CellmlFileRdfTripleElement::CellmlFileRdfTripleElement(iface::rdf_api::Node *pRdfNode) :
mId(QString()),
mUriReference(QString()),
mLexicalForm(QString()),
mLanguage(QString()),
mDataTypeUri(QString())
{
// Check which interface is supported by the node and initialise it in case
// it supports the rdf_api::URIReference, rdf_api::PlainLiteral or
// rdf_api::TypedLiteral interface
ObjRef<iface::rdf_api::URIReference> uriReference = QueryInterface(pRdfNode);
if (uriReference) {
// The rdf_api::URIReference interface is supported, so initialise the
// triple element using that interface
mType = UriReference;
mUriReference = QString::fromStdWString(uriReference->URI()).trimmed();
} else {
ObjRef<iface::rdf_api::PlainLiteral> plainLiteral = QueryInterface(pRdfNode);
if (plainLiteral) {
// The rdf_api::PlainLiteral interface is supported, so initialise
// the triple element using that interface
mType = PlainLiteral;
mLexicalForm = QString::fromStdWString(plainLiteral->lexicalForm()).trimmed();
mLanguage = QString::fromStdWString(plainLiteral->language()).trimmed();
} else {
ObjRef<iface::rdf_api::TypedLiteral> typedLiteral = QueryInterface(pRdfNode);
if (typedLiteral) {
// The rdf_api::TypedLiteral interface is supported, so
// initialise the triple element using that interface
mType = TypedLiteral;
mLexicalForm = QString::fromStdWString(typedLiteral->lexicalForm()).trimmed();
mDataTypeUri = QString::fromStdWString(typedLiteral->datatypeURI()).trimmed();
} else {
// The node doesn't support any interface, so initialise the
// triple element using its id
// Note: the id returned by the CellML API will look something
// like
//
// 7EQ?;?Y?A?w???A
//
// This is clearly not user-friendly, so we generate and
// use our own id instead...
static QMap<QString, QString> ids;
static int counter = 0;
QString id = QString::fromStdString(pRdfNode->objid()).trimmed();
mType = Id;
mId = ids.value(id);
if (mId == QString()) {
// There is no id value for the current id, so generate one
// and keep track of it
mId = QString("id_%1").arg(++counter, 9, 10, QChar('0'));
ids.insert(id, mId);
}
}
}
}
// Keep track of the RDF triple element's value as a string, which is based
// on its type
switch (mType) {
case UriReference:
mAsString = mUriReference;
break;
case PlainLiteral:
mAsString = mLexicalForm+" ["+mLanguage+"]";
break;
case TypedLiteral:
mAsString = mLexicalForm+" ["+mDataTypeUri+"]";
break;
default:
// Id
mAsString = mId;
}
}
