void XemProcessor::xemFunctionVariable ( __XProcFunctionArgs__ )
{
if ( args.size() != 1 )
{
throwXemProcessorException("Invalid number of arguments for xem:variable() !");
}
NodeSet* ns = args[0];
if ( ns->size() != 1 )
{
throwXemProcessorException("Invalid number of nodes for first argument of xem:variable() !");
}
if ( ! ns->front().isAttribute() )
{
throwXemProcessorException("Argument of xem:variable() is not an attribute !");
}
AttributeRef attrRef = ns->front().toAttribute();
KeyId keyId = attrRef.getElement().getAttrAsKeyId(getXProcessor(),attrRef.getKeyId());
Log_XemCommon ( "Selected attr=%x\n", keyId );
NodeSet* variable = getXProcessor().getVariable(keyId);
variable->copyTo(result);
}
