phoenix-firestorm/indra/llcommon/llfixedbuffer.h

45 lines
1.0 KiB
C++

/**
* @file llfixedbuffer.h
* @brief A fixed size buffer of lines.
*
* Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
* $License$
*/
#ifndef LL_LLFIXEDBUFFER_H
#define LL_LLFIXEDBUFFER_H
#include "timer.h"
#include <deque>
#include <string>
#include "llstring.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<LLWString> mLines;
std::deque<F32> mAddTimes;
std::deque<S32> mLineLengths;
void clear(); // Clear the buffer, and reset it.
virtual void addLine(const LLString& utf8line);
virtual 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();
};
const U32 FIXED_BUF_MAX_LINE_LEN = 255; // Not including termnating 0
#endif //LL_FIXED_BUFFER_H