public RepositoryFile(Stream stream)
{
this.Stream = stream;
byte[] buffer1 = new byte[256];
stream.Read(buffer1, 0, 256);
long offset = BitConverter.ToInt64(buffer1, 12);
this.files = new Dictionary <ulong, Repository.RepositoryFileInfo>(BitConverter.ToInt32(buffer1, 24));
byte[] buffer2 = new byte[12];
while (offset != 0L)
{
stream.Seek(offset, SeekOrigin.Begin);
stream.Read(buffer2, 0, buffer2.Length);
int num1 = BitConverter.ToInt32(buffer2, 0);
long num4 = BitConverter.ToInt64(buffer2, 4);
byte[] numArray = new byte[num1 * 34];
stream.Read(numArray, 0, numArray.Length);
for (int num2 = 0; num2 < num1; ++num2)
{
Repository.RepositoryFileInfo repositoryFileInfo = new Repository.RepositoryFileInfo(numArray, num2);
repositoryFileInfo.File = this;
this.files[repositoryFileInfo.Hash] = repositoryFileInfo;
}
offset = num4;
}
}
public RepositoryFile(System.IO.Stream stream)
{
this.Stream = stream;
byte[] buffer = new byte[0x100];
stream.Read(buffer, 0, 0x100);
long offset = BitConverter.ToInt64(buffer, 12);
int capacity = BitConverter.ToInt32(buffer, 0x18);
this.files = new Dictionary <ulong, Repository.RepositoryFileInfo>(capacity);
byte[] buffer2 = new byte[12];
while (offset != 0L)
{
stream.Seek(offset, SeekOrigin.Begin);
stream.Read(buffer2, 0, buffer2.Length);
int num3 = BitConverter.ToInt32(buffer2, 0);
long num4 = BitConverter.ToInt64(buffer2, 4);
byte[] buffer3 = new byte[num3 * 0x22];
stream.Read(buffer3, 0, buffer3.Length);
for (int i = 0; i < num3; i++)
{
Repository.RepositoryFileInfo info = new Repository.RepositoryFileInfo(buffer3, i)
{
File = this
};
this.files[info.Hash] = info;
}
offset = num4;
}
}
public Repository.RepositoryFileInfo GetFileInfo(ulong hash, string name)
{
if (!this.files.ContainsKey(hash))
{
return((Repository.RepositoryFileInfo)null);
}
Repository.RepositoryFileInfo repositoryFileInfo = this.files[hash];
repositoryFileInfo.Name = name;
return(repositoryFileInfo);
}
public Stream GetFile(string name)
{
Repository.RepositoryFileInfo fileInfo = this.GetFileInfo(name);
if (fileInfo != null)
{
return(fileInfo.File.GetFile(fileInfo));
}
else
{
return((Stream)null);
}
}
public Repository.RepositoryFileInfo GetFileInfo(string name)
{
ulong hash = Repository.Hasher.Hash(name, 3735928559U);
foreach (Repository.RepositoryFile repositoryFile in this.repositoryFiles)
{
Repository.RepositoryFileInfo fileInfo = repositoryFile.GetFileInfo(hash, name);
if (fileInfo != null)
{
return(fileInfo);
}
}
return((Repository.RepositoryFileInfo)null);
}
public Stream GetFile(Repository.RepositoryFileInfo info)
{
byte[] buffer1 = new byte[info.UncompressedSize];
switch (info.CompressionMethod)
{
case (ushort)0:
this.Stream.Seek(info.Offset + (long)info.HeaderSize, SeekOrigin.Begin);
this.Stream.Read(buffer1, 0, buffer1.Length);
break;
case (ushort)1:
this.Stream.Seek(info.Offset + (long)info.HeaderSize, SeekOrigin.Begin);
byte[] buffer2 = new byte[info.CompressedSize];
this.Stream.Read(buffer2, 0, buffer2.Length);
Inflater inflater = new Inflater();
inflater.SetInput(buffer2);
inflater.Inflate(buffer1);
break;
}
return((Stream) new MemoryStream(buffer1));
}
public void ExtractFile(Repository.RepositoryFileInfo info)
{
Stream file = info.File.GetFile(info);
string path1 = (info.Name == null ? string.Format("{0}/{1:X}.bin", (object)this.extractBasePath, (object)info.Hash) : this.extractBasePath + info.Name).Replace('/', '\\');
Repository.RepoDirectory repoDirectory1 = this.rootDirectory;
string[] strArray = info.Name.Split(new char[1]
{
'/'
});
string path2 = this.extractBasePath + "\\";
for (int index = 1; index < strArray.Length - 1; ++index)
{
if (repoDirectory1.SubDirectories.ContainsKey(strArray[index]))
{
repoDirectory1 = repoDirectory1.SubDirectories[strArray[index]];
}
else
{
Repository.RepoDirectory repoDirectory2 = new Repository.RepoDirectory();
repoDirectory2.Name = strArray[index];
repoDirectory1.SubDirectories[strArray[index]] = repoDirectory2;
repoDirectory1 = repoDirectory2;
}
path2 = path2 + strArray[index] + "\\";
}
if (!repoDirectory1.Files.Contains(strArray[strArray.Length - 1]))
{
repoDirectory1.Files.Add(strArray[strArray.Length - 1]);
}
Directory.CreateDirectory(path2);
Stream stream = (Stream)File.Open(path1, FileMode.Create, FileAccess.Write);
byte[] buffer = new byte[file.Length];
file.Read(buffer, 0, buffer.Length);
stream.Write(buffer, 0, buffer.Length);
file.Close();
stream.Close();
}
public System.IO.Stream GetFile(Repository.RepositoryFileInfo info)
{
byte[] buffer = new byte[info.UncompressedSize];
switch (info.CompressionMethod)
{
case 0:
this.Stream.Seek(info.Offset + info.HeaderSize, SeekOrigin.Begin);
this.Stream.Read(buffer, 0, buffer.Length);
break;
case 1:
{
this.Stream.Seek(info.Offset + info.HeaderSize, SeekOrigin.Begin);
byte[] buffer2 = new byte[info.CompressedSize];
this.Stream.Read(buffer2, 0, buffer2.Length);
Inflater inflater = new Inflater();
inflater.SetInput(buffer2);
inflater.Inflate(buffer);
break;
}
}
return(new MemoryStream(buffer));
}