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loopbuffer.hpp
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loopbuffer.hpp
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/* $Id$
This file is a part of ponder, a English/American checkers game.
Copyright (c) 2006, 2007 Quux Information.
Gong Jie <[email protected]>
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
/** @file loopbuffer.hpp
* @brief Loop buffer.
*/
#ifndef __LOOPBUFFER_HPP__
#define __LOOPBUFFER_HPP__
namespace checkers
{
class loopbuffer
{
public:
explicit loopbuffer(unsigned int max_size = 512);
~loopbuffer(void);
inline int max_size(void) const;
inline bool is_full(void) const;
inline bool is_empty(void) const;
inline int lines(void) const;
inline bool eof(void) const;
char front(void) const;
void pop_front(void);
/// Read from a file descriptor.
void read(int fd);
/// Write to a file descriptor.
void write(int fd);
std::string getline(void);
void push_back(char c);
void push_back(const std::string& str);
void push_back(const char* s);
private:
/// Define but not implement, to prevent object copy.
loopbuffer(const loopbuffer& rhs);
/// Define but not implement, to prevent object copy.
loopbuffer& operator=(const loopbuffer& rhs);
void enlarge(void);
char* _buffer;
unsigned int _max_size;
unsigned int _front;
unsigned int _rear;
unsigned int _lines;
/// Reach the end-of-file or not.
bool _eof;
};
}
#include "loopbuffer_i.hpp"
#endif // __LOOPBUFFER_HPP__
// End of file