//
// 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);
}
private static bool MatchEraName(ref __DTString str, DateTimeFormatInfo dtfi, ref int result)
{
if (str.GetNext())
{
int[] eras = dtfi.Calendar.Eras;
if (eras != null)
{
for (int i = 0; i < eras.Length; i++)
{
string text = dtfi.GetEraName(eras[i]);
if (str.MatchSpecifiedWord(text))
{
str.Index += text.Length - 1;
result = eras[i];
return true;
}
text = dtfi.GetAbbreviatedEraName(eras[i]);
if (str.MatchSpecifiedWord(text))
{
str.Index += text.Length - 1;
result = eras[i];
return true;
}
}
}
}
return false;
}
/// <summary>
/// Returns a string representation of this object.
/// </summary>
/// <param name="format">
/// The format pattern.
/// </param>
/// <param name="dtfi">
/// The <see cref="DateTimeFormatInfo"/> to use for formatting.
/// </param>
/// <param name="nameProvider">
/// The day and month name provider.
/// </param>
/// <param name="nativeDigits">
/// If not <c>null</c> and valid, uses for number representation the specified native digits.
/// </param>
/// <returns>
/// A <see cref="System.String"/> that represents this instance.
/// </returns>
private string ToString(string format, DateTimeFormatInfo dtfi, ICustomFormatProvider nameProvider, string[] nativeDigits = null)
{
if (dtfi == null)
{
dtfi = CultureInfo.CurrentUICulture.DateTimeFormat;
}
if (string.IsNullOrEmpty(format))
{
format = nameProvider != null ? nameProvider.ShortDatePattern : dtfi.ShortDatePattern;
}
else if (format.Length == 1)
{
switch (format[0])
{
case 'D':
{
format = nameProvider != null ? nameProvider.LongDatePattern : dtfi.LongDatePattern;
break;
}
case 'm':
case 'M':
{
format = nameProvider != null ? nameProvider.MonthDayPattern : dtfi.MonthDayPattern;
break;
}
case 'y':
case 'Y':
{
format = nameProvider != null ? nameProvider.YearMonthPattern : dtfi.YearMonthPattern;
break;
}
default:
{
format = nameProvider != null ? nameProvider.ShortDatePattern : dtfi.ShortDatePattern;
break;
}
}
}
format = format.Replace(nameProvider != null ? nameProvider.DateSeparator : dtfi.DateSeparator, "/");
StringBuilder sb = new StringBuilder();
Calendar c = nameProvider != null ? nameProvider.Calendar : dtfi.Calendar;
int i = 0;
while (i < format.Length)
{
int tokLen;
char ch = format[i];
switch (ch)
{
case 'd':
{
tokLen = CountChar(format, i, ch);
sb.Append(
tokLen <= 2
? DateMethods.GetNumberString(this.Day, nativeDigits, tokLen == 2)
: GetDayName(c.GetDayOfWeek(this.Date), dtfi, nameProvider, tokLen == 3));
break;
}
case 'M':
{
tokLen = CountChar(format, i, ch);
sb.Append(
tokLen <= 2
? DateMethods.GetNumberString(this.Month, nativeDigits, tokLen == 2)
: GetMonthName(this.Month, this.Year, dtfi, nameProvider, tokLen == 3));
break;
}
case 'y':
{
tokLen = CountChar(format, i, ch);
sb.Append(
tokLen <= 2
? DateMethods.GetNumberString(this.Year % 100, nativeDigits, true)
: DateMethods.GetNumberString(this.Year, nativeDigits, false));
break;
}
case 'g':
{
tokLen = CountChar(format, i, ch);
sb.Append(nameProvider != null ? nameProvider.GetEraName(c.GetEra(this.Date)) : dtfi.GetEraName(c.GetEra(this.Date)));
break;
}
case '/':
{
tokLen = CountChar(format, i, ch);
sb.Append(nameProvider != null ? nameProvider.DateSeparator : dtfi.DateSeparator);
break;
}
case '\'':
{
tokLen = 1;
break;
}
default:
{
tokLen = 1;
sb.Append(ch.ToString(CultureInfo.CurrentUICulture));
break;
}
}
i += tokLen;
}
return sb.ToString();
}
private static JObject CreateDateInfoJson(DateTimeFormatInfo di)
{
var obj = new
{
firstDay = di.FirstDayOfWeek,
days = new
{
names = di.DayNames,
namesAbbr = di.AbbreviatedDayNames,
namesShort = di.ShortestDayNames
},
months = new
{
names = di.MonthNames,
namesAbbr = di.AbbreviatedMonthNames
},
AM = di.AMDesignator,
PM = di.PMDesignator,
eras = di.Calendar.Eras.Select(era => new { offset = 0, start = (string)null, name = di.GetEraName(era) }).ToArray(),
twoDigitYearMax = di.Calendar.TwoDigitYearMax,
patterns = new
{
d = di.ShortDatePattern,
D = di.LongDatePattern,
t = di.ShortTimePattern,
T = di.LongTimePattern,
f = di.LongDatePattern + " " + di.ShortTimePattern,
F = di.LongDatePattern + " " + di.LongTimePattern,
M = di.MonthDayPattern,
Y = di.YearMonthPattern,
}
};
var jobj = JObject.FromObject(obj);
jobj["/"] = di.DateSeparator;
jobj[":"] = di.TimeSeparator;
if (!di.MonthNames.SequenceEqual(di.MonthGenitiveNames))
{
var monthsGenitive = jobj["monthsGenitive"] = new JObject();
monthsGenitive["names"] = JArray.FromObject(di.MonthGenitiveNames);
monthsGenitive["namesAbbr"] = JArray.FromObject(di.AbbreviatedMonthGenitiveNames);
}
return new JObject()
{
{"standard", jobj }
};
}
// Format a date value as a string using a particular pattern format.
public static String Format(String format, DateTime date,
DateTimeFormatInfo info)
{
// Format the date/time value.
StringBuilder builder = new StringBuilder();
int posn = 0;
char ch;
int count, value;
while(posn < format.Length)
{
// Extract the next format character plus its count.
ch = format[posn++];
count = 1;
switch(ch)
{
case 'd': case 'm': case 'M': case 'y':
case 'g': case 'h': case 'H': case 's':
case 'f': case 't': case 'z':
{
while(posn < format.Length &&
format[posn] == ch)
{
++posn;
++count;
}
}
break;
case ':':
{
builder.Append(info.TimeSeparator);
continue;
}
// Not reached.
case '/':
{
builder.Append(info.DateSeparator);
continue;
}
// Not reached.
case '%':
{
// Used to escape custom patterns that would
// otherwise look like single-letter formats.
continue;
}
// Not reached.
case '\\':
{
// Escape the next character.
if(posn < format.Length)
{
builder.Append(format[posn++]);
}
continue;
}
// Not reached.
case '\'':
{
// Quoted text.
while(posn < format.Length)
{
ch = format[posn++];
if(ch == '\'')
{
break;
}
builder.Append(ch);
}
continue;
}
// Not reached.
default:
{
// Literal character.
builder.Append(ch);
continue;
}
// Not reached.
}
// Process the format character.
switch(ch)
{
case 'd':
{
// Output the day or weekday.
if(count == 1)
{
value = date.Day;
if(value < 10)
{
builder.Append((char)('0' + value));
}
else
{
builder.Append((char)('0' + (value / 10)));
builder.Append((char)('0' + (value % 10)));
}
}
else if(count == 2)
{
value = date.Day;
builder.Append((char)('0' + (value / 10)));
builder.Append((char)('0' + (value % 10)));
}
else if(count == 3)
{
builder.Append
(info.AbbreviatedDayNames
[(int)(date.DayOfWeek)]);
}
else
{
builder.Append
(info.DayNames[(int)(date.DayOfWeek)]);
}
}
break;
case 'M':
{
// Output the month.
value = date.Month;
if(count == 1)
{
if(value < 10)
{
builder.Append((char)('0' + value));
}
else
{
builder.Append((char)('0' + (value / 10)));
builder.Append((char)('0' + (value % 10)));
}
}
else if(count == 2)
{
builder.Append((char)('0' + (value / 10)));
builder.Append((char)('0' + (value % 10)));
}
else if(count == 3)
{
builder.Append
(info.AbbreviatedMonthNames[value - 1]);
}
else
{
builder.Append(info.MonthNames[value - 1]);
}
}
break;
case 'y':
{
// Output the year.
value = date.Year;
if(count == 1)
{
value %= 100;
if(value < 10)
{
builder.Append((char)('0' + value));
}
else
{
builder.Append((char)('0' + (value / 10)));
builder.Append((char)('0' + (value % 10)));
}
}
else if(count == 2)
{
value %= 100;
builder.Append((char)('0' + (value / 10)));
builder.Append((char)('0' + (value % 10)));
}
else
{
builder.Append((char)('0' + (value / 1000)));
builder.Append
((char)('0' + ((value / 100 % 10))));
builder.Append
((char)('0' + ((value / 10 % 10))));
builder.Append((char)('0' + (value % 10)));
}
}
break;
case 'g':
{
// Output the era name.
try
{
int era = info.Calendar.GetEra(date);
builder.Append(info.GetEraName(era));
}
catch(ArgumentException)
{
// The date does not have an era.
}
}
break;
case 'h':
{
// Output the hour in 12-hour format.
value = date.Hour;
if(value == 0)
{
value = 12;
}
else if(value > 12)
{
value -= 12;
}
if(count == 1)
{
if(value < 10)
{
builder.Append((char)('0' + value));
}
else
{
builder.Append((char)('0' + (value / 10)));
builder.Append((char)('0' + (value % 10)));
}
}
else
{
builder.Append((char)('0' + (value / 10)));
builder.Append((char)('0' + (value % 10)));
}
}
break;
case 'H':
{
// Output the hour in 24-hour format.
value = date.Hour;
if(count == 1)
{
if(value < 10)
{
builder.Append((char)('0' + value));
}
else
{
builder.Append((char)('0' + (value / 10)));
builder.Append((char)('0' + (value % 10)));
}
}
else
{
builder.Append((char)('0' + (value / 10)));
builder.Append((char)('0' + (value % 10)));
}
}
break;
case 'm':
{
// Output the minute.
value = date.Minute;
if(count == 1)
{
if(value < 10)
{
builder.Append((char)('0' + value));
}
else
{
builder.Append((char)('0' + (value / 10)));
builder.Append((char)('0' + (value % 10)));
}
}
else
{
builder.Append((char)('0' + (value / 10)));
builder.Append((char)('0' + (value % 10)));
}
}
break;
case 's':
{
// Output the second.
value = date.Second;
if(count == 1)
{
if(value < 10)
{
builder.Append((char)('0' + value));
}
else
{
builder.Append((char)('0' + (value / 10)));
builder.Append((char)('0' + (value % 10)));
}
}
else
{
builder.Append((char)('0' + (value / 10)));
builder.Append((char)('0' + (value % 10)));
}
}
break;
case 'f':
{
// Output fractions of a second.
if(count > 7)
{
count = 7;
}
long frac = date.Ticks;
long divisor = TimeSpan.TicksPerSecond;
while(count > 0)
{
divisor /= 10;
value = (int)((frac / divisor) % 10);
builder.Append((char)('0' + value));
frac %= divisor;
--count;
}
}
break;
case 't':
{
value = date.Hour;
if(count == 1)
{
if(value < 12)
{
builder.Append(info.AMDesignator[0]);
}
else
{
builder.Append(info.PMDesignator[0]);
}
}
else
{
if(value < 12)
{
builder.Append(info.AMDesignator);
}
else
{
builder.Append(info.PMDesignator);
}
}
}
break;
#if !ECMA_COMPAT
case 'z':
{
long offset =
TimeZone.CurrentTimeZone
.GetUtcOffset(date).Ticks;
int hour, min;
if(offset >= 0)
{
builder.Append('+');
}
else
{
builder.Append('-');
offset = -offset;
}
hour = (int)(offset / TimeSpan.TicksPerHour);
offset %= TimeSpan.TicksPerHour;
min = (int)(offset / TimeSpan.TicksPerMinute);
if(count == 1)
{
if(hour < 10)
{
builder.Append((char)('0' + hour));
}
else
{
builder.Append((char)('0' + (hour / 10)));
builder.Append((char)('0' + (hour % 10)));
}
}
else if(count == 2)
{
builder.Append((char)('0' + (hour / 10)));
builder.Append((char)('0' + (hour % 10)));
}
else
{
builder.Append((char)('0' + (hour / 10)));
builder.Append((char)('0' + (hour % 10)));
builder.Append(':');
builder.Append((char)('0' + (min / 10)));
builder.Append((char)('0' + (min % 10)));
}
}
break;
#endif
}
}
// Return the formatted string to the caller.
return builder.ToString();
}
private ClientCultureInfo(CultureInfo cultureInfo) {
name = cultureInfo.Name;
numberFormat = cultureInfo.NumberFormat;
dateTimeFormat = cultureInfo.DateTimeFormat;
var calendar = dateTimeFormat == null ? null : dateTimeFormat.Calendar;
if (calendar != null) {
// Dev10 425049: Support Eras for gregorian based calendars
// with a simple year offset, and non-gregorian calendars.
// Era data is stored in binary resource "culture.nlp" in mscorlib,
// hard coded here for simplicity.
// era array has the following structure:
// [eraNumber1, eraName1, eraStartInTicks1, eraGregorianYearOffset1, eraNumber2, ...]
eras = new object[calendar.Eras.Length * 4];
int i = 0;
foreach (int era in calendar.Eras) {
// era number
eras[i + eraNumber] = era;
// era name
eras[i + eraName] = dateTimeFormat.GetEraName(era);
// calendars with only one era will have a null tick count
// signifying that the era starts from the lowest datetime
// era begining in ticks (null = the oldest era)
// eras[i + eraStart] = null;
// era year offset from normal gregorian year
// some calendars dont have an offset, just a different name
// for the A.D. era (B.C. is not supported by normal calendar,
// so most calendars only have 1 era)
eras[i + eraYearOffset] = 0;
i += 4;
}
var calendarType = calendar.GetType();
if (calendarType != typeof(GregorianCalendar)) {
if (calendarType == typeof(TaiwanCalendar)) {
// Only the current era is supported, so no tick count is needed
//eras[eraStart] = -1830384000000;
eras[eraYearOffset] = 1911;
}
else if (calendarType == typeof(KoreanCalendar)) {
// only one era to speak of, so no tick count is needed
//eras[eraStart] = -62135596800000;
eras[eraYearOffset] = -2333;
}
else if (calendarType == typeof(ThaiBuddhistCalendar)) {
// only one era to speak of, so no tick count is needed
//eras[eraStart] = -62135596800000;
eras[eraYearOffset] = -543;
}
else if (calendarType == typeof(JapaneseCalendar)) {
// there are multiple eras
eras[0 + eraStart] = 60022080000;
eras[0 + eraYearOffset] = 1988;
eras[4 + eraStart] = -1357603200000;
eras[4 + eraYearOffset] = 1925;
eras[8 + eraStart] = -1812153600000;
eras[8 + eraYearOffset] = 1911;
// oldest era is technically from this offset, but for simplicity
// it is counted from the lowest date time, so no tick count needed.
//eras[12 + eraStart] = -3218832000000;
eras[12 + eraYearOffset] = 1867;
}
else if (calendarType == typeof(HijriCalendar)) {
_convertScript = "Date.HijriCalendar.js";
_adjustment = ((HijriCalendar)calendar).HijriAdjustment;
}
else if (calendarType == typeof(UmAlQuraCalendar)) {
_convertScript = "Date.UmAlQuraCalendar.js";
}
// else { other calendars arent supported or have no era offsets just different names for A.D.
}
}
}
private void VerificationHelper(DateTimeFormatInfo info, int era, string expected)
{
string actual = info.GetEraName(era);
Assert.Equal(expected, actual);
}
public static string ToString (DateTime dt, TimeSpan? utc_offset, string format, DateTimeFormatInfo dfi)
{
// the length of the format is usually a good guess of the number
// of chars in the result. Might save us a few bytes sometimes
// Add + 10 for cases like mmmm dddd
StringBuilder result = new StringBuilder (format.Length + 10);
// For some cases, the output should not use culture dependent calendar
DateTimeFormatInfo inv = DateTimeFormatInfo.InvariantInfo;
if (format == inv.RFC1123Pattern)
dfi = inv;
else if (format == inv.UniversalSortableDateTimePattern)
dfi = inv;
int i = 0;
while (i < format.Length) {
int tokLen;
bool omitZeros = false;
char ch = format [i];
switch (ch) {
//
// Time Formats
//
case 'h':
// hour, [1, 12]
tokLen = DateTimeUtils.CountRepeat (format, i, ch);
int hr = dt.Hour % 12;
if (hr == 0)
hr = 12;
DateTimeUtils.ZeroPad (result, hr, tokLen == 1 ? 1 : 2);
break;
case 'H':
// hour, [0, 23]
tokLen = DateTimeUtils.CountRepeat (format, i, ch);
DateTimeUtils.ZeroPad (result, dt.Hour, tokLen == 1 ? 1 : 2);
break;
case 'm':
// minute, [0, 59]
tokLen = DateTimeUtils.CountRepeat (format, i, ch);
DateTimeUtils.ZeroPad (result, dt.Minute, tokLen == 1 ? 1 : 2);
break;
case 's':
// second [0, 29]
tokLen = DateTimeUtils.CountRepeat (format, i, ch);
DateTimeUtils.ZeroPad (result, dt.Second, tokLen == 1 ? 1 : 2);
break;
case 'F':
omitZeros = true;
goto case 'f';
case 'f':
// fraction of second, to same number of
// digits as there are f's
tokLen = DateTimeUtils.CountRepeat (format, i, ch);
if (tokLen > 7)
throw new FormatException ("Invalid Format String");
int dec = (int)((long)(dt.Ticks % TimeSpan.TicksPerSecond) / (long) Math.Pow (10, 7 - tokLen));
int startLen = result.Length;
DateTimeUtils.ZeroPad (result, dec, tokLen);
if (omitZeros) {
while (result.Length > startLen && result [result.Length - 1] == '0')
result.Length--;
// when the value was 0, then trim even preceding '.' (!) It is fixed character.
if (dec == 0 && startLen > 0 && result [startLen - 1] == '.')
result.Length--;
}
break;
case 't':
// AM/PM. t == first char, tt+ == full
tokLen = DateTimeUtils.CountRepeat (format, i, ch);
string desig = dt.Hour < 12 ? dfi.AMDesignator : dfi.PMDesignator;
if (tokLen == 1) {
if (desig.Length >= 1)
result.Append (desig [0]);
}
else
result.Append (desig);
break;
case 'z':
// timezone. t = +/-h; tt = +/-hh; ttt+=+/-hh:mm
tokLen = DateTimeUtils.CountRepeat (format, i, ch);
TimeSpan offset =
utc_offset ??
TimeZone.CurrentTimeZone.GetUtcOffset (dt);
if (offset.Ticks >= 0)
result.Append ('+');
else
result.Append ('-');
switch (tokLen) {
case 1:
result.Append (Math.Abs (offset.Hours));
break;
case 2:
result.Append (Math.Abs (offset.Hours).ToString ("00"));
break;
default:
result.Append (Math.Abs (offset.Hours).ToString ("00"));
result.Append (':');
result.Append (Math.Abs (offset.Minutes).ToString ("00"));
break;
}
break;
case 'K': // 'Z' (UTC) or zzz (Local)
tokLen = 1;
if (utc_offset != null || dt.Kind == DateTimeKind.Local) {
offset = utc_offset ?? TimeZone.CurrentTimeZone.GetUtcOffset (dt);
if (offset.Ticks >= 0)
result.Append ('+');
else
result.Append ('-');
result.Append (Math.Abs (offset.Hours).ToString ("00"));
result.Append (':');
result.Append (Math.Abs (offset.Minutes).ToString ("00"));
} else if (dt.Kind == DateTimeKind.Utc)
result.Append ('Z');
break;
//
// Date tokens
//
case 'd':
// day. d(d?) = day of month (leading 0 if two d's)
// ddd = three leter day of week
// dddd+ full day-of-week
tokLen = DateTimeUtils.CountRepeat (format, i, ch);
if (tokLen <= 2)
DateTimeUtils.ZeroPad (result, dfi.Calendar.GetDayOfMonth (dt), tokLen == 1 ? 1 : 2);
else if (tokLen == 3)
result.Append (dfi.GetAbbreviatedDayName (dfi.Calendar.GetDayOfWeek (dt)));
else
result.Append (dfi.GetDayName (dfi.Calendar.GetDayOfWeek (dt)));
break;
case 'M':
// Month.m(m?) = month # (with leading 0 if two mm)
// mmm = 3 letter name
// mmmm+ = full name
tokLen = DateTimeUtils.CountRepeat (format, i, ch);
int month = dfi.Calendar.GetMonth(dt);
if (tokLen <= 2)
DateTimeUtils.ZeroPad (result, month, tokLen);
else if (tokLen == 3)
result.Append (dfi.GetAbbreviatedMonthName (month));
else
result.Append (dfi.GetMonthName (month));
break;
case 'y':
// Year. y(y?) = two digit year, with leading 0 if yy
// yyy+ full year with leading zeros if needed.
tokLen = DateTimeUtils.CountRepeat (format, i, ch);
if (tokLen <= 2)
DateTimeUtils.ZeroPad (result, dfi.Calendar.GetYear (dt) % 100, tokLen);
else
DateTimeUtils.ZeroPad (result, dfi.Calendar.GetYear (dt), tokLen);
break;
case 'g':
// Era name
tokLen = DateTimeUtils.CountRepeat (format, i, ch);
result.Append (dfi.GetEraName (dfi.Calendar.GetEra (dt)));
break;
//
// Other
//
case ':':
result.Append (dfi.TimeSeparator);
tokLen = 1;
break;
case '/':
result.Append (dfi.DateSeparator);
tokLen = 1;
break;
case '\'': case '"':
tokLen = DateTimeUtils.ParseQuotedString (format, i, result);
break;
case '%':
if (i >= format.Length - 1)
throw new FormatException ("% at end of date time string");
if (format [i + 1] == '%')
throw new FormatException ("%% in date string");
// Look for the next char
tokLen = 1;
break;
case '\\':
// C-Style escape
if (i >= format.Length - 1)
throw new FormatException ("\\ at end of date time string");
result.Append (format [i + 1]);
tokLen = 2;
break;
default:
// catch all
result.Append (ch);
tokLen = 1;
break;
}
i += tokLen;
}
return result.ToString ();
}
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();
}
public void GetEraName(DateTimeFormatInfo format, int era, string expected)
{
Assert.Equal(expected, format.GetEraName(era));
}
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();
}
// Parse an era name.
private static int ParseEra(String s, ref int posn,
Calendar calendar, DateTimeFormatInfo info)
{
// Get the list of eras from the calendar.
int[] eras = calendar.Eras;
// Convert the eras into era names.
String[] eraNames = new String [eras.Length];
int index;
for(index = 0; index < eras.Length; ++index)
{
eraNames[index] = info.GetEraName(eras[index]);
}
// Parse the era value using the strings we just got.
return ParseOneOf(s, ref posn, eraNames);
}
//
// 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());
}
/*=================================MatchEraName==================================
**Action: Parse era name from string starting at str.Index.
**Returns: An era value.
**Arguments: str: a __DTString. The parsing will start from the
** next character after str.Index.
**Exceptions: FormatException if an era name can not be found.
==============================================================================*/
private static bool MatchEraName(__DTString str, DateTimeFormatInfo dtfi, bool isThrowExp, ref int result) {
if (str.GetNext()) {
int[] eras = dtfi.Calendar.Eras;
if (eras != null) {
for (int i = 0; i <= eras.Length; i++) {
String searchStr = dtfi.GetEraName(eras[i]);
if (str.MatchSpecifiedWord(searchStr)) {
str.Index += (searchStr.Length - 1);
result = eras[i];
return (true);
}
searchStr = dtfi.GetAbbreviatedEraName(eras[i]);
if (str.MatchSpecifiedWord(searchStr)) {
str.Index += (searchStr.Length - 1);
result = eras[i];
return (true);
}
}
}
}
return (ParseFormatError(isThrowExp, "Format_BadDateTime"));
}
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':
tokenLen = ParseRepeatPattern(format, i, ch);
if (tokenLen <= MaxSecondsFractionDigits) {
long fraction = (dateTime.Ticks % Calendar.TicksPerSecond);
fraction = fraction / (long)Math.Pow(10, 7 - tokenLen);
result.Append(((int)fraction).ToString((new String('0', tokenLen))));
} 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 {
result.Append(FormatMonth(month, tokenLen, dtfi));
}
}
bTimeOnly = false;
break;
case 'y':
int year = cal.GetYear(dateTime);
tokenLen = ParseRepeatPattern(format, i, ch);
switch (cal.ID) {
// Add a special case for Japanese.
// For Japanese calendar, always use two digit (with leading 0)
case (Calendar.CAL_JAPAN):
FormatDigits(result, year, 2);
break;
case (Calendar.CAL_HEBREW):
HebrewFormatDigits(result, year);
break;
default:
if (tokenLen <= 2) {
FormatDigits(result, year % 100, tokenLen);
} else {
String fmtPattern = "D" + tokenLen;
result.Append(year.ToString(fmtPattern));
}
break;
}
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 {
offset = TimeZone.CurrentTimeZone.GetUtcOffset(dateTime);
}
switch (tokenLen)
{
case 1:
result.Append((offset.Hours).ToString("+0;-0"));
break;
case 2:
result.Append((offset.Hours).ToString("+00;-00"));
break;
default:
if (offset.Hours > 0) {
result.Append(String.Format("+{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("-{0:00}:{1:00}", -offset.Hours, -offset.Minutes));
}
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 '\\':
// 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 (result.ToString());
}
