mirror of
https://github.com/geometer/FBReaderJ.git
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fb2 plugin code is included into master branch
This commit is contained in:
Nikolay Pultsin
parent
29e018ee65
commit
ae40ca59a6
12 changed files with 1248 additions and 0 deletions
326
jni/NativeFormats/fbreader/src/formats/fb2/FB2BookReader.cpp
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326
jni/NativeFormats/fbreader/src/formats/fb2/FB2BookReader.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 <cstdlib>
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#include <cstring>
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#include <ZLInputStream.h>
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#include <ZLStringUtil.h>
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#include <ZLBase64EncodedImage.h>
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#include <ZLTextParagraph.h>
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#include "FB2BookReader.h"
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#include "../../library/Book.h"
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#include "../../bookmodel/BookModel.h"
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FB2BookReader::FB2BookReader(BookModel &model) : myModelReader(model) {
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myInsideCoverpage = false;
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myParagraphsBeforeBodyNumber = (size_t)-1;
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myInsidePoem = false;
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mySectionDepth = 0;
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myBodyCounter = 0;
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myReadMainText = false;
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myCurrentImage = 0;
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myProcessingImage = false;
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mySectionStarted = false;
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myInsideTitle = false;
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}
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void FB2BookReader::characterDataHandler(const char *text, size_t len) {
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if ((len > 0) && (myProcessingImage || myModelReader.paragraphIsOpen())) {
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std::string str(text, len);
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if (myProcessingImage) {
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myImageBuffer.push_back(str);
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} else {
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myModelReader.addData(str);
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if (myInsideTitle) {
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myModelReader.addContentsData(str);
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}
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}
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}
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}
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void FB2BookReader::startElementHandler(int tag, const char **xmlattributes) {
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const char *id = attributeValue(xmlattributes, "id");
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if (id != 0) {
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if (!myReadMainText) {
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myModelReader.setFootnoteTextModel(id);
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}
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myModelReader.addHyperlinkLabel(id);
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}
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switch (tag) {
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case _P:
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if (mySectionStarted) {
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mySectionStarted = false;
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} else if (myInsideTitle) {
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static const std::string SPACE = " ";
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myModelReader.addContentsData(SPACE);
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}
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myModelReader.beginParagraph();
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break;
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case _V:
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myModelReader.pushKind(VERSE);
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myModelReader.beginParagraph();
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break;
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case _SUBTITLE:
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myModelReader.pushKind(SUBTITLE);
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myModelReader.beginParagraph();
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break;
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case _TEXT_AUTHOR:
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myModelReader.pushKind(AUTHOR);
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myModelReader.beginParagraph();
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break;
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case _DATE:
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myModelReader.pushKind(DATEKIND);
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myModelReader.beginParagraph();
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break;
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case _CITE:
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myModelReader.pushKind(CITE);
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break;
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case _SECTION:
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if (myReadMainText) {
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myModelReader.insertEndOfSectionParagraph();
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++mySectionDepth;
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myModelReader.beginContentsParagraph();
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mySectionStarted = true;
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}
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break;
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case _TITLE:
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if (myInsidePoem) {
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myModelReader.pushKind(POEM_TITLE);
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} else if (mySectionDepth == 0) {
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myModelReader.insertEndOfSectionParagraph();
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myModelReader.pushKind(TITLE);
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} else {
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myModelReader.pushKind(SECTION_TITLE);
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myModelReader.enterTitle();
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myInsideTitle = true;
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}
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break;
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case _POEM:
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myInsidePoem = true;
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break;
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case _STANZA:
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myModelReader.pushKind(STANZA);
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myModelReader.beginParagraph(ZLTextParagraph::BEFORE_SKIP_PARAGRAPH);
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myModelReader.endParagraph();
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break;
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case _EPIGRAPH:
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myModelReader.pushKind(EPIGRAPH);
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break;
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case _ANNOTATION:
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if (myBodyCounter == 0) {
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myModelReader.setMainTextModel();
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}
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myModelReader.pushKind(ANNOTATION);
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break;
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case _COVERPAGE:
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if (myBodyCounter == 0) {
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myInsideCoverpage = true;
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myModelReader.setMainTextModel();
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}
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break;
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case _SUB:
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myModelReader.addControl(SUB, true);
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break;
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case _SUP:
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myModelReader.addControl(SUP, true);
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break;
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case _CODE:
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myModelReader.addControl(CODE, true);
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break;
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case _STRIKETHROUGH:
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myModelReader.addControl(STRIKETHROUGH, true);
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break;
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case _STRONG:
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myModelReader.addControl(STRONG, true);
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break;
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case _EMPHASIS:
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myModelReader.addControl(EMPHASIS, true);
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break;
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case _A:
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{
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const std::string hrefName = xlinkNamespace() + ":href";
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const char *ref = attributeValue(xmlattributes, hrefName.c_str());
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if (ref != 0) {
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if (ref[0] == '#') {
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const char *type = attributeValue(xmlattributes, "type");
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static const std::string NOTE = "note";
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if ((type != 0) && (NOTE == type)) {
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myHyperlinkType = FOOTNOTE;
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} else {
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myHyperlinkType = INTERNAL_HYPERLINK;
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}
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++ref;
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} else {
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myHyperlinkType = EXTERNAL_HYPERLINK;
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}
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myModelReader.addHyperlinkControl(myHyperlinkType, ref);
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} else {
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myHyperlinkType = FOOTNOTE;
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myModelReader.addControl(myHyperlinkType, true);
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}
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break;
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}
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case _IMAGE:
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{
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const std::string hrefName = xlinkNamespace() + ":href";
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const char *ref = attributeValue(xmlattributes, hrefName.c_str());
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//const char *vOffset = attributeValue(xmlattributes, "voffset");
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//char offset = (vOffset != 0) ? atoi(vOffset) : 0;
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if ((ref != 0) && (*ref == '#')) {
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++ref;
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if ((myCoverImageReference != ref) ||
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(myParagraphsBeforeBodyNumber != myModelReader.model().bookTextModel()->paragraphsNumber())) {
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myModelReader.addImageReference(ref);
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}
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if (myInsideCoverpage) {
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myCoverImageReference = ref;
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}
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}
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break;
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}
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case _BINARY:
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{
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static const std::string STRANGE_MIME_TYPE = "text/xml";
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const char *contentType = attributeValue(xmlattributes, "content-type");
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if ((contentType != 0) && (id != 0) && (STRANGE_MIME_TYPE != contentType)) {
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myCurrentImage = new ZLBase64EncodedImage(contentType);
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myCurrentImageId.assign(id);
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myProcessingImage = true;
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}
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break;
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}
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case _EMPTY_LINE:
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myModelReader.beginParagraph(ZLTextParagraph::EMPTY_LINE_PARAGRAPH);
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myModelReader.endParagraph();
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break;
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case _BODY:
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++myBodyCounter;
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myParagraphsBeforeBodyNumber = myModelReader.model().bookTextModel()->paragraphsNumber();
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if ((myBodyCounter == 1) || (attributeValue(xmlattributes, "name") == 0)) {
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myModelReader.setMainTextModel();
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myReadMainText = true;
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}
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myModelReader.pushKind(REGULAR);
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break;
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default:
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break;
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}
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}
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void FB2BookReader::endElementHandler(int tag) {
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switch (tag) {
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case _P:
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myModelReader.endParagraph();
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break;
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case _V:
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case _SUBTITLE:
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case _TEXT_AUTHOR:
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case _DATE:
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myModelReader.popKind();
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myModelReader.endParagraph();
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break;
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case _CITE:
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myModelReader.popKind();
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break;
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case _SECTION:
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if (myReadMainText) {
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myModelReader.endContentsParagraph();
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--mySectionDepth;
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mySectionStarted = false;
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} else {
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myModelReader.unsetTextModel();
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}
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break;
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case _TITLE:
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myModelReader.exitTitle();
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myModelReader.popKind();
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myInsideTitle = false;
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break;
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case _POEM:
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myInsidePoem = false;
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break;
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case _STANZA:
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myModelReader.beginParagraph(ZLTextParagraph::AFTER_SKIP_PARAGRAPH);
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myModelReader.endParagraph();
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myModelReader.popKind();
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break;
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case _EPIGRAPH:
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myModelReader.popKind();
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break;
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case _ANNOTATION:
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myModelReader.popKind();
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if (myBodyCounter == 0) {
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myModelReader.insertEndOfSectionParagraph();
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myModelReader.unsetTextModel();
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}
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break;
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case _COVERPAGE:
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if (myBodyCounter == 0) {
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myInsideCoverpage = false;
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myModelReader.insertEndOfSectionParagraph();
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myModelReader.unsetTextModel();
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}
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break;
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case _SUB:
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myModelReader.addControl(SUB, false);
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break;
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case _SUP:
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myModelReader.addControl(SUP, false);
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break;
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case _CODE:
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myModelReader.addControl(CODE, false);
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break;
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case _STRIKETHROUGH:
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myModelReader.addControl(STRIKETHROUGH, false);
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break;
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case _STRONG:
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myModelReader.addControl(STRONG, false);
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break;
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case _EMPHASIS:
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myModelReader.addControl(EMPHASIS, false);
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break;
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case _A:
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myModelReader.addControl(myHyperlinkType, false);
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break;
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case _BINARY:
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if (!myImageBuffer.empty() && !myCurrentImageId.empty() && myCurrentImage != 0) {
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myCurrentImage->addData(myImageBuffer);
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myModelReader.addImage(myCurrentImageId, myCurrentImage);
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myImageBuffer.clear();
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myCurrentImageId.clear();
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myCurrentImage = 0;
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}
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myProcessingImage = false;
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break;
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case _BODY:
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myModelReader.popKind();
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myModelReader.unsetTextModel();
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myReadMainText = false;
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break;
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default:
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break;
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}
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}
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bool FB2BookReader::readBook() {
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return readDocument(myModelReader.model().book()->file());
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}
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