4d932d5e2d
See http://redmine.imprudenceviewer.org/issues/590 and https://jira.secondlife.com/browse/SNOW-596
103 lines
2.4 KiB
C++
103 lines
2.4 KiB
C++
/**
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* @file llfixedbuffer.cpp
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*
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* $LicenseInfo:firstyear=2001&license=viewergpl$
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*
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* Copyright (c) 2001-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "llfixedbuffer.h"
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////////////////////////////////////////////////////////////////////////////
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LLFixedBuffer::LLFixedBuffer(const U32 max_lines)
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: LLLineBuffer(),
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mMaxLines(max_lines)
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{
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mTimer.reset();
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}
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LLFixedBuffer::~LLFixedBuffer()
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{
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clear();
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}
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void LLFixedBuffer::clear()
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{
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mMutex.lock() ;
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mLines.clear();
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mAddTimes.clear();
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mLineLengths.clear();
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mMutex.unlock() ;
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mTimer.reset();
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}
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void LLFixedBuffer::addLine(const std::string& utf8line)
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{
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LLWString wstring = utf8str_to_wstring(utf8line);
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addWLine(wstring);
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}
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void LLFixedBuffer::addWLine(const LLWString& line)
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{
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if (line.empty())
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{
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return;
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}
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removeExtraLines();
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mMutex.lock() ;
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mLines.push_back(line);
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mLineLengths.push_back((S32)line.length());
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mAddTimes.push_back(mTimer.getElapsedTimeF32());
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mMutex.unlock() ;
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}
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void LLFixedBuffer::setMaxLines(S32 max_lines)
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{
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mMaxLines = max_lines;
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removeExtraLines();
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}
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void LLFixedBuffer::removeExtraLines()
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{
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mMutex.lock() ;
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while ((S32)mLines.size() > llmax((S32)0, (S32)(mMaxLines - 1)))
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{
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mLines.pop_front();
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mAddTimes.pop_front();
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mLineLengths.pop_front();
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}
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mMutex.unlock() ;
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}
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