apt-private/private-search.cc

   1 #include <apt-pkg/error.h>
   2 #include <apt-pkg/cachefile.h>
   3 #include <apt-pkg/cachefilter.h>
   4 #include <apt-pkg/cacheset.h>
   5 #include <apt-pkg/init.h>
   6 #include <apt-pkg/progress.h>
   7 #include <apt-pkg/sourcelist.h>
   8 #include <apt-pkg/cmndline.h>
   9 #include <apt-pkg/strutl.h>
  10 #include <apt-pkg/fileutl.h>
  11 #include <apt-pkg/pkgrecords.h>
  12 #include <apt-pkg/srcrecords.h>
  13 #include <apt-pkg/version.h>
  14 #include <apt-pkg/policy.h>
  15 #include <apt-pkg/tagfile.h>
  16 #include <apt-pkg/algorithms.h>
  17 #include <apt-pkg/sptr.h>
  18 #include <apt-pkg/pkgsystem.h>
  19 #include <apt-pkg/indexfile.h>
  20 #include <apt-pkg/metaindex.h>
  21
  22 #include <sstream>
  23 #include <utility>
  24 #include <cassert>
  25 #include <locale.h>
  26 #include <iostream>
  27 #include <unistd.h>
  28 #include <errno.h>
  29 #include <regex.h>
  30 #include <stdio.h>
  31 #include <iomanip>
  32 #include <algorithm>
  33 #include <map>
  34
  35 #include "private-search.h"
  36 #include "private-cacheset.h"
  37
  38
  39 bool FullTextSearch(CommandLine &CmdL)
  40 {
  41    pkgCacheFile CacheFile;
  42    pkgCache *Cache = CacheFile.GetPkgCache();
  43    pkgDepCache::Policy *Plcy = CacheFile.GetPolicy();
  44    pkgRecords records(CacheFile);
  45    if (unlikely(Cache == NULL || Plcy == NULL))
  46       return false;
  47
  48    const char **patterns;
  49    patterns = CmdL.FileList + 1;
  50
  51    std::map<std::string, std::string> output_map;
  52    std::map<std::string, std::string>::const_iterator K;
  53
  54    LocalitySortedVersionSet bag;
  55    OpTextProgress progress;
  56    progress.OverallProgress(0, 100, 50,  _("Sorting"));
  57    GetLocalitySortedVersionSet(CacheFile, bag, progress);
  58    LocalitySortedVersionSet::iterator V = bag.begin();
  59
  60    progress.OverallProgress(50, 100, 50,  _("Full Text Search"));
  61    progress.SubProgress(bag.size());
  62    int Done = 0;
  63    for ( ;V != bag.end(); V++)
  64    {
  65       if (Done%500 == 0)
  66          progress.Progress(Done);
  67       Done++;
  68
  69       int i;
  70       pkgCache::DescIterator Desc = V.TranslatedDescription();
  71       pkgRecords::Parser &parser = records.Lookup(Desc.FileList());
  72
  73       bool all_found = true;
  74       for(i=0; patterns[i] != NULL; i++)
  75       {
  76          // FIXME: use regexp instead of simple find()
  77          const char *pattern = patterns[i];
  78          all_found &=  (
  79             strstr(V.ParentPkg().Name(), pattern) != NULL ||
  80             parser.ShortDesc().find(pattern) != std::string::npos ||
  81             parser.LongDesc().find(pattern) != std::string::npos);
  82       }
  83       if (all_found)
  84       {
  85             std::stringstream outs;
  86             ListSingleVersion(CacheFile, records, V, outs);
  87             output_map.insert(std::make_pair<std::string, std::string>(
  88                                  V.ParentPkg().Name(), outs.str()));
  89       }
  90    }
  91    progress.Done();
  92
  93    // FIXME: SORT! and make sorting flexible (alphabetic, by pkg status)
  94    // output the sorted map
  95    for (K = output_map.begin(); K != output_map.end(); K++)
  96       std::cout << (*K).second << std::endl;
  97
  98    return true;
  99 }