Example #1
0
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;
}
Example #3
0
 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();
     }
 }
Example #4
0
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();
    }
}
Example #5
0
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();
}