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/*
* Copyright (C) 2013-2015, 2019 by the Konclude Developer Team.
*
* This file is part of the reasoning system Konclude.
* For details and support, see <http://konclude.com/>.
*
* Konclude is free software: you can redistribute it and/or modify
* it under the terms of version 3 of the GNU Lesser General Public
* License (LGPLv3) as published by the Free Software Foundation.
*
* Konclude 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 (Lesser) General Public License for more details.
*
* You should have received a copy of the GNU (Lesser) General Public
* License along with Konclude. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "COWL2QtXMLOntologyStreamParser.h"
namespace Konclude {
namespace Parser {
COWL2QtXMLOntologyStreamParser::COWL2QtXMLOntologyStreamParser(COntologyBuilder* ontologyBuilder) {
mOntologyBuilder = ontologyBuilder;
mOWLXMLStreamHandler = new CXMLOWL2StreamHandler(ontologyBuilder);
mError = false;
}
COWL2QtXMLOntologyStreamParser::~COWL2QtXMLOntologyStreamParser() {
delete mOWLXMLStreamHandler;
}
bool COWL2QtXMLOntologyStreamParser::parseOntology(const QString& fileString) {
QFile file(fileString);
mError = false;
if (file.open(QIODevice::ReadOnly)) {
mError = !parseOntology(&file);
file.close();
} else {
mErrorString = QString("File '%1' does not exist or cannot be opened.").arg(fileString);
mError = true;
}
return !mError;
}
bool COWL2QtXMLOntologyStreamParser::parseOntology(QIODevice* ioDevice) {
QXmlStreamReader xmlReader(ioDevice);
while (!xmlReader.atEnd()) {
QXmlStreamReader::TokenType token(xmlReader.readNext());
if (token == QXmlStreamReader::StartDocument) {
mOWLXMLStreamHandler->startDocument();
} else if (token == QXmlStreamReader::StartElement) {
mOWLXMLStreamHandler->startElement(xmlReader.namespaceUri(),xmlReader.name(),xmlReader.qualifiedName(),xmlReader.attributes());
} else if (token == QXmlStreamReader::EndElement) {
mOWLXMLStreamHandler->endElement(xmlReader.namespaceUri(),xmlReader.name(),xmlReader.qualifiedName());
} else if (token == QXmlStreamReader::Characters) {
mOWLXMLStreamHandler->readText(xmlReader.text());
} else if (token == QXmlStreamReader::StartDocument) {
mOWLXMLStreamHandler->endDocument();
}
}
if (xmlReader.hasError()) {
mErrorString = QString("XML parsing error at %2:%3: '%1'.").arg(xmlReader.errorString()).arg(xmlReader.lineNumber()).arg(xmlReader.columnNumber());
mError = true;
LOG(ERROR,"::Konclude::Parser::OWL2QtXMLStreamOntologyParser",mErrorString,this);
} else if (!mOWLXMLStreamHandler->hasOntologyNodeFound()) {
mErrorString = QString("OWL2/XML Ontology node not found.");
mError = true;
LOG(ERROR,"::Konclude::Parser::OWL2QtXMLStreamOntologyParser",mErrorString,this);
}
return !mError;
}
QString COWL2QtXMLOntologyStreamParser::getErrorString() {
return mErrorString;
}
bool COWL2QtXMLOntologyStreamParser::hasError() {
return mError;
}
}; // end namespace Parser
}; // end namespace Konclude
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