1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
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;
}
|
