internal sZippedFile(TarHeader header, byte[] data)
{
_header = header;
_data = data;
}
public ZipFile(Stream strm, bool read)
{
_strm = strm;
if (!read)
_bw = new BinaryWriter(new GZipStream(_strm, CompressionMode.Compress, true));
else
{
_br = new BinaryReader(new GZipStream(_strm, CompressionMode.Decompress, true));
_base = new sZippedFolder("");
while (true)
{
byte[] bhead = new byte[512];
int bread = _br.Read(bhead, 0, 512);
if (bread == 0)
break;
TarHeader head = new TarHeader(bhead);
switch (head.TypeFlag)
{
case TarHeader.EntryTypes.DIRECTORY:
_base.AddFolder(head.Name, head.Prefix);
break;
case TarHeader.EntryTypes.NORMAL:
byte[] data = _br.ReadBytes((int)head.Size);
int size = 0;
while ((data.Length + size) % 512 != 0)
{
_br.ReadByte();
size++;
}
_base.AddFile(head, data);
break;
}
}
}
}
internal void AddFile(TarHeader header, byte[] data)
{
string prefix = header.Prefix;
if (prefix != null)
{
if ((prefix == _name) || (prefix == ""))
_files.Add(new ZipFile.sZippedFile(header, data));
else
{
AddFolder(prefix.Substring(prefix.LastIndexOf('/')), prefix.Substring(0, prefix.LastIndexOf('/')));
string[] split = prefix.Trim('/').Split('/');
sZippedFolder fold = this;
int x = 0;
if (split[x] == _name)
x++;
while (x < split.Length)
{
List<sZippedFolder> folds = fold.Folders;
foreach (sZippedFolder szf in folds)
{
if (szf.Name == split[x])
{
fold = szf;
break;
}
}
x++;
}
fold._files.Add(new ZipFile.sZippedFile(header, data));
}
}
else
_files.Add(new ZipFile.sZippedFile(header, data));
}