private void ParseRecord(BinaryReader reader, string fileName, long position, ZipIOCentralDirectoryBlock centralDir, ZipIOCentralDirectoryFileHeader centralDirFileHeader)
{
this.CheckDisposed();
this._localFileHeader = ZipIOLocalFileHeader.ParseRecord(reader, this._blockManager.Encoding);
if (this._localFileHeader.StreamingCreationFlag)
{
this._blockManager.Stream.Seek(centralDirFileHeader.CompressedSize, SeekOrigin.Current);
this._localFileDataDescriptor = ZipIOLocalFileDataDescriptor.ParseRecord(reader, centralDirFileHeader.CompressedSize, centralDirFileHeader.UncompressedSize, centralDirFileHeader.Crc32, this._localFileHeader.VersionNeededToExtract);
}
else
{
this._localFileDataDescriptor = null;
}
this._offset = position;
this._dirtyFlag = false;
this._fileItemStream = new ZipIOFileItemStream(this._blockManager, this, position + this._localFileHeader.Size, centralDirFileHeader.CompressedSize);
if (this._localFileHeader.CompressionMethod == CompressionMethodEnum.Deflated)
{
this._deflateStream = new CompressStream(this._fileItemStream, centralDirFileHeader.UncompressedSize);
this._crcCalculatingStream = new ProgressiveCrcCalculatingStream(this._blockManager, this._deflateStream, this.Crc32);
}
else
{
if (this._localFileHeader.CompressionMethod != CompressionMethodEnum.Stored)
{
throw new NotSupportedException(SR.Get("ZipNotSupportedCompressionMethod"));
}
this._crcCalculatingStream = new ProgressiveCrcCalculatingStream(this._blockManager, this._fileItemStream, this.Crc32);
}
this.Validate(fileName, centralDir, centralDirFileHeader);
}
protected virtual void Dispose(bool disposing)
{
if (disposing && !this._disposedFlag)
{
try
{
this.CloseExposedStreams();
this._crcCalculatingStream.Close();
if (this._deflateStream != null)
{
this._deflateStream.Close();
}
this._fileItemStream.Close();
}
finally
{
this._disposedFlag = true;
this._crcCalculatingStream = null;
this._deflateStream = null;
this._fileItemStream = null;
}
}
}