Function readH5Attributes

src/base/Storage.cpp:202–270

}

AnyMap readH5Attributes(const h5::Group& sub, bool recursive)
{
    // restore meta data from attributes
    AnyMap out;
    for (auto& name : sub.listAttributeNames()) {
        h5::Attribute attr = sub.getAttribute(name);
        h5::DataType dtype = attr.getDataType();
        h5::DataTypeClass dclass = dtype.getClass();
        if (dclass == h5::DataTypeClass::Float) {
            if (attr.getSpace().getElementCount() > 1) {
                vector<double> values;
                attr.read(values);
                out[name] = values;
            } else {
                double value;
                attr.read(value);
                out[name] = value;
            }
        } else if (dclass == h5::DataTypeClass::Integer) {
            if (attr.getSpace().getElementCount() > 1) {
                vector<long int> values;
                attr.read(values);
                out[name] = values;
            } else {
                long int value;
                attr.read(value);
                out[name] = value;
            }
        } else if (dclass == h5::DataTypeClass::String) {
            if (attr.getSpace().getElementCount() > 1) {
                vector<string> values;
                attr.read(values);
                out[name] = values;
            } else {
                string value;
                attr.read(value);
                out[name] = value;
            }
        } else if (dclass == h5::DataTypeClass::Enum) {
            // only booleans are supported
            if (attr.getSpace().getElementCount() > 1) {
                vector<H5Boolean> values;
                attr.read(values);
                vector<bool> bValues;
                for (auto v : values) {
                    bValues.push_back(bool(v));
                }
                out[name] = bValues;
            } else {
                H5Boolean value;
                attr.read(value);
                out[name] = bool(value);
            }
        } else {
            throw NotImplementedError("readH5Attributes",
                "Unable to read attribute '{}' with type '{}'", name, dtype.string());
        }
    }