Add project files.

2026-07-27 13:13:29 -07:00 · 2022-03-03 08:14:05 -06:00
parent cfa6f93211
commit 1198cc8a66
967 changed files with 118389 additions and 0 deletions
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+// Decompiled with JetBrains decompiler
+// Type: Microsoft.Iris.Data.ListUtility
+// Assembly: UIX, Version=4.8.0.0, Culture=neutral, PublicKeyToken=ddd0da4d3e678217
+// MVID: A56C6C9D-B7F6-46A9-8BDE-B3D9B8D60B11
+// Assembly location: C:\Program Files\Zune\UIX.dll
+
+using System.Collections;
+
+namespace Microsoft.Iris.Data
+{
+    internal static class ListUtility
+    {
+        public static bool IsNullOrEmpty(IList list) => list == null || list.Count <= 0;
+
+        public static bool IsNullOrEmpty(IVector list) => list == null || list.Count <= 0;
+
+        public static bool IsValidIndex(IList list, int idx) => IsValidIndex(idx, list.Count);
+
+        public static bool IsValidIndex(IVector list, int idx) => IsValidIndex(idx, list.Count);
+
+        public static bool IsValidIndex(int idx, int itemsCount)
+        {
+            int num = itemsCount - 1;
+            return idx >= 0 && idx <= num;
+        }
+
+        public static bool AreContentsEqual(IVector a, IVector b)
+        {
+            int num1 = 0;
+            if (a != null)
+                num1 = a.Count;
+            int num2 = 0;
+            if (b != null)
+                num2 = b.Count;
+            if (num1 != num2)
+                return false;
+            for (int index = 0; index < num1; ++index)
+            {
+                if (!IsEqual(a[index], b[index]))
+                    return false;
+            }
+            return true;
+        }
+
+        private static bool IsEqual(object a, object b) => a == null ? b == null : a.Equals(b);
+
+        public static void GetWrappedIndex(
+          int idx,
+          int itemsCount,
+          out int dataIndex,
+          out int generationValue)
+        {
+            if (itemsCount == 0)
+            {
+                dataIndex = 0;
+                generationValue = 0;
+            }
+            else
+            {
+                dataIndex = idx % itemsCount;
+                if (dataIndex < 0)
+                    dataIndex = itemsCount + dataIndex;
+                generationValue = idx / itemsCount;
+                if (idx >= 0 || dataIndex == 0)
+                    return;
+                --generationValue;
+            }
+        }
+
+        public static int GetUnwrappedIndex(int dataIndex, int generationValue, int itemsCount)
+        {
+            int num = dataIndex + generationValue * itemsCount;
+            if (num < 0 && generationValue > 0)
+                num = int.MaxValue;
+            else if (num > 0 && generationValue < 0)
+                num = int.MinValue;
+            return num;
+        }
+    }
+}