#ifndef FDISTREAM_H_
#define FDISTREAM_H_

#include <iostream>
#include "fdiobuf.hpp" // @exclude

namespace sc {
    namespace io {
        class fdistream : public std::istream {
            public:
                fdistream() : std::istream(&_inbuf), _inbuf(-1) {}
                fdistream(int fd) : std::istream(&_inbuf), _inbuf(fd) {}

                // no copying
                fdistream(const fdistream&) = delete;
                fdistream& operator=(const fdistream&) = delete;

                // moving allowed
                fdistream(fdistream&& other);
                fdistream& operator=(fdistream&& other);

                // cleanup: fdistream is RAII class for open file descriptor
                virtual ~fdistream();

                int fd() const { return _inbuf.fd(); }
                void fd(int fd) { _inbuf.fd(fd); }

                bool is_open() const { return _inbuf.fd() != -1; }
                void close();

            protected:
                fdiobuf _inbuf;
        };
    }
}

#endif // FDISTREAM_H_