Initial commit

Library/PackageCache/com.unity.collab-proxy@e566cd3e7623/Editor/UI/UndoRedo/UndoRedoState.cs

@@ -0,0 +1,43 @@
+using System;
+
+namespace Unity.PlasticSCM.Editor.UI.UndoRedo
+{
+    internal class UndoRedoState : IEquatable<UndoRedoState>
+    {
+        internal string Text { get; private set; }
+
+        internal int CaretPosition { get; private set;}
+
+        internal UndoRedoState(string text, int caretPosition)
+        {
+            Text = text;
+            CaretPosition = caretPosition;
+        }
+
+        bool IEquatable<UndoRedoState>.Equals(UndoRedoState other)
+        {
+            return ReferenceEquals(Text, other.Text) || Equals(Text, other.Text);
+        }
+
+        public override bool Equals(object obj)
+        {
+            if (!(obj is UndoRedoState))
+                return false;
+
+            return ((IEquatable<UndoRedoState>)this).Equals((UndoRedoState)obj);
+        }
+
+        public override int GetHashCode()
+        {
+            if (Text == null)
+                return 0;
+
+            return Text.GetHashCode();
+        }
+
+        public override string ToString()
+        {
+            return string.Format("Text: {0}, CaretPosition: {1}", Text, CaretPosition);
+        }
+    }
+}