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synchronization with C++ version
This commit is contained in:
Nikolay Pultsin
parent
e790aeb68a
commit
8ac2815d94
19 changed files with 640 additions and 518 deletions
210
jni/NativeFormats/fbreader/src/formats/doc/OleStreamParser.cpp
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210
jni/NativeFormats/fbreader/src/formats/doc/OleStreamParser.cpp
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/*
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* Copyright (C) 2004-2012 Geometer Plus <contact@geometerplus.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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//#include <cctype>
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//#include <cstring>
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#include <ZLLogger.h>
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#include "OleMainStream.h"
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#include "OleUtil.h"
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#include "OleStreamParser.h"
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//word's control chars:
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::WORD_FOOTNOTE_MARK = 0x0002;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::WORD_TABLE_SEPARATOR = 0x0007;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::WORD_HORIZONTAL_TAB = 0x0009;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::WORD_HARD_LINEBREAK = 0x000b;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::WORD_PAGE_BREAK = 0x000c;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::WORD_END_OF_PARAGRAPH = 0x000d;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::WORD_MINUS = 0x001e;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::WORD_SOFT_HYPHEN = 0x001f;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::WORD_START_FIELD = 0x0013;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::WORD_SEPARATOR_FIELD = 0x0014;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::WORD_END_FIELD = 0x0015;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::WORD_ZERO_WIDTH_UNBREAKABLE_SPACE = 0xfeff;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::INLINE_IMAGE = 0x0001;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::FLOAT_IMAGE = 0x0008;
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//unicode values:
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::NULL_SYMBOL = 0x0;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::FILE_SEPARATOR = 0x1c;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::LINE_FEED = 0x000a;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::SOFT_HYPHEN = 0xad;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::SPACE = 0x20;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::MINUS = 0x2D;
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const ZLUnicodeUtil::Ucs2Char OleStreamParser::VERTICAL_LINE = 0x7C;
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OleStreamParser::OleStreamParser() {
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myCurBufferPosition = 0;
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myCurCharPos = 0;
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myNextStyleInfoIndex = 0;
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myNextCharInfoIndex = 0;
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myNextBookmarkIndex = 0;
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myNextInlineImageInfoIndex = 0;
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myNextFloatImageInfoIndex = 0;
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}
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bool OleStreamParser::readStream(OleMainStream &oleMainStream) {
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ZLUnicodeUtil::Ucs2Char ucs2char;
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bool tabMode = false;
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while (getUcs2Char(oleMainStream, ucs2char)) {
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if (tabMode) {
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tabMode = false;
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if (ucs2char == WORD_TABLE_SEPARATOR) {
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handleTableEndRow();
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continue;
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} else {
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handleTableSeparator();
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}
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}
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if (ucs2char < 32) {
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switch (ucs2char) {
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case NULL_SYMBOL:
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break;
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case WORD_HARD_LINEBREAK:
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handleHardLinebreak();
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break;
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case WORD_END_OF_PARAGRAPH:
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case WORD_PAGE_BREAK:
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handleParagraphEnd();
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break;
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case WORD_TABLE_SEPARATOR:
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tabMode = true;
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break;
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case WORD_FOOTNOTE_MARK:
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handleFootNoteMark();
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break;
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case WORD_START_FIELD:
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handleStartField();
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break;
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case WORD_SEPARATOR_FIELD:
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handleSeparatorField();
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break;
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case WORD_END_FIELD:
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handleEndField();
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break;
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case INLINE_IMAGE:
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case FLOAT_IMAGE:
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break;
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default:
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handleOtherControlChar(ucs2char);
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break;
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}
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} else if (ucs2char == WORD_ZERO_WIDTH_UNBREAKABLE_SPACE) {
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continue; //skip
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} else {
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handleChar(ucs2char);
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}
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}
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return true;
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}
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bool OleStreamParser::getUcs2Char(OleMainStream &stream, ZLUnicodeUtil::Ucs2Char &ucs2char) {
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while (myCurBufferPosition >= myBuffer.size()) {
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myBuffer.clear();
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myCurBufferPosition = 0;
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if (!readNextPiece(stream)) {
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return false;
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}
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}
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ucs2char = myBuffer.at(myCurBufferPosition++);
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processStyles(stream);
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switch (ucs2char) {
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case INLINE_IMAGE:
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processInlineImage(stream);
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break;
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case FLOAT_IMAGE:
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processFloatImage(stream);
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break;
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}
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++myCurCharPos;
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return true;
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}
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void OleStreamParser::processInlineImage(OleMainStream &stream) {
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const OleMainStream::InlineImageInfoList &imageInfoList = stream.getInlineImageInfoList();
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if (imageInfoList.empty()) {
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return;
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}
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//seek to curCharPos, because not all entries are real pictures
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while(myNextInlineImageInfoIndex < imageInfoList.size() && imageInfoList.at(myNextInlineImageInfoIndex).first < myCurCharPos) {
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++myNextInlineImageInfoIndex;
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}
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while (myNextInlineImageInfoIndex < imageInfoList.size() && imageInfoList.at(myNextInlineImageInfoIndex).first == myCurCharPos) {
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OleMainStream::InlineImageInfo info = imageInfoList.at(myNextInlineImageInfoIndex).second;
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ZLFileImage::Blocks list = stream.getInlineImage(info.DataPosition);
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if (!list.empty()) {
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handleImage(list);
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}
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++myNextInlineImageInfoIndex;
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}
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}
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void OleStreamParser::processFloatImage(OleMainStream &stream) {
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const OleMainStream::FloatImageInfoList &imageInfoList = stream.getFloatImageInfoList();
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if (imageInfoList.empty()) {
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return;
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}
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//seek to curCharPos, because not all entries are real pictures
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while(myNextFloatImageInfoIndex < imageInfoList.size() && imageInfoList.at(myNextFloatImageInfoIndex).first < myCurCharPos) {
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++myNextFloatImageInfoIndex;
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}
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while (myNextFloatImageInfoIndex < imageInfoList.size() && imageInfoList.at(myNextFloatImageInfoIndex).first == myCurCharPos) {
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OleMainStream::FloatImageInfo info = imageInfoList.at(myNextFloatImageInfoIndex).second;
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ZLFileImage::Blocks list = stream.getFloatImage(info.ShapeId);
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if (!list.empty()) {
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handleImage(list);
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}
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++myNextFloatImageInfoIndex;
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}
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}
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void OleStreamParser::processStyles(OleMainStream &stream) {
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const OleMainStream::StyleInfoList &styleInfoList = stream.getStyleInfoList();
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if (!styleInfoList.empty()) {
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while (myNextStyleInfoIndex < styleInfoList.size() && styleInfoList.at(myNextStyleInfoIndex).first == myCurCharPos) {
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OleMainStream::Style info = styleInfoList.at(myNextStyleInfoIndex).second;
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handleParagraphStyle(info);
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++myNextStyleInfoIndex;
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}
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}
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const OleMainStream::CharInfoList &charInfoList = stream.getCharInfoList();
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if (!charInfoList.empty()) {
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while (myNextCharInfoIndex < charInfoList.size() && charInfoList.at(myNextCharInfoIndex).first == myCurCharPos) {
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OleMainStream::CharInfo info = charInfoList.at(myNextCharInfoIndex).second;
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handleFontStyle(info.FontStyle);
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++myNextCharInfoIndex;
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}
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}
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const OleMainStream::BookmarksList &bookmarksList = stream.getBookmarks();
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if (!bookmarksList.empty()) {
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while (myNextBookmarkIndex < bookmarksList.size() && bookmarksList.at(myNextBookmarkIndex).CharPosition == myCurCharPos) {
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OleMainStream::Bookmark bookmark = bookmarksList.at(myNextBookmarkIndex);
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handleBookmark(bookmark.Name);
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++myNextBookmarkIndex;
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}
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}
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}
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