csharpdeeb25a2 | 1 | #nullable enable |
| 2 | |
| 3 | namespace CascadeIDE.Models.Editor; |
| 4 | |
| 5 | /// <summary>Закрытый 1-based диапазон строк редактора: <see cref="Start"/> ≤ <see cref="End"/> (инклюзивно с обеих сторон).</summary> |
| 6 | public readonly struct LineRange : IEquatable<LineRange> |
| 7 | { |
| 8 | public LineNumber Start { get; } |
| 9 | |
| 10 | public LineNumber End { get; } |
| 11 | |
| 12 | private LineRange(LineNumber start, LineNumber end) |
| 13 | { |
| 14 | Start = start; |
| 15 | End = end; |
| 16 | } |
| 17 | |
| 18 | /// <summary>Отказ, если <paramref name="end"/> < <paramref name="start"/>.</summary> |
| 19 | public static bool TryCreate(LineNumber start, LineNumber end, out LineRange range) |
| 20 | { |
| 21 | if (end.Value < start.Value) |
| 22 | { |
| 23 | range = default; |
| 24 | return false; |
| 25 | } |
| 26 | |
| 27 | range = new LineRange(start, end); |
| 28 | return true; |
| 29 | } |
| 30 | |
| 31 | public bool Equals(LineRange other) => Start.Equals(other.Start) && End.Equals(other.End); |
| 32 | |
| 33 | public override bool Equals(object? obj) => obj is LineRange other && Equals(other); |
| 34 | |
| 35 | public override int GetHashCode() => HashCode.Combine(Start, End); |
| 36 | |
| 37 | public static bool operator ==(LineRange left, LineRange right) => left.Equals(right); |
| 38 | |
| 39 | public static bool operator !=(LineRange left, LineRange right) => !left.Equals(right); |
| 40 | } |
| 41 | |
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