/// <include file='doc\CultureInfo.uex' path='docs/doc[@for="CultureInfo.Clone"]/*' />
public virtual Object Clone()
{
CultureInfo ci = (CultureInfo)MemberwiseClone();
//If this is exactly our type, we can make certain optimizations so that we don't allocate NumberFormatInfo or DTFI unless
//they've already been allocated. If this is a derived type, we'll take a more generic codepath.
if (ci.GetType() == typeof(CultureInfo))
{
if (dateTimeInfo != null)
{
ci.dateTimeInfo = (DateTimeFormatInfo)dateTimeInfo.Clone();
}
if (numInfo != null)
{
ci.numInfo = (NumberFormatInfo)numInfo.Clone();
}
ci.m_isReadOnly = false;
}
else
{
ci.m_isReadOnly = false;
ci.DateTimeFormat = (DateTimeFormatInfo)this.DateTimeFormat.Clone();
ci.NumberFormat = (NumberFormatInfo)this.NumberFormat.Clone();
}
return(ci);
}
public void Clone(DateTimeFormatInfo format)
{
DateTimeFormatInfo clone = (DateTimeFormatInfo)format.Clone();
Assert.NotSame(format, clone);
Assert.False(clone.IsReadOnly);
Assert.Equal(format.AbbreviatedDayNames, clone.AbbreviatedDayNames);
Assert.Equal(format.AbbreviatedMonthGenitiveNames, clone.AbbreviatedMonthGenitiveNames);
Assert.Equal(format.AbbreviatedMonthNames, clone.AbbreviatedMonthNames);
Assert.Equal(format.DayNames, clone.DayNames);
Assert.Equal(format.MonthGenitiveNames, clone.MonthGenitiveNames);
Assert.Equal(format.MonthNames, clone.MonthNames);
Assert.Equal(format.ShortestDayNames, clone.ShortestDayNames);
Assert.Equal(format.AMDesignator, clone.AMDesignator);
Assert.Equal(format.FullDateTimePattern, clone.FullDateTimePattern);
Assert.Equal(format.LongDatePattern, clone.LongDatePattern);
Assert.Equal(format.LongTimePattern, clone.LongTimePattern);
Assert.Equal(format.MonthDayPattern, clone.MonthDayPattern);
Assert.Equal(format.PMDesignator, clone.PMDesignator);
Assert.Equal(format.RFC1123Pattern, clone.RFC1123Pattern);
Assert.Equal(format.ShortDatePattern, clone.ShortDatePattern);
Assert.Equal(format.ShortTimePattern, clone.ShortTimePattern);
Assert.Equal(format.SortableDateTimePattern, clone.SortableDateTimePattern);
Assert.Equal(format.UniversalSortableDateTimePattern, clone.UniversalSortableDateTimePattern);
Assert.Equal(format.YearMonthPattern, clone.YearMonthPattern);
Assert.Equal(format.CalendarWeekRule, clone.CalendarWeekRule);
Assert.Equal(format.FirstDayOfWeek, clone.FirstDayOfWeek);
}
public static DateTimeFormatInfo ReadOnly(DateTimeFormatInfo dtfi)
{
DateTimeFormatInfo copy = (DateTimeFormatInfo)dtfi.Clone();
copy.m_isReadOnly = true;
return(copy);
}
private void ConstructInvariant(bool read_only)
{
cultureID = InvariantCultureId;
/* NumberFormatInfo defaults to the invariant data */
numInfo = NumberFormatInfo.InvariantInfo;
/* DateTimeFormatInfo defaults to the invariant data */
dateTimeInfo = DateTimeFormatInfo.InvariantInfo;
if (!read_only)
{
numInfo = (NumberFormatInfo)numInfo.Clone();
dateTimeInfo = (DateTimeFormatInfo)dateTimeInfo.Clone();
}
textInfo = CreateTextInfo(read_only);
m_name = String.Empty;
displayname =
englishname =
nativename = "Invariant Language (Invariant Country)";
iso3lang = "IVL";
iso2lang = "iv";
icu_name = "en_US_POSIX";
win3lang = "IVL";
}
private static string ExpandPredefinedFormat(string format, ref DateTime dateTime, ref DateTimeFormatInfo dtfi, ref TimeSpan offset)
{
switch (format[0])
{
case 'o':
case 'O':
dtfi = DateTimeFormatInfo.InvariantInfo;
goto Label_0160;
case 'r':
case 'R':
if (offset != NullOffset)
{
dateTime -= offset;
}
else if (dateTime.Kind == DateTimeKind.Local)
{
InvalidFormatForLocal(format, dateTime);
}
dtfi = DateTimeFormatInfo.InvariantInfo;
goto Label_0160;
case 's':
dtfi = DateTimeFormatInfo.InvariantInfo;
goto Label_0160;
case 'u':
if (offset == NullOffset)
{
if (dateTime.Kind == DateTimeKind.Local)
{
InvalidFormatForLocal(format, dateTime);
}
break;
}
dateTime -= offset;
break;
case 'U':
if (offset != NullOffset)
{
throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
}
dtfi = (DateTimeFormatInfo) dtfi.Clone();
if (dtfi.Calendar.GetType() != typeof(GregorianCalendar))
{
dtfi.Calendar = GregorianCalendar.GetDefaultInstance();
}
dateTime = dateTime.ToUniversalTime();
goto Label_0160;
default:
goto Label_0160;
}
dtfi = DateTimeFormatInfo.InvariantInfo;
Label_0160:
format = GetRealFormat(format, dtfi);
return format;
}
// Create a read-only copy of a DateTimeFormatInfo object.
public static DateTimeFormatInfo ReadOnly(DateTimeFormatInfo dtfi)
{
if (dtfi == null)
{
throw new ArgumentNullException("dtfi");
}
else if (dtfi.IsReadOnly)
{
return(dtfi);
}
else
{
DateTimeFormatInfo newDtfi;
newDtfi = (DateTimeFormatInfo)(dtfi.Clone());
newDtfi.readOnly = true;
return(newDtfi);
}
}
// Implementation of the ICloneable interface.
public virtual Object Clone()
{
#if !ECMA_COMPAT
CultureInfo culture = (CultureInfo)(MemberwiseClone());
culture.readOnly = false;
// clone DateTimeFormat and NumberFormat if available
if (dateTimeFormat != null)
{
culture.dateTimeFormat = (DateTimeFormatInfo)dateTimeFormat.Clone();
}
if (numberFormat != null)
{
culture.numberFormat = (NumberFormatInfo)numberFormat.Clone();
}
return(culture);
#else
return(MemberwiseClone());
#endif
}
private void ConstructInvariant()
{
m_lcid = InvariantCultureId;
/* NumberFormatInfo defaults to the invariant data */
m_numInfo = NumberFormatInfo.InvariantInfo;
/* DateTimeFormatInfo defaults to the invariant data */
m_dateTimeInfo = DateTimeFormatInfo.InvariantInfo;
if (!m_isReadOnly)
{
m_numInfo = (NumberFormatInfo)m_numInfo.Clone();
m_dateTimeInfo = (DateTimeFormatInfo)m_dateTimeInfo.Clone();
}
m_textInfo = new TextInfo(this, InvariantCultureId);
m_name = "";
m_displayName = m_englishName = m_nativeName = "Invariant Language (Invariant Country)";
m_iso3lang = "IVL";
m_iso2lang = "iv";
m_icuName = "en_US_POSIX";
m_win3lang = "IVL";
}
// Expand a pre-defined format string (like "D" for long date) to the real format that
// we are going to use in the date time parsing.
// This method also set the dtfi according/parseInfo to some special pre-defined
// formats.
//
private static String ExpandPredefinedFormat(String format, ref DateTimeFormatInfo dtfi, ref ParsingInfo parseInfo, ref DateTimeResult result) {
//
// Check the format to see if we need to override the dtfi to be InvariantInfo,
// and see if we need to set up the userUniversalTime flag.
//
switch (format[0]) {
case 'o':
case 'O': // Round Trip Format
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
dtfi = DateTimeFormatInfo.InvariantInfo;
break;
case 'r':
case 'R': // RFC 1123 Standard. (in Universal time)
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
dtfi = DateTimeFormatInfo.InvariantInfo;
if ((result.flags & ParseFlags.CaptureOffset) != 0) {
result.flags |= ParseFlags.Rfc1123Pattern;
}
break;
case 's': // Sortable format (in local time)
dtfi = DateTimeFormatInfo.InvariantInfo;
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
break;
case 'u': // Universal time format in sortable format.
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
dtfi = DateTimeFormatInfo.InvariantInfo;
if ((result.flags & ParseFlags.CaptureOffset) != 0) {
result.flags |= ParseFlags.UtcSortPattern;
}
break;
case 'U': // Universal time format with culture-dependent format.
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
result.flags |= ParseFlags.TimeZoneUsed;
result.timeZoneOffset = new TimeSpan(0);
result.flags |= ParseFlags.TimeZoneUtc;
if (dtfi.Calendar.GetType() != typeof(GregorianCalendar)) {
dtfi = (DateTimeFormatInfo)dtfi.Clone();
dtfi.Calendar = GregorianCalendar.GetDefaultInstance();
}
break;
}
//
// Expand the pre-defined format character to the real format from DateTimeFormatInfo.
//
return (DateTimeFormat.GetRealFormat(format, dtfi));
}
// Expand a pre-defined format string (like "D" for long date) to the real format that
// we are going to use in the date time parsing.
// This method also set the dtfi according/parseInfo to some special pre-defined
// formats.
//
private static String ExpandPredefinedFormat(String format, ref DateTimeFormatInfo dtfi, ParsingInfo parseInfo) {
//
// Check the format to see if we need to override the dtfi to be InvariantInfo,
// and see if we need to set up the userUniversalTime flag.
//
switch (format[0]) {
case 'r':
case 'R': // RFC 1123 Standard. (in Universal time)
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
dtfi = DateTimeFormatInfo.InvariantInfo;
break;
case 's': // Sortable format (in local time)
dtfi = DateTimeFormatInfo.InvariantInfo;
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
break;
case 'u': // Universal time format in sortable format.
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
dtfi = DateTimeFormatInfo.InvariantInfo;
break;
case 'U': // Universal time format with culture-dependent format.
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
parseInfo.fUseUniversalTime = true;
if (dtfi.Calendar.GetType() != typeof(GregorianCalendar)) {
dtfi = (DateTimeFormatInfo)dtfi.Clone();
dtfi.Calendar = GregorianCalendar.GetDefaultInstance();
}
break;
}
//
// Expand the pre-defined format character to the real format from DateTimeFormatInfo.
//
return (DateTimeFormat.GetRealFormat(format, dtfi));
}
// Expand a pre-defined format string (like "D" for long date) to the real format that
// we are going to use in the date time parsing.
// This method also convert the dateTime if necessary (e.g. when the format is in Universal time),
// and change dtfi if necessary (e.g. when the format should use invariant culture).
//
private static String ExpandPredefinedFormat(String format, ref DateTime dateTime, ref DateTimeFormatInfo dtfi, ref TimeSpan offset) {
switch (format[0]) {
case 'o':
case 'O': // Round trip format
dtfi = DateTimeFormatInfo.InvariantInfo;
break;
case 'r':
case 'R': // RFC 1123 Standard
if (offset != NullOffset) {
// Convert to UTC invariants mean this will be in range
dateTime = dateTime - offset;
}
else if (dateTime.Kind == DateTimeKind.Local) {
InvalidFormatForLocal(format, dateTime);
}
dtfi = DateTimeFormatInfo.InvariantInfo;
break;
case 's': // Sortable without Time Zone Info
dtfi = DateTimeFormatInfo.InvariantInfo;
break;
case 'u': // Universal time in sortable format.
if (offset != NullOffset) {
// Convert to UTC invariants mean this will be in range
dateTime = dateTime - offset;
}
else if (dateTime.Kind == DateTimeKind.Local) {
InvalidFormatForLocal(format, dateTime);
}
dtfi = DateTimeFormatInfo.InvariantInfo;
break;
case 'U': // Universal time in culture dependent format.
if (offset != NullOffset) {
// This format is not supported by DateTimeOffset
throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
}
// Universal time is always in Greogrian calendar.
//
// Change the Calendar to be Gregorian Calendar.
//
dtfi = (DateTimeFormatInfo)dtfi.Clone();
if (dtfi.Calendar.GetType() != typeof(GregorianCalendar)) {
dtfi.Calendar = GregorianCalendar.GetDefaultInstance();
}
dateTime = dateTime.ToUniversalTime();
break;
}
format = GetRealFormat(format, dtfi);
return (format);
}
public static DateTimeFormatInfo ReadOnly(DateTimeFormatInfo dtfi)
{
DateTimeFormatInfo copy = (DateTimeFormatInfo)dtfi.Clone();
copy.m_isReadOnly = true;
return copy;
}
// Expand a pre-defined format string (like "D" for long date) to the real format that
// we are going to use in the date time parsing.
// This method also convert the dateTime if necessary (e.g. when the format is in Universal time),
// and change dtfi if necessary (e.g. when the format should use invariant culture).
//
private static String ExpandPredefinedFormat(String format, ref DateTime dateTime, ref DateTimeFormatInfo dtfi) {
switch (format[0]) {
case 'o':
case 'O': // Round trip format
dtfi = DateTimeFormatInfo.InvariantInfo;
break;
case 'r':
case 'R': // RFC 1123 Standard
if (dateTime.Kind == DateTimeKind.Local) {
InvalidFormatForLocal(format, dateTime);
}
dtfi = DateTimeFormatInfo.InvariantInfo;
break;
case 's': // Sortable without Time Zone Info
dtfi = DateTimeFormatInfo.InvariantInfo;
break;
case 'u': // Universal time in sortable format.
if (dateTime.Kind == DateTimeKind.Local) {
InvalidFormatForLocal(format, dateTime);
}
dtfi = DateTimeFormatInfo.InvariantInfo;
break;
case 'U': // Universal time in culture dependent format.
// Universal time is always in Greogrian calendar.
//
// Change the Calendar to be Gregorian Calendar.
//
dtfi = (DateTimeFormatInfo)dtfi.Clone();
if (dtfi.Calendar.GetType() != typeof(GregorianCalendar)) {
dtfi.Calendar = GregorianCalendar.GetDefaultInstance();
}
dateTime = dateTime.ToUniversalTime();
break;
}
format = GetRealFormat(format, dtfi);
return (format);
}
internal static DateTimeFormatInfo Build(DateTimeFormatInfo original) {
var persianFormats = (DateTimeFormatInfo)original.Clone();
var persianCalendarMonthNames = new[] {
"فررودین",
"اردیبهشت",
"خرداد",
"تیر",
"مرداد",
"شهریور",
"مهر",
"آبان",
"آذر",
"دی",
"بهمن",
"اسفند",
"" // 13 months names always necessary...
};
persianFormats.MonthNames =
persianFormats.AbbreviatedMonthNames =
persianFormats.MonthGenitiveNames =
persianFormats.AbbreviatedMonthGenitiveNames =
persianCalendarMonthNames;
var persianDayNames = new[] {
"یکشنبه", // Changes the Arabic "ي" and "ك" to the Farsi "ی" and "ک" respectively (incorrect in .NET Framework).
"دوشنبه",
"سه شنبه",
"چهارشنبه",
"پنجشنبه",
"جمعه",
"شنبه"
};
persianFormats.DayNames =
persianFormats.AbbreviatedDayNames =
persianDayNames;
persianFormats.SetAllDateTimePatterns(new[] {
"yyyy/MM/dd",
"yy/MM/dd",
"yyyy/M/d",
"yy/M/d"
}, 'd');
persianFormats.SetAllDateTimePatterns(new[] {
"dddd، d MMMM yyyy",
"d MMMM yyyy"
}, 'D');
persianFormats.SetAllDateTimePatterns(new[] {
"MMMM yyyy",
"MMMM yy"
}, 'y');
persianFormats.SetAllDateTimePatterns(new[] {
"HH:mm",
"H:mm",
"hh:mm tt",
"h:mm tt"
}, 't');
persianFormats.SetAllDateTimePatterns(new[] {
"HH:mm:ss",
"H:mm:ss",
"hh:mm:ss tt",
"h:mm:ss tt"
}, 'T');
return persianFormats;
}
private static string ExpandPredefinedFormat(string format, ref DateTimeFormatInfo dtfi, ref ParsingInfo parseInfo, ref DateTimeResult result)
{
char c = format[0];
if (c <= 'R')
{
if (c != 'O')
{
if (c != 'R')
{
goto IL_160;
}
goto IL_65;
}
}
else
{
if (c != 'U')
{
switch (c)
{
case 'o':
{
break;
}
case 'p':
case 'q':
case 't':
{
goto IL_160;
}
case 'r':
{
goto IL_65;
}
case 's':
{
dtfi = DateTimeFormatInfo.InvariantInfo;
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
goto IL_160;
}
case 'u':
{
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
dtfi = DateTimeFormatInfo.InvariantInfo;
if ((result.flags & ParseFlags.CaptureOffset) != (ParseFlags)0)
{
result.flags |= ParseFlags.UtcSortPattern;
goto IL_160;
}
goto IL_160;
}
default:
{
goto IL_160;
}
}
}
else
{
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
result.flags |= ParseFlags.TimeZoneUsed;
result.timeZoneOffset = new TimeSpan(0L);
result.flags |= ParseFlags.TimeZoneUtc;
if (dtfi.Calendar.GetType() != typeof(GregorianCalendar))
{
dtfi = (DateTimeFormatInfo)dtfi.Clone();
dtfi.Calendar = GregorianCalendar.GetDefaultInstance();
goto IL_160;
}
goto IL_160;
}
}
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
dtfi = DateTimeFormatInfo.InvariantInfo;
goto IL_160;
IL_65:
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
dtfi = DateTimeFormatInfo.InvariantInfo;
if ((result.flags & ParseFlags.CaptureOffset) != (ParseFlags)0)
{
result.flags |= ParseFlags.Rfc1123Pattern;
}
IL_160:
return DateTimeFormat.GetRealFormat(format, dtfi);
}
private void ConstructInvariant (bool read_only)
{
cultureID = InvariantCultureId;
/* NumberFormatInfo defaults to the invariant data */
numInfo=NumberFormatInfo.InvariantInfo;
/* DateTimeFormatInfo defaults to the invariant data */
dateTimeInfo=DateTimeFormatInfo.InvariantInfo;
if (!read_only) {
numInfo = (NumberFormatInfo) numInfo.Clone ();
dateTimeInfo = (DateTimeFormatInfo) dateTimeInfo.Clone ();
}
textInfo = CreateTextInfo (read_only);
m_name=String.Empty;
displayname=
englishname=
nativename="Invariant Language (Invariant Country)";
iso3lang="IVL";
iso2lang="iv";
icu_name="en_US_POSIX";
win3lang="IVL";
}
private static string ExpandPredefinedFormat(string format, ref DateTimeFormatInfo dtfi, ref ParsingInfo parseInfo, ref DateTimeResult result)
{
switch (format[0])
{
case 'o':
case 'O':
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
dtfi = DateTimeFormatInfo.InvariantInfo;
break;
case 'r':
case 'R':
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
dtfi = DateTimeFormatInfo.InvariantInfo;
if ((result.flags & ParseFlags.CaptureOffset) != 0)
{
result.flags |= ParseFlags.Rfc1123Pattern;
}
break;
case 's':
dtfi = DateTimeFormatInfo.InvariantInfo;
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
break;
case 'u':
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
dtfi = DateTimeFormatInfo.InvariantInfo;
if ((result.flags & ParseFlags.CaptureOffset) != 0)
{
result.flags |= ParseFlags.UtcSortPattern;
}
break;
case 'U':
parseInfo.calendar = GregorianCalendar.GetDefaultInstance();
result.flags |= ParseFlags.TimeZoneUsed;
result.timeZoneOffset = new TimeSpan(0L);
result.flags |= ParseFlags.TimeZoneUtc;
if (dtfi.Calendar.GetType() != typeof(GregorianCalendar))
{
dtfi = (DateTimeFormatInfo) dtfi.Clone();
dtfi.Calendar = GregorianCalendar.GetDefaultInstance();
}
break;
}
return DateTimeFormat.GetRealFormat(format, dtfi);
}
private static string ExpandPredefinedFormat(string format, ref DateTime dateTime, ref DateTimeFormatInfo dtfi, ref TimeSpan offset)
{
char c = format[0];
if (c <= 'R')
{
if (c != 'O')
{
if (c != 'R')
{
goto IL_160;
}
goto IL_5A;
}
}
else
{
if (c != 'U')
{
switch (c)
{
case 'o':
{
break;
}
case 'p':
case 'q':
case 't':
{
goto IL_160;
}
case 'r':
{
goto IL_5A;
}
case 's':
{
dtfi = DateTimeFormatInfo.InvariantInfo;
goto IL_160;
}
case 'u':
{
if (offset != DateTimeFormat.NullOffset)
{
dateTime -= offset;
}
else
{
if (dateTime.Kind == DateTimeKind.Local)
{
DateTimeFormat.InvalidFormatForLocal(format, dateTime);
}
}
dtfi = DateTimeFormatInfo.InvariantInfo;
goto IL_160;
}
default:
{
goto IL_160;
}
}
}
else
{
if (offset != DateTimeFormat.NullOffset)
{
throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
}
dtfi = (DateTimeFormatInfo)dtfi.Clone();
if (dtfi.Calendar.GetType() != typeof(GregorianCalendar))
{
dtfi.Calendar = GregorianCalendar.GetDefaultInstance();
}
dateTime = dateTime.ToUniversalTime();
goto IL_160;
}
}
dtfi = DateTimeFormatInfo.InvariantInfo;
goto IL_160;
IL_5A:
if (offset != DateTimeFormat.NullOffset)
{
dateTime -= offset;
}
else
{
if (dateTime.Kind == DateTimeKind.Local)
{
DateTimeFormat.InvalidFormatForLocal(format, dateTime);
}
}
dtfi = DateTimeFormatInfo.InvariantInfo;
IL_160:
format = DateTimeFormat.GetRealFormat(format, dtfi);
return format;
}
public void PosTest1()
{
DateTimeFormatInfo expected = new DateTimeFormatInfo();
VerificationHelper(expected, expected.Clone());
}
// Create a read-only copy of a DateTimeFormatInfo object.
public static DateTimeFormatInfo ReadOnly(DateTimeFormatInfo dtfi)
{
if(dtfi == null)
{
throw new ArgumentNullException("dtfi");
}
else if(dtfi.IsReadOnly)
{
return dtfi;
}
else
{
DateTimeFormatInfo newDtfi;
newDtfi = (DateTimeFormatInfo)(dtfi.Clone());
newDtfi.readOnly = true;
return newDtfi;
}
}
