fstream.h

Go to the documentation of this file.

#ifndef joedb_fstream_declared
#define joedb_fstream_declared
 
#include "joedb/journal/File.h"
#include "joedb/journal/filebuf.h"
 
#include <iostream>
#include <istream>
#include <ostream>
 
namespace joedb
{
 namespace detail
 {
  struct fstream_Parent
  {
   protected:
    joedb::File file;
    joedb::filebuf buf;
 
   public:
    fstream_Parent(const char *file_name, Open_Mode mode):
     file(file_name, mode),
     buf(file)
    {
    }
  };
 }
 
 /// @ingroup journal
 class fstream: private detail::fstream_Parent, public std::iostream
 {
  public:
   fstream(const char *file_name, Open_Mode mode):
    fstream_Parent(file_name, mode),
    std::iostream(&(detail::fstream_Parent::buf))
   {
   }
 
   fstream(const std::string &file_name, Open_Mode mode):
    fstream(file_name.c_str(), mode)
   {
   }
 };
 
 /// @ingroup journal
 class ifstream: private detail::fstream_Parent, public std::istream
 {
  public:
   ifstream(const char *file_name, Open_Mode mode = Open_Mode::read_existing):
    fstream_Parent(file_name, mode),
    std::istream(&(detail::fstream_Parent::buf))
   {
   }
 
   ifstream(const std::string &file_name, Open_Mode mode = Open_Mode::read_existing):
    ifstream(file_name.c_str(), mode)
   {
   }
 };
 
 /// @ingroup journal
 class ofstream: private detail::fstream_Parent, public std::ostream
 {
  public:
   ofstream(const char *file_name, Open_Mode mode):
    fstream_Parent(file_name, mode),
    std::ostream(&(detail::fstream_Parent::buf))
   {
   }
 
   ofstream(const std::string &file_name, Open_Mode mode):
    ofstream(file_name.c_str(), mode)
   {
   }
 };
}
 
#endif