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/*
* Copyright (C) 2004-2012 Geometer Plus <contact@geometerplus.com>
*
* 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 <ZLUnicodeUtil.h>
#include "HtmlSectionReader.h"
#include "CHMReferenceCollection.h"
#include "CHMFileImage.h"
#include "../util/MiscUtil.h"
#include "../html/HtmlTagActions.h"
class HtmlSectionHrefTagAction : public HtmlHrefTagAction {
public:
HtmlSectionHrefTagAction(HtmlSectionReader &reader);
void run(const HtmlReader::HtmlTag &tag);
};
class HtmlSectionImageTagAction : public HtmlTagAction {
public:
HtmlSectionImageTagAction(HtmlSectionReader &reader);
void run(const HtmlReader::HtmlTag &tag);
};
shared_ptr<HtmlTagAction> HtmlSectionReader::createAction(const std::string &tag) {
if (tag == "IMG") {
return new HtmlSectionImageTagAction(*this);
} else if (tag == "A") {
return new HtmlSectionHrefTagAction(*this);
}
return HtmlBookReader::createAction(tag);
}
HtmlSectionReader::HtmlSectionReader(BookModel &model, const PlainTextFormat &format, const std::string &encoding, shared_ptr<CHMFileInfo> info, CHMReferenceCollection &collection) : HtmlBookReader("", model, format, encoding), myInfo(info), myReferenceCollection(collection) {
setBuildTableOfContent(false);
}
void HtmlSectionReader::setSectionName(const std::string §ionName) {
myCurrentSectionName = ZLUnicodeUtil::toLower(sectionName);
myReferenceCollection.setPrefix(myCurrentSectionName);
}
void HtmlSectionReader::startDocumentHandler() {
HtmlBookReader::startDocumentHandler();
myBookReader.addHyperlinkLabel(ZLUnicodeUtil::toLower(myCurrentSectionName));
}
void HtmlSectionReader::endDocumentHandler() {
HtmlBookReader::endDocumentHandler();
myBookReader.insertEndOfTextParagraph();
}
HtmlSectionHrefTagAction::HtmlSectionHrefTagAction(HtmlSectionReader &reader) : HtmlHrefTagAction(reader) {
}
void HtmlSectionHrefTagAction::run(const HtmlReader::HtmlTag &tag) {
if (tag.Start) {
HtmlSectionReader &reader = (HtmlSectionReader&)myReader;
for (unsigned int i = 0; i < tag.Attributes.size(); ++i) {
if (tag.Attributes[i].Name == "NAME") {
bookReader().addHyperlinkLabel(ZLUnicodeUtil::toLower(reader.myCurrentSectionName + '#' + tag.Attributes[i].Value));
} else if ((hyperlinkType() == REGULAR) && (tag.Attributes[i].Name == "HREF")) {
const std::string &value = tag.Attributes[i].Value;
if (!value.empty()) {
FBTextKind referenceType = MiscUtil::referenceType(value);
if (referenceType != INTERNAL_HYPERLINK) {
bookReader().addHyperlinkControl(referenceType, value);
setHyperlinkType(referenceType);
} else {
const int index = value.find('#');
std::string sectionName = (index == -1) ? value : value.substr(0, index);
sectionName = ZLUnicodeUtil::toLower(MiscUtil::decodeHtmlURL(sectionName));
if (sectionName.empty()) {
sectionName = reader.myCurrentSectionName;
} else {
sectionName = reader.myReferenceCollection.addReference(sectionName, true);
}
bookReader().addHyperlinkControl(
INTERNAL_HYPERLINK, ZLUnicodeUtil::toLower((index == -1) ? sectionName : (sectionName + value.substr(index)))
);
setHyperlinkType(INTERNAL_HYPERLINK);
}
}
}
}
} else if (hyperlinkType() != REGULAR) {
bookReader().addControl(hyperlinkType(), false);
setHyperlinkType(REGULAR);
}
}
HtmlSectionImageTagAction::HtmlSectionImageTagAction(HtmlSectionReader &reader) : HtmlTagAction(reader) {
}
void HtmlSectionImageTagAction::run(const HtmlReader::HtmlTag &tag) {
if (tag.Start) {
//bookReader().endParagraph();
HtmlSectionReader &reader = (HtmlSectionReader&)myReader;
for (unsigned int i = 0; i < tag.Attributes.size(); ++i) {
if (tag.Attributes[i].Name == "SRC") {
std::string fileName = MiscUtil::decodeHtmlURL(tag.Attributes[i].Value);
fileName = CHMReferenceCollection::fullReference(reader.myReferenceCollection.prefix(), fileName);
fileName = ZLUnicodeUtil::toLower(fileName);
bookReader().addImageReference(fileName);
bookReader().addImage(fileName, new CHMFileImage(reader.myInfo, fileName));
break;
}
}
//bookReader().beginParagraph();
}
}
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