public string ToString(string format, IFormatProvider provider)
{
var dtfi = DateTimeFormatInfo.GetInstance(provider);
return(DateTimeExFormat.FormatCustomized(this, format, dtfi));
}
public static DateTimeEx ParseCustomized(string value, string format, DateTimeFormatInfo dtfi)
{
var lexer = new DateTimeLexer(value);
DateTimeEx res = new DateTimeEx();
int num2;
bool isbc = false;
for (int i = 0; i < format.Length; i += num2)
{
char patternChar = format[i];
switch (patternChar)
{
case 'F':
case 'f':
{
num2 = DateTimeExFormat.ParseRepeatPattern(format, i, patternChar);
if (num2 > 7)
{
throw new FormatException("DAE-00221 Bad format");
}
int parsed = lexer.ReadNumber(num2);
res.Nanosecond = (int)Math.Pow(10.0, (double)(7 - num2)) * 100 * parsed;
break;
}
case 'H':
{
num2 = DateTimeExFormat.ParseRepeatPattern(format, i, patternChar);
res.Hour = lexer.ReadNumber(num2);
break;
}
case ':':
{
lexer.Skip(dtfi.TimeSeparator);
num2 = 1;
break;
}
case '/':
{
lexer.Skip(dtfi.DateSeparator);
num2 = 1;
break;
}
case '\'':
case '"':
{
StringBuilder result = new StringBuilder();
num2 = DateTimeExFormat.ParseQuoteString(format, i, result);
lexer.Skip(result.ToString());
break;
}
case 'M':
{
num2 = DateTimeExFormat.ParseRepeatPattern(format, i, patternChar);
res.Month = lexer.ReadNumber(num2);
break;
}
case '\\':
{
int ch = DateTimeExFormat.ParseNextChar(format, i);
if (ch < 0)
{
throw new FormatException("DAE-00222 Invalid format");
}
lexer.Skip((char)ch);
num2 = 2;
break;
}
case 'd':
{
num2 = DateTimeExFormat.ParseRepeatPattern(format, i, patternChar);
res.Day = lexer.ReadNumber(num2);
break;
}
case 'g':
{
num2 = DateTimeExFormat.ParseRepeatPattern(format, i, patternChar);
if (lexer.Skip("A.D"))
{
}
else if (lexer.Skip("B.C"))
{
isbc = true;
}
break;
}
case 'h':
{
num2 = DateTimeExFormat.ParseRepeatPattern(format, i, patternChar);
res.Hour = lexer.ReadNumber(num2);
break;
}
case 's':
{
num2 = DateTimeExFormat.ParseRepeatPattern(format, i, patternChar);
res.Second = lexer.ReadNumber(num2);
break;
}
case 'm':
{
num2 = DateTimeExFormat.ParseRepeatPattern(format, i, patternChar);
res.Minute = lexer.ReadNumber(num2);
break;
}
case 'y':
{
num2 = DateTimeExFormat.ParseRepeatPattern(format, i, patternChar);
if (num2 == 2)
{
int num3 = lexer.ReadNumber(2);
if (num3 < 69)
{
res.Year = 2000 + num3;
}
else
{
res.Year = 1900 + num3;
}
}
if (num2 == 3)
{
int num3 = lexer.ReadNumber(2);
if (num3 < 500)
{
res.Year = 2000 + num3;
}
else
{
res.Year = 1000 + num3;
}
}
if (num2 >= 4)
{
res.Year = lexer.ReadNumber(num2);
}
break;
}
default:
{
lexer.Skip(patternChar);
num2 = 1;
break;
}
}
}
if (isbc)
{
res.Year = -res.Year;
}
return(res);
}