+ GCache = &Gen.GetCache();
+ Stats(CmdL);
+
+ return true;
+}
+ /*}}}*/
+// DisplayRecord - Displays the complete record for the package /*{{{*/
+// ---------------------------------------------------------------------
+/* This displays the package record from the proper package index file.
+ It is not used by DumpAvail for performance reasons. */
+bool DisplayRecord(pkgCache::VerIterator V)
+{
+ // Find an appropriate file
+ pkgCache::VerFileIterator Vf = V.FileList();
+ for (; Vf.end() == false; Vf++)
+ if ((Vf.File()->Flags & pkgCache::Flag::NotSource) == 0)
+ break;
+ if (Vf.end() == true)
+ Vf = V.FileList();
+
+ // Check and load the package list file
+ pkgCache::PkgFileIterator I = Vf.File();
+ if (I.IsOk() == false)
+ return _error->Error("Package file %s is out of sync.",I.FileName());
+
+ FileFd PkgF(I.FileName(),FileFd::ReadOnly);
+ if (_error->PendingError() == true)
+ return false;
+
+ // Read the record and then write it out again.
+ unsigned char *Buffer = new unsigned char[GCache->HeaderP->MaxVerFileSize];
+ if (PkgF.Seek(V.FileList()->Offset) == false ||
+ PkgF.Read(Buffer,V.FileList()->Size) == false ||
+ write(STDOUT_FILENO,Buffer,V.FileList()->Size) != V.FileList()->Size)
+ {
+ delete [] Buffer;
+ return false;
+ }
+
+ delete [] Buffer;
+
+ return true;
+}
+ /*}}}*/
+// Search - Perform a search /*{{{*/
+// ---------------------------------------------------------------------
+/* This searches the package names and pacakge descriptions for a pattern */
+bool Search(CommandLine &CmdL)
+{
+ pkgCache &Cache = *GCache;
+ bool ShowFull = _config->FindB("APT::Cache::ShowFull",false);
+ bool NamesOnly = _config->FindB("APT::Cache::NamesOnly",false);
+
+ // Make sure there is at least one argument
+ if (CmdL.FileSize() != 2)
+ return _error->Error("You must give exactly one pattern");
+
+ // Compile the regex pattern
+ regex_t Pattern;
+ if (regcomp(&Pattern,CmdL.FileList[1],REG_EXTENDED | REG_ICASE |
+ REG_NOSUB) != 0)
+ return _error->Error("Regex compilation error");
+
+ // Create the text record parser
+ pkgRecords Recs(Cache);
+ if (_error->PendingError() == true)
+ return false;
+
+ // Search package names
+ pkgCache::PkgIterator I = Cache.PkgBegin();
+ for (;I.end() != true; I++)
+ {
+ // We search against the install version as that makes the most sense..
+ pkgCache::VerIterator V = Cache.GetCandidateVer(I);
+ if (V.end() == true)
+ continue;
+
+ pkgRecords::Parser &P = Recs.Lookup(V.FileList());
+
+ if (regexec(&Pattern,I.Name(),0,0,0) == 0 ||
+ (NamesOnly == false &&
+ regexec(&Pattern,P.LongDesc().c_str(),0,0,0) == 0))
+ {
+ if (ShowFull == true)
+ DisplayRecord(V);
+ else
+ cout << I.Name() << " - " << P.ShortDesc() << endl;
+ }
+ }
+
+ regfree(&Pattern);
+ return true;
+}
+ /*}}}*/
+// ShowPackage - Dump the package record to the screen /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool ShowPackage(CommandLine &CmdL)
+{
+ pkgCache &Cache = *GCache;
+ for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+ {
+ pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
+ if (Pkg.end() == true)
+ {
+ _error->Warning("Unable to locate package %s",*I);
+ continue;
+ }
+
+ // Find the proper version to use. We should probably use the DepCache.
+ if (_config->FindB("APT::Cache::AllVersions","true") == true)
+ {
+ pkgCache::VerIterator V;
+ for (V = Pkg.VersionList(); V.end() == false; V++)
+ {
+ if (DisplayRecord(V) == false)
+ return false;
+ }
+ }
+ else
+ {
+ pkgCache::VerIterator V = Cache.GetCandidateVer(Pkg);
+ if (V.end() == true || V.FileList().end() == true)
+ continue;
+ if (DisplayRecord(V) == false)
+ return false;
+ }
+ }
+ return true;
+}
+ /*}}}*/
+// ShowPkgNames - Show package names /*{{{*/
+// ---------------------------------------------------------------------
+/* This does a prefix match on the first argument */
+bool ShowPkgNames(CommandLine &CmdL)
+{
+ pkgCache &Cache = *GCache;
+ pkgCache::PkgIterator I = Cache.PkgBegin();
+ bool All = _config->FindB("APT::Cache::AllNames","false");
+
+ if (CmdL.FileList[1] != 0)
+ {
+ for (;I.end() != true; I++)
+ {
+ if (All == false && I->VersionList == 0)
+ continue;
+
+ if (strncmp(I.Name(),CmdL.FileList[1],strlen(CmdL.FileList[1])) == 0)
+ cout << I.Name() << endl;
+ }
+
+ return true;
+ }
+
+ // Show all pkgs
+ for (;I.end() != true; I++)
+ {
+ if (All == false && I->VersionList == 0)
+ continue;
+ cout << I.Name() << endl;
+ }
projects / apt.git / blobdiff