apt-private/private-search.cc

   1 // Includes                                                             /*{{{*/
   2 #include <config.h>
   3
   4 #include <apt-pkg/cachefile.h>
   5 #include <apt-pkg/cacheset.h>
   6 #include <apt-pkg/cmndline.h>
   7 #include <apt-pkg/pkgrecords.h>
   8 #include <apt-pkg/policy.h>
   9 #include <apt-pkg/progress.h>
  10 #include <apt-pkg/cacheiterators.h>
  11 #include <apt-pkg/configuration.h>
  12 #include <apt-pkg/depcache.h>
  13 #include <apt-pkg/macros.h>
  14 #include <apt-pkg/pkgcache.h>
  15
  16 #include <apt-private/private-cacheset.h>
  17 #include <apt-private/private-output.h>
  18 #include <apt-private/private-search.h>
  19
  20 #include <string.h>
  21 #include <iostream>
  22 #include <sstream>
  23 #include <map>
  24 #include <string>
  25 #include <utility>
  26
  27 #include <apti18n.h>
  28                                                                         /*}}}*/
  29
  30 bool FullTextSearch(CommandLine &CmdL)                                  /*{{{*/
  31 {
  32    pkgCacheFile CacheFile;
  33    pkgCache *Cache = CacheFile.GetPkgCache();
  34    pkgDepCache::Policy *Plcy = CacheFile.GetPolicy();
  35    pkgRecords records(CacheFile);
  36    if (unlikely(Cache == NULL || Plcy == NULL))
  37       return false;
  38
  39    const char **patterns;
  40    patterns = CmdL.FileList + 1;
  41
  42    std::map<std::string, std::string> output_map;
  43    std::map<std::string, std::string>::const_iterator K;
  44
  45    LocalitySortedVersionSet bag;
  46    OpTextProgress progress(*_config);
  47    progress.OverallProgress(0, 100, 50,  _("Sorting"));
  48    GetLocalitySortedVersionSet(CacheFile, bag, progress);
  49    LocalitySortedVersionSet::iterator V = bag.begin();
  50
  51    progress.OverallProgress(50, 100, 50,  _("Full Text Search"));
  52    progress.SubProgress(bag.size());
  53    int Done = 0;
  54    for ( ;V != bag.end(); ++V)
  55    {
  56       if (Done%500 == 0)
  57          progress.Progress(Done);
  58       ++Done;
  59
  60       int i;
  61       pkgCache::DescIterator Desc = V.TranslatedDescription();
  62       pkgRecords::Parser &parser = records.Lookup(Desc.FileList());
  63
  64       bool all_found = true;
  65       for(i=0; patterns[i] != NULL; ++i)
  66       {
  67          // FIXME: use regexp instead of simple find()
  68          const char *pattern = patterns[i];
  69          all_found &=  (
  70             strstr(V.ParentPkg().Name(), pattern) != NULL ||
  71             strcasestr(parser.ShortDesc().c_str(), pattern) != NULL ||
  72             strcasestr(parser.LongDesc().c_str(), pattern) != NULL);
  73          // search patterns are AND by default so we can skip looking further
  74          // on the first mismatch
  75          if(all_found == false)
  76             break;
  77       }
  78       if (all_found)
  79       {
  80             std::stringstream outs;
  81             ListSingleVersion(CacheFile, records, V, outs);
  82             output_map.insert(std::make_pair<std::string, std::string>(
  83                                  V.ParentPkg().Name(), outs.str()));
  84       }
  85    }
  86    progress.Done();
  87
  88    // FIXME: SORT! and make sorting flexible (alphabetic, by pkg status)
  89    // output the sorted map
  90    for (K = output_map.begin(); K != output_map.end(); ++K)
  91       std::cout << (*K).second << std::endl;
  92
  93    return true;
  94 }
  95                                                                         /*}}}*/