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/**
* @file llfixedbuffer.h
* @brief A fixed size buffer of lines.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLFIXEDBUFFER_H
#define LL_LLFIXEDBUFFER_H
#include "timer.h"
#include <deque>
#include <string>
#include "llstring.h"
#include "llthread.h"
#include "llerrorcontrol.h"
#include "llcoros.h"
// fixed buffer implementation
class LL_COMMON_API LLFixedBuffer : public LLLineBuffer
{
public:
LLFixedBuffer(const U32 max_lines = 20);
~LLFixedBuffer();
LLTimer mTimer;
U32 mMaxLines;
std::deque<LLWString> mLines;
std::deque<F32> mAddTimes;
std::deque<S32> mLineLengths;
/*virtual*/ void clear(); // Clear the buffer, and reset it.
/*virtual*/ void addLine(const std::string& utf8line);
void setMaxLines(S32 max_lines);
protected:
void removeExtraLines();
void addWLine(const LLWString& line);
protected:
LLCoros::Mutex mMutex ;
};
#endif //LL_FIXED_BUFFER_H
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