diff options
Diffstat (limited to 'apt-pkg/cacheiterators.h')
-rw-r--r-- | apt-pkg/cacheiterators.h | 37 |
1 files changed, 34 insertions, 3 deletions
diff --git a/apt-pkg/cacheiterators.h b/apt-pkg/cacheiterators.h index 1da5c6f02..35d3aa228 100644 --- a/apt-pkg/cacheiterators.h +++ b/apt-pkg/cacheiterators.h @@ -31,10 +31,8 @@ #define PKGLIB_CACHEITERATORS_H // abstract Iterator template /*{{{*/ /* This template provides the very basic iterator methods we - need to have for doing some walk-over-the-cache magic, */ + need to have for doing some walk-over-the-cache magic */ template<typename Str, typename Itr> class pkgCache::Iterator { - __attribute__ ((deprecated)) void _dummy(); // FIXME: Who on earth uses this method ??? - protected: Str *S; pkgCache *Owner; @@ -77,6 +75,35 @@ template<typename Str, typename Itr> class pkgCache::Iterator { inline Iterator(pkgCache &Owner,Str *T = 0) : S(T), Owner(&Owner) {}; }; /*}}}*/ +// Group Iterator /*{{{*/ +/* Packages with the same name are collected in a Group so someone only + interest in package names can iterate easily over the names, so the + different architectures can be treated as of the "same" package + (apt internally treat them as totally different packages) */ +class pkgCache::GrpIterator: public Iterator<Group, GrpIterator> { + protected: + inline Group* OwnerPointer() const { + return Owner->GrpP; + }; + + public: + void operator ++(int) {if (S != Owner->GrpP) S = Owner->GrpP + S->Next;}; + virtual void operator ++() {operator ++(0);}; + + inline const char *Name() const {return S->Name == 0?0:Owner->StrP + S->Name;}; + inline PkgIterator PackageList() const; + PkgIterator FindPkg(string Arch = "any"); + PkgIterator NextPkg(PkgIterator const &Pkg); + + // Constructors + inline GrpIterator(pkgCache &Owner, Group *Trg) : Iterator<Group, GrpIterator>(Owner, Trg) { + if (S == 0) + S = OwnerPointer(); + }; + inline GrpIterator() : Iterator<Group, GrpIterator>() {}; + +}; + /*}}}*/ // Package Iterator /*{{{*/ class pkgCache::PkgIterator: public Iterator<Package, PkgIterator> { long HashIndex; @@ -103,6 +130,8 @@ class pkgCache::PkgIterator: public Iterator<Package, PkgIterator> { inline const char *Section() const {return S->Section == 0?0:Owner->StrP + S->Section;}; 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;}; + inline GrpIterator Group() const { return GrpIterator(*Owner, Owner->GrpP + S->Group);}; inline VerIterator VersionList() const; inline VerIterator CurrentVer() const; @@ -339,6 +368,8 @@ class pkgCache::DescFileIterator : public Iterator<DescFile, DescFileIterator> { }; /*}}}*/ // Inlined Begin functions cant be in the class because of order problems /*{{{*/ +inline pkgCache::PkgIterator pkgCache::GrpIterator::PackageList() const + {return PkgIterator(*Owner,Owner->PkgP + S->FirstPackage);}; inline pkgCache::VerIterator pkgCache::PkgIterator::VersionList() const {return VerIterator(*Owner,Owner->VerP + S->VersionList);}; inline pkgCache::VerIterator pkgCache::PkgIterator::CurrentVer() const |