/// <summary>Creates instance of <seealso cref="CompositeRange{T}"/>.</summary>
/// <param name="ranges">Contained ranges.</param>
/// <param name="skipsArgHandling">Stub argument to mark unsafe (no validation) constructor overload.</param>
internal CompositeRange([NotNull] IEnumerable <Range <T, TKey> > ranges, UnsafeOverload skipsArgHandling)
{
Code.NotNull(ranges, nameof(ranges));
#pragma warning disable 618 // ok by design.
bool rangesReady = skipsArgHandling == UnsafeOverload.NoEmptyRangesAlreadySortedAndMerged;
var tempRanges = rangesReady || skipsArgHandling == UnsafeOverload.NoEmptyRanges
? ranges.ToArray()
: ranges.Where(r => r.IsNotEmpty).ToArray();
#pragma warning restore 618
if (tempRanges.Length == 0)
{
_ranges = _emptyRanges;
_hasRangesToMerge = false;
_containingRange = _emptyRangeNoKey;
return;
}
if (tempRanges.Length == 1 || rangesReady)
{
_ranges = tempRanges.AsReadOnly();
_hasRangesToMerge = false;
_containingRange = Range.Create(tempRanges[0].From, tempRanges[tempRanges.Length - 1].To);
return;
}
#pragma warning disable 618 // ok by design.
if (skipsArgHandling != UnsafeOverload.RangesAlreadySorted)
#pragma warning restore 618
{
Array.Sort(tempRanges, _rangeComparer);
}
bool hasRangesToMerge = false;
var maxToBoundary = tempRanges[0].To;
for (int i = 1; i < tempRanges.Length; i++)
{
var range = tempRanges[i];
// TODO: check for keyed range.
hasRangesToMerge = hasRangesToMerge || IsContinuationFor(maxToBoundary, range);
maxToBoundary = Range.Max(maxToBoundary, range.To);
}
_ranges = tempRanges.AsReadOnly();
_hasRangesToMerge = hasRangesToMerge;
_containingRange = Range.Create(tempRanges[0].From, maxToBoundary);
}
internal Range(RangeBoundaryFrom <T> from, RangeBoundaryTo <T> to, UnsafeOverload skipsArgValidation)
#if DEBUG
: this(from, to)
{
}
internal RangeBoundaryTo(T value, RangeBoundaryToKind boundaryKind, UnsafeOverload skipsArgValidation)
#if DEBUG
: this(value, boundaryKind)
{
}
