log.h

// Copyright (C) 2008,2009,2010 by Philipp Münzel. All rights reserved.
// Released under the terms of the license described in license.txt

#ifndef LOG_H
#define LOG_H

#include "dllexport.h"

#include <string>
#include <ctime>
#include <sstream>
#ifdef HAVE_TR1
#include <tr1/cstdint>
#else
#include <stdint.h>
#endif

namespace SCS {

class DLL_PUBLIC LogWriter;

enum Level {
    L_UNSPEC=-1,    
    L_FAIL  = 0,    
    L_ERROR = 1,    
    L_WARN  = 2,    
    L_INFO  = 3     
};

struct DLL_PUBLIC LogEntry {
    Level lvl;          
    std::string txt;    
    time_t time;        
};


class DLL_PUBLIC Log {
public:
    Log();

    static Log& Info(Log& log);

    static Log& Warn(Log& log);

    static Log& Error(Log& log);

    static Log& Fail(Log& log);

    static Log& endl(Log& log);

    Log& operator<<(int i);

    Log& operator<<(uint32_t u32);

    Log& operator<<(float f);

    Log& operator<<(double d);

    Log& operator<<(char c);

    Log& operator<<(const std::string& s);

    Log& operator<<(Log& (*f)(Log&));

private:
    Level m_severity;
    LogWriter& m_writer;
    std::ostringstream m_stream;
};
}

#endif // LOG_H