bool resize(base::DataSourceBase::shared_ptr arg, int size_rows, int size_columns) const
{
if (arg->isAssignable()) {
typename internal::AssignableDataSource<T>::shared_ptr asarg = internal::AssignableDataSource<T>::narrow( arg.get() );
asarg->set().resize( size_rows, size_columns );
asarg->updated();
return true;
}
return false;
}
virtual base::DataSourceBase::shared_ptr getMember(base::DataSourceBase::shared_ptr item,
base::DataSourceBase::shared_ptr id) const {
typename internal::AssignableDataSource<T>::shared_ptr data = boost::dynamic_pointer_cast< internal::AssignableDataSource<T> >( item );
if ( !data ) {
if ( !item->isAssignable() )
log(Error) << "Can't return reference to members of type "<< this->getTypeName() <<" since given object is not assignable." <<endlog();
else
log(Error) << "Consistency error: TypeInfo of type "<< this->getTypeName() <<" can't handle types of type "<< item->getType() <<endlog();
return base::DataSourceBase::shared_ptr();
}
// discover if user gave us a part name or index:
typename internal::DataSource<int>::shared_ptr id_indx = internal::DataSource<int>::narrow( id.get() );
typename internal::DataSource<string>::shared_ptr id_name = internal::DataSource<string>::narrow( id.get() );
if ( id_name ) {
if ( id_name->get() == "size" ) {
try {
return internal::newFunctorDataSource(&get_size<T>, internal::GenerateDataSource()(item.get()) );
} catch(...) {}
}
if ( id_name->get() == "capacity" ) {
try {
return internal::newFunctorDataSource(&get_capacity<T>, internal::GenerateDataSource()(item.get()) );
} catch(...) {}
}
}
if ( id_indx ) {
try {
return internal::newFunctorDataSource(&get_container_item<T>, internal::GenerateDataSource()(item.get(), id_indx.get() ) );
} catch(...) {}
}
if (id_name) {
log(Error) << "MatrixTypeInfo: No such part : " << id_name->get() << endlog();
}
if (id_indx) {
log(Error) << "MatrixTypeInfo: Invalid index : " << id_indx->get() <<":"<< id_indx->getTypeName() << endlog();
}
return base::DataSourceBase::shared_ptr();
}