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Diffstat (limited to 'Rx.NET/System.Reactive.Interfaces/DateTimeOffset.cs')
| -rw-r--r-- | Rx.NET/System.Reactive.Interfaces/DateTimeOffset.cs | 805 |
1 files changed, 0 insertions, 805 deletions
diff --git a/Rx.NET/System.Reactive.Interfaces/DateTimeOffset.cs b/Rx.NET/System.Reactive.Interfaces/DateTimeOffset.cs deleted file mode 100644 index 5667709..0000000 --- a/Rx.NET/System.Reactive.Interfaces/DateTimeOffset.cs +++ /dev/null @@ -1,805 +0,0 @@ -// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information. - -#if NO_DATETIMEOFFSET - -/*BDS+*/ -/* - * Copied from Dev11 source tree. Markers used to indicate changes. - * Search for BDS- and BDS+ to find additions and removals of code. - */ -/*BDS+*/ - -// ==++== -// -// Copyright (c) Microsoft Corporation. All rights reserved. -// -// ==--== -namespace System { - - using System; - using System.Threading; - using System.Globalization; - using System.Runtime.InteropServices; - using System.Runtime.CompilerServices; - using System.Runtime.Serialization; - using System.Security.Permissions; - /*BDS-*/ //using System.Diagnostics.Contracts; - - // DateTimeOffset is a value type that consists of a DateTime and a time zone offset, - // ie. how far away the time is from GMT. The DateTime is stored whole, and the offset - // is stored as an Int16 internally to save space, but presented as a TimeSpan. - // - // The range is constrained so that both the represented clock time and the represented - // UTC time fit within the boundaries of MaxValue. This gives it the same range as DateTime - // for actual UTC times, and a slightly constrained range on one end when an offset is - // present. - // - // This class should be substitutable for date time in most cases; so most operations - // effectively work on the clock time. However, the underlying UTC time is what counts - // for the purposes of identity, sorting and subtracting two instances. - // - // - // There are theoretically two date times stored, the UTC and the relative local representation - // or the 'clock' time. It actually does not matter which is stored in m_dateTime, so it is desirable - // for most methods to go through the helpers UtcDateTime and ClockDateTime both to abstract this - // out and for internal readability. - - [StructLayout(LayoutKind.Auto)] - [Serializable] - public struct DateTimeOffset : IComparable, /*BDS-*/ //IFormattable, ISerializable, IDeserializationCallback, - IComparable<DateTimeOffset>, IEquatable<DateTimeOffset> { - - // Constants - internal const Int64 MaxOffset = TimeSpan.TicksPerHour * 14; - internal const Int64 MinOffset = -MaxOffset; - - // Static Fields - /*BDS-*/ //public static readonly DateTimeOffset MinValue = new DateTimeOffset(DateTime.MinTicks, TimeSpan.Zero); - /*BDS+*/ public static readonly DateTimeOffset MinValue = new DateTimeOffset(DateTime.MinValue.Ticks, TimeSpan.Zero); - /*BDS-*/ //public static readonly DateTimeOffset MaxValue = new DateTimeOffset(DateTime.MaxTicks, TimeSpan.Zero); - /*BDS+*/ public static readonly DateTimeOffset MaxValue = new DateTimeOffset(DateTime.MaxValue.Ticks, TimeSpan.Zero); - - // Instance Fields - private DateTime m_dateTime; - private Int16 m_offsetMinutes; - - // Constructors - - // Constructs a DateTimeOffset from a tick count and offset - public DateTimeOffset(long ticks, TimeSpan offset) { - m_offsetMinutes = ValidateOffset(offset); - // Let the DateTime constructor do the range checks - DateTime dateTime = new DateTime(ticks); - m_dateTime = ValidateDate(dateTime, offset); - } - - // Constructs a DateTimeOffset from a DateTime. For UTC and Unspecified kinds, creates a - // UTC instance with a zero offset. For local, extracts the local offset. - public DateTimeOffset(DateTime dateTime) { - TimeSpan offset; - if (dateTime.Kind != DateTimeKind.Utc) { - // Local and Unspecified are both treated as Local - /*BDS-*/ //offset = TimeZoneInfo.Local.GetUtcOffset(dateTime, TimeZoneInfoOptions.NoThrowOnInvalidTime); - /*BDS+*/ offset = TimeZone.CurrentTimeZone.GetUtcOffset(dateTime); - } - else { - offset = new TimeSpan(0); - } - m_offsetMinutes = ValidateOffset(offset); - m_dateTime = ValidateDate(dateTime, offset); - } - - // Constructs a DateTimeOffset from a DateTime. And an offset. Always makes the clock time - // consistent with the DateTime. For Utc ensures the offset is zero. For local, ensures that - // the offset corresponds to the local. - public DateTimeOffset(DateTime dateTime, TimeSpan offset) { - if (dateTime.Kind == DateTimeKind.Local) { - /*BDS-*/ //if (offset != TimeZoneInfo.Local.GetUtcOffset(dateTime, TimeZoneInfoOptions.NoThrowOnInvalidTime)) { - /*BDS+*/ if (offset != TimeZone.CurrentTimeZone.GetUtcOffset(dateTime)) { - /*BDS-*/ //throw new ArgumentException(Environment.GetResourceString("Argument_OffsetLocalMismatch"), "offset"); - /*BDS+*/ throw new ArgumentException("OffsetLocalMismatch", "offset"); - } - } - else if (dateTime.Kind == DateTimeKind.Utc) { - if (offset != TimeSpan.Zero) { - /*BDS-*/ //throw new ArgumentException(Environment.GetResourceString("Argument_OffsetUtcMismatch"), "offset"); - /*BDS+*/ throw new ArgumentException("OffsetUtcMismatch", "offset"); - } - } - m_offsetMinutes = ValidateOffset(offset); - m_dateTime = ValidateDate(dateTime, offset); - } - - // Constructs a DateTimeOffset from a given year, month, day, hour, - // minute, second and offset. - public DateTimeOffset(int year, int month, int day, int hour, int minute, int second, TimeSpan offset) { - m_offsetMinutes = ValidateOffset(offset); - m_dateTime = ValidateDate(new DateTime(year, month, day, hour, minute, second), offset); - } - - // Constructs a DateTimeOffset from a given year, month, day, hour, - // minute, second, millsecond and offset - public DateTimeOffset(int year, int month, int day, int hour, int minute, int second, int millisecond, TimeSpan offset) { - m_offsetMinutes = ValidateOffset(offset); - m_dateTime = ValidateDate(new DateTime(year, month, day, hour, minute, second, millisecond), offset); - } - - - // Constructs a DateTimeOffset from a given year, month, day, hour, - // minute, second, millsecond, Calendar and offset. - public DateTimeOffset(int year, int month, int day, int hour, int minute, int second, int millisecond, Calendar calendar, TimeSpan offset) { - m_offsetMinutes = ValidateOffset(offset); - m_dateTime = ValidateDate(new DateTime(year, month, day, hour, minute, second, millisecond, calendar), offset); - } - - // Returns a DateTimeOffset representing the current date and time. The - // resolution of the returned value depends on the system timer. For - // Windows NT 3.5 and later the timer resolution is approximately 10ms, - // for Windows NT 3.1 it is approximately 16ms, and for Windows 95 and 98 - // it is approximately 55ms. - // - public static DateTimeOffset Now { - get { - return new DateTimeOffset(DateTime.Now); - } - } - - public static DateTimeOffset UtcNow { - get { - return new DateTimeOffset(DateTime.UtcNow); - } - } - - public DateTime DateTime { - get { - return ClockDateTime; - } - } - - public DateTime UtcDateTime { - /*BDS-*/ //[Pure] - get { - /*BDS-*/ //Contract.Ensures(Contract.Result<DateTime>().Kind == DateTimeKind.Utc); - return DateTime.SpecifyKind(m_dateTime, DateTimeKind.Utc); - } - } - - public DateTime LocalDateTime { - /*BDS-*/ //[Pure] - get { - /*BDS-*/ //Contract.Ensures(Contract.Result<DateTime>().Kind == DateTimeKind.Local); - return UtcDateTime.ToLocalTime(); - } - } - - // Adjust to a given offset with the same UTC time. Can throw ArgumentException - // - public DateTimeOffset ToOffset(TimeSpan offset) { - return new DateTimeOffset((m_dateTime + offset).Ticks, offset); - } - - - // Instance Properties - - // The clock or visible time represented. This is just a wrapper around the internal date because this is - // the chosen storage mechanism. Going through this helper is good for readability and maintainability. - // This should be used for display but not identity. - private DateTime ClockDateTime { - get { - return new DateTime((m_dateTime + Offset).Ticks, DateTimeKind.Unspecified); - } - } - - // Returns the date part of this DateTimeOffset. The resulting value - // corresponds to this DateTimeOffset with the time-of-day part set to - // zero (midnight). - // - public DateTime Date { - get { - return ClockDateTime.Date; - } - } - - // Returns the day-of-month part of this DateTimeOffset. The returned - // value is an integer between 1 and 31. - // - public int Day { - get { - /*BDS-*/ //Contract.Ensures(Contract.Result<int>() >= 1); - /*BDS-*/ //Contract.Ensures(Contract.Result<int>() <= 31); - return ClockDateTime.Day; - } - } - - // Returns the day-of-week part of this DateTimeOffset. The returned value - // is an integer between 0 and 6, where 0 indicates Sunday, 1 indicates - // Monday, 2 indicates Tuesday, 3 indicates Wednesday, 4 indicates - // Thursday, 5 indicates Friday, and 6 indicates Saturday. - // - public DayOfWeek DayOfWeek { - get { - /*BDS-*/ //Contract.Ensures(Contract.Result<DayOfWeek>() >= DayOfWeek.Sunday); - /*BDS-*/ //Contract.Ensures(Contract.Result<DayOfWeek>() <= DayOfWeek.Saturday); - return ClockDateTime.DayOfWeek; - } - } - - // Returns the day-of-year part of this DateTimeOffset. The returned value - // is an integer between 1 and 366. - // - public int DayOfYear { - get { - /*BDS-*/ //Contract.Ensures(Contract.Result<int>() >= 1); - /*BDS-*/ //Contract.Ensures(Contract.Result<int>() <= 366); // leap year - return ClockDateTime.DayOfYear; - } - } - - // Returns the hour part of this DateTimeOffset. The returned value is an - // integer between 0 and 23. - // - public int Hour { - get { - /*BDS-*/ //Contract.Ensures(Contract.Result<int>() >= 0); - /*BDS-*/ //Contract.Ensures(Contract.Result<int>() < 24); - return ClockDateTime.Hour; - } - } - - - // Returns the millisecond part of this DateTimeOffset. The returned value - // is an integer between 0 and 999. - // - public int Millisecond { - get { - /*BDS-*/ //Contract.Ensures(Contract.Result<int>() >= 0); - /*BDS-*/ //Contract.Ensures(Contract.Result<int>() < 1000); - return ClockDateTime.Millisecond; - } - } - - // Returns the minute part of this DateTimeOffset. The returned value is - // an integer between 0 and 59. - // - public int Minute { - get { - /*BDS-*/ //Contract.Ensures(Contract.Result<int>() >= 0); - /*BDS-*/ //Contract.Ensures(Contract.Result<int>() < 60); - return ClockDateTime.Minute; - } - } - - // Returns the month part of this DateTimeOffset. The returned value is an - // integer between 1 and 12. - // - public int Month { - get { - /*BDS-*/ //Contract.Ensures(Contract.Result<int>() >= 1); - return ClockDateTime.Month; - } - } - - public TimeSpan Offset { - get { - return new TimeSpan(0, m_offsetMinutes, 0); - } - } - - // Returns the second part of this DateTimeOffset. The returned value is - // an integer between 0 and 59. - // - public int Second { - get { - /*BDS-*/ //Contract.Ensures(Contract.Result<int>() >= 0); - /*BDS-*/ //Contract.Ensures(Contract.Result<int>() < 60); - return ClockDateTime.Second; - } - } - - // Returns the tick count for this DateTimeOffset. The returned value is - // the number of 100-nanosecond intervals that have elapsed since 1/1/0001 - // 12:00am. - // - public long Ticks { - get { - return ClockDateTime.Ticks; - } - } - - public long UtcTicks { - get { - return UtcDateTime.Ticks; - } - } - - // Returns the time-of-day part of this DateTimeOffset. The returned value - // is a TimeSpan that indicates the time elapsed since midnight. - // - public TimeSpan TimeOfDay { - get { - return ClockDateTime.TimeOfDay; - } - } - - // Returns the year part of this DateTimeOffset. The returned value is an - // integer between 1 and 9999. - // - public int Year { - get { - /*BDS-*/ //Contract.Ensures(Contract.Result<int>() >= 1 && Contract.Result<int>() <= 9999); - return ClockDateTime.Year; - } - } - - // Returns the DateTimeOffset resulting from adding the given - // TimeSpan to this DateTimeOffset. - // - public DateTimeOffset Add(TimeSpan timeSpan) { - return new DateTimeOffset(ClockDateTime.Add(timeSpan), Offset); - } - - // Returns the DateTimeOffset resulting from adding a fractional number of - // days to this DateTimeOffset. The result is computed by rounding the - // fractional number of days given by value to the nearest - // millisecond, and adding that interval to this DateTimeOffset. The - // value argument is permitted to be negative. - // - public DateTimeOffset AddDays(double days) { - return new DateTimeOffset(ClockDateTime.AddDays(days), Offset); - } - - // Returns the DateTimeOffset resulting from adding a fractional number of - // hours to this DateTimeOffset. The result is computed by rounding the - // fractional number of hours given by value to the nearest - // millisecond, and adding that interval to this DateTimeOffset. The - // value argument is permitted to be negative. - // - public DateTimeOffset AddHours(double hours) { - return new DateTimeOffset(ClockDateTime.AddHours(hours), Offset); - } - - // Returns the DateTimeOffset resulting from the given number of - // milliseconds to this DateTimeOffset. The result is computed by rounding - // the number of milliseconds given by value to the nearest integer, - // and adding that interval to this DateTimeOffset. The value - // argument is permitted to be negative. - // - public DateTimeOffset AddMilliseconds(double milliseconds) { - return new DateTimeOffset(ClockDateTime.AddMilliseconds(milliseconds), Offset); - } - - // Returns the DateTimeOffset resulting from adding a fractional number of - // minutes to this DateTimeOffset. The result is computed by rounding the - // fractional number of minutes given by value to the nearest - // millisecond, and adding that interval to this DateTimeOffset. The - // value argument is permitted to be negative. - // - public DateTimeOffset AddMinutes(double minutes) { - return new DateTimeOffset(ClockDateTime.AddMinutes(minutes), Offset); - } - - public DateTimeOffset AddMonths(int months) { - return new DateTimeOffset(ClockDateTime.AddMonths(months), Offset); - } - - // Returns the DateTimeOffset resulting from adding a fractional number of - // seconds to this DateTimeOffset. The result is computed by rounding the - // fractional number of seconds given by value to the nearest - // millisecond, and adding that interval to this DateTimeOffset. The - // value argument is permitted to be negative. - // - public DateTimeOffset AddSeconds(double seconds) { - return new DateTimeOffset(ClockDateTime.AddSeconds(seconds), Offset); - } - - // Returns the DateTimeOffset resulting from adding the given number of - // 100-nanosecond ticks to this DateTimeOffset. The value argument - // is permitted to be negative. - // - public DateTimeOffset AddTicks(long ticks) { - return new DateTimeOffset(ClockDateTime.AddTicks(ticks), Offset); - } - - // Returns the DateTimeOffset resulting from adding the given number of - // years to this DateTimeOffset. The result is computed by incrementing - // (or decrementing) the year part of this DateTimeOffset by value - // years. If the month and day of this DateTimeOffset is 2/29, and if the - // resulting year is not a leap year, the month and day of the resulting - // DateTimeOffset becomes 2/28. Otherwise, the month, day, and time-of-day - // parts of the result are the same as those of this DateTimeOffset. - // - public DateTimeOffset AddYears(int years) { - return new DateTimeOffset(ClockDateTime.AddYears(years), Offset); - } - - // Compares two DateTimeOffset values, returning an integer that indicates - // their relationship. - // - public static int Compare(DateTimeOffset first, DateTimeOffset second) { - return DateTime.Compare(first.UtcDateTime, second.UtcDateTime); - } - - // Compares this DateTimeOffset to a given object. This method provides an - // implementation of the IComparable interface. The object - // argument must be another DateTimeOffset, or otherwise an exception - // occurs. Null is considered less than any instance. - // - int IComparable.CompareTo(Object obj) { - if (obj == null) return 1; - if (!(obj is DateTimeOffset)) { - /*BDS-*/ //throw new ArgumentException(Environment.GetResourceString("Arg_MustBeDateTimeOffset")); - /*BDS+*/ throw new ArgumentException("MustBeDateTimeOffset"); - } - - DateTime objUtc = ((DateTimeOffset)obj).UtcDateTime; - DateTime utc = UtcDateTime; - if (utc > objUtc) return 1; - if (utc < objUtc) return -1; - return 0; - } - - public int CompareTo(DateTimeOffset other) { - DateTime otherUtc = other.UtcDateTime; - DateTime utc = UtcDateTime; - if (utc > otherUtc) return 1; - if (utc < otherUtc) return -1; - return 0; - } - - - // Checks if this DateTimeOffset is equal to a given object. Returns - // true if the given object is a boxed DateTimeOffset and its value - // is equal to the value of this DateTimeOffset. Returns false - // otherwise. - // - public override bool Equals(Object obj) { - if (obj is DateTimeOffset) { - return UtcDateTime.Equals(((DateTimeOffset)obj).UtcDateTime); - } - return false; - } - - public bool Equals(DateTimeOffset other) { - return UtcDateTime.Equals(other.UtcDateTime); - } - - public bool EqualsExact(DateTimeOffset other) { - // - // returns true when the ClockDateTime, Kind, and Offset match - // - // currently the Kind should always be Unspecified, but there is always the possibility that a future version - // of DateTimeOffset overloads the Kind field - // - return (ClockDateTime == other.ClockDateTime && Offset == other.Offset && ClockDateTime.Kind == other.ClockDateTime.Kind); - } - - // Compares two DateTimeOffset values for equality. Returns true if - // the two DateTimeOffset values are equal, or false if they are - // not equal. - // - public static bool Equals(DateTimeOffset first, DateTimeOffset second) { - return DateTime.Equals(first.UtcDateTime, second.UtcDateTime); - } - - // Creates a DateTimeOffset from a Windows filetime. A Windows filetime is - // a long representing the date and time as the number of - // 100-nanosecond intervals that have elapsed since 1/1/1601 12:00am. - // - public static DateTimeOffset FromFileTime(long fileTime) { - return new DateTimeOffset(DateTime.FromFileTime(fileTime)); - } - - - // ----- SECTION: private serialization instance methods ----------------* - -#if FEATURE_SERIALIZATION - void IDeserializationCallback.OnDeserialization(Object sender) { - try { - m_offsetMinutes = ValidateOffset(Offset); - m_dateTime = ValidateDate(ClockDateTime, Offset); - } - catch (ArgumentException e) { - throw new SerializationException(Environment.GetResourceString("Serialization_InvalidData"), e); - } - } - - - [System.Security.SecurityCritical] // auto-generated_required - void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) { - if (info == null) { - throw new ArgumentNullException("info"); - } - - Contract.EndContractBlock(); - - info.AddValue("DateTime", m_dateTime); - info.AddValue("OffsetMinutes", m_offsetMinutes); - } - - - DateTimeOffset(SerializationInfo info, StreamingContext context) { - if (info == null) { - throw new ArgumentNullException("info"); - } - - m_dateTime = (DateTime)info.GetValue("DateTime", typeof(DateTime)); - m_offsetMinutes = (Int16)info.GetValue("OffsetMinutes", typeof(Int16)); - } -#endif - - // Returns the hash code for this DateTimeOffset. - // - public override int GetHashCode() { - return UtcDateTime.GetHashCode(); - } - -/*BDS-*/ /* - // Constructs a DateTimeOffset from a string. The string must specify a - // date and optionally a time in a culture-specific or universal format. - // Leading and trailing whitespace characters are allowed. - // - public static DateTimeOffset Parse(String input) { - TimeSpan offset; - DateTime dateResult = DateTimeParse.Parse(input, - DateTimeFormatInfo.CurrentInfo, - DateTimeStyles.None, - out offset); - return new DateTimeOffset(dateResult.Ticks, offset); - } - - // Constructs a DateTimeOffset from a string. The string must specify a - // date and optionally a time in a culture-specific or universal format. - // Leading and trailing whitespace characters are allowed. - // - public static DateTimeOffset Parse(String input, IFormatProvider formatProvider) { - return Parse(input, formatProvider, DateTimeStyles.None); - } - - public static DateTimeOffset Parse(String input, IFormatProvider formatProvider, DateTimeStyles styles) { - styles = ValidateStyles(styles, "styles"); - TimeSpan offset; - DateTime dateResult = DateTimeParse.Parse(input, - DateTimeFormatInfo.GetInstance(formatProvider), - styles, - out offset); - return new DateTimeOffset(dateResult.Ticks, offset); - } - - // Constructs a DateTimeOffset from a string. The string must specify a - // date and optionally a time in a culture-specific or universal format. - // Leading and trailing whitespace characters are allowed. - // - public static DateTimeOffset ParseExact(String input, String format, IFormatProvider formatProvider) { - return ParseExact(input, format, formatProvider, DateTimeStyles.None); - } - - // Constructs a DateTimeOffset from a string. The string must specify a - // date and optionally a time in a culture-specific or universal format. - // Leading and trailing whitespace characters are allowed. - // - public static DateTimeOffset ParseExact(String input, String format, IFormatProvider formatProvider, DateTimeStyles styles) { - styles = ValidateStyles(styles, "styles"); - TimeSpan offset; - DateTime dateResult = DateTimeParse.ParseExact(input, - format, - DateTimeFormatInfo.GetInstance(formatProvider), - styles, - out offset); - return new DateTimeOffset(dateResult.Ticks, offset); - } - - public static DateTimeOffset ParseExact(String input, String[] formats, IFormatProvider formatProvider, DateTimeStyles styles) { - styles = ValidateStyles(styles, "styles"); - TimeSpan offset; - DateTime dateResult = DateTimeParse.ParseExactMultiple(input, - formats, - DateTimeFormatInfo.GetInstance(formatProvider), - styles, - out offset); - return new DateTimeOffset(dateResult.Ticks, offset); - } -*/ /*BDS-*/ - - public TimeSpan Subtract(DateTimeOffset value) { - return UtcDateTime.Subtract(value.UtcDateTime); - } - - public DateTimeOffset Subtract(TimeSpan value) { - return new DateTimeOffset(ClockDateTime.Subtract(value), Offset); - } - - - public long ToFileTime() { - return UtcDateTime.ToFileTime(); - } - - public DateTimeOffset ToLocalTime() { - return new DateTimeOffset(UtcDateTime.ToLocalTime()); - } - -/*BDS-*/ /* - public override String ToString() { - Contract.Ensures(Contract.Result<String>() != null); - return DateTimeFormat.Format(ClockDateTime, null, DateTimeFormatInfo.CurrentInfo, Offset); - } - - public String ToString(String format) { - Contract.Ensures(Contract.Result<String>() != null); - return DateTimeFormat.Format(ClockDateTime, format, DateTimeFormatInfo.CurrentInfo, Offset); - } - - public String ToString(IFormatProvider formatProvider) { - Contract.Ensures(Contract.Result<String>() != null); - return DateTimeFormat.Format(ClockDateTime, null, DateTimeFormatInfo.GetInstance(formatProvider), Offset); - } - - public String ToString(String format, IFormatProvider formatProvider) { - Contract.Ensures(Contract.Result<String>() != null); - return DateTimeFormat.Format(ClockDateTime, format, DateTimeFormatInfo.GetInstance(formatProvider), Offset); - } -*/ /*BDS-*/ - - public DateTimeOffset ToUniversalTime() { - return new DateTimeOffset(UtcDateTime); - } - -/*BDS-*/ /* - public static Boolean TryParse(String input, out DateTimeOffset result) { - TimeSpan offset; - DateTime dateResult; - Boolean parsed = DateTimeParse.TryParse(input, - DateTimeFormatInfo.CurrentInfo, - DateTimeStyles.None, - out dateResult, - out offset); - result = new DateTimeOffset(dateResult.Ticks, offset); - return parsed; - } - - public static Boolean TryParse(String input, IFormatProvider formatProvider, DateTimeStyles styles, out DateTimeOffset result) { - styles = ValidateStyles(styles, "styles"); - TimeSpan offset; - DateTime dateResult; - Boolean parsed = DateTimeParse.TryParse(input, - DateTimeFormatInfo.GetInstance(formatProvider), - styles, - out dateResult, - out offset); - result = new DateTimeOffset(dateResult.Ticks, offset); - return parsed; - } - - public static Boolean TryParseExact(String input, String format, IFormatProvider formatProvider, DateTimeStyles styles, - out DateTimeOffset result) { - styles = ValidateStyles(styles, "styles"); - TimeSpan offset; - DateTime dateResult; - Boolean parsed = DateTimeParse.TryParseExact(input, - format, - DateTimeFormatInfo.GetInstance(formatProvider), - styles, - out dateResult, - out offset); - result = new DateTimeOffset(dateResult.Ticks, offset); - return parsed; - } - - public static Boolean TryParseExact(String input, String[] formats, IFormatProvider formatProvider, DateTimeStyles styles, - out DateTimeOffset result) { - styles = ValidateStyles(styles, "styles"); - TimeSpan offset; - DateTime dateResult; - Boolean parsed = DateTimeParse.TryParseExactMultiple(input, - formats, - DateTimeFormatInfo.GetInstance(formatProvider), - styles, - out dateResult, - out offset); - result = new DateTimeOffset(dateResult.Ticks, offset); - return parsed; - } -*/ /*BDS-*/ - - // Ensures the TimeSpan is valid to go in a DateTimeOffset. - private static Int16 ValidateOffset(TimeSpan offset) { - Int64 ticks = offset.Ticks; - if (ticks % TimeSpan.TicksPerMinute != 0) { - /*BDS-*/ //throw new ArgumentException(Environment.GetResourceString("Argument_OffsetPrecision"), "offset"); - /*BDS+*/ throw new ArgumentException("OffsetPrecision", "offset"); - } - if (ticks < MinOffset || ticks > MaxOffset) { - /*BDS-*/ //throw new ArgumentOutOfRangeException("offset", Environment.GetResourceString("Argument_OffsetOutOfRange")); - /*BDS+*/ throw new ArgumentOutOfRangeException("offset", "OffsetOutOfRange"); - } - return (Int16)(offset.Ticks / TimeSpan.TicksPerMinute); - } - - // Ensures that the time and offset are in range. - private static DateTime ValidateDate(DateTime dateTime, TimeSpan offset) { - // The key validation is that both the UTC and clock times fit. The clock time is validated - // by the DateTime constructor. - /*BDS-*/ //Contract.Assert(offset.Ticks >= MinOffset && offset.Ticks <= MaxOffset, "Offset not validated."); - // This operation cannot overflow because offset should have already been validated to be within - // 14 hours and the DateTime instance is more than that distance from the boundaries of Int64. - Int64 utcTicks = dateTime.Ticks - offset.Ticks; - /*BDS-*/ //if (utcTicks < DateTime.MinTicks || utcTicks > DateTime.MaxTicks) { - /*BDS+*/ if (utcTicks < DateTime.MinValue.Ticks || utcTicks > DateTime.MaxValue.Ticks) { - /*BDS-*/ //throw new ArgumentOutOfRangeException("offset", Environment.GetResourceString("Argument_UTCOutOfRange")); - /*BDS+*/ throw new ArgumentOutOfRangeException("offset", "UTCOutOfRange"); - } - // make sure the Kind is set to Unspecified - // - return new DateTime(utcTicks, DateTimeKind.Unspecified); - } - - private static DateTimeStyles ValidateStyles(DateTimeStyles style, String parameterName) { -/*BDS-*/ /* - if ((style & DateTimeFormatInfo.InvalidDateTimeStyles) != 0) { - throw new ArgumentException(Environment.GetResourceString("Argument_InvalidDateTimeStyles"), parameterName); - } -*/ /*BDS-*/ - if (((style & (DateTimeStyles.AssumeLocal)) != 0) && ((style & (DateTimeStyles.AssumeUniversal)) != 0)) { - /*BDS-*/ //throw new ArgumentException(Environment.GetResourceString("Argument_ConflictingDateTimeStyles"), parameterName); - /*BDS+*/ throw new ArgumentException("ConflictingDateTimeStyles", parameterName); - } - if ((style & DateTimeStyles.NoCurrentDateDefault) != 0) { - /*BDS-*/ //throw new ArgumentException(Environment.GetResourceString("Argument_DateTimeOffsetInvalidDateTimeStyles"), parameterName); - /*BDS+*/ throw new ArgumentException("DateTimeOffsetInvalidDateTimeStyles", parameterName); - } - - /*BDS-*/ //Contract.EndContractBlock(); - // RoundtripKind does not make sense for DateTimeOffset; ignore this flag for backward compatability with DateTime - style &= ~DateTimeStyles.RoundtripKind; - - // AssumeLocal is also ignored as that is what we do by default with DateTimeOffset.Parse - style &= ~DateTimeStyles.AssumeLocal; - - return style; - } - - // Operators - - public static implicit operator DateTimeOffset (DateTime dateTime) { - return new DateTimeOffset(dateTime); - } - - public static DateTimeOffset operator +(DateTimeOffset dateTimeOffset, TimeSpan timeSpan) { - return new DateTimeOffset(dateTimeOffset.ClockDateTime + timeSpan, dateTimeOffset.Offset); - } - - - public static DateTimeOffset operator -(DateTimeOffset dateTimeOffset, TimeSpan timeSpan) { - return new DateTimeOffset(dateTimeOffset.ClockDateTime - timeSpan, dateTimeOffset.Offset); - } - - public static TimeSpan operator -(DateTimeOffset left, DateTimeOffset right) { - return left.UtcDateTime - right.UtcDateTime; - } - - public static bool operator ==(DateTimeOffset left, DateTimeOffset right) { - return left.UtcDateTime == right.UtcDateTime; - } - - public static bool operator !=(DateTimeOffset left, DateTimeOffset right) { - return left.UtcDateTime != right.UtcDateTime; - } - - public static bool operator <(DateTimeOffset left, DateTimeOffset right) { - return left.UtcDateTime < right.UtcDateTime; - } - - public static bool operator <=(DateTimeOffset left, DateTimeOffset right) { - return left.UtcDateTime <= right.UtcDateTime; - } - - public static bool operator >(DateTimeOffset left, DateTimeOffset right) { - return left.UtcDateTime > right.UtcDateTime; - } - - public static bool operator >=(DateTimeOffset left, DateTimeOffset right) { - return left.UtcDateTime >= right.UtcDateTime; - } - - } -} -#endif
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