/// <summary>
/// Использовать в случае перечислимого индекса
/// </summary>
/// <param name="literals"></param>
/// <returns></returns>
public static ResolvedDiscreteRange FormEnumerationIndexes(List <EnumerationLiteral> literals)
{
foreach (var v in FormedEnumerationRanges)
{
if (v.Key == literals)
{
return(v.Value);
}
}
List <Literal> indexes = new List <Literal>();
indexes.AddRange(literals);
ResolvedDiscreteRange res = new ResolvedDiscreteRange(1, literals.Count, indexes);
FormedEnumerationRanges.Add(literals, res);
return(res);
}
public bool IsContainSubRange(ResolvedDiscreteRange subrange)
{
if (subrange.RangeDirection != RangeDirection)
{
return(false);
}
else
{
if (RangeDirection == RangeDirection.To)
{
return((from <= subrange.from) && (to >= subrange.to));
}
else
{
return((to <= subrange.to) && (from >= subrange.from));
}
}
}
/// <summary>
/// Использовать в случае целочисленных индексов
/// </summary>
/// <param name="From"></param>
/// <param name="To"></param>
/// <returns></returns>
public static ResolvedDiscreteRange FormIntegerIndexes(int From, int To)
{
foreach (var v in FormedIntegerRanges)
{
if ((v.Key[0] == From) && (v.Key[1] == To))
{
return(v.Value);
}
}
List <Literal> indexes = new List <Literal>();
if (From == To)
{
indexes.Add(new DecBasedInteger(From));
}
else
{
if (From < To)
{
for (int i = From; i <= To; i++)
{
indexes.Add(new DecBasedInteger(i));
}
}
else
{
for (int i = From; i >= To; i--)
{
indexes.Add(new DecBasedInteger(i));
}
}
}
ResolvedDiscreteRange res = new ResolvedDiscreteRange(From, To, indexes);
FormedIntegerRanges.Add(new int [] { From, To }, res);
return(res);
}
static ResolvedDiscreteRange()
{
range1 = FormIntegerIndexes(0, 0);
}