#ifndef UTILS_TEMPFILE_H
#define UTILS_TEMPFILE_H

#include <fstream>
#include <string>


struct temp_file_t
/* Provides a scoped temporary file. File's filename is obtained from
tmpnam or as a constructor parameter. The file is deleted by the
destructor. Clients use the public `stream' member to write to the
file. the `close_and_move' function close the file and moves it to
the new filename, useful for programmes that want to ensure that a
generated file is either created correctly or not created at all.*/
{
    temp_file_t();
    explicit temp_file_t( const std::string& filename);

    ~temp_file_t();

    std::ofstream   stream;
    std::string     filename;

    void    close_and_move( const std::string& newfilename);
    
    private:
        void    open( const std::string& newfilename);
        void    close();
};


#endif