/** * @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