fix support for multiple patterns in apt-cache search

[apt.git] / cmdline / apt-cache.cc

diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc
index 0a2c28d2389309b8cbeefa254a1b1acbd7c99da6..bda09a5a1020711f18587c57e1561e9233b3499a 100644 (file)
--- a/cmdline/apt-cache.cc
+++ b/cmdline/apt-cache.cc
@@ -1203,7 +1203,7 @@ bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V)
 struct ExDescFile
 {
    pkgCache::DescFile *Df;
-   bool NameMatch;
+   map_ptrloc ID;
 };
 
 // Search - Perform a search                                           /*{{{*/
@@ -1246,37 +1246,48 @@ bool Search(CommandLine &CmdL)
       return false;
    }
    
-   ExDescFile *DFList = new ExDescFile[Cache->HeaderP->GroupCount+1];
-   memset(DFList,0,sizeof(*DFList)*Cache->HeaderP->GroupCount+1);
+   size_t const descCount = Cache->HeaderP->GroupCount + 1;
+   ExDescFile *DFList = new ExDescFile[descCount];
+   memset(DFList,0,sizeof(*DFList) * descCount);
+
+   bool PatternMatch[descCount * NumPatterns];
+   memset(PatternMatch,false,sizeof(PatternMatch));
 
    // Map versions that we want to write out onto the VerList array.
    for (pkgCache::GrpIterator G = Cache->GrpBegin(); G.end() == false; ++G)
    {
-      if (DFList[G->ID].NameMatch == true)
-        continue;
-
-      DFList[G->ID].NameMatch = true;
-      for (unsigned I = 0; I != NumPatterns; I++)
+      size_t const PatternOffset = G->ID * NumPatterns;
+      size_t unmatched = 0, matched = 0;
+      for (unsigned I = 0; I < NumPatterns; ++I)
       {
-        if (regexec(&Patterns[I],G.Name(),0,0,0) == 0)
-           continue;
-        DFList[G->ID].NameMatch = false;
-        break;
+        if (PatternMatch[PatternOffset + I] == true)
+           ++matched;
+        else if (regexec(&Patterns[I],G.Name(),0,0,0) == 0)
+           PatternMatch[PatternOffset + I] = true;
+        else
+           ++unmatched;
       }
-        
-      // Doing names only, drop any that dont match..
-      if (NamesOnly == true && DFList[G->ID].NameMatch == false)
+
+      // already dealt with this package?
+      if (matched == NumPatterns)
         continue;
-        
+
+      // Doing names only, drop any that don't match..
+      if (NamesOnly == true && unmatched == NumPatterns)
+        continue;
+
       // Find the proper version to use
       pkgCache::PkgIterator P = G.FindPreferredPkg();
       if (P.end() == true)
         continue;
       pkgCache::VerIterator V = Plcy->GetCandidateVer(P);
       if (V.end() == false)
+      {
         DFList[G->ID].Df = V.TranslatedDescription().FileList();
+        DFList[G->ID].ID = G->ID;
+      }
 
-      if (DFList[G->ID].NameMatch == false)
+      if (unmatched == NumPatterns)
         continue;
 
       // Include all the packages that provide matching names too
@@ -1288,33 +1299,45 @@ bool Search(CommandLine &CmdL)
 
         unsigned long id = Prv.OwnerPkg().Group()->ID;
         DFList[id].Df = V.TranslatedDescription().FileList();
-        DFList[id].NameMatch = true;
+        DFList[id].ID = id;
+
+        size_t const PrvPatternOffset = id * NumPatterns;
+        for (unsigned I = 0; I < NumPatterns; ++I)
+           PatternMatch[PrvPatternOffset + I] = PatternMatch[PatternOffset + I];
       }
    }
-   
+
    LocalitySort(&DFList->Df,Cache->HeaderP->GroupCount,sizeof(*DFList));
 
    // Create the text record parser
    pkgRecords Recs(*Cache);
    // Iterate over all the version records and check them
-   for (ExDescFile *J = DFList; J->Df != 0; J++)
+   for (ExDescFile *J = DFList; J->Df != 0; ++J)
    {
       pkgRecords::Parser &P = Recs.Lookup(pkgCache::DescFileIterator(*Cache,J->Df));
+      size_t const PatternOffset = J->ID * NumPatterns;
 
-      if (J->NameMatch == false && NamesOnly == false)
+      if (NamesOnly == false)
       {
         string const LongDesc = P.LongDesc();
-        J->NameMatch = true;
-        for (unsigned I = 0; I != NumPatterns; I++)
+        for (unsigned I = 0; I < NumPatterns; ++I)
         {
-           if (regexec(&Patterns[I],LongDesc.c_str(),0,0,0) == 0)
+           if (PatternMatch[PatternOffset + I] == true)
               continue;
-           J->NameMatch = false;
-           break;
+           else if (regexec(&Patterns[I],LongDesc.c_str(),0,0,0) == 0)
+              PatternMatch[PatternOffset + I] = true;
         }
       }
-      
-      if (J->NameMatch == true)
+
+      bool matchedAll = true;
+      for (unsigned I = 0; I < NumPatterns; ++I)
+        if (PatternMatch[PatternOffset + I] == false)
+        {
+           matchedAll = false;
+           break;
+        }
+
+      if (matchedAll == true)
       {
         if (ShowFull == true)
         {