//
// FormatCustomized
//
// Actions: Format the DateTime instance using the specified format.
//
private static String FormatCustomized(DateTime dateTime, String format, DateTimeFormatInfo dtfi, TimeSpan offset) {
Calendar cal = dtfi.Calendar;
StringBuilder result = StringBuilderCache.Acquire();
// This is a flag to indicate if we are format the dates using Hebrew calendar.
bool isHebrewCalendar = (cal.ID == Calendar.CAL_HEBREW);
// This is a flag to indicate if we are formating hour/minute/second only.
bool bTimeOnly = true;
int i = 0;
int tokenLen, hour12;
while (i < format.Length) {
char ch = format[i];
int nextChar;
switch (ch) {
case 'g':
tokenLen = ParseRepeatPattern(format, i, ch);
result.Append(dtfi.GetEraName(cal.GetEra(dateTime)));
break;
case 'h':
tokenLen = ParseRepeatPattern(format, i, ch);
hour12 = dateTime.Hour % 12;
if (hour12 == 0)
{
hour12 = 12;
}
FormatDigits(result, hour12, tokenLen);
break;
case 'H':
tokenLen = ParseRepeatPattern(format, i, ch);
FormatDigits(result, dateTime.Hour, tokenLen);
break;
case 'm':
tokenLen = ParseRepeatPattern(format, i, ch);
FormatDigits(result, dateTime.Minute, tokenLen);
break;
case 's':
tokenLen = ParseRepeatPattern(format, i, ch);
FormatDigits(result, dateTime.Second, tokenLen);
break;
case 'f':
case 'F':
tokenLen = ParseRepeatPattern(format, i, ch);
if (tokenLen <= MaxSecondsFractionDigits) {
long fraction = (dateTime.Ticks % Calendar.TicksPerSecond);
fraction = fraction / (long)Math.Pow(10, 7 - tokenLen);
if (ch == 'f') {
result.Append(((int)fraction).ToString(fixedNumberFormats[tokenLen - 1], CultureInfo.InvariantCulture));
}
else {
int effectiveDigits = tokenLen;
while (effectiveDigits > 0) {
if (fraction % 10 == 0) {
fraction = fraction / 10;
effectiveDigits--;
}
else {
break;
}
}
if (effectiveDigits > 0) {
result.Append(((int)fraction).ToString(fixedNumberFormats[effectiveDigits - 1], CultureInfo.InvariantCulture));
}
else {
// No fraction to emit, so see if we should remove decimal also.
if (result.Length > 0 && result[result.Length - 1] == '.') {
result.Remove(result.Length - 1, 1);
}
}
}
} else {
throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
}
break;
case 't':
tokenLen = ParseRepeatPattern(format, i, ch);
if (tokenLen == 1)
{
if (dateTime.Hour < 12)
{
if (dtfi.AMDesignator.Length >= 1)
{
result.Append(dtfi.AMDesignator[0]);
}
}
else
{
if (dtfi.PMDesignator.Length >= 1)
{
result.Append(dtfi.PMDesignator[0]);
}
}
}
else
{
result.Append((dateTime.Hour < 12 ? dtfi.AMDesignator : dtfi.PMDesignator));
}
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)
{
int day = cal.GetDayOfMonth(dateTime);
if (isHebrewCalendar) {
// For Hebrew calendar, we need to convert numbers to Hebrew text for yyyy, MM, and dd values.
HebrewFormatDigits(result, day);
} else {
FormatDigits(result, day, tokenLen);
}
}
else
{
int dayOfWeek = (int)cal.GetDayOfWeek(dateTime);
result.Append(FormatDayOfWeek(dayOfWeek, tokenLen, dtfi));
}
bTimeOnly = false;
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);
int month = cal.GetMonth(dateTime);
if (tokenLen <= 2)
{
if (isHebrewCalendar) {
// For Hebrew calendar, we need to convert numbers to Hebrew text for yyyy, MM, and dd values.
HebrewFormatDigits(result, month);
} else {
FormatDigits(result, month, tokenLen);
}
}
else {
if (isHebrewCalendar) {
result.Append(FormatHebrewMonthName(dateTime, month, tokenLen, dtfi));
} else {
if ((dtfi.FormatFlags & DateTimeFormatFlags.UseGenitiveMonth) != 0 && tokenLen >= 4) {
result.Append(
dtfi.internalGetMonthName(
month,
IsUseGenitiveForm(format, i, tokenLen, 'd')? MonthNameStyles.Genitive : MonthNameStyles.Regular,
false));
} else {
result.Append(FormatMonth(month, tokenLen, dtfi));
}
}
}
bTimeOnly = false;
break;
case 'y':
// Notes about OS behavior:
// y: Always print (year % 100). No leading zero.
// yy: Always print (year % 100) with leading zero.
// yyy/yyyy/yyyyy/... : Print year value. No leading zero.
int year = cal.GetYear(dateTime);
tokenLen = ParseRepeatPattern(format, i, ch);
if (dtfi.HasForceTwoDigitYears) {
FormatDigits(result, year, tokenLen <= 2 ? tokenLen : 2);
}
else if (cal.ID == Calendar.CAL_HEBREW) {
HebrewFormatDigits(result, year);
}
else {
if (tokenLen <= 2) {
FormatDigits(result, year % 100, tokenLen);
}
else {
String fmtPattern = "D" + tokenLen;
result.Append(year.ToString(fmtPattern, CultureInfo.InvariantCulture));
}
}
bTimeOnly = false;
break;
case 'z':
tokenLen = ParseRepeatPattern(format, i, ch);
FormatCustomizedTimeZone(dateTime, offset, format, tokenLen, bTimeOnly, result);
break;
case 'K':
tokenLen = 1;
FormatCustomizedRoundripTimeZone(dateTime, offset, result);
break;
case ':':
result.Append(dtfi.TimeSeparator);
tokenLen = 1;
break;
case '/':
result.Append(dtfi.DateSeparator);
tokenLen = 1;
break;
case '\'':
case '\"':
StringBuilder enquotedString = new StringBuilder();
tokenLen = ParseQuoteString(format, i, enquotedString);
result.Append(enquotedString);
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(dateTime, ((char)nextChar).ToString(), dtfi, offset));
tokenLen = 2;
}
else
{
//
// This means that '%' is at the end of the format string or
// "%%" appears in the format string.
//
throw new FormatException(Environment.GetResourceString("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(Environment.GetResourceString("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 StringBuilderCache.GetStringAndRelease(result);
}
//
// FormatHebrewMonthName
//
// Action: Return the Hebrew month name for the specified DateTime.
// Returns: The month name string for the specified DateTime.
// Arguments:
// time the time to format
// month The month is the value of HebrewCalendar.GetMonth(time).
// repeat Return abbreviated month name if repeat=3, or full month name if repeat=4
// dtfi The DateTimeFormatInfo which uses the Hebrew calendars as its calendar.
// Exceptions: None.
//
/* Note:
If DTFI is using Hebrew calendar, GetMonthName()/GetAbbreviatedMonthName() will return month names like this:
1 Hebrew 1st Month
2 Hebrew 2nd Month
.. ...
6 Hebrew 6th Month
7 Hebrew 6th Month II (used only in a leap year)
8 Hebrew 7th Month
9 Hebrew 8th Month
10 Hebrew 9th Month
11 Hebrew 10th Month
12 Hebrew 11th Month
13 Hebrew 12th Month
Therefore, if we are in a regular year, we have to increment the month name if moth is greater or eqaul to 7.
*/
private static String FormatHebrewMonthName(DateTime time, int month, int repeatCount, DateTimeFormatInfo dtfi)
{
Contract.Assert(repeatCount != 3 || repeatCount != 4, "repeateCount should be 3 or 4");
if (dtfi.Calendar.IsLeapYear(dtfi.Calendar.GetYear(time))) {
// This month is in a leap year
return (dtfi.internalGetMonthName(month, MonthNameStyles.LeapYear, (repeatCount == 3)));
}
// This is in a regular year.
if (month >= 7) {
month++;
}
if (repeatCount == 3) {
return (dtfi.GetAbbreviatedMonthName(month));
}
return (dtfi.GetMonthName(month));
}
private static string FormatHebrewMonthName(DateTime time, int month, int repeatCount, DateTimeFormatInfo dtfi)
{
if (dtfi.Calendar.IsLeapYear(dtfi.Calendar.GetYear(time)))
{
return dtfi.internalGetMonthName(month, MonthNameStyles.LeapYear, repeatCount == 3);
}
if (month >= 7)
{
month++;
}
if (repeatCount == 3)
{
return dtfi.GetAbbreviatedMonthName(month);
}
return dtfi.GetMonthName(month);
}
private static string FormatCustomized(DateTime dateTime, string format, DateTimeFormatInfo dtfi, TimeSpan offset)
{
int num2;
Calendar calendar = dtfi.Calendar;
StringBuilder outputBuffer = new StringBuilder();
bool flag = calendar.ID == 8;
bool timeOnly = true;
for (int i = 0; i < format.Length; i += num2)
{
int num4;
int dayOfMonth;
int num8;
int month;
int year;
char patternChar = format[i];
switch (patternChar)
{
case 'F':
case 'f':
break;
case 'H':
{
num2 = ParseRepeatPattern(format, i, patternChar);
FormatDigits(outputBuffer, dateTime.Hour, num2);
continue;
}
case ':':
{
outputBuffer.Append(dtfi.TimeSeparator);
num2 = 1;
continue;
}
case '/':
{
outputBuffer.Append(dtfi.DateSeparator);
num2 = 1;
continue;
}
case '%':
{
num4 = ParseNextChar(format, i);
if ((num4 < 0) || (num4 == 0x25))
{
throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
}
char ch3 = (char) num4;
outputBuffer.Append(FormatCustomized(dateTime, ch3.ToString(), dtfi, offset));
num2 = 2;
continue;
}
case '\'':
case '"':
{
StringBuilder result = new StringBuilder();
num2 = ParseQuoteString(format, i, result);
outputBuffer.Append(result);
continue;
}
case 'K':
{
num2 = 1;
FormatCustomizedRoundripTimeZone(dateTime, offset, outputBuffer);
continue;
}
case 'M':
num2 = ParseRepeatPattern(format, i, patternChar);
month = calendar.GetMonth(dateTime);
if (num2 > 2)
{
goto Label_03D3;
}
if (!flag)
{
goto Label_03C7;
}
HebrewFormatDigits(outputBuffer, month);
goto Label_042E;
case '\\':
{
num4 = ParseNextChar(format, i);
if (num4 < 0)
{
throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
}
outputBuffer.Append((char) num4);
num2 = 2;
continue;
}
case 'd':
num2 = ParseRepeatPattern(format, i, patternChar);
if (num2 > 2)
{
goto Label_037F;
}
dayOfMonth = calendar.GetDayOfMonth(dateTime);
if (!flag)
{
goto Label_0373;
}
HebrewFormatDigits(outputBuffer, dayOfMonth);
goto Label_0399;
case 'g':
{
num2 = ParseRepeatPattern(format, i, patternChar);
outputBuffer.Append(dtfi.GetEraName(calendar.GetEra(dateTime)));
continue;
}
case 'h':
{
num2 = ParseRepeatPattern(format, i, patternChar);
int num3 = dateTime.Hour % 12;
if (num3 == 0)
{
num3 = 12;
}
FormatDigits(outputBuffer, num3, num2);
continue;
}
case 's':
{
num2 = ParseRepeatPattern(format, i, patternChar);
FormatDigits(outputBuffer, dateTime.Second, num2);
continue;
}
case 't':
{
num2 = ParseRepeatPattern(format, i, patternChar);
if (num2 != 1)
{
goto Label_0327;
}
if (dateTime.Hour >= 12)
{
goto Label_02FE;
}
if (dtfi.AMDesignator.Length >= 1)
{
outputBuffer.Append(dtfi.AMDesignator[0]);
}
continue;
}
case 'm':
{
num2 = ParseRepeatPattern(format, i, patternChar);
FormatDigits(outputBuffer, dateTime.Minute, num2);
continue;
}
case 'y':
year = calendar.GetYear(dateTime);
num2 = ParseRepeatPattern(format, i, patternChar);
if (!dtfi.HasForceTwoDigitYears)
{
goto Label_0466;
}
FormatDigits(outputBuffer, year, (num2 <= 2) ? num2 : 2);
goto Label_04B5;
case 'z':
{
num2 = ParseRepeatPattern(format, i, patternChar);
FormatCustomizedTimeZone(dateTime, offset, format, num2, timeOnly, outputBuffer);
continue;
}
default:
goto Label_05A4;
}
num2 = ParseRepeatPattern(format, i, patternChar);
if (num2 > 7)
{
throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
}
long num5 = dateTime.Ticks % 0x989680L;
num5 /= (long) Math.Pow(10.0, (double) (7 - num2));
if (patternChar == 'f')
{
outputBuffer.Append(((int) num5).ToString(fixedNumberFormats[num2 - 1], CultureInfo.InvariantCulture));
continue;
}
int num6 = num2;
while (num6 > 0)
{
if ((num5 % 10L) != 0L)
{
break;
}
num5 /= 10L;
num6--;
}
if (num6 > 0)
{
outputBuffer.Append(((int) num5).ToString(fixedNumberFormats[num6 - 1], CultureInfo.InvariantCulture));
}
else if ((outputBuffer.Length > 0) && (outputBuffer[outputBuffer.Length - 1] == '.'))
{
outputBuffer.Remove(outputBuffer.Length - 1, 1);
}
continue;
Label_02FE:
if (dtfi.PMDesignator.Length >= 1)
{
outputBuffer.Append(dtfi.PMDesignator[0]);
}
continue;
Label_0327:
outputBuffer.Append((dateTime.Hour < 12) ? dtfi.AMDesignator : dtfi.PMDesignator);
continue;
Label_0373:
FormatDigits(outputBuffer, dayOfMonth, num2);
goto Label_0399;
Label_037F:
num8 = (int) calendar.GetDayOfWeek(dateTime);
outputBuffer.Append(FormatDayOfWeek(num8, num2, dtfi));
Label_0399:
timeOnly = false;
continue;
Label_03C7:
FormatDigits(outputBuffer, month, num2);
goto Label_042E;
Label_03D3:
if (flag)
{
outputBuffer.Append(FormatHebrewMonthName(dateTime, month, num2, dtfi));
}
else if (((dtfi.FormatFlags & DateTimeFormatFlags.UseGenitiveMonth) != DateTimeFormatFlags.None) && (num2 >= 4))
{
outputBuffer.Append(dtfi.internalGetMonthName(month, IsUseGenitiveForm(format, i, num2, 'd') ? MonthNameStyles.Genitive : MonthNameStyles.Regular, false));
}
else
{
outputBuffer.Append(FormatMonth(month, num2, dtfi));
}
Label_042E:
timeOnly = false;
continue;
Label_0466:
if (calendar.ID == 8)
{
HebrewFormatDigits(outputBuffer, year);
}
else if (num2 <= 2)
{
FormatDigits(outputBuffer, year % 100, num2);
}
else
{
string str = "D" + num2;
outputBuffer.Append(year.ToString(str, CultureInfo.InvariantCulture));
}
Label_04B5:
timeOnly = false;
continue;
Label_05A4:
outputBuffer.Append(patternChar);
num2 = 1;
}
return outputBuffer.ToString();
}
private static string FormatCustomized(DateTime dateTime, string format, DateTimeFormatInfo dtfi, TimeSpan offset)
{
Calendar calendar = dtfi.Calendar;
StringBuilder stringBuilder = new StringBuilder();
bool flag = calendar.ID == 8;
bool timeOnly = true;
int i = 0;
while (i < format.Length)
{
char c = format[i];
char c2 = c;
int num2;
if (c2 <= 'H')
{
if (c2 <= '\'')
{
if (c2 != '"')
{
switch (c2)
{
case '%':
{
int num = DateTimeFormat.ParseNextChar(format, i);
if (num >= 0 && num != 37)
{
stringBuilder.Append(DateTimeFormat.FormatCustomized(dateTime, ((char)num).ToString(), dtfi, offset));
num2 = 2;
goto IL_5B0;
}
throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
}
case '&':
{
goto IL_5A4;
}
case '\'':
{
break;
}
default:
{
goto IL_5A4;
}
}
}
StringBuilder stringBuilder2 = new StringBuilder();
num2 = DateTimeFormat.ParseQuoteString(format, i, stringBuilder2);
stringBuilder.Append(stringBuilder2);
}
else
{
if (c2 != '/')
{
if (c2 != ':')
{
switch (c2)
{
case 'F':
{
goto IL_1BA;
}
case 'G':
{
goto IL_5A4;
}
case 'H':
{
num2 = DateTimeFormat.ParseRepeatPattern(format, i, c);
DateTimeFormat.FormatDigits(stringBuilder, dateTime.Hour, num2);
break;
}
default:
{
goto IL_5A4;
}
}
}
else
{
stringBuilder.Append(dtfi.TimeSeparator);
num2 = 1;
}
}
else
{
stringBuilder.Append(dtfi.DateSeparator);
num2 = 1;
}
}
}
else
{
if (c2 <= 'h')
{
switch (c2)
{
case 'K':
{
num2 = 1;
DateTimeFormat.FormatCustomizedRoundripTimeZone(dateTime, offset, stringBuilder);
break;
}
case 'L':
{
goto IL_5A4;
}
case 'M':
{
num2 = DateTimeFormat.ParseRepeatPattern(format, i, c);
int month = calendar.GetMonth(dateTime);
if (num2 <= 2)
{
if (flag)
{
DateTimeFormat.HebrewFormatDigits(stringBuilder, month);
}
else
{
DateTimeFormat.FormatDigits(stringBuilder, month, num2);
}
}
else
{
if (flag)
{
stringBuilder.Append(DateTimeFormat.FormatHebrewMonthName(dateTime, month, num2, dtfi));
}
else
{
if ((dtfi.FormatFlags & DateTimeFormatFlags.UseGenitiveMonth) != DateTimeFormatFlags.None && num2 >= 4)
{
stringBuilder.Append(dtfi.internalGetMonthName(month, DateTimeFormat.IsUseGenitiveForm(format, i, num2, 'd') ? MonthNameStyles.Genitive : MonthNameStyles.Regular, false));
}
else
{
stringBuilder.Append(DateTimeFormat.FormatMonth(month, num2, dtfi));
}
}
}
timeOnly = false;
break;
}
default:
{
if (c2 != '\\')
{
switch (c2)
{
case 'd':
{
num2 = DateTimeFormat.ParseRepeatPattern(format, i, c);
if (num2 <= 2)
{
int dayOfMonth = calendar.GetDayOfMonth(dateTime);
if (flag)
{
DateTimeFormat.HebrewFormatDigits(stringBuilder, dayOfMonth);
}
else
{
DateTimeFormat.FormatDigits(stringBuilder, dayOfMonth, num2);
}
}
else
{
int dayOfWeek = (int)calendar.GetDayOfWeek(dateTime);
stringBuilder.Append(DateTimeFormat.FormatDayOfWeek(dayOfWeek, num2, dtfi));
}
timeOnly = false;
break;
}
case 'e':
{
goto IL_5A4;
}
case 'f':
{
goto IL_1BA;
}
case 'g':
{
num2 = DateTimeFormat.ParseRepeatPattern(format, i, c);
stringBuilder.Append(dtfi.GetEraName(calendar.GetEra(dateTime)));
break;
}
case 'h':
{
num2 = DateTimeFormat.ParseRepeatPattern(format, i, c);
int num3 = dateTime.Hour % 12;
if (num3 == 0)
{
num3 = 12;
}
DateTimeFormat.FormatDigits(stringBuilder, num3, num2);
break;
}
default:
{
goto IL_5A4;
}
}
}
else
{
int num = DateTimeFormat.ParseNextChar(format, i);
if (num < 0)
{
throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
}
stringBuilder.Append((char)num);
num2 = 2;
}
break;
}
}
}
else
{
if (c2 != 'm')
{
switch (c2)
{
case 's':
{
num2 = DateTimeFormat.ParseRepeatPattern(format, i, c);
DateTimeFormat.FormatDigits(stringBuilder, dateTime.Second, num2);
break;
}
case 't':
{
num2 = DateTimeFormat.ParseRepeatPattern(format, i, c);
if (num2 == 1)
{
if (dateTime.Hour < 12)
{
if (dtfi.AMDesignator.Length >= 1)
{
stringBuilder.Append(dtfi.AMDesignator[0]);
}
}
else
{
if (dtfi.PMDesignator.Length >= 1)
{
stringBuilder.Append(dtfi.PMDesignator[0]);
}
}
}
else
{
stringBuilder.Append((dateTime.Hour < 12) ? dtfi.AMDesignator : dtfi.PMDesignator);
}
break;
}
default:
{
switch (c2)
{
case 'y':
{
int year = calendar.GetYear(dateTime);
num2 = DateTimeFormat.ParseRepeatPattern(format, i, c);
if (dtfi.HasForceTwoDigitYears)
{
DateTimeFormat.FormatDigits(stringBuilder, year, (num2 <= 2) ? num2 : 2);
}
else
{
if (calendar.ID == 8)
{
DateTimeFormat.HebrewFormatDigits(stringBuilder, year);
}
else
{
if (num2 <= 2)
{
DateTimeFormat.FormatDigits(stringBuilder, year % 100, num2);
}
else
{
string format2 = "D" + num2;
stringBuilder.Append(year.ToString(format2, CultureInfo.InvariantCulture));
}
}
}
timeOnly = false;
break;
}
case 'z':
{
num2 = DateTimeFormat.ParseRepeatPattern(format, i, c);
DateTimeFormat.FormatCustomizedTimeZone(dateTime, offset, format, num2, timeOnly, stringBuilder);
break;
}
default:
{
goto IL_5A4;
}
}
break;
}
}
}
else
{
num2 = DateTimeFormat.ParseRepeatPattern(format, i, c);
DateTimeFormat.FormatDigits(stringBuilder, dateTime.Minute, num2);
}
}
}
IL_5B0:
i += num2;
continue;
IL_1BA:
num2 = DateTimeFormat.ParseRepeatPattern(format, i, c);
if (num2 > 7)
{
throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
}
long num4 = dateTime.Ticks % 10000000L;
num4 /= (long)Math.Pow(10.0, (double)(7 - num2));
if (c == 'f')
{
stringBuilder.Append(((int)num4).ToString(DateTimeFormat.fixedNumberFormats[num2 - 1], CultureInfo.InvariantCulture));
goto IL_5B0;
}
int num5 = num2;
while (num5 > 0 && num4 % 10L == 0L)
{
num4 /= 10L;
num5--;
}
if (num5 > 0)
{
stringBuilder.Append(((int)num4).ToString(DateTimeFormat.fixedNumberFormats[num5 - 1], CultureInfo.InvariantCulture));
goto IL_5B0;
}
if (stringBuilder.Length > 0 && stringBuilder[stringBuilder.Length - 1] == '.')
{
stringBuilder.Remove(stringBuilder.Length - 1, 1);
goto IL_5B0;
}
goto IL_5B0;
IL_5A4:
stringBuilder.Append(c);
num2 = 1;
goto IL_5B0;
}
return stringBuilder.ToString();
}
//
// FormatCustomized
//
// Actions: Format the DateTime instance using the specified format.
//
private static String FormatCustomized(DateTime dateTime, String format, DateTimeFormatInfo dtfi) {
Calendar cal = dtfi.Calendar;
StringBuilder result = new StringBuilder();
// This is a flag to indicate if we are format the dates using Hebrew calendar.
bool isHebrewCalendar = (cal.ID == Calendar.CAL_HEBREW);
// This is a flag to indicate if we are formating hour/minute/second only.
bool bTimeOnly = true;
int i = 0;
int tokenLen, hour12;
while (i < format.Length) {
char ch = format[i];
int nextChar;
switch (ch) {
case 'g':
tokenLen = ParseRepeatPattern(format, i, ch);
result.Append(dtfi.GetEraName(cal.GetEra(dateTime)));
break;
case 'h':
tokenLen = ParseRepeatPattern(format, i, ch);
hour12 = dateTime.Hour % 12;
if (hour12 == 0)
{
hour12 = 12;
}
FormatDigits(result, hour12, tokenLen);
break;
case 'H':
tokenLen = ParseRepeatPattern(format, i, ch);
FormatDigits(result, dateTime.Hour, tokenLen);
break;
case 'm':
tokenLen = ParseRepeatPattern(format, i, ch);
FormatDigits(result, dateTime.Minute, tokenLen);
break;
case 's':
tokenLen = ParseRepeatPattern(format, i, ch);
FormatDigits(result, dateTime.Second, tokenLen);
break;
case 'f':
case 'F':
tokenLen = ParseRepeatPattern(format, i, ch);
if (tokenLen <= MaxSecondsFractionDigits) {
long fraction = (dateTime.Ticks % Calendar.TicksPerSecond);
fraction = fraction / (long)Math.Pow(10, 7 - tokenLen);
if (ch == 'f') {
result.Append(((int)fraction).ToString(fixedNumberFormats[tokenLen - 1], CultureInfo.InvariantCulture));
}
else {
int effectiveDigits = tokenLen;
while (effectiveDigits > 0) {
if (fraction % 10 == 0) {
fraction = fraction / 10;
effectiveDigits--;
}
else {
break;
}
}
if (effectiveDigits > 0) {
result.Append(((int)fraction).ToString(fixedNumberFormats[effectiveDigits - 1], CultureInfo.InvariantCulture));
}
else {
// No fraction to emit, so see if we should remove decimal also.
if (result.Length > 0 && result[result.Length - 1] == '.') {
result.Remove(result.Length - 1, 1);
}
}
}
} else {
throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
}
break;
case 't':
tokenLen = ParseRepeatPattern(format, i, ch);
if (tokenLen == 1)
{
if (dateTime.Hour < 12)
{
if (dtfi.AMDesignator.Length >= 1)
{
result.Append(dtfi.AMDesignator[0]);
}
}
else
{
if (dtfi.PMDesignator.Length >= 1)
{
result.Append(dtfi.PMDesignator[0]);
}
}
}
else
{
result.Append((dateTime.Hour < 12 ? dtfi.AMDesignator : dtfi.PMDesignator));
}
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)
{
int day = cal.GetDayOfMonth(dateTime);
if (isHebrewCalendar) {
// For Hebrew calendar, we need to convert numbers to Hebrew text for yyyy, MM, and dd values.
HebrewFormatDigits(result, day);
} else {
FormatDigits(result, day, tokenLen);
}
}
else
{
int dayOfWeek = (int)cal.GetDayOfWeek(dateTime);
result.Append(FormatDayOfWeek(dayOfWeek, tokenLen, dtfi));
}
bTimeOnly = false;
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);
int month = cal.GetMonth(dateTime);
if (tokenLen <= 2)
{
if (isHebrewCalendar) {
// For Hebrew calendar, we need to convert numbers to Hebrew text for yyyy, MM, and dd values.
HebrewFormatDigits(result, month);
} else {
FormatDigits(result, month, tokenLen);
}
}
else {
if (isHebrewCalendar) {
result.Append(FormatHebrewMonthName(dateTime, month, tokenLen, dtfi));
} else {
if ((dtfi.FormatFlags & DateTimeFormatFlags.UseGenitiveMonth) != 0 && tokenLen >= 4) {
result.Append(
dtfi.internalGetMonthName(
month,
IsUseGenitiveForm(format, i, tokenLen, 'd')? MonthNameStyles.Genitive : MonthNameStyles.Regular,
false));
} else {
result.Append(FormatMonth(month, tokenLen, dtfi));
}
}
}
bTimeOnly = false;
break;
case 'y':
// Notes about OS behavior:
// y: Always print (year % 100). No leading zero.
// yy: Always print (year % 100) with leading zero.
// yyy/yyyy/yyyyy/... : Print year value. No leading zero.
int year = cal.GetYear(dateTime);
tokenLen = ParseRepeatPattern(format, i, ch);
if (dtfi.HasForceTwoDigitYears) {
FormatDigits(result, year, tokenLen <= 2 ? tokenLen : 2);
}
else if (cal.ID == Calendar.CAL_HEBREW) {
HebrewFormatDigits(result, year);
}
else {
if (tokenLen <= 2) {
FormatDigits(result, year % 100, tokenLen);
}
else {
String fmtPattern = "D" + tokenLen;
result.Append(year.ToString(fmtPattern, CultureInfo.InvariantCulture));
}
}
bTimeOnly = false;
break;
case 'z':
//
// Output the offset of the timezone according to the system timezone setting.
//
tokenLen = ParseRepeatPattern(format, i, ch);
TimeSpan offset;
if (bTimeOnly && dateTime.Ticks < Calendar.TicksPerDay) {
offset = TimeZone.CurrentTimeZone.GetUtcOffset(DateTime.Now);
} else {
if (dateTime.Kind == DateTimeKind.Utc) {
InvalidFormatForUtc(format, dateTime);
offset = TimeZone.CurrentTimeZone.GetUtcOffset(DateTime.SpecifyKind(dateTime, DateTimeKind.Local));
}
else {
offset = TimeZone.CurrentTimeZone.GetUtcOffset(dateTime);
}
}
switch (tokenLen)
{
case 1:
result.Append((offset.Hours).ToString("+0;-0", CultureInfo.InvariantCulture));
break;
case 2:
result.Append((offset.Hours).ToString("+00;-00", CultureInfo.InvariantCulture));
break;
default:
if (offset.Ticks >= 0) {
result.Append(String.Format(CultureInfo.InvariantCulture, "+{0:00}:{1:00}", offset.Hours, offset.Minutes));
} else {
// When the offset is negative, note that the offset.Minute is also negative.
// So use should use -offset.Minute to get the postive value.
result.Append(String.Format(CultureInfo.InvariantCulture, "-{0:00}:{1:00}", -offset.Hours, -offset.Minutes));
}
break;
}
break;
case 'K':
tokenLen = 1;
// The objective of this format is to round trip the Kind value and preserve the time zone
switch (dateTime.Kind) {
case DateTimeKind.Local:
// This should output the local offset, e.g. "-07:00"
TimeSpan localOffset = TimeZone.CurrentTimeZone.GetUtcOffset(dateTime);
if (localOffset.Ticks >= 0) {
result.Append(String.Format(CultureInfo.InvariantCulture, "+{0:00}:{1:00}", localOffset.Hours, localOffset.Minutes));
} else {
// When the offset is negative, note that the localOffset.Minute is also negative.
// So use should use -localOffset.Minute to get the postive value.
result.Append(String.Format(CultureInfo.InvariantCulture, "-{0:00}:{1:00}", -localOffset.Hours, -localOffset.Minutes));
}
break;
case DateTimeKind.Utc:
// The 'Z' constant is a marker for a UTC date
result.Append("Z");
break;
default:
// If the kind is unspecified, we output nothing here
break;
}
break;
case ':':
result.Append(dtfi.TimeSeparator);
tokenLen = 1;
break;
case '/':
result.Append(dtfi.DateSeparator);
tokenLen = 1;
break;
case '\'':
case '\"':
StringBuilder enquotedString = new StringBuilder();
tokenLen = ParseQuoteString(format, i, enquotedString);
result.Append(enquotedString);
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(dateTime, ((char)nextChar).ToString(), dtfi));
tokenLen = 2;
}
else
{
//
// This means that '%' is at the end of the format string or
// "%%" appears in the format string.
//
throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
}
break;
case '\\':
//
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(Environment.GetResourceString("Format_InvalidString"));
}
break;
default:
result.Append(ch);
tokenLen = 1;
break;
}
i += tokenLen;
}
return (result.ToString());
}