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[apt.git] / apt-private / private-cacheset.h

diff --git a/apt-private/private-cacheset.h b/apt-private/private-cacheset.h
index 322b3be6b95dbbb29ae1e9fa10711f577abe2283..4a43155febbdd2142fd60d91af45c0e6681d4ebb 100644 (file)
--- a/apt-private/private-cacheset.h
+++ b/apt-private/private-cacheset.h
@@ -1,59 +1,78 @@
 #ifndef APT_PRIVATE_CACHESET_H
 #define APT_PRIVATE_CACHESET_H
 
 #ifndef APT_PRIVATE_CACHESET_H
 #define APT_PRIVATE_CACHESET_H
 

-#include <apt-pkg/cachefile.h>

 #include <apt-pkg/cacheset.h>
 #include <apt-pkg/cacheset.h>

-#include <apt-pkg/sptr.h>
+#include <apt-pkg/macros.h>

 
 

-#include <algorithm>
-#include <vector>
+#include <apt-private/private-output.h>

 
 

-#include "private-output.h"
+#include <vector>
+#include <list>
+#include <set>
+#include <string>

 
 #include <apti18n.h>
 
 
 #include <apti18n.h>
 

-struct VersionSortDescriptionLocality
+class OpProgress;
+
+class VerIteratorWithCaching

 {
 {

-   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;
+   const pkgCache::VerIterator iter;
+   const pkgCache::DescFile * descFile;
+public:
+   VerIteratorWithCaching(const pkgCache::VerIterator& iter) :
+      iter(iter),
+      descFile(iter->DescriptionList != 0
+        ? (const pkgCache::DescFile *) iter.TranslatedDescription().FileList()
+        : nullptr)
+   {}
+   const pkgCache::DescFile * CachedDescFile() const { return descFile; }
+   operator pkgCache::VerIterator() const { return iter; }
+};

 
 

-       if (A == 0)
-          return true;
+struct VersionSortDescriptionLocality                                  /*{{{*/
+{
+   bool operator () (const VerIteratorWithCaching &v_lhs,
+        const VerIteratorWithCaching &v_rhs)
+   {
+      pkgCache::DescFile const *A = v_lhs.CachedDescFile();
+      pkgCache::DescFile const *B = v_rhs.CachedDescFile();

 
 

-       if (B == 0)
-          return false;
+      if (A == nullptr && B == nullptr)
+        return false;

 
 

-       if (A->File == B->File)
-          return A->Offset < B->Offset;
+      if (A == nullptr)
+        return true;

 
 

-       return A->File < B->File;
-    }
-};
+      if (B == nullptr)
+        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<
 // sorted by locality which makes iterating much faster
 typedef APT::VersionContainer<

-   std::set<pkgCache::VerIterator,
+   std::set<VerIteratorWithCaching,

             VersionSortDescriptionLocality> > LocalitySortedVersionSet;
 
 class Matcher {
 public:
             VersionSortDescriptionLocality> > LocalitySortedVersionSet;
 
 class Matcher {
 public:

-    virtual bool operator () (const pkgCache::PkgIterator &P) {
-        return true;};
+    virtual bool operator () (const pkgCache::PkgIterator &/*P*/) {
+        return true;}

 };
 
 // FIXME: add default argument for OpProgress (or overloaded function)
 };
 
 // FIXME: add default argument for OpProgress (or overloaded function)

-bool GetLocalitySortedVersionSet(pkgCacheFile &CacheFile, 
-                                    LocalitySortedVersionSet &output_set,
+bool GetLocalitySortedVersionSet(pkgCacheFile &CacheFile,
+                                    APT::VersionContainerInterface * const vci,

                                     Matcher &matcher,
                                     Matcher &matcher,

-                                    OpProgress &progress);
-bool GetLocalitySortedVersionSet(pkgCacheFile &CacheFile, 
-                                    LocalitySortedVersionSet &output_set,
-                                    OpProgress &progress);
+                                    OpProgress * const progress);
+bool GetLocalitySortedVersionSet(pkgCacheFile &CacheFile,
+                                    APT::VersionContainerInterface * const vci,
+                                    OpProgress * const progress);

 
 
 // CacheSetHelper saving virtual packages                              /*{{{*/
 
 
 // CacheSetHelper saving virtual packages                              /*{{{*/


@@ -61,22 +80,11 @@ class CacheSetHelperVirtuals: public APT::CacheSetHelper {
 public:
    APT::PackageSet virtualPkgs;
 
 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);
-   }
+   virtual pkgCache::VerIterator canNotGetVersion(enum CacheSetHelper::VerSelector const select, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
+   virtual void canNotFindVersion(enum CacheSetHelper::VerSelector const select, APT::VersionContainerInterface * vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
+   virtual pkgCache::PkgIterator canNotFindPkgName(pkgCacheFile &Cache, std::string const &str) APT_OVERRIDE;

 
 

-   CacheSetHelperVirtuals(bool const ShowErrors = true, GlobalError::MsgType const &ErrorType = GlobalError::NOTICE) : CacheSetHelper(ShowErrors, ErrorType) {}
+   CacheSetHelperVirtuals(bool const ShowErrors = true, GlobalError::MsgType const &ErrorType = GlobalError::NOTICE);

 };
                                                                        /*}}}*/
 
 };
                                                                        /*}}}*/
 


@@ -92,178 +100,23 @@ class CacheSetHelperAPTGet : public APT::CacheSetHelper {
 public:
        std::list<std::pair<pkgCache::VerIterator, std::string> > selectedByRelease;
 
 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 showFnmatchSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) {
-               ioprintf(out, _("Note, selecting '%s' for glob '%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());
+       explicit CacheSetHelperAPTGet(std::ostream &out);

 
 

-                               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 void showTaskSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) APT_OVERRIDE;
+        virtual void showFnmatchSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) APT_OVERRIDE;
+       virtual void showRegExSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) APT_OVERRIDE;
+       virtual void showSelectedVersion(pkgCache::PkgIterator const &/*Pkg*/, pkgCache::VerIterator const Ver,
+                                std::string const &ver, bool const /*verIsRel*/) APT_OVERRIDE;
+       bool showVirtualPackageErrors(pkgCacheFile &Cache);

 
 

-       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);
-       }
+       virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
+       virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
+       virtual pkgCache::PkgIterator canNotFindPkgName(pkgCacheFile &Cache, std::string const &str) APT_OVERRIDE;

 
        APT::VersionSet tryVirtualPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg,
 
        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();
-       }
+                                               CacheSetHelper::VerSelector const select);

 
        inline bool allPkgNamedExplicitly() const { return explicitlyNamed; }
 
        inline bool allPkgNamedExplicitly() const { return explicitlyNamed; }

-

 };
                                                                        /*}}}*/
 
 };
                                                                        /*}}}*/