Пример #1
0
        public static void ReadExternalFileList()
        {
            external_files = new ext_file_list();

            if (System.IO.File.Exists("names.txt"))
            {
                System.IO.StreamReader reader      = new System.IO.StreamReader(System.IO.File.OpenRead("names.txt"));
                List <string>          known_files = new List <string>();
                string line;
                while ((line = reader.ReadLine()) != null)
                {
                    known_files.Add(line);
                }
                //map a list of hash keys to the file...
                external_files.files = known_files.ToArray();
                if (external_files.files != null)
                {
                    external_files.hashkeys = new UInt32[external_files.files.Length];
                    for (int i = 0; i < external_files.files.Length; i++)
                    {
                        external_files.hashkeys[i] = TAHUtil.CalcHash(external_files.files[i]);
                        //Console.WriteLine(external_files.hashkeys[i].ToString("X8") + "\t" + external_files.files[i]);
                    }
                }
                //sorting for faster look up...
                Array.Sort(external_files.hashkeys, external_files.files);
            }
        }
Пример #2
0
        // TAHにファイルを加える.
        public void Add(string filename)
        {
            // オリジナルのファイル名を保存しておく.
            delegateFileList.Add(filename);
            // TAHに格納可能なファイル名に変換する.
            string   regularfile = filename.Replace('\\', '/');
            TAHEntry tahentry    = new TAHEntry();

            tahentry.DataOffset = 0;
            tahentry.FileName   = regularfile;
            tahentry.Length     = 0;
            if (Path.GetDirectoryName(regularfile) == "")
            {
                // dddddddd_xxxxxxxx.eee形式をハッシュ値に戻す
                if (regularfile.Length >= 17)
                {
                    string hashcode = regularfile.Substring(9, 8);
                    try
                    {
                        // 16進数からハッシュ値に.
                        tahentry.Hash = UInt32.Parse(hashcode, System.Globalization.NumberStyles.HexNumber);
                        // 暫定ファイル名は削除.
                        tahentry.FileName = null;
                    }
                    catch (Exception)
                    {
                        // 判んない時は適当につける.
                        tahentry.Hash = TAHUtil.CalcHash(regularfile);
                    }
                }
                else
                {
                    // 判んない時は適当につける.
                    tahentry.Hash = TAHUtil.CalcHash(regularfile);
                }
            }
            else
            {
                tahentry.Hash = TAHUtil.CalcHash(regularfile);
            }
            TAHContent content = new TAHContent(tahentry, null);

            contents.Add(content);
        }
Пример #3
0
        public void Read(BinaryReader br, TAHFile file)
        {
            // ディレクトリデータの読み込み
            Files = new List <string>(file.Header.NumEntries);
            int output_length = br.ReadInt32();
            int input_length  = (int)(file.EntrySet[0].DataOffset - br.BaseStream.Position); //- 16 - 8 * file.Header.NumEntries;

            byte[] input  = br.ReadBytes(input_length);
            byte[] output = new byte[output_length];

            if (output.Length == 0)
            {
                return;
            }

            // add konoa:tahdecryptorのバグ回避.
            if (input.Length == 0)
            {
                return;
            }

            TAHUtil.Decrypt(input, output);
            //TAHdecrypt.Decrypter.decrypt(ref input, (uint)input.Length, ref output, (uint)output.Length);

            MemoryStream ms  = new MemoryStream(output);
            BinaryReader br2 = new BinaryReader(ms);

            try
            {
                string dir = "";

                while (ms.Position < ms.Length)
                {
                    string name = TAHUtil.ReadString(br2);

                    if (name.Length == 0)
                    {
                    }
                    else
                    if (name.EndsWith("/"))
                    {
                        dir = name;
                        //DbgPrint("Directory:            " + dir);
                    }
                    else
                    {
                        name = dir + name;
                        uint     hash = TAHUtil.CalcHash(name);
                        TAHEntry ent;

                        //DbgPrint(hash.ToString("X").PadLeft(8, '0'));

                        if (file.EntrySet.TryGetValue(hash, out ent))
                        {
                            ent.FileName = name;
                            //DbgPrint(": Found:     " + file);
                        }
                        else
                        {
                            //DbgPrint(": Not Found: " + file);
                            System.Diagnostics.Debug.Assert(false);
                        }

                        //EntryMap[hash].FileName = FileName;
                    }

                    Files.Add(name);
                }
            }
            catch (EndOfStreamException)
            {
            }
        }