private static int NeighbourDaysFromToken(string t)
{
if (Morph.HasOneOfLemmas(t, Keywords.Tomorrow))
{
return(1);
}
if (Morph.HasOneOfLemmas(t, Keywords.Today))
{
return(0);
}
if (Morph.HasOneOfLemmas(t, Keywords.AfterTomorrow))
{
return(2);
}
if (Morph.HasOneOfLemmas(t, Keywords.Yesterday))
{
return(-1);
}
if (Morph.HasOneOfLemmas(t, Keywords.BeforeYesterday))
{
return(-2);
}
return(int.MinValue);
}
private static Period PeriodFromToken(string t)
{
if (Morph.HasOneOfLemmas(t, Keywords.Year))
{
return(Period.Year);
}
if (Morph.HasOneOfLemmas(t, Keywords.Month))
{
return(Period.Month);
}
if (Morph.HasOneOfLemmas(t, Keywords.Week))
{
return(Period.Week);
}
if (Morph.HasOneOfLemmas(t, Keywords.Day))
{
return(Period.Day);
}
if (Morph.HasOneOfLemmas(t, Keywords.Hour))
{
return(Period.Hour);
}
if (Morph.HasOneOfLemmas(t, Keywords.Minute))
{
return(Period.Minute);
}
return(Period.None);
}
private static DayTime DaytimeFromToken(string t)
{
if (Morph.HasOneOfLemmas(t, Keywords.Noon))
{
return(DayTime.Noon);
}
if (Morph.HasOneOfLemmas(t, Keywords.Morning))
{
return(DayTime.Morning);
}
if (Morph.HasOneOfLemmas(t, Keywords.Evening))
{
return(DayTime.Evening);
}
if (Morph.HasOneOfLemmas(t, Keywords.Night))
{
return(DayTime.Night);
}
if (Morph.HasOneOfLemmas(t, Keywords.DaytimeDay))
{
return(DayTime.Day);
}
return(DayTime.None);
}
internal static int FindIndex(string t, IList <string[]> list)
{
for (var i = 0; i < list.Count; i++)
{
if (Morph.HasOneOfLemmas(t, list[i]))
{
return(i);
}
}
return(-1);
}
private static PartTime PartTimeFromToken(string t)
{
if (Morph.HasOneOfLemmas(t, Keywords.Quarter))
{
return(PartTime.Quarter);
}
if (Morph.HasOneOfLemmas(t, Keywords.Half))
{
return(PartTime.Half);
}
return(PartTime.None);
}
internal static RelativeMode RelativeModeFromToken(string t)
{
if (Morph.HasOneOfLemmas(t, Keywords.Current))
{
return(RelativeMode.Current);
}
if (Morph.HasOneOfLemmas(t, Keywords.Next))
{
return(RelativeMode.Next);
}
if (Morph.HasOneOfLemmas(t, Keywords.Previous))
{
return(RelativeMode.Previous);
}
if (Morph.HasOneOfLemmas(t, Keywords.CurrentNext))
{
return(RelativeMode.CurrentNext);
}
return(RelativeMode.None);
}
internal static string CreatePatternFromToken(string token)
{
var t = token.ToLower().Replace("[^0-9а-яё-]", "").Trim();
if (Morph.HasOneOfLemmas(t, Keywords.Year))
{
return("Y");
}
if (Morph.HasOneOfLemmas(t, Keywords.Months().ToArray()))
{
return("M");
}
if (Morph.HasOneOfLemmas(t, Keywords.DaysOfWeek().ToArray()))
{
return("D");
}
if (Morph.HasOneOfLemmas(t, Keywords.PreviousPostfix))
{
return("b");
}
if (Morph.HasOneOfLemmas(t, Keywords.AfterPostfix))
{
return("l");
}
if (Morph.HasOneOfLemmas(t, Keywords.After))
{
return("i");
}
if (Morph.HasOneOfLemmas(t, Keywords.Holiday))
{
return("W");
}
var p = PeriodFromToken(t);
switch (p)
{
case Period.Minute:
return("e");
case Period.Hour:
return("h");
case Period.Day:
return("d");
case Period.Week:
return("w");
case Period.Month:
return("m");
}
var r = RelativeModeFromToken(t);
switch (r)
{
case RelativeMode.Previous:
return("s");
case RelativeMode.Current:
return("u");
case RelativeMode.CurrentNext:
return("y");
case RelativeMode.Next:
return("x");
}
var n = NeighbourDaysFromToken(t);
if (n > int.MinValue)
{
return((n + 4).ToString());
}
var d = DaytimeFromToken(t);
switch (d)
{
case DayTime.Morning:
return("r");
case DayTime.Noon:
return("n");
case DayTime.Day:
return("a");
case DayTime.Evening:
return("v");
case DayTime.Night:
return("g");
}
var pt = PartTimeFromToken(t);
switch (pt)
{
case PartTime.Quarter:
return("Q");
case PartTime.Half:
return("H");
}
if (int.TryParse(t, out var c))
{
if (c < 0 || c > 9999)
{
return("_");
}
if (c > 1900)
{
return("1");
}
return("0");
}
if (Morph.HasOneOfLemmas(t, Keywords.TimeFrom))
{
return("f");
}
if (Morph.HasOneOfLemmas(t, Keywords.TimeTo))
{
return("t");
}
if (Morph.HasOneOfLemmas(t, Keywords.TimeOn))
{
return("o");
}
if (Morph.HasOneOfLemmas(t, Keywords.DayInMonth))
{
return("#");
}
if (t == "и")
{
return("N");
}
return("_");
}
