<?php

/**
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; under version 2
 * of the License (non-upgradable).
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright (c) 2017 (original work) Open Assessment Technologies SA;
 *
 */

namespace oat\tao\model\cliArgument;

use oat\oatbox\service\ConfigurableService;
use oat\tao\model\cliArgument\argument\Argument;

abstract class ArgumentLoader extends ConfigurableService
{
    /**
     * Get list of serialized arguments
     *
     * @return array
     */
    abstract protected function getOptionArguments();

    /**
     * Get all grouped arguments from options
     *
     * @return Argument[]
     */
    protected function getArguments()
    {
        $arguments = [];
        foreach ($this->getOptionArguments() as $argument) {
            if ($argument instanceof Argument) {
                $arguments[] = $this->getServiceManager()->propagate($argument);
            }
        }
        return $arguments;
    }
}