/// <summary>
/// Deserialize the block with the given id.
/// </summary>
/// <param name="blockId"></param>
/// <returns></returns>
private CHBlock DeserializeBlock(uint blockId)
{
int blockOffset;
int blockSize;
uint blockIdx = blockId / _blockSize;
if (blockIdx == 0)
{ // the block idx zero.
blockOffset = _startOfBlocks;
blockSize = _blocksIndex.LocationIndex[blockIdx];
}
else
{ // need to calculate offset and size.
blockOffset = _startOfBlocks + _blocksIndex.LocationIndex[blockIdx - 1];
blockSize = _blocksIndex.LocationIndex[blockIdx] - _blocksIndex.LocationIndex[blockIdx - 1];
}
return(_serializer.DeserializeBlock(_stream, blockOffset, blockSize, true));
}
