Method getOptions

/**
 * Method to get the field options.
 *
 * @return  array  The field option objects.
 *
 * @since   1.7.0
 */
protected function getOptions()
{
    $options = array();
    $path = $this->directory;
    if (!is_dir($path)) {
        if (is_dir(JPATH_ROOT . '/' . $path)) {
            $path = JPATH_ROOT . '/' . $path;
        } else {
            return [];
        }
    }
    $path = Path::clean($path);
    // Prepend some default options based on field attributes.
    if (!$this->hideNone) {
        $options[] = HTMLHelper::_('select.option', '-1', Text::alt('JOPTION_DO_NOT_USE', preg_replace('/[^a-zA-Z0-9_\\-]/', '_', $this->fieldname)));
    }
    if (!$this->hideDefault) {
        $options[] = HTMLHelper::_('select.option', '', Text::alt('JOPTION_USE_DEFAULT', preg_replace('/[^a-zA-Z0-9_\\-]/', '_', $this->fieldname)));
    }
    // Get a list of folders in the search path with the given filter.
    $folders = Folder::folders($path, $this->folderFilter, $this->recursive, true);
    // Build the options list from the list of folders.
    if (\is_array($folders)) {
        foreach ($folders as $folder) {
            // Remove the root part and the leading /
            $folder = trim(str_replace($path, '', $folder), DIRECTORY_SEPARATOR);
            // Check to see if the file is in the exclude mask.
            if ($this->exclude) {
                if (preg_match(\chr(1) . $this->exclude . \chr(1), $folder)) {
                    continue;
                }
            }
            $options[] = HTMLHelper::_('select.option', $folder, $folder);
        }
    }
    // Merge any additional options in the XML definition.
    $options = array_merge(parent::getOptions(), $options);
    return $options;
}