CDataTime.hpp

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// INDENTING (emacs/vi): -*- mode:c++; tab-width:2; c-basic-offset:2; intent-tabs-mode:nil; -*- ex: set tabstop=2 expandtab:
 
/*
 * Qt Virtual Chart Table (QVCT)
 * Copyright (C) 2012 Cedric Dufour <http://cedric.dufour.name>
 * Author: Cedric Dufour <http://cedric.dufour.name>
 *
 * The Qt Virtual Chart Table (QVCT) is free software:
 * you can redistribute it and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation, Version 3.
 *
 * The Qt Virtual Chart Table (QVCT) is distributed in the hope
 * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * See the GNU General Public License for more details.
 */
 
#ifndef QVCT_CDATATIME_HPP
#define QVCT_CDATATIME_HPP
 
// C/C++
#include <time.h>
 
// QT
class QDataStream;
 
 
 
class CDataTime
{
 
  //------------------------------------------------------------------------------
  // CONSTANTS / STATIC
  //------------------------------------------------------------------------------
 
public:
  static constexpr double UNDEFINED_TIME = -9999999;
  static const CDataTime UNDEFINED;
 
 
  //------------------------------------------------------------------------------
  // FIELDS
  //------------------------------------------------------------------------------
 
private:
 
  double fdTime;
 
 
  //------------------------------------------------------------------------------
  // CONSTRUCTORS / DESTRUCTOR
  //------------------------------------------------------------------------------
 
public:
  CDataTime( double _fdTime = UNDEFINED_TIME );
  CDataTime( const CDataTime& _roDataTime );
  virtual ~CDataTime() {};
 
 
  //------------------------------------------------------------------------------
  // METHODS
  //------------------------------------------------------------------------------
 
  // SETTERS
public:
  void setTime( double _fdTime );
  void setTime( time_t _tSeconds, long _lNanoSeconds );
  void setTime( const CDataTime& _roDataTime );
 
  void resetTime() { fdTime = UNDEFINED_TIME; };
 
  // GETTERS
public:
  double getTime() const { return fdTime; };
 
  // OTHER
public:
  void serialize( QDataStream& _rqDataStream ) const;
  void unserialize( QDataStream& _rqDataStream );
 
 
  // OPERATORS
public:
 
  bool operator==( const CDataTime& _roTime ) const;
 
  bool operator!=( const CDataTime& _roTime ) const;
 
  // COMPARATORS
public:
  static bool compareTimeAscending( const CDataTime& _roTime1, const CDataTime& _roTime2 );
  static bool compareTimeDescending( const CDataTime& _roTime1, const CDataTime& _roTime2 );
 
};
 
#endif // QVCT_CDATATIME_HPP