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.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 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; }
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)); }