private static void FormatDayOfWeek(MutableString /*!*/ result, DateTime dateTime, int start)
{
DateTime firstDay = dateTime.AddDays(1 - dateTime.DayOfYear);
DateTime firstSunday = firstDay.AddDays((start - (int)firstDay.DayOfWeek) % 7);
int week = 1 + (int)Math.Floor((dateTime - firstSunday).Days / 7.0);
result.AppendFormat("{0:00}", week);
}
public static MutableString /*!*/ FormatTime(RubyContext /*!*/ context, RubyTime /*!*/ self,
[DefaultProtocol, NotNull] MutableString /*!*/ format)
{
MutableString result = MutableString.CreateMutable(format.Encoding);
bool inFormat = false;
var charEnum = format.GetCharacters();
while (charEnum.MoveNext())
{
var character = charEnum.Current;
int c = character.IsValid ? character.Value : -1;
if (!inFormat)
{
if (c == '%')
{
inFormat = true;
}
else
{
result.Append(character);
}
continue;
}
inFormat = false;
string dateTimeFormat = null;
switch (c)
{
case '%':
result.Append('%');
break;
case 'a':
dateTimeFormat = "ddd";
break;
case 'A':
dateTimeFormat = "dddd";
break;
case 'b':
dateTimeFormat = "MMM";
break;
case 'B':
dateTimeFormat = "MMMM";
break;
case 'c':
dateTimeFormat = "g";
break;
case 'd':
dateTimeFormat = "dd";
break;
case 'D':
dateTimeFormat = "MM/dd/yy";
break;
case 'e': { // Day of the month, blank-padded ( 1..31)
int day = self.DateTime.Day;
if (day < 10)
{
result.Append(' ');
}
result.Append(day.ToString(CultureInfo.InvariantCulture));
break;
}
case 'H':
dateTimeFormat = "HH";
break;
case 'I':
dateTimeFormat = "hh";
break;
case 'j':
result.AppendFormat("{0:000}", self.DateTime.DayOfYear);
break;
case 'l': {
int hour = self.DateTime.Hour;
if (hour == 0)
{
hour = 12;
}
else if (hour > 12)
{
hour -= 12;
}
if (hour < 10)
{
result.Append(' ');
}
result.Append(hour.ToString(CultureInfo.InvariantCulture));
break;
}
case 'm':
dateTimeFormat = "MM";
break;
case 'M':
dateTimeFormat = "mm";
break;
case 'p':
dateTimeFormat = "tt";
break;
case 'S':
dateTimeFormat = "ss";
break;
case 'T':
dateTimeFormat = "HH:mm:ss";
break;
case 'U':
FormatDayOfWeek(result, self.DateTime, 7);
break;
case 'W':
FormatDayOfWeek(result, self.DateTime, 8);
break;
case 'w':
result.Append(((int)self.DateTime.DayOfWeek).ToString(CultureInfo.InvariantCulture));
break;
case 'x':
dateTimeFormat = "d";
break;
case 'X':
dateTimeFormat = "t";
break;
case 'y':
dateTimeFormat = "yy";
break;
case 'Y':
dateTimeFormat = "yyyy";
break;
case 'Z':
dateTimeFormat = "%K";
break;
case 'z':
if (context.RubyOptions.Compatibility > RubyCompatibility.Ruby186)
{
result.Append(self.FormatUtcOffset());
}
else
{
result.Append(RubyTime.GetCurrentZoneName());
}
break;
default:
if (context.RubyOptions.Compatibility > RubyCompatibility.Ruby186)
{
result.Append(character);
break;
}
return(MutableString.CreateEmpty());
}
if (dateTimeFormat != null)
{
result.Append(self.ToString(dateTimeFormat, CultureInfo.InvariantCulture));
}
}
if (inFormat)
{
if (context.RubyOptions.Compatibility > RubyCompatibility.Ruby186)
{
return(result.Append('%'));
}
return(MutableString.CreateEmpty());
}
return(result);
}
