WriteUInt16() public method

Writes an unsigned short value to the buffer.
public WriteUInt16 ( ushort value ) : void
value ushort The value to write.
return void
        /// <summary>
        /// Writes an archive directory entry to stream.
        /// </summary>
        /// <param name="writer">The writer stream.</param>
        internal void WriteArchiveDirectoryEntryToStream(Stream writer)
        {
            // File header (in central directory):
            //
            // central file header signature   4 bytes  (0x02014b50)
            // version made by                 2 bytes
            // version needed to extract       2 bytes
            // general purpose bit flag        2 bytes
            // compression method              2 bytes
            // last mod file time              2 bytes
            // last mod file date              2 bytes
            // crc-32                          4 bytes
            // compressed size                 4 bytes
            // uncompressed size               4 bytes
            // file name length                2 bytes
            // extra field length              2 bytes
            // file comment length             2 bytes
            // disk number start               2 bytes
            // internal file attributes        2 bytes
            // external file attributes        4 bytes
            // relative offset of local header 4 bytes
            //
            // file name (variable size)
            // extra field (variable size)
            // file comment (variable size)

            byte[] fileNameBytes = Encoding.UTF8.GetBytes(_name);

            ByteBuffer header = new ByteBuffer(46);

            header.WriteUInt32(SignatureArchiveDirectory);
            header.WriteUInt16(VersionMadeBy);
            header.WriteUInt16(VersionNeededToExtract);
            header.WriteUInt16(GeneralPurposeBitFlag);
            header.WriteUInt16((ushort)_compressionMethod);
            header.WriteUInt32(DateTimeToDosTime(_lastWriteTime));
            header.WriteUInt32(CheckSum);
            header.WriteUInt32((uint)_compressedLength);
            header.WriteUInt32((uint)Length);
            header.WriteUInt16((ushort)fileNameBytes.Length);
            header.WriteUInt16(ExtraFieldLength);
            header.WriteUInt16(FileCommentLength);
            header.WriteUInt16(DiskNumberStart);
            header.WriteUInt16(InternalFileAttributes);
            header.WriteUInt32(ExternalFileAttributes);
            header.WriteUInt32(_headerOffset);

            header.WriteContentsTo(writer);

            writer.Write(fileNameBytes, 0, fileNameBytes.Length);
        }
        /// <summary>
        /// Writes the Zip file header to the stream.
        /// </summary>
        /// <param name="writer">Stream to write to.</param>
        private void WriteZipFileHeader(Stream writer)
        {
            byte[] fileNameBytes = Encoding.UTF8.GetBytes(_name.Replace(Path.DirectorySeparatorChar, '/'));
            if ((uint)_length != _length)
            {
                throw new InvalidOperationException("File length too long.");
            }

            // Local file header:
            //
            // local file header signature     4 bytes  (0x04034b50)
            // version needed to extract       2 bytes
            // general purpose bit flag        2 bytes
            // compression method              2 bytes
            // last mod file time              2 bytes
            // last mod file date              2 bytes
            // crc-32                          4 bytes
            // compressed size                 4 bytes
            // uncompressed size               4 bytes
            // file name length                2 bytes
            // extra field length              2 bytes
            //
            // file name (variable size)
            // extra field (variable size)

            // Save the start of the header file for later use in the dir entry
            _headerOffset = (uint)writer.Position;

            ByteBuffer header = new ByteBuffer(30);

            header.WriteUInt32(SignatureFileEntry);
            header.WriteUInt16(VersionNeededToExtract);
            header.WriteUInt16(GeneralPurposeBitFlag);
            header.WriteUInt16((ushort)_compressionMethod);
            header.WriteUInt32(DateTimeToDosTime(_lastWriteTime));
            header.WriteUInt32(CheckSum);
            header.WriteUInt32((uint)_compressedLength);
            header.WriteUInt32((uint)Length);
            header.WriteUInt16((ushort)fileNameBytes.Length);
            header.WriteUInt16(ExtraFieldLength);                                 // extra field length (unused)

            header.WriteContentsTo(writer);

            writer.Write(fileNameBytes, 0, fileNameBytes.Length);                // write the archiveFile name
        }
        /// <summary>
        /// Implementation of writing an archive directory to the stream.
        /// </summary>
        /// <param name="writer">The writer stream.</param>
        private void WriteArchiveDirectoryToStream(Stream writer)
        {
            // Write the directory entries.
            long startOfDirectory = writer.Position;

            foreach (ZipArchiveFile entry in _entries.Values)
            {
                entry.WriteArchiveDirectoryEntryToStream(writer);
            }
            long endOfDirectory = writer.Position;

            // Write the trailer
            ByteBuffer trailer = new ByteBuffer(22);

            trailer.WriteUInt32(ZipArchiveFile.SignatureArchiveDirectoryEnd);
            trailer.WriteUInt16(ZipArchiveFile.DiskNumberStart);
            trailer.WriteUInt16(ZipArchiveFile.DiskNumberStart);
            trailer.WriteUInt16((ushort)_entries.Count);
            trailer.WriteUInt16((ushort)_entries.Count);
            trailer.WriteUInt32((uint)(endOfDirectory - startOfDirectory));      // directory size
            trailer.WriteUInt32((uint)startOfDirectory);                         // directory start
            trailer.WriteUInt16((ushort)ZipArchiveFile.FileCommentLength);
            trailer.WriteContentsTo(writer);
        }
        /// <summary>
        /// Implementation of writing an archive directory to the stream.
        /// </summary>
        /// <param name="writer">The writer stream.</param>
        private void WriteArchiveDirectoryToStream(Stream writer)
        {
            // Write the directory entries.
            long startOfDirectory = writer.Position;
            foreach (ZipArchiveFile entry in _entries.Values)
            {
                entry.WriteArchiveDirectoryEntryToStream(writer);
            }
            long endOfDirectory = writer.Position;

            // Write the trailer
            ByteBuffer trailer = new ByteBuffer(22);
            trailer.WriteUInt32(ZipArchiveFile.SignatureArchiveDirectoryEnd);
            trailer.WriteUInt16(ZipArchiveFile.DiskNumberStart);
            trailer.WriteUInt16(ZipArchiveFile.DiskNumberStart);
            trailer.WriteUInt16((ushort)_entries.Count);
            trailer.WriteUInt16((ushort)_entries.Count);
            trailer.WriteUInt32((uint)(endOfDirectory - startOfDirectory));      // directory size
            trailer.WriteUInt32((uint)startOfDirectory);                         // directory start
            trailer.WriteUInt16((ushort)ZipArchiveFile.FileCommentLength);
            trailer.WriteContentsTo(writer);
        }
        /// <summary>
        /// Writes an archive directory entry to stream.
        /// </summary>
        /// <param name="writer">The writer stream.</param>
        internal void WriteArchiveDirectoryEntryToStream(Stream writer)
        {
            // File header (in central directory):
            //
            // central file header signature   4 bytes  (0x02014b50)
            // version made by                 2 bytes
            // version needed to extract       2 bytes
            // general purpose bit flag        2 bytes
            // compression method              2 bytes
            // last mod file time              2 bytes
            // last mod file date              2 bytes
            // crc-32                          4 bytes
            // compressed size                 4 bytes
            // uncompressed size               4 bytes
            // file name length                2 bytes
            // extra field length              2 bytes
            // file comment length             2 bytes
            // disk number start               2 bytes
            // internal file attributes        2 bytes
            // external file attributes        4 bytes
            // relative offset of local header 4 bytes
            //
            // file name (variable size)
            // extra field (variable size)
            // file comment (variable size)

            byte[] fileNameBytes = Encoding.UTF8.GetBytes(_name);

            ByteBuffer header = new ByteBuffer(46);
            header.WriteUInt32(SignatureArchiveDirectory);
            header.WriteUInt16(VersionMadeBy);
            header.WriteUInt16(VersionNeededToExtract);
            header.WriteUInt16(GeneralPurposeBitFlag);
            header.WriteUInt16((ushort)_compressionMethod);
            header.WriteUInt32(DateTimeToDosTime(_lastWriteTime));
            header.WriteUInt32(CheckSum);
            header.WriteUInt32((uint)_compressedLength);
            header.WriteUInt32((uint)Length);
            header.WriteUInt16((ushort)fileNameBytes.Length);
            header.WriteUInt16(ExtraFieldLength);
            header.WriteUInt16(FileCommentLength);
            header.WriteUInt16(DiskNumberStart);
            header.WriteUInt16(InternalFileAttributes);
            header.WriteUInt32(ExternalFileAttributes);
            header.WriteUInt32(_headerOffset);

            header.WriteContentsTo(writer);

            writer.Write(fileNameBytes, 0, fileNameBytes.Length);
        }
        /// <summary>
        /// Writes the Zip file header to the stream.
        /// </summary>
        /// <param name="writer">Stream to write to.</param>
        private void WriteZipFileHeader(Stream writer)
        {
            byte[] fileNameBytes = Encoding.UTF8.GetBytes(_name.Replace(Path.DirectorySeparatorChar, '/'));
            if ((uint)_length != _length)
            {
                throw new InvalidOperationException("File length too long.");
            }

            // Local file header:
            //
            // local file header signature     4 bytes  (0x04034b50)
            // version needed to extract       2 bytes
            // general purpose bit flag        2 bytes
            // compression method              2 bytes
            // last mod file time              2 bytes
            // last mod file date              2 bytes
            // crc-32                          4 bytes
            // compressed size                 4 bytes
            // uncompressed size               4 bytes
            // file name length                2 bytes
            // extra field length              2 bytes
            //
            // file name (variable size)
            // extra field (variable size)

            // Save the start of the header file for later use in the dir entry
            _headerOffset = (uint)writer.Position;

            ByteBuffer header = new ByteBuffer(30);
            header.WriteUInt32(SignatureFileEntry);
            header.WriteUInt16(VersionNeededToExtract);
            header.WriteUInt16(GeneralPurposeBitFlag);
            header.WriteUInt16((ushort)_compressionMethod);
            header.WriteUInt32(DateTimeToDosTime(_lastWriteTime));
            header.WriteUInt32(CheckSum);
            header.WriteUInt32((uint)_compressedLength);
            header.WriteUInt32((uint)Length);
            header.WriteUInt16((ushort)fileNameBytes.Length);
            header.WriteUInt16(ExtraFieldLength);                                 // extra field length (unused)

            header.WriteContentsTo(writer);

            writer.Write(fileNameBytes, 0, fileNameBytes.Length);                // write the archiveFile name
        }