private int WriteHeader(string filename, DateTime?modificationTime, CompressionInfo compressionInfo)
{
ZipCompressionInfo info = (compressionInfo != null) ? new ZipCompressionInfo(compressionInfo) : this.zipCompressionInfo;
byte[] bytes = ArchiveEncoding.Default.GetBytes(filename);
base.OutputStream.Write(BitConverter.GetBytes((uint)0x4034b50), 0, 4);
byte[] buffer = new byte[2];
buffer[0] = 0x3f;
base.OutputStream.Write(buffer, 0, 2);
HeaderFlags flags = (ArchiveEncoding.Default == Encoding.UTF8) ? HeaderFlags.UTF8 : ((HeaderFlags)0);
if (!base.OutputStream.CanSeek)
{
flags = (HeaderFlags)((ushort)(flags | HeaderFlags.UsePostDataDescriptor));
if (info.Compression == ZipCompressionMethod.LZMA)
{
flags = (HeaderFlags)((ushort)(flags | HeaderFlags.Bit1));
}
}
base.OutputStream.Write(BitConverter.GetBytes((ushort)flags), 0, 2);
base.OutputStream.Write(BitConverter.GetBytes((ushort)info.Compression), 0, 2);
base.OutputStream.Write(BitConverter.GetBytes(Utility.DateTimeToDosTime(modificationTime)), 0, 4);
buffer = new byte[12];
base.OutputStream.Write(buffer, 0, 12);
base.OutputStream.Write(BitConverter.GetBytes((ushort)bytes.Length), 0, 2);
base.OutputStream.Write(BitConverter.GetBytes((ushort)0), 0, 2);
base.OutputStream.Write(bytes, 0, bytes.Length);
return(30 + bytes.Length);
}
public ZipWriter(Stream destination, CompressionInfo compressionInfo, string zipComment)
: base(ArchiveType.Zip)
{
this.zipComment = zipComment ?? string.Empty;
this.zipCompressionInfo = new ZipCompressionInfo(compressionInfo);
InitalizeStream(destination, false);
}
public ZipWriter(Stream destination, CompressionInfo compressionInfo, string zipComment)
: base(ArchiveType.Zip)
{
this.zipComment = zipComment ?? string.Empty;
this.zipCompressionInfo = new ZipCompressionInfo(compressionInfo);
InitalizeStream(destination, false);
}
public ZipWriter(Stream destination, CompressionInfo compressionInfo, string zipComment) : base(ArchiveType.Zip)
{
this.ppmdProperties = new PpmdProperties();
this.entries = new List <ZipCentralDirectoryEntry>();
this.zipComment = zipComment ?? string.Empty;
this.zipCompressionInfo = new ZipCompressionInfo(compressionInfo);
base.InitalizeStream(destination, false);
}
public ZipWritingStream(ZipWriter writer, Stream originalStream, ZipCentralDirectoryEntry entry, CompressionInfo compressionInfo)
{
this.writer = writer;
this.entry = entry;
this.compressionInfo = compressionInfo == null ? writer.zipCompressionInfo : new ZipCompressionInfo(compressionInfo);
writeStream = GetWriteStream(originalStream);
}
public ZipWriter(Stream destination, CompressionInfo compressionInfo, string zipComment)
: base(ArchiveType.Zip)
{
this.ppmdProperties = new PpmdProperties();
this.entries = new List<ZipCentralDirectoryEntry>();
this.zipComment = zipComment ?? string.Empty;
this.zipCompressionInfo = new ZipCompressionInfo(compressionInfo);
base.InitalizeStream(destination, false);
}
internal ZipWriter(Stream destination, CompressionInfo compressionInfo, string zipComment, string password = null, bool leaveOpen = false)
: base(ArchiveType.Zip)
{
this.zipComment = zipComment ?? string.Empty;
this.zipCompressionInfo = new ZipCompressionInfo(compressionInfo);
this.password = password;
InitalizeStream(destination, !leaveOpen);
}
internal ZipWritingStream(ZipWriter writer, Stream originalStream, ZipCentralDirectoryEntry entry, CompressionInfo compressionInfo)
{
this.writer = writer;
this.originalStream = originalStream;
this.writer = writer;
this.entry = entry;
this.compressionInfo = compressionInfo == null ? writer.zipCompressionInfo : new ZipCompressionInfo(compressionInfo);
writeStream = GetWriteStream(originalStream);
}
