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#if !LOCALTEST
using System.Runtime.CompilerServices;
using System.Globalization;
using System.Text;
namespace System {
public struct DateTime : IFormattable, IComparable, IComparable<DateTime>, IEquatable<DateTime> {
public static readonly DateTime MinValue = new DateTime(0);
public static readonly DateTime MaxValue = new DateTime(3155378975999999999L);
[MethodImpl(MethodImplOptions.InternalCall)]
extern private static long InternalUtcNow();
private TimeSpan ticks;
private DateTimeKind kind;
private static readonly int[] daysMonth = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
private static readonly int[] daysMonthLeap = { 0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
private static int AbsoluteDays(int year, int month, int day) {
int[] days;
int temp = 0, m = 1;
days = (IsLeapYear(year) ? daysMonthLeap : daysMonth);
while (m < month)
temp += days[m++];
return ((day - 1) + temp + (365 * (year - 1)) + ((year - 1) / 4) - ((year - 1) / 100) + ((year - 1) / 400));
}
public DateTime(long ticks) {
this.ticks = new TimeSpan(ticks);
this.kind = DateTimeKind.Unspecified;
}
public DateTime(long ticks, DateTimeKind kind) {
this.ticks = new TimeSpan(ticks);
this.kind = kind;
}
public DateTime(int year, int month, int day)
: this(year, month, day, 0, 0, 0, 0, DateTimeKind.Unspecified) {
}
public DateTime(int year, int month, int day, int hour, int minute, int second)
: this(year, month, day, hour, minute, second, 0, DateTimeKind.Unspecified) {
}
public DateTime(int year, int month, int day, int hour, int minute, int second, DateTimeKind kind)
: this(year, month, day, hour, minute, second, 0, kind) {
}
public DateTime(int year, int month, int day, int hour, int minute, int second, int millisecond)
: this(year, month, day, hour, minute, second, millisecond, DateTimeKind.Unspecified) {
}
public DateTime(int year, int month, int day, int hour, int minute, int second, int millisecond, DateTimeKind kind) {
ticks = new TimeSpan(AbsoluteDays(year, month, day), hour, minute, second, millisecond);
this.kind = kind;
}
public DateTime Date {
get {
return new DateTime(this.Year, this.Month, this.Day, 0, 0, 0, this.kind);
}
}
public int Day {
get {
return this.FromTicks(Which.Day);
}
}
public DayOfWeek DayOfWeek {
get {
return (DayOfWeek)((this.ticks.Days + 1) % 7);
}
}
public int DayOfYear {
get {
return this.FromTicks(Which.DayYear);
}
}
public int Hour {
get {
return this.ticks.Hours;
}
}
public DateTimeKind Kind {
get {
return this.kind;
}
}
public int Millisecond {
get {
return this.ticks.MilliSeconds;
}
}
public int Minute {
get {
return this.ticks.Minutes;
}
}
public int Month {
get {
return this.FromTicks(Which.Month);
}
}
public int Second {
get {
return this.ticks.Seconds;
}
}
public long Ticks {
get {
return this.ticks.Ticks;
}
}
public TimeSpan TimeOfDay {
get {
return new TimeSpan(this.ticks.Ticks % TimeSpan.TicksPerDay);
}
}
public int Year {
get {
return this.FromTicks(Which.Year);
}
}
public static DateTime UtcNow {
get {
return new DateTime(InternalUtcNow(), DateTimeKind.Utc);
}
}
private enum Which {
Day,
DayYear,
Month,
Year
};
public DateTime Add(TimeSpan ts) {
return new DateTime(this.ticks.Ticks + ts.Ticks, this.kind);
}
public TimeSpan Subtract(DateTime dt) {
return this.ticks - dt.ticks;
}
public DateTime Subtract(TimeSpan ts) {
return new DateTime(this.ticks.Ticks - ts.Ticks, this.kind);
}
public DateTime AddDays(double days) {
return this.AddTicks((long)(days * (double)TimeSpan.TicksPerDay));
}
public DateTime AddHours(double hours) {
return this.AddTicks((long)(hours * (double)TimeSpan.TicksPerHour));
}
public DateTime AddMilliseconds(double ms) {
return this.AddTicks((long)(ms * (double)TimeSpan.TicksPerMillisecond));
}
public DateTime AddMinutes(double mins) {
return this.AddTicks((long)(mins * (double)TimeSpan.TicksPerMinute));
}
public DateTime AddSeconds(double seconds) {
return this.AddTicks((long)(seconds * (double)TimeSpan.TicksPerSecond));
}
public DateTime AddTicks(long ticks) {
return new DateTime(this.ticks.Ticks + ticks, this.kind);
}
public DateTime AddMonths(int months) {
int day, month, year, maxday;
DateTime temp;
day = this.Day;
month = this.Month + (months % 12);
year = this.Year + months / 12;
if (month < 1) {
month = 12 + month;
year--;
} else if (month > 12) {
month = month - 12;
year++;
}
maxday = DaysInMonth(year, month);
if (day > maxday)
day = maxday;
temp = new DateTime(year, month, day);
temp.kind = kind;
return temp.Add(this.TimeOfDay);
}
public DateTime AddYears(int years) {
return this.AddMonths(years * 12);
}
public static DateTime operator +(DateTime d, TimeSpan t) {
return d.Add(t);
}
public static TimeSpan operator -(DateTime d1, DateTime d2) {
return d1.Subtract(d2);
}
public static DateTime operator -(DateTime d, TimeSpan t) {
return d.Subtract(t);
}
public static bool operator ==(DateTime d1, DateTime d2) {
return d1.ticks == d2.ticks;
}
public static bool operator !=(DateTime d1, DateTime d2) {
return d1.ticks != d2.ticks;
}
public static bool operator >(DateTime d1, DateTime d2) {
return d1.ticks > d2.ticks;
}
public static bool operator >=(DateTime d1, DateTime d2) {
return d1.ticks >= d2.ticks;
}
public static bool operator <(DateTime d1, DateTime d2) {
return d1.ticks < d2.ticks;
}
public static bool operator <=(DateTime d1, DateTime d2) {
return d1.ticks <= d2.ticks;
}
private const int dp400 = 146097;
private const int dp100 = 36524;
private const int dp4 = 1461;
public static bool IsLeapYear(int year) {
return ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0);
}
private int FromTicks(Which what) {
int num400, num100, num4, numyears;
int M = 1;
int[] days = daysMonth;
int totaldays = this.ticks.Days;
num400 = (totaldays / dp400);
totaldays -= num400 * dp400;
num100 = (totaldays / dp100);
if (num100 == 4) // leap
num100 = 3;
totaldays -= (num100 * dp100);
num4 = totaldays / dp4;
totaldays -= (num4 * dp4);
numyears = totaldays / 365;
if (numyears == 4) {
//leap
numyears = 3;
}
if (what == Which.Year) {
return num400 * 400 + num100 * 100 + num4 * 4 + numyears + 1;
}
totaldays -= (numyears * 365);
if (what == Which.DayYear) {
return totaldays + 1;
}
if ((numyears == 3) && ((num100 == 3) || !(num4 == 24))) {
//31 dec leapyear
days = daysMonthLeap;
}
while (totaldays >= days[M]) {
totaldays -= days[M++];
}
if (what == Which.Month) {
return M;
}
return totaldays + 1;
}
public static int DaysInMonth(int year, int month) {
if (month < 1 || month > 12) {
throw new ArgumentOutOfRangeException();
}
int[] days = (IsLeapYear(year) ? daysMonthLeap : daysMonth);
return days[month];
}
public override bool Equals(object obj) {
if (!(obj is System.DateTime)) {
return false;
}
return ((DateTime)obj).ticks == ticks;
}
public override int GetHashCode() {
return this.ticks.GetHashCode();
}
#region ToString() stuff
public override string ToString() {
return this.ToString("G", null);
}
public string ToString(IFormatProvider fp) {
return this.ToString(null, fp);
}
public string ToString(string format) {
return this.ToString(format, null);
}
public string ToString(string format, IFormatProvider fp) {
DateTimeFormatInfo dtf = DateTimeFormatInfo.GetInstance(fp);
if (string.IsNullOrEmpty(format)) {
format = "G";
}
bool useUtc = false, useInvariant = false;
if (format.Length == 1) {
format = GetStandardPattern(format[0], dtf, out useUtc, out useInvariant);
}
return this.ToString2(format, dtf);
}
#region ToString helper functions
private string ToString2(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 = CountRepeat(format, i, ch);
int hr = this.Hour % 12;
if (hr == 0)
hr = 12;
ZeroPad(result, hr, tokLen == 1 ? 1 : 2);
break;
case 'H':
// hour, [0, 23]
tokLen = CountRepeat(format, i, ch);
ZeroPad(result, this.Hour, tokLen == 1 ? 1 : 2);
break;
case 'm':
// minute, [0, 59]
tokLen = CountRepeat(format, i, ch);
ZeroPad(result, this.Minute, tokLen == 1 ? 1 : 2);
break;
case 's':
// second [0, 29]
tokLen = CountRepeat(format, i, ch);
ZeroPad(result, this.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 = CountRepeat(format, i, ch);
if (tokLen > 7)
throw new FormatException("Invalid Format String");
int dec = (int)((long)(this.Ticks % TimeSpan.TicksPerSecond) / (long)Math.Pow(10, 7 - tokLen));
int startLen = result.Length;
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 = CountRepeat(format, i, ch);
string desig = this.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 = CountRepeat(format, i, ch);
throw new NotImplementedException("TimeZone not supported");
/*TimeSpan offset = TimeZone.CurrentTimeZone.GetUtcOffset(this);
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;
switch (kind) {
case DateTimeKind.Utc:
result.Append ('Z');
break;
case DateTimeKind.Local:
throw new NotImplementedException("TimeZone not supported");
/*offset = TimeZone.CurrentTimeZone.GetUtcOffset (this);
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"));
break;*/
}
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 = CountRepeat(format, i, ch);
if (tokLen <= 2)
ZeroPad(result, dfi.Calendar.GetDayOfMonth(this), tokLen == 1 ? 1 : 2);
else if (tokLen == 3)
result.Append(dfi.GetAbbreviatedDayName(dfi.Calendar.GetDayOfWeek(this)));
else
result.Append(dfi.GetDayName(dfi.Calendar.GetDayOfWeek(this)));
break;
case 'M':
// Month.m(m?) = month # (with leading 0 if two mm)
// mmm = 3 letter name
// mmmm+ = full name
tokLen = CountRepeat(format, i, ch);
int month = dfi.Calendar.GetMonth(this);
if (tokLen <= 2)
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, if yyy and yr < 1000, displayed as three digits
tokLen = CountRepeat(format, i, ch);
if (tokLen <= 2)
ZeroPad(result, dfi.Calendar.GetYear(this) % 100, tokLen);
else
ZeroPad(result, dfi.Calendar.GetYear(this), (tokLen == 3 ? 3 : 4));
break;
case 'g':
// Era name
tokLen = CountRepeat(format, i, ch);
result.Append(dfi.GetEraName(dfi.Calendar.GetEra(this)));
break;
//
// Other
//
case ':':
result.Append(dfi.TimeSeparator);
tokLen = 1;
break;
case '/':
result.Append(dfi.DateSeparator);
tokLen = 1;
break;
case '\'':
case '"':
tokLen = 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 int CountRepeat(string fmt, int p, char c) {
int l = fmt.Length;
int i = p + 1;
while ((i < l) && (fmt[i] == c))
i++;
return i - p;
}
private static void ZeroPad(StringBuilder output, int digits, int len) {
char[] buffer = new char[16];
int pos = 16;
do {
buffer[--pos] = (char)('0' + digits % 10);
digits /= 10;
len--;
} while (digits > 0);
while (len-- > 0) {
buffer[--pos] = '0';
}
output.Append(buffer, pos, 16 - pos);
}
private static int ParseQuotedString(string fmt, int pos, StringBuilder output) {
// pos == position of " or '
int len = fmt.Length;
int start = pos;
char quoteChar = fmt[pos++];
while (pos < len) {
char ch = fmt[pos++];
if (ch == quoteChar)
return pos - start;
if (ch == '\\') {
// C-Style escape
if (pos >= len)
throw new FormatException("Un-ended quote");
output.Append(fmt[pos++]);
} else {
output.Append(ch);
}
}
throw new FormatException("Un-ended quote");
}
private static string GetStandardPattern(char format, DateTimeFormatInfo dfi, out bool useUtc, out bool useInvariant) {
String pattern;
useUtc = false;
useInvariant = false;
switch (format) {
case 'd':
pattern = dfi.ShortDatePattern;
break;
case 'D':
pattern = dfi.LongDatePattern;
break;
case 'f':
pattern = dfi.LongDatePattern + " " + dfi.ShortTimePattern;
break;
case 'F':
pattern = dfi.FullDateTimePattern;
break;
case 'g':
pattern = dfi.ShortDatePattern + " " + dfi.ShortTimePattern;
break;
case 'G':
pattern = dfi.ShortDatePattern + " " + dfi.LongTimePattern;
break;
case 'm':
case 'M':
pattern = dfi.MonthDayPattern;
break;
#if NET_2_0
case 'o':
pattern = dfi.RoundtripPattern;
break;
#endif
case 'r':
case 'R':
pattern = dfi.RFC1123Pattern;
// commented by LP 09/jun/2002, rfc 1123 pattern is always in GMT
// uncommented by AE 27/may/2004
// useutc = true;
useInvariant = true;
break;
case 's':
pattern = dfi.SortableDateTimePattern;
break;
case 't':
pattern = dfi.ShortTimePattern;
break;
case 'T':
pattern = dfi.LongTimePattern;
break;
case 'u':
pattern = dfi.UniversalSortableDateTimePattern;
useUtc = true;
break;
case 'U':
// pattern = dfi.LongDatePattern + " " + dfi.LongTimePattern;
pattern = dfi.FullDateTimePattern;
useUtc = true;
break;
case 'y':
case 'Y':
pattern = dfi.YearMonthPattern;
break;
default:
pattern = null;
break;
// throw new FormatException (String.Format ("Invalid format pattern: '{0}'", format));
}
return pattern;
}
#endregion
#endregion
#region IComparable Members
public int CompareTo(object obj) {
if (obj == null) {
return 1;
}
if (!(obj is DateTime)) {
throw new ArgumentException();
}
return this.CompareTo((DateTime)obj);
}
#endregion
#region IComparable<DateTime> Members
public int CompareTo(DateTime x) {
return this.ticks.CompareTo(x.ticks);
}
#endregion
#region IEquatable<DateTime> Members
public bool Equals(DateTime x) {
return this.ticks.Equals(x.ticks);
}
#endregion
}
}
#endif