public CompressedContainer(XlBinaryReader CompressedData)
{
this.reader = CompressedData;
this.CompressedRecordEnd = CompressedData.Length;
// Read signature byte
this.SignatureByte = CompressedData.ReadByte();
SanityCheckSignatureByte(this.SignatureByte);
//while (ArrayIndex < CompressedRecordEnd)
while (!CompressedData.EndOfData)
{
var chunk = new CompressedChunk(CompressedData);
_Chunks.Add(chunk);
}
//throw new NotImplementedException();
}
public TokenSequence(XlBinaryReader CompressedData, int remainingBytes)
{
this.FlagByte = CompressedData.ReadByte();
--remainingBytes;
for (int i = 0; i < 8; i++)
{
if (remainingBytes == 0)
{
break;
}
//int index = (i - 7) * (-1); // The most significant byte describes the first token. The second most significant byte the second token. etc. So we map 0 -> 7, 1 -> 6, 2 -> 5, 3 -> 4, 4 -> 3, 5 -> 2, 6 -> 1, 7 -> 0
TokenType tokenType = GetTokenTypeAtIndex(i);
if (tokenType == TokenType.CopyToken)
{
var token = new CopyToken(CompressedData);
this._Tokens.Add(token);
remainingBytes -= token.GetSizeInBytes();
}
else if (tokenType == TokenType.LiteralToken)
{
var token = new LiteralToken(CompressedData);
this._Tokens.Add(token);
remainingBytes -= token.GetSizeInBytes();
}
else
{
throw new Exception();
}
// todo: last token sequence could contain less than 8 tokens
}
}
public LiteralToken(XlBinaryReader Data)
{
this.Data = Data.ReadByte();
}