private IEnumerable <IMappedBlock> CreateMappedBlocks()
{
// Create an area for the index block pointer
var indexBlockArea = indexSetStore.Store.GetArea(StartOffset);
// First create the list of block entries for this list
var blocks = new IMappedBlock[(int)blockEntries];
if (blockEntries != 0)
{
indexBlockArea.Position = 16;
for (int i = 0; i < blockEntries; ++i)
{
// NOTE: We cast to 'int' here because of internal limitations.
var firstEntry = indexBlockArea.ReadInt8();
var lastEntry = indexBlockArea.ReadInt8();
var blockPointer = indexBlockArea.ReadInt8();
var typeSize = indexBlockArea.ReadInt4();
//TODO: check this...
// size is the first 24 bits (max size = 16MB)
int elementCount = typeSize & 0x0FFF;
byte type = (byte)(BytesUtil.URShift(typeSize, 24) & 0x0F);
blocks[i] = StoreIndex.NewMappedBlock(indexSetStore, firstEntry, lastEntry, blockPointer, elementCount, type,
BlockSize);
}
}
return(blocks);
}
public MappedBlock(StoreIndex index)
: base(index.MaxBlockSize)
{
IndexSetStore = index.IndexSetStore;
maxBlockSize = index.MaxBlockSize;
BlockPointer = -1;
}