Archipelago » qemu

void qdict_flatten(QDict *qdict);

static void qdict_do_flatten(QDict *qdict, QDict *target, const char *prefix)

{

    QObject *value;

    const QDictEntry *entry, *next;

    const char *new_key;

    bool delete;

    entry = qdict_first(qdict);

    while (entry != NULL) {

        next = qdict_next(qdict, entry);

        value = qdict_entry_value(entry);

        new_key = NULL;

        delete = false;

        if (prefix) {

            qobject_incref(value);

            new_key = g_strdup_printf("%s.%s", prefix, entry->key);

            qdict_put_obj(target, new_key, value);

            delete = true;

        }

        if (qobject_type(value) == QTYPE_QDICT) {

            qdict_do_flatten(qobject_to_qdict(value), target,

                             new_key ? new_key : entry->key);

            delete = true;

        }

        if (delete) {

            qdict_del(qdict, entry->key);

            /* Restart loop after modifying the iterated QDict */

            entry = qdict_first(qdict);

            continue;

        }

        entry = next;

    }

}

/**

 * qdict_flatten(): For each nested QDict with key x, all fields with key y

 * are moved to this QDict and their key is renamed to "x.y". This operation

 * is applied recursively for nested QDicts.

 */

void qdict_flatten(QDict *qdict)

{

    qdict_do_flatten(qdict, qdict, NULL);

}