Пример #1
0
        public void TestReadWrite()
        {
            FileInformationBlock fib = _hWPFDocFixture._fib;
            byte[] mainStream = _hWPFDocFixture._mainStream;
            byte[] tableStream = _hWPFDocFixture._tableStream;
            int fcMin = fib.GetFcMin();

            CPSplitCalculator cps = new CPSplitCalculator(fib);

            ComplexFileTable cft = new ComplexFileTable(mainStream, tableStream, fib.GetFcClx(), fcMin);
            TextPieceTable tpt = cft.GetTextPieceTable();

            SectionTable sectionTable = new SectionTable(mainStream, tableStream,
                                                         fib.GetFcPlcfsed(),
                                                         fib.GetLcbPlcfsed(),
                                                         fcMin, tpt, cps);
            HWPFFileSystem fileSys = new HWPFFileSystem();

            sectionTable.WriteTo(fileSys, 0);
            MemoryStream tableOut = fileSys.GetStream("1Table");
            MemoryStream mainOut = fileSys.GetStream("WordDocument");

            byte[] newTableStream = tableOut.ToArray();
            byte[] newMainStream = mainOut.ToArray();

            SectionTable newSectionTable = new SectionTable(
                    newMainStream, newTableStream, 0,
                    newTableStream.Length, 0, tpt, cps);

            List<SEPX> oldSections = sectionTable.GetSections();
            List<SEPX> newSections = newSectionTable.GetSections();

            Assert.AreEqual(oldSections.Count, newSections.Count);

            //test for proper char offset conversions
            PlexOfCps oldSedPlex = new PlexOfCps(tableStream, fib.GetFcPlcfsed(),
                                                              fib.GetLcbPlcfsed(), 12);
            PlexOfCps newSedPlex = new PlexOfCps(newTableStream, 0,
                                                 newTableStream.Length, 12);
            Assert.AreEqual(oldSedPlex.Length, newSedPlex.Length);

            for (int x = 0; x < oldSedPlex.Length; x++)
            {
                Assert.AreEqual(oldSedPlex.GetProperty(x).Start, newSedPlex.GetProperty(x).Start);
                Assert.AreEqual(oldSedPlex.GetProperty(x).End, newSedPlex.GetProperty(x).End);
            }

            int size = oldSections.Count;
            for (int x = 0; x < size; x++)
            {
                PropertyNode oldNode = (PropertyNode)oldSections[x];
                PropertyNode newNode = (PropertyNode)newSections[x];
                Assert.AreEqual(oldNode, newNode);
            }
        }
Пример #2
0
        public SectionTable(byte[] documentStream, byte[] tableStream, int OffSet,
                            int size, int fcMin,
                            TextPieceTable tpt, CPSplitCalculator cps)
        {
            PlexOfCps sedPlex = new PlexOfCps(tableStream, OffSet, size, SED_SIZE);
            this.tpt = tpt;
            this._text = tpt.TextPieces;

            int length = sedPlex.Length;

            for (int x = 0; x < length; x++)
            {
                GenericPropertyNode node = sedPlex.GetProperty(x);
                SectionDescriptor sed = new SectionDescriptor(node.Bytes, 0);

                int fileOffset = sed.GetFc();
                int startAt = CPtoFC(node.Start);
                int endAt = CPtoFC(node.End);

                // check for the optimization
                if (fileOffset == unchecked((int)0xffffffff))
                {
                    _sections.Add(new SEPX(sed, startAt, endAt, new byte[0]));
                }
                else
                {
                    // The first short at the offset is the size of the grpprl.
                    int sepxSize = LittleEndian.GetShort(documentStream, fileOffset);
                    byte[] buf = new byte[sepxSize];
                    fileOffset += LittleEndianConsts.SHORT_SIZE;
                    Array.Copy(documentStream, fileOffset, buf, 0, buf.Length);
                    _sections.Add(new SEPX(sed, startAt, endAt, buf));
                }
            }

            // Some files seem to lie about their unicode status, which
            //  is very very pesky. Try to work around these, but this
            //  is Getting on for black magic...
            int mainEndsAt = cps.GetMainDocumentEnd();
            bool matchAt = false;
            bool matchHalf = false;
            for (int i = 0; i < _sections.Count; i++)
            {
                SEPX s = _sections[i];
                if (s.End == mainEndsAt)
                {
                    matchAt = true;
                }
                else if (s.EndBytes == mainEndsAt || s.EndBytes == mainEndsAt - 1)
                {
                    matchHalf = true;
                }
            }
            if (!matchAt && matchHalf)
            {
                //System.err.println("Your document seemed to be mostly unicode, but the section defInition was in bytes! Trying anyway, but things may well go wrong!");
                for (int i = 0; i < _sections.Count; i++)
                {
                    SEPX s = _sections[i];
                    GenericPropertyNode node = sedPlex.GetProperty(i);

                    int startAt = node.Start;
                    int endAt = node.End;
                    s.Start = (startAt);
                    s.End = (endAt);
                }
            }
        }
Пример #3
0
        /// <summary>
        /// Initializes a new instance of the <see cref="HWPFDocument"/> class.
        /// </summary>
        /// <param name="directory">The directory.</param>
        public HWPFDocument(DirectoryNode directory)
            : base(directory)
        {
            _endnotes = new NotesImpl(_endnotesTables);
            _footnotes = new NotesImpl(_footnotesTables);

            // Load the main stream and FIB
            // Also handles HPSF bits

            // Do the CP Split
            _cpSplit = new CPSplitCalculator(_fib);

            // Is this document too old for us?
            if (_fib.GetNFib() < 106)
            {
                throw new OldWordFileFormatException("The document is too old - Word 95 or older. Try HWPFOldDocument instead?");
            }

            // use the fib to determine the name of the table stream.
            String name = "0Table";
            if (_fib.IsFWhichTblStm())
            {
                name = "1Table";
            }

            // Grab the table stream.
            DocumentEntry tableProps;
            try
            {
                tableProps =
                    (DocumentEntry)directory.GetEntry(name);
            }
            catch (FileNotFoundException)
            {
                throw new InvalidOperationException("Table Stream '" + name + "' wasn't found - Either the document is corrupt, or is Word95 (or earlier)");
            }

            // read in the table stream.
            _tableStream = new byte[tableProps.Size];
            directory.CreatePOIFSDocumentReader(name).Read(_tableStream);

            _fib.FillVariableFields(_mainStream, _tableStream);

            // read in the data stream.
            try
            {
                DocumentEntry dataProps =
                    (DocumentEntry)directory.GetEntry("Data");
                _dataStream = new byte[dataProps.Size];
                directory.CreatePOIFSDocumentReader("Data").Read(_dataStream);
            }
            catch (FileNotFoundException)
            {
                _dataStream = new byte[0];
            }

            // Get the cp of the start of text in the main stream
            // The latest spec doc says this is always zero!
            int fcMin = 0;
            //fcMin = _fib.GetFcMin()

            // Start to load up our standard structures.
            _dop = new DocumentProperties(_tableStream, _fib.GetFcDop());
            _cft = new ComplexFileTable(_mainStream, _tableStream, _fib.GetFcClx(), fcMin);
            TextPieceTable _tpt = _cft.GetTextPieceTable();


            // Now load the rest of the properties, which need to be adjusted
            //  for where text really begin
            _cbt = new CHPBinTable(_mainStream, _tableStream, _fib.GetFcPlcfbteChpx(), _fib.GetLcbPlcfbteChpx(), _tpt);
            _pbt = new PAPBinTable(_mainStream, _tableStream, _dataStream, _fib.GetFcPlcfbtePapx(), _fib.GetLcbPlcfbtePapx(), _tpt);

            _text = _tpt.Text;

            /*
 * in this mode we preserving PAPX/CHPX structure from file, so text may
 * miss from output, and text order may be corrupted
 */
            bool preserveBinTables = false;
            try
            {
                preserveBinTables = Boolean.Parse(
                    ConfigurationManager.AppSettings[PROPERTY_PRESERVE_BIN_TABLES]);
            }
            catch (Exception)
            {
                // ignore;
            }

            if (!preserveBinTables)
            {
                _cbt.Rebuild(_cft);
                _pbt.Rebuild(_text, _cft);
            }

            /*
             * Property to disable text rebuilding. In this mode changing the text
             * will lead to unpredictable behavior
             */
            bool preserveTextTable = false;
            try
            {
                preserveTextTable = Boolean.Parse(
                        ConfigurationManager.AppSettings[PROPERTY_PRESERVE_TEXT_TABLE]);
            }
            catch (Exception)
            {
                // ignore;
            }
            if (!preserveTextTable)
            {
                _cft = new ComplexFileTable();
                _tpt = _cft.GetTextPieceTable();
                TextPiece textPiece = new SinglentonTextPiece(_text);
                _tpt.Add(textPiece);
                _text = textPiece.GetStringBuilder();
            }

            // Read FSPA and Escher information
            // _fspa = new FSPATable(_tableStream, _fib.getFcPlcspaMom(),
            // _fib.getLcbPlcspaMom(), getTextTable().getTextPieces());
            _fspaHeaders = new FSPATable(_tableStream, _fib,
                    FSPADocumentPart.HEADER);
            _fspaMain = new FSPATable(_tableStream, _fib, FSPADocumentPart.MAIN);

            if (_fib.GetFcDggInfo() != 0)
            {
                _dgg = new EscherRecordHolder(_tableStream, _fib.GetFcDggInfo(), _fib.GetLcbDggInfo());
            }
            else
            {
                _dgg = new EscherRecordHolder();
            }

            // read in the pictures stream
            _pictures = new PicturesTable(this, _dataStream, _mainStream, _fspa, _dgg);
            // And the art shapes stream
            _officeArts = new ShapesTable(_tableStream, _fib);

            // And escher pictures
            _officeDrawingsHeaders = new OfficeDrawingsImpl(_fspaHeaders, _dgg, _mainStream);
            _officeDrawingsMain = new OfficeDrawingsImpl(_fspaMain, _dgg, _mainStream);

            _st = new SectionTable(_mainStream, _tableStream, _fib.GetFcPlcfsed(), _fib.GetLcbPlcfsed(), fcMin, _tpt, _cpSplit);
            _ss = new StyleSheet(_tableStream, _fib.GetFcStshf());
            _ft = new FontTable(_tableStream, _fib.GetFcSttbfffn(), _fib.GetLcbSttbfffn());

            int listOffset = _fib.GetFcPlcfLst();
            int lfoOffset = _fib.GetFcPlfLfo();
            if (listOffset != 0 && _fib.GetLcbPlcfLst() != 0)
            {
                _lt = new ListTables(_tableStream, _fib.GetFcPlcfLst(), _fib.GetFcPlfLfo());
            }

            int sbtOffset = _fib.GetFcSttbSavedBy();
            int sbtLength = _fib.GetLcbSttbSavedBy();
            if (sbtOffset != 0 && sbtLength != 0)
            {
                _sbt = new SavedByTable(_tableStream, sbtOffset, sbtLength);
            }

            int rmarkOffset = _fib.GetFcSttbfRMark();
            int rmarkLength = _fib.GetLcbSttbfRMark();
            if (rmarkOffset != 0 && rmarkLength != 0)
            {
                _rmat = new RevisionMarkAuthorTable(_tableStream, rmarkOffset, rmarkLength);
            }


            _bookmarksTables = new BookmarksTables(_tableStream, _fib);
            _bookmarks = new BookmarksImpl(_bookmarksTables);

            _endnotesTables = new NotesTables(NoteType.ENDNOTE, _tableStream, _fib);
            _endnotes = new NotesImpl(_endnotesTables);
            _footnotesTables = new NotesTables(NoteType.FOOTNOTE, _tableStream, _fib);
            _footnotes = new NotesImpl(_footnotesTables);

            _fieldsTables = new FieldsTables(_tableStream, _fib);
            _fields = new FieldsImpl(_fieldsTables);
        }
Пример #4
0
        public SectionTable(byte[] documentStream, byte[] tableStream, int OffSet,
                            int size, int fcMin,
                            TextPieceTable tpt, CPSplitCalculator cps)
        {
            PlexOfCps sedPlex = new PlexOfCps(tableStream, OffSet, size, SED_SIZE);

            this.tpt   = tpt;
            this._text = tpt.TextPieces;

            int length = sedPlex.Length;

            for (int x = 0; x < length; x++)
            {
                GenericPropertyNode node = sedPlex.GetProperty(x);
                SectionDescriptor   sed  = new SectionDescriptor(node.Bytes, 0);

                int fileOffset = sed.GetFc();
                int startAt    = CPtoFC(node.Start);
                int endAt      = CPtoFC(node.End);

                // check for the optimization
                if (fileOffset == unchecked ((int)0xffffffff))
                {
                    _sections.Add(new SEPX(sed, startAt, endAt, new byte[0]));
                }
                else
                {
                    // The first short at the offset is the size of the grpprl.
                    int    sepxSize = LittleEndian.GetShort(documentStream, fileOffset);
                    byte[] buf      = new byte[sepxSize];
                    fileOffset += LittleEndianConsts.SHORT_SIZE;
                    Array.Copy(documentStream, fileOffset, buf, 0, buf.Length);
                    _sections.Add(new SEPX(sed, startAt, endAt, buf));
                }
            }

            // Some files seem to lie about their unicode status, which
            //  is very very pesky. Try to work around these, but this
            //  is Getting on for black magic...
            int  mainEndsAt = cps.GetMainDocumentEnd();
            bool matchAt    = false;
            bool matchHalf  = false;

            for (int i = 0; i < _sections.Count; i++)
            {
                SEPX s = _sections[i];
                if (s.End == mainEndsAt)
                {
                    matchAt = true;
                }
                else if (s.EndBytes == mainEndsAt || s.EndBytes == mainEndsAt - 1)
                {
                    matchHalf = true;
                }
            }
            if (!matchAt && matchHalf)
            {
                //System.err.println("Your document seemed to be mostly unicode, but the section defInition was in bytes! Trying anyway, but things may well go wrong!");
                for (int i = 0; i < _sections.Count; i++)
                {
                    SEPX s = _sections[i];
                    GenericPropertyNode node = sedPlex.GetProperty(i);

                    int startAt = node.Start;
                    int endAt   = node.End;
                    s.Start = (startAt);
                    s.End   = (endAt);
                }
            }
        }