/// <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));
}
/// <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 string ParsePattern(MonthCalendarDate date, string[] nativeDigits = null)
{
// replace date separator with '/'
string format = this.pattern.Replace(provider.DateSeparator, "/");
StringBuilder sb = new StringBuilder();
Calendar c = provider.Calendar;
int i = 0;
int index = 0;
while (i < format.Length)
{
int tokLen;
char ch = format[i];
string currentString;
switch (ch)
{
case 'd':
{
tokLen = CountChar(format, i, ch);
if (tokLen <= 2)
{
currentString = DateMethods.GetNumberString(date.Day, nativeDigits, tokLen == 2);
this.isDayNumber = true;
this.dayString = currentString;
this.dayPartIndex = index++;
this.dayIndex = sb.Length;
}
else
{
currentString = tokLen == 3 ? provider.GetAbbreviatedDayName(c.GetDayOfWeek(date.Date)) : provider.GetDayName(c.GetDayOfWeek(date.Date));
this.dayNameString = currentString;
}
sb.Append(currentString);
break;
}
case 'M':
{
tokLen = CountChar(format, i, ch);
if (tokLen <= 2)
{
currentString = DateMethods.GetNumberString(date.Month, nativeDigits, tokLen == 2);
this.isMonthNumber = true;
}
else
{
currentString = tokLen == 3
? provider.GetAbbreviatedMonthName(date.Year, date.Month)
: provider.GetMonthName(date.Year, date.Month);
}
this.monthPartIndex = index++;
this.monthIndex = sb.Length;
this.monthString = currentString;
sb.Append(currentString);
break;
}
case 'y':
{
tokLen = CountChar(format, i, ch);
var year = tokLen <= 2 ? date.Year % 100 : date.Year;
currentString = DateMethods.GetNumberString(year, nativeDigits, tokLen <= 2);
this.yearString = currentString;
this.yearPartIndex = index++;
this.yearIndex = sb.Length;
sb.Append(currentString);
break;
}
case 'g':
{
tokLen = CountChar(format, i, ch);
currentString = provider.GetEraName(c.GetEra(date.Date));
this.eraString = currentString;
sb.Append(currentString);
break;
}
case '/':
{
tokLen = CountChar(format, i, ch);
sb.Append(provider.DateSeparator);
break;
}
default:
{
tokLen = 1;
sb.Append(ch.ToString(CultureInfo.CurrentUICulture));
break;
}
}
i += tokLen;
}
return(sb.ToString());
}
public string ParsePattern(MonthCalendarDate date)
{
// replace date separator with '/'
string format = pattern.Replace(provider.DateSeparator, "/");
// reverse pattern if rtl culture
if (this.provider.IsRTLLanguage)
{
List <char> chars = new List <char>(format.ToCharArray());
chars.Reverse();
format = new string(chars.ToArray());
}
StringBuilder sb = new StringBuilder();
Calendar c = provider.Calendar;
int i = 0;
int index = 0;
while (i < format.Length)
{
int tokLen;
char ch = format[i];
string currentString;
switch (ch)
{
case 'd':
{
tokLen = CountChar(format, i, ch);
if (tokLen <= 2)
{
currentString = tokLen == 2 ? date.Day.ToString("##00") : date.Day.ToString();
this.isDayNumber = true;
this.dayString = currentString;
this.dayPartIndex = index++;
this.dayIndex = sb.Length;
}
else
{
currentString = tokLen == 3 ? provider.GetAbbreviatedDayName(c.GetDayOfWeek(date.Date)) : provider.GetDayName(c.GetDayOfWeek(date.Date));
this.dayNameString = currentString;
}
sb.Append(currentString);
break;
}
case 'M':
{
tokLen = CountChar(format, i, ch);
if (tokLen <= 2)
{
currentString = tokLen == 2 ? date.Month.ToString("##00") : date.Month.ToString();
this.isMonthNumber = true;
}
else
{
currentString = tokLen == 3
? provider.GetAbbreviatedMonthName(date.Year, date.Month)
: provider.GetMonthName(date.Year, date.Month);
}
this.monthPartIndex = index++;
this.monthIndex = sb.Length;
this.monthString = currentString;
sb.Append(currentString);
break;
}
case 'y':
{
tokLen = CountChar(format, i, ch);
currentString = tokLen <= 2 ? (date.Year % 100).ToString("##00") : date.Year.ToString();
this.yearString = currentString;
this.yearPartIndex = index++;
this.yearIndex = sb.Length;
sb.Append(currentString);
break;
}
case 'g':
{
tokLen = CountChar(format, i, ch);
currentString = provider.GetEraName(c.GetEra(date.Date));
this.eraString = currentString;
sb.Append(currentString);
break;
}
case '/':
{
tokLen = CountChar(format, i, ch);
sb.Append(provider.DateSeparator);
break;
}
default:
{
tokLen = 1;
sb.Append(ch.ToString());
break;
}
}
i += tokLen;
}
return(sb.ToString());
}
