LineSpan

1 files changed, 31 insertions, 0 deletions

diff --git a/Crow/src/Text/LineSpan.cs b/Crow/src/Text/LineSpan.cs
new file mode 100644
index 00000000..1dc90de6
--- /dev/null
+++ b/Crow/src/Text/LineSpan.cs
@@ -0,0 +1,31 @@
+// Copyright (c) 2013-2021  Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
+//
+// This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
+using System;
+
+namespace Crow.Text
+{
+	public struct LineSpan : IEquatable<LineSpan>
+	{
+		public readonly CharLocation Start;
+		public readonly CharLocation End;
+		public LineSpan (CharLocation start, CharLocation end) {
+			Start = start;
+			End = end;
+		}
+		public bool IsEmpty => Start == End;
+
+		public bool Equals(LineSpan other)
+			=> Start == other.Start && End == other.End;
+		public override bool Equals(object obj)
+			=> obj is LineSpan ts ? Equals(ts) : false;
+
+		public override int GetHashCode()
+			=> HashCode.Combine(Start, End);
+		public static bool operator ==(LineSpan left, LineSpan right)
+			=> left.Equals (right);
+		public static bool operator !=(LineSpan left, LineSpan right)
+			=> !left.Equals (right);
+		public override string ToString() => $"{Start},{End}";
+	}
+}