Function parse_scalar_mapping

src/framework/io/yaml.cpp:196–224

}  // namespace

ConfigMap parse_scalar_mapping(std::string_view text) {
    require_single_document(text);
    Parser parser(text);
    yaml_document_t & document = parser.load_primary();

    yaml_node_t * root = yaml_document_get_root_node(&document);
    if (root == nullptr) {
        return {};
    }
    if (root->type != YAML_MAPPING_NODE) {
        throw std::runtime_error("yaml config root must be a mapping");
    }

    ConfigMap config;
    const auto pair_count = static_cast<size_t>(root->data.mapping.pairs.top - root->data.mapping.pairs.start);
    config.reserve(pair_count);

    for (yaml_node_pair_t * pair = root->data.mapping.pairs.start;
         pair != root->data.mapping.pairs.top;
         ++pair) {
        const std::string key = require_scalar_value(document, pair->key, "mapping key");
        const std::string value = require_scalar_value(document, pair->value, "mapping value for key '" + key + "'");
        if (!key.empty()) {
            config[key] = value;
        }
    }

    return config;
}

FlattenedDocument parse_flattened_document(std::string_view text) {
    require_single_document(text);