<?php

declare(strict_types=1);

/**
 * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
 *
 * Copyright (C) 2019 - 2020 Jan Böhmer (https://github.com/jbtronics)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

namespace App\Services\LabelSystem\PlaceholderProviders;

interface PlaceholderProviderInterface
{
    /**
     * Determines the real value of this placeholder.
     * If the placeholder is not supported, null must be returned.
     *
     * @param string $placeholder  The placeholder (e.g. "%%PLACEHOLDER%%") that should be replaced
     * @param object $label_target The object that is targeted by the label
     * @param array  $options      a list of options that can be used to specify the generated output further
     *
     * @return string|null the real value of this placeholder, null if not supported
     */
    public function replace(string $placeholder, object $label_target, array $options = []): ?string;
}