Buffer.h

00001 /*
00002 
00003 Copyright (C) 2006-2007 by Peter Dimov.
00004 
00005 This file is part of Calitko (http://www.calitko.org).
00006 
00007 Calitko is free software; you can redistribute it and/or modify
00008 it under the terms of the GNU General Public License as published by
00009 the Free Software Foundation; either version 2 of the License, or
00010 (at your option) any later version.
00011 
00012 Calitko is distributed in the hope that it will be useful,
00013 but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 GNU General Public License for more details.
00016 
00017 You should have received a copy of the GNU General Public License
00018 along with Calitko; if not, write to the Free Software
00019 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00020 
00021 */
00022 
00023 #ifndef PROTOCOLS__GENERICS__BUFFER_H
00024 #define PROTOCOLS__GENERICS__BUFFER_H
00025 
00026 #include "Imports.h"
00027 
00028 namespace Protocols {
00029 namespace Generics {
00030 
00032 
00040 class Buffer
00041 {
00042 public:
00043     virtual             ~Buffer() {};
00044 
00045     virtual bool        canRead (int count) const = 0;
00046 
00047     virtual QByteArray  peek (int count) const = 0;
00048     virtual QByteArray  peekAtMost (int count) const = 0;
00049     virtual QByteArray  peekTo (const QByteArray &delimiter) const = 0;
00050     virtual QByteArray  peekAll() const = 0;
00051 
00052     virtual QByteArray  read (int count) = 0;
00053     virtual QByteArray  readAtMost (int count) = 0;
00054     virtual QByteArray  readTo (const QByteArray &delimiter) = 0;
00055     virtual QByteArray  readAll() = 0;
00056 
00057     virtual bool        canWrite (int count) const = 0;
00058     virtual bool        write (const QByteArray &bytes, bool flush = true) = 0;
00059 };
00060 
00061 } // namespace Generics
00062 } // namespace Protocols
00063 
00064 #endif // PROTOCOLS__GENERICS__BUFFER_H