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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 "CSPARQLSimpleParser.h"
namespace Konclude {
namespace Parser {
CSPARQLSimpleParser::CSPARQLSimpleParser() {
mKeywordSet.insert("BASE");
mKeywordSet.insert("@BASE");
mKeywordSet.insert("PREFIX");
mKeywordSet.insert("@PREFIX");
mKeywordSet.insert("SELECT");
mKeywordSet.insert("CONSTRUCT");
mKeywordSet.insert("DESCRIBE");
mKeywordSet.insert("ASK");
}
CSPARQLSimpleParser::~CSPARQLSimpleParser() {
}
bool CSPARQLSimpleParser::isKeyword(const QString& part) {
return mKeywordSet.contains(part.toUpper());
}
bool CSPARQLSimpleParser::getNextRDFStringTriple(QStringList& partList, CRDFStringTriple& lastNextTriple, QList<CRDFStringTriple>& nextTripleList, QList<QStringList>& filterList, int startingSopPos) {
int sopPos = startingSopPos;
while (!partList.isEmpty()) {
if (partList.first() == "." && !nextTripleList.isEmpty()) {
lastNextTriple = nextTripleList.takeFirst();
return true;
}
QString part = partList.takeFirst();
bool isTriplePart = false;
if (part == ".") {
sopPos = 0;
} else if (part == ";") {
sopPos = 1;
} else if (part == ",") {
sopPos = 2;
} else if (part.startsWith("?") || part.startsWith("$")) {
isTriplePart = true;
} else if (part.toUpper().startsWith("FILTER")) {
QStringList filterParts = getBracketContent(partList, '(', ')', false);
filterList.append(filterParts);
sopPos = 0;
} else if (part == "{") {
getBracketContent(partList, '{', '}', true);
sopPos = 0;
} else if (part == "[") {
part = getNextAnonymousNode();
QStringList anonymousNodeTripleParts = getBracketContent(partList, '[', ']', true);
QList<CRDFStringTriple> tmpNextTripleList;
CRDFStringTriple lastTriple;
lastTriple.string[0] = part;
while (getNextRDFStringTriple(anonymousNodeTripleParts, lastTriple, tmpNextTripleList, filterList, 1)) {
nextTripleList.append(lastTriple);
}
isTriplePart = true;
} else if (part == "_:") {
part = getBlankNode(part);
isTriplePart = true;
} else {
part = getIRI(part);
isTriplePart = true;
}
if (isTriplePart) {
lastNextTriple.string[sopPos] = part;
++sopPos;
if (sopPos >= 3) {
return true;
}
}
}
if (!nextTripleList.isEmpty()) {
lastNextTriple = nextTripleList.takeFirst();
return true;
}
return false;
}
QHash<QString, CRDFHahsedSubjectData>* CSPARQLSimpleParser::getRDFSubjectHash(QStringList& partList) {
return CRDFSimpleTurtleParser::getRDFSubjectHash(partList);
}
QHash<QString, CRDFHahsedSubjectData>* CSPARQLSimpleParser::getRDFSubjectHash(QStringList& partList, QList<QStringList>& filterList) {
QHash<QString, CRDFHahsedSubjectData>* subjectHash = new QHash<QString, CRDFHahsedSubjectData>();
QList<CRDFStringTriple> nextTripleList;
CRDFStringTriple lastTriple;
while (getNextRDFStringTriple(partList, lastTriple, nextTripleList, filterList)) {
subjectHash->insertMulti(lastTriple.string[0], CRDFHahsedSubjectData(lastTriple));
}
return subjectHash;
}
QList<CRDFStringTriple>* CSPARQLSimpleParser::getRDFStringTriples(QStringList& partList, QList<QStringList>& filterList) {
QList<CRDFStringTriple>* tripleList = new QList<CRDFStringTriple>();
QList<CRDFStringTriple> nextTripleList;
CRDFStringTriple lastTriple;
while (getNextRDFStringTriple(partList, lastTriple, nextTripleList, filterList)) {
tripleList->append(lastTriple);
}
return tripleList;
}
}; // end namespace Parser
}; // end namespace Konclude
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