#ifndef INCLUDED_BOBCAT_PIPE_
#define INCLUDED_BOBCAT_PIPE_

#include <bobcat/errno>

namespace FBB
{

class Pipe
{
    protected:
        enum  RW 
        {
            READ, 
            WRITE 
        };
        int d_fd[2];

    public:
        Pipe();
        explicit Pipe(int const *fd);

        // ~Pipe(); removed from the interface as it's implementation was
        //          empty and this class is not a Base class having virtual
        //          members

        void verify() const;        // SF, now empty

        int readFd() const;
        int writeFd() const;

        void readFrom(int filedescriptor);   

        // experimental:
        void readFrom(int const *filedescriptor, size_t n);

        int readOnly();
        void writtenBy(int filedescriptor);
        void writtenBy(int const *filedescriptor, size_t n = 2);
        int writeOnly();
};

inline int Pipe::readFd() const
{
    return d_fd[READ];
}

inline int Pipe::writeFd() const
{
    return d_fd[WRITE];
}


} // FBB

#endif
