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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 <ZLXMLNamespace.h>
#include "OEBMigrationReader.h"
OEBMigrationReader::OEBMigrationReader(BookInfo &info) : myInfo(info) {
}
static const std::string METADATA = "metadata";
static const std::string DC_METADATA = "dc-metadata";
void OEBMigrationReader::characterDataHandler(const char *text, std::size_t len) {
if (myReadSubject) {
myBuffer.append(text, len);
}
}
bool OEBMigrationReader::testDCTag(const std::string &name, const std::string &tag) const {
return
testTag(ZLXMLNamespace::DublinCore, name, tag) ||
testTag(ZLXMLNamespace::DublinCoreLegacy, name, tag);
}
void OEBMigrationReader::startElementHandler(const char *tag, const char**) {
const std::string tagString = ZLUnicodeUtil::toLower(tag);
if ((METADATA == tagString) || (DC_METADATA == tagString)) {
myDCMetadataTag = tagString;
myReadMetaData = true;
} else if (myReadMetaData) {
if (testDCTag("subject", tagString)) {
myReadSubject = true;
}
}
}
void OEBMigrationReader::endElementHandler(const char *tag) {
const std::string tagString = ZLUnicodeUtil::toLower(tag);
if (myDCMetadataTag == tagString) {
interrupt();
} else if (myReadSubject) {
ZLUnicodeUtil::utf8Trim(myBuffer);
if (!myBuffer.empty()) {
if (!myTagList.empty()) {
myTagList += ',';
}
myTagList += myBuffer;
myBuffer.erase();
}
myReadSubject = false;
}
}
bool OEBMigrationReader::processNamespaces() const {
return true;
}
void OEBMigrationReader::doRead(const ZLFile &file) {
myReadMetaData = false;
myReadSubject = false;
readDocument(file);
myInfo.TagsOption.setValue(myTagList);
}
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