Checkpoint/3ds/source/directory.cpp

/*
 *   This file is part of Checkpoint
 *   Copyright (C) 2017-2019 Bernardo Giordano, FlagBrew
 *
 *   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, 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 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 <http://www.gnu.org/licenses/>.
 *
 *   Additional Terms 7.b and 7.c of GPLv3 apply to this file:
 *       * Requiring preservation of specified reasonable legal notices or
 *         author attributions in that material or in the Appropriate Legal
 *         Notices displayed by works containing it.
 *       * Prohibiting misrepresentation of the origin of that material,
 *         or requiring that modified versions of such material be marked in
 *         reasonable ways as different from the original version.
 */

#include "directory.hpp"

Directory::Directory(FS_Archive archive, const std::u16string& root)
{
    mGood = false;
    mList.clear();
    Handle handle;

    mError = FSUSER_OpenDirectory(&handle, archive, fsMakePath(PATH_UTF16, root.data()));
    if (R_FAILED(mError)) {
        return;
    }

    u32 result;
    do {
        FS_DirectoryEntry item;
        mError = FSDIR_Read(handle, &result, 1, &item);
        if (result == 1) {
            mList.push_back(item);
        }
    } while (result);

    mError = FSDIR_Close(handle);
    if (R_FAILED(mError)) {
        mList.clear();
        return;
    }

    mGood = true;
}

Result Directory::error(void)
{
    return mError;
}

bool Directory::good(void)
{
    return mGood;
}

std::u16string Directory::entry(size_t index)
{
    return index < mList.size() ? (char16_t*)mList.at(index).name : StringUtils::UTF8toUTF16("");
}

bool Directory::folder(size_t index)
{
    return index < mList.size() ? mList.at(index).attributes == FS_ATTRIBUTE_DIRECTORY : false;
}

size_t Directory::size(void)
{
    return mList.size();
}