Exemplo n.º 1
1
        /// <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);
        }
Exemplo n.º 2
0
        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);
        }
Exemplo n.º 3
0
        /// <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;
        }