{*/ /* This template provides the very basic iterator methods we need to have for doing some walk-over-the-cache magic */ @@ -75,6 +76,12 @@ template 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) {}; @@ -90,7 +97,7 @@ class pkgCache::GrpIterator: public Iterator { protected: inline Group* OwnerPointer() const { - return Owner->GrpP; + return (Owner != 0) ? Owner->GrpP : 0; }; public: @@ -105,12 +112,15 @@ class pkgCache::GrpIterator: public Iterator { inline const char *Name() const {return S->Name == 0?0:Owner->StrP + S->Name;}; inline PkgIterator PackageList() const; - PkgIterator FindPkg(string Arch = "any") const; + PkgIterator FindPkg(std::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() const; + 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 @@ -128,7 +138,7 @@ class pkgCache::PkgIterator: public Iterator { protected: inline Package* OwnerPointer() const { - return Owner->PkgP; + return (Owner != 0) ? Owner->PkgP : 0; }; public: @@ -175,7 +185,7 @@ class pkgCache::PkgIterator: public Iterator { class pkgCache::VerIterator : public Iterator { protected: inline Version* OwnerPointer() const { - return Owner->VerP; + return (Owner != 0) ? Owner->VerP : 0; }; public: @@ -197,15 +207,10 @@ class pkgCache::VerIterator : public Iterator { 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;}; inline const char *Arch() const { - if(S->MultiArch == pkgCache::Version::All) + if ((S->MultiArch & pkgCache::Version::All) == pkgCache::Version::All) return "all"; return S->ParentPkg == 0?0:Owner->StrP + ParentPkg()->Arch; }; - inline const char *Arch(bool const pseudo) const { - if(pseudo == false) - return Arch(); - return S->ParentPkg == 0?0:Owner->StrP + ParentPkg()->Arch; - }; inline PkgIterator ParentPkg() const {return PkgIterator(*Owner,Owner->PkgP + S->ParentPkg);}; inline DescIterator DescriptionList() const; @@ -215,10 +220,9 @@ class pkgCache::VerIterator : public Iterator { inline VerFileIterator FileList() const; bool Downloadable() const; inline const char *PriorityType() const {return Owner->Priority(S->Priority);}; - string RelStr() const; + std::string RelStr() const; bool Automatic() const; - bool Pseudo() const; VerFileIterator NewestFile() const; inline VerIterator(pkgCache &Owner,Version *Trg = 0) : Iterator(Owner, Trg) { @@ -232,7 +236,7 @@ class pkgCache::VerIterator : public Iterator { class pkgCache::DescIterator : public Iterator { protected: inline Description* OwnerPointer() const { - return Owner->DescP; + return (Owner != 0) ? Owner->DescP : 0; }; public: @@ -261,7 +265,7 @@ class pkgCache::DepIterator : public Iterator { protected: inline Dependency* OwnerPointer() const { - return Owner->DepP; + return (Owner != 0) ? Owner->DepP : 0; }; public: @@ -278,12 +282,21 @@ class pkgCache::DepIterator : public Iterator { inline PkgIterator ParentPkg() const {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[S->ParentVer].ParentPkg);}; inline bool Reverse() const {return Type == DepRev;}; bool IsCritical() const; + bool IsNegative() const; + bool IsIgnorable(PrvIterator const &Prv) const; + bool IsIgnorable(PkgIterator const &Pkg) const; + bool IsMultiArchImplicit() const; + bool IsSatisfied(VerIterator const &Ver) const; + bool IsSatisfied(PrvIterator const &Prv) const; 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);}; + //Nice printable representation + friend std::ostream& operator <<(std::ostream& out, DepIterator D); + inline DepIterator(pkgCache &Owner, Dependency *Trg, Version* = 0) : Iterator(Owner, Trg), Type(DepVer) { if (S == 0) @@ -303,7 +316,7 @@ class pkgCache::PrvIterator : public Iterator { protected: inline Provides* OwnerPointer() const { - return Owner->ProvideP; + return (Owner != 0) ? Owner->ProvideP : 0; }; public: @@ -319,8 +332,9 @@ class pkgCache::PrvIterator : public Iterator { 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(), Type(PrvVer) {}; + bool IsMultiArchImplicit() const; + inline PrvIterator() : Iterator(), Type(PrvVer) {}; inline PrvIterator(pkgCache &Owner, Provides *Trg, Version*) : Iterator(Owner, Trg), Type(PrvVer) { if (S == 0) @@ -337,7 +351,7 @@ class pkgCache::PrvIterator : public Iterator { class pkgCache::PkgFileIterator : public Iterator { protected: inline PackageFile* OwnerPointer() const { - return Owner->PkgFileP; + return (Owner != 0) ? Owner->PkgFileP : 0; }; public: @@ -358,7 +372,7 @@ class pkgCache::PkgFileIterator : public Iterator inline const char *IndexType() const {return S->IndexType == 0?0:Owner->StrP + S->IndexType;}; bool IsOk(); - string RelStr(); + std::string RelStr(); // Constructors inline PkgFileIterator() : Iterator() {}; @@ -370,7 +384,7 @@ class pkgCache::PkgFileIterator : public Iterator class pkgCache::VerFileIterator : public pkgCache::Iterator { protected: inline VerFile* OwnerPointer() const { - return Owner->VerFileP; + return (Owner != 0) ? Owner->VerFileP : 0; }; public: @@ -389,7 +403,7 @@ class pkgCache::VerFileIterator : public pkgCache::Iterator { protected: inline DescFile* OwnerPointer() const { - return Owner->DescFileP; + return (Owner != 0) ? Owner->DescFileP : 0; }; public: