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/*
* Baltisot
* Copyright (C) 1999-2007 Nicolas "Pixel" Noble
*
* 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; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* $Id: Buffer.h,v 1.24 2008-01-21 17:55:43 pixel Exp $ */
#ifndef __BUFFER_H__
#define __BUFFER_H__
#include <zlib.h>
#include <Exceptions.h>
#include <Handle.h>
#ifndef realloc_threshold
#define realloc_threshold 256
#endif
class Buffer : public Handle {
public:
Buffer(bool seekable = false);
Buffer(const Buffer &);
virtual ~Buffer();
virtual ssize_t write(const void *buf, size_t count) throw(GeneralException);
virtual ssize_t read(void *buf, size_t count) throw (GeneralException);
virtual bool CanRead() const;
virtual bool CanWrite() const;
virtual String GetName() const;
virtual Buffer operator=(const Buffer &);
virtual bool CanWatch() const;
virtual ssize_t GetSize() const;
virtual ssize_t GetRemaining() const;
virtual bool CanSeek() const;
virtual off_t seek(off_t, int = SEEK_SET) throw (GeneralException);
virtual off_t tell() const;
Byte operator[](size_t) const;
Byte & operator[](size_t);
off_t wseek(off_t, int = SEEK_SET) throw (GeneralException);
off_t wtell() const;
void reset();
const Byte * GetBuffer() const;
static int GetNbBuffer();
private:
Byte * buffer, zero;
size_t realsiz, bufsiz, ptr, wptr;
bool seekable;
bool got_eof;
static int nb_buffer;
};
#endif
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