/// <summary>
/// Overridden. Gives the number of the year of the specified
/// date.
/// </summary>
/// <param name="time">The
/// <see cref="T:System.DateTime"/> that specifies a
/// date.
/// </param>
/// <returns>An integer representing the year,
/// starting with 1.</returns>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// The exception is thrown if the
/// <see cref="T:System.DateTime"/> parameter is not in the
/// supported range of the Hijri calendar.
/// </exception>
public override int GetYear(DateTime time)
{
int rd = M_FromDateTime(time);
M_CheckFixedHijri("time", rd);
return(CCHijriCalendar.year_from_fixed(rd));
}
internal void M_CheckFixedHijri(string param, int rdHijri)
{
if (rdHijri < UmAlQuraCalendar.M_MinFixed || rdHijri > UmAlQuraCalendar.M_MaxFixed - this.AddHijriDate)
{
StringWriter stringWriter = new StringWriter();
int num;
int num2;
int num3;
CCHijriCalendar.dmy_from_fixed(out num, out num2, out num3, UmAlQuraCalendar.M_MaxFixed - this.AddHijriDate);
if (this.AddHijriDate != 0)
{
stringWriter.Write("This HijriCalendar (AddHijriDate {0}) allows dates from 1. 1. 1 to {1}. {2}. {3}.", new object[]
{
this.AddHijriDate,
num,
num2,
num3
});
}
else
{
stringWriter.Write("HijriCalendar allows dates from 1.1.1 to {0}.{1}.{2}.", num, num2, num3);
}
throw new ArgumentOutOfRangeException(param, stringWriter.ToString());
}
}
/// <summary>
/// A protected method checking an
/// <see cref="F:AddHijriDate"/> adjusted fixed day number.
/// </summary>
/// <param name="param">A string giving the name of the parameter
/// to check.</param>
/// <param name="rdHijri">An integer giving the AddHijriDate adjusted
/// fixed day number.
/// </param>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// Exception is thrown, if the AddHijriDate adjusted fixed day
/// number is outside the supported range.
/// </exception>
internal void M_CheckFixedHijri(string param, int rdHijri)
{
if (rdHijri < M_MinFixed || rdHijri > M_MaxFixed - AddHijriDate)
{
StringWriter sw = new StringWriter();
int day, month, year;
CCHijriCalendar.dmy_from_fixed(out day, out month,
out year, M_MaxFixed - AddHijriDate);
if (AddHijriDate != 0)
{
sw.Write("This HijriCalendar " +
"(AddHijriDate {0})" +
" allows dates from 1. 1. 1 to " +
"{1}. {2}. {3}.",
AddHijriDate,
day, month, year);
}
else
{
sw.Write("HijriCalendar allows dates from " +
"1.1.1 to {0}.{1}.{2}.",
day, month, year);
}
throw new ArgumentOutOfRangeException(param,
sw.ToString());
}
}
/// <summary>Calculates the year of a date represented by a specified <see cref="T:System.DateTime" />.</summary>
/// <returns>An integer that represents the year specified by the <paramref name="time" /> parameter.</returns>
/// <param name="time">The <see cref="T:System.DateTime" /> to read. The <see cref="T:System.Globalization.UmAlQuraCalendar" /> class supports only dates from 04/30/1900 00.00.00 (Gregorian date) through 05/13/2029 23:59:59 (Gregorian date).</param>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="time" /> is outside the range supported by this calendar. </exception>
public override int GetYear(DateTime time)
{
int num = this.M_FromDateTime(time);
this.M_CheckFixedHijri("time", num);
return(CCHijriCalendar.year_from_fixed(num));
}
/// <summary>
/// Overriden. Gets the day of the month from
/// <paramref name="time"/>.
/// </summary>
/// <param name="time">The
/// <see cref="T:System.DateTime"/> that specifies a
/// date.
/// </param>
/// <returns>An integer giving the day of months, starting with 1.
/// </returns>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// The exception is thrown if the
/// <see cref="T:System.DateTime"/> parameter is not in the
/// supported range of the Hijri calendar.
/// </exception>
public override int GetDayOfMonth(DateTime time)
{
int rd = M_FromDateTime(time);
M_CheckFixedHijri("time", rd);
return(CCHijriCalendar.day_from_fixed(rd));
}
public static void my_from_fixed(out int month, out int year, int date)
{
year = CCHijriCalendar.year_from_fixed(date);
int num = 1 + (int)Math.Ceiling((double)(date - 29 - CCHijriCalendar.fixed_from_dmy(1, 1, year)) / 29.5);
month = ((num >= 12) ? 12 : num);
}
public static int month_from_fixed(int date)
{
int result;
int num;
CCHijriCalendar.my_from_fixed(out result, out num, date);
return(result);
}
/// <summary>
/// Overridden. Gives the number of days in the specified month
/// of the given year and era.
/// </summary>
/// <param name="year">An integer that gives the year.
/// </param>
/// <param name="month">An integer that gives the month, starting
/// with 1.</param>
/// <param name="era">An intger that gives the era of the specified
/// year.</param>
/// <returns>An integer that gives the number of days of the
/// specified month.</returns>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// The exception is thrown, if <paramref name="month"/>,
/// <paramref name="year"/> ,or <paramref name="era"/> is outside
/// the allowed range.
/// </exception>
public override int GetDaysInMonth(int year, int month, int era)
{
M_CheckYME(year, month, ref era);
int rd1 = CCHijriCalendar.fixed_from_dmy(1, month, year);
int rd2 = CCHijriCalendar.fixed_from_dmy(1, month + 1, year);
return(rd2 - rd1);
}
/// <summary>
/// Overridden. Gives the number of days of the specified
/// year of the given era.
/// </summary>
/// <param name="year">An integer that specifies the year.
/// </param>
/// <param name="era">An ineger that specifies the era.
/// </param>
/// <returns>An integer that gives the number of days of the
/// specified year.</returns>
/// <exception cref="T:System.ArgumentOutOfRangeExceiption">
/// The exception is thrown, if
/// <paramref name="year"/> is outside the allowed range.
/// </exception>
public override int GetDaysInYear(int year, int era)
{
M_CheckYE(year, ref era);
int rd1 = CCHijriCalendar.fixed_from_dmy(1, 1, year);
int rd2 = CCHijriCalendar.fixed_from_dmy(1, 1, year + 1);
return(rd2 - rd1);
}
/// <summary>Returns a <see cref="T:System.DateTime" /> that is set to the specified date, time, and era.</summary>
/// <returns>The <see cref="T:System.DateTime" /> that is set to the specified date and time in the current era.</returns>
/// <param name="year">A year. </param>
/// <param name="month">An integer from 1 through 12 that represents a month. </param>
/// <param name="day">An integer from 1 through 29 that represents a day. </param>
/// <param name="hour">An integer from 0 through 23 that represents an hour. </param>
/// <param name="minute">An integer from 0 through 59 that represents a minute. </param>
/// <param name="second">An integer from 0 through 59 that represents a second. </param>
/// <param name="millisecond">An integer from 0 through 999 that represents a millisecond. </param>
/// <param name="era">An era. Specify UmAlQuraCalendar.Eras[UmAlQuraCalendar.CurrentEra] or <see cref="F:System.Globalization.UmAlQuraCalendar.UmAlQuraEra" />.</param>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="year" />, <paramref name="month" />, <paramref name="day" />, or <paramref name="era" /> is outside the range supported by the <see cref="T:System.Globalization.UmAlQuraCalendar" /> class.-or- <paramref name="hour" /> is less than zero or greater than 23.-or- <paramref name="minute" /> is less than zero or greater than 59.-or- <paramref name="second" /> is less than zero or greater than 59.-or- <paramref name="millisecond" /> is less than zero or greater than 999. </exception>
public override DateTime ToDateTime(int year, int month, int day, int hour, int minute, int second, int millisecond, int era)
{
this.M_CheckYMDE(year, month, day, ref era);
base.M_CheckHMSM(hour, minute, second, millisecond);
int date = CCHijriCalendar.fixed_from_dmy(day, month, year);
return(this.M_ToDateTime(date, hour, minute, second, millisecond));
}
/// <summary>Calculates the number of days in the specified year of the specified era.</summary>
/// <returns>The number of days in the specified year and era. The number of days is 354 in a common year or 355 in a leap year.</returns>
/// <param name="year">A year. </param>
/// <param name="era">An era. Specify UmAlQuraCalendar.Eras[UmAlQuraCalendar.CurrentEra] or <see cref="F:System.Globalization.UmAlQuraCalendar.UmAlQuraEra" />.</param>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="year" /> or <paramref name="era" /> is outside the range supported by the <see cref="T:System.Globalization.UmAlQuraCalendar" /> class. </exception>
public override int GetDaysInYear(int year, int era)
{
this.M_CheckYE(year, ref era);
int num = CCHijriCalendar.fixed_from_dmy(1, 1, year);
int num2 = CCHijriCalendar.fixed_from_dmy(1, 1, year + 1);
return(num2 - num);
}
/// <summary>Calculates the number of days in the specified month of the specified year and era.</summary>
/// <returns>The number of days in the specified month in the specified year and era. The return value is 29 in a common year and 30 in a leap year.</returns>
/// <param name="year">A year. </param>
/// <param name="month">An integer from 1 through 12 that represents a month. </param>
/// <param name="era">An era. Specify UmAlQuraCalendar.Eras[UmAlQuraCalendar.CurrentEra] or <see cref="F:System.Globalization.UmAlQuraCalendar.UmAlQuraEra" />.</param>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="year" />, <paramref name="month" />, or <paramref name="era" /> is outside the range supported by the <see cref="T:System.Globalization.UmAlQuraCalendar" /> class. </exception>
public override int GetDaysInMonth(int year, int month, int era)
{
this.M_CheckYME(year, month, ref era);
int num = CCHijriCalendar.fixed_from_dmy(1, month, year);
int num2 = CCHijriCalendar.fixed_from_dmy(1, month + 1, year);
return(num2 - num);
}
public static int day_from_fixed(int date)
{
int result;
int num;
int num2;
CCHijriCalendar.dmy_from_fixed(out result, out num, out num2, date);
return(result);
}
/// <summary>
/// Overridden. Gives the number of the day in the year.
/// </summary>
/// <param name="time">The
/// <see cref="T:System.DateTime"/> that specifies a
/// date.
/// </param>
/// <returns>An integer representing the day of the year,
/// starting with 1.</returns>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// The exception is thrown if the
/// <see cref="T:System.DateTime"/> parameter is not in the
/// supported range of the Hijri calendar.
/// </exception>
public override int GetDayOfYear(DateTime time)
{
int rd = M_FromDateTime(time);
M_CheckFixedHijri("time", rd);
int year = CCHijriCalendar.year_from_fixed(rd);
int rd1_1 = CCHijriCalendar.fixed_from_dmy(1, 1, year);
return(rd - rd1_1 + 1);
}
internal void M_CheckYMDE(int year, int month, int day, ref int era)
{
this.M_CheckYME(year, month, ref era);
base.M_ArgumentInRange("day", day, 1, this.GetDaysInMonth(year, month, 1));
if (year == 9666)
{
int rdHijri = CCHijriCalendar.fixed_from_dmy(day, month, year);
this.M_CheckFixedHijri("day", rdHijri);
}
}
/// <summary>Calculates on which day of the year a specified date occurs.</summary>
/// <returns>An integer from 1 through 355 that represents the day of the year specified by the <paramref name="time" /> parameter.</returns>
/// <param name="time">The <see cref="T:System.DateTime" /> to read. The <see cref="T:System.Globalization.UmAlQuraCalendar" /> class supports only dates from 04/30/1900 00.00.00 (Gregorian date) through 05/13/2029 23:59:59 (Gregorian date).</param>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="time" /> is outside the range supported by this calendar. </exception>
public override int GetDayOfYear(DateTime time)
{
int num = this.M_FromDateTime(time);
this.M_CheckFixedHijri("time", num);
int year = CCHijriCalendar.year_from_fixed(num);
int num2 = CCHijriCalendar.fixed_from_dmy(1, 1, year);
return(num - num2 + 1);
}
/// <summary>
/// Overridden. Creates the
/// <see cref="T:System.DateTime"/> from the parameters.
/// </summary>
/// <param name="year">An integer that gives the year in the
/// <paramref name="era"/>.
/// </param>
/// <param name="month">An integer that specifies the month.
/// </param>
/// <param name="day">An integer that specifies the day.
/// </param>
/// <param name="hour">An integer that specifies the hour.
/// </param>
/// <param name="minute">An integer that specifies the minute.
/// </param>
/// <param name="second">An integer that gives the second.
/// </param>
/// <param name="milliseconds">An integer that gives the
/// milliseconds.
/// </param>
/// <param name="era">An integer that specifies the era.
/// </param>
/// <returns>A
/// <see cref="T:system.DateTime"/> representig the date and time.
/// </returns>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// The exception is thrown, if at least one of the parameters
/// is out of range.
/// </exception>
public override DateTime ToDateTime(int year, int month, int day,
int hour, int minute, int second, int milliseconds,
int era)
{
M_CheckYMDE(year, month, day, ref era);
M_CheckHMSM(hour, minute, second, milliseconds);
int rd = CCHijriCalendar.fixed_from_dmy(day, month, year);
return(M_ToDateTime(rd,
hour, minute, second, milliseconds));
}
/// <summary>
/// A protected method checking the calendar day, month, and year
/// and the era number.
/// </summary>
/// <param name="year">An integer representing the calendar year.
/// </param>
/// <param name="month">An integer giving the calendar month.
/// </param>
/// <param name="day">An integer giving the calendar day.
/// </param>
/// <param name="era">The era number.</param>
/// <exception cref="T:System.ArgumentException">
/// The exception is thrown if the era is not equal
/// <see cref="F:HijriEra"/>.
/// </exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// The exception is thrown if the calendar year, month, or day is
/// outside of the allowed range.
/// </exception>
internal void M_CheckYMDE(int year, int month, int day, ref int era)
{
M_CheckYME(year, month, ref era);
M_ArgumentInRange("day", day, 1,
GetDaysInMonth(year, month, HijriEra));
if (year == 9666)
{
int rd = CCHijriCalendar.fixed_from_dmy(day, month,
year);
M_CheckFixedHijri("day", rd);
}
}
/// <summary>Calculates a date that is a specified number of years away from a specified initial date.</summary>
/// <returns>A <see cref="T:System.DateTime" /> that represents the date yielded by adding the number of years specified by the <paramref name="years" /> parameter to the date specified by the <paramref name="time" /> parameter.</returns>
/// <param name="time">The <see cref="T:System.DateTime" /> to which to add years. The <see cref="T:System.Globalization.UmAlQuraCalendar" /> class supports only dates from 04/30/1900 00.00.00 (Gregorian date) through 05/13/2029 23:59:59 (Gregorian date).</param>
/// <param name="years">The positive or negative number of years to add. </param>
/// <exception cref="T:System.ArgumentException">The resulting date is outside the range supported by the <see cref="T:System.Globalization.UmAlQuraCalendar" /> class. </exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="years" /> is less than -10,000 or greater than 10,000. -or-<paramref name="time" /> is outside the range supported by this calendar.</exception>
public override DateTime AddYears(DateTime time, int years)
{
int num = this.M_FromDateTime(time);
int day;
int month;
int num2;
CCHijriCalendar.dmy_from_fixed(out day, out month, out num2, num);
num2 += years;
num = CCHijriCalendar.fixed_from_dmy(day, month, num2);
this.M_CheckFixedHijri("time", num);
return(this.M_ToDateTime(num).Add(time.TimeOfDay));
}
internal void M_CheckYME(int year, int month, ref int era)
{
this.M_CheckYE(year, ref era);
if (month < 1 || month > 12)
{
throw new ArgumentOutOfRangeException("month", "Month must be between one and twelve.");
}
if (year == 9666)
{
int rdHijri = CCHijriCalendar.fixed_from_dmy(1, month, year);
this.M_CheckFixedHijri("month", rdHijri);
}
}
/// <summary>Calculates a date that is a specified number of months away from a specified initial date.</summary>
/// <returns>A <see cref="T:System.DateTime" /> that represents the date yielded by adding the number of months specified by the <paramref name="months" /> parameter to the date specified by the <paramref name="time" /> parameter.</returns>
/// <param name="time">The <see cref="T:System.DateTime" /> to which to add months. The <see cref="T:System.Globalization.UmAlQuraCalendar" /> class supports only dates from 04/30/1900 00.00.00 (Gregorian date) through 05/13/2029 23:59:59 (Gregorian date).</param>
/// <param name="months">The positive or negative number of months to add. </param>
/// <exception cref="T:System.ArgumentException">The resulting date is outside the range supported by the <see cref="T:System.Globalization.UmAlQuraCalendar" /> class. </exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="months" /> is less than -120,000 or greater than 120,000. -or-<paramref name="time" /> is outside the range supported by this calendar.</exception>
public override DateTime AddMonths(DateTime time, int months)
{
int num = this.M_FromDateTime(time);
int day;
int num2;
int num3;
CCHijriCalendar.dmy_from_fixed(out day, out num2, out num3, num);
num2 += months;
num3 += CCMath.div_mod(out num2, num2, 12);
num = CCHijriCalendar.fixed_from_dmy(day, num2, num3);
this.M_CheckFixedHijri("time", num);
return(this.M_ToDateTime(num).Add(time.TimeOfDay));
}
/// <summary>
/// Overrideden. Adds years to a given date.
/// </summary>
/// <param name="time">The
/// <see cref="T:System.DateTime"/> to which to add
/// years.
/// </param>
/// <param name="years">The number of years to add.</param>
/// <returns>A new <see cref="T:System.DateTime"/> value, that
/// results from adding <paramref name="years"/> to the specified
/// DateTime.</returns>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// The exception is thrown if the
/// <see cref="T:System.DateTime"/> return value is not in the
/// supported range of the Hijri calendar.
/// </exception>
public override DateTime AddYears(DateTime time, int years)
{
int rd = M_FromDateTime(time);
int day, month, year;
CCHijriCalendar.dmy_from_fixed(
out day, out month, out year, rd);
year += years;
rd = CCHijriCalendar.fixed_from_dmy(day, month, year);
M_CheckFixedHijri("time", rd);
DateTime t = M_ToDateTime(rd);
return(t.Add(time.TimeOfDay));
}
/// <summary>
/// Overridden. Tells whether the given year
/// is a leap year.
/// </summary>
/// <param name="year">An integer that specifies the year in the
/// given era.
/// </param>
/// <param name="era">An integer that specifies the era.
/// </param>
/// <returns>A boolean that tells whether the given year is a leap
/// year.
/// </returns>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// The exception is thrown, if the year or era is not
/// valid.
/// </exception>
public override bool IsLeapYear(int year, int era)
{
M_CheckYE(year, ref era);
return(CCHijriCalendar.is_leap_year(year));
}
public static void dmy_from_fixed(out int day, out int month, out int year, int date)
{
CCHijriCalendar.my_from_fixed(out month, out year, date);
day = date - CCHijriCalendar.fixed_from_dmy(1, month, year) + 1;
}
public static int date_difference(int dayA, int monthA, int yearA, int dayB, int monthB, int yearB)
{
return(CCHijriCalendar.fixed_from_dmy(dayB, monthB, yearB) - CCHijriCalendar.fixed_from_dmy(dayA, monthA, yearA));
}
public static int day_number(int day, int month, int year)
{
return(CCHijriCalendar.date_difference(31, 12, year - 1, day, month, year));
}
public static int days_remaining(int day, int month, int year)
{
return(CCHijriCalendar.date_difference(day, month, year, 31, 12, year));
}