llfixedbuffer.cpp

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#include "linden_common.h"

#include "llfixedbuffer.h"

LLFixedBuffer::LLFixedBuffer(const U32 max_lines)
{
        mMaxLines = max_lines;
        mTimer.reset();
}


LLFixedBuffer::~LLFixedBuffer()
{
        clear();
}


void LLFixedBuffer::clear()
{
        mLines.clear();
        mAddTimes.clear();
        mLineLengths.clear();

        mTimer.reset();
}


void LLFixedBuffer::addLine(const LLString& utf8line)
{
        LLWString wstring = utf8str_to_wstring(utf8line);
        LLFixedBuffer::addLine(wstring);
}

void LLFixedBuffer::addLine(const LLWString& line)
{
        if (line.empty())
        {
                return;
        }

        removeExtraLines();

        mLines.push_back(line);
        mLineLengths.push_back((S32)line.length());
        mAddTimes.push_back(mTimer.getElapsedTimeF32());
}


void LLFixedBuffer::setMaxLines(S32 max_lines)
{
        mMaxLines = max_lines;

        removeExtraLines();
}


void LLFixedBuffer::removeExtraLines()
{
        while ((S32)mLines.size() > llmax((S32)0, (S32)(mMaxLines - 1)))
        {
                mLines.pop_front();
                mAddTimes.pop_front();
                mLineLengths.pop_front();
        }
}

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