Littlefs1File.hpp

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#ifndef INCLUDE_DISTORTOS_FILESYSTEM_LITTLEFS1_LITTLEFS1FILE_HPP_
#define INCLUDE_DISTORTOS_FILESYSTEM_LITTLEFS1_LITTLEFS1FILE_HPP_

#include "distortos/FileSystem/File.hpp"

#include "distortos/distortosConfiguration.h"

#include "lfs1.h"

#include <memory>

namespace distortos
{

class Littlefs1FileSystem;

class Littlefs1File : public File
{
    friend class Littlefs1FileSystem;

public:

    ~Littlefs1File() override;

    int close() override;

    std::pair<int, off_t> getPosition() override;

    std::pair<int, off_t> getSize() override;

    int getStatus(struct stat& status) override;

    std::pair<int, bool> isATerminal() override;

    void lock() override;

    std::pair<int, size_t> read(void* buffer, size_t size) override;

    int rewind() override;

    std::pair<int, off_t> seek(Whence whence, off_t offset) override;

    int synchronize() override;

    void unlock() override;

    std::pair<int, size_t> write(const void* buffer, size_t size) override;

private:

    constexpr explicit Littlefs1File(Littlefs1FileSystem& fileSystem) :
            buffer_{},
            configuration_{},
            file_{},
            fileSystem_{fileSystem},
            opened_{}
    {

    }

    int open(const char* path, int flags);

    std::unique_ptr<uint8_t[]> buffer_;

    lfs1_file_config configuration_;

    lfs1_file_t file_;

    Littlefs1FileSystem& fileSystem_;

    bool opened_;
};

}   // namespace distortos

#endif  // INCLUDE_DISTORTOS_FILESYSTEM_LITTLEFS1_LITTLEFS1FILE_HPP_