Timestamp.h

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/*
 * File: Timestamp.h
 * Author: Dorian Galvez-Lopez
 * Date: March 2009
 * Description: timestamping functions
 * License: see the LICENSE.txt file
 *
 */
 
#ifndef __D_TIMESTAMP__
#define __D_TIMESTAMP__
 
#include <iostream>
using namespace std;
 
namespace DUtils {
 
class Timestamp
{
public:
 
  enum tOptions
  {
    NONE = 0,
    CURRENT_TIME = 0x1,
    ZERO = 0x2
  };
  
public:
  
        Timestamp(Timestamp::tOptions option = NONE);
        
        virtual ~Timestamp(void);
 
  bool empty() const;
 
        void setToCurrentTime();
 
        inline void setTime(unsigned long secs, unsigned long usecs){
                m_secs = secs;
                m_usecs = usecs;
        }
        
        inline void getTime(unsigned long &secs, unsigned long &usecs) const
        {
          secs = m_secs;
          usecs = m_usecs;
        }
 
        void setTime(const string &stime);
        
        void setTime(double s);
        
        double getFloatTime() const;
 
        string getStringTime() const;
 
        double operator- (const Timestamp &t) const;
 
        Timestamp plus(unsigned long s, unsigned long us) const;
 
  Timestamp minus(unsigned long s, unsigned long us) const;
 
  Timestamp& operator+= (double s);
  
  Timestamp& operator-= (double s);
 
        Timestamp operator+ (double s) const;
 
        Timestamp operator- (double s) const;
 
        bool operator> (const Timestamp &t) const;
 
        bool operator>= (const Timestamp &t) const;
 
        bool operator== (const Timestamp &t) const;
 
        bool operator< (const Timestamp &t) const;
 
        bool operator<= (const Timestamp &t) const;
 
  string Format(bool machine_friendly = false) const;
 
        static string Format(double s);
        
 
protected:
        unsigned long m_secs;   // seconds
        unsigned long m_usecs;  // microseconds
};
 
}
 
#endif