| public GetDayName ( DayOfWeek dayofweek ) : string | ||
| dayofweek | DayOfWeek | A System.DayOfWeek value. |
| return | string | |
public static String DateTimeAFechaCortaConDiaMesTexto(DateTime fecha)
{
System.Globalization.DateTimeFormatInfo mfi = Thread.CurrentThread.CurrentUICulture.DateTimeFormat;
string DiaSemana = mfi.GetDayName(fecha.DayOfWeek);
string Mes = mfi.GetAbbreviatedMonthName(fecha.Month).Replace(".", "");
String fechaSt = DiaSemana.Substring(0, 3) + "," + IntANDigitos(fecha.Day, 2) + @"" + Mes + @"'" + fecha.Year.ToString().Substring(2, 2);
return(fechaSt);
}
private void VerificationHelper(DateTimeFormatInfo info, string[] expected)
{
DayOfWeek[] values = new DayOfWeek[] {
DayOfWeek.Sunday,
DayOfWeek.Monday,
DayOfWeek.Tuesday,
DayOfWeek.Wednesday,
DayOfWeek.Thursday,
DayOfWeek.Friday,
DayOfWeek.Saturday
};
for (int i = 0; i < values.Length; ++i)
{
string actual = info.GetDayName(values[i]);
Assert.Equal(expected[i], actual);
}
}
private static bool MatchDayName(ref __DTString str, DateTimeFormatInfo dtfi, ref int result)
{
int num = 0;
result = -1;
if (str.GetNext())
{
for (DayOfWeek dayOfWeek = DayOfWeek.Sunday; dayOfWeek <= DayOfWeek.Saturday; dayOfWeek += DayOfWeek.Monday)
{
string dayName = dtfi.GetDayName(dayOfWeek);
int length = dayName.Length;
if ((dtfi.HasSpacesInDayNames ? str.MatchSpecifiedWords(dayName, false, ref length) : str.MatchSpecifiedWord(dayName)) && length > num)
{
num = length;
result = (int)dayOfWeek;
}
}
}
if (result >= 0)
{
str.Index += num - 1;
return true;
}
return false;
}
/*=================================MatchDayName==================================
**Action: Parse the day of week name from string starting at str.Index.
**Returns: A value from 0 to 6 indicating Sunday to Saturday.
**Arguments: str: a __DTString. The parsing will start from the
** next character after str.Index.
**Exceptions: FormatException if a day of week name can not be found.
==============================================================================*/
private static bool MatchDayName(ref __DTString str, DateTimeFormatInfo dtfi, ref int result) {
// Turkish (tr-TR) got day names with the same prefix.
int maxMatchStrLen = 0;
result = -1;
if (str.GetNext()) {
for (DayOfWeek i = DayOfWeek.Sunday; i <= DayOfWeek.Saturday; i++) {
String searchStr = dtfi.GetDayName(i);
int matchStrLen = searchStr.Length;
if ( dtfi.HasSpacesInDayNames
? str.MatchSpecifiedWords(searchStr, false, ref matchStrLen)
: str.MatchSpecifiedWord(searchStr)) {
if (matchStrLen > maxMatchStrLen) {
maxMatchStrLen = matchStrLen;
result = (int)i;
}
}
}
}
if (result >= 0) {
str.Index += maxMatchStrLen - 1;
return (true);
}
return false;
}
private static String FormatDayOfWeek(int dayOfWeek, int repeat, DateTimeFormatInfo dtfi)
{
Contract.Assert(dayOfWeek >= 0 && dayOfWeek <= 6, "dayOfWeek >= 0 && dayOfWeek <= 6");
if (repeat == 3)
{
return (dtfi.GetAbbreviatedDayName((DayOfWeek)dayOfWeek));
}
// Call dtfi.GetDayName() here, instead of accessing DayNames property, because we don't
// want a clone of DayNames, which will hurt perf.
return (dtfi.GetDayName((DayOfWeek)dayOfWeek));
}
/// <summary>
/// Gets the abbreviated or full day name for the specified <see cref="DayOfWeek"/> value using, if not null, the <paramref name="nameProvider"/> or
/// the <see cref="DateTimeFormatInfo"/> specified by <paramref name="info"/>.
/// </summary>
/// <param name="dayofweek">
/// The <see cref="DayOfWeek"/> value to get the day name for.
/// </param>
/// <param name="info">
/// The <see cref="DateTimeFormatInfo"/> to get the name.
/// </param>
/// <param name="nameProvider">
/// The <see cref="ICustomFormatProvider"/> to get the name. This parameter has precedence before the
/// <paramref name="info"/>. Can be <c>null</c>.
/// </param>
/// <param name="abbreviated">
/// true to get the abbreviated day name; false otherwise.
/// </param>
/// <returns>
/// The full or abbreviated day name specified by <paramref name="dayofweek"/> value.
/// </returns>
private static string GetDayName(DayOfWeek dayofweek, DateTimeFormatInfo info, ICustomFormatProvider nameProvider, bool abbreviated)
{
if (nameProvider != null)
{
return abbreviated ? nameProvider.GetAbbreviatedDayName(dayofweek) : nameProvider.GetDayName(dayofweek);
}
return abbreviated ? info.GetAbbreviatedDayName(dayofweek) : info.GetDayName(dayofweek);
}
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 FormatDayOfWeek(int dayOfWeek, int repeat, DateTimeFormatInfo dtfi)
{
if (repeat == 3)
{
return dtfi.GetAbbreviatedDayName((DayOfWeek) dayOfWeek);
}
return dtfi.GetDayName((DayOfWeek) dayOfWeek);
}
//
// Check the word at the current index to see if it matches a day of week name.
// Return -1 if a match is not found. Otherwise, a value from 0 to 6 is returned.
//
private static int GetDayOfWeekNumber(__DTString str, DateTimeFormatInfo dtfi) {
//
// Check the month name specified in dtfi.
//
DayOfWeek i;
int maxLen = 0;
int result = -1;
//
// We have to match the day name with the longest length,
// since there are cultures which have more than one day of week names
// with the same prefix.
//
int endIndex = str.FindEndOfCurrentWord();
String dayName=null;
for (i = DayOfWeek.Sunday; i <= DayOfWeek.Saturday; i++) {
dayName = dtfi.GetDayName(i);
if (str.MatchSpecifiedWord(dayName, endIndex)) {
if (dayName.Length > maxLen) {
result = (int)i;
maxLen = dayName.Length;
}
}
}
if (result > -1) {
str.Index = endIndex;
return (result);
}
for (i = DayOfWeek.Sunday; i <= DayOfWeek.Saturday; i++)
{
if (MatchWord(str, dtfi.GetAbbreviatedDayName(i), false))
{
return ((int)i);
}
}
//
// Check the month name in the invariant culture.
//
for (i = DayOfWeek.Sunday; i <= DayOfWeek.Saturday; i++)
{
if (MatchWord(str, invariantInfo.GetDayName(i), false))
{
return ((int)i);
}
}
for (i = DayOfWeek.Sunday; i <= DayOfWeek.Saturday; i++)
{
if (MatchWord(str, invariantInfo.GetAbbreviatedDayName(i), false))
{
return ((int)i);
}
}
return (-1);
}
/*=================================MatchDayName==================================
**Action: Parse the day of week name from string starting at str.Index.
**Returns: A value from 0 to 6 indicating Sunday to Saturday.
**Arguments: str: a __DTString. The parsing will start from the
** next character after str.Index.
**Exceptions: FormatException if a day of week name can not be found.
==============================================================================*/
private static bool MatchDayName(__DTString str, DateTimeFormatInfo dtfi, bool isThrowExp, ref int result) {
// Turkish (tr-TR) got day names with the same prefix.
int maxMatchStrLen = 0;
result = -1;
if (str.GetNext()) {
for (DayOfWeek i = DayOfWeek.Sunday; i <= DayOfWeek.Saturday; i++) {
String searchStr = dtfi.GetDayName(i);
if (str.MatchSpecifiedWord(searchStr)) {
int matchStrLen = (searchStr.Length - 1);
if (matchStrLen > maxMatchStrLen) {
maxMatchStrLen = matchStrLen;
result = (int)i;
}
}
}
}
if (result >= 0) {
str.Index += maxMatchStrLen;
return (true);
}
return (ParseFormatError(isThrowExp, "Format_BadDateTime"));
}
