processMatchFromFormat method

String processMatchFromFormat(Match m, DateTime day)

Implementation

String processMatchFromFormat(Match m, DateTime day) {
  final mm = m[0]; // First match

  if (mm != null && mm.startsWith('[') && mm.endsWith(']')) {
    return mm.substring(1, mm.length - 1);
  }

  final locale = day.getLocale();

  switch (mm) {
    case 'Y':
    case 'YY':
      final year = day.year.toString();
      return year.substring(year.length - 2, year.length);
    case 'YYY':
    case 'YYYY':
      return day.year.toString();
    case 'M':
      return day.month.toString();
    case 'MM':
      return day.month.toString().padLeft(2, '0');
    case 'MMM':
      return locale['Name'] == 'en'
          ? locale['Months'][day.month].substring(0, 3)
          : locale['MonthsShort'][day.month];
    case 'MMMM':
      return locale['Months'][day.month];
    case 'D':
      return day.day.toString();
    case 'DD':
      return day.day.toString().padLeft(2, '0');
    case 'W':
      return day.weekday.toString();
    case 'WW':
      return locale['Name'] == 'en'
          ? locale['Weekdays'][day.weekday].substring(0, 2)
          : locale['WeekdaysMin'][day.weekday];
    case 'WWW':
      return locale['Name'] == 'en'
          ? locale['Weekdays'][day.weekday].substring(0, 3)
          : locale['WeekdaysShort'][day.weekday];
    case 'WWWW':
      return locale['Weekdays'][day.weekday];
    case 'H':
      return day.hour.toString();
    case 'HH':
      return day.hour.toString().padLeft(2, '0');
    case 'h':
      return _getHourAs12(day.hour).toString();
    case 'hh':
      return _getHourAs12(day.hour).toString().padLeft(2, '0');
    case 'm':
      return day.minute.toString();
    case 'mm':
      return day.minute.toString().padLeft(2, '0');
    case 's':
      return day.second.toString();
    case 'ss':
      return day.second.toString().padLeft(2, '0');
    case 'SSS':
      return day.millisecond.toString().padLeft(3, '0');
    case 'A':
      return _toAMOrPM(day.hour, locale);
    case 'a':
      return _toAMOrPM(day.hour, locale, true);
    default:
      return day.toIso8601String();
  }
}