internal static String Format(DynamicDate dDate, string format, DynamicDateFormatInfo ddfi)
{
if (dDate.IsOutOfTime)
{
return("OutATime");
}
if (format.Length == 1)
{
format = ExpandPredefinedFormat(format, ref ddfi);
}
if (format.StartsWith("_") && format.Length < 5)
{
format = DynamicDateFormatInfo.ExpandDynamicPredefinedFormat(format, ddfi);
}
return(FormatCustomized(dDate, format, ddfi));
}
private static String FormatCustomized(DynamicDate dDate, string format, DynamicDateFormatInfo ddfi)
{
StringBuilder result = new StringBuilder();
int i = 0;
int tokenLen;
while (i < format.Length)
{
char ch = format[i];
int nextChar;
switch (ch)
{
/*case 'g':
* tokenLen = ParseRepeatPattern(format, i, ch);
* result.Append(ddfi.GetEraName(cal.GetEra(dateTime)));
* break;*/
case 'd':
//
// tokenLen == 1 : Day of month as digits with no leading zero.
// tokenLen == 2 : Day of month as digits with leading zero for single-digit months.
// tokenLen == 3 : Day of week as a three-leter abbreviation.
// tokenLen >= 4 : Day of week as its full name.
//
tokenLen = ParseRepeatPattern(format, i, ch);
if (tokenLen <= 2)
{
FormatDigits(result, dDate.DayNumber, tokenLen);
}
else
{
if (tokenLen == 3)
{
result.Append(dDate.WeekDayNameShort);
}
else
{
result.Append(dDate.WeekDayNameFull);
}
}
break;
case 'D':
//
// tokenLen == 1 : Day of month as digits with no leading zero.
// tokenLen == 2 : Day of month as digits with leading zero for single-digit months.
// tokenLen == 3 : Day of month as its short name.
// tokenLen >= 4 : Day of week as its full name.
//
tokenLen = ParseRepeatPattern(format, i, ch);
if (tokenLen <= 2)
{
FormatDigits(result, dDate.DayNumber, tokenLen);
}
else
{
if (tokenLen == 3)
{
result.Append(dDate.MonthDayNameShort);
}
else
{
result.Append(dDate.MonthDayNameFull);
}
}
break;
case 'M':
//
// tokenLen == 1 : Month as digits with no leading zero.
// tokenLen == 2 : Month as digits with leading zero for single-digit months.
// tokenLen == 3 : Month as a three-letter abbreviation.
// tokenLen >= 4 : Month as its full name.
//
tokenLen = ParseRepeatPattern(format, i, ch);
if (tokenLen <= 2)
{
FormatDigits(result, dDate.MonthNumber, tokenLen);
}
else
{
if (tokenLen == 3)
{
result.Append(dDate.MonthNameShort);
}
else
{
result.Append(dDate.MonthNameFull);
}
}
break;
case 'y':
//Info aus der DateTyme-Klasse und die letzte Zeile klingt falsch..
// Notes about OS behavior:
// y: Always print (year % 100). No leading zero.
// yy: Always print (year % 100) with leading zero.
// yyy: Always print (year % 1000) with leading zero.
// yyyy/yyyyy/... : Print year value. No leading zero.
int year = dDate.YearNumber;
tokenLen = ParseRepeatPattern(format, i, ch);
int iX = ddfi.OverrideMaxYearDigits > 0 ? Math.Min(tokenLen, ddfi.OverrideMaxYearDigits) : tokenLen;
if (iX <= 2)
{
FormatDigits(result, year % 100, iX);
}
else if (iX == 3)
{
FormatDigits(result, year % 1000, iX);
}
else
{
String fmtPattern = "D" + iX;
result.Append(year.ToString(fmtPattern, CultureInfo.InvariantCulture));
}
break;
case ':':
//result.Append(ddfi.TimeSeparator);
tokenLen = 1;
break;
case '/':
result.Append(ddfi.DateSeparator);
tokenLen = 1;
break;
/*case '|':
* tokenLen = 1;
* nextChar = ParseNextChar(format, i);
* if (nextChar == ch)
* {
* tokenLen = 2;
* result.Append(DynamicDate.FormatLBMode ? "\n" : ", ");
* } else
* result.Append(DynamicDate.FormatLBMode ? '\n' : ' ');
* break;*/
case '\'':
case '\"':
StringBuilder enquotedString = new StringBuilder();
tokenLen = ParseQuoteString(format, i, enquotedString);
result.Append(enquotedString);
break;
case '&':
enquotedString = new StringBuilder();
tokenLen = ParseQuoteString(format, i, enquotedString);
string c = "???";
switch (enquotedString.ToString())
{
case "MayaDate":
c = MayaCalc.Gregorian2Maya(dDate.UtcDate, dDate.Model.MayaCorrelation);
break;
case "MayaHaabKin":
c = MayaCalc.Gregorian2MayaHaabKin(dDate.UtcDate, dDate.Model.MayaCorrelation).ToString();
break;
case "MayaDateHaab":
c = MayaCalc.Gregorian2MayaHaab(dDate.UtcDate, dDate.Model.MayaCorrelation);
break;
case "MayaDateTzolkin":
c = MayaCalc.Gregorian2MayaTzolkin(dDate.UtcDate, dDate.Model.MayaCorrelation);
break;
}
result.Append(c);
break;
case '%':
// Optional format character.
// For example, format string "%d" will print day of month
// without leading zero. Most of the cases, "%" can be ignored.
nextChar = ParseNextChar(format, i);
// nextChar will be -1 if we already reach the end of the format string.
// Besides, we will not allow "%%" appear in the pattern.
if (nextChar >= 0 && nextChar != (int)'%')
{
result.Append(FormatCustomized(dDate, ((char)nextChar).ToString(), ddfi));
tokenLen = 2;
}
else
{
//
// This means that '%' is at the end of the format string or
// "%%" appears in the format string.
//
throw new FormatException("Format_InvalidString");
}
break;
case '\\':
// Escaped character. Can be used to insert character into the format string.
// For exmple, "\d" will insert the character 'd' into the string.
//
// NOTENOTE : we can remove this format character if we enforce the enforced quote
// character rule.
// That is, we ask everyone to use single quote or double quote to insert characters,
// then we can remove this character.
//
nextChar = ParseNextChar(format, i);
if (nextChar >= 0)
{
result.Append(((char)nextChar));
tokenLen = 2;
}
else
{
//
// This means that '\' is at the end of the formatting string.
//
throw new FormatException("Format_InvalidString");
}
break;
default:
// NOTENOTE : we can remove this rule if we enforce the enforced quote
// character rule.
// That is, if we ask everyone to use single quote or double quote to insert characters,
// then we can remove this default block.
result.Append(ch);
tokenLen = 1;
break;
}
i += tokenLen;
}
return(result.ToString());
}
internal static String Format(DynamicDate dDate, string format, IFormatProvider provider)
{
DynamicDateFormatInfo ddfi = DynamicDateFormatInfo.GetInstance(dDate.ModelID, provider);
return(Format(dDate, format, ddfi));
}
