Dictionary <string, PackageEntry> ParseIndex(Dictionary <uint, PackageEntry> entries, HashSet <string> allPossibleFilenames) { var classicIndex = new Dictionary <string, PackageEntry>(); var crcIndex = new Dictionary <string, PackageEntry>(); // Try and find a local mix database var dbNameClassic = PackageEntry.HashFilename("local mix database.dat", PackageHashType.Classic); var dbNameCRC = PackageEntry.HashFilename("local mix database.dat", PackageHashType.CRC32); foreach (var kv in entries) { if (kv.Key == dbNameClassic || kv.Key == dbNameCRC) { using (var content = GetContent(kv.Value)) { var db = new XccLocalDatabase(content); foreach (var e in db.Entries) { allPossibleFilenames.Add(e); } } break; } } foreach (var filename in allPossibleFilenames) { var classicHash = PackageEntry.HashFilename(filename, PackageHashType.Classic); var crcHash = PackageEntry.HashFilename(filename, PackageHashType.CRC32); PackageEntry e; if (entries.TryGetValue(classicHash, out e)) { classicIndex.Add(filename, e); } if (entries.TryGetValue(crcHash, out e)) { crcIndex.Add(filename, e); } } var bestIndex = crcIndex.Count > classicIndex.Count ? crcIndex : classicIndex; var unknown = entries.Count - bestIndex.Count; if (unknown > 0) { Android.Util.Log.Debug("debug", "{0}: failed to resolve filenames for {1} unknown hashes".F(Name, unknown)); } return(bestIndex); }
public Stream GetContent(PackageEntry entry) { return(SegmentStream.CreateWithoutOwningStream(s, dataStart + entry.Offset, (int)entry.Length)); }