start nfa afterall

src/Nitload.RegularAnalysis/Abstraction/Mix.cs

@@ -0,0 +1,47 @@
+// -----------------------------------------------------------------------------
+// file="Mix"
+// Project: StgSharp
+// Copyright (c) Nitload.
+// SPDX-License-Identifier: MIT
+// -----------------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Nitload.RegularAnalysis.Abstraction
+{
+    public class Mix<TElement, TValue, TEvaluator>(
+                 TEvaluator evaluator
+    ) where TEvaluator : IMixEvaluator<TElement, TValue>
+    {
+
+        public TValue Weight { get; private set; } = default!;
+
+        private TEvaluator Evaluator { get; init; } = evaluator;
+
+        public TValue Evaluate(
+                      Span<Relation<TElement, TValue>> relations
+        )
+        {
+            Weight = Evaluator.Evaluate(relations);
+            return Weight;
+        }
+
+    }
+
+    public sealed class Mix<TElement, TValue>(
+                        IMixEvaluator<TElement, TValue> evaluator
+    ) : Mix<TElement, TValue, IMixEvaluator<TElement, TValue>>(evaluator) { }
+
+    public interface IMixEvaluator<TElement, TValue>
+    {
+
+        TValue Evaluate(
+               Span<Relation<TElement, TValue>> relations
+        );
+
+    }
+}

src/Nitload.RegularAnalysis/Abstraction/Relation.cs

@@ -0,0 +1,47 @@
+// -----------------------------------------------------------------------------
+// file="Relation"
+// Project: StgSharp
+// Copyright (c) Nitload.
+// SPDX-License-Identifier: MIT
+// -----------------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Nitload.RegularAnalysis.Abstraction
+{
+    public class Relation<TElement, TValue, TEvaluator>(
+                 TEvaluator evaluator
+    ) where TEvaluator : IRelationEvaluator<TElement, TValue>
+    {
+
+        public TEvaluator Evaluator { get; init; } = evaluator;
+
+        public TValue Weight { get; private set; } = default!;
+
+        public TValue Evaluate(
+                      ReadOnlySpan<TElement> sequence
+        )
+        {
+            Weight = Evaluate(sequence);
+            return Weight;
+        }
+
+    }
+
+    public class Relation<TElement, TValue>(
+                 IRelationEvaluator<TElement, TValue> evaluator
+    ) : Relation<TElement, TValue, IRelationEvaluator<TElement, TValue>>(evaluator) { }
+
+    public interface IRelationEvaluator<TElement, TValue>
+    {
+
+        TValue Evaluate(
+               ReadOnlySpan<TElement> sequence
+        );
+
+    }
+}

src/Nitload.RegularAnalysis/AttributeRegex/PropertyMatchEngine.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Nitload.RegularAnalysis.AttibuteRegex
+{
+    internal class PropertyMatchEngine
+    {
+    }
+}