internal bool LoadLocalHeaderExtraFieldAndCompressedBytesIfNeeded()
{
if (this._originallyInArchive)
{
this._archive.ArchiveStream.Seek(this._offsetOfLocalHeader, SeekOrigin.Begin);
this._lhUnknownExtraFields = ZipLocalFileHeader.GetExtraFields(this._archive.ArchiveReader);
}
if (!this._everOpenedForWrite && this._originallyInArchive)
{
this._compressedBytes = new byte[this._compressedSize];
this._archive.ArchiveStream.Seek(this.OffsetOfCompressedData, SeekOrigin.Begin);
ZipHelper.ReadBytes(this._archive.ArchiveStream, this._compressedBytes, (int)this._compressedSize);
}
return(true);
}
private static bool SeekBackwardsAndRead(Stream stream, byte[] buffer, out int bufferPointer)
{
if (stream.Position >= (long)buffer.Length)
{
stream.Seek((long)-buffer.Length, SeekOrigin.Current);
ZipHelper.ReadBytes(stream, buffer, buffer.Length);
stream.Seek((long)-buffer.Length, SeekOrigin.Current);
bufferPointer = buffer.Length - 1;
return(false);
}
else
{
int bytesToRead = (int)stream.Position;
stream.Seek(0L, SeekOrigin.Begin);
ZipHelper.ReadBytes(stream, buffer, bytesToRead);
stream.Seek(0L, SeekOrigin.Begin);
bufferPointer = bytesToRead - 1;
return(true);
}
}
