date_base.cc

有关MYSQL的开源码

#include "mysqlcppapi/datetime/date_base.h"
#if defined(__GNUC__) && __GNUC__ < 3
// hack for GCC 2.9x
# include <ostream.h>
#else
# include <ostream>
#endif
#include <iomanip>
#include <cstdlib>

namespace mysqlcppapi
{

std::ostream& date_base::out_stream (std::ostream& s) const
{
  char fill = s.fill('0');
  std::ios::fmtflags flags = s.setf(std::ios::right);
  s << std::setw(4) << year << '-' 
    << std::setw(2) << month << '-'
    << std::setw(2) << day;
  s.flags(flags);
  s.fill(fill);
  return s;
}

std::string::size_type date_base::convert (const std::string& str)
{
  std::string::size_type i = 0;
  std::stringstream buf;
  buf << str.substr(i, 4) << ' ';
  i += 4;
  if (str.at(i) == '-') ++i;
  
  buf << str.substr(i, 2) << ' ';
  i += 2;
  if (str.at(i) == '-') ++i;

  const std::string& strDay = str.substr(i, 2);
  buf << strDay;
  i += strDay.size();

  buf >> year >> month >> day;

  return i;
}

short int date_base::compare(const date_base* other) const
{
  if (short y = year - other->year)
    return y;

  if (short m = month - other->month)
    return m;

  return day - other->day;
}


} //namespace