apt-private/private-cacheset.h

   1 #ifndef APT_PRIVATE_CACHESET_H
   2 #define APT_PRIVATE_CACHESET_H
   3
   4 #include <apt-pkg/cacheset.h>
   5 #include <apt-pkg/macros.h>
   6
   7 #include <apt-private/private-output.h>
   8
   9 #include <vector>
  10 #include <list>
  11 #include <set>
  12 #include <string>
  13
  14 #include <apti18n.h>
  15
  16 class OpProgress;
  17
  18 struct VersionSortDescriptionLocality                                   /*{{{*/
  19 {
  20    bool operator () (const pkgCache::VerIterator &v_lhs,
  21          const pkgCache::VerIterator &v_rhs)
  22    {
  23       pkgCache::DescFile const *A = nullptr;
  24       pkgCache::DescFile const *B = nullptr;
  25       if (v_lhs->DescriptionList != 0)
  26          A = v_lhs.TranslatedDescription().FileList();
  27       if (v_rhs->DescriptionList != 0)
  28          B = v_rhs.TranslatedDescription().FileList();
  29
  30       if (A == nullptr && B == nullptr)
  31          return false;
  32
  33       if (A == nullptr)
  34          return true;
  35
  36       if (B == nullptr)
  37          return false;
  38
  39       if (A->File == B->File)
  40          return A->Offset < B->Offset;
  41
  42       return A->File < B->File;
  43    }
  44 };
  45                                                                         /*}}}*/
  46 // sorted by locality which makes iterating much faster
  47 typedef APT::VersionContainer<
  48    std::set<pkgCache::VerIterator,
  49             VersionSortDescriptionLocality> > LocalitySortedVersionSet;
  50
  51 class Matcher {
  52 public:
  53     virtual bool operator () (const pkgCache::PkgIterator &/*P*/) {
  54         return true;}
  55 };
  56
  57 // FIXME: add default argument for OpProgress (or overloaded function)
  58 bool GetLocalitySortedVersionSet(pkgCacheFile &CacheFile,
  59                                     APT::VersionContainerInterface * const vci,
  60                                     Matcher &matcher,
  61                                     OpProgress * const progress);
  62 bool GetLocalitySortedVersionSet(pkgCacheFile &CacheFile,
  63                                     APT::VersionContainerInterface * const vci,
  64                                     OpProgress * const progress);
  65
  66
  67 // CacheSetHelper saving virtual packages                               /*{{{*/
  68 class CacheSetHelperVirtuals: public APT::CacheSetHelper {
  69 public:
  70    APT::PackageSet virtualPkgs;
  71
  72    virtual pkgCache::VerIterator canNotGetVersion(enum CacheSetHelper::VerSelector const select, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
  73    virtual void canNotFindVersion(enum CacheSetHelper::VerSelector const select, APT::VersionContainerInterface * vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
  74    virtual pkgCache::PkgIterator canNotFindPkgName(pkgCacheFile &Cache, std::string const &str) APT_OVERRIDE;
  75
  76    CacheSetHelperVirtuals(bool const ShowErrors = true, GlobalError::MsgType const &ErrorType = GlobalError::NOTICE);
  77 };
  78                                                                         /*}}}*/
  79
  80 // CacheSetHelperAPTGet - responsible for message telling from the CacheSets/*{{{*/
  81 class CacheSetHelperAPTGet : public APT::CacheSetHelper {
  82         /** \brief stream message should be printed to */
  83         std::ostream &out;
  84         /** \brief were things like Task or RegEx used to select packages? */
  85         bool explicitlyNamed;
  86
  87         APT::PackageSet virtualPkgs;
  88
  89 public:
  90         std::list<std::pair<pkgCache::VerIterator, std::string> > selectedByRelease;
  91
  92         explicit CacheSetHelperAPTGet(std::ostream &out);
  93
  94         virtual void showTaskSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) APT_OVERRIDE;
  95         virtual void showFnmatchSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) APT_OVERRIDE;
  96         virtual void showRegExSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) APT_OVERRIDE;
  97         virtual void showSelectedVersion(pkgCache::PkgIterator const &/*Pkg*/, pkgCache::VerIterator const Ver,
  98                                  std::string const &ver, bool const /*verIsRel*/) APT_OVERRIDE;
  99         bool showVirtualPackageErrors(pkgCacheFile &Cache);
 100
 101         virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
 102         virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
 103         virtual pkgCache::PkgIterator canNotFindPkgName(pkgCacheFile &Cache, std::string const &str) APT_OVERRIDE;
 104
 105         APT::VersionSet tryVirtualPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg,
 106                                                 CacheSetHelper::VerSelector const select);
 107
 108         inline bool allPkgNamedExplicitly() const { return explicitlyNamed; }
 109 };
 110                                                                         /*}}}*/
 111
 112 #endif