apt-private/private-depends.cc

   1 // Include Files                                                        /*{{{*/
   2 #include<config.h>
   3
   4 #include <apt-pkg/algorithms.h>
   5 #include <apt-pkg/cachefile.h>
   6 #include <apt-pkg/cacheiterators.h>
   7 #include <apt-pkg/cacheset.h>
   8 #include <apt-pkg/configuration.h>
   9 #include <apt-pkg/cmndline.h>
  10 #include <apt-pkg/error.h>
  11 #include <apt-pkg/pkgcache.h>
  12
  13 #include <apt-private/private-cacheset.h>
  14 #include <apt-private/private-depends.h>
  15
  16 #include <iostream>
  17 #include <string>
  18 #include <vector>
  19
  20 #include <stddef.h>
  21
  22 #include <apti18n.h>
  23                                                                         /*}}}*/
  24
  25 // ShowDepends - Helper for printing out a dependency tree              /*{{{*/
  26 static bool ShowDepends(CommandLine &CmdL, bool const RevDepends)
  27 {
  28    pkgCacheFile CacheFile;
  29    pkgCache * const Cache = CacheFile.GetPkgCache();
  30    if (unlikely(Cache == nullptr || CacheFile.GetDepCache() == nullptr))
  31       return false;
  32
  33    CacheSetHelperVirtuals helper(false);
  34    APT::VersionList verset = APT::VersionList::FromCommandLine(CacheFile, CmdL.FileList + 1, APT::CacheSetHelper::CANDIDATE, helper);
  35    if (verset.empty() == true && helper.virtualPkgs.empty() == true)
  36       return _error->Error(_("No packages found"));
  37    std::vector<bool> Shown(Cache->Head().PackageCount);
  38
  39    bool const Recurse = _config->FindB("APT::Cache::RecurseDepends", false);
  40    bool const Installed = _config->FindB("APT::Cache::Installed", false);
  41    bool const Important = _config->FindB("APT::Cache::Important", false);
  42    bool const ShowDepType = _config->FindB("APT::Cache::ShowDependencyType", RevDepends == false);
  43    bool const ShowVersion = _config->FindB("APT::Cache::ShowVersion", false);
  44    bool const ShowPreDepends = _config->FindB("APT::Cache::ShowPre-Depends", true);
  45    bool const ShowDepends = _config->FindB("APT::Cache::ShowDepends", true);
  46    bool const ShowRecommends = _config->FindB("APT::Cache::ShowRecommends", Important == false);
  47    bool const ShowSuggests = _config->FindB("APT::Cache::ShowSuggests", Important == false);
  48    bool const ShowReplaces = _config->FindB("APT::Cache::ShowReplaces", Important == false);
  49    bool const ShowConflicts = _config->FindB("APT::Cache::ShowConflicts", Important == false);
  50    bool const ShowBreaks = _config->FindB("APT::Cache::ShowBreaks", Important == false);
  51    bool const ShowEnhances = _config->FindB("APT::Cache::ShowEnhances", Important == false);
  52    bool const ShowOnlyFirstOr = _config->FindB("APT::Cache::ShowOnlyFirstOr", false);
  53    bool const ShowImplicit = _config->FindB("APT::Cache::ShowImplicit", false);
  54
  55    while (verset.empty() != true)
  56    {
  57       pkgCache::VerIterator Ver = *verset.begin();
  58       verset.erase(verset.begin());
  59       pkgCache::PkgIterator Pkg = Ver.ParentPkg();
  60       Shown[Pkg->ID] = true;
  61
  62       std::cout << Pkg.FullName(true) << std::endl;
  63
  64       if (RevDepends == true)
  65          std::cout << "Reverse Depends:" << std::endl;
  66       for (pkgCache::DepIterator D = RevDepends ? Pkg.RevDependsList() : Ver.DependsList();
  67             D.end() == false; ++D)
  68       {
  69          switch (D->Type) {
  70             case pkgCache::Dep::PreDepends: if (!ShowPreDepends) continue; break;
  71             case pkgCache::Dep::Depends: if (!ShowDepends) continue; break;
  72             case pkgCache::Dep::Recommends: if (!ShowRecommends) continue; break;
  73             case pkgCache::Dep::Suggests: if (!ShowSuggests) continue; break;
  74             case pkgCache::Dep::Replaces: if (!ShowReplaces) continue; break;
  75             case pkgCache::Dep::Conflicts: if (!ShowConflicts) continue; break;
  76             case pkgCache::Dep::DpkgBreaks: if (!ShowBreaks) continue; break;
  77             case pkgCache::Dep::Enhances: if (!ShowEnhances) continue; break;
  78          }
  79          if (ShowImplicit == false && D.IsImplicit())
  80             continue;
  81
  82          pkgCache::PkgIterator Trg = RevDepends ? D.ParentPkg() : D.TargetPkg();
  83
  84          if((Installed && Trg->CurrentVer != 0) || !Installed)
  85          {
  86
  87             if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or && ShowOnlyFirstOr == false)
  88                std::cout << " |";
  89             else
  90                std::cout << "  ";
  91
  92             // Show the package
  93             if (ShowDepType == true)
  94                std::cout << D.DepType() << ": ";
  95             if (Trg->VersionList == 0)
  96                std::cout << "<" << Trg.FullName(true) << ">";
  97             else
  98                std::cout << Trg.FullName(true);
  99             if (ShowVersion == true && D->Version != 0)
 100                std::cout << " (" << pkgCache::CompTypeDeb(D->CompareOp) << ' ' << D.TargetVer() << ')';
 101             std::cout << std::endl;
 102
 103             if (Recurse == true && Shown[Trg->ID] == false)
 104             {
 105                Shown[Trg->ID] = true;
 106                verset.insert(APT::VersionSet::FromPackage(CacheFile, Trg, APT::CacheSetHelper::CANDIDATE, helper));
 107             }
 108
 109          }
 110
 111          // Display all solutions
 112          std::unique_ptr<pkgCache::Version *[]> List(D.AllTargets());
 113          pkgPrioSortList(*Cache,List.get());
 114          for (pkgCache::Version **I = List.get(); *I != 0; I++)
 115          {
 116             pkgCache::VerIterator V(*Cache,*I);
 117             if (V != Cache->VerP + V.ParentPkg()->VersionList ||
 118                   V->ParentPkg == D->Package)
 119                continue;
 120             std::cout << "    " << V.ParentPkg().FullName(true) << std::endl;
 121
 122             if (Recurse == true && Shown[V.ParentPkg()->ID] == false)
 123             {
 124                Shown[V.ParentPkg()->ID] = true;
 125                verset.insert(APT::VersionSet::FromPackage(CacheFile, V.ParentPkg(), APT::CacheSetHelper::CANDIDATE, helper));
 126             }
 127          }
 128
 129          if (ShowOnlyFirstOr == true)
 130             while ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or) ++D;
 131       }
 132    }
 133
 134    for (APT::PackageSet::const_iterator Pkg = helper.virtualPkgs.begin();
 135          Pkg != helper.virtualPkgs.end(); ++Pkg)
 136       std::cout << '<' << Pkg.FullName(true) << '>' << std::endl;
 137
 138    return true;
 139 }
 140                                                                         /*}}}*/
 141 // Depends - Print out a dependency tree                                /*{{{*/
 142 bool Depends(CommandLine &CmdL)
 143 {
 144    return ShowDepends(CmdL, false);
 145 }
 146                                                                         /*}}}*/
 147 // RDepends - Print out a reverse dependency tree                       /*{{{*/
 148 bool RDepends(CommandLine &CmdL)
 149 {
 150    return ShowDepends(CmdL, true);
 151 }
 152                                                                         /*}}}*/