Refactor to provide context for hooks

Author: egil

src/Assembly.cs

@@ -0,0 +1,2 @@
+using System.Runtime.CompilerServices;
+[assembly: InternalsVisibleTo("Egil.AngleSharp.DiffingTests")]

src/Comparers/Chainable/ChainableAttributeComparerStrategy.cs

@@ -1,26 +1,17 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using AngleSharp.Dom;
-using Egil.AngleSharp.Diffing.Comparisons;
-using Egil.AngleSharp.Diffing.Comparers.Chainable;
-
-namespace Egil.AngleSharp.Diffing.Comparers
+namespace Egil.AngleSharp.Diffing.Comparers
 {
-    public class DiffIgnoreAttributeCompareStrategy : IChainableNodeCompareStrategy<IElement>
-    {
-        public CompareResult Compare(IComparison<IElement> comparison, CompareResult currentDecision)
-        {
-            if (comparison is null) throw new ArgumentNullException(nameof(comparison));
+    //public class DiffIgnoreAttributeCompareStrategy// : IChainableNodeCompareStrategy<IElement>
+    //{
+    //    public CompareResult Compare(Comparison comparison, CompareResult currentDecision)
+    //    {
+    //        if (comparison is null) throw new ArgumentNullException(nameof(comparison));
 
-            var ignoreAttr = comparison.Control.Node.Attributes["diff:ignore"];
+    //        var ignoreAttr = comparison.Control.Node.Attributes["diff:ignore"];
 
-            if (ignoreAttr is { } && ignoreAttr.IsEmptyOrEquals("TRUE"))
-                return CompareResult.SameAndBreak;
-            else 
-                return currentDecision;
-        }
-    }
+    //        if (ignoreAttr is { } && ignoreAttr.IsEmptyOrEquals("TRUE"))
+    //            return CompareResult.SameAndBreak;
+    //        else 
+    //            return currentDecision;
+    //    }
+    //}
 }