grive2/libgrive/src/util/DateTime.hh

68 lines
1.8 KiB
C++

/*
grive: an GPL program to sync a local directory with Google Drive
Copyright (C) 2012 Wan Wai Ho
This program 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 2
of the License.
This program 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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#pragma once
#include <ctime>
#include <string>
#include <iosfwd>
#include <sys/time.h>
namespace gr {
class DateTime
{
public :
DateTime( ) ;
explicit DateTime( const std::string& iso ) ;
explicit DateTime( std::time_t sec, unsigned long nsec = 0 ) ;
void Assign( std::time_t sec, unsigned long nsec = 0 ) ;
static DateTime Now() ;
std::time_t Sec( ) const ;
unsigned long NanoSec( ) const ;
std::string Format( const std::string& format ) const ;
tm Tm() const ;
timeval Tv() const ;
bool operator==( const DateTime& dt ) const ;
bool operator!=( const DateTime& dt ) const ;
bool operator>( const DateTime& dt ) const ;
bool operator>=( const DateTime& dt ) const ;
bool operator<( const DateTime& dt ) const ;
bool operator<=( const DateTime& dt ) const ;
void Swap( DateTime& dt ) ;
std::string ToString() const ;
std::string Serialize() const ;
static DateTime Unserialize( const std::string & ) ;
private :
std::time_t m_sec ;
unsigned long m_nsec ;
} ;
std::ostream& operator<<( std::ostream& os, const DateTime& dt ) ;
} // end of namespace