Function enrich_node_properties

src/mcp/mcp.c:4060–4094

Enrich a mutable JSON object with key-value pairs from a node's properties_json. * Returns the parsed yyjson_doc (caller frees AFTER serialization — zero-copy). */

/* Enrich a mutable JSON object with key-value pairs from a node's properties_json.
 * Returns the parsed yyjson_doc (caller frees AFTER serialization — zero-copy). */
static yyjson_doc *enrich_node_properties(yyjson_mut_doc *doc, yyjson_mut_val *obj,
                                          const char *properties_json) {
    if (!properties_json || properties_json[0] == '\0') {
        return NULL;
    }
    yyjson_doc *props_doc = yyjson_read(properties_json, strlen(properties_json), 0);
    if (!props_doc) {
        return NULL;
    }
    yyjson_val *props_root = yyjson_doc_get_root(props_doc);
    if (!props_root || !yyjson_is_obj(props_root)) {
        yyjson_doc_free(props_doc);
        return NULL;
    }
    yyjson_obj_iter iter;
    yyjson_obj_iter_init(props_root, &iter);
    yyjson_val *key;
    while ((key = yyjson_obj_iter_next(&iter))) {
        yyjson_val *val = yyjson_obj_iter_get_val(key);
        const char *k = yyjson_get_str(key);
        if (!k) {
            continue;
        }
        if (yyjson_is_str(val)) {
            yyjson_mut_obj_add_str(doc, obj, k, yyjson_get_str(val));
        } else if (yyjson_is_bool(val)) {
            yyjson_mut_obj_add_bool(doc, obj, k, yyjson_get_bool(val));
        } else if (yyjson_is_int(val)) {
            yyjson_mut_obj_add_int(doc, obj, k, yyjson_get_int(val));
        } else if (yyjson_is_real(val)) {
            yyjson_mut_obj_add_real(doc, obj, k, yyjson_get_real(val));
        }
    }
    return props_doc; /* caller frees after serialization */
}

/* Resolve an absolute path from root_path + file_path, verify containment,
 * and read source lines. Sets *out_abs_path (caller frees). Returns source