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/*************************************************************************
* Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com> *
* *
* This file is part of The Dimension Library. *
* *
* The Dimension Library is free software; you can redistribute it and/ *
* or modify it under the terms of the GNU Lesser General Public License *
* as published by the Free Software Foundation; either version 3 of the *
* License, or (at your option) any later version. *
* *
* The Dimension Library is distributed in the hope that it will be *
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
// Some internal magic to use C FILE* I/O with C++ streams.
#ifndef DIMENSIONXX_COOKIE_HPP
#define DIMENSIONXX_COOKIE_HPP
#include <istream>
#include <ostream>
#include <cstdio>
namespace Dimension
{
// Simple RAII class for FILE*'s which interface with a C++ stream.
class FILE_Cookie
{
public:
FILE_Cookie(std::istream& istr);
FILE_Cookie(std::ostream& ostr);
FILE_Cookie(std::iostream& iostr);
~FILE_Cookie();
// Get the magic FILE*
FILE* file();
const FILE* file() const;
// Are we an input or output stream?
bool is_input() const;
bool is_output() const;
// Get the C++ streams
std::istream& istr();
const std::istream& istr() const;
std::ostream& ostr();
const std::ostream& ostr() const;
private:
std::FILE* m_file;
std::istream* m_istr;
std::ostream* m_ostr;
// Copying prohibited
FILE_Cookie(const FILE_Cookie& cookie);
FILE_Cookie& operator=(const FILE_Cookie& cookie);
};
}
#endif /* DIMENSIONXX_COOKIE_HPP */
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