LogContainer.h

// SPDX-FileCopyrightText: 2013-2021 Tobias Lorenz <tobias.lorenz@gmx.net>
//
// SPDX-License-Identifier: GPL-3.0-or-later
 
#pragma once
 
#include <Vector/BLF/platform.h>
 
#include <vector>
 
#include <Vector/BLF/AbstractFile.h>
#include <Vector/BLF/ObjectHeaderBase.h>
 
#include <Vector/BLF/vector_blf_export.h>
 
namespace Vector {
namespace BLF {

struct VECTOR_BLF_EXPORT LogContainer final : ObjectHeaderBase {
    LogContainer();
 
    void read(AbstractFile & is) override;
    void write(AbstractFile & os) override;
    uint32_t calculateObjectSize() const override;

    uint16_t compressionMethod {};

    uint16_t reservedLogContainer1 {};

    uint32_t reservedLogContainer2 {};

    uint32_t uncompressedFileSize {};

    uint32_t reservedLogContainer3 {}; // @todo what is this? 0x0215, 0x9a, 0, 0x0c...

    std::vector<uint8_t> compressedFile {};
 
    /* following data is calculated */

    std::vector<uint8_t> uncompressedFile {};

    uint32_t compressedFileSize {};

    std::streampos filePosition {};

    uint16_t internalHeaderSize() const;

    virtual void uncompress();

    virtual void compress(const uint16_t compressionMethod, const int compressionLevel);
};
 
}
}