public static TAHEntry Load(BinaryReader br, TAHFile file)
{
TAHEntry h = new TAHEntry();
h.Read(br, file);
return(h);
}
public void Read(BinaryReader br, TAHFile file)
{
Entries = new List <TAHEntry>(file.Header.NumEntries);
EntryMap = new Dictionary <uint, TAHEntry>();
for (int i = 0, n = file.Header.NumEntries; i < n; ++i)
{
TAHEntry e = TAHEntry.Load(br, file);
if (i != 0)
{
TailEntry.Length = (int)(e.DataOffset - TailEntry.DataOffset);
}
//Console.WriteLine(e.ToString());
Entries.Add(e);
if (EntryMap.ContainsKey(e.Hash))
{
//Console.WriteLine("Error: delect hashkey collision. " + e.Hash.ToString("X8") + ": " + e.DataOffset.ToString());
Debug.WriteLine("Error: detect hashkey collision. " + e.Hash.ToString("X8") + ": " + e.DataOffset.ToString());
}
else
{
EntryMap.Add(e.Hash, e);
}
}
TailEntry.Length = (int)(br.BaseStream.Length - TailEntry.DataOffset);
}
public static byte[] ReadEntryData(BinaryReader br, TAHEntry e)
{
br.BaseStream.Seek(e.DataOffset, SeekOrigin.Begin);
byte[] output = new byte[br.ReadInt32()];
byte[] input = br.ReadBytes(e.Length - 4);
TAHUtil.Decrypt(input, output);
return(output);
}
// ファイル名を取得する.
private static string GetFileName(TAHEntry entry)
{
string filename;
filename = entry.FileName;
if (filename == null)
{
filename = "00000000" + "_" + entry.Hash.ToString("x8");
}
return(filename);
}
// 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 TAHContent LoadContent(BinaryReader br, TAHEntry e)
{
return(new TAHContent(e, TAHUtil.ReadEntryData(br, e)));
}
public TAHContent(TAHEntry e, byte[] data)
{
Entry = e;
Data = data;
}
public bool TryGetValue(uint hash, out TAHEntry e)
{
return(EntryMap.TryGetValue(hash, out e));
}
public static byte[] ReadRawEntryData(BinaryReader br, TAHEntry e, out uint len)
{
br.BaseStream.Seek(e.DataOffset, SeekOrigin.Begin);
len = br.ReadUInt32();
return(br.ReadBytes(e.Length - 4));
}