/** * @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 #include #include "llstring.h" #include "llthread.h" // Fixed size buffer for console output and other things. class LLFixedBuffer { public: LLFixedBuffer(const U32 max_lines = 20); virtual ~LLFixedBuffer(); LLTimer mTimer; U32 mMaxLines; std::deque mLines; std::deque mAddTimes; std::deque mLineLengths; void clear(); // Clear the buffer, and reset it. //do not make these two "virtual" void addLine(const std::string& utf8line); void addLine(const LLWString& line); // Get lines currently in the buffer, up to max_size chars, max_length lines char *getLines(U32 max_size = 0, U32 max_length = 0); void setMaxLines(S32 max_lines); protected: virtual void removeExtraLines(); protected: LLMutex mMutex ; }; const U32 FIXED_BUF_MAX_LINE_LEN = 255; // Not including termnating 0 #endif //LL_FIXED_BUFFER_H