infinipaint/src/VersionConstants.hpp

/*  
 * InfiniPaint
 * Copyright (C) 2025-2026 Yousef Khadadeh
 *
 * 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 <https://www.gnu.org/licenses/>.
 */

#pragma once
#include <Helpers/VersionNumber.hpp>
#include <unordered_map>

namespace VersionConstants {
    // Map OLDEST version that is compatible with the filetype with a specific header
    // This means that, to check for file version, you can do these two checks:
    // Check if older than a certain version: if(fileVersion < NEWEST VERSION YOU SHOULDNT RUN THE IF STATEMENT ON)
    // Check if newer/equal to a certain version: if(fileVersion >= OLDEST VERSION YOU SHOULD RUN THE IF STATEMENT ON)
    VersionNumber header_to_version_number(const std::string& header); 

    constexpr int SAVEFILE_HEADER_LEN = 12; // DO NOT CHANGE THIS HEADER LENGTH
    const std::string CURRENT_SAVEFILE_HEADER = "INFPNT000007"; // Change whenever the save file is incompatible with the previous version
    const std::string CURRENT_VERSION_STRING = "0.7.0-fork";
    constexpr VersionNumber CURRENT_VERSION_NUMBER(0, 7, 0);
}