apt-private/private-list.cc

   1 // Include Files                                                        /*{{{*/
   2 #include <config.h>
   3
   4 #include <apt-pkg/cachefile.h>
   5 #include <apt-pkg/cachefilter.h>
   6 #include <apt-pkg/cacheset.h>
   7 #include <apt-pkg/cmndline.h>
   8 #include <apt-pkg/pkgrecords.h>
   9 #include <apt-pkg/progress.h>
  10 #include <apt-pkg/strutl.h>
  11 #include <apt-pkg/configuration.h>
  12 #include <apt-pkg/macros.h>
  13 #include <apt-pkg/pkgcache.h>
  14 #include <apt-pkg/cacheiterators.h>
  15
  16 #include <apt-private/private-cacheset.h>
  17 #include <apt-private/private-list.h>
  18 #include <apt-private/private-output.h>
  19
  20 #include <iostream>
  21 #include <sstream>
  22 #include <map>
  23 #include <string>
  24 #include <utility>
  25 #include <vector>
  26
  27 #include <apti18n.h>
  28                                                                         /*}}}*/
  29
  30 struct PackageSortAlphabetic                                            /*{{{*/
  31 {
  32    bool operator () (const pkgCache::PkgIterator &p_lhs,
  33                      const pkgCache::PkgIterator &p_rhs)
  34     {
  35        const std::string &l_name = p_lhs.FullName(true);
  36        const std::string &r_name = p_rhs.FullName(true);
  37        return (l_name < r_name);
  38     }
  39 };
  40
  41 class PackageNameMatcher : public Matcher
  42 {
  43   public:
  44    explicit PackageNameMatcher(const char **patterns)
  45    {
  46       for(int i=0; patterns[i] != NULL; ++i)
  47       {
  48          std::string pattern = patterns[i];
  49          APT::CacheFilter::PackageMatcher *cachefilter = NULL;
  50          if(_config->FindB("APT::Cmd::Use-Regexp", false) == true)
  51             cachefilter = new APT::CacheFilter::PackageNameMatchesRegEx(pattern);
  52          else
  53             cachefilter = new APT::CacheFilter::PackageNameMatchesFnmatch(pattern);
  54          filters.push_back(cachefilter);
  55       }
  56    }
  57    virtual ~PackageNameMatcher()
  58    {
  59       for(J=filters.begin(); J != filters.end(); ++J)
  60          delete *J;
  61    }
  62    virtual bool operator () (const pkgCache::PkgIterator &P) APT_OVERRIDE
  63    {
  64       for(J=filters.begin(); J != filters.end(); ++J)
  65       {
  66          APT::CacheFilter::PackageMatcher *cachefilter = *J;
  67          if((*cachefilter)(P))
  68             return true;
  69       }
  70       return false;
  71    }
  72
  73 private:
  74    std::vector<APT::CacheFilter::PackageMatcher*> filters;
  75    std::vector<APT::CacheFilter::PackageMatcher*>::const_iterator J;
  76    #undef PackageMatcher
  77 };
  78                                                                         /*}}}*/
  79 static void ListAllVersions(pkgCacheFile &CacheFile, pkgRecords &records,/*{{{*/
  80                      pkgCache::PkgIterator const &P, std::ostream &outs,
  81                      std::string const &format)
  82 {
  83    for (pkgCache::VerIterator Ver = P.VersionList();
  84         Ver.end() == false; ++Ver)
  85    {
  86       ListSingleVersion(CacheFile, records, Ver, outs, format);
  87       outs << std::endl;
  88    }
  89 }
  90                                                                         /*}}}*/
  91 // list - list package based on criteria                                /*{{{*/
  92 // ---------------------------------------------------------------------
  93 bool DoList(CommandLine &Cmd)
  94 {
  95    pkgCacheFile CacheFile;
  96    pkgCache * const Cache = CacheFile.GetPkgCache();
  97    if (unlikely(Cache == nullptr || CacheFile.GetDepCache() == nullptr))
  98       return false;
  99    pkgRecords records(CacheFile);
 100
 101    const char **patterns;
 102    const char *all_pattern[] = { "*", NULL};
 103
 104    if (strv_length(Cmd.FileList + 1) == 0)
 105    {
 106       patterns = all_pattern;
 107    } else {
 108       patterns = Cmd.FileList + 1;
 109    }
 110
 111    std::string format = "${color:highlight}${Package}${color:neutral}/${Origin} ${Version} ${Architecture}${ }${apt:Status}";
 112    if (_config->FindB("APT::Cmd::List-Include-Summary", false) == true)
 113       format += "\n  ${Description}\n";
 114
 115    PackageNameMatcher matcher(patterns);
 116    LocalitySortedVersionSet bag;
 117    OpTextProgress progress(*_config);
 118    progress.OverallProgress(0,
 119                             Cache->Head().PackageCount,
 120                             Cache->Head().PackageCount,
 121                             _("Listing"));
 122    GetLocalitySortedVersionSet(CacheFile, &bag, matcher, &progress);
 123    bool const ShowAllVersions = _config->FindB("APT::Cmd::All-Versions", false);
 124    std::map<std::string, std::string> output_map;
 125    for (LocalitySortedVersionSet::iterator V = bag.begin(); V != bag.end(); ++V)
 126    {
 127       std::stringstream outs;
 128       if(ShowAllVersions == true)
 129          ListAllVersions(CacheFile, records, V.ParentPkg(), outs, format);
 130       else
 131          ListSingleVersion(CacheFile, records, V, outs, format);
 132       output_map.insert(std::make_pair<std::string, std::string>(
 133                V.ParentPkg().Name(), outs.str()));
 134    }
 135
 136    // FIXME: SORT! and make sorting flexible (alphabetic, by pkg status)
 137    // output the sorted map
 138    std::map<std::string, std::string>::const_iterator K;
 139    for (K = output_map.begin(); K != output_map.end(); ++K)
 140       std::cout << (*K).second << std::endl;
 141
 142    // be nice and tell the user if there is more to see
 143    if (bag.size() == 1 && ShowAllVersions == false)
 144    {
 145       // start with -1 as we already displayed one version
 146       int versions = -1;
 147       pkgCache::VerIterator Ver = *bag.begin();
 148       for ( ; Ver.end() == false; ++Ver)
 149          ++versions;
 150       if (versions > 0)
 151          _error->Notice(P_("There is %i additional version. Please use the '-a' switch to see it", "There are %i additional versions. Please use the '-a' switch to see them.", versions), versions);
 152    }
 153
 154    return true;
 155 }
 156