bool Nepomuk::Types::EntityPrivate::load()
{
const QString query = QString::fromLatin1( "select ?p ?o where { "
"graph ?g { <%1> ?p ?o . } . "
"{ ?g a %2 . } UNION { ?g a %3 . } . }" )
.arg( QString::fromAscii( uri.toEncoded() ),
Soprano::Node::resourceToN3( Soprano::Vocabulary::NRL::Ontology() ),
Soprano::Node::resourceToN3( Soprano::Vocabulary::NRL::KnowledgeBase() ) );
Soprano::QueryResultIterator it
= ResourceManager::instance()->mainModel()->executeQuery( query, Soprano::Query::QueryLanguageSparql );
while ( it.next() ) {
QUrl property = it.binding( "p" ).uri();
Soprano::Node value = it.binding( "o" );
if ( property == Soprano::Vocabulary::RDFS::label() ) {
if ( value.language().isEmpty() ) {
label = value.toString();
}
else if( value.language() == KGlobal::locale()->language() ) {
l10nLabel = value.toString();
}
}
else if ( property == Soprano::Vocabulary::RDFS::comment() ) {
if ( value.language().isEmpty() ) {
comment = value.toString();
}
else if( value.language() == KGlobal::locale()->language() ) {
l10nComment = value.toString();
}
}
else if ( property == Soprano::Vocabulary::NAO::hasSymbol() ) {
icon = KIcon( value.toString() );
}
else if ( property == Soprano::Vocabulary::NAO::userVisible() ) {
userVisible = value.literal().toBool();
}
else {
addProperty( property, value );
}
}
return !it.lastError();
}
static KTimeZone toKTimeZone(Soprano::Node n)
{
QString dt = n.dataType().toString();
dt.remove(QRegExp("#tz$"));
int idx = dt.lastIndexOf('/');
if (idx > 0) {
idx = dt.lastIndexOf('/', idx - 1);
}
if (idx > 0) {
dt.remove(0, idx + 1);
}
KTimeZone kt = KSystemTimeZones::zone(dt);
kDebug(30015) << "input:" << n.dataType().toString()
<< " output tz.valid:" << kt.isValid()
<< " timezone:" << dt;
if (!kt.isValid()) {
// UTC "Zulu" Time
if (dt == "2001/XMLSchema#dateTime" && n.toString().endsWith('Z')) {
kDebug(30015) << "input:" << n.dataType().toString()
<< " is UTC...";
kt = KSystemTimeZones::zone("UTC");
}
}
if (!kt.isValid()) {
kt = KSystemTimeZones::zone("UTC");
}
return kt;
}
QString getId( const Soprano::Node& node ) {
if ( node.isResource() ) {
return QString::fromLatin1( node.uri().toEncoded() );
}
else if ( node.isBlank() ) {
return bnodeIdPrefix() + node.toString();
}
else {
return QString();
}
}
QString NG::DotVisitor::vertexDescription(const Soprano::Node & node)
{
if(node.isBlank()) {
static QString blank("blank");
return blank;
} else if(node.isLiteral())
return node.toString().replace('\"', "'");
else { // Node is resource
return node.uri().toString();
}
}
bool Nepomuk::Types::PropertyPrivate::addProperty( const QUrl& property, const Soprano::Node& value )
{
// we avoid subclassing loops (as created for crappy inferencing) by checking for our own uri
if( value.isResource() &&
value.uri() != uri &&
property == Soprano::Vocabulary::RDFS::subPropertyOf() ) {
parents.append( value.uri() );
return true;
}
else if( property == Soprano::Vocabulary::RDFS::domain() ) {
domain = value.uri();
return true;
}
else if( property == Soprano::Vocabulary::RDFS::range() ) {
if ( value.toString().startsWith( Soprano::Vocabulary::XMLSchema::xsdNamespace().toString() ) ) {
literalRange = Literal( value.uri() );
}
else if ( value.uri() == Soprano::Vocabulary::RDFS::Literal()) {
literalRange = Literal( value.uri() );
}
else {
range = value.uri();
}
return true;
}
else if( property == Soprano::Vocabulary::NRL::minCardinality() ) {
minCardinality = value.literal().toInt();
return true;
}
else if( property == Soprano::Vocabulary::NRL::maxCardinality() ) {
maxCardinality = value.literal().toInt();
return true;
}
else if ( property == Soprano::Vocabulary::NRL::cardinality() ) {
cardinality = value.literal().toInt();
return true;
}
else if ( property == Soprano::Vocabulary::NRL::inverseProperty() ) {
inverse = value.uri();
return true;
}
return false;
}
void KoRdfCalendarEvent::fromKEvent(KCalCore::Event::Ptr event)
{
m_dtstart = event->dtStart();
m_dtend = event->dtEnd();
m_summary = event->summary();
m_location = event->location();
m_uid = event->uid();
Soprano::Node n = Soprano::LiteralValue(m_dtstart.dateTime());
KDateTime::Spec tz = toKTimeZone(n);
KDateTime roundTrip = VEventDateTimeToKDateTime(n.toString(), tz);
kDebug(30015) << "summary:" << m_summary;
kDebug(30015) << "location:" << m_location;
kDebug(30015) << "uid:" << m_uid;
kDebug(30015) << "dtstart:" << m_dtstart;
kDebug(30015) << "dtstart.offset:" << m_dtstart.timeZone().currentOffset();
kDebug(30015) << "dtstart.utc:" << m_dtstart.toUtc();
kDebug(30015) << " local.offset:" << KSystemTimeZones::local().currentOffset();
kDebug(30015) << "dtstart.roundTrip:" << roundTrip;
kDebug(30015) << "dtend:" << m_dtend;
kDebug(30015) << "dtstart.rdfnode:" << n;
kDebug(30015) << "dtstart.roundTrip.offset:" << tz.timeZone().currentOffset();
}