libcruft-util/stream.hpp
Danny Robson 67d567b5c3 stream: add stream bit printing object
Allows one to print a given number of bits from an integral value easily
using streams.
2014-07-15 19:50:08 +10:00

61 lines
1.8 KiB
C++

/*
* This file is part of libgim.
*
* libgim is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* libgim 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with libgim. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2011 Danny Robson <danny@nerdcruft.net>
*/
#ifndef __UTIL_STREAM_HPP
#define __UTIL_STREAM_HPP
#include <iostream>
namespace util {
namespace stream {
//---------------------------------------------------------------------
class null : public std::ostream {
public:
std::ostream & put (char c);
std::ostream & write (const char *s, std::streamsize n);
std::streampos tellp (void);
std::ostream & seekp (std::streampos pos);
std::ostream & seekp (std::streamoff off,
std::ios_base::seekdir dir);
std::ostream & flush (void);
bool good (void) const;
bool bad (void) const;
bool eof (void) const;
bool fail (void) const;
};
//---------------------------------------------------------------------
struct bits {
bits (uintmax_t value, unsigned count);
uintmax_t value;
unsigned count;
};
}
}
std::ostream& operator<< (std::ostream&, util::stream::bits);
#endif