/// <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; }