diff options
author | David Kalnischkies <kalnischkies@gmail.com> | 2010-05-31 20:00:16 +0200 |
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committer | David Kalnischkies <kalnischkies@gmail.com> | 2010-05-31 20:00:16 +0200 |
commit | bd2fb30a8647293f80b085d0308e66bb9219e662 (patch) | |
tree | 57b557e653984d2d7fcb38fc60d75220f9712b14 /apt-pkg | |
parent | 093e9f5d30f37164dd28d639fedfb059e105e43e (diff) |
* apt-pkg/pkgcache.cc:
- get the best matching arch package from a group with FindPreferredPkg
Diffstat (limited to 'apt-pkg')
-rw-r--r-- | apt-pkg/cacheiterators.h | 5 | ||||
-rw-r--r-- | apt-pkg/pkgcache.cc | 19 |
2 files changed, 24 insertions, 0 deletions
diff --git a/apt-pkg/cacheiterators.h b/apt-pkg/cacheiterators.h index ee852f594..e5b23a818 100644 --- a/apt-pkg/cacheiterators.h +++ b/apt-pkg/cacheiterators.h @@ -104,6 +104,11 @@ 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"); + /** \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); // Constructors diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc index a59a06d65..adaae9c89 100644 --- a/apt-pkg/pkgcache.cc +++ b/apt-pkg/pkgcache.cc @@ -343,6 +343,25 @@ pkgCache::PkgIterator pkgCache::GrpIterator::FindPkg(string Arch) { return PkgIterator(*Owner, 0); } /*}}}*/ +// GrpIterator::FindPreferredPkg - Locate the "best" package /*{{{*/ +// --------------------------------------------------------------------- +/* Returns an End-Pointer on error, pointer to the package otherwise */ +pkgCache::PkgIterator pkgCache::GrpIterator::FindPreferredPkg() { + pkgCache::PkgIterator Pkg = FindPkg("native"); + if (Pkg.end() == false) + return Pkg; + + std::vector<std::string> const archs = APT::Configuration::getArchitectures(); + for (std::vector<std::string>::const_iterator a = archs.begin(); + a != archs.end(); ++a) { + Pkg = FindPkg(*a); + if (Pkg.end() == false) + return Pkg; + } + + return PkgIterator(*Owner, 0); +} + /*}}}*/ // GrpIterator::NextPkg - Locate the next package in the group /*{{{*/ // --------------------------------------------------------------------- /* Returns an End-Pointer on error, pointer to the package otherwise. |