public void WriteZipDataHeader(ref ZipDataHeader h, bool writeSizes)
{
h.Signature = Signature;
h.NeedVer = Version;
h.CompType = 0;
h.FileTime = Util.DateTimeToDosTime(this.DateTime);
h.FileDate = Util.DateTimeToDosDate(this.DateTime);
h.Option = 8;
if (writeSizes == false)
{
h.CompSize = h.UncompSize = 0;
h.Crc32 = 0;
if (this.Compress)
{
h.NeedVer = VersionWithCompress;
h.CompType = 8;
}
}
else
{
h.CompSize = h.UncompSize = (uint)this.Size;
if (this.Compress)
{
h.CompSize = (uint)this.CompressSize;
h.CompType = 8;
}
h.Crc32 = this.Crc32;
}
h.FileNameLen = (ushort)this.Encoding !.GetByteCount(this.Name !);
h.ExtraLen = 0;
}
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.Legacy_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.Legacy_StructToByte(e));
}
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.Legacy_StructToByte(h));
fifo.Write(this.Encoding.GetBytes(f.Name));
f.Crc32 = 0xffffffff;
if (compress)
{
f.ZStream = new Basic.Internal.ZStream();
f.ZStream.deflateInit(-1, -15);
}
currentFile = f;
}
