project64/Source/Common/LogClass.h

#pragma once
#include "FileClass.h"
#include "StdString.h"

enum LOG_OPEN_MODE
{
    Log_New, Log_Append
};

class CLog
{
    enum { MB = 1024 * 1024 };
    enum { MAX_FILE_SIZE = 10 * MB };

    CFile  m_hLogFile;
    bool   m_FlushOnWrite;
    stdstr m_FileName;
    bool   m_TruncateFileLog;
    uint32_t  m_MaxFileSize;
    uint32_t  m_FileChangeSize;

public:
    CLog(void);
    ~CLog(void);

    bool Open(const char * FileName, LOG_OPEN_MODE mode = Log_New);
    void Log(const char * Message);
    void LogF(const char * Message, ...);
    void LogArgs(const char * Message, va_list & args);
    bool Empty(void);
    void Close(void);

    inline void SetMaxFileSize(uint32_t Size)
    {
        m_MaxFileSize = Size;
        m_FileChangeSize = (uint32_t)(Size * 0.1);
    }
    inline void SetTruncateFile(bool Truncate) { m_TruncateFileLog = Truncate; }
    inline void SetFlush(bool Always)   { m_FlushOnWrite = Always; }
    inline bool IsOpen(void) const { return m_hLogFile.IsOpen(); }
    inline bool Flush(void)       { return m_hLogFile.Flush(); }
    inline const stdstr & FileName(void) const { return m_FileName; }
};