void addFileFooter()
{
ZipDataFooter f = new ZipDataFooter();
currentFile.WriteZipDataFooter(ref f);
fifo.Write(Util.StructToByte(f));
}
public void CalcChecksum()
{
TarHeader h2 = this;
Array.Clear(h2.CheckSum, 0, h2.CheckSum.Length);
byte[] data = Util.StructToByte(h2);
SetChecksum(data);
}
public void Finish()
{
long posStart = fifo.TotalWriteSize;
foreach (File f in this.fileList)
{
ZipDirHeader d = new ZipDirHeader();
d.Signature = 0x02014B50; // ZipPacker.Signature;
d.MadeVer = Version;
ZipDataHeader dh = new ZipDataHeader();
f.WriteZipDataHeader(ref dh, true);
if (f.Compress)
{
dh.CompType = 8;
dh.CompSize = (uint)f.CompressSize;
dh.NeedVer = ZipPacker.VersionWithCompress;
}
d.NeedVer = dh.NeedVer;
d.Option = dh.Option;
d.CompType = dh.CompType;
d.FileTime = dh.FileTime;
d.FileDate = dh.FileDate;
d.Crc32 = dh.Crc32;
d.CompSize = dh.CompSize;
d.UncompSize = dh.UncompSize;
d.FileNameLen = dh.FileNameLen;
d.ExtraLen = dh.ExtraLen;
d.CommentLen = 0;
d.DiskNum = 0;
d.InAttr = 0;
d.OutAttr = (ushort)f.Attributes;
d.HeaderPos = f.HeaderPos;
fifo.Write(Util.StructToByte(d));
fifo.Write(this.Encoding.GetBytes(f.Name));
}
long posEnd = fifo.TotalWriteSize;
ZipEndHeader e = new ZipEndHeader();
e.Signature = ZipPacker.SignatureEnd;
e.DiskNum = e.StartDiskNum = 0;
e.DiskDirEntry = e.DirEntry = (ushort)this.fileList.Count;
e.DirSize = (uint)(posEnd - posStart);
e.StartPos = (uint)posStart;
e.CommentLen = 0;
fifo.Write(Util.StructToByte(e));
}
public void AddDirectory(string name, DateTime dt, string mode)
{
name = name.Replace('\\', '/');
if (name.EndsWith("/") == false)
{
name = name + "/";
}
if (dirList.ContainsKey(name) == false)
{
TarHeader h = TarUtil.CreateTarHeader(name, encoding, 5, 0, dt, mode);
fifo.Write(Util.StructToByte(h));
dirList.Add(name, 0);
}
}
public void Write(byte[] data, int pos, int len, bool finish)
{
byte[] srcData = Util.ExtractByteArray(data, pos, len);
byte[] dstData = new byte[srcData.Length * 2 + 100];
if (this.finished)
{
throw new ApplicationException("already finished");
}
zs.next_in = srcData;
zs.avail_in = srcData.Length;
zs.next_in_index = 0;
zs.next_out = dstData;
zs.avail_out = dstData.Length;
zs.next_out_index = 0;
if (finish)
{
zs.deflate(zlibConst.Z_FINISH);
}
else
{
zs.deflate(zlibConst.Z_SYNC_FLUSH);
}
fifo.Write(dstData, 0, dstData.Length - zs.avail_out);
currentSize += len;
this.crc32 = ZipUtil.Crc32Next(data, pos, len, this.crc32);
if (finish)
{
this.finished = true;
this.crc32 = ~this.crc32;
GZipFooter f = new GZipFooter();
f.CRC32 = this.crc32;
f.ISIZE = (uint)(this.currentSize % 0x100000000);
fifo.Write(Util.StructToByte(f));
}
}
public void AddFileStart(string name, long size, DateTime dt, string directory_mode, string mode)
{
if (currentFileSize != 0 || currentPos != 0)
{
throw new ApplicationException("last file not completed.");
}
name = name.Replace('\\', '/');
if (Str.InStr(name, "/", true))
{
AddDirectory(Path.GetDirectoryName(name), dt, directory_mode);
}
TarHeader h = TarUtil.CreateTarHeader(name, encoding, 0, size, dt, mode);
fifo.Write(Util.StructToByte(h));
currentFileSize = size;
currentPos = 0;
}
public GZipPacker()
{
fifo = new Fifo();
zs = new ZStream();
zs.deflateInit(-1, -15);
this.currentSize = 0;
this.crc32 = 0xffffffff;
this.finished = false;
GZipHeader h = new GZipHeader();
h.ID1 = 0x1f;
h.ID2 = 0x8b;
h.FLG = 0;
h.MTIME = Util.DateTimeToUnixTime(DateTime.Now.ToUniversalTime());
h.XFL = 0;
h.OS = 3;
h.CM = 8;
fifo.Write(Util.StructToByte(h));
}
public void AddFileStart(string name, long size, DateTime dt, FileAttributes attribute, bool compress)
{
if (currentFile != null)
{
throw new ApplicationException("currentFile != null");
}
name = name.Replace("/", "\\");
File f = new File();
f.Encoding = this.Encoding;
f.Name = name;
f.Size = size;
f.DateTime = dt;
f.Attributes = attribute;
f.Compress = compress;
this.fileList.Add(f);
ZipDataHeader h = new ZipDataHeader();
f.HeaderPos = (uint)fifo.TotalWriteSize;
f.WriteZipDataHeader(ref h, false);
fifo.Write(Util.StructToByte(h));
fifo.Write(this.Encoding.GetBytes(f.Name));
f.Crc32 = 0xffffffff;
if (compress)
{
f.ZStream = new CoreUtil.Internal.ZStream();
f.ZStream.deflateInit(-1, -15);
}
currentFile = f;
}
