llfixedbuffer.h
上传用户:king477883
上传日期:2021-03-01
资源大小:9553k
文件大小:2k
- /**
- * @file llfixedbuffer.h
- * @brief A fixed size buffer of lines.
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #ifndef LL_LLFIXEDBUFFER_H
- #define LL_LLFIXEDBUFFER_H
- #include "timer.h"
- #include <deque>
- #include <string>
- #include "llstring.h"
- #include "llthread.h"
- #include "llerrorcontrol.h"
- // 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:
- LLMutex mMutex ;
- };
- #endif //LL_FIXED_BUFFER_H