Luna/libos/include/os/Directory.h

#pragma once
#include <dirent.h>
#include <luna/SharedPtr.h>
#include <luna/String.h>
#include <luna/Vector.h>

namespace os
{
    class Directory
    {
      public:
        static Result<SharedPtr<Directory>> open(StringView path);

        static Result<SharedPtr<Directory>> openat(int dirfd, StringView path);

        enum class Filter
        {
            None,
            Hidden,
            ParentAndBase
        };

        Result<String> next(Filter filter);

        Result<Vector<String>> list(Filter filter);

        void rewind();

        int fd()
        {
            return dirfd(m_dirp);
        }

        ~Directory();

      private:
        Directory(Badge<Directory>);

        DIR* m_dirp { nullptr };
    };
}