summaryrefslogtreecommitdiffstats
path: root/reader/src/formats/doc/OleStreamReader.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'reader/src/formats/doc/OleStreamReader.cpp')
-rw-r--r--reader/src/formats/doc/OleStreamReader.cpp86
1 files changed, 86 insertions, 0 deletions
diff --git a/reader/src/formats/doc/OleStreamReader.cpp b/reader/src/formats/doc/OleStreamReader.cpp
new file mode 100644
index 0000000..224489a
--- /dev/null
+++ b/reader/src/formats/doc/OleStreamReader.cpp
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2004-2012 Geometer Plus <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <ZLLogger.h>
+
+#include "OleMainStream.h"
+#include "OleUtil.h"
+#include "OleStreamReader.h"
+
+OleStreamReader::OleStreamReader() : myNextPieceNumber(0) {
+}
+
+bool OleStreamReader::readDocument(shared_ptr<ZLInputStream> inputStream, bool doReadFormattingData) {
+ static const std::string WORD_DOCUMENT = "WordDocument";
+
+ shared_ptr<OleStorage> storage = new OleStorage;
+
+ if (!storage->init(inputStream, inputStream->sizeOfOpened())) {
+ ZLLogger::Instance().println("DocPlugin", "Broken OLE file");
+ return false;
+ }
+
+ OleEntry wordDocumentEntry;
+ if (!storage->getEntryByName(WORD_DOCUMENT, wordDocumentEntry)) {
+ return false;
+ }
+
+ OleMainStream oleStream(storage, wordDocumentEntry, inputStream);
+ if (!oleStream.open(doReadFormattingData)) {
+ ZLLogger::Instance().println("DocPlugin", "Cannot open OleMainStream");
+ return false;
+ }
+ return readStream(oleStream);
+}
+
+bool OleStreamReader::readNextPiece(OleMainStream &stream) {
+ const OleMainStream::Pieces &pieces = stream.getPieces();
+ if (myNextPieceNumber >= pieces.size()) {
+ return false;
+ }
+ const OleMainStream::Piece &piece = pieces.at(myNextPieceNumber);
+
+ if (piece.Type == OleMainStream::Piece::PIECE_FOOTNOTE) {
+ footnotesStartHandler();
+ } else if (piece.Type == OleMainStream::Piece::PIECE_OTHER) {
+ return false;
+ }
+
+ if (!stream.seek(piece.Offset, true)) {
+ //TODO maybe in that case we should take next piece?
+ return false;
+ }
+ char *textBuffer = new char[piece.Length];
+ std::size_t readBytes = stream.read(textBuffer, piece.Length);
+ if (readBytes != (std::size_t)piece.Length) {
+ ZLLogger::Instance().println("DocPlugin", "not all bytes have been read from piece");
+ }
+
+ if (!piece.IsANSI) {
+ for (std::size_t i = 0; i < readBytes; i += 2) {
+ ucs2SymbolHandler(OleUtil::getU2Bytes(textBuffer, i));
+ }
+ } else {
+ ansiDataHandler(textBuffer, readBytes);
+ }
+ ++myNextPieceNumber;
+ delete[] textBuffer;
+
+ return true;
+}