<?php
/**
 * @author Morris Jobke <hey@morrisjobke.de>
 * @author Robin McCorkell <rmccorkell@karoshi.org.uk>
 *
 * @copyright Copyright (c) 2015, ownCloud, Inc.
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OC\Assetic;

use Assetic\Filter\FilterInterface;
use Assetic\Asset\AssetInterface;

/**
 * Inserts a separator between assets to prevent merge failures
 * e.g. missing semicolon at the end of a JS file
 */
class SeparatorFilter implements FilterInterface
{
    /**
     * @var string
     */
    private $separator;

    /**
     * Constructor.
     *
     * @param string $separator Separator to use between assets
     */
    public function __construct($separator = ';')
    {
        $this->separator = $separator;
    }

    public function filterLoad(AssetInterface $asset)
    {
    }

    public function filterDump(AssetInterface $asset)
    {
        $asset->setContent($asset->getContent() . $this->separator);
    }
}