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);
}
}
private static TAHEntryInfo GetEntry(string filename)
{
uint hash = 0;
// ファイル名からハッシュ値を求める.
if (Path.GetDirectoryName(filename) == "")
{
// dddddddd_xxxxxxxx.eee形式をハッシュ値に戻す
if (filename.Length >= 17)
{
string hashcode = filename.Substring(9, 8);
try
{
// 16進数からハッシュ値に.
hash = UInt32.Parse(hashcode, System.Globalization.NumberStyles.HexNumber);
}
catch (Exception)
{
// 判んない時は適当につける.
hash = TAHUtil.CalcHash(filename);
}
}
else
{
hash = TAHUtil.CalcHash(filename);
}
}
else
{
hash = TAHUtil.CalcHash(filename);
}
return(hashentry[hash]);
}
// 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);
}
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)
{
}
}