1 files changed, 72 insertions, 0 deletions
diff --git a/apt-private/private-cachefile.h b/apt-private/private-cachefile.h
new file mode 100644
index 000000000..77e8b61d9
--- /dev/null
+++ b/apt-private/private-cachefile.h
@@ -0,0 +1,72 @@
+#ifndef APT_PRIVATE_CACHEFILE_H
+#define APT_PRIVATE_CACHEFILE_H
+
+#include <apt-pkg/cachefile.h>
+#include <apt-pkg/progress.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/sourcelist.h>
+#include <apt-pkg/cacheset.h>
+
+// class CacheFile - Cover class for some dependency cache functions	/*{{{*/
+class APT_PUBLIC CacheFile : public pkgCacheFile
+{
+   public:
+   std::vector<map_pointer_t> UniverseList;
+
+   bool CheckDeps(bool AllowBroken = false);
+   bool BuildCaches(bool WithLock = true)
+   {
+      OpTextProgress Prog(*_config);
+      if (pkgCacheFile::BuildCaches(&Prog,WithLock) == false)
+	 return false;
+      return true;
+   }
+   bool Open(bool WithLock = true)
+   {
+      OpTextProgress Prog(*_config);
+      return pkgCacheFile::Open(&Prog,WithLock);
+   };
+   bool OpenForInstall()
+   {
+      if (_config->FindB("APT::Get::Print-URIs") == true)
+	 return Open(false);
+      else
+	 return Open(true);
+   }
+};
+									/*}}}*/
+
+class SortedPackageUniverse : public APT::PackageUniverse
+{
+   std::vector<map_pointer_t> &List;
+   void LazyInit() const;
+
+public:
+   explicit SortedPackageUniverse(CacheFile &Cache);
+
+   class const_iterator : public APT::Container_iterator_base<APT::PackageContainerInterface, SortedPackageUniverse, SortedPackageUniverse::const_iterator, std::vector<map_pointer_t>::const_iterator, pkgCache::PkgIterator>
+   {
+      pkgCache * const Cache;
+      public:
+	 inline pkgCache::PkgIterator getType(void) const
+	 {
+	    if (*_iter == 0) return pkgCache::PkgIterator(*Cache);
+	    return pkgCache::PkgIterator(*Cache, Cache->PkgP + *_iter);
+	 }
+	 explicit const_iterator(pkgCache * const Owner, std::vector<map_pointer_t>::const_iterator i):
+	    Container_iterator_base<APT::PackageContainerInterface, SortedPackageUniverse, SortedPackageUniverse::const_iterator, std::vector<map_pointer_t>::const_iterator, pkgCache::PkgIterator>(i), Cache(Owner) {}
+
+   };
+   typedef const_iterator iterator;
+
+   const_iterator begin() const { LazyInit(); return const_iterator(data(), List.begin()); }
+   const_iterator end() const { LazyInit(); return const_iterator(data(), List.end()); }
+   const_iterator cbegin() const { LazyInit(); return const_iterator(data(), List.begin()); }
+   const_iterator cend() const { LazyInit(); return const_iterator(data(), List.end()); }
+   iterator begin() { LazyInit(); return iterator(data(), List.begin()); }
+   iterator end() { LazyInit(); return iterator(data(), List.end()); }
+};
+
+#endif