void DefaultValueProvider::LoadModule()

in common/defaultvalueprovider.cpp [440:483]
37 lines of code
6 McCabe index (conditional complexity)

void DefaultValueProvider::LoadModule(const string &name, const string &path, struct ly_ctx *context)
{
    const struct lys_module *module = ly_ctx_load_module(
                                            context,
                                            name.c_str(),
                                            EMPTY_STR); // Use EMPTY_STR to revision to load the latest revision
    if (module == nullptr)
    {
        const char* err = ly_errmsg(context);
        SWSS_LOG_ERROR("Load Yang file %s failed: %s.\n", path.c_str(), err);
        return;
    }

    if (module->data == nullptr)
    {
        // Not every yang file should contains yang model
        SWSS_LOG_WARN("Yang file %s does not contains model %s.\n", path.c_str(), name.c_str());
        return;
    }

    struct lys_node *topLevelNode = module->data;
    while (topLevelNode)
    {
        if (topLevelNode->nodetype != LYS_CONTAINER)
        {
            SWSS_LOG_DEBUG("ignore top level element %s, tyoe %d\n",topLevelNode->name, topLevelNode->nodetype);
            // Config DB table schema is defined by top level container
            topLevelNode = topLevelNode->next;
            continue;
        }

        SWSS_LOG_DEBUG("top level container: %s\n",topLevelNode->name);
        auto container = topLevelNode->child;
        while (container)
        {
            SWSS_LOG_DEBUG("container name: %s\n",container->name);

            AppendTableInfoToMapping(container);
            container = container->next;
        }

        topLevelNode = topLevelNode->next;
    }
}