apt-private/private-cachefile.h

   1 #ifndef APT_PRIVATE_CACHEFILE_H
   2 #define APT_PRIVATE_CACHEFILE_H
   3
   4 #include <apt-pkg/cachefile.h>
   5 #include <apt-pkg/progress.h>
   6 #include <apt-pkg/configuration.h>
   7 #include <apt-pkg/pkgcache.h>
   8 #include <apt-pkg/macros.h>
   9 #include <apt-pkg/sourcelist.h>
  10 #include <apt-pkg/cacheset.h>
  11
  12 // class CacheFile - Cover class for some dependency cache functions    /*{{{*/
  13 class APT_PUBLIC CacheFile : public pkgCacheFile
  14 {
  15    public:
  16    std::vector<map_pointer_t> UniverseList;
  17
  18    bool CheckDeps(bool AllowBroken = false);
  19    bool BuildCaches(bool WithLock = true)
  20    {
  21       OpTextProgress Prog(*_config);
  22       if (pkgCacheFile::BuildCaches(&Prog,WithLock) == false)
  23          return false;
  24       return true;
  25    }
  26    bool Open(bool WithLock = true)
  27    {
  28       OpTextProgress Prog(*_config);
  29       return pkgCacheFile::Open(&Prog,WithLock);
  30    };
  31    bool OpenForInstall()
  32    {
  33       if (_config->FindB("APT::Get::Print-URIs") == true)
  34          return Open(false);
  35       else
  36          return Open(true);
  37    }
  38 };
  39                                                                         /*}}}*/
  40
  41 class SortedPackageUniverse : public APT::PackageUniverse
  42 {
  43    std::vector<map_pointer_t> &List;
  44    void LazyInit() const;
  45
  46 public:
  47    explicit SortedPackageUniverse(CacheFile &Cache);
  48
  49    class const_iterator : public APT::Container_iterator_base<APT::PackageContainerInterface, SortedPackageUniverse, SortedPackageUniverse::const_iterator, std::vector<map_pointer_t>::const_iterator, pkgCache::PkgIterator>
  50    {
  51       pkgCache * const Cache;
  52       public:
  53          inline pkgCache::PkgIterator getType(void) const
  54          {
  55             if (*_iter == 0) return pkgCache::PkgIterator(*Cache);
  56             return pkgCache::PkgIterator(*Cache, Cache->PkgP + *_iter);
  57          }
  58          explicit const_iterator(pkgCache * const Owner, std::vector<map_pointer_t>::const_iterator i):
  59             Container_iterator_base<APT::PackageContainerInterface, SortedPackageUniverse, SortedPackageUniverse::const_iterator, std::vector<map_pointer_t>::const_iterator, pkgCache::PkgIterator>(i), Cache(Owner) {}
  60
  61    };
  62    typedef const_iterator iterator;
  63
  64    const_iterator begin() const { LazyInit(); return const_iterator(data(), List.begin()); }
  65    const_iterator end() const { LazyInit(); return const_iterator(data(), List.end()); }
  66    const_iterator cbegin() const { LazyInit(); return const_iterator(data(), List.begin()); }
  67    const_iterator cend() const { LazyInit(); return const_iterator(data(), List.end()); }
  68    iterator begin() { LazyInit(); return iterator(data(), List.begin()); }
  69    iterator end() { LazyInit(); return iterator(data(), List.end()); }
  70 };
  71
  72 #endif