skip version if we already have this package as search-result

[ntk/apt.git] / apt-private / private-search.cc

diff --git a/apt-private/private-search.cc b/apt-private/private-search.cc
index 9d7f361..2d427fa 100644 (file)
--- a/apt-private/private-search.cc
+++ b/apt-private/private-search.cc
@@ -1,40 +1,30 @@
 // Includes                                                            /*{{{*/
-#include <apt-pkg/error.h>
+#include <config.h>
+
 #include <apt-pkg/cachefile.h>
-#include <apt-pkg/cachefilter.h>
 #include <apt-pkg/cacheset.h>
-#include <apt-pkg/init.h>
-#include <apt-pkg/progress.h>
-#include <apt-pkg/sourcelist.h>
 #include <apt-pkg/cmndline.h>
-#include <apt-pkg/strutl.h>
-#include <apt-pkg/fileutl.h>
 #include <apt-pkg/pkgrecords.h>
-#include <apt-pkg/srcrecords.h>
-#include <apt-pkg/version.h>
 #include <apt-pkg/policy.h>
-#include <apt-pkg/tagfile.h>
-#include <apt-pkg/algorithms.h>
-#include <apt-pkg/sptr.h>
-#include <apt-pkg/pkgsystem.h>
-#include <apt-pkg/indexfile.h>
-#include <apt-pkg/metaindex.h>
+#include <apt-pkg/progress.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/pkgcache.h>
 
-#include <sstream>
-#include <utility>
-#include <cassert>
-#include <locale.h>
+#include <apt-private/private-cacheset.h>
+#include <apt-private/private-output.h>
+#include <apt-private/private-search.h>
+
+#include <string.h>
 #include <iostream>
-#include <unistd.h>
-#include <errno.h>
-#include <regex.h>
-#include <stdio.h>
-#include <iomanip>
-#include <algorithm>
+#include <sstream>
 #include <map>
+#include <string>
+#include <utility>
 
-#include "private-search.h"
-#include "private-cacheset.h"
+#include <apti18n.h>
                                                                        /*}}}*/
 
 bool FullTextSearch(CommandLine &CmdL)                                 /*{{{*/
@@ -42,15 +32,33 @@ bool FullTextSearch(CommandLine &CmdL)                                      /*{{{*/
    pkgCacheFile CacheFile;
    pkgCache *Cache = CacheFile.GetPkgCache();
    pkgDepCache::Policy *Plcy = CacheFile.GetPolicy();
-   pkgRecords records(CacheFile);
    if (unlikely(Cache == NULL || Plcy == NULL))
       return false;
 
-   const char **patterns;
-   patterns = CmdL.FileList + 1;
+   // Make sure there is at least one argument
+   unsigned int const NumPatterns = CmdL.FileSize() -1;
+   if (NumPatterns < 1)
+      return _error->Error(_("You must give at least one search pattern"));
+
+#define APT_FREE_PATTERNS() for (std::vector<regex_t>::iterator P = Patterns.begin(); \
+      P != Patterns.end(); ++P) { regfree(&(*P)); }
+
+   // Compile the regex pattern
+   std::vector<regex_t> Patterns;
+   for (unsigned int I = 0; I != NumPatterns; ++I)
+   {
+      regex_t pattern;
+      if (regcomp(&pattern, CmdL.FileList[I + 1], REG_EXTENDED | REG_ICASE | REG_NOSUB) != 0)
+      {
+        APT_FREE_PATTERNS();
+        return _error->Error("Regex compilation error");
+      }
+      Patterns.push_back(pattern);
+   }
+
+   bool const NamesOnly = _config->FindB("APT::Cache::NamesOnly", false);
 
    std::map<std::string, std::string> output_map;
-   std::map<std::string, std::string>::const_iterator K;
 
    LocalitySortedVersionSet bag;
    OpTextProgress progress(*_config);
@@ -60,40 +68,50 @@ bool FullTextSearch(CommandLine &CmdL)                                      /*{{{*/
 
    progress.OverallProgress(50, 100, 50,  _("Full Text Search"));
    progress.SubProgress(bag.size());
+   pkgRecords records(CacheFile);
    int Done = 0;
-   for ( ;V != bag.end(); V++)
+   for ( ;V != bag.end(); ++V)
    {
       if (Done%500 == 0)
          progress.Progress(Done);
-      Done++;
-      
-      int i;
+      ++Done;
+
+      // we want to list each package only once
+      char const * const PkgName = V.ParentPkg().Name();
+      if (output_map.find(PkgName) != output_map.end())
+        continue;
+
       pkgCache::DescIterator Desc = V.TranslatedDescription();
       pkgRecords::Parser &parser = records.Lookup(Desc.FileList());
-     
+      std::string const LongDesc = parser.LongDesc();
+
       bool all_found = true;
-      for(i=0; patterns[i] != NULL; i++) 
+      for (std::vector<regex_t>::const_iterator pattern = Patterns.begin();
+           pattern != Patterns.end(); ++pattern)
       {
-         // FIXME: use regexp instead of simple find()
-         const char *pattern = patterns[i];
-         all_found &=  (
-            strstr(V.ParentPkg().Name(), pattern) != NULL ||
-            parser.ShortDesc().find(pattern) != std::string::npos ||
-            parser.LongDesc().find(pattern) != std::string::npos);
+        if (regexec(&(*pattern), PkgName, 0, 0, 0) == 0)
+           continue;
+        else if (NamesOnly == false && regexec(&(*pattern), LongDesc.c_str(), 0, 0, 0) == 0)
+           continue;
+        // search patterns are AND, so one failing fails all
+        all_found = false;
+        break;
       }
-      if (all_found)
+      if (all_found == true)
       {
             std::stringstream outs;
             ListSingleVersion(CacheFile, records, V, outs);
             output_map.insert(std::make_pair<std::string, std::string>(
-                                 V.ParentPkg().Name(), outs.str()));
+                                 PkgName, outs.str()));
       }
    }
+   APT_FREE_PATTERNS();
    progress.Done();
 
    // FIXME: SORT! and make sorting flexible (alphabetic, by pkg status)
    // output the sorted map
-   for (K = output_map.begin(); K != output_map.end(); K++)
+   std::map<std::string, std::string>::const_iterator K;
+   for (K = output_map.begin(); K != output_map.end(); ++K)
       std::cout << (*K).second << std::endl;
 
    return true;