/** * @file llfixedbuffer.h * @brief A fixed size buffer of lines. * * $LicenseInfo:firstyear=2001&license=viewergpl$ * * Copyright (c) 2001-2009, 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