/// <summary>
/// Initializes a new instance of the <see cref="SmallBlockTableWriter"/> class.
/// </summary>
/// <param name="documents">a IList of POIFSDocument instances</param>
/// <param name="root">the Filesystem's root property</param>
public SmallBlockTableWriter(POIFSBigBlockSize bigBlockSize, IList documents,
RootProperty root)
{
_sbat = new BlockAllocationTableWriter(bigBlockSize);
_small_blocks = new ArrayList();
_root = root;
IEnumerator iter = documents.GetEnumerator();
while (iter.MoveNext())
{
POIFSDocument doc = ( POIFSDocument ) iter.Current;
BlockWritable[] blocks = doc.SmallBlocks;
if (blocks.Length != 0)
{
doc.StartBlock=_sbat.AllocateSpace(blocks.Length);
for (int j = 0; j < blocks.Length; j++)
{
_small_blocks.Add(blocks[ j ]);
}
} else {
doc.StartBlock=POIFSConstants.END_OF_CHAIN;
}
}
_sbat.SimpleCreateBlocks();
_root.Size=_small_blocks.Count;
_big_block_count = SmallDocumentBlock.Fill(bigBlockSize, _small_blocks);
}
public NPOIFSMiniStore(NPOIFSFileSystem filesystem, RootProperty root,
List<BATBlock> sbats, HeaderBlock header)
{
this._filesystem = filesystem;
this._sbat_blocks = sbats;
this._header = header;
this._root = root;
this._mini_stream = new NPOIFSStream(filesystem, root.StartBlock);
}
/// <summary>
/// fetch the small document block list from an existing file
/// </summary>
/// <param name="blockList">the raw data from which the small block table will be extracted</param>
/// <param name="root">the root property (which contains the start block and small block table size)</param>
/// <param name="sbatStart">the start block of the SBAT</param>
/// <returns>the small document block list</returns>
public static BlockList GetSmallDocumentBlocks(POIFSBigBlockSize bigBlockSize,
RawDataBlockList blockList, RootProperty root,
int sbatStart)
{
BlockList list =
new SmallDocumentBlockList(
SmallDocumentBlock.Extract(bigBlockSize, blockList.FetchBlocks(root.StartBlock, -1)));
new BlockAllocationTableReader(bigBlockSize, blockList.FetchBlocks(sbatStart, -1), list);
return list;
}
