Merge pull request #1353 from EvilBeaver/feature/issue-1327-adjustvalue

Приведение значения составного типа для 2.0

Author: EvilBeaver

src/OneScript.StandardLibrary/TypeDescriptions/TypeComparer.cs

@@ -0,0 +1,66 @@
+/*----------------------------------------------------------
+This Source Code Form is subject to the terms of the
+Mozilla Public License, v.2.0. If a copy of the MPL
+was not distributed with this file, You can obtain one
+at http://mozilla.org/MPL/2.0/.
+----------------------------------------------------------*/
+using System;
+using System.Collections.Generic;
+using OneScript.Types;
+using OneScript.Values;
+
+namespace OneScript.StandardLibrary.TypeDescriptions
+{
+    internal class TypeComparer : IComparer<BslTypeValue>
+    {
+        private const string TYPE_BINARYDATA_NAME = "ДвоичныеДанные";
+        private static readonly IDictionary<TypeDescriptor, int> primitives = new Dictionary<TypeDescriptor, int>();
+
+        public int Compare(BslTypeValue x, BslTypeValue y)
+        {
+            if (x.TypeValue.Equals(y)) return 0;
+
+            var primitiveX = PrimitiveIndex(x);
+            var primitiveY = PrimitiveIndex(y);
+
+            if (primitiveX != -1)
+            {
+                if (primitiveY != -1)
+                    return primitiveX - primitiveY;
+
+                return -1;
+            }
+
+            if (primitiveY != -1)
+                return 1;
+
+            return x.TypeValue.Id.CompareTo(y.TypeValue.Id);
+        }
+
+        private int PrimitiveIndex(BslTypeValue type)
+        {
+            if (StringComparer.CurrentCultureIgnoreCase.Equals(type.TypeValue.Name, TYPE_BINARYDATA_NAME))
+            {
+                // Пора двоичным данным стать примитивом
+                return 1;
+            }
+
+            if (primitives.TryGetValue(type.TypeValue, out var index))
+                return index;
+
+            return -1;
+        }
+
+        static TypeComparer()
+        {
+            primitives.Add(BasicTypes.Boolean, 0);
+            primitives.Add(BasicTypes.String, 2);
+            primitives.Add(BasicTypes.Date, 3);
+            primitives.Add(BasicTypes.Null, 4);
+            primitives.Add(BasicTypes.Number, 5);
+            primitives.Add(BasicTypes.Type, 6);
+        }
+
+    }
+}
+