1537 lines
53 KiB
C#
1537 lines
53 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2018
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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#region usings
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using System;
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using System.Collections;
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using System.Globalization;
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using System.Runtime.Serialization;
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using System.Text;
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#endregion
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namespace ASC.Notify.Cron
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{
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[Serializable]
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public class CronExpression : ICloneable, IDeserializationCallback
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{
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protected const int Second = 0;
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protected const int Minute = 1;
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protected const int Hour = 2;
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protected const int DayOfMonth = 3;
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protected const int Month = 4;
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protected const int DayOfWeek = 5;
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protected const int Year = 6;
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protected const int AllSpecInt = 99;
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protected const int NoSpecInt = 98;
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protected const int AllSpec = AllSpecInt;
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protected const int NoSpec = NoSpecInt;
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private static readonly Hashtable monthMap = new Hashtable(20);
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private static readonly Hashtable dayMap = new Hashtable(60);
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[NonSerialized] protected bool calendardayOfMonth;
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[NonSerialized] protected bool calendardayOfWeek;
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[NonSerialized] protected TreeSet daysOfMonth;
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[NonSerialized] protected TreeSet daysOfWeek;
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[NonSerialized] protected bool expressionParsed;
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[NonSerialized] protected TreeSet hours;
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[NonSerialized] protected bool lastdayOfMonth;
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[NonSerialized] protected bool lastdayOfWeek;
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[NonSerialized] protected TreeSet minutes;
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[NonSerialized] protected TreeSet months;
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[NonSerialized] protected bool nearestWeekday;
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[NonSerialized] protected int nthdayOfWeek;
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[NonSerialized] protected TreeSet seconds;
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private TimeZoneInfo timeZone;
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[NonSerialized] protected TreeSet years;
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static CronExpression()
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{
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monthMap.Add("JAN", 0);
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monthMap.Add("FEB", 1);
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monthMap.Add("MAR", 2);
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monthMap.Add("APR", 3);
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monthMap.Add("MAY", 4);
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monthMap.Add("JUN", 5);
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monthMap.Add("JUL", 6);
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monthMap.Add("AUG", 7);
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monthMap.Add("SEP", 8);
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monthMap.Add("OCT", 9);
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monthMap.Add("NOV", 10);
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monthMap.Add("DEC", 11);
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dayMap.Add("SUN", 1);
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dayMap.Add("MON", 2);
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dayMap.Add("TUE", 3);
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dayMap.Add("WED", 4);
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dayMap.Add("THU", 5);
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dayMap.Add("FRI", 6);
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dayMap.Add("SAT", 7);
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}
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public CronExpression(string cronExpression)
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{
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if (cronExpression == null)
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{
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throw new ArgumentException("cronExpression cannot be null");
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}
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CronExpressionString = cronExpression.ToUpper(CultureInfo.InvariantCulture);
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BuildExpression(cronExpression);
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}
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public virtual TimeZoneInfo TimeZone
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{
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set { timeZone = value; }
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get
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{
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if (timeZone == null)
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{
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timeZone = TimeZoneInfo.Utc;
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}
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return timeZone;
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}
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}
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public string CronExpressionString { get; }
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public TimeSpan? Period()
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{
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var date = new DateTime(2014, 1, 1);
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DateTime.SpecifyKind(date, DateTimeKind.Utc);
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var after = GetTimeAfter(date);
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if (!after.HasValue) return null;
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return after.Value.Subtract(date);
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}
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#region ICloneable Members
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public object Clone()
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{
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CronExpression copy;
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try
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{
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copy = new CronExpression(CronExpressionString)
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{
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TimeZone = TimeZone
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};
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}
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catch (FormatException)
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{
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throw new Exception("Not Cloneable.");
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}
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return copy;
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}
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#endregion
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#region IDeserializationCallback Members
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public void OnDeserialization(object sender)
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{
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BuildExpression(CronExpressionString);
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}
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#endregion
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public virtual bool IsSatisfiedBy(DateTime dateUtc)
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{
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var test =
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new DateTime(dateUtc.Year, dateUtc.Month, dateUtc.Day, dateUtc.Hour, dateUtc.Minute, dateUtc.Second).
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AddSeconds(-1);
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var timeAfter = GetTimeAfter(test);
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if (timeAfter.HasValue && timeAfter.Value.Equals(dateUtc))
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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public virtual DateTime? GetNextValidTimeAfter(DateTime date)
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{
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return GetTimeAfter(date);
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}
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public virtual DateTime? GetNextInvalidTimeAfter(DateTime date)
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{
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long difference = 1000;
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var lastDate =
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new DateTime(date.Year, date.Month, date.Day, date.Hour, date.Minute, date.Second).AddSeconds(-1);
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while (difference == 1000)
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{
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var newDate = GetTimeAfter(lastDate).Value;
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difference = (long)(newDate - lastDate).TotalMilliseconds;
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if (difference == 1000)
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{
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lastDate = newDate;
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}
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}
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return lastDate.AddSeconds(1);
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}
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public override string ToString()
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{
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return CronExpressionString;
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}
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public static bool IsValidExpression(string cronExpression)
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{
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try
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{
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new CronExpression(cronExpression);
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}
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catch (FormatException)
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{
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return false;
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}
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return true;
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}
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protected void BuildExpression(string expression)
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{
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expressionParsed = true;
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try
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{
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if (seconds == null)
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{
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seconds = new TreeSet();
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}
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if (minutes == null)
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{
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minutes = new TreeSet();
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}
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if (hours == null)
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{
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hours = new TreeSet();
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}
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if (daysOfMonth == null)
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{
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daysOfMonth = new TreeSet();
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}
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if (months == null)
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{
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months = new TreeSet();
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}
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if (daysOfWeek == null)
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{
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daysOfWeek = new TreeSet();
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}
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if (years == null)
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{
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years = new TreeSet();
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}
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var exprOn = Second;
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#if NET_20
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string[] exprsTok = expression.Trim().Split(new char[] { ' ', '\t', '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
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#else
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var exprsTok = expression.Trim().Split(new[] { ' ', '\t', '\r', '\n' });
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#endif
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foreach (var exprTok in exprsTok)
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{
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var expr = exprTok.Trim();
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if (expr.Length == 0)
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{
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continue;
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}
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if (exprOn > Year)
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{
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break;
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}
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if (exprOn == DayOfMonth && expr.IndexOf('L') != -1 && expr.Length > 1 && expr.IndexOf(",") >= 0)
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{
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throw new FormatException(
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"Support for specifying 'L' and 'LW' with other days of the month is not implemented");
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}
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if (exprOn == DayOfWeek && expr.IndexOf('L') != -1 && expr.Length > 1 && expr.IndexOf(",") >= 0)
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{
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throw new FormatException(
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"Support for specifying 'L' with other days of the week is not implemented");
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}
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var vTok = expr.Split(',');
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foreach (var v in vTok)
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{
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StoreExpressionVals(0, v, exprOn);
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}
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exprOn++;
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}
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if (exprOn <= DayOfWeek)
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{
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throw new FormatException("Unexpected end of expression.");
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}
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if (exprOn <= Year)
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{
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StoreExpressionVals(0, "*", Year);
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}
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var dow = GetSet(DayOfWeek);
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var dom = GetSet(DayOfMonth);
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var dayOfMSpec = !dom.Contains(NoSpec);
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var dayOfWSpec = !dow.Contains(NoSpec);
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if (dayOfMSpec && !dayOfWSpec)
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{
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}
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else if (dayOfWSpec && !dayOfMSpec)
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{
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}
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else
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{
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throw new FormatException(
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"Support for specifying both a day-of-week AND a day-of-month parameter is not implemented.");
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}
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}
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catch (FormatException)
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{
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throw;
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}
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catch (Exception e)
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{
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throw new FormatException(string.Format(CultureInfo.InvariantCulture,
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"Illegal cron expression format ({0})", e));
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}
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}
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protected virtual int StoreExpressionVals(int pos, string s, int type)
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{
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var incr = 0;
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var i = SkipWhiteSpace(pos, s);
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if (i >= s.Length)
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{
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return i;
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}
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var c = s[i];
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if ((c >= 'A') && (c <= 'Z') && (!s.Equals("L")) && (!s.Equals("LW")))
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{
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var sub = s.Substring(i, 3);
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int sval;
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var eval = -1;
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if (type == Month)
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{
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sval = GetMonthNumber(sub) + 1;
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if (sval <= 0)
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{
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throw new FormatException(string.Format(CultureInfo.InvariantCulture,
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"Invalid Month value: '{0}'", sub));
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}
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if (s.Length > i + 3)
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{
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c = s[i + 3];
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if (c == '-')
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{
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i += 4;
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sub = s.Substring(i, 3);
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eval = GetMonthNumber(sub) + 1;
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if (eval <= 0)
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{
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throw new FormatException(
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string.Format(CultureInfo.InvariantCulture, "Invalid Month value: '{0}'", sub));
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}
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}
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}
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}
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else if (type == DayOfWeek)
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{
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sval = GetDayOfWeekNumber(sub);
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if (sval < 0)
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{
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throw new FormatException(string.Format(CultureInfo.InvariantCulture,
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"Invalid Day-of-Week value: '{0}'", sub));
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}
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if (s.Length > i + 3)
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{
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c = s[i + 3];
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if (c == '-')
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{
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i += 4;
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sub = s.Substring(i, 3);
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eval = GetDayOfWeekNumber(sub);
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if (eval < 0)
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{
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throw new FormatException(
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string.Format(CultureInfo.InvariantCulture, "Invalid Day-of-Week value: '{0}'", sub));
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}
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}
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else if (c == '#')
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{
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try
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{
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i += 4;
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nthdayOfWeek = Convert.ToInt32(s.Substring(i), CultureInfo.InvariantCulture);
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if (nthdayOfWeek < 1 || nthdayOfWeek > 5)
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{
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throw new Exception();
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}
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}
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catch (Exception)
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{
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throw new FormatException(
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"A numeric value between 1 and 5 must follow the '#' option");
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}
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}
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else if (c == 'L')
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{
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lastdayOfWeek = true;
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i++;
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}
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}
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}
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else
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{
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throw new FormatException(
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string.Format(CultureInfo.InvariantCulture, "Illegal characters for this position: '{0}'", sub));
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}
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if (eval != -1)
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{
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incr = 1;
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}
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AddToSet(sval, eval, incr, type);
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return (i + 3);
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}
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if (c == '?')
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{
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i++;
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if ((i + 1) < s.Length
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&& (s[i] != ' ' && s[i + 1] != '\t'))
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{
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throw new FormatException("Illegal character after '?': "
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+ s[i]);
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}
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if (type != DayOfWeek && type != DayOfMonth)
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{
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throw new FormatException(
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"'?' can only be specified for Day-of-Month or Day-of-Week.");
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}
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if (type == DayOfWeek && !lastdayOfMonth)
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{
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var val = (int)daysOfMonth[^1];
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if (val == NoSpecInt)
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{
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throw new FormatException(
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"'?' can only be specified for Day-of-Month -OR- Day-of-Week.");
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}
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}
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AddToSet(NoSpecInt, -1, 0, type);
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return i;
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}
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if (c == '*' || c == '/')
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{
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if (c == '*' && (i + 1) >= s.Length)
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{
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AddToSet(AllSpecInt, -1, incr, type);
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return i + 1;
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}
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else if (c == '/'
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&& ((i + 1) >= s.Length || s[i + 1] == ' ' || s[i + 1] == '\t'))
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{
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throw new FormatException("'/' must be followed by an integer.");
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}
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else if (c == '*')
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{
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i++;
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}
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c = s[i];
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if (c == '/')
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{
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i++;
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if (i >= s.Length)
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{
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throw new FormatException("Unexpected end of string.");
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}
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incr = GetNumericValue(s, i);
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i++;
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if (incr > 10)
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{
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i++;
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}
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if (incr > 59 && (type == Second || type == Minute))
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{
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throw new FormatException(
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string.Format(CultureInfo.InvariantCulture, "Increment > 60 : {0}", incr));
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}
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else if (incr > 23 && (type == Hour))
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{
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throw new FormatException(
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string.Format(CultureInfo.InvariantCulture, "Increment > 24 : {0}", incr));
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}
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else if (incr > 31 && (type == DayOfMonth))
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{
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throw new FormatException(
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string.Format(CultureInfo.InvariantCulture, "Increment > 31 : {0}", incr));
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}
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else if (incr > 7 && (type == DayOfWeek))
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{
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throw new FormatException(
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string.Format(CultureInfo.InvariantCulture, "Increment > 7 : {0}", incr));
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}
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else if (incr > 12 && (type == Month))
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{
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throw new FormatException(string.Format(CultureInfo.InvariantCulture, "Increment > 12 : {0}",
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incr));
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}
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}
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else
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{
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incr = 1;
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}
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AddToSet(AllSpecInt, -1, incr, type);
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return i;
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}
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else if (c == 'L')
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{
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i++;
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if (type == DayOfMonth)
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{
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lastdayOfMonth = true;
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}
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if (type == DayOfWeek)
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{
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AddToSet(7, 7, 0, type);
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}
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if (type == DayOfMonth && s.Length > i)
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{
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c = s[i];
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if (c == 'W')
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{
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nearestWeekday = true;
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i++;
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}
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}
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return i;
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}
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else if (c >= '0' && c <= '9')
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{
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var val = Convert.ToInt32(c.ToString(), CultureInfo.InvariantCulture);
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i++;
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if (i >= s.Length)
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{
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AddToSet(val, -1, -1, type);
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}
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else
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{
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c = s[i];
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if (c >= '0' && c <= '9')
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{
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var vs = GetValue(val, s, i);
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val = vs.theValue;
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i = vs.pos;
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}
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i = CheckNext(i, s, val, type);
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return i;
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}
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}
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else
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{
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throw new FormatException(string.Format(CultureInfo.InvariantCulture, "Unexpected character: {0}", c));
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}
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return i;
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}
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|
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protected virtual int CheckNext(int pos, string s, int val, int type)
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|
{
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var end = -1;
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var i = pos;
|
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if (i >= s.Length)
|
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{
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AddToSet(val, end, -1, type);
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return i;
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}
|
|
var c = s[pos];
|
|
if (c == 'L')
|
|
{
|
|
if (type == DayOfWeek)
|
|
{
|
|
lastdayOfWeek = true;
|
|
}
|
|
else
|
|
{
|
|
throw new FormatException(string.Format(CultureInfo.InvariantCulture,
|
|
"'L' option is not valid here. (pos={0})", i));
|
|
}
|
|
var data = GetSet(type);
|
|
data.Add(val);
|
|
i++;
|
|
return i;
|
|
}
|
|
if (c == 'W')
|
|
{
|
|
if (type == DayOfMonth)
|
|
{
|
|
nearestWeekday = true;
|
|
}
|
|
else
|
|
{
|
|
throw new FormatException(string.Format(CultureInfo.InvariantCulture,
|
|
"'W' option is not valid here. (pos={0})", i));
|
|
}
|
|
var data = GetSet(type);
|
|
data.Add(val);
|
|
i++;
|
|
return i;
|
|
}
|
|
if (c == '#')
|
|
{
|
|
if (type != DayOfWeek)
|
|
{
|
|
throw new FormatException(
|
|
string.Format(CultureInfo.InvariantCulture, "'#' option is not valid here. (pos={0})", i));
|
|
}
|
|
i++;
|
|
try
|
|
{
|
|
nthdayOfWeek = Convert.ToInt32(s.Substring(i), CultureInfo.InvariantCulture);
|
|
if (nthdayOfWeek < 1 || nthdayOfWeek > 5)
|
|
{
|
|
throw new Exception();
|
|
}
|
|
}
|
|
catch (Exception)
|
|
{
|
|
throw new FormatException(
|
|
"A numeric value between 1 and 5 must follow the '#' option");
|
|
}
|
|
var data = GetSet(type);
|
|
data.Add(val);
|
|
i++;
|
|
return i;
|
|
}
|
|
if (c == 'C')
|
|
{
|
|
if (type == DayOfWeek)
|
|
{
|
|
calendardayOfWeek = true;
|
|
}
|
|
else if (type == DayOfMonth)
|
|
{
|
|
calendardayOfMonth = true;
|
|
}
|
|
else
|
|
{
|
|
throw new FormatException(string.Format(CultureInfo.InvariantCulture,
|
|
"'C' option is not valid here. (pos={0})", i));
|
|
}
|
|
var data = GetSet(type);
|
|
data.Add(val);
|
|
i++;
|
|
return i;
|
|
}
|
|
if (c == '-')
|
|
{
|
|
i++;
|
|
c = s[i];
|
|
var v = Convert.ToInt32(c.ToString(), CultureInfo.InvariantCulture);
|
|
end = v;
|
|
i++;
|
|
if (i >= s.Length)
|
|
{
|
|
AddToSet(val, end, 1, type);
|
|
return i;
|
|
}
|
|
c = s[i];
|
|
if (c >= '0' && c <= '9')
|
|
{
|
|
var vs = GetValue(v, s, i);
|
|
var v1 = vs.theValue;
|
|
end = v1;
|
|
i = vs.pos;
|
|
}
|
|
if (i < s.Length && ((s[i]) == '/'))
|
|
{
|
|
i++;
|
|
c = s[i];
|
|
var v2 = Convert.ToInt32(c.ToString(), CultureInfo.InvariantCulture);
|
|
i++;
|
|
if (i >= s.Length)
|
|
{
|
|
AddToSet(val, end, v2, type);
|
|
return i;
|
|
}
|
|
c = s[i];
|
|
if (c >= '0' && c <= '9')
|
|
{
|
|
var vs = GetValue(v2, s, i);
|
|
var v3 = vs.theValue;
|
|
AddToSet(val, end, v3, type);
|
|
i = vs.pos;
|
|
return i;
|
|
}
|
|
else
|
|
{
|
|
AddToSet(val, end, v2, type);
|
|
return i;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
AddToSet(val, end, 1, type);
|
|
return i;
|
|
}
|
|
}
|
|
if (c == '/')
|
|
{
|
|
i++;
|
|
c = s[i];
|
|
var v2 = Convert.ToInt32(c.ToString(), CultureInfo.InvariantCulture);
|
|
i++;
|
|
if (i >= s.Length)
|
|
{
|
|
AddToSet(val, end, v2, type);
|
|
return i;
|
|
}
|
|
c = s[i];
|
|
if (c >= '0' && c <= '9')
|
|
{
|
|
var vs = GetValue(v2, s, i);
|
|
var v3 = vs.theValue;
|
|
AddToSet(val, end, v3, type);
|
|
i = vs.pos;
|
|
return i;
|
|
}
|
|
else
|
|
{
|
|
throw new FormatException(string.Format(CultureInfo.InvariantCulture,
|
|
"Unexpected character '{0}' after '/'", c));
|
|
}
|
|
}
|
|
AddToSet(val, end, 0, type);
|
|
i++;
|
|
return i;
|
|
}
|
|
|
|
public virtual string GetExpressionSummary()
|
|
{
|
|
var buf = new StringBuilder();
|
|
buf.Append("seconds: ");
|
|
buf.Append(GetExpressionSetSummary(seconds));
|
|
buf.Append("\n");
|
|
buf.Append("minutes: ");
|
|
buf.Append(GetExpressionSetSummary(minutes));
|
|
buf.Append("\n");
|
|
buf.Append("hours: ");
|
|
buf.Append(GetExpressionSetSummary(hours));
|
|
buf.Append("\n");
|
|
buf.Append("daysOfMonth: ");
|
|
buf.Append(GetExpressionSetSummary(daysOfMonth));
|
|
buf.Append("\n");
|
|
buf.Append("months: ");
|
|
buf.Append(GetExpressionSetSummary(months));
|
|
buf.Append("\n");
|
|
buf.Append("daysOfWeek: ");
|
|
buf.Append(GetExpressionSetSummary(daysOfWeek));
|
|
buf.Append("\n");
|
|
buf.Append("lastdayOfWeek: ");
|
|
buf.Append(lastdayOfWeek);
|
|
buf.Append("\n");
|
|
buf.Append("nearestWeekday: ");
|
|
buf.Append(nearestWeekday);
|
|
buf.Append("\n");
|
|
buf.Append("NthDayOfWeek: ");
|
|
buf.Append(nthdayOfWeek);
|
|
buf.Append("\n");
|
|
buf.Append("lastdayOfMonth: ");
|
|
buf.Append(lastdayOfMonth);
|
|
buf.Append("\n");
|
|
buf.Append("calendardayOfWeek: ");
|
|
buf.Append(calendardayOfWeek);
|
|
buf.Append("\n");
|
|
buf.Append("calendardayOfMonth: ");
|
|
buf.Append(calendardayOfMonth);
|
|
buf.Append("\n");
|
|
buf.Append("years: ");
|
|
buf.Append(GetExpressionSetSummary(years));
|
|
buf.Append("\n");
|
|
return buf.ToString();
|
|
}
|
|
|
|
protected virtual string GetExpressionSetSummary(ISet data)
|
|
{
|
|
if (data.Contains(NoSpec))
|
|
{
|
|
return "?";
|
|
}
|
|
if (data.Contains(AllSpec))
|
|
{
|
|
return "*";
|
|
}
|
|
var buf = new StringBuilder();
|
|
var first = true;
|
|
foreach (int iVal in data)
|
|
{
|
|
var val = iVal.ToString(CultureInfo.InvariantCulture);
|
|
if (!first)
|
|
{
|
|
buf.Append(",");
|
|
}
|
|
buf.Append(val);
|
|
first = false;
|
|
}
|
|
return buf.ToString();
|
|
}
|
|
|
|
protected virtual int SkipWhiteSpace(int i, string s)
|
|
{
|
|
for (; i < s.Length && (s[i] == ' ' || s[i] == '\t'); i++)
|
|
{
|
|
;
|
|
}
|
|
return i;
|
|
}
|
|
|
|
protected virtual int FindNextWhiteSpace(int i, string s)
|
|
{
|
|
for (; i < s.Length && (s[i] != ' ' || s[i] != '\t'); i++)
|
|
{
|
|
;
|
|
}
|
|
return i;
|
|
}
|
|
|
|
protected virtual void AddToSet(int val, int end, int incr, int type)
|
|
{
|
|
var data = GetSet(type);
|
|
if (type == Second || type == Minute)
|
|
{
|
|
if ((val < 0 || val > 59 || end > 59) && (val != AllSpecInt))
|
|
{
|
|
throw new FormatException(
|
|
"Minute and Second values must be between 0 and 59");
|
|
}
|
|
}
|
|
else if (type == Hour)
|
|
{
|
|
if ((val < 0 || val > 23 || end > 23) && (val != AllSpecInt))
|
|
{
|
|
throw new FormatException(
|
|
"Hour values must be between 0 and 23");
|
|
}
|
|
}
|
|
else if (type == DayOfMonth)
|
|
{
|
|
if ((val < 1 || val > 31 || end > 31) && (val != AllSpecInt)
|
|
&& (val != NoSpecInt))
|
|
{
|
|
throw new FormatException(
|
|
"Day of month values must be between 1 and 31");
|
|
}
|
|
}
|
|
else if (type == Month)
|
|
{
|
|
if ((val < 1 || val > 12 || end > 12) && (val != AllSpecInt))
|
|
{
|
|
throw new FormatException(
|
|
"Month values must be between 1 and 12");
|
|
}
|
|
}
|
|
else if (type == DayOfWeek)
|
|
{
|
|
if ((val == 0 || val > 7 || end > 7) && (val != AllSpecInt)
|
|
&& (val != NoSpecInt))
|
|
{
|
|
throw new FormatException(
|
|
"Day-of-Week values must be between 1 and 7");
|
|
}
|
|
}
|
|
if ((incr == 0 || incr == -1) && val != AllSpecInt)
|
|
{
|
|
if (val != -1)
|
|
{
|
|
data.Add(val);
|
|
}
|
|
else
|
|
{
|
|
data.Add(NoSpec);
|
|
}
|
|
return;
|
|
}
|
|
var startAt = val;
|
|
var stopAt = end;
|
|
if (val == AllSpecInt && incr <= 0)
|
|
{
|
|
incr = 1;
|
|
data.Add(AllSpec);
|
|
}
|
|
if (type == Second || type == Minute)
|
|
{
|
|
if (stopAt == -1)
|
|
{
|
|
stopAt = 59;
|
|
}
|
|
if (startAt == -1 || startAt == AllSpecInt)
|
|
{
|
|
startAt = 0;
|
|
}
|
|
}
|
|
else if (type == Hour)
|
|
{
|
|
if (stopAt == -1)
|
|
{
|
|
stopAt = 23;
|
|
}
|
|
if (startAt == -1 || startAt == AllSpecInt)
|
|
{
|
|
startAt = 0;
|
|
}
|
|
}
|
|
else if (type == DayOfMonth)
|
|
{
|
|
if (stopAt == -1)
|
|
{
|
|
stopAt = 31;
|
|
}
|
|
if (startAt == -1 || startAt == AllSpecInt)
|
|
{
|
|
startAt = 1;
|
|
}
|
|
}
|
|
else if (type == Month)
|
|
{
|
|
if (stopAt == -1)
|
|
{
|
|
stopAt = 12;
|
|
}
|
|
if (startAt == -1 || startAt == AllSpecInt)
|
|
{
|
|
startAt = 1;
|
|
}
|
|
}
|
|
else if (type == DayOfWeek)
|
|
{
|
|
if (stopAt == -1)
|
|
{
|
|
stopAt = 7;
|
|
}
|
|
if (startAt == -1 || startAt == AllSpecInt)
|
|
{
|
|
startAt = 1;
|
|
}
|
|
}
|
|
else if (type == Year)
|
|
{
|
|
if (stopAt == -1)
|
|
{
|
|
stopAt = 2099;
|
|
}
|
|
if (startAt == -1 || startAt == AllSpecInt)
|
|
{
|
|
startAt = 1970;
|
|
}
|
|
}
|
|
|
|
var max = -1;
|
|
if (stopAt < startAt)
|
|
{
|
|
max = type switch
|
|
{
|
|
Second => 60,
|
|
Minute => 60,
|
|
Hour => 24,
|
|
Month => 12,
|
|
DayOfWeek => 7,
|
|
DayOfMonth => 31,
|
|
Year => throw new ArgumentException("Start year must be less than stop year"),
|
|
_ => throw new ArgumentException("Unexpected type encountered"),
|
|
};
|
|
stopAt += max;
|
|
}
|
|
for (var i = startAt; i <= stopAt; i += incr)
|
|
{
|
|
if (max == -1)
|
|
{
|
|
data.Add(i);
|
|
}
|
|
else
|
|
{
|
|
var i2 = i % max;
|
|
|
|
if (i2 == 0 && (type == Month || type == DayOfWeek || type == DayOfMonth))
|
|
{
|
|
i2 = max;
|
|
}
|
|
data.Add(i2);
|
|
}
|
|
}
|
|
}
|
|
|
|
protected virtual TreeSet GetSet(int type)
|
|
{
|
|
return type switch
|
|
{
|
|
Second => seconds,
|
|
Minute => minutes,
|
|
Hour => hours,
|
|
DayOfMonth => daysOfMonth,
|
|
Month => months,
|
|
DayOfWeek => daysOfWeek,
|
|
Year => years,
|
|
_ => null,
|
|
};
|
|
}
|
|
|
|
protected virtual ValueSet GetValue(int v, string s, int i)
|
|
{
|
|
var c = s[i];
|
|
var s1 = v.ToString(CultureInfo.InvariantCulture);
|
|
while (c >= '0' && c <= '9')
|
|
{
|
|
s1 += c;
|
|
i++;
|
|
if (i >= s.Length)
|
|
{
|
|
break;
|
|
}
|
|
c = s[i];
|
|
}
|
|
var val = new ValueSet();
|
|
if (i < s.Length)
|
|
{
|
|
val.pos = i;
|
|
}
|
|
else
|
|
{
|
|
val.pos = i + 1;
|
|
}
|
|
val.theValue = Convert.ToInt32(s1, CultureInfo.InvariantCulture);
|
|
return val;
|
|
}
|
|
|
|
protected virtual int GetNumericValue(string s, int i)
|
|
{
|
|
var endOfVal = FindNextWhiteSpace(i, s);
|
|
var val = s[i..endOfVal];
|
|
return Convert.ToInt32(val, CultureInfo.InvariantCulture);
|
|
}
|
|
|
|
protected virtual int GetMonthNumber(string s)
|
|
{
|
|
if (monthMap.ContainsKey(s))
|
|
{
|
|
return (int)monthMap[s];
|
|
}
|
|
else
|
|
{
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
protected virtual int GetDayOfWeekNumber(string s)
|
|
{
|
|
if (dayMap.ContainsKey(s))
|
|
{
|
|
return (int)dayMap[s];
|
|
}
|
|
else
|
|
{
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
protected virtual DateTime? GetTime(int sc, int mn, int hr, int dayofmn, int mon)
|
|
{
|
|
try
|
|
{
|
|
if (sc == -1)
|
|
{
|
|
sc = 0;
|
|
}
|
|
if (mn == -1)
|
|
{
|
|
mn = 0;
|
|
}
|
|
if (hr == -1)
|
|
{
|
|
hr = 0;
|
|
}
|
|
if (dayofmn == -1)
|
|
{
|
|
dayofmn = 0;
|
|
}
|
|
if (mon == -1)
|
|
{
|
|
mon = 0;
|
|
}
|
|
return new DateTime(DateTime.UtcNow.Year, mon, dayofmn, hr, mn, sc);
|
|
}
|
|
catch (Exception)
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public virtual DateTime? GetTimeAfter(DateTime afterTimeUtc)
|
|
{
|
|
if (afterTimeUtc == DateTime.MaxValue)
|
|
return null;
|
|
|
|
afterTimeUtc = afterTimeUtc.AddSeconds(1);
|
|
|
|
var d = CreateDateTimeWithoutMillis(afterTimeUtc);
|
|
|
|
d = TimeZoneInfo.ConvertTimeFromUtc(d, TimeZone);
|
|
var gotOne = false;
|
|
|
|
while (!gotOne)
|
|
{
|
|
ISortedSet st;
|
|
int t;
|
|
var sec = d.Second;
|
|
|
|
st = seconds.TailSet(sec);
|
|
if (st != null && st.Count != 0)
|
|
{
|
|
sec = (int)st.First();
|
|
}
|
|
else
|
|
{
|
|
sec = ((int)seconds.First());
|
|
d = d.AddMinutes(1);
|
|
}
|
|
d = new DateTime(d.Year, d.Month, d.Day, d.Hour, d.Minute, sec, d.Millisecond);
|
|
var min = d.Minute;
|
|
var hr = d.Hour;
|
|
t = -1;
|
|
|
|
st = minutes.TailSet(min);
|
|
if (st != null && st.Count != 0)
|
|
{
|
|
t = min;
|
|
min = ((int)st.First());
|
|
}
|
|
else
|
|
{
|
|
min = (int)minutes.First();
|
|
hr++;
|
|
}
|
|
if (min != t)
|
|
{
|
|
d = new DateTime(d.Year, d.Month, d.Day, d.Hour, min, 0, d.Millisecond);
|
|
d = SetCalendarHour(d, hr);
|
|
continue;
|
|
}
|
|
d = new DateTime(d.Year, d.Month, d.Day, d.Hour, min, d.Second, d.Millisecond);
|
|
hr = d.Hour;
|
|
var day = d.Day;
|
|
t = -1;
|
|
|
|
st = hours.TailSet(hr);
|
|
if (st != null && st.Count != 0)
|
|
{
|
|
t = hr;
|
|
hr = (int)st.First();
|
|
}
|
|
else
|
|
{
|
|
hr = (int)hours.First();
|
|
day++;
|
|
}
|
|
if (hr != t)
|
|
{
|
|
var daysInMonth = DateTime.DaysInMonth(d.Year, d.Month);
|
|
if (day > daysInMonth)
|
|
{
|
|
d =
|
|
new DateTime(d.Year, d.Month, daysInMonth, d.Hour, 0, 0, d.Millisecond).AddDays(day -
|
|
daysInMonth);
|
|
}
|
|
else
|
|
{
|
|
d = new DateTime(d.Year, d.Month, day, d.Hour, 0, 0, d.Millisecond);
|
|
}
|
|
d = SetCalendarHour(d, hr);
|
|
continue;
|
|
}
|
|
d = new DateTime(d.Year, d.Month, d.Day, hr, d.Minute, d.Second, d.Millisecond);
|
|
day = d.Day;
|
|
var mon = d.Month;
|
|
t = -1;
|
|
var tmon = mon;
|
|
|
|
var dayOfMSpec = !daysOfMonth.Contains(NoSpec);
|
|
var dayOfWSpec = !daysOfWeek.Contains(NoSpec);
|
|
if (dayOfMSpec && !dayOfWSpec)
|
|
{
|
|
st = daysOfMonth.TailSet(day);
|
|
if (lastdayOfMonth)
|
|
{
|
|
if (!nearestWeekday)
|
|
{
|
|
t = day;
|
|
day = GetLastDayOfMonth(mon, d.Year);
|
|
}
|
|
else
|
|
{
|
|
t = day;
|
|
day = GetLastDayOfMonth(mon, d.Year);
|
|
var tcal = new DateTime(d.Year, mon, day, 0, 0, 0);
|
|
var ldom = GetLastDayOfMonth(mon, d.Year);
|
|
var dow = tcal.DayOfWeek;
|
|
if (dow == System.DayOfWeek.Saturday && day == 1)
|
|
{
|
|
day += 2;
|
|
}
|
|
else if (dow == System.DayOfWeek.Saturday)
|
|
{
|
|
day -= 1;
|
|
}
|
|
else if (dow == System.DayOfWeek.Sunday && day == ldom)
|
|
{
|
|
day -= 2;
|
|
}
|
|
else if (dow == System.DayOfWeek.Sunday)
|
|
{
|
|
day += 1;
|
|
}
|
|
var nTime = new DateTime(tcal.Year, mon, day, hr, min, sec, d.Millisecond);
|
|
if (nTime.ToUniversalTime() < afterTimeUtc)
|
|
{
|
|
day = 1;
|
|
mon++;
|
|
}
|
|
}
|
|
}
|
|
else if (nearestWeekday)
|
|
{
|
|
t = day;
|
|
day = (int)daysOfMonth.First();
|
|
var tcal = new DateTime(d.Year, mon, day, 0, 0, 0);
|
|
var ldom = GetLastDayOfMonth(mon, d.Year);
|
|
var dow = tcal.DayOfWeek;
|
|
if (dow == System.DayOfWeek.Saturday && day == 1)
|
|
{
|
|
day += 2;
|
|
}
|
|
else if (dow == System.DayOfWeek.Saturday)
|
|
{
|
|
day -= 1;
|
|
}
|
|
else if (dow == System.DayOfWeek.Sunday && day == ldom)
|
|
{
|
|
day -= 2;
|
|
}
|
|
else if (dow == System.DayOfWeek.Sunday)
|
|
{
|
|
day += 1;
|
|
}
|
|
tcal = new DateTime(tcal.Year, mon, day, hr, min, sec);
|
|
if (tcal.ToUniversalTime() < afterTimeUtc)
|
|
{
|
|
day = ((int)daysOfMonth.First());
|
|
mon++;
|
|
}
|
|
}
|
|
else if (st != null && st.Count != 0)
|
|
{
|
|
t = day;
|
|
day = (int)st.First();
|
|
|
|
var lastDay = GetLastDayOfMonth(mon, d.Year);
|
|
if (day > lastDay)
|
|
{
|
|
day = (int)daysOfMonth.First();
|
|
mon++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
day = ((int)daysOfMonth.First());
|
|
mon++;
|
|
}
|
|
if (day != t || mon != tmon)
|
|
{
|
|
if (mon > 12)
|
|
{
|
|
d = new DateTime(d.Year, 12, day, 0, 0, 0).AddMonths(mon - 12);
|
|
}
|
|
else
|
|
{
|
|
var lDay = DateTime.DaysInMonth(d.Year, mon);
|
|
if (day <= lDay)
|
|
{
|
|
d = new DateTime(d.Year, mon, day, 0, 0, 0);
|
|
}
|
|
else
|
|
{
|
|
d = new DateTime(d.Year, mon, lDay, 0, 0, 0).AddDays(day - lDay);
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
else if (dayOfWSpec && !dayOfMSpec)
|
|
{
|
|
if (lastdayOfWeek)
|
|
{
|
|
var dow = ((int)daysOfWeek.First());
|
|
|
|
var cDow = ((int)d.DayOfWeek);
|
|
var daysToAdd = 0;
|
|
if (cDow < dow)
|
|
{
|
|
daysToAdd = dow - cDow;
|
|
}
|
|
if (cDow > dow)
|
|
{
|
|
daysToAdd = dow + (7 - cDow);
|
|
}
|
|
var lDay = GetLastDayOfMonth(mon, d.Year);
|
|
if (day + daysToAdd > lDay)
|
|
{
|
|
if (mon == 12)
|
|
{
|
|
if (d.Year == DateTime.MaxValue.Year)
|
|
return null;
|
|
d = new DateTime(d.Year, mon - 11, 1, 0, 0, 0).AddYears(1);
|
|
}
|
|
else
|
|
{
|
|
d = new DateTime(d.Year, mon + 1, 1, 0, 0, 0);
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
while ((day + daysToAdd + 7) <= lDay)
|
|
{
|
|
daysToAdd += 7;
|
|
}
|
|
day += daysToAdd;
|
|
if (daysToAdd > 0)
|
|
{
|
|
d = new DateTime(d.Year, mon, day, 0, 0, 0);
|
|
|
|
continue;
|
|
}
|
|
}
|
|
else if (nthdayOfWeek != 0)
|
|
{
|
|
var dow = ((int)daysOfWeek.First());
|
|
|
|
var cDow = ((int)d.DayOfWeek);
|
|
var daysToAdd = 0;
|
|
if (cDow < dow)
|
|
{
|
|
daysToAdd = dow - cDow;
|
|
}
|
|
else if (cDow > dow)
|
|
{
|
|
daysToAdd = dow + (7 - cDow);
|
|
}
|
|
var dayShifted = false;
|
|
if (daysToAdd > 0)
|
|
{
|
|
dayShifted = true;
|
|
}
|
|
day += daysToAdd;
|
|
var weekOfMonth = day / 7;
|
|
if (day % 7 > 0)
|
|
{
|
|
weekOfMonth++;
|
|
}
|
|
daysToAdd = (nthdayOfWeek - weekOfMonth) * 7;
|
|
day += daysToAdd;
|
|
if (daysToAdd < 0 || day > GetLastDayOfMonth(mon, d.Year))
|
|
{
|
|
if (mon == 12)
|
|
{
|
|
if (d.Year == DateTime.MaxValue.Year)
|
|
return null;
|
|
|
|
d = new DateTime(d.Year, mon - 11, 1, 0, 0, 0).AddYears(1);
|
|
}
|
|
else
|
|
{
|
|
d = new DateTime(d.Year, mon + 1, 1, 0, 0, 0);
|
|
}
|
|
|
|
continue;
|
|
}
|
|
else if (daysToAdd > 0 || dayShifted)
|
|
{
|
|
d = new DateTime(d.Year, mon, day, 0, 0, 0);
|
|
|
|
continue;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
var cDow = ((int)d.DayOfWeek) + 1;
|
|
var dow = ((int)daysOfWeek.First());
|
|
|
|
st = daysOfWeek.TailSet(cDow);
|
|
if (st != null && st.Count > 0)
|
|
{
|
|
dow = ((int)st.First());
|
|
}
|
|
var daysToAdd = 0;
|
|
if (cDow < dow)
|
|
{
|
|
daysToAdd = dow - cDow;
|
|
}
|
|
if (cDow > dow)
|
|
{
|
|
daysToAdd = dow + (7 - cDow);
|
|
}
|
|
var lDay = GetLastDayOfMonth(mon, d.Year);
|
|
if (day + daysToAdd > lDay)
|
|
{
|
|
if (mon == 12)
|
|
{
|
|
if (d.Year == DateTime.MaxValue.Year)
|
|
return null;
|
|
|
|
d = new DateTime(d.Year, mon - 11, 1, 0, 0, 0).AddYears(1);
|
|
}
|
|
else
|
|
{
|
|
d = new DateTime(d.Year, mon + 1, 1, 0, 0, 0);
|
|
}
|
|
|
|
continue;
|
|
}
|
|
else if (daysToAdd > 0)
|
|
{
|
|
d = new DateTime(d.Year, mon, day + daysToAdd, 0, 0, 0);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
throw new Exception(
|
|
"Support for specifying both a day-of-week AND a day-of-month parameter is not implemented.");
|
|
}
|
|
d = new DateTime(d.Year, d.Month, day, d.Hour, d.Minute, d.Second);
|
|
mon = d.Month;
|
|
var year = d.Year;
|
|
t = -1;
|
|
|
|
if (year > 2099)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
st = months.TailSet((mon));
|
|
if (st != null && st.Count != 0)
|
|
{
|
|
t = mon;
|
|
mon = ((int)st.First());
|
|
}
|
|
else
|
|
{
|
|
mon = ((int)months.First());
|
|
year++;
|
|
}
|
|
if (mon != t)
|
|
{
|
|
d = new DateTime(year, mon, 1, 0, 0, 0);
|
|
continue;
|
|
}
|
|
d = new DateTime(d.Year, mon, d.Day, d.Hour, d.Minute, d.Second);
|
|
year = d.Year;
|
|
st = years.TailSet((year));
|
|
if (st != null && st.Count != 0)
|
|
{
|
|
t = year;
|
|
year = ((int)st.First());
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
if (year != t)
|
|
{
|
|
d = new DateTime(year, 1, 1, 0, 0, 0);
|
|
continue;
|
|
}
|
|
d = new DateTime(year, d.Month, d.Day, d.Hour, d.Minute, d.Second);
|
|
gotOne = true;
|
|
}
|
|
return TimeZoneInfo.ConvertTimeToUtc(d, TimeZone);
|
|
}
|
|
|
|
protected static DateTime CreateDateTimeWithoutMillis(DateTime time)
|
|
{
|
|
return new DateTime(time.Year, time.Month, time.Day, time.Hour, time.Minute, time.Second);
|
|
}
|
|
|
|
protected static DateTime SetCalendarHour(DateTime date, int hour)
|
|
{
|
|
var hourToSet = hour;
|
|
if (hourToSet == 24)
|
|
{
|
|
hourToSet = 0;
|
|
}
|
|
var d =
|
|
new DateTime(date.Year, date.Month, date.Day, hourToSet, date.Minute, date.Second, date.Millisecond);
|
|
if (hour == 24)
|
|
{
|
|
d = d.AddDays(1);
|
|
}
|
|
return d;
|
|
}
|
|
|
|
public virtual DateTime? GetTimeBefore(DateTime? endTime)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public virtual DateTime? GetFinalFireTime()
|
|
{
|
|
return null;
|
|
}
|
|
|
|
protected virtual bool IsLeapYear(int year)
|
|
{
|
|
return DateTime.IsLeapYear(year);
|
|
}
|
|
|
|
protected virtual int GetLastDayOfMonth(int monthNum, int year)
|
|
{
|
|
return DateTime.DaysInMonth(year, monthNum);
|
|
}
|
|
}
|
|
|
|
public class ValueSet
|
|
{
|
|
public int pos;
|
|
public int theValue;
|
|
}
|
|
} |