diff options
Diffstat (limited to 'apt-private/private-cacheset.h')
| -rw-r--r-- | apt-private/private-cacheset.h | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/apt-private/private-cacheset.h b/apt-private/private-cacheset.h new file mode 100644 index 000000000..15b531e9d --- /dev/null +++ b/apt-private/private-cacheset.h @@ -0,0 +1,265 @@ +#ifndef APT_PRIVATE_CACHESET_H +#define APT_PRIVATE_CACHESET_H + +#include <apt-pkg/cachefile.h> +#include <apt-pkg/cacheset.h> +#include <apt-pkg/sptr.h> + +#include <algorithm> +#include <vector> + +#include "private-output.h" + +#include <apti18n.h> + +struct VersionSortDescriptionLocality +{ + bool operator () (const pkgCache::VerIterator &v_lhs, + const pkgCache::VerIterator &v_rhs) + { + pkgCache::DescFile *A = v_lhs.TranslatedDescription().FileList(); + pkgCache::DescFile *B = v_rhs.TranslatedDescription().FileList(); + if (A == 0 && B == 0) + return false; + + if (A == 0) + return true; + + if (B == 0) + return false; + + if (A->File == B->File) + return A->Offset < B->Offset; + + return A->File < B->File; + } +}; + +// sorted by locality which makes iterating much faster +typedef APT::VersionContainer< + std::set<pkgCache::VerIterator, + VersionSortDescriptionLocality> > LocalitySortedVersionSet; + +class Matcher { +public: + virtual bool operator () (const pkgCache::PkgIterator &P) { + return true;}; +}; + +// FIXME: add default argument for OpProgress (or overloaded function) +bool GetLocalitySortedVersionSet(pkgCacheFile &CacheFile, + LocalitySortedVersionSet &output_set, + Matcher &matcher, + OpProgress &progress); +bool GetLocalitySortedVersionSet(pkgCacheFile &CacheFile, + LocalitySortedVersionSet &output_set, + OpProgress &progress); + + +// CacheSetHelper saving virtual packages /*{{{*/ +class CacheSetHelperVirtuals: public APT::CacheSetHelper { +public: + APT::PackageSet virtualPkgs; + + virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) { + virtualPkgs.insert(Pkg); + return CacheSetHelper::canNotFindCandidateVer(Cache, Pkg); + } + + virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) { + virtualPkgs.insert(Pkg); + return CacheSetHelper::canNotFindNewestVer(Cache, Pkg); + } + + virtual void canNotFindAllVer(APT::VersionContainerInterface * vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) { + virtualPkgs.insert(Pkg); + CacheSetHelper::canNotFindAllVer(vci, Cache, Pkg); + } + + CacheSetHelperVirtuals(bool const ShowErrors = true, GlobalError::MsgType const &ErrorType = GlobalError::NOTICE) : CacheSetHelper(ShowErrors, ErrorType) {} +}; + /*}}}*/ + +// CacheSetHelperAPTGet - responsible for message telling from the CacheSets/*{{{*/ +class CacheSetHelperAPTGet : public APT::CacheSetHelper { + /** \brief stream message should be printed to */ + std::ostream &out; + /** \brief were things like Task or RegEx used to select packages? */ + bool explicitlyNamed; + + APT::PackageSet virtualPkgs; + +public: + std::list<std::pair<pkgCache::VerIterator, std::string> > selectedByRelease; + + CacheSetHelperAPTGet(std::ostream &out) : APT::CacheSetHelper(true), out(out) { + explicitlyNamed = true; + } + + virtual void showTaskSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) { + ioprintf(out, _("Note, selecting '%s' for task '%s'\n"), + Pkg.FullName(true).c_str(), pattern.c_str()); + explicitlyNamed = false; + } + virtual void showRegExSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) { + ioprintf(out, _("Note, selecting '%s' for regex '%s'\n"), + Pkg.FullName(true).c_str(), pattern.c_str()); + explicitlyNamed = false; + } + virtual void showSelectedVersion(pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const Ver, + std::string const &ver, bool const verIsRel) { + if (ver == Ver.VerStr()) + return; + selectedByRelease.push_back(make_pair(Ver, ver)); + } + + bool showVirtualPackageErrors(pkgCacheFile &Cache) { + if (virtualPkgs.empty() == true) + return true; + for (APT::PackageSet::const_iterator Pkg = virtualPkgs.begin(); + Pkg != virtualPkgs.end(); ++Pkg) { + if (Pkg->ProvidesList != 0) { + ioprintf(c1out,_("Package %s is a virtual package provided by:\n"), + Pkg.FullName(true).c_str()); + + pkgCache::PrvIterator I = Pkg.ProvidesList(); + unsigned short provider = 0; + for (; I.end() == false; ++I) { + pkgCache::PkgIterator Pkg = I.OwnerPkg(); + + if (Cache[Pkg].CandidateVerIter(Cache) == I.OwnerVer()) { + c1out << " " << Pkg.FullName(true) << " " << I.OwnerVer().VerStr(); + if (Cache[Pkg].Install() == true && Cache[Pkg].NewInstall() == false) + c1out << _(" [Installed]"); + c1out << std::endl; + ++provider; + } + } + // if we found no candidate which provide this package, show non-candidates + if (provider == 0) + for (I = Pkg.ProvidesList(); I.end() == false; ++I) + c1out << " " << I.OwnerPkg().FullName(true) << " " << I.OwnerVer().VerStr() + << _(" [Not candidate version]") << std::endl; + else + out << _("You should explicitly select one to install.") << std::endl; + } else { + ioprintf(c1out, + _("Package %s is not available, but is referred to by another package.\n" + "This may mean that the package is missing, has been obsoleted, or\n" + "is only available from another source\n"),Pkg.FullName(true).c_str()); + + std::string List; + std::string VersionsList; + SPtrArray<bool> Seen = new bool[Cache.GetPkgCache()->Head().PackageCount]; + memset(Seen,0,Cache.GetPkgCache()->Head().PackageCount*sizeof(*Seen)); + for (pkgCache::DepIterator Dep = Pkg.RevDependsList(); + Dep.end() == false; ++Dep) { + if (Dep->Type != pkgCache::Dep::Replaces) + continue; + if (Seen[Dep.ParentPkg()->ID] == true) + continue; + Seen[Dep.ParentPkg()->ID] = true; + List += Dep.ParentPkg().FullName(true) + " "; + //VersionsList += std::string(Dep.ParentPkg().CurVersion) + "\n"; ??? + } + ShowList(c1out,_("However the following packages replace it:"),List,VersionsList); + } + c1out << std::endl; + } + return false; + } + + virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) { + APT::VersionSet const verset = tryVirtualPackage(Cache, Pkg, APT::VersionSet::CANDIDATE); + if (verset.empty() == false) + return *(verset.begin()); + else if (ShowError == true) { + _error->Error(_("Package '%s' has no installation candidate"),Pkg.FullName(true).c_str()); + virtualPkgs.insert(Pkg); + } + return pkgCache::VerIterator(Cache, 0); + } + + virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) { + if (Pkg->ProvidesList != 0) + { + APT::VersionSet const verset = tryVirtualPackage(Cache, Pkg, APT::VersionSet::NEWEST); + if (verset.empty() == false) + return *(verset.begin()); + if (ShowError == true) + ioprintf(out, _("Virtual packages like '%s' can't be removed\n"), Pkg.FullName(true).c_str()); + } + else + { + pkgCache::GrpIterator Grp = Pkg.Group(); + pkgCache::PkgIterator P = Grp.PackageList(); + for (; P.end() != true; P = Grp.NextPkg(P)) + { + if (P == Pkg) + continue; + if (P->CurrentVer != 0) { + // TRANSLATORS: Note, this is not an interactive question + ioprintf(c1out,_("Package '%s' is not installed, so not removed. Did you mean '%s'?\n"), + Pkg.FullName(true).c_str(), P.FullName(true).c_str()); + break; + } + } + if (P.end() == true) + ioprintf(c1out,_("Package '%s' is not installed, so not removed\n"),Pkg.FullName(true).c_str()); + } + return pkgCache::VerIterator(Cache, 0); + } + + APT::VersionSet tryVirtualPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg, + APT::VersionSet::Version const &select) { + /* This is a pure virtual package and there is a single available + candidate providing it. */ + if (unlikely(Cache[Pkg].CandidateVer != 0) || Pkg->ProvidesList == 0) + return APT::VersionSet(); + + pkgCache::PkgIterator Prov; + bool found_one = false; + for (pkgCache::PrvIterator P = Pkg.ProvidesList(); P; ++P) { + pkgCache::VerIterator const PVer = P.OwnerVer(); + pkgCache::PkgIterator const PPkg = PVer.ParentPkg(); + + /* Ignore versions that are not a candidate. */ + if (Cache[PPkg].CandidateVer != PVer) + continue; + + if (found_one == false) { + Prov = PPkg; + found_one = true; + } else if (PPkg != Prov) { + // same group, so it's a foreign package + if (PPkg->Group == Prov->Group) { + // do we already have the requested arch? + if (strcmp(Pkg.Arch(), Prov.Arch()) == 0 || + strcmp(Prov.Arch(), "all") == 0 || + unlikely(strcmp(PPkg.Arch(), Prov.Arch()) == 0)) // packages have only on candidate, but just to be sure + continue; + // see which architecture we prefer more and switch to it + std::vector<std::string> archs = APT::Configuration::getArchitectures(); + if (std::find(archs.begin(), archs.end(), PPkg.Arch()) < std::find(archs.begin(), archs.end(), Prov.Arch())) + Prov = PPkg; + continue; + } + found_one = false; // we found at least two + break; + } + } + + if (found_one == true) { + ioprintf(out, _("Note, selecting '%s' instead of '%s'\n"), + Prov.FullName(true).c_str(), Pkg.FullName(true).c_str()); + return APT::VersionSet::FromPackage(Cache, Prov, select, *this); + } + return APT::VersionSet(); + } + + inline bool allPkgNamedExplicitly() const { return explicitlyNamed; } + +}; + /*}}}*/ + +#endif |