de2bd2f9
 “wangming”
项目初始化
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namespace NCC.TaskScheduler
{
/// <summary>
/// Cron 表达式内置字段
/// </summary>
internal sealed class CronField
{
private static readonly string[] MonthNames =
{
null, "JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"
};
private static readonly string[] DayOfWeekNames =
{
"SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT", "SUN"
};
private static readonly int[] MonthNamesArray = new int[MonthNames.Length];
private static readonly int[] DayOfWeekNamesArray = new int[DayOfWeekNames.Length];
// 0 and 7 are both Sunday, for compatibility reasons.
public static readonly CronField DaysOfWeek = new("Days of week", 0, 7, DayOfWeekNamesArray, false);
public static readonly CronField Months = new("Months", 1, 12, MonthNamesArray, false);
public static readonly CronField DaysOfMonth = new("Days of month", 1, 31, null, false);
public static readonly CronField Hours = new("Hours", 0, 23, null, true);
public static readonly CronField Minutes = new("Minutes", 0, 59, null, true);
public static readonly CronField Seconds = new("Seconds", 0, 59, null, true);
static CronField()
{
for (var i = 1; i < MonthNames.Length; i++)
{
var name = MonthNames[i].ToUpperInvariant();
var array = new char[3];
array[0] = name[0];
array[1] = name[1];
array[2] = name[2];
var combined = name[0] | (name[1] << 8) | (name[2] << 16);
MonthNamesArray[i] = combined;
}
for (var i = 0; i < DayOfWeekNames.Length; i++)
{
var name = DayOfWeekNames[i].ToUpperInvariant();
var array = new char[3];
array[0] = name[0];
array[1] = name[1];
array[2] = name[2];
var combined = name[0] | (name[1] << 8) | (name[2] << 16);
DayOfWeekNamesArray[i] = combined;
}
}
public readonly string Name;
public readonly int First;
public readonly int Last;
public readonly int[] Names;
public readonly bool CanDefineInterval;
public readonly long AllBits;
private CronField(string name, int first, int last, int[] names, bool canDefineInterval)
{
Name = name;
First = first;
Last = last;
Names = names;
CanDefineInterval = canDefineInterval;
for (var i = First; i <= Last; i++)
{
AllBits |= (1L << i);
}
}
public override string ToString()
{
return Name;
}
}
}
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