private void ReadOffsets(BlockBuffer buffer, ushort offsetCount)
{
int recordOffsetSize = new RecordOffset(0, 0).Size;
for (int i = 0; i < offsetCount; i++)
{
RecordOffset offset = new RecordOffset(buffer.ReadBytes(recordOffsetSize));
Offsets.Add(offset);
}
}
public BlockHeader(BlockBuffer buffer)
{
Buffer = buffer;
IsFilled = buffer.ReadByte() == 1;
RelationId = BitConverter.ToInt32(buffer.ReadBytes(4));
NextBlockId = new Pointer(BitConverter.ToUInt16(buffer.ReadBytes(4)));
ushort offsetCount = BitConverter.ToUInt16(buffer.ReadBytes(2), 0);
ReadOffsets(buffer, offsetCount);
}
public FileHeader(StorageFile storageFile)
{
_storageFile = storageFile;
BlockBuffer buffer = Read();
FirstFreeBlock = BitConverter.ToUInt32(buffer.ReadBytes(4));
if (FirstFreeBlock == 0)
{
FirstFreeBlock = DefaultFirstBlock;
}
}