simple_fs.h

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#pragma once
 
#include <memory>
 
#include "contur/fs/i_filesystem.h"
 
namespace contur {

    class SimpleFS final : public IFileSystem
    {
        public:
        explicit SimpleFS(std::size_t totalBlocks = 256, std::size_t blockSize = 512);
        ~SimpleFS() override;
 
        SimpleFS(const SimpleFS &) = delete;
        SimpleFS &operator=(const SimpleFS &) = delete;
        SimpleFS(SimpleFS &&) noexcept;
        SimpleFS &operator=(SimpleFS &&) noexcept;

        [[nodiscard]] Result<FileDescriptor> open(const std::string &path, OpenMode mode) override;

        [[nodiscard]] Result<std::size_t> read(FileDescriptor fd, std::span<std::byte> buffer) override;

        [[nodiscard]] Result<std::size_t> write(FileDescriptor fd, std::span<const std::byte> data) override;

        [[nodiscard]] Result<void> close(FileDescriptor fd) override;

        [[nodiscard]] Result<void> mkdir(const std::string &path) override;

        [[nodiscard]] Result<void> remove(const std::string &path) override;

        [[nodiscard]] Result<std::vector<DirectoryEntry>> listDir(const std::string &path) const override;

        [[nodiscard]] Result<InodeInfo> stat(const std::string &path) const override;
 
        private:
        struct Impl;
        std::unique_ptr<Impl> impl_;
    };
 
} // namespace contur