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 1cd5080cc44214504a3d46fb3c7036e778a977e7..bda09a5a1020711f18587c57e1561e9233b3499a 100644 (file)
--- a/cmdline/apt-cache.cc
+++ b/cmdline/apt-cache.cc
@@ -597,6 +597,7 @@ bool ShowDepends(CommandLine &CmdL, bool const RevDepends)
    bool const Installed = _config->FindB("APT::Cache::Installed", false);
    bool const Important = _config->FindB("APT::Cache::Important", false);
    bool const ShowDepType = _config->FindB("APT::Cache::ShowDependencyType", RevDepends == false);
+   bool const ShowVersion = _config->FindB("APT::Cache::ShowVersion", false);
    bool const ShowPreDepends = _config->FindB("APT::Cache::ShowPre-Depends", true);
    bool const ShowDepends = _config->FindB("APT::Cache::ShowDepends", true);
    bool const ShowRecommends = _config->FindB("APT::Cache::ShowRecommends", Important == false);
@@ -646,10 +647,13 @@ bool ShowDepends(CommandLine &CmdL, bool const RevDepends)
                if (ShowDepType == true)
                  cout << D.DepType() << ": ";
                if (Trg->VersionList == 0)
-                 cout << "<" << Trg.FullName(true) << ">" << endl;
+                 cout << "<" << Trg.FullName(true) << ">";
                else
-                 cout << Trg.FullName(true) << endl;
-           
+                 cout << Trg.FullName(true);
+               if (ShowVersion == true && D->Version != 0)
+                  cout << " (" << pkgCache::CompTypeDeb(D->CompareOp) << ' ' << D.TargetVer() << ')';
+               cout << std::endl;
+
                if (Recurse == true && Shown[Trg->ID] == false)
                {
                  Shown[Trg->ID] = true;
@@ -1199,7 +1203,7 @@ bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V)
 struct ExDescFile
 {
    pkgCache::DescFile *Df;
-   bool NameMatch;
+   map_ptrloc ID;
 };
 
 // Search - Perform a search                                           /*{{{*/
@@ -1242,37 +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
@@ -1284,33 +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)
         {
@@ -1676,7 +1703,7 @@ bool GenCaches(CommandLine &Cmd)
 /* */
 bool ShowHelp(CommandLine &Cmd)
 {
-   ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION,
+   ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
            COMMON_ARCH,__DATE__,__TIME__);
    
    if (_config->FindB("version") == true)
@@ -1739,7 +1766,7 @@ int main(int argc,const char *argv[])                                     /*{{{*/
       {'c',"config-file",0,CommandLine::ConfigFile},
       {'o',"option",0,CommandLine::ArbItem},
       {0,"installed","APT::Cache::Installed",0},
-      {0,"pre-depends","APT::Cache::ShowPreDepends",0},
+      {0,"pre-depends","APT::Cache::ShowPre-Depends",0},
       {0,"depends","APT::Cache::ShowDepends",0},
       {0,"recommends","APT::Cache::ShowRecommends",0},
       {0,"suggests","APT::Cache::ShowSuggests",0},