scummvm/common/bufferedstream.h

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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef COMMON_BUFFEREDSTREAM_H
#define COMMON_BUFFEREDSTREAM_H
#include "common/stream.h"
namespace Common {
/**
* Take an arbitrary ReadStream and wrap it in a custom stream which
* transparently provides buffering.
* Users can specify how big the buffer should be, and whether the wrapped
* stream should be disposed when the wrapper is disposed.
*
* It is safe to call this with a NULL parameter (in this case, NULL is
* returned).
*/
ReadStream *wrapBufferedReadStream(ReadStream *parentStream, uint32 bufSize, DisposeAfterUse::Flag disposeParentStream);
/**
* Take an arbitrary SeekableReadStream and wrap it in a custom stream which
* transparently provides buffering.
* Users can specify how big the buffer should be, and whether the wrapped
* stream should be disposed when the wrapper is disposed.
*
* It is safe to call this with a NULL parameter (in this case, NULL is
* returned).
*/
SeekableReadStream *wrapBufferedSeekableReadStream(SeekableReadStream *parentStream, uint32 bufSize, DisposeAfterUse::Flag disposeParentStream);
/**
* Take an arbitrary WriteStream and wrap it in a custom stream which
* transparently provides buffering.
* Users can specify how big the buffer should be. Currently, the
* parent stream is \em always disposed when the wrapper is disposed.
*
* It is safe to call this with a NULL parameter (in this case, NULL is
* returned).
*/
WriteStream *wrapBufferedWriteStream(WriteStream *parentStream, uint32 bufSize);
} // End of namespace Common
#endif