PrismLauncher/launcher/icons/IconUtils.cpp

// SPDX-License-Identifier: GPL-3.0-only
/*
 *  Prism Launcher - Minecraft Launcher
 *  Copyright (c) 2023 Trial97 <alexandru.tripon97@gmail.com>
 *
 *  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, version 3.
 *
 *  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, see <https://www.gnu.org/licenses/>.
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 *      Copyright 2013-2021 MultiMC Contributors
 *
 *      Licensed under the Apache License, Version 2.0 (the "License");
 *      you may not use this file except in compliance with the License.
 *      You may obtain a copy of the License at
 *
 *          http://www.apache.org/licenses/LICENSE-2.0
 *
 *      Unless required by applicable law or agreed to in writing, software
 *      distributed under the License is distributed on an "AS IS" BASIS,
 *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *      See the License for the specific language governing permissions and
 *      limitations under the License.
 */

#include "IconUtils.h"

#include <QDirIterator>
#include "FileSystem.h"

namespace {
static const QStringList validIconExtensions = { { "svg", "png", "ico", "gif", "jpg", "jpeg" } };
}

namespace IconUtils {

QString findBestIconIn(const QString& folder, const QString& iconKey)
{
    QString best_filename;

    QDirIterator it(folder, QDir::NoDotAndDotDot | QDir::Files, QDirIterator::NoIteratorFlags);
    while (it.hasNext()) {
        it.next();
        auto fileInfo = it.fileInfo();
        if ((fileInfo.completeBaseName() == iconKey || fileInfo.fileName() == iconKey) && isIconSuffix(fileInfo.suffix()))
            return fileInfo.absoluteFilePath();
    }
    return {};
}

QString getIconFilter()
{
    return "(*." + validIconExtensions.join(" *.") + ")";
}

bool isIconSuffix(QString suffix)
{
    return validIconExtensions.contains(suffix);
}

}  // namespace IconUtils